/* * PowerPC emulation for qemu: main translation routines. * * Copyright (c) 2003-2007 Jocelyn Mayer * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include "cpu.h" #include "exec-all.h" #include "disas.h" #include "tcg-op.h" #include "qemu-common.h" #include "helper.h" #define GEN_HELPER 1 #include "helper.h" #define CPU_SINGLE_STEP 0x1 #define CPU_BRANCH_STEP 0x2 #define GDBSTUB_SINGLE_STEP 0x4 /* Include definitions for instructions classes and implementations flags */ //#define DO_SINGLE_STEP //#define PPC_DEBUG_DISAS //#define DO_PPC_STATISTICS //#define OPTIMIZE_FPRF_UPDATE /*****************************************************************************/ /* Code translation helpers */ /* global register indexes */ static TCGv_ptr cpu_env; static char cpu_reg_names[10*3 + 22*4 /* GPR */ #if !defined(TARGET_PPC64) + 10*4 + 22*5 /* SPE GPRh */ #endif + 10*4 + 22*5 /* FPR */ + 2*(10*6 + 22*7) /* AVRh, AVRl */ + 8*5 /* CRF */]; static TCGv cpu_gpr[32]; #if !defined(TARGET_PPC64) static TCGv cpu_gprh[32]; #endif static TCGv_i64 cpu_fpr[32]; static TCGv_i64 cpu_avrh[32], cpu_avrl[32]; static TCGv_i32 cpu_crf[8]; static TCGv cpu_nip; static TCGv cpu_msr; static TCGv cpu_ctr; static TCGv cpu_lr; static TCGv cpu_xer; static TCGv cpu_reserve; static TCGv_i32 cpu_fpscr; static TCGv_i32 cpu_access_type; #include "gen-icount.h" void ppc_translate_init(void) { int i; char* p; static int done_init = 0; if (done_init) return; cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); p = cpu_reg_names; for (i = 0; i < 8; i++) { sprintf(p, "crf%d", i); cpu_crf[i] = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUState, crf[i]), p); p += 5; } for (i = 0; i < 32; i++) { sprintf(p, "r%d", i); cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, gpr[i]), p); p += (i < 10) ? 3 : 4; #if !defined(TARGET_PPC64) sprintf(p, "r%dH", i); cpu_gprh[i] = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUState, gprh[i]), p); p += (i < 10) ? 4 : 5; #endif sprintf(p, "fp%d", i); cpu_fpr[i] = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, fpr[i]), p); p += (i < 10) ? 4 : 5; sprintf(p, "avr%dH", i); #ifdef WORDS_BIGENDIAN cpu_avrh[i] = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, avr[i].u64[0]), p); #else cpu_avrh[i] = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, avr[i].u64[1]), p); #endif p += (i < 10) ? 6 : 7; sprintf(p, "avr%dL", i); #ifdef WORDS_BIGENDIAN cpu_avrl[i] = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, avr[i].u64[1]), p); #else cpu_avrl[i] = tcg_global_mem_new_i64(TCG_AREG0, offsetof(CPUState, avr[i].u64[0]), p); #endif p += (i < 10) ? 6 : 7; } cpu_nip = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, nip), "nip"); cpu_msr = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, msr), "msr"); cpu_ctr = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, ctr), "ctr"); cpu_lr = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, lr), "lr"); cpu_xer = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, xer), "xer"); cpu_reserve = tcg_global_mem_new(TCG_AREG0, offsetof(CPUState, reserve), "reserve"); cpu_fpscr = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUState, fpscr), "fpscr"); cpu_access_type = tcg_global_mem_new_i32(TCG_AREG0, offsetof(CPUState, access_type), "access_type"); /* register helpers */ #define GEN_HELPER 2 #include "helper.h" done_init = 1; } #if defined(OPTIMIZE_FPRF_UPDATE) static uint16_t *gen_fprf_buf[OPC_BUF_SIZE]; static uint16_t **gen_fprf_ptr; #endif /* internal defines */ typedef struct DisasContext { struct TranslationBlock *tb; target_ulong nip; uint32_t opcode; uint32_t exception; /* Routine used to access memory */ int mem_idx; int access_type; /* Translation flags */ int le_mode; #if defined(TARGET_PPC64) int sf_mode; #endif int fpu_enabled; int altivec_enabled; int spe_enabled; ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */ int singlestep_enabled; } DisasContext; struct opc_handler_t { /* invalid bits */ uint32_t inval; /* instruction type */ uint64_t type; /* handler */ void (*handler)(DisasContext *ctx); #if defined(DO_PPC_STATISTICS) || defined(PPC_DUMP_CPU) const char *oname; #endif #if defined(DO_PPC_STATISTICS) uint64_t count; #endif }; static always_inline void gen_reset_fpstatus (void) { #ifdef CONFIG_SOFTFLOAT gen_helper_reset_fpstatus(); #endif } static always_inline void gen_compute_fprf (TCGv_i64 arg, int set_fprf, int set_rc) { TCGv_i32 t0 = tcg_temp_new_i32(); if (set_fprf != 0) { /* This case might be optimized later */ #if defined(OPTIMIZE_FPRF_UPDATE) *gen_fprf_ptr++ = gen_opc_ptr; #endif tcg_gen_movi_i32(t0, 1); gen_helper_compute_fprf(t0, arg, t0); if (unlikely(set_rc)) { tcg_gen_mov_i32(cpu_crf[1], t0); } gen_helper_float_check_status(); } else if (unlikely(set_rc)) { /* We always need to compute fpcc */ tcg_gen_movi_i32(t0, 0); gen_helper_compute_fprf(t0, arg, t0); tcg_gen_mov_i32(cpu_crf[1], t0); } tcg_temp_free_i32(t0); } static always_inline void gen_optimize_fprf (void) { #if defined(OPTIMIZE_FPRF_UPDATE) uint16_t **ptr; for (ptr = gen_fprf_buf; ptr != (gen_fprf_ptr - 1); ptr++) *ptr = INDEX_op_nop1; gen_fprf_ptr = gen_fprf_buf; #endif } static always_inline void gen_set_access_type (DisasContext *ctx, int access_type) { if (ctx->access_type != access_type) { tcg_gen_movi_i32(cpu_access_type, access_type); ctx->access_type = access_type; } } static always_inline void gen_update_nip (DisasContext *ctx, target_ulong nip) { #if defined(TARGET_PPC64) if (ctx->sf_mode) tcg_gen_movi_tl(cpu_nip, nip); else #endif tcg_gen_movi_tl(cpu_nip, (uint32_t)nip); } static always_inline void gen_exception_err (DisasContext *ctx, uint32_t excp, uint32_t error) { TCGv_i32 t0, t1; if (ctx->exception == POWERPC_EXCP_NONE) { gen_update_nip(ctx, ctx->nip); } t0 = tcg_const_i32(excp); t1 = tcg_const_i32(error); gen_helper_raise_exception_err(t0, t1); tcg_temp_free_i32(t0); tcg_temp_free_i32(t1); ctx->exception = (excp); } static always_inline void gen_exception (DisasContext *ctx, uint32_t excp) { TCGv_i32 t0; if (ctx->exception == POWERPC_EXCP_NONE) { gen_update_nip(ctx, ctx->nip); } t0 = tcg_const_i32(excp); gen_helper_raise_exception(t0); tcg_temp_free_i32(t0); ctx->exception = (excp); } static always_inline void gen_debug_exception (DisasContext *ctx) { TCGv_i32 t0; gen_update_nip(ctx, ctx->nip); t0 = tcg_const_i32(EXCP_DEBUG); gen_helper_raise_exception(t0); tcg_temp_free_i32(t0); } static always_inline void gen_inval_exception (DisasContext *ctx, uint32_t error) { gen_exception_err(ctx, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_INVAL | error); } /* Stop translation */ static always_inline void gen_stop_exception (DisasContext *ctx) { gen_update_nip(ctx, ctx->nip); ctx->exception = POWERPC_EXCP_STOP; } /* No need to update nip here, as execution flow will change */ static always_inline void gen_sync_exception (DisasContext *ctx) { ctx->exception = POWERPC_EXCP_SYNC; } #define GEN_HANDLER(name, opc1, opc2, opc3, inval, type) \ static void gen_##name (DisasContext *ctx); \ GEN_OPCODE(name, opc1, opc2, opc3, inval, type); \ static void gen_##name (DisasContext *ctx) #define GEN_HANDLER2(name, onam, opc1, opc2, opc3, inval, type) \ static void gen_##name (DisasContext *ctx); \ GEN_OPCODE2(name, onam, opc1, opc2, opc3, inval, type); \ static void gen_##name (DisasContext *ctx) typedef struct opcode_t { unsigned char opc1, opc2, opc3; #if HOST_LONG_BITS == 64 /* Explicitly align to 64 bits */ unsigned char pad[5]; #else unsigned char pad[1]; #endif opc_handler_t handler; const char *oname; } opcode_t; /*****************************************************************************/ /*** Instruction decoding ***/ #define EXTRACT_HELPER(name, shift, nb) \ static always_inline uint32_t name (uint32_t opcode) \ { \ return (opcode >> (shift)) & ((1 << (nb)) - 1); \ } #define EXTRACT_SHELPER(name, shift, nb) \ static always_inline int32_t name (uint32_t opcode) \ { \ return (int16_t)((opcode >> (shift)) & ((1 << (nb)) - 1)); \ } /* Opcode part 1 */ EXTRACT_HELPER(opc1, 26, 6); /* Opcode part 2 */ EXTRACT_HELPER(opc2, 1, 5); /* Opcode part 3 */ EXTRACT_HELPER(opc3, 6, 5); /* Update Cr0 flags */ EXTRACT_HELPER(Rc, 0, 1); /* Destination */ EXTRACT_HELPER(rD, 21, 5); /* Source */ EXTRACT_HELPER(rS, 21, 5); /* First operand */ EXTRACT_HELPER(rA, 16, 5); /* Second operand */ EXTRACT_HELPER(rB, 11, 5); /* Third operand */ EXTRACT_HELPER(rC, 6, 5); /*** Get CRn ***/ EXTRACT_HELPER(crfD, 23, 3); EXTRACT_HELPER(crfS, 18, 3); EXTRACT_HELPER(crbD, 21, 5); EXTRACT_HELPER(crbA, 16, 5); EXTRACT_HELPER(crbB, 11, 5); /* SPR / TBL */ EXTRACT_HELPER(_SPR, 11, 10); static always_inline uint32_t SPR (uint32_t opcode) { uint32_t sprn = _SPR(opcode); return ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); } /*** Get constants ***/ EXTRACT_HELPER(IMM, 12, 8); /* 16 bits signed immediate value */ EXTRACT_SHELPER(SIMM, 0, 16); /* 16 bits unsigned immediate value */ EXTRACT_HELPER(UIMM, 0, 16); /* Bit count */ EXTRACT_HELPER(NB, 11, 5); /* Shift count */ EXTRACT_HELPER(SH, 11, 5); /* Mask start */ EXTRACT_HELPER(MB, 6, 5); /* Mask end */ EXTRACT_HELPER(ME, 1, 5); /* Trap operand */ EXTRACT_HELPER(TO, 21, 5); EXTRACT_HELPER(CRM, 12, 8); EXTRACT_HELPER(FM, 17, 8); EXTRACT_HELPER(SR, 16, 4); EXTRACT_HELPER(FPIMM, 12, 4); /*** Jump target decoding ***/ /* Displacement */ EXTRACT_SHELPER(d, 0, 16); /* Immediate address */ static always_inline target_ulong LI (uint32_t opcode) { return (opcode >> 0) & 0x03FFFFFC; } static always_inline uint32_t BD (uint32_t opcode) { return (opcode >> 0) & 0xFFFC; } EXTRACT_HELPER(BO, 21, 5); EXTRACT_HELPER(BI, 16, 5); /* Absolute/relative address */ EXTRACT_HELPER(AA, 1, 1); /* Link */ EXTRACT_HELPER(LK, 0, 1); /* Create a mask between and bits */ static always_inline target_ulong MASK (uint32_t start, uint32_t end) { target_ulong ret; #if defined(TARGET_PPC64) if (likely(start == 0)) { ret = UINT64_MAX << (63 - end); } else if (likely(end == 63)) { ret = UINT64_MAX >> start; } #else if (likely(start == 0)) { ret = UINT32_MAX << (31 - end); } else if (likely(end == 31)) { ret = UINT32_MAX >> start; } #endif else { ret = (((target_ulong)(-1ULL)) >> (start)) ^ (((target_ulong)(-1ULL) >> (end)) >> 1); if (unlikely(start > end)) return ~ret; } return ret; } /*****************************************************************************/ /* PowerPC Instructions types definitions */ enum { PPC_NONE = 0x0000000000000000ULL, /* PowerPC base instructions set */ PPC_INSNS_BASE = 0x0000000000000001ULL, /* integer operations instructions */ #define PPC_INTEGER PPC_INSNS_BASE /* flow control instructions */ #define PPC_FLOW PPC_INSNS_BASE /* virtual memory instructions */ #define PPC_MEM PPC_INSNS_BASE /* ld/st with reservation instructions */ #define PPC_RES PPC_INSNS_BASE /* spr/msr access instructions */ #define PPC_MISC PPC_INSNS_BASE /* Deprecated instruction sets */ /* Original POWER instruction set */ PPC_POWER = 0x0000000000000002ULL, /* POWER2 instruction set extension */ PPC_POWER2 = 0x0000000000000004ULL, /* Power RTC support */ PPC_POWER_RTC = 0x0000000000000008ULL, /* Power-to-PowerPC bridge (601) */ PPC_POWER_BR = 0x0000000000000010ULL, /* 64 bits PowerPC instruction set */ PPC_64B = 0x0000000000000020ULL, /* New 64 bits extensions (PowerPC 2.0x) */ PPC_64BX = 0x0000000000000040ULL, /* 64 bits hypervisor extensions */ PPC_64H = 0x0000000000000080ULL, /* New wait instruction (PowerPC 2.0x) */ PPC_WAIT = 0x0000000000000100ULL, /* Time base mftb instruction */ PPC_MFTB = 0x0000000000000200ULL, /* Fixed-point unit extensions */ /* PowerPC 602 specific */ PPC_602_SPEC = 0x0000000000000400ULL, /* isel instruction */ PPC_ISEL = 0x0000000000000800ULL, /* popcntb instruction */ PPC_POPCNTB = 0x0000000000001000ULL, /* string load / store */ PPC_STRING = 0x0000000000002000ULL, /* Floating-point unit extensions */ /* Optional floating point instructions */ PPC_FLOAT = 0x0000000000010000ULL, /* New floating-point extensions (PowerPC 2.0x) */ PPC_FLOAT_EXT = 0x0000000000020000ULL, PPC_FLOAT_FSQRT = 0x0000000000040000ULL, PPC_FLOAT_FRES = 0x0000000000080000ULL, PPC_FLOAT_FRSQRTE = 0x0000000000100000ULL, PPC_FLOAT_FRSQRTES = 0x0000000000200000ULL, PPC_FLOAT_FSEL = 0x0000000000400000ULL, PPC_FLOAT_STFIWX = 0x0000000000800000ULL, /* Vector/SIMD extensions */ /* Altivec support */ PPC_ALTIVEC = 0x0000000001000000ULL, /* PowerPC 2.03 SPE extension */ PPC_SPE = 0x0000000002000000ULL, /* PowerPC 2.03 SPE floating-point extension */ PPC_SPEFPU = 0x0000000004000000ULL, /* Optional memory control instructions */ PPC_MEM_TLBIA = 0x0000000010000000ULL, PPC_MEM_TLBIE = 0x0000000020000000ULL, PPC_MEM_TLBSYNC = 0x0000000040000000ULL, /* sync instruction */ PPC_MEM_SYNC = 0x0000000080000000ULL, /* eieio instruction */ PPC_MEM_EIEIO = 0x0000000100000000ULL, /* Cache control instructions */ PPC_CACHE = 0x0000000200000000ULL, /* icbi instruction */ PPC_CACHE_ICBI = 0x0000000400000000ULL, /* dcbz instruction with fixed cache line size */ PPC_CACHE_DCBZ = 0x0000000800000000ULL, /* dcbz instruction with tunable cache line size */ PPC_CACHE_DCBZT = 0x0000001000000000ULL, /* dcba instruction */ PPC_CACHE_DCBA = 0x0000002000000000ULL, /* Freescale cache locking instructions */ PPC_CACHE_LOCK = 0x0000004000000000ULL, /* MMU related extensions */ /* external control instructions */ PPC_EXTERN = 0x0000010000000000ULL, /* segment register access instructions */ PPC_SEGMENT = 0x0000020000000000ULL, /* PowerPC 6xx TLB management instructions */ PPC_6xx_TLB = 0x0000040000000000ULL, /* PowerPC 74xx TLB management instructions */ PPC_74xx_TLB = 0x0000080000000000ULL, /* PowerPC 40x TLB management instructions */ PPC_40x_TLB = 0x0000100000000000ULL, /* segment register access instructions for PowerPC 64 "bridge" */ PPC_SEGMENT_64B = 0x0000200000000000ULL, /* SLB management */ PPC_SLBI = 0x0000400000000000ULL, /* Embedded PowerPC dedicated instructions */ PPC_WRTEE = 0x0001000000000000ULL, /* PowerPC 40x exception model */ PPC_40x_EXCP = 0x0002000000000000ULL, /* PowerPC 405 Mac instructions */ PPC_405_MAC = 0x0004000000000000ULL, /* PowerPC 440 specific instructions */ PPC_440_SPEC = 0x0008000000000000ULL, /* BookE (embedded) PowerPC specification */ PPC_BOOKE = 0x0010000000000000ULL, /* mfapidi instruction */ PPC_MFAPIDI = 0x0020000000000000ULL, /* tlbiva instruction */ PPC_TLBIVA = 0x0040000000000000ULL, /* tlbivax instruction */ PPC_TLBIVAX = 0x0080000000000000ULL, /* PowerPC 4xx dedicated instructions */ PPC_4xx_COMMON = 0x0100000000000000ULL, /* PowerPC 40x ibct instructions */ PPC_40x_ICBT = 0x0200000000000000ULL, /* rfmci is not implemented in all BookE PowerPC */ PPC_RFMCI = 0x0400000000000000ULL, /* rfdi instruction */ PPC_RFDI = 0x0800000000000000ULL, /* DCR accesses */ PPC_DCR = 0x1000000000000000ULL, /* DCR extended accesse */ PPC_DCRX = 0x2000000000000000ULL, /* user-mode DCR access, implemented in PowerPC 460 */ PPC_DCRUX = 0x4000000000000000ULL, }; /*****************************************************************************/ /* PowerPC instructions table */ #if HOST_LONG_BITS == 64 #define OPC_ALIGN 8 #else #define OPC_ALIGN 4 #endif #if defined(__APPLE__) #define OPCODES_SECTION \ __attribute__ ((section("__TEXT,__opcodes"), unused, aligned (OPC_ALIGN) )) #else #define OPCODES_SECTION \ __attribute__ ((section(".opcodes"), unused, aligned (OPC_ALIGN) )) #endif #if defined(DO_PPC_STATISTICS) #define GEN_OPCODE(name, op1, op2, op3, invl, _typ) \ OPCODES_SECTION opcode_t opc_##name = { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .pad = { 0, }, \ .handler = { \ .inval = invl, \ .type = _typ, \ .handler = &gen_##name, \ .oname = stringify(name), \ }, \ .oname = stringify(name), \ } #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ) \ OPCODES_SECTION opcode_t opc_##name = { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .pad = { 0, }, \ .handler = { \ .inval = invl, \ .type = _typ, \ .handler = &gen_##name, \ .oname = onam, \ }, \ .oname = onam, \ } #else #define GEN_OPCODE(name, op1, op2, op3, invl, _typ) \ OPCODES_SECTION opcode_t opc_##name = { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .pad = { 0, }, \ .handler = { \ .inval = invl, \ .type = _typ, \ .handler = &gen_##name, \ }, \ .oname = stringify(name), \ } #define GEN_OPCODE2(name, onam, op1, op2, op3, invl, _typ) \ OPCODES_SECTION opcode_t opc_##name = { \ .opc1 = op1, \ .opc2 = op2, \ .opc3 = op3, \ .pad = { 0, }, \ .handler = { \ .inval = invl, \ .type = _typ, \ .handler = &gen_##name, \ }, \ .oname = onam, \ } #endif #define GEN_OPCODE_MARK(name) \ OPCODES_SECTION opcode_t opc_##name = { \ .opc1 = 0xFF, \ .opc2 = 0xFF, \ .opc3 = 0xFF, \ .pad = { 0, }, \ .handler = { \ .inval = 0x00000000, \ .type = 0x00, \ .handler = NULL, \ }, \ .oname = stringify(name), \ } /* SPR load/store helpers */ static always_inline void gen_load_spr(TCGv t, int reg) { tcg_gen_ld_tl(t, cpu_env, offsetof(CPUState, spr[reg])); } static always_inline void gen_store_spr(int reg, TCGv t) { tcg_gen_st_tl(t, cpu_env, offsetof(CPUState, spr[reg])); } /* Start opcode list */ GEN_OPCODE_MARK(start); /* Invalid instruction */ GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); } static opc_handler_t invalid_handler = { .inval = 0xFFFFFFFF, .type = PPC_NONE, .handler = gen_invalid, }; /*** Integer comparison ***/ static always_inline void gen_op_cmp(TCGv arg0, TCGv arg1, int s, int crf) { int l1, l2, l3; tcg_gen_trunc_tl_i32(cpu_crf[crf], cpu_xer); tcg_gen_shri_i32(cpu_crf[crf], cpu_crf[crf], XER_SO); tcg_gen_andi_i32(cpu_crf[crf], cpu_crf[crf], 1); l1 = gen_new_label(); l2 = gen_new_label(); l3 = gen_new_label(); if (s) { tcg_gen_brcond_tl(TCG_COND_LT, arg0, arg1, l1); tcg_gen_brcond_tl(TCG_COND_GT, arg0, arg1, l2); } else { tcg_gen_brcond_tl(TCG_COND_LTU, arg0, arg1, l1); tcg_gen_brcond_tl(TCG_COND_GTU, arg0, arg1, l2); } tcg_gen_ori_i32(cpu_crf[crf], cpu_crf[crf], 1 << CRF_EQ); tcg_gen_br(l3); gen_set_label(l1); tcg_gen_ori_i32(cpu_crf[crf], cpu_crf[crf], 1 << CRF_LT); tcg_gen_br(l3); gen_set_label(l2); tcg_gen_ori_i32(cpu_crf[crf], cpu_crf[crf], 1 << CRF_GT); gen_set_label(l3); } static always_inline void gen_op_cmpi(TCGv arg0, target_ulong arg1, int s, int crf) { TCGv t0 = tcg_const_local_tl(arg1); gen_op_cmp(arg0, t0, s, crf); tcg_temp_free(t0); } #if defined(TARGET_PPC64) static always_inline void gen_op_cmp32(TCGv arg0, TCGv arg1, int s, int crf) { TCGv t0, t1; t0 = tcg_temp_local_new(); t1 = tcg_temp_local_new(); if (s) { tcg_gen_ext32s_tl(t0, arg0); tcg_gen_ext32s_tl(t1, arg1); } else { tcg_gen_ext32u_tl(t0, arg0); tcg_gen_ext32u_tl(t1, arg1); } gen_op_cmp(t0, t1, s, crf); tcg_temp_free(t1); tcg_temp_free(t0); } static always_inline void gen_op_cmpi32(TCGv arg0, target_ulong arg1, int s, int crf) { TCGv t0 = tcg_const_local_tl(arg1); gen_op_cmp32(arg0, t0, s, crf); tcg_temp_free(t0); } #endif static always_inline void gen_set_Rc0 (DisasContext *ctx, TCGv reg) { #if defined(TARGET_PPC64) if (!(ctx->sf_mode)) gen_op_cmpi32(reg, 0, 1, 0); else #endif gen_op_cmpi(reg, 0, 1, 0); } /* cmp */ GEN_HANDLER(cmp, 0x1F, 0x00, 0x00, 0x00400000, PPC_INTEGER) { #if defined(TARGET_PPC64) if (!(ctx->sf_mode && (ctx->opcode & 0x00200000))) gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 1, crfD(ctx->opcode)); else #endif gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 1, crfD(ctx->opcode)); } /* cmpi */ GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER) { #if defined(TARGET_PPC64) if (!(ctx->sf_mode && (ctx->opcode & 0x00200000))) gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode), 1, crfD(ctx->opcode)); else #endif gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode), 1, crfD(ctx->opcode)); } /* cmpl */ GEN_HANDLER(cmpl, 0x1F, 0x00, 0x01, 0x00400000, PPC_INTEGER) { #if defined(TARGET_PPC64) if (!(ctx->sf_mode && (ctx->opcode & 0x00200000))) gen_op_cmp32(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 0, crfD(ctx->opcode)); else #endif gen_op_cmp(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], 0, crfD(ctx->opcode)); } /* cmpli */ GEN_HANDLER(cmpli, 0x0A, 0xFF, 0xFF, 0x00400000, PPC_INTEGER) { #if defined(TARGET_PPC64) if (!(ctx->sf_mode && (ctx->opcode & 0x00200000))) gen_op_cmpi32(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode), 0, crfD(ctx->opcode)); else #endif gen_op_cmpi(cpu_gpr[rA(ctx->opcode)], UIMM(ctx->opcode), 0, crfD(ctx->opcode)); } /* isel (PowerPC 2.03 specification) */ GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL) { int l1, l2; uint32_t bi = rC(ctx->opcode); uint32_t mask; TCGv_i32 t0; l1 = gen_new_label(); l2 = gen_new_label(); mask = 1 << (3 - (bi & 0x03)); t0 = tcg_temp_new_i32(); tcg_gen_andi_i32(t0, cpu_crf[bi >> 2], mask); tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1); if (rA(ctx->opcode) == 0) tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); else tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); gen_set_label(l2); tcg_temp_free_i32(t0); } /*** Integer arithmetic ***/ static always_inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0, TCGv arg1, TCGv arg2, int sub) { int l1; TCGv t0; l1 = gen_new_label(); /* Start with XER OV disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); t0 = tcg_temp_local_new(); tcg_gen_xor_tl(t0, arg0, arg1); #if defined(TARGET_PPC64) if (!ctx->sf_mode) tcg_gen_ext32s_tl(t0, t0); #endif if (sub) tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0, l1); else tcg_gen_brcondi_tl(TCG_COND_GE, t0, 0, l1); tcg_gen_xor_tl(t0, arg1, arg2); #if defined(TARGET_PPC64) if (!ctx->sf_mode) tcg_gen_ext32s_tl(t0, t0); #endif if (sub) tcg_gen_brcondi_tl(TCG_COND_GE, t0, 0, l1); else tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0, l1); tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO)); gen_set_label(l1); tcg_temp_free(t0); } static always_inline void gen_op_arith_compute_ca(DisasContext *ctx, TCGv arg1, TCGv arg2, int sub) { int l1 = gen_new_label(); #if defined(TARGET_PPC64) if (!(ctx->sf_mode)) { TCGv t0, t1; t0 = tcg_temp_new(); t1 = tcg_temp_new(); tcg_gen_ext32u_tl(t0, arg1); tcg_gen_ext32u_tl(t1, arg2); if (sub) { tcg_gen_brcond_tl(TCG_COND_GTU, t0, t1, l1); } else { tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); } tcg_gen_ori_tl(cpu_xer, cpu_xer, 1 << XER_CA); gen_set_label(l1); tcg_temp_free(t0); tcg_temp_free(t1); } else #endif { if (sub) { tcg_gen_brcond_tl(TCG_COND_GTU, arg1, arg2, l1); } else { tcg_gen_brcond_tl(TCG_COND_GEU, arg1, arg2, l1); } tcg_gen_ori_tl(cpu_xer, cpu_xer, 1 << XER_CA); gen_set_label(l1); } } /* Common add function */ static always_inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, int add_ca, int compute_ca, int compute_ov) { TCGv t0, t1; if ((!compute_ca && !compute_ov) || (!TCGV_EQUAL(ret,arg1) && !TCGV_EQUAL(ret, arg2))) { t0 = ret; } else { t0 = tcg_temp_local_new(); } if (add_ca) { t1 = tcg_temp_local_new(); tcg_gen_andi_tl(t1, cpu_xer, (1 << XER_CA)); tcg_gen_shri_tl(t1, t1, XER_CA); } if (compute_ca && compute_ov) { /* Start with XER CA and OV disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~((1 << XER_CA) | (1 << XER_OV))); } else if (compute_ca) { /* Start with XER CA disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA)); } else if (compute_ov) { /* Start with XER OV disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); } tcg_gen_add_tl(t0, arg1, arg2); if (compute_ca) { gen_op_arith_compute_ca(ctx, t0, arg1, 0); } if (add_ca) { tcg_gen_add_tl(t0, t0, t1); gen_op_arith_compute_ca(ctx, t0, t1, 0); tcg_temp_free(t1); } if (compute_ov) { gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 0); } if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, t0); if (!TCGV_EQUAL(t0, ret)) { tcg_gen_mov_tl(ret, t0); tcg_temp_free(t0); } } /* Add functions with two operands */ #define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER) \ { \ gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ add_ca, compute_ca, compute_ov); \ } /* Add functions with one operand and one immediate */ #define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \ add_ca, compute_ca, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER) \ { \ TCGv t0 = tcg_const_local_tl(const_val); \ gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], t0, \ add_ca, compute_ca, compute_ov); \ tcg_temp_free(t0); \ } /* add add. addo addo. */ GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0) GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1) /* addc addc. addco addco. */ GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0) GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1) /* adde adde. addeo addeo. */ GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0) GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1) /* addme addme. addmeo addmeo. */ GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0) GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1) /* addze addze. addzeo addzeo.*/ GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0) GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1) /* addi */ GEN_HANDLER(addi, 0x0E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_long simm = SIMM(ctx->opcode); if (rA(ctx->opcode) == 0) { /* li case */ tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm); } else { tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], simm); } } /* addic addic.*/ static always_inline void gen_op_addic (DisasContext *ctx, TCGv ret, TCGv arg1, int compute_Rc0) { target_long simm = SIMM(ctx->opcode); /* Start with XER CA and OV disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA)); if (likely(simm != 0)) { TCGv t0 = tcg_temp_local_new(); tcg_gen_addi_tl(t0, arg1, simm); gen_op_arith_compute_ca(ctx, t0, arg1, 0); tcg_gen_mov_tl(ret, t0); tcg_temp_free(t0); } else { tcg_gen_mov_tl(ret, arg1); } if (compute_Rc0) { gen_set_Rc0(ctx, ret); } } GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { gen_op_addic(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0); } GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { gen_op_addic(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1); } /* addis */ GEN_HANDLER(addis, 0x0F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_long simm = SIMM(ctx->opcode); if (rA(ctx->opcode) == 0) { /* lis case */ tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], simm << 16); } else { tcg_gen_addi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], simm << 16); } } static always_inline void gen_op_arith_divw (DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, int sign, int compute_ov) { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv_i32 t0 = tcg_temp_local_new_i32(); TCGv_i32 t1 = tcg_temp_local_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_trunc_tl_i32(t1, arg2); tcg_gen_brcondi_i32(TCG_COND_EQ, t1, 0, l1); if (sign) { int l3 = gen_new_label(); tcg_gen_brcondi_i32(TCG_COND_NE, t1, -1, l3); tcg_gen_brcondi_i32(TCG_COND_EQ, t0, INT32_MIN, l1); gen_set_label(l3); tcg_gen_div_i32(t0, t0, t1); } else { tcg_gen_divu_i32(t0, t0, t1); } if (compute_ov) { tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); } tcg_gen_br(l2); gen_set_label(l1); if (sign) { tcg_gen_sari_i32(t0, t0, 31); } else { tcg_gen_movi_i32(t0, 0); } if (compute_ov) { tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO)); } gen_set_label(l2); tcg_gen_extu_i32_tl(ret, t0); tcg_temp_free_i32(t0); tcg_temp_free_i32(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, ret); } /* Div functions */ #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER) \ { \ gen_op_arith_divw(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ sign, compute_ov); \ } /* divwu divwu. divwuo divwuo. */ GEN_INT_ARITH_DIVW(divwu, 0x0E, 0, 0); GEN_INT_ARITH_DIVW(divwuo, 0x1E, 0, 1); /* divw divw. divwo divwo. */ GEN_INT_ARITH_DIVW(divw, 0x0F, 1, 0); GEN_INT_ARITH_DIVW(divwo, 0x1F, 1, 1); #if defined(TARGET_PPC64) static always_inline void gen_op_arith_divd (DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, int sign, int compute_ov) { int l1 = gen_new_label(); int l2 = gen_new_label(); tcg_gen_brcondi_i64(TCG_COND_EQ, arg2, 0, l1); if (sign) { int l3 = gen_new_label(); tcg_gen_brcondi_i64(TCG_COND_NE, arg2, -1, l3); tcg_gen_brcondi_i64(TCG_COND_EQ, arg1, INT64_MIN, l1); gen_set_label(l3); tcg_gen_div_i64(ret, arg1, arg2); } else { tcg_gen_divu_i64(ret, arg1, arg2); } if (compute_ov) { tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); } tcg_gen_br(l2); gen_set_label(l1); if (sign) { tcg_gen_sari_i64(ret, arg1, 63); } else { tcg_gen_movi_i64(ret, 0); } if (compute_ov) { tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO)); } gen_set_label(l2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, ret); } #define GEN_INT_ARITH_DIVD(name, opc3, sign, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) \ { \ gen_op_arith_divd(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ sign, compute_ov); \ } /* divwu divwu. divwuo divwuo. */ GEN_INT_ARITH_DIVD(divdu, 0x0E, 0, 0); GEN_INT_ARITH_DIVD(divduo, 0x1E, 0, 1); /* divw divw. divwo divwo. */ GEN_INT_ARITH_DIVD(divd, 0x0F, 1, 0); GEN_INT_ARITH_DIVD(divdo, 0x1F, 1, 1); #endif /* mulhw mulhw. */ GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER) { TCGv_i64 t0, t1; t0 = tcg_temp_new_i64(); t1 = tcg_temp_new_i64(); #if defined(TARGET_PPC64) tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_mul_i64(t0, t0, t1); tcg_gen_shri_i64(cpu_gpr[rD(ctx->opcode)], t0, 32); #else tcg_gen_ext_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_ext_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_mul_i64(t0, t0, t1); tcg_gen_shri_i64(t0, t0, 32); tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t0); #endif tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* mulhwu mulhwu. */ GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER) { TCGv_i64 t0, t1; t0 = tcg_temp_new_i64(); t1 = tcg_temp_new_i64(); #if defined(TARGET_PPC64) tcg_gen_ext32u_i64(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_ext32u_i64(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_mul_i64(t0, t0, t1); tcg_gen_shri_i64(cpu_gpr[rD(ctx->opcode)], t0, 32); #else tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_mul_i64(t0, t0, t1); tcg_gen_shri_i64(t0, t0, 32); tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t0); #endif tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* mullw mullw. */ GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER) { tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_gen_ext32s_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* mullwo mullwo. */ GEN_HANDLER(mullwo, 0x1F, 0x0B, 0x17, 0x00000000, PPC_INTEGER) { int l1; TCGv_i64 t0, t1; t0 = tcg_temp_new_i64(); t1 = tcg_temp_new_i64(); l1 = gen_new_label(); /* Start with XER OV disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); #if defined(TARGET_PPC64) tcg_gen_ext32s_i64(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_ext32s_i64(t1, cpu_gpr[rB(ctx->opcode)]); #else tcg_gen_ext_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_ext_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]); #endif tcg_gen_mul_i64(t0, t0, t1); #if defined(TARGET_PPC64) tcg_gen_ext32s_i64(cpu_gpr[rD(ctx->opcode)], t0); tcg_gen_brcond_i64(TCG_COND_EQ, t0, cpu_gpr[rD(ctx->opcode)], l1); #else tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t0); tcg_gen_ext32s_i64(t1, t0); tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1); #endif tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO)); gen_set_label(l1); tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* mulli */ GEN_HANDLER(mulli, 0x07, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { tcg_gen_muli_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], SIMM(ctx->opcode)); } #if defined(TARGET_PPC64) #define GEN_INT_ARITH_MUL_HELPER(name, opc3) \ GEN_HANDLER(name, 0x1F, 0x09, opc3, 0x00000000, PPC_64B) \ { \ gen_helper_##name (cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); \ } /* mulhd mulhd. */ GEN_INT_ARITH_MUL_HELPER(mulhdu, 0x00); /* mulhdu mulhdu. */ GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02); /* mulld mulld. */ GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B) { tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* mulldo mulldo. */ GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17); #endif /* neg neg. nego nego. */ static always_inline void gen_op_arith_neg (DisasContext *ctx, TCGv ret, TCGv arg1, int ov_check) { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv t0 = tcg_temp_local_new(); #if defined(TARGET_PPC64) if (ctx->sf_mode) { tcg_gen_mov_tl(t0, arg1); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, INT64_MIN, l1); } else #endif { tcg_gen_ext32s_tl(t0, arg1); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, INT32_MIN, l1); } tcg_gen_neg_tl(ret, arg1); if (ov_check) { tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); } tcg_gen_br(l2); gen_set_label(l1); tcg_gen_mov_tl(ret, t0); if (ov_check) { tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO)); } gen_set_label(l2); tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, ret); } GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER) { gen_op_arith_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0); } GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER) { gen_op_arith_neg(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 1); } /* Common subf function */ static always_inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, int add_ca, int compute_ca, int compute_ov) { TCGv t0, t1; if ((!compute_ca && !compute_ov) || (!TCGV_EQUAL(ret, arg1) && !TCGV_EQUAL(ret, arg2))) { t0 = ret; } else { t0 = tcg_temp_local_new(); } if (add_ca) { t1 = tcg_temp_local_new(); tcg_gen_andi_tl(t1, cpu_xer, (1 << XER_CA)); tcg_gen_shri_tl(t1, t1, XER_CA); } if (compute_ca && compute_ov) { /* Start with XER CA and OV disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~((1 << XER_CA) | (1 << XER_OV))); } else if (compute_ca) { /* Start with XER CA disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA)); } else if (compute_ov) { /* Start with XER OV disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); } if (add_ca) { tcg_gen_not_tl(t0, arg1); tcg_gen_add_tl(t0, t0, arg2); gen_op_arith_compute_ca(ctx, t0, arg2, 0); tcg_gen_add_tl(t0, t0, t1); gen_op_arith_compute_ca(ctx, t0, t1, 0); tcg_temp_free(t1); } else { tcg_gen_sub_tl(t0, arg2, arg1); if (compute_ca) { gen_op_arith_compute_ca(ctx, t0, arg2, 1); } } if (compute_ov) { gen_op_arith_compute_ov(ctx, t0, arg1, arg2, 1); } if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, t0); if (!TCGV_EQUAL(t0, ret)) { tcg_gen_mov_tl(ret, t0); tcg_temp_free(t0); } } /* Sub functions with Two operands functions */ #define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER) \ { \ gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ add_ca, compute_ca, compute_ov); \ } /* Sub functions with one operand and one immediate */ #define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \ add_ca, compute_ca, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER) \ { \ TCGv t0 = tcg_const_local_tl(const_val); \ gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], t0, \ add_ca, compute_ca, compute_ov); \ tcg_temp_free(t0); \ } /* subf subf. subfo subfo. */ GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0) GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1) /* subfc subfc. subfco subfco. */ GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0) GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1) /* subfe subfe. subfeo subfo. */ GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0) GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1) /* subfme subfme. subfmeo subfmeo. */ GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0) GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1) /* subfze subfze. subfzeo subfzeo.*/ GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0) GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1) /* subfic */ GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { /* Start with XER CA and OV disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA)); TCGv t0 = tcg_temp_local_new(); TCGv t1 = tcg_const_local_tl(SIMM(ctx->opcode)); tcg_gen_sub_tl(t0, t1, cpu_gpr[rA(ctx->opcode)]); gen_op_arith_compute_ca(ctx, t0, t1, 1); tcg_temp_free(t1); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); } /*** Integer logical ***/ #define GEN_LOGICAL2(name, tcg_op, opc, type) \ GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type) \ { \ tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], \ cpu_gpr[rB(ctx->opcode)]); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \ } #define GEN_LOGICAL1(name, tcg_op, opc, type) \ GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type) \ { \ tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); \ if (unlikely(Rc(ctx->opcode) != 0)) \ gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \ } /* and & and. */ GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER); /* andc & andc. */ GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER); /* andi. */ GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode)); gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* andis. */ GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode) << 16); gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* cntlzw */ GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER) { gen_helper_cntlzw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* eqv & eqv. */ GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER); /* extsb & extsb. */ GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER); /* extsh & extsh. */ GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER); /* nand & nand. */ GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER); /* nor & nor. */ GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER); /* or & or. */ GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER) { int rs, ra, rb; rs = rS(ctx->opcode); ra = rA(ctx->opcode); rb = rB(ctx->opcode); /* Optimisation for mr. ri case */ if (rs != ra || rs != rb) { if (rs != rb) tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]); else tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[ra]); } else if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, cpu_gpr[rs]); #if defined(TARGET_PPC64) } else { int prio = 0; switch (rs) { case 1: /* Set process priority to low */ prio = 2; break; case 6: /* Set process priority to medium-low */ prio = 3; break; case 2: /* Set process priority to normal */ prio = 4; break; #if !defined(CONFIG_USER_ONLY) case 31: if (ctx->mem_idx > 0) { /* Set process priority to very low */ prio = 1; } break; case 5: if (ctx->mem_idx > 0) { /* Set process priority to medium-hight */ prio = 5; } break; case 3: if (ctx->mem_idx > 0) { /* Set process priority to high */ prio = 6; } break; case 7: if (ctx->mem_idx > 1) { /* Set process priority to very high */ prio = 7; } break; #endif default: /* nop */ break; } if (prio) { TCGv t0 = tcg_temp_new(); gen_load_spr(t0, SPR_PPR); tcg_gen_andi_tl(t0, t0, ~0x001C000000000000ULL); tcg_gen_ori_tl(t0, t0, ((uint64_t)prio) << 50); gen_store_spr(SPR_PPR, t0); tcg_temp_free(t0); } #endif } } /* orc & orc. */ GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER); /* xor & xor. */ GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER) { /* Optimisation for "set to zero" case */ if (rS(ctx->opcode) != rB(ctx->opcode)) tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); else tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* ori */ GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { /* NOP */ /* XXX: should handle special NOPs for POWER series */ return; } tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); } /* oris */ GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { /* NOP */ return; } tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16); } /* xori */ GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { /* NOP */ return; } tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); } /* xoris */ GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { target_ulong uimm = UIMM(ctx->opcode); if (rS(ctx->opcode) == rA(ctx->opcode) && uimm == 0) { /* NOP */ return; } tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16); } /* popcntb : PowerPC 2.03 specification */ GEN_HANDLER(popcntb, 0x1F, 0x03, 0x03, 0x0000F801, PPC_POPCNTB) { #if defined(TARGET_PPC64) if (ctx->sf_mode) gen_helper_popcntb_64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); else #endif gen_helper_popcntb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); } #if defined(TARGET_PPC64) /* extsw & extsw. */ GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B); /* cntlzd */ GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B) { gen_helper_cntlzd(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } #endif /*** Integer rotate ***/ /* rlwimi & rlwimi. */ GEN_HANDLER(rlwimi, 0x14, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { uint32_t mb, me, sh; mb = MB(ctx->opcode); me = ME(ctx->opcode); sh = SH(ctx->opcode); if (likely(sh == 0 && mb == 0 && me == 31)) { tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); } else { target_ulong mask; TCGv t1; TCGv t0 = tcg_temp_new(); #if defined(TARGET_PPC64) TCGv_i32 t2 = tcg_temp_new_i32(); tcg_gen_trunc_i64_i32(t2, cpu_gpr[rS(ctx->opcode)]); tcg_gen_rotli_i32(t2, t2, sh); tcg_gen_extu_i32_i64(t0, t2); tcg_temp_free_i32(t2); #else tcg_gen_rotli_i32(t0, cpu_gpr[rS(ctx->opcode)], sh); #endif #if defined(TARGET_PPC64) mb += 32; me += 32; #endif mask = MASK(mb, me); t1 = tcg_temp_new(); tcg_gen_andi_tl(t0, t0, mask); tcg_gen_andi_tl(t1, cpu_gpr[rA(ctx->opcode)], ~mask); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); } if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* rlwinm & rlwinm. */ GEN_HANDLER(rlwinm, 0x15, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { uint32_t mb, me, sh; sh = SH(ctx->opcode); mb = MB(ctx->opcode); me = ME(ctx->opcode); if (likely(mb == 0 && me == (31 - sh))) { if (likely(sh == 0)) { tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); } else { TCGv t0 = tcg_temp_new(); tcg_gen_ext32u_tl(t0, cpu_gpr[rS(ctx->opcode)]); tcg_gen_shli_tl(t0, t0, sh); tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], t0); tcg_temp_free(t0); } } else if (likely(sh != 0 && me == 31 && sh == (32 - mb))) { TCGv t0 = tcg_temp_new(); tcg_gen_ext32u_tl(t0, cpu_gpr[rS(ctx->opcode)]); tcg_gen_shri_tl(t0, t0, mb); tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], t0); tcg_temp_free(t0); } else { TCGv t0 = tcg_temp_new(); #if defined(TARGET_PPC64) TCGv_i32 t1 = tcg_temp_new_i32(); tcg_gen_trunc_i64_i32(t1, cpu_gpr[rS(ctx->opcode)]); tcg_gen_rotli_i32(t1, t1, sh); tcg_gen_extu_i32_i64(t0, t1); tcg_temp_free_i32(t1); #else tcg_gen_rotli_i32(t0, cpu_gpr[rS(ctx->opcode)], sh); #endif #if defined(TARGET_PPC64) mb += 32; me += 32; #endif tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me)); tcg_temp_free(t0); } if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* rlwnm & rlwnm. */ GEN_HANDLER(rlwnm, 0x17, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { uint32_t mb, me; TCGv t0; #if defined(TARGET_PPC64) TCGv_i32 t1, t2; #endif mb = MB(ctx->opcode); me = ME(ctx->opcode); t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1f); #if defined(TARGET_PPC64) t1 = tcg_temp_new_i32(); t2 = tcg_temp_new_i32(); tcg_gen_trunc_i64_i32(t1, cpu_gpr[rS(ctx->opcode)]); tcg_gen_trunc_i64_i32(t2, t0); tcg_gen_rotl_i32(t1, t1, t2); tcg_gen_extu_i32_i64(t0, t1); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); #else tcg_gen_rotl_i32(t0, cpu_gpr[rS(ctx->opcode)], t0); #endif if (unlikely(mb != 0 || me != 31)) { #if defined(TARGET_PPC64) mb += 32; me += 32; #endif tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me)); } else { tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); } tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } #if defined(TARGET_PPC64) #define GEN_PPC64_R2(name, opc1, opc2) \ GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B) \ { \ gen_##name(ctx, 0); \ } \ GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \ PPC_64B) \ { \ gen_##name(ctx, 1); \ } #define GEN_PPC64_R4(name, opc1, opc2) \ GEN_HANDLER2(name##0, stringify(name), opc1, opc2, 0xFF, 0x00000000, PPC_64B) \ { \ gen_##name(ctx, 0, 0); \ } \ GEN_HANDLER2(name##1, stringify(name), opc1, opc2 | 0x01, 0xFF, 0x00000000, \ PPC_64B) \ { \ gen_##name(ctx, 0, 1); \ } \ GEN_HANDLER2(name##2, stringify(name), opc1, opc2 | 0x10, 0xFF, 0x00000000, \ PPC_64B) \ { \ gen_##name(ctx, 1, 0); \ } \ GEN_HANDLER2(name##3, stringify(name), opc1, opc2 | 0x11, 0xFF, 0x00000000, \ PPC_64B) \ { \ gen_##name(ctx, 1, 1); \ } static always_inline void gen_rldinm (DisasContext *ctx, uint32_t mb, uint32_t me, uint32_t sh) { if (likely(sh != 0 && mb == 0 && me == (63 - sh))) { tcg_gen_shli_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh); } else if (likely(sh != 0 && me == 63 && sh == (64 - mb))) { tcg_gen_shri_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], mb); } else { TCGv t0 = tcg_temp_new(); tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); if (likely(mb == 0 && me == 63)) { tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); } else { tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me)); } tcg_temp_free(t0); } if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* rldicl - rldicl. */ static always_inline void gen_rldicl (DisasContext *ctx, int mbn, int shn) { uint32_t sh, mb; sh = SH(ctx->opcode) | (shn << 5); mb = MB(ctx->opcode) | (mbn << 5); gen_rldinm(ctx, mb, 63, sh); } GEN_PPC64_R4(rldicl, 0x1E, 0x00); /* rldicr - rldicr. */ static always_inline void gen_rldicr (DisasContext *ctx, int men, int shn) { uint32_t sh, me; sh = SH(ctx->opcode) | (shn << 5); me = MB(ctx->opcode) | (men << 5); gen_rldinm(ctx, 0, me, sh); } GEN_PPC64_R4(rldicr, 0x1E, 0x02); /* rldic - rldic. */ static always_inline void gen_rldic (DisasContext *ctx, int mbn, int shn) { uint32_t sh, mb; sh = SH(ctx->opcode) | (shn << 5); mb = MB(ctx->opcode) | (mbn << 5); gen_rldinm(ctx, mb, 63 - sh, sh); } GEN_PPC64_R4(rldic, 0x1E, 0x04); static always_inline void gen_rldnm (DisasContext *ctx, uint32_t mb, uint32_t me) { TCGv t0; mb = MB(ctx->opcode); me = ME(ctx->opcode); t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); if (unlikely(mb != 0 || me != 63)) { tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me)); } else { tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); } tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* rldcl - rldcl. */ static always_inline void gen_rldcl (DisasContext *ctx, int mbn) { uint32_t mb; mb = MB(ctx->opcode) | (mbn << 5); gen_rldnm(ctx, mb, 63); } GEN_PPC64_R2(rldcl, 0x1E, 0x08); /* rldcr - rldcr. */ static always_inline void gen_rldcr (DisasContext *ctx, int men) { uint32_t me; me = MB(ctx->opcode) | (men << 5); gen_rldnm(ctx, 0, me); } GEN_PPC64_R2(rldcr, 0x1E, 0x09); /* rldimi - rldimi. */ static always_inline void gen_rldimi (DisasContext *ctx, int mbn, int shn) { uint32_t sh, mb, me; sh = SH(ctx->opcode) | (shn << 5); mb = MB(ctx->opcode) | (mbn << 5); me = 63 - sh; if (unlikely(sh == 0 && mb == 0)) { tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); } else { TCGv t0, t1; target_ulong mask; t0 = tcg_temp_new(); tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); t1 = tcg_temp_new(); mask = MASK(mb, me); tcg_gen_andi_tl(t0, t0, mask); tcg_gen_andi_tl(t1, cpu_gpr[rA(ctx->opcode)], ~mask); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); } if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } GEN_PPC64_R4(rldimi, 0x1E, 0x06); #endif /*** Integer shift ***/ /* slw & slw. */ GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER) { TCGv t0; int l1, l2; l1 = gen_new_label(); l2 = gen_new_label(); t0 = tcg_temp_local_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x20, l1); tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0); tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l2); tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sraw & sraw. */ GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER) { gen_helper_sraw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srawi & srawi. */ GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER) { int sh = SH(ctx->opcode); if (sh != 0) { int l1, l2; TCGv t0; l1 = gen_new_label(); l2 = gen_new_label(); t0 = tcg_temp_local_new(); tcg_gen_ext32s_tl(t0, cpu_gpr[rS(ctx->opcode)]); tcg_gen_brcondi_tl(TCG_COND_GE, t0, 0, l1); tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1ULL << sh) - 1); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); tcg_gen_ori_tl(cpu_xer, cpu_xer, 1 << XER_CA); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA)); gen_set_label(l2); tcg_gen_ext32s_tl(t0, cpu_gpr[rS(ctx->opcode)]); tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], t0, sh); tcg_temp_free(t0); } else { tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA)); } if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srw & srw. */ GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER) { TCGv t0, t1; int l1, l2; l1 = gen_new_label(); l2 = gen_new_label(); t0 = tcg_temp_local_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x3f); tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x20, l1); tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); tcg_gen_br(l2); gen_set_label(l1); t1 = tcg_temp_new(); tcg_gen_ext32u_tl(t1, cpu_gpr[rS(ctx->opcode)]); tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], t1, t0); tcg_temp_free(t1); gen_set_label(l2); tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } #if defined(TARGET_PPC64) /* sld & sld. */ GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B) { TCGv t0; int l1, l2; l1 = gen_new_label(); l2 = gen_new_label(); t0 = tcg_temp_local_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f); tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x40, l1); tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0); gen_set_label(l2); tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srad & srad. */ GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B) { gen_helper_srad(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sradi & sradi. */ static always_inline void gen_sradi (DisasContext *ctx, int n) { int sh = SH(ctx->opcode) + (n << 5); if (sh != 0) { int l1, l2; TCGv t0; l1 = gen_new_label(); l2 = gen_new_label(); t0 = tcg_temp_local_new(); tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1); tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1ULL << sh) - 1); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); tcg_gen_ori_tl(cpu_xer, cpu_xer, 1 << XER_CA); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA)); gen_set_label(l2); tcg_temp_free(t0); tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh); } else { tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA)); } if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B) { gen_sradi(ctx, 0); } GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B) { gen_sradi(ctx, 1); } /* srd & srd. */ GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B) { TCGv t0; int l1, l2; l1 = gen_new_label(); l2 = gen_new_label(); t0 = tcg_temp_local_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x7f); tcg_gen_brcondi_tl(TCG_COND_LT, t0, 0x40, l1); tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t0); gen_set_label(l2); tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } #endif /*** Floating-Point arithmetic ***/ #define _GEN_FLOAT_ACB(name, op, op1, op2, isfloat, set_fprf, type) \ GEN_HANDLER(f##name, op1, op2, 0xFF, 0x00000000, type) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ gen_reset_fpstatus(); \ gen_helper_f##op(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rA(ctx->opcode)], \ cpu_fpr[rC(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); \ if (isfloat) { \ gen_helper_frsp(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rD(ctx->opcode)]); \ } \ gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], set_fprf, \ Rc(ctx->opcode) != 0); \ } #define GEN_FLOAT_ACB(name, op2, set_fprf, type) \ _GEN_FLOAT_ACB(name, name, 0x3F, op2, 0, set_fprf, type); \ _GEN_FLOAT_ACB(name##s, name, 0x3B, op2, 1, set_fprf, type); #define _GEN_FLOAT_AB(name, op, op1, op2, inval, isfloat, set_fprf, type) \ GEN_HANDLER(f##name, op1, op2, 0xFF, inval, type) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ gen_reset_fpstatus(); \ gen_helper_f##op(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rA(ctx->opcode)], \ cpu_fpr[rB(ctx->opcode)]); \ if (isfloat) { \ gen_helper_frsp(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rD(ctx->opcode)]); \ } \ gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], \ set_fprf, Rc(ctx->opcode) != 0); \ } #define GEN_FLOAT_AB(name, op2, inval, set_fprf, type) \ _GEN_FLOAT_AB(name, name, 0x3F, op2, inval, 0, set_fprf, type); \ _GEN_FLOAT_AB(name##s, name, 0x3B, op2, inval, 1, set_fprf, type); #define _GEN_FLOAT_AC(name, op, op1, op2, inval, isfloat, set_fprf, type) \ GEN_HANDLER(f##name, op1, op2, 0xFF, inval, type) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ gen_reset_fpstatus(); \ gen_helper_f##op(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rA(ctx->opcode)], \ cpu_fpr[rC(ctx->opcode)]); \ if (isfloat) { \ gen_helper_frsp(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rD(ctx->opcode)]); \ } \ gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], \ set_fprf, Rc(ctx->opcode) != 0); \ } #define GEN_FLOAT_AC(name, op2, inval, set_fprf, type) \ _GEN_FLOAT_AC(name, name, 0x3F, op2, inval, 0, set_fprf, type); \ _GEN_FLOAT_AC(name##s, name, 0x3B, op2, inval, 1, set_fprf, type); #define GEN_FLOAT_B(name, op2, op3, set_fprf, type) \ GEN_HANDLER(f##name, 0x3F, op2, op3, 0x001F0000, type) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ gen_reset_fpstatus(); \ gen_helper_f##name(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); \ gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], \ set_fprf, Rc(ctx->opcode) != 0); \ } #define GEN_FLOAT_BS(name, op1, op2, set_fprf, type) \ GEN_HANDLER(f##name, op1, op2, 0xFF, 0x001F07C0, type) \ { \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ gen_reset_fpstatus(); \ gen_helper_f##name(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); \ gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], \ set_fprf, Rc(ctx->opcode) != 0); \ } /* fadd - fadds */ GEN_FLOAT_AB(add, 0x15, 0x000007C0, 1, PPC_FLOAT); /* fdiv - fdivs */ GEN_FLOAT_AB(div, 0x12, 0x000007C0, 1, PPC_FLOAT); /* fmul - fmuls */ GEN_FLOAT_AC(mul, 0x19, 0x0000F800, 1, PPC_FLOAT); /* fre */ GEN_FLOAT_BS(re, 0x3F, 0x18, 1, PPC_FLOAT_EXT); /* fres */ GEN_FLOAT_BS(res, 0x3B, 0x18, 1, PPC_FLOAT_FRES); /* frsqrte */ GEN_FLOAT_BS(rsqrte, 0x3F, 0x1A, 1, PPC_FLOAT_FRSQRTE); /* frsqrtes */ GEN_HANDLER(frsqrtes, 0x3B, 0x1A, 0xFF, 0x001F07C0, PPC_FLOAT_FRSQRTES) { if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } gen_reset_fpstatus(); gen_helper_frsqrte(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); gen_helper_frsp(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rD(ctx->opcode)]); gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 1, Rc(ctx->opcode) != 0); } /* fsel */ _GEN_FLOAT_ACB(sel, sel, 0x3F, 0x17, 0, 0, PPC_FLOAT_FSEL); /* fsub - fsubs */ GEN_FLOAT_AB(sub, 0x14, 0x000007C0, 1, PPC_FLOAT); /* Optional: */ /* fsqrt */ GEN_HANDLER(fsqrt, 0x3F, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_FSQRT) { if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } gen_reset_fpstatus(); gen_helper_fsqrt(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 1, Rc(ctx->opcode) != 0); } GEN_HANDLER(fsqrts, 0x3B, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_FSQRT) { if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } gen_reset_fpstatus(); gen_helper_fsqrt(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); gen_helper_frsp(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rD(ctx->opcode)]); gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 1, Rc(ctx->opcode) != 0); } /*** Floating-Point multiply-and-add ***/ /* fmadd - fmadds */ GEN_FLOAT_ACB(madd, 0x1D, 1, PPC_FLOAT); /* fmsub - fmsubs */ GEN_FLOAT_ACB(msub, 0x1C, 1, PPC_FLOAT); /* fnmadd - fnmadds */ GEN_FLOAT_ACB(nmadd, 0x1F, 1, PPC_FLOAT); /* fnmsub - fnmsubs */ GEN_FLOAT_ACB(nmsub, 0x1E, 1, PPC_FLOAT); /*** Floating-Point round & convert ***/ /* fctiw */ GEN_FLOAT_B(ctiw, 0x0E, 0x00, 0, PPC_FLOAT); /* fctiwz */ GEN_FLOAT_B(ctiwz, 0x0F, 0x00, 0, PPC_FLOAT); /* frsp */ GEN_FLOAT_B(rsp, 0x0C, 0x00, 1, PPC_FLOAT); #if defined(TARGET_PPC64) /* fcfid */ GEN_FLOAT_B(cfid, 0x0E, 0x1A, 1, PPC_64B); /* fctid */ GEN_FLOAT_B(ctid, 0x0E, 0x19, 0, PPC_64B); /* fctidz */ GEN_FLOAT_B(ctidz, 0x0F, 0x19, 0, PPC_64B); #endif /* frin */ GEN_FLOAT_B(rin, 0x08, 0x0C, 1, PPC_FLOAT_EXT); /* friz */ GEN_FLOAT_B(riz, 0x08, 0x0D, 1, PPC_FLOAT_EXT); /* frip */ GEN_FLOAT_B(rip, 0x08, 0x0E, 1, PPC_FLOAT_EXT); /* frim */ GEN_FLOAT_B(rim, 0x08, 0x0F, 1, PPC_FLOAT_EXT); /*** Floating-Point compare ***/ /* fcmpo */ GEN_HANDLER(fcmpo, 0x3F, 0x00, 0x01, 0x00600001, PPC_FLOAT) { if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } gen_reset_fpstatus(); gen_helper_fcmpo(cpu_crf[crfD(ctx->opcode)], cpu_fpr[rA(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); gen_helper_float_check_status(); } /* fcmpu */ GEN_HANDLER(fcmpu, 0x3F, 0x00, 0x00, 0x00600001, PPC_FLOAT) { if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } gen_reset_fpstatus(); gen_helper_fcmpu(cpu_crf[crfD(ctx->opcode)], cpu_fpr[rA(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); gen_helper_float_check_status(); } /*** Floating-point move ***/ /* fabs */ /* XXX: beware that fabs never checks for NaNs nor update FPSCR */ GEN_FLOAT_B(abs, 0x08, 0x08, 0, PPC_FLOAT); /* fmr - fmr. */ /* XXX: beware that fmr never checks for NaNs nor update FPSCR */ GEN_HANDLER(fmr, 0x3F, 0x08, 0x02, 0x001F0000, PPC_FLOAT) { if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } tcg_gen_mov_i64(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 0, Rc(ctx->opcode) != 0); } /* fnabs */ /* XXX: beware that fnabs never checks for NaNs nor update FPSCR */ GEN_FLOAT_B(nabs, 0x08, 0x04, 0, PPC_FLOAT); /* fneg */ /* XXX: beware that fneg never checks for NaNs nor update FPSCR */ GEN_FLOAT_B(neg, 0x08, 0x01, 0, PPC_FLOAT); /*** Floating-Point status & ctrl register ***/ /* mcrfs */ GEN_HANDLER(mcrfs, 0x3F, 0x00, 0x02, 0x0063F801, PPC_FLOAT) { int bfa; if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } gen_optimize_fprf(); bfa = 4 * (7 - crfS(ctx->opcode)); tcg_gen_shri_i32(cpu_crf[crfD(ctx->opcode)], cpu_fpscr, bfa); tcg_gen_andi_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], 0xf); tcg_gen_andi_i32(cpu_fpscr, cpu_fpscr, ~(0xF << bfa)); } /* mffs */ GEN_HANDLER(mffs, 0x3F, 0x07, 0x12, 0x001FF800, PPC_FLOAT) { if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } gen_optimize_fprf(); gen_reset_fpstatus(); tcg_gen_extu_i32_i64(cpu_fpr[rD(ctx->opcode)], cpu_fpscr); gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 0, Rc(ctx->opcode) != 0); } /* mtfsb0 */ GEN_HANDLER(mtfsb0, 0x3F, 0x06, 0x02, 0x001FF800, PPC_FLOAT) { uint8_t crb; if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } crb = 32 - (crbD(ctx->opcode) >> 2); gen_optimize_fprf(); gen_reset_fpstatus(); if (likely(crb != 30 && crb != 29)) tcg_gen_andi_i32(cpu_fpscr, cpu_fpscr, ~(1 << crb)); if (unlikely(Rc(ctx->opcode) != 0)) { tcg_gen_shri_i32(cpu_crf[1], cpu_fpscr, FPSCR_OX); } } /* mtfsb1 */ GEN_HANDLER(mtfsb1, 0x3F, 0x06, 0x01, 0x001FF800, PPC_FLOAT) { uint8_t crb; if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } crb = 32 - (crbD(ctx->opcode) >> 2); gen_optimize_fprf(); gen_reset_fpstatus(); /* XXX: we pretend we can only do IEEE floating-point computations */ if (likely(crb != FPSCR_FEX && crb != FPSCR_VX && crb != FPSCR_NI)) { TCGv_i32 t0 = tcg_const_i32(crb); gen_helper_fpscr_setbit(t0); tcg_temp_free_i32(t0); } if (unlikely(Rc(ctx->opcode) != 0)) { tcg_gen_shri_i32(cpu_crf[1], cpu_fpscr, FPSCR_OX); } /* We can raise a differed exception */ gen_helper_float_check_status(); } /* mtfsf */ GEN_HANDLER(mtfsf, 0x3F, 0x07, 0x16, 0x02010000, PPC_FLOAT) { TCGv_i32 t0; if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } gen_optimize_fprf(); gen_reset_fpstatus(); t0 = tcg_const_i32(FM(ctx->opcode)); gen_helper_store_fpscr(cpu_fpr[rB(ctx->opcode)], t0); tcg_temp_free_i32(t0); if (unlikely(Rc(ctx->opcode) != 0)) { tcg_gen_shri_i32(cpu_crf[1], cpu_fpscr, FPSCR_OX); } /* We can raise a differed exception */ gen_helper_float_check_status(); } /* mtfsfi */ GEN_HANDLER(mtfsfi, 0x3F, 0x06, 0x04, 0x006f0800, PPC_FLOAT) { int bf, sh; TCGv_i64 t0; TCGv_i32 t1; if (unlikely(!ctx->fpu_enabled)) { gen_exception(ctx, POWERPC_EXCP_FPU); return; } bf = crbD(ctx->opcode) >> 2; sh = 7 - bf; gen_optimize_fprf(); gen_reset_fpstatus(); t0 = tcg_const_i64(FPIMM(ctx->opcode) << (4 * sh)); t1 = tcg_const_i32(1 << sh); gen_helper_store_fpscr(t0, t1); tcg_temp_free_i64(t0); tcg_temp_free_i32(t1); if (unlikely(Rc(ctx->opcode) != 0)) { tcg_gen_shri_i32(cpu_crf[1], cpu_fpscr, FPSCR_OX); } /* We can raise a differed exception */ gen_helper_float_check_status(); } /*** Addressing modes ***/ /* Register indirect with immediate index : EA = (rA|0) + SIMM */ static always_inline void gen_addr_imm_index (DisasContext *ctx, TCGv EA, target_long maskl) { target_long simm = SIMM(ctx->opcode); simm &= ~maskl; if (rA(ctx->opcode) == 0) { #if defined(TARGET_PPC64) if (!ctx->sf_mode) { tcg_gen_movi_tl(EA, (uint32_t)simm); } else #endif tcg_gen_movi_tl(EA, simm); } else if (likely(simm != 0)) { tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], simm); #if defined(TARGET_PPC64) if (!ctx->sf_mode) { tcg_gen_ext32u_tl(EA, EA); } #endif } else { #if defined(TARGET_PPC64) if (!ctx->sf_mode) { tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]); } else #endif tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]); } } static always_inline void gen_addr_reg_index (DisasContext *ctx, TCGv EA) { if (rA(ctx->opcode) == 0) { #if defined(TARGET_PPC64) if (!ctx->sf_mode) { tcg_gen_ext32u_tl(EA, cpu_gpr[rB(ctx->opcode)]); } else #endif tcg_gen_mov_tl(EA, cpu_gpr[rB(ctx->opcode)]); } else { tcg_gen_add_tl(EA, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); #if defined(TARGET_PPC64) if (!ctx->sf_mode) { tcg_gen_ext32u_tl(EA, EA); } #endif } } static always_inline void gen_addr_register (DisasContext *ctx, TCGv EA) { if (rA(ctx->opcode) == 0) { tcg_gen_movi_tl(EA, 0); } else { #if defined(TARGET_PPC64) if (!ctx->sf_mode) { tcg_gen_ext32u_tl(EA, cpu_gpr[rA(ctx->opcode)]); } else #endif tcg_gen_mov_tl(EA, cpu_gpr[rA(ctx->opcode)]); } } static always_inline void gen_addr_add (DisasContext *ctx, TCGv ret, TCGv arg1, target_long val) { tcg_gen_addi_tl(ret, arg1, val); #if defined(TARGET_PPC64) if (!ctx->sf_mode) { tcg_gen_ext32u_tl(ret, ret); } #endif } static always_inline void gen_check_align (DisasContext *ctx, TCGv EA, int mask) { int l1 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv_i32 t1, t2; /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); tcg_gen_andi_tl(t0, EA, mask); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); t1 = tcg_const_i32(POWERPC_EXCP_ALIGN); t2 = tcg_const_i32(0); gen_helper_raise_exception_err(t1, t2); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); gen_set_label(l1); tcg_temp_free(t0); } /*** Integer load ***/ static always_inline void gen_qemu_ld8u(DisasContext *ctx, TCGv arg1, TCGv arg2) { tcg_gen_qemu_ld8u(arg1, arg2, ctx->mem_idx); } static always_inline void gen_qemu_ld8s(DisasContext *ctx, TCGv arg1, TCGv arg2) { tcg_gen_qemu_ld8s(arg1, arg2, ctx->mem_idx); } static always_inline void gen_qemu_ld16u(DisasContext *ctx, TCGv arg1, TCGv arg2) { tcg_gen_qemu_ld16u(arg1, arg2, ctx->mem_idx); if (unlikely(ctx->le_mode)) { #if defined(TARGET_PPC64) TCGv_i32 t0 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_bswap16_i32(t0, t0); tcg_gen_extu_i32_tl(arg1, t0); tcg_temp_free_i32(t0); #else tcg_gen_bswap16_i32(arg1, arg1); #endif } } static always_inline void gen_qemu_ld16s(DisasContext *ctx, TCGv arg1, TCGv arg2) { if (unlikely(ctx->le_mode)) { #if defined(TARGET_PPC64) TCGv_i32 t0; tcg_gen_qemu_ld16u(arg1, arg2, ctx->mem_idx); t0 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_bswap16_i32(t0, t0); tcg_gen_extu_i32_tl(arg1, t0); tcg_gen_ext16s_tl(arg1, arg1); tcg_temp_free_i32(t0); #else tcg_gen_qemu_ld16u(arg1, arg2, ctx->mem_idx); tcg_gen_bswap16_i32(arg1, arg1); tcg_gen_ext16s_i32(arg1, arg1); #endif } else { tcg_gen_qemu_ld16s(arg1, arg2, ctx->mem_idx); } } static always_inline void gen_qemu_ld32u(DisasContext *ctx, TCGv arg1, TCGv arg2) { tcg_gen_qemu_ld32u(arg1, arg2, ctx->mem_idx); if (unlikely(ctx->le_mode)) { #if defined(TARGET_PPC64) TCGv_i32 t0 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_bswap_i32(t0, t0); tcg_gen_extu_i32_tl(arg1, t0); tcg_temp_free_i32(t0); #else tcg_gen_bswap_i32(arg1, arg1); #endif } } #if defined(TARGET_PPC64) static always_inline void gen_qemu_ld32s(DisasContext *ctx, TCGv arg1, TCGv arg2) { if (unlikely(ctx->mem_idx)) { TCGv_i32 t0; tcg_gen_qemu_ld32u(arg1, arg2, ctx->mem_idx); t0 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_bswap_i32(t0, t0); tcg_gen_ext_i32_tl(arg1, t0); tcg_temp_free_i32(t0); } else tcg_gen_qemu_ld32s(arg1, arg2, ctx->mem_idx); } #endif static always_inline void gen_qemu_ld64(DisasContext *ctx, TCGv_i64 arg1, TCGv arg2) { tcg_gen_qemu_ld64(arg1, arg2, ctx->mem_idx); if (unlikely(ctx->le_mode)) { tcg_gen_bswap_i64(arg1, arg1); } } static always_inline void gen_qemu_st8(DisasContext *ctx, TCGv arg1, TCGv arg2) { tcg_gen_qemu_st8(arg1, arg2, ctx->mem_idx); } static always_inline void gen_qemu_st16(DisasContext *ctx, TCGv arg1, TCGv arg2) { if (unlikely(ctx->le_mode)) { #if defined(TARGET_PPC64) TCGv_i32 t0; TCGv t1; t0 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_ext16u_i32(t0, t0); tcg_gen_bswap16_i32(t0, t0); t1 = tcg_temp_new(); tcg_gen_extu_i32_tl(t1, t0); tcg_temp_free_i32(t0); tcg_gen_qemu_st16(t1, arg2, ctx->mem_idx); tcg_temp_free(t1); #else TCGv t0 = tcg_temp_new(); tcg_gen_ext16u_tl(t0, arg1); tcg_gen_bswap16_i32(t0, t0); tcg_gen_qemu_st16(t0, arg2, ctx->mem_idx); tcg_temp_free(t0); #endif } else { tcg_gen_qemu_st16(arg1, arg2, ctx->mem_idx); } } static always_inline void gen_qemu_st32(DisasContext *ctx, TCGv arg1, TCGv arg2) { if (unlikely(ctx->le_mode)) { #if defined(TARGET_PPC64) TCGv_i32 t0; TCGv t1; t0 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_bswap_i32(t0, t0); t1 = tcg_temp_new(); tcg_gen_extu_i32_tl(t1, t0); tcg_temp_free_i32(t0); tcg_gen_qemu_st32(t1, arg2, ctx->mem_idx); tcg_temp_free(t1); #else TCGv t0 = tcg_temp_new_i32(); tcg_gen_bswap_i32(t0, arg1); tcg_gen_qemu_st32(t0, arg2, ctx->mem_idx); tcg_temp_free(t0); #endif } else { tcg_gen_qemu_st32(arg1, arg2, ctx->mem_idx); } } static always_inline void gen_qemu_st64(DisasContext *ctx, TCGv_i64 arg1, TCGv arg2) { if (unlikely(ctx->le_mode)) { TCGv_i64 t0 = tcg_temp_new_i64(); tcg_gen_bswap_i64(t0, arg1); tcg_gen_qemu_st64(t0, arg2, ctx->mem_idx); tcg_temp_free_i64(t0); } else tcg_gen_qemu_st64(arg1, arg2, ctx->mem_idx); } #define GEN_LD(name, ldop, opc, type) \ GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type) \ { \ TCGv EA; \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_imm_index(ctx, EA, 0); \ gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_LDU(name, ldop, opc, type) \ GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type) \ { \ TCGv EA; \ if (unlikely(rA(ctx->opcode) == 0 || \ rA(ctx->opcode) == rD(ctx->opcode))) { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ if (type == PPC_64B) \ gen_addr_imm_index(ctx, EA, 0x03); \ else \ gen_addr_imm_index(ctx, EA, 0); \ gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_LDUX(name, ldop, opc2, opc3, type) \ GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type) \ { \ TCGv EA; \ if (unlikely(rA(ctx->opcode) == 0 || \ rA(ctx->opcode) == rD(ctx->opcode))) { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_LDX(name, ldop, opc2, opc3, type) \ GEN_HANDLER(name##x, 0x1F, opc2, opc3, 0x00000001, type) \ { \ TCGv EA; \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ gen_qemu_##ldop(ctx, cpu_gpr[rD(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_LDS(name, ldop, op, type) \ GEN_LD(name, ldop, op | 0x20, type); \ GEN_LDU(name, ldop, op | 0x21, type); \ GEN_LDUX(name, ldop, 0x17, op | 0x01, type); \ GEN_LDX(name, ldop, 0x17, op | 0x00, type) /* lbz lbzu lbzux lbzx */ GEN_LDS(lbz, ld8u, 0x02, PPC_INTEGER); /* lha lhau lhaux lhax */ GEN_LDS(lha, ld16s, 0x0A, PPC_INTEGER); /* lhz lhzu lhzux lhzx */ GEN_LDS(lhz, ld16u, 0x08, PPC_INTEGER); /* lwz lwzu lwzux lwzx */ GEN_LDS(lwz, ld32u, 0x00, PPC_INTEGER); #if defined(TARGET_PPC64) /* lwaux */ GEN_LDUX(lwa, ld32s, 0x15, 0x0B, PPC_64B); /* lwax */ GEN_LDX(lwa, ld32s, 0x15, 0x0A, PPC_64B); /* ldux */ GEN_LDUX(ld, ld64, 0x15, 0x01, PPC_64B); /* ldx */ GEN_LDX(ld, ld64, 0x15, 0x00, PPC_64B); GEN_HANDLER(ld, 0x3A, 0xFF, 0xFF, 0x00000000, PPC_64B) { TCGv EA; if (Rc(ctx->opcode)) { if (unlikely(rA(ctx->opcode) == 0 || rA(ctx->opcode) == rD(ctx->opcode))) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } } gen_set_access_type(ctx, ACCESS_INT); EA = tcg_temp_new(); gen_addr_imm_index(ctx, EA, 0x03); if (ctx->opcode & 0x02) { /* lwa (lwau is undefined) */ gen_qemu_ld32s(ctx, cpu_gpr[rD(ctx->opcode)], EA); } else { /* ld - ldu */ gen_qemu_ld64(ctx, cpu_gpr[rD(ctx->opcode)], EA); } if (Rc(ctx->opcode)) tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); tcg_temp_free(EA); } /* lq */ GEN_HANDLER(lq, 0x38, 0xFF, 0xFF, 0x00000000, PPC_64BX) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else int ra, rd; TCGv EA; /* Restore CPU state */ if (unlikely(ctx->mem_idx == 0)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } ra = rA(ctx->opcode); rd = rD(ctx->opcode); if (unlikely((rd & 1) || rd == ra)) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } if (unlikely(ctx->le_mode)) { /* Little-endian mode is not handled */ gen_exception_err(ctx, POWERPC_EXCP_ALIGN, POWERPC_EXCP_ALIGN_LE); return; } gen_set_access_type(ctx, ACCESS_INT); EA = tcg_temp_new(); gen_addr_imm_index(ctx, EA, 0x0F); gen_qemu_ld64(ctx, cpu_gpr[rd], EA); gen_addr_add(ctx, EA, EA, 8); gen_qemu_ld64(ctx, cpu_gpr[rd+1], EA); tcg_temp_free(EA); #endif } #endif /*** Integer store ***/ #define GEN_ST(name, stop, opc, type) \ GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type) \ { \ TCGv EA; \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_imm_index(ctx, EA, 0); \ gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_STU(name, stop, opc, type) \ GEN_HANDLER(stop##u, opc, 0xFF, 0xFF, 0x00000000, type) \ { \ TCGv EA; \ if (unlikely(rA(ctx->opcode) == 0)) { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ if (type == PPC_64B) \ gen_addr_imm_index(ctx, EA, 0x03); \ else \ gen_addr_imm_index(ctx, EA, 0); \ gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_STUX(name, stop, opc2, opc3, type) \ GEN_HANDLER(name##ux, 0x1F, opc2, opc3, 0x00000001, type) \ { \ TCGv EA; \ if (unlikely(rA(ctx->opcode) == 0)) { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_STX(name, stop, opc2, opc3, type) \ GEN_HANDLER(name##x, 0x1F, opc2, opc3, 0x00000001, type) \ { \ TCGv EA; \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ gen_qemu_##stop(ctx, cpu_gpr[rS(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_STS(name, stop, op, type) \ GEN_ST(name, stop, op | 0x20, type); \ GEN_STU(name, stop, op | 0x21, type); \ GEN_STUX(name, stop, 0x17, op | 0x01, type); \ GEN_STX(name, stop, 0x17, op | 0x00, type) /* stb stbu stbux stbx */ GEN_STS(stb, st8, 0x06, PPC_INTEGER); /* sth sthu sthux sthx */ GEN_STS(sth, st16, 0x0C, PPC_INTEGER); /* stw stwu stwux stwx */ GEN_STS(stw, st32, 0x04, PPC_INTEGER); #if defined(TARGET_PPC64) GEN_STUX(std, st64, 0x15, 0x05, PPC_64B); GEN_STX(std, st64, 0x15, 0x04, PPC_64B); GEN_HANDLER(std, 0x3E, 0xFF, 0xFF, 0x00000000, PPC_64B) { int rs; TCGv EA; rs = rS(ctx->opcode); if ((ctx->opcode & 0x3) == 0x2) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else /* stq */ if (unlikely(ctx->mem_idx == 0)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } if (unlikely(rs & 1)) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } if (unlikely(ctx->le_mode)) { /* Little-endian mode is not handled */ gen_exception_err(ctx, POWERPC_EXCP_ALIGN, POWERPC_EXCP_ALIGN_LE); return; } gen_set_access_type(ctx, ACCESS_INT); EA = tcg_temp_new(); gen_addr_imm_index(ctx, EA, 0x03); gen_qemu_st64(ctx, cpu_gpr[rs], EA); gen_addr_add(ctx, EA, EA, 8); gen_qemu_st64(ctx, cpu_gpr[rs+1], EA); tcg_temp_free(EA); #endif } else { /* std / stdu */ if (Rc(ctx->opcode)) { if (unlikely(rA(ctx->opcode) == 0)) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } } gen_set_access_type(ctx, ACCESS_INT); EA = tcg_temp_new(); gen_addr_imm_index(ctx, EA, 0x03); gen_qemu_st64(ctx, cpu_gpr[rs], EA); if (Rc(ctx->opcode)) tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); tcg_temp_free(EA); } } #endif /*** Integer load and store with byte reverse ***/ /* lhbrx */ static void always_inline gen_qemu_ld16ur(DisasContext *ctx, TCGv arg1, TCGv arg2) { tcg_gen_qemu_ld16u(arg1, arg2, ctx->mem_idx); if (likely(!ctx->le_mode)) { #if defined(TARGET_PPC64) TCGv_i32 t0 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_bswap16_i32(t0, t0); tcg_gen_extu_i32_tl(arg1, t0); tcg_temp_free_i32(t0); #else tcg_gen_bswap16_i32(arg1, arg1); #endif } } GEN_LDX(lhbr, ld16ur, 0x16, 0x18, PPC_INTEGER); /* lwbrx */ static void always_inline gen_qemu_ld32ur(DisasContext *ctx, TCGv arg1, TCGv arg2) { tcg_gen_qemu_ld32u(arg1, arg2, ctx->mem_idx); if (likely(!ctx->le_mode)) { #if defined(TARGET_PPC64) TCGv_i32 t0 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_bswap_i32(t0, t0); tcg_gen_extu_i32_tl(arg1, t0); tcg_temp_free_i32(t0); #else tcg_gen_bswap_i32(arg1, arg1); #endif } } GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER); /* sthbrx */ static void always_inline gen_qemu_st16r(DisasContext *ctx, TCGv arg1, TCGv arg2) { if (likely(!ctx->le_mode)) { #if defined(TARGET_PPC64) TCGv_i32 t0; TCGv t1; t0 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_ext16u_i32(t0, t0); tcg_gen_bswap16_i32(t0, t0); t1 = tcg_temp_new(); tcg_gen_extu_i32_tl(t1, t0); tcg_temp_free_i32(t0); tcg_gen_qemu_st16(t1, arg2, ctx->mem_idx); tcg_temp_free(t1); #else TCGv t0 = tcg_temp_new(); tcg_gen_ext16u_tl(t0, arg1); tcg_gen_bswap16_i32(t0, t0); tcg_gen_qemu_st16(t0, arg2, ctx->mem_idx); tcg_temp_free(t0); #endif } else { tcg_gen_qemu_st16(arg1, arg2, ctx->mem_idx); } } GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER); /* stwbrx */ static void always_inline gen_qemu_st32r(DisasContext *ctx, TCGv arg1, TCGv arg2) { if (likely(!ctx->le_mode)) { #if defined(TARGET_PPC64) TCGv_i32 t0; TCGv t1; t0 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t0, arg1); tcg_gen_bswap_i32(t0, t0); t1 = tcg_temp_new(); tcg_gen_extu_i32_tl(t1, t0); tcg_temp_free_i32(t0); tcg_gen_qemu_st32(t1, arg2, ctx->mem_idx); tcg_temp_free(t1); #else TCGv t0 = tcg_temp_new_i32(); tcg_gen_bswap_i32(t0, arg1); tcg_gen_qemu_st32(t0, arg2, ctx->mem_idx); tcg_temp_free(t0); #endif } else { tcg_gen_qemu_st32(arg1, arg2, ctx->mem_idx); } } GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER); /*** Integer load and store multiple ***/ /* lmw */ GEN_HANDLER(lmw, 0x2E, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { TCGv t0; TCGv_i32 t1; gen_set_access_type(ctx, ACCESS_INT); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); t0 = tcg_temp_new(); t1 = tcg_const_i32(rD(ctx->opcode)); gen_addr_imm_index(ctx, t0, 0); gen_helper_lmw(t0, t1); tcg_temp_free(t0); tcg_temp_free_i32(t1); } /* stmw */ GEN_HANDLER(stmw, 0x2F, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { TCGv t0; TCGv_i32 t1; gen_set_access_type(ctx, ACCESS_INT); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); t0 = tcg_temp_new(); t1 = tcg_const_i32(rS(ctx->opcode)); gen_addr_imm_index(ctx, t0, 0); gen_helper_stmw(t0, t1); tcg_temp_free(t0); tcg_temp_free_i32(t1); } /*** Integer load and store strings ***/ /* lswi */ /* PowerPC32 specification says we must generate an exception if * rA is in the range of registers to be loaded. * In an other hand, IBM says this is valid, but rA won't be loaded. * For now, I'll follow the spec... */ GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING) { TCGv t0; TCGv_i32 t1, t2; int nb = NB(ctx->opcode); int start = rD(ctx->opcode); int ra = rA(ctx->opcode); int nr; if (nb == 0) nb = 32; nr = nb / 4; if (unlikely(((start + nr) > 32 && start <= ra && (start + nr - 32) > ra) || ((start + nr) <= 32 && start <= ra && (start + nr) > ra))) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_LSWX); return; } gen_set_access_type(ctx, ACCESS_INT); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); t0 = tcg_temp_new(); gen_addr_register(ctx, t0); t1 = tcg_const_i32(nb); t2 = tcg_const_i32(start); gen_helper_lsw(t0, t1, t2); tcg_temp_free(t0); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); } /* lswx */ GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING) { TCGv t0; TCGv_i32 t1, t2, t3; gen_set_access_type(ctx, ACCESS_INT); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); t1 = tcg_const_i32(rD(ctx->opcode)); t2 = tcg_const_i32(rA(ctx->opcode)); t3 = tcg_const_i32(rB(ctx->opcode)); gen_helper_lswx(t0, t1, t2, t3); tcg_temp_free(t0); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); tcg_temp_free_i32(t3); } /* stswi */ GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING) { TCGv t0; TCGv_i32 t1, t2; int nb = NB(ctx->opcode); gen_set_access_type(ctx, ACCESS_INT); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); t0 = tcg_temp_new(); gen_addr_register(ctx, t0); if (nb == 0) nb = 32; t1 = tcg_const_i32(nb); t2 = tcg_const_i32(rS(ctx->opcode)); gen_helper_stsw(t0, t1, t2); tcg_temp_free(t0); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); } /* stswx */ GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING) { TCGv t0; TCGv_i32 t1, t2; gen_set_access_type(ctx, ACCESS_INT); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); t1 = tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(t1, cpu_xer); tcg_gen_andi_i32(t1, t1, 0x7F); t2 = tcg_const_i32(rS(ctx->opcode)); gen_helper_stsw(t0, t1, t2); tcg_temp_free(t0); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); } /*** Memory synchronisation ***/ /* eieio */ GEN_HANDLER(eieio, 0x1F, 0x16, 0x1A, 0x03FFF801, PPC_MEM_EIEIO) { } /* isync */ GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM) { gen_stop_exception(ctx); } /* lwarx */ GEN_HANDLER(lwarx, 0x1F, 0x14, 0x00, 0x00000001, PPC_RES) { TCGv t0; gen_set_access_type(ctx, ACCESS_RES); t0 = tcg_temp_local_new(); gen_addr_reg_index(ctx, t0); gen_check_align(ctx, t0, 0x03); gen_qemu_ld32u(ctx, cpu_gpr[rD(ctx->opcode)], t0); tcg_gen_mov_tl(cpu_reserve, t0); tcg_temp_free(t0); } /* stwcx. */ GEN_HANDLER2(stwcx_, "stwcx.", 0x1F, 0x16, 0x04, 0x00000000, PPC_RES) { int l1; TCGv t0; gen_set_access_type(ctx, ACCESS_RES); t0 = tcg_temp_local_new(); gen_addr_reg_index(ctx, t0); gen_check_align(ctx, t0, 0x03); tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_xer); tcg_gen_shri_i32(cpu_crf[0], cpu_crf[0], XER_SO); tcg_gen_andi_i32(cpu_crf[0], cpu_crf[0], 1); l1 = gen_new_label(); tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1); tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ); gen_qemu_st32(ctx, cpu_gpr[rS(ctx->opcode)], t0); gen_set_label(l1); tcg_gen_movi_tl(cpu_reserve, -1); tcg_temp_free(t0); } #if defined(TARGET_PPC64) /* ldarx */ GEN_HANDLER(ldarx, 0x1F, 0x14, 0x02, 0x00000001, PPC_64B) { TCGv t0; gen_set_access_type(ctx, ACCESS_RES); t0 = tcg_temp_local_new(); gen_addr_reg_index(ctx, t0); gen_check_align(ctx, t0, 0x07); gen_qemu_ld64(ctx, cpu_gpr[rD(ctx->opcode)], t0); tcg_gen_mov_tl(cpu_reserve, t0); tcg_temp_free(t0); } /* stdcx. */ GEN_HANDLER2(stdcx_, "stdcx.", 0x1F, 0x16, 0x06, 0x00000000, PPC_64B) { int l1; TCGv t0; gen_set_access_type(ctx, ACCESS_RES); t0 = tcg_temp_local_new(); gen_addr_reg_index(ctx, t0); gen_check_align(ctx, t0, 0x07); tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_xer); tcg_gen_shri_i32(cpu_crf[0], cpu_crf[0], XER_SO); tcg_gen_andi_i32(cpu_crf[0], cpu_crf[0], 1); l1 = gen_new_label(); tcg_gen_brcond_tl(TCG_COND_NE, t0, cpu_reserve, l1); tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 1 << CRF_EQ); gen_qemu_st64(ctx, cpu_gpr[rS(ctx->opcode)], t0); gen_set_label(l1); tcg_gen_movi_tl(cpu_reserve, -1); tcg_temp_free(t0); } #endif /* defined(TARGET_PPC64) */ /* sync */ GEN_HANDLER(sync, 0x1F, 0x16, 0x12, 0x039FF801, PPC_MEM_SYNC) { } /* wait */ GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x03FFF801, PPC_WAIT) { TCGv_i32 t0 = tcg_temp_new_i32(); tcg_gen_st_i32(t0, cpu_env, offsetof(CPUState, halted)); tcg_temp_free_i32(t0); /* Stop translation, as the CPU is supposed to sleep from now */ gen_exception_err(ctx, EXCP_HLT, 1); } /*** Floating-point load ***/ #define GEN_LDF(name, ldop, opc, type) \ GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type) \ { \ TCGv EA; \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ gen_set_access_type(ctx, ACCESS_FLOAT); \ EA = tcg_temp_new(); \ gen_addr_imm_index(ctx, EA, 0); \ gen_qemu_##ldop(ctx, cpu_fpr[rD(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_LDUF(name, ldop, opc, type) \ GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type) \ { \ TCGv EA; \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ if (unlikely(rA(ctx->opcode) == 0)) { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ return; \ } \ gen_set_access_type(ctx, ACCESS_FLOAT); \ EA = tcg_temp_new(); \ gen_addr_imm_index(ctx, EA, 0); \ gen_qemu_##ldop(ctx, cpu_fpr[rD(ctx->opcode)], EA); \ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_LDUXF(name, ldop, opc, type) \ GEN_HANDLER(name##ux, 0x1F, 0x17, opc, 0x00000001, type) \ { \ TCGv EA; \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ if (unlikely(rA(ctx->opcode) == 0)) { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ return; \ } \ gen_set_access_type(ctx, ACCESS_FLOAT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ gen_qemu_##ldop(ctx, cpu_fpr[rD(ctx->opcode)], EA); \ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_LDXF(name, ldop, opc2, opc3, type) \ GEN_HANDLER(name##x, 0x1F, opc2, opc3, 0x00000001, type) \ { \ TCGv EA; \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ gen_set_access_type(ctx, ACCESS_FLOAT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ gen_qemu_##ldop(ctx, cpu_fpr[rD(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_LDFS(name, ldop, op, type) \ GEN_LDF(name, ldop, op | 0x20, type); \ GEN_LDUF(name, ldop, op | 0x21, type); \ GEN_LDUXF(name, ldop, op | 0x01, type); \ GEN_LDXF(name, ldop, 0x17, op | 0x00, type) static always_inline void gen_qemu_ld32fs(DisasContext *ctx, TCGv_i64 arg1, TCGv arg2) { TCGv t0 = tcg_temp_new(); TCGv_i32 t1 = tcg_temp_new_i32(); gen_qemu_ld32u(ctx, t0, arg2); tcg_gen_trunc_tl_i32(t1, t0); tcg_temp_free(t0); gen_helper_float32_to_float64(arg1, t1); tcg_temp_free_i32(t1); } /* lfd lfdu lfdux lfdx */ GEN_LDFS(lfd, ld64, 0x12, PPC_FLOAT); /* lfs lfsu lfsux lfsx */ GEN_LDFS(lfs, ld32fs, 0x10, PPC_FLOAT); /*** Floating-point store ***/ #define GEN_STF(name, stop, opc, type) \ GEN_HANDLER(name, opc, 0xFF, 0xFF, 0x00000000, type) \ { \ TCGv EA; \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ gen_set_access_type(ctx, ACCESS_FLOAT); \ EA = tcg_temp_new(); \ gen_addr_imm_index(ctx, EA, 0); \ gen_qemu_##stop(ctx, cpu_fpr[rS(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_STUF(name, stop, opc, type) \ GEN_HANDLER(name##u, opc, 0xFF, 0xFF, 0x00000000, type) \ { \ TCGv EA; \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ if (unlikely(rA(ctx->opcode) == 0)) { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ return; \ } \ gen_set_access_type(ctx, ACCESS_FLOAT); \ EA = tcg_temp_new(); \ gen_addr_imm_index(ctx, EA, 0); \ gen_qemu_##stop(ctx, cpu_fpr[rS(ctx->opcode)], EA); \ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_STUXF(name, stop, opc, type) \ GEN_HANDLER(name##ux, 0x1F, 0x17, opc, 0x00000001, type) \ { \ TCGv EA; \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ if (unlikely(rA(ctx->opcode) == 0)) { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ return; \ } \ gen_set_access_type(ctx, ACCESS_FLOAT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ gen_qemu_##stop(ctx, cpu_fpr[rS(ctx->opcode)], EA); \ tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_STXF(name, stop, opc2, opc3, type) \ GEN_HANDLER(name##x, 0x1F, opc2, opc3, 0x00000001, type) \ { \ TCGv EA; \ if (unlikely(!ctx->fpu_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_FPU); \ return; \ } \ gen_set_access_type(ctx, ACCESS_FLOAT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ gen_qemu_##stop(ctx, cpu_fpr[rS(ctx->opcode)], EA); \ tcg_temp_free(EA); \ } #define GEN_STFS(name, stop, op, type) \ GEN_STF(name, stop, op | 0x20, type); \ GEN_STUF(name, stop, op | 0x21, type); \ GEN_STUXF(name, stop, op | 0x01, type); \ GEN_STXF(name, stop, 0x17, op | 0x00, type) static always_inline void gen_qemu_st32fs(DisasContext *ctx, TCGv_i64 arg1, TCGv arg2) { TCGv_i32 t0 = tcg_temp_new_i32(); TCGv t1 = tcg_temp_new(); gen_helper_float64_to_float32(t0, arg1); tcg_gen_extu_i32_tl(t1, t0); tcg_temp_free_i32(t0); gen_qemu_st32(ctx, t1, arg2); tcg_temp_free(t1); } /* stfd stfdu stfdux stfdx */ GEN_STFS(stfd, st64, 0x16, PPC_FLOAT); /* stfs stfsu stfsux stfsx */ GEN_STFS(stfs, st32fs, 0x14, PPC_FLOAT); /* Optional: */ static always_inline void gen_qemu_st32fiw(DisasContext *ctx, TCGv_i64 arg1, TCGv arg2) { TCGv t0 = tcg_temp_new(); tcg_gen_trunc_i64_tl(t0, arg1), gen_qemu_st32(ctx, t0, arg2); tcg_temp_free(t0); } /* stfiwx */ GEN_STXF(stfiw, st32fiw, 0x17, 0x1E, PPC_FLOAT_STFIWX); /*** Branch ***/ static always_inline void gen_goto_tb (DisasContext *ctx, int n, target_ulong dest) { TranslationBlock *tb; tb = ctx->tb; #if defined(TARGET_PPC64) if (!ctx->sf_mode) dest = (uint32_t) dest; #endif if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) && likely(!ctx->singlestep_enabled)) { tcg_gen_goto_tb(n); tcg_gen_movi_tl(cpu_nip, dest & ~3); tcg_gen_exit_tb((long)tb + n); } else { tcg_gen_movi_tl(cpu_nip, dest & ~3); if (unlikely(ctx->singlestep_enabled)) { if ((ctx->singlestep_enabled & (CPU_BRANCH_STEP | CPU_SINGLE_STEP)) && ctx->exception == POWERPC_EXCP_BRANCH) { target_ulong tmp = ctx->nip; ctx->nip = dest; gen_exception(ctx, POWERPC_EXCP_TRACE); ctx->nip = tmp; } if (ctx->singlestep_enabled & GDBSTUB_SINGLE_STEP) { gen_debug_exception(ctx); } } tcg_gen_exit_tb(0); } } static always_inline void gen_setlr (DisasContext *ctx, target_ulong nip) { #if defined(TARGET_PPC64) if (ctx->sf_mode == 0) tcg_gen_movi_tl(cpu_lr, (uint32_t)nip); else #endif tcg_gen_movi_tl(cpu_lr, nip); } /* b ba bl bla */ GEN_HANDLER(b, 0x12, 0xFF, 0xFF, 0x00000000, PPC_FLOW) { target_ulong li, target; ctx->exception = POWERPC_EXCP_BRANCH; /* sign extend LI */ #if defined(TARGET_PPC64) if (ctx->sf_mode) li = ((int64_t)LI(ctx->opcode) << 38) >> 38; else #endif li = ((int32_t)LI(ctx->opcode) << 6) >> 6; if (likely(AA(ctx->opcode) == 0)) target = ctx->nip + li - 4; else target = li; if (LK(ctx->opcode)) gen_setlr(ctx, ctx->nip); gen_goto_tb(ctx, 0, target); } #define BCOND_IM 0 #define BCOND_LR 1 #define BCOND_CTR 2 static always_inline void gen_bcond (DisasContext *ctx, int type) { uint32_t bo = BO(ctx->opcode); int l1 = gen_new_label(); TCGv target; ctx->exception = POWERPC_EXCP_BRANCH; if (type == BCOND_LR || type == BCOND_CTR) { target = tcg_temp_local_new(); if (type == BCOND_CTR) tcg_gen_mov_tl(target, cpu_ctr); else tcg_gen_mov_tl(target, cpu_lr); } if (LK(ctx->opcode)) gen_setlr(ctx, ctx->nip); l1 = gen_new_label(); if ((bo & 0x4) == 0) { /* Decrement and test CTR */ TCGv temp = tcg_temp_new(); if (unlikely(type == BCOND_CTR)) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); return; } tcg_gen_subi_tl(cpu_ctr, cpu_ctr, 1); #if defined(TARGET_PPC64) if (!ctx->sf_mode) tcg_gen_ext32u_tl(temp, cpu_ctr); else #endif tcg_gen_mov_tl(temp, cpu_ctr); if (bo & 0x2) { tcg_gen_brcondi_tl(TCG_COND_NE, temp, 0, l1); } else { tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); } tcg_temp_free(temp); } if ((bo & 0x10) == 0) { /* Test CR */ uint32_t bi = BI(ctx->opcode); uint32_t mask = 1 << (3 - (bi & 0x03)); TCGv_i32 temp = tcg_temp_new_i32(); if (bo & 0x8) { tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask); tcg_gen_brcondi_i32(TCG_COND_EQ, temp, 0, l1); } else { tcg_gen_andi_i32(temp, cpu_crf[bi >> 2], mask); tcg_gen_brcondi_i32(TCG_COND_NE, temp, 0, l1); } tcg_temp_free_i32(temp); } if (type == BCOND_IM) { target_ulong li = (target_long)((int16_t)(BD(ctx->opcode))); if (likely(AA(ctx->opcode) == 0)) { gen_goto_tb(ctx, 0, ctx->nip + li - 4); } else { gen_goto_tb(ctx, 0, li); } gen_set_label(l1); gen_goto_tb(ctx, 1, ctx->nip); } else { #if defined(TARGET_PPC64) if (!(ctx->sf_mode)) tcg_gen_andi_tl(cpu_nip, target, (uint32_t)~3); else #endif tcg_gen_andi_tl(cpu_nip, target, ~3); tcg_gen_exit_tb(0); gen_set_label(l1); #if defined(TARGET_PPC64) if (!(ctx->sf_mode)) tcg_gen_movi_tl(cpu_nip, (uint32_t)ctx->nip); else #endif tcg_gen_movi_tl(cpu_nip, ctx->nip); tcg_gen_exit_tb(0); } } GEN_HANDLER(bc, 0x10, 0xFF, 0xFF, 0x00000000, PPC_FLOW) { gen_bcond(ctx, BCOND_IM); } GEN_HANDLER(bcctr, 0x13, 0x10, 0x10, 0x00000000, PPC_FLOW) { gen_bcond(ctx, BCOND_CTR); } GEN_HANDLER(bclr, 0x13, 0x10, 0x00, 0x00000000, PPC_FLOW) { gen_bcond(ctx, BCOND_LR); } /*** Condition register logical ***/ #define GEN_CRLOGIC(name, tcg_op, opc) \ GEN_HANDLER(name, 0x13, 0x01, opc, 0x00000001, PPC_INTEGER) \ { \ uint8_t bitmask; \ int sh; \ TCGv_i32 t0, t1; \ sh = (crbD(ctx->opcode) & 0x03) - (crbA(ctx->opcode) & 0x03); \ t0 = tcg_temp_new_i32(); \ if (sh > 0) \ tcg_gen_shri_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], sh); \ else if (sh < 0) \ tcg_gen_shli_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2], -sh); \ else \ tcg_gen_mov_i32(t0, cpu_crf[crbA(ctx->opcode) >> 2]); \ t1 = tcg_temp_new_i32(); \ sh = (crbD(ctx->opcode) & 0x03) - (crbB(ctx->opcode) & 0x03); \ if (sh > 0) \ tcg_gen_shri_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], sh); \ else if (sh < 0) \ tcg_gen_shli_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2], -sh); \ else \ tcg_gen_mov_i32(t1, cpu_crf[crbB(ctx->opcode) >> 2]); \ tcg_op(t0, t0, t1); \ bitmask = 1 << (3 - (crbD(ctx->opcode) & 0x03)); \ tcg_gen_andi_i32(t0, t0, bitmask); \ tcg_gen_andi_i32(t1, cpu_crf[crbD(ctx->opcode) >> 2], ~bitmask); \ tcg_gen_or_i32(cpu_crf[crbD(ctx->opcode) >> 2], t0, t1); \ tcg_temp_free_i32(t0); \ tcg_temp_free_i32(t1); \ } /* crand */ GEN_CRLOGIC(crand, tcg_gen_and_i32, 0x08); /* crandc */ GEN_CRLOGIC(crandc, tcg_gen_andc_i32, 0x04); /* creqv */ GEN_CRLOGIC(creqv, tcg_gen_eqv_i32, 0x09); /* crnand */ GEN_CRLOGIC(crnand, tcg_gen_nand_i32, 0x07); /* crnor */ GEN_CRLOGIC(crnor, tcg_gen_nor_i32, 0x01); /* cror */ GEN_CRLOGIC(cror, tcg_gen_or_i32, 0x0E); /* crorc */ GEN_CRLOGIC(crorc, tcg_gen_orc_i32, 0x0D); /* crxor */ GEN_CRLOGIC(crxor, tcg_gen_xor_i32, 0x06); /* mcrf */ GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER) { tcg_gen_mov_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfS(ctx->opcode)]); } /*** System linkage ***/ /* rfi (mem_idx only) */ GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else /* Restore CPU state */ if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_rfi(); gen_sync_exception(ctx); #endif } #if defined(TARGET_PPC64) GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else /* Restore CPU state */ if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_rfid(); gen_sync_exception(ctx); #endif } GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else /* Restore CPU state */ if (unlikely(ctx->mem_idx <= 1)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_hrfid(); gen_sync_exception(ctx); #endif } #endif /* sc */ #if defined(CONFIG_USER_ONLY) #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER #else #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL #endif GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFF01D, PPC_FLOW) { uint32_t lev; lev = (ctx->opcode >> 5) & 0x7F; gen_exception_err(ctx, POWERPC_SYSCALL, lev); } /*** Trap ***/ /* tw */ GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW) { TCGv_i32 t0 = tcg_const_i32(TO(ctx->opcode)); /* Update the nip since this might generate a trap exception */ gen_update_nip(ctx, ctx->nip); gen_helper_tw(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); tcg_temp_free_i32(t0); } /* twi */ GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW) { TCGv t0 = tcg_const_tl(SIMM(ctx->opcode)); TCGv_i32 t1 = tcg_const_i32(TO(ctx->opcode)); /* Update the nip since this might generate a trap exception */ gen_update_nip(ctx, ctx->nip); gen_helper_tw(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free_i32(t1); } #if defined(TARGET_PPC64) /* td */ GEN_HANDLER(td, 0x1F, 0x04, 0x02, 0x00000001, PPC_64B) { TCGv_i32 t0 = tcg_const_i32(TO(ctx->opcode)); /* Update the nip since this might generate a trap exception */ gen_update_nip(ctx, ctx->nip); gen_helper_td(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); tcg_temp_free_i32(t0); } /* tdi */ GEN_HANDLER(tdi, 0x02, 0xFF, 0xFF, 0x00000000, PPC_64B) { TCGv t0 = tcg_const_tl(SIMM(ctx->opcode)); TCGv_i32 t1 = tcg_const_i32(TO(ctx->opcode)); /* Update the nip since this might generate a trap exception */ gen_update_nip(ctx, ctx->nip); gen_helper_td(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free_i32(t1); } #endif /*** Processor control ***/ /* mcrxr */ GEN_HANDLER(mcrxr, 0x1F, 0x00, 0x10, 0x007FF801, PPC_MISC) { tcg_gen_trunc_tl_i32(cpu_crf[crfD(ctx->opcode)], cpu_xer); tcg_gen_shri_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], XER_CA); tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_SO | 1 << XER_OV | 1 << XER_CA)); } /* mfcr */ GEN_HANDLER(mfcr, 0x1F, 0x13, 0x00, 0x00000801, PPC_MISC) { uint32_t crm, crn; if (likely(ctx->opcode & 0x00100000)) { crm = CRM(ctx->opcode); if (likely((crm ^ (crm - 1)) == 0)) { crn = ffs(crm); tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], cpu_crf[7 - crn]); } } else { gen_helper_load_cr(cpu_gpr[rD(ctx->opcode)]); } } /* mfmsr */ GEN_HANDLER(mfmsr, 0x1F, 0x13, 0x02, 0x001FF801, PPC_MISC) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_msr); #endif } #if 1 #define SPR_NOACCESS ((void *)(-1UL)) #else static void spr_noaccess (void *opaque, int sprn) { sprn = ((sprn >> 5) & 0x1F) | ((sprn & 0x1F) << 5); printf("ERROR: try to access SPR %d !\n", sprn); } #define SPR_NOACCESS (&spr_noaccess) #endif /* mfspr */ static always_inline void gen_op_mfspr (DisasContext *ctx) { void (*read_cb)(void *opaque, int gprn, int sprn); uint32_t sprn = SPR(ctx->opcode); #if !defined(CONFIG_USER_ONLY) if (ctx->mem_idx == 2) read_cb = ctx->spr_cb[sprn].hea_read; else if (ctx->mem_idx) read_cb = ctx->spr_cb[sprn].oea_read; else #endif read_cb = ctx->spr_cb[sprn].uea_read; if (likely(read_cb != NULL)) { if (likely(read_cb != SPR_NOACCESS)) { (*read_cb)(ctx, rD(ctx->opcode), sprn); } else { /* Privilege exception */ /* This is a hack to avoid warnings when running Linux: * this OS breaks the PowerPC virtualisation model, * allowing userland application to read the PVR */ if (sprn != SPR_PVR) { if (loglevel != 0) { fprintf(logfile, "Trying to read privileged spr %d %03x at " ADDRX "\n", sprn, sprn, ctx->nip); } printf("Trying to read privileged spr %d %03x at " ADDRX "\n", sprn, sprn, ctx->nip); } gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); } } else { /* Not defined */ if (loglevel != 0) { fprintf(logfile, "Trying to read invalid spr %d %03x at " ADDRX "\n", sprn, sprn, ctx->nip); } printf("Trying to read invalid spr %d %03x at " ADDRX "\n", sprn, sprn, ctx->nip); gen_inval_exception(ctx, POWERPC_EXCP_INVAL_SPR); } } GEN_HANDLER(mfspr, 0x1F, 0x13, 0x0A, 0x00000001, PPC_MISC) { gen_op_mfspr(ctx); } /* mftb */ GEN_HANDLER(mftb, 0x1F, 0x13, 0x0B, 0x00000001, PPC_MFTB) { gen_op_mfspr(ctx); } /* mtcrf */ GEN_HANDLER(mtcrf, 0x1F, 0x10, 0x04, 0x00000801, PPC_MISC) { uint32_t crm, crn; crm = CRM(ctx->opcode); if (likely((ctx->opcode & 0x00100000) || (crm ^ (crm - 1)) == 0)) { TCGv_i32 temp = tcg_temp_new_i32(); crn = ffs(crm); tcg_gen_trunc_tl_i32(temp, cpu_gpr[rS(ctx->opcode)]); tcg_gen_shri_i32(cpu_crf[7 - crn], temp, crn * 4); tcg_gen_andi_i32(cpu_crf[7 - crn], cpu_crf[7 - crn], 0xf); tcg_temp_free_i32(temp); } else { TCGv_i32 temp = tcg_const_i32(crm); gen_helper_store_cr(cpu_gpr[rS(ctx->opcode)], temp); tcg_temp_free_i32(temp); } } /* mtmsr */ #if defined(TARGET_PPC64) GEN_HANDLER(mtmsrd, 0x1F, 0x12, 0x05, 0x001EF801, PPC_64B) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } if (ctx->opcode & 0x00010000) { /* Special form that does not need any synchronisation */ TCGv t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE)); tcg_gen_andi_tl(cpu_msr, cpu_msr, ~((1 << MSR_RI) | (1 << MSR_EE))); tcg_gen_or_tl(cpu_msr, cpu_msr, t0); tcg_temp_free(t0); } else { /* XXX: we need to update nip before the store * if we enter power saving mode, we will exit the loop * directly from ppc_store_msr */ gen_update_nip(ctx, ctx->nip); gen_helper_store_msr(cpu_gpr[rS(ctx->opcode)]); /* Must stop the translation as machine state (may have) changed */ /* Note that mtmsr is not always defined as context-synchronizing */ gen_stop_exception(ctx); } #endif } #endif GEN_HANDLER(mtmsr, 0x1F, 0x12, 0x04, 0x001FF801, PPC_MISC) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } if (ctx->opcode & 0x00010000) { /* Special form that does not need any synchronisation */ TCGv t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rS(ctx->opcode)], (1 << MSR_RI) | (1 << MSR_EE)); tcg_gen_andi_tl(cpu_msr, cpu_msr, ~((1 << MSR_RI) | (1 << MSR_EE))); tcg_gen_or_tl(cpu_msr, cpu_msr, t0); tcg_temp_free(t0); } else { /* XXX: we need to update nip before the store * if we enter power saving mode, we will exit the loop * directly from ppc_store_msr */ gen_update_nip(ctx, ctx->nip); #if defined(TARGET_PPC64) if (!ctx->sf_mode) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_msr, 0xFFFFFFFF00000000ULL); tcg_gen_ext32u_tl(t1, cpu_gpr[rS(ctx->opcode)]); tcg_gen_or_tl(t0, t0, t1); tcg_temp_free(t1); gen_helper_store_msr(t0); tcg_temp_free(t0); } else #endif gen_helper_store_msr(cpu_gpr[rS(ctx->opcode)]); /* Must stop the translation as machine state (may have) changed */ /* Note that mtmsr is not always defined as context-synchronizing */ gen_stop_exception(ctx); } #endif } /* mtspr */ GEN_HANDLER(mtspr, 0x1F, 0x13, 0x0E, 0x00000001, PPC_MISC) { void (*write_cb)(void *opaque, int sprn, int gprn); uint32_t sprn = SPR(ctx->opcode); #if !defined(CONFIG_USER_ONLY) if (ctx->mem_idx == 2) write_cb = ctx->spr_cb[sprn].hea_write; else if (ctx->mem_idx) write_cb = ctx->spr_cb[sprn].oea_write; else #endif write_cb = ctx->spr_cb[sprn].uea_write; if (likely(write_cb != NULL)) { if (likely(write_cb != SPR_NOACCESS)) { (*write_cb)(ctx, sprn, rS(ctx->opcode)); } else { /* Privilege exception */ if (loglevel != 0) { fprintf(logfile, "Trying to write privileged spr %d %03x at " ADDRX "\n", sprn, sprn, ctx->nip); } printf("Trying to write privileged spr %d %03x at " ADDRX "\n", sprn, sprn, ctx->nip); gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); } } else { /* Not defined */ if (loglevel != 0) { fprintf(logfile, "Trying to write invalid spr %d %03x at " ADDRX "\n", sprn, sprn, ctx->nip); } printf("Trying to write invalid spr %d %03x at " ADDRX "\n", sprn, sprn, ctx->nip); gen_inval_exception(ctx, POWERPC_EXCP_INVAL_SPR); } } /*** Cache management ***/ /* dcbf */ GEN_HANDLER(dcbf, 0x1F, 0x16, 0x02, 0x03C00001, PPC_CACHE) { /* XXX: specification says this is treated as a load by the MMU */ TCGv t0; gen_set_access_type(ctx, ACCESS_CACHE); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_qemu_ld8u(ctx, t0, t0); tcg_temp_free(t0); } /* dcbi (Supervisor only) */ GEN_HANDLER(dcbi, 0x1F, 0x16, 0x0E, 0x03E00001, PPC_CACHE) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else TCGv EA, val; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } EA = tcg_temp_new(); gen_set_access_type(ctx, ACCESS_CACHE); gen_addr_reg_index(ctx, EA); val = tcg_temp_new(); /* XXX: specification says this should be treated as a store by the MMU */ gen_qemu_ld8u(ctx, val, EA); gen_qemu_st8(ctx, val, EA); tcg_temp_free(val); tcg_temp_free(EA); #endif } /* dcdst */ GEN_HANDLER(dcbst, 0x1F, 0x16, 0x01, 0x03E00001, PPC_CACHE) { /* XXX: specification say this is treated as a load by the MMU */ TCGv t0; gen_set_access_type(ctx, ACCESS_CACHE); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_qemu_ld8u(ctx, t0, t0); tcg_temp_free(t0); } /* dcbt */ GEN_HANDLER(dcbt, 0x1F, 0x16, 0x08, 0x02000001, PPC_CACHE) { /* interpreted as no-op */ /* XXX: specification say this is treated as a load by the MMU * but does not generate any exception */ } /* dcbtst */ GEN_HANDLER(dcbtst, 0x1F, 0x16, 0x07, 0x02000001, PPC_CACHE) { /* interpreted as no-op */ /* XXX: specification say this is treated as a load by the MMU * but does not generate any exception */ } /* dcbz */ GEN_HANDLER(dcbz, 0x1F, 0x16, 0x1F, 0x03E00001, PPC_CACHE_DCBZ) { TCGv t0; gen_set_access_type(ctx, ACCESS_CACHE); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_dcbz(t0); tcg_temp_free(t0); } GEN_HANDLER2(dcbz_970, "dcbz", 0x1F, 0x16, 0x1F, 0x03C00001, PPC_CACHE_DCBZT) { TCGv t0; gen_set_access_type(ctx, ACCESS_CACHE); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); if (ctx->opcode & 0x00200000) gen_helper_dcbz(t0); else gen_helper_dcbz_970(t0); tcg_temp_free(t0); } /* icbi */ GEN_HANDLER(icbi, 0x1F, 0x16, 0x1E, 0x03E00001, PPC_CACHE_ICBI) { TCGv t0; gen_set_access_type(ctx, ACCESS_CACHE); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_icbi(t0); tcg_temp_free(t0); } /* Optional: */ /* dcba */ GEN_HANDLER(dcba, 0x1F, 0x16, 0x17, 0x03E00001, PPC_CACHE_DCBA) { /* interpreted as no-op */ /* XXX: specification say this is treated as a store by the MMU * but does not generate any exception */ } /*** Segment register manipulation ***/ /* Supervisor only: */ /* mfsr */ GEN_HANDLER(mfsr, 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } t0 = tcg_const_tl(SR(ctx->opcode)); gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); #endif } /* mfsrin */ GEN_HANDLER(mfsrin, 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28); tcg_gen_andi_tl(t0, t0, 0xF); gen_helper_load_sr(cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); #endif } /* mtsr */ GEN_HANDLER(mtsr, 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } t0 = tcg_const_tl(SR(ctx->opcode)); gen_helper_store_sr(t0, cpu_gpr[rS(ctx->opcode)]); tcg_temp_free(t0); #endif } /* mtsrin */ GEN_HANDLER(mtsrin, 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28); tcg_gen_andi_tl(t0, t0, 0xF); gen_helper_store_sr(t0, cpu_gpr[rD(ctx->opcode)]); tcg_temp_free(t0); #endif } #if defined(TARGET_PPC64) /* Specific implementation for PowerPC 64 "bridge" emulation using SLB */ /* mfsr */ GEN_HANDLER2(mfsr_64b, "mfsr", 0x1F, 0x13, 0x12, 0x0010F801, PPC_SEGMENT_64B) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } t0 = tcg_const_tl(SR(ctx->opcode)); gen_helper_load_slb(cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); #endif } /* mfsrin */ GEN_HANDLER2(mfsrin_64b, "mfsrin", 0x1F, 0x13, 0x14, 0x001F0001, PPC_SEGMENT_64B) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28); tcg_gen_andi_tl(t0, t0, 0xF); gen_helper_load_slb(cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); #endif } /* mtsr */ GEN_HANDLER2(mtsr_64b, "mtsr", 0x1F, 0x12, 0x06, 0x0010F801, PPC_SEGMENT_64B) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } t0 = tcg_const_tl(SR(ctx->opcode)); gen_helper_store_slb(t0, cpu_gpr[rS(ctx->opcode)]); tcg_temp_free(t0); #endif } /* mtsrin */ GEN_HANDLER2(mtsrin_64b, "mtsrin", 0x1F, 0x12, 0x07, 0x001F0001, PPC_SEGMENT_64B) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 28); tcg_gen_andi_tl(t0, t0, 0xF); gen_helper_store_slb(t0, cpu_gpr[rS(ctx->opcode)]); tcg_temp_free(t0); #endif } #endif /* defined(TARGET_PPC64) */ /*** Lookaside buffer management ***/ /* Optional & mem_idx only: */ /* tlbia */ GEN_HANDLER(tlbia, 0x1F, 0x12, 0x0B, 0x03FFFC01, PPC_MEM_TLBIA) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_tlbia(); #endif } /* tlbie */ GEN_HANDLER(tlbie, 0x1F, 0x12, 0x09, 0x03FF0001, PPC_MEM_TLBIE) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } #if defined(TARGET_PPC64) if (!ctx->sf_mode) { TCGv t0 = tcg_temp_new(); tcg_gen_ext32u_tl(t0, cpu_gpr[rB(ctx->opcode)]); gen_helper_tlbie(t0); tcg_temp_free(t0); } else #endif gen_helper_tlbie(cpu_gpr[rB(ctx->opcode)]); #endif } /* tlbsync */ GEN_HANDLER(tlbsync, 0x1F, 0x16, 0x11, 0x03FFF801, PPC_MEM_TLBSYNC) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } /* This has no effect: it should ensure that all previous * tlbie have completed */ gen_stop_exception(ctx); #endif } #if defined(TARGET_PPC64) /* slbia */ GEN_HANDLER(slbia, 0x1F, 0x12, 0x0F, 0x03FFFC01, PPC_SLBI) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_slbia(); #endif } /* slbie */ GEN_HANDLER(slbie, 0x1F, 0x12, 0x0D, 0x03FF0001, PPC_SLBI) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_slbie(cpu_gpr[rB(ctx->opcode)]); #endif } #endif /*** External control ***/ /* Optional: */ /* eciwx */ GEN_HANDLER(eciwx, 0x1F, 0x16, 0x0D, 0x00000001, PPC_EXTERN) { TCGv t0; /* Should check EAR[E] ! */ gen_set_access_type(ctx, ACCESS_EXT); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_check_align(ctx, t0, 0x03); gen_qemu_ld32u(ctx, cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); } /* ecowx */ GEN_HANDLER(ecowx, 0x1F, 0x16, 0x09, 0x00000001, PPC_EXTERN) { TCGv t0; /* Should check EAR[E] ! */ gen_set_access_type(ctx, ACCESS_EXT); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_check_align(ctx, t0, 0x03); gen_qemu_st32(ctx, cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); } /* PowerPC 601 specific instructions */ /* abs - abs. */ GEN_HANDLER(abs, 0x1F, 0x08, 0x0B, 0x0000F800, PPC_POWER_BR) { int l1 = gen_new_label(); int l2 = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l1); tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* abso - abso. */ GEN_HANDLER(abso, 0x1F, 0x08, 0x1B, 0x0000F800, PPC_POWER_BR) { int l1 = gen_new_label(); int l2 = gen_new_label(); int l3 = gen_new_label(); /* Start with XER OV disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rA(ctx->opcode)], 0, l2); tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rA(ctx->opcode)], 0x80000000, l1); tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO)); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l3); gen_set_label(l2); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l3); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* clcs */ GEN_HANDLER(clcs, 0x1F, 0x10, 0x13, 0x0000F800, PPC_POWER_BR) { TCGv_i32 t0 = tcg_const_i32(rA(ctx->opcode)); gen_helper_clcs(cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free_i32(t0); /* Rc=1 sets CR0 to an undefined state */ } /* div - div. */ GEN_HANDLER(div, 0x1F, 0x0B, 0x0A, 0x00000000, PPC_POWER_BR) { gen_helper_div(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* divo - divo. */ GEN_HANDLER(divo, 0x1F, 0x0B, 0x1A, 0x00000000, PPC_POWER_BR) { gen_helper_divo(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* divs - divs. */ GEN_HANDLER(divs, 0x1F, 0x0B, 0x0B, 0x00000000, PPC_POWER_BR) { gen_helper_divs(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* divso - divso. */ GEN_HANDLER(divso, 0x1F, 0x0B, 0x1B, 0x00000000, PPC_POWER_BR) { gen_helper_divso(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* doz - doz. */ GEN_HANDLER(doz, 0x1F, 0x08, 0x08, 0x00000000, PPC_POWER_BR) { int l1 = gen_new_label(); int l2 = gen_new_label(); tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1); tcg_gen_sub_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); gen_set_label(l2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* dozo - dozo. */ GEN_HANDLER(dozo, 0x1F, 0x08, 0x18, 0x00000000, PPC_POWER_BR) { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new(); /* Start with XER OV disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); tcg_gen_brcond_tl(TCG_COND_GE, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], l1); tcg_gen_sub_tl(t0, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_xor_tl(t1, cpu_gpr[rB(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_xor_tl(t2, cpu_gpr[rA(ctx->opcode)], t0); tcg_gen_andc_tl(t1, t1, t2); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0); tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2); tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO)); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); gen_set_label(l2); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* dozi */ GEN_HANDLER(dozi, 0x09, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR) { target_long simm = SIMM(ctx->opcode); int l1 = gen_new_label(); int l2 = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_LT, cpu_gpr[rA(ctx->opcode)], simm, l1); tcg_gen_subfi_tl(cpu_gpr[rD(ctx->opcode)], simm, cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], 0); gen_set_label(l2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* lscbx - lscbx. */ GEN_HANDLER(lscbx, 0x1F, 0x15, 0x08, 0x00000000, PPC_POWER_BR) { TCGv t0 = tcg_temp_new(); TCGv_i32 t1 = tcg_const_i32(rD(ctx->opcode)); TCGv_i32 t2 = tcg_const_i32(rA(ctx->opcode)); TCGv_i32 t3 = tcg_const_i32(rB(ctx->opcode)); gen_addr_reg_index(ctx, t0); /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_helper_lscbx(t0, t0, t1, t2, t3); tcg_temp_free_i32(t1); tcg_temp_free_i32(t2); tcg_temp_free_i32(t3); tcg_gen_andi_tl(cpu_xer, cpu_xer, ~0x7F); tcg_gen_or_tl(cpu_xer, cpu_xer, t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, t0); tcg_temp_free(t0); } /* maskg - maskg. */ GEN_HANDLER(maskg, 0x1F, 0x1D, 0x00, 0x00000000, PPC_POWER_BR) { int l1 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new(); TCGv t3 = tcg_temp_new(); tcg_gen_movi_tl(t3, 0xFFFFFFFF); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_andi_tl(t1, cpu_gpr[rS(ctx->opcode)], 0x1F); tcg_gen_addi_tl(t2, t0, 1); tcg_gen_shr_tl(t2, t3, t2); tcg_gen_shr_tl(t3, t3, t1); tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], t2, t3); tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); tcg_gen_neg_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l1); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); tcg_temp_free(t3); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* maskir - maskir. */ GEN_HANDLER(maskir, 0x1F, 0x1D, 0x10, 0x00000000, PPC_POWER_BR) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_and_tl(t0, cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* mul - mul. */ GEN_HANDLER(mul, 0x1F, 0x0B, 0x03, 0x00000000, PPC_POWER_BR) { TCGv_i64 t0 = tcg_temp_new_i64(); TCGv_i64 t1 = tcg_temp_new_i64(); TCGv t2 = tcg_temp_new(); tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_mul_i64(t0, t0, t1); tcg_gen_trunc_i64_tl(t2, t0); gen_store_spr(SPR_MQ, t2); tcg_gen_shri_i64(t1, t0, 32); tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1); tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* mulo - mulo. */ GEN_HANDLER(mulo, 0x1F, 0x0B, 0x13, 0x00000000, PPC_POWER_BR) { int l1 = gen_new_label(); TCGv_i64 t0 = tcg_temp_new_i64(); TCGv_i64 t1 = tcg_temp_new_i64(); TCGv t2 = tcg_temp_new(); /* Start with XER OV disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); tcg_gen_extu_tl_i64(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_extu_tl_i64(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_mul_i64(t0, t0, t1); tcg_gen_trunc_i64_tl(t2, t0); gen_store_spr(SPR_MQ, t2); tcg_gen_shri_i64(t1, t0, 32); tcg_gen_trunc_i64_tl(cpu_gpr[rD(ctx->opcode)], t1); tcg_gen_ext32s_i64(t1, t0); tcg_gen_brcond_i64(TCG_COND_EQ, t0, t1, l1); tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO)); gen_set_label(l1); tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* nabs - nabs. */ GEN_HANDLER(nabs, 0x1F, 0x08, 0x0F, 0x00000000, PPC_POWER_BR) { int l1 = gen_new_label(); int l2 = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* nabso - nabso. */ GEN_HANDLER(nabso, 0x1F, 0x08, 0x1F, 0x00000000, PPC_POWER_BR) { int l1 = gen_new_label(); int l2 = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_GT, cpu_gpr[rA(ctx->opcode)], 0, l1); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_neg_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); gen_set_label(l2); /* nabs never overflows */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } /* rlmi - rlmi. */ GEN_HANDLER(rlmi, 0x16, 0xFF, 0xFF, 0x00000000, PPC_POWER_BR) { uint32_t mb = MB(ctx->opcode); uint32_t me = ME(ctx->opcode); TCGv t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); tcg_gen_andi_tl(t0, t0, MASK(mb, me)); tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~MASK(mb, me)); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], t0); tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* rrib - rrib. */ GEN_HANDLER(rrib, 0x1F, 0x19, 0x10, 0x00000000, PPC_POWER_BR) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_movi_tl(t1, 0x80000000); tcg_gen_shr_tl(t1, t1, t0); tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); tcg_gen_and_tl(t0, t0, t1); tcg_gen_andc_tl(t1, cpu_gpr[rA(ctx->opcode)], t1); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sle - sle. */ GEN_HANDLER(sle, 0x1F, 0x19, 0x04, 0x00000000, PPC_POWER_BR) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_subfi_tl(t1, 32, t1); tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_or_tl(t1, t0, t1); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); gen_store_spr(SPR_MQ, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sleq - sleq. */ GEN_HANDLER(sleq, 0x1F, 0x19, 0x06, 0x00000000, PPC_POWER_BR) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_movi_tl(t2, 0xFFFFFFFF); tcg_gen_shl_tl(t2, t2, t0); tcg_gen_rotl_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); gen_load_spr(t1, SPR_MQ); gen_store_spr(SPR_MQ, t0); tcg_gen_and_tl(t0, t0, t2); tcg_gen_andc_tl(t1, t1, t2); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sliq - sliq. */ GEN_HANDLER(sliq, 0x1F, 0x18, 0x05, 0x00000000, PPC_POWER_BR) { int sh = SH(ctx->opcode); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_shli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); tcg_gen_shri_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh); tcg_gen_or_tl(t1, t0, t1); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); gen_store_spr(SPR_MQ, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* slliq - slliq. */ GEN_HANDLER(slliq, 0x1F, 0x18, 0x07, 0x00000000, PPC_POWER_BR) { int sh = SH(ctx->opcode); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_rotli_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); gen_load_spr(t1, SPR_MQ); gen_store_spr(SPR_MQ, t0); tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU << sh)); tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU << sh)); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sllq - sllq. */ GEN_HANDLER(sllq, 0x1F, 0x18, 0x06, 0x00000000, PPC_POWER_BR) { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv t0 = tcg_temp_local_new(); TCGv t1 = tcg_temp_local_new(); TCGv t2 = tcg_temp_local_new(); tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_movi_tl(t1, 0xFFFFFFFF); tcg_gen_shl_tl(t1, t1, t2); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); gen_load_spr(t0, SPR_MQ); tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t2); gen_load_spr(t2, SPR_MQ); tcg_gen_andc_tl(t1, t2, t1); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); gen_set_label(l2); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* slq - slq. */ GEN_HANDLER(slq, 0x1F, 0x18, 0x04, 0x00000000, PPC_POWER_BR) { int l1 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_shl_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_subfi_tl(t1, 32, t1); tcg_gen_shr_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_or_tl(t1, t0, t1); gen_store_spr(SPR_MQ, t1); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); gen_set_label(l1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sraiq - sraiq. */ GEN_HANDLER(sraiq, 0x1F, 0x18, 0x1D, 0x00000000, PPC_POWER_BR) { int sh = SH(ctx->opcode); int l1 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh); tcg_gen_or_tl(t0, t0, t1); gen_store_spr(SPR_MQ, t0); tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA)); tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1); tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_CA)); gen_set_label(l1); tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sraq - sraq. */ GEN_HANDLER(sraq, 0x1F, 0x18, 0x1C, 0x00000000, PPC_POWER_BR) { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_local_new(); TCGv t2 = tcg_temp_local_new(); tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2); tcg_gen_sar_tl(t1, cpu_gpr[rS(ctx->opcode)], t2); tcg_gen_subfi_tl(t2, 32, t2); tcg_gen_shl_tl(t2, cpu_gpr[rS(ctx->opcode)], t2); tcg_gen_or_tl(t0, t0, t2); gen_store_spr(SPR_MQ, t0); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l1); tcg_gen_mov_tl(t2, cpu_gpr[rS(ctx->opcode)]); tcg_gen_sari_tl(t1, cpu_gpr[rS(ctx->opcode)], 31); gen_set_label(l1); tcg_temp_free(t0); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t1); tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_CA)); tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l2); tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l2); tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_CA)); gen_set_label(l2); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sre - sre. */ GEN_HANDLER(sre, 0x1F, 0x19, 0x14, 0x00000000, PPC_POWER_BR) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_subfi_tl(t1, 32, t1); tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_or_tl(t1, t0, t1); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); gen_store_spr(SPR_MQ, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srea - srea. */ GEN_HANDLER(srea, 0x1F, 0x19, 0x1C, 0x00000000, PPC_POWER_BR) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); gen_store_spr(SPR_MQ, t0); tcg_gen_sar_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sreq */ GEN_HANDLER(sreq, 0x1F, 0x19, 0x16, 0x00000000, PPC_POWER_BR) { TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); TCGv t2 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_movi_tl(t1, 0xFFFFFFFF); tcg_gen_shr_tl(t1, t1, t0); tcg_gen_rotr_tl(t0, cpu_gpr[rS(ctx->opcode)], t0); gen_load_spr(t2, SPR_MQ); gen_store_spr(SPR_MQ, t0); tcg_gen_and_tl(t0, t0, t1); tcg_gen_andc_tl(t2, t2, t1); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t2); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* sriq */ GEN_HANDLER(sriq, 0x1F, 0x18, 0x15, 0x00000000, PPC_POWER_BR) { int sh = SH(ctx->opcode); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); tcg_gen_shli_tl(t1, cpu_gpr[rS(ctx->opcode)], 32 - sh); tcg_gen_or_tl(t1, t0, t1); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); gen_store_spr(SPR_MQ, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srliq */ GEN_HANDLER(srliq, 0x1F, 0x18, 0x17, 0x00000000, PPC_POWER_BR) { int sh = SH(ctx->opcode); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_rotri_tl(t0, cpu_gpr[rS(ctx->opcode)], sh); gen_load_spr(t1, SPR_MQ); gen_store_spr(SPR_MQ, t0); tcg_gen_andi_tl(t0, t0, (0xFFFFFFFFU >> sh)); tcg_gen_andi_tl(t1, t1, ~(0xFFFFFFFFU >> sh)); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srlq */ GEN_HANDLER(srlq, 0x1F, 0x18, 0x16, 0x00000000, PPC_POWER_BR) { int l1 = gen_new_label(); int l2 = gen_new_label(); TCGv t0 = tcg_temp_local_new(); TCGv t1 = tcg_temp_local_new(); TCGv t2 = tcg_temp_local_new(); tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_movi_tl(t1, 0xFFFFFFFF); tcg_gen_shr_tl(t2, t1, t2); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x20); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); gen_load_spr(t0, SPR_MQ); tcg_gen_and_tl(cpu_gpr[rA(ctx->opcode)], t0, t2); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t2); tcg_gen_and_tl(t0, t0, t2); gen_load_spr(t1, SPR_MQ); tcg_gen_andc_tl(t1, t1, t2); tcg_gen_or_tl(cpu_gpr[rA(ctx->opcode)], t0, t1); gen_set_label(l2); tcg_temp_free(t0); tcg_temp_free(t1); tcg_temp_free(t2); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srq */ GEN_HANDLER(srq, 0x1F, 0x18, 0x14, 0x00000000, PPC_POWER_BR) { int l1 = gen_new_label(); TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x1F); tcg_gen_shr_tl(t0, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_subfi_tl(t1, 32, t1); tcg_gen_shl_tl(t1, cpu_gpr[rS(ctx->opcode)], t1); tcg_gen_or_tl(t1, t0, t1); gen_store_spr(SPR_MQ, t1); tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0x20); tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); gen_set_label(l1); tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* PowerPC 602 specific instructions */ /* dsa */ GEN_HANDLER(dsa, 0x1F, 0x14, 0x13, 0x03FFF801, PPC_602_SPEC) { /* XXX: TODO */ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); } /* esa */ GEN_HANDLER(esa, 0x1F, 0x14, 0x12, 0x03FFF801, PPC_602_SPEC) { /* XXX: TODO */ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); } /* mfrom */ GEN_HANDLER(mfrom, 0x1F, 0x09, 0x08, 0x03E0F801, PPC_602_SPEC) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_602_mfrom(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); #endif } /* 602 - 603 - G2 TLB management */ /* tlbld */ GEN_HANDLER2(tlbld_6xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_6xx_TLB) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_6xx_tlbd(cpu_gpr[rB(ctx->opcode)]); #endif } /* tlbli */ GEN_HANDLER2(tlbli_6xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_6xx_TLB) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_6xx_tlbi(cpu_gpr[rB(ctx->opcode)]); #endif } /* 74xx TLB management */ /* tlbld */ GEN_HANDLER2(tlbld_74xx, "tlbld", 0x1F, 0x12, 0x1E, 0x03FF0001, PPC_74xx_TLB) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_74xx_tlbd(cpu_gpr[rB(ctx->opcode)]); #endif } /* tlbli */ GEN_HANDLER2(tlbli_74xx, "tlbli", 0x1F, 0x12, 0x1F, 0x03FF0001, PPC_74xx_TLB) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_74xx_tlbi(cpu_gpr[rB(ctx->opcode)]); #endif } /* POWER instructions not in PowerPC 601 */ /* clf */ GEN_HANDLER(clf, 0x1F, 0x16, 0x03, 0x03E00000, PPC_POWER) { /* Cache line flush: implemented as no-op */ } /* cli */ GEN_HANDLER(cli, 0x1F, 0x16, 0x0F, 0x03E00000, PPC_POWER) { /* Cache line invalidate: privileged and treated as no-op */ #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } #endif } /* dclst */ GEN_HANDLER(dclst, 0x1F, 0x16, 0x13, 0x03E00000, PPC_POWER) { /* Data cache line store: treated as no-op */ } GEN_HANDLER(mfsri, 0x1F, 0x13, 0x13, 0x00000001, PPC_POWER) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else int ra = rA(ctx->opcode); int rd = rD(ctx->opcode); TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); tcg_gen_shri_tl(t0, t0, 28); tcg_gen_andi_tl(t0, t0, 0xF); gen_helper_load_sr(cpu_gpr[rd], t0); tcg_temp_free(t0); if (ra != 0 && ra != rd) tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rd]); #endif } GEN_HANDLER(rac, 0x1F, 0x12, 0x19, 0x00000001, PPC_POWER) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_rac(cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); #endif } GEN_HANDLER(rfsvc, 0x13, 0x12, 0x02, 0x03FFF0001, PPC_POWER) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_helper_rfsvc(); gen_sync_exception(ctx); #endif } /* svc is not implemented for now */ /* POWER2 specific instructions */ /* Quad manipulation (load/store two floats at a time) */ /* lfq */ GEN_HANDLER(lfq, 0x38, 0xFF, 0xFF, 0x00000003, PPC_POWER2) { int rd = rD(ctx->opcode); TCGv t0; gen_set_access_type(ctx, ACCESS_FLOAT); t0 = tcg_temp_new(); gen_addr_imm_index(ctx, t0, 0); gen_qemu_ld64(ctx, cpu_fpr[rd], t0); gen_addr_add(ctx, t0, t0, 8); gen_qemu_ld64(ctx, cpu_fpr[(rd + 1) % 32], t0); tcg_temp_free(t0); } /* lfqu */ GEN_HANDLER(lfqu, 0x39, 0xFF, 0xFF, 0x00000003, PPC_POWER2) { int ra = rA(ctx->opcode); int rd = rD(ctx->opcode); TCGv t0, t1; gen_set_access_type(ctx, ACCESS_FLOAT); t0 = tcg_temp_new(); t1 = tcg_temp_new(); gen_addr_imm_index(ctx, t0, 0); gen_qemu_ld64(ctx, cpu_fpr[rd], t0); gen_addr_add(ctx, t1, t0, 8); gen_qemu_ld64(ctx, cpu_fpr[(rd + 1) % 32], t1); if (ra != 0) tcg_gen_mov_tl(cpu_gpr[ra], t0); tcg_temp_free(t0); tcg_temp_free(t1); } /* lfqux */ GEN_HANDLER(lfqux, 0x1F, 0x17, 0x19, 0x00000001, PPC_POWER2) { int ra = rA(ctx->opcode); int rd = rD(ctx->opcode); gen_set_access_type(ctx, ACCESS_FLOAT); TCGv t0, t1; t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_qemu_ld64(ctx, cpu_fpr[rd], t0); t1 = tcg_temp_new(); gen_addr_add(ctx, t1, t0, 8); gen_qemu_ld64(ctx, cpu_fpr[(rd + 1) % 32], t1); tcg_temp_free(t1); if (ra != 0) tcg_gen_mov_tl(cpu_gpr[ra], t0); tcg_temp_free(t0); } /* lfqx */ GEN_HANDLER(lfqx, 0x1F, 0x17, 0x18, 0x00000001, PPC_POWER2) { int rd = rD(ctx->opcode); TCGv t0; gen_set_access_type(ctx, ACCESS_FLOAT); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_qemu_ld64(ctx, cpu_fpr[rd], t0); gen_addr_add(ctx, t0, t0, 8); gen_qemu_ld64(ctx, cpu_fpr[(rd + 1) % 32], t0); tcg_temp_free(t0); } /* stfq */ GEN_HANDLER(stfq, 0x3C, 0xFF, 0xFF, 0x00000003, PPC_POWER2) { int rd = rD(ctx->opcode); TCGv t0; gen_set_access_type(ctx, ACCESS_FLOAT); t0 = tcg_temp_new(); gen_addr_imm_index(ctx, t0, 0); gen_qemu_st64(ctx, cpu_fpr[rd], t0); gen_addr_add(ctx, t0, t0, 8); gen_qemu_st64(ctx, cpu_fpr[(rd + 1) % 32], t0); tcg_temp_free(t0); } /* stfqu */ GEN_HANDLER(stfqu, 0x3D, 0xFF, 0xFF, 0x00000003, PPC_POWER2) { int ra = rA(ctx->opcode); int rd = rD(ctx->opcode); TCGv t0, t1; gen_set_access_type(ctx, ACCESS_FLOAT); t0 = tcg_temp_new(); gen_addr_imm_index(ctx, t0, 0); gen_qemu_st64(ctx, cpu_fpr[rd], t0); t1 = tcg_temp_new(); gen_addr_add(ctx, t1, t0, 8); gen_qemu_st64(ctx, cpu_fpr[(rd + 1) % 32], t1); tcg_temp_free(t1); if (ra != 0) tcg_gen_mov_tl(cpu_gpr[ra], t0); tcg_temp_free(t0); } /* stfqux */ GEN_HANDLER(stfqux, 0x1F, 0x17, 0x1D, 0x00000001, PPC_POWER2) { int ra = rA(ctx->opcode); int rd = rD(ctx->opcode); TCGv t0, t1; gen_set_access_type(ctx, ACCESS_FLOAT); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_qemu_st64(ctx, cpu_fpr[rd], t0); t1 = tcg_temp_new(); gen_addr_add(ctx, t1, t0, 8); gen_qemu_st64(ctx, cpu_fpr[(rd + 1) % 32], t1); tcg_temp_free(t1); if (ra != 0) tcg_gen_mov_tl(cpu_gpr[ra], t0); tcg_temp_free(t0); } /* stfqx */ GEN_HANDLER(stfqx, 0x1F, 0x17, 0x1C, 0x00000001, PPC_POWER2) { int rd = rD(ctx->opcode); TCGv t0; gen_set_access_type(ctx, ACCESS_FLOAT); t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_qemu_st64(ctx, cpu_fpr[rd], t0); gen_addr_add(ctx, t0, t0, 8); gen_qemu_st64(ctx, cpu_fpr[(rd + 1) % 32], t0); tcg_temp_free(t0); } /* BookE specific instructions */ /* XXX: not implemented on 440 ? */ GEN_HANDLER(mfapidi, 0x1F, 0x13, 0x08, 0x0000F801, PPC_MFAPIDI) { /* XXX: TODO */ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); } /* XXX: not implemented on 440 ? */ GEN_HANDLER(tlbiva, 0x1F, 0x12, 0x18, 0x03FFF801, PPC_TLBIVA) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_tlbie(cpu_gpr[rB(ctx->opcode)]); tcg_temp_free(t0); #endif } /* All 405 MAC instructions are translated here */ static always_inline void gen_405_mulladd_insn (DisasContext *ctx, int opc2, int opc3, int ra, int rb, int rt, int Rc) { TCGv t0, t1; t0 = tcg_temp_local_new(); t1 = tcg_temp_local_new(); switch (opc3 & 0x0D) { case 0x05: /* macchw - macchw. - macchwo - macchwo. */ /* macchws - macchws. - macchwso - macchwso. */ /* nmacchw - nmacchw. - nmacchwo - nmacchwo. */ /* nmacchws - nmacchws. - nmacchwso - nmacchwso. */ /* mulchw - mulchw. */ tcg_gen_ext16s_tl(t0, cpu_gpr[ra]); tcg_gen_sari_tl(t1, cpu_gpr[rb], 16); tcg_gen_ext16s_tl(t1, t1); break; case 0x04: /* macchwu - macchwu. - macchwuo - macchwuo. */ /* macchwsu - macchwsu. - macchwsuo - macchwsuo. */ /* mulchwu - mulchwu. */ tcg_gen_ext16u_tl(t0, cpu_gpr[ra]); tcg_gen_shri_tl(t1, cpu_gpr[rb], 16); tcg_gen_ext16u_tl(t1, t1); break; case 0x01: /* machhw - machhw. - machhwo - machhwo. */ /* machhws - machhws. - machhwso - machhwso. */ /* nmachhw - nmachhw. - nmachhwo - nmachhwo. */ /* nmachhws - nmachhws. - nmachhwso - nmachhwso. */ /* mulhhw - mulhhw. */ tcg_gen_sari_tl(t0, cpu_gpr[ra], 16); tcg_gen_ext16s_tl(t0, t0); tcg_gen_sari_tl(t1, cpu_gpr[rb], 16); tcg_gen_ext16s_tl(t1, t1); break; case 0x00: /* machhwu - machhwu. - machhwuo - machhwuo. */ /* machhwsu - machhwsu. - machhwsuo - machhwsuo. */ /* mulhhwu - mulhhwu. */ tcg_gen_shri_tl(t0, cpu_gpr[ra], 16); tcg_gen_ext16u_tl(t0, t0); tcg_gen_shri_tl(t1, cpu_gpr[rb], 16); tcg_gen_ext16u_tl(t1, t1); break; case 0x0D: /* maclhw - maclhw. - maclhwo - maclhwo. */ /* maclhws - maclhws. - maclhwso - maclhwso. */ /* nmaclhw - nmaclhw. - nmaclhwo - nmaclhwo. */ /* nmaclhws - nmaclhws. - nmaclhwso - nmaclhwso. */ /* mullhw - mullhw. */ tcg_gen_ext16s_tl(t0, cpu_gpr[ra]); tcg_gen_ext16s_tl(t1, cpu_gpr[rb]); break; case 0x0C: /* maclhwu - maclhwu. - maclhwuo - maclhwuo. */ /* maclhwsu - maclhwsu. - maclhwsuo - maclhwsuo. */ /* mullhwu - mullhwu. */ tcg_gen_ext16u_tl(t0, cpu_gpr[ra]); tcg_gen_ext16u_tl(t1, cpu_gpr[rb]); break; } if (opc2 & 0x04) { /* (n)multiply-and-accumulate (0x0C / 0x0E) */ tcg_gen_mul_tl(t1, t0, t1); if (opc2 & 0x02) { /* nmultiply-and-accumulate (0x0E) */ tcg_gen_sub_tl(t0, cpu_gpr[rt], t1); } else { /* multiply-and-accumulate (0x0C) */ tcg_gen_add_tl(t0, cpu_gpr[rt], t1); } if (opc3 & 0x12) { /* Check overflow and/or saturate */ int l1 = gen_new_label(); if (opc3 & 0x10) { /* Start with XER OV disabled, the most likely case */ tcg_gen_andi_tl(cpu_xer, cpu_xer, ~(1 << XER_OV)); } if (opc3 & 0x01) { /* Signed */ tcg_gen_xor_tl(t1, cpu_gpr[rt], t1); tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); tcg_gen_xor_tl(t1, cpu_gpr[rt], t0); tcg_gen_brcondi_tl(TCG_COND_LT, t1, 0, l1); if (opc3 & 0x02) { /* Saturate */ tcg_gen_sari_tl(t0, cpu_gpr[rt], 31); tcg_gen_xori_tl(t0, t0, 0x7fffffff); } } else { /* Unsigned */ tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); if (opc3 & 0x02) { /* Saturate */ tcg_gen_movi_tl(t0, UINT32_MAX); } } if (opc3 & 0x10) { /* Check overflow */ tcg_gen_ori_tl(cpu_xer, cpu_xer, (1 << XER_OV) | (1 << XER_SO)); } gen_set_label(l1); tcg_gen_mov_tl(cpu_gpr[rt], t0); } } else { tcg_gen_mul_tl(cpu_gpr[rt], t0, t1); } tcg_temp_free(t0); tcg_temp_free(t1); if (unlikely(Rc) != 0) { /* Update Rc0 */ gen_set_Rc0(ctx, cpu_gpr[rt]); } } #define GEN_MAC_HANDLER(name, opc2, opc3) \ GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_405_MAC) \ { \ gen_405_mulladd_insn(ctx, opc2, opc3, rA(ctx->opcode), rB(ctx->opcode), \ rD(ctx->opcode), Rc(ctx->opcode)); \ } /* macchw - macchw. */ GEN_MAC_HANDLER(macchw, 0x0C, 0x05); /* macchwo - macchwo. */ GEN_MAC_HANDLER(macchwo, 0x0C, 0x15); /* macchws - macchws. */ GEN_MAC_HANDLER(macchws, 0x0C, 0x07); /* macchwso - macchwso. */ GEN_MAC_HANDLER(macchwso, 0x0C, 0x17); /* macchwsu - macchwsu. */ GEN_MAC_HANDLER(macchwsu, 0x0C, 0x06); /* macchwsuo - macchwsuo. */ GEN_MAC_HANDLER(macchwsuo, 0x0C, 0x16); /* macchwu - macchwu. */ GEN_MAC_HANDLER(macchwu, 0x0C, 0x04); /* macchwuo - macchwuo. */ GEN_MAC_HANDLER(macchwuo, 0x0C, 0x14); /* machhw - machhw. */ GEN_MAC_HANDLER(machhw, 0x0C, 0x01); /* machhwo - machhwo. */ GEN_MAC_HANDLER(machhwo, 0x0C, 0x11); /* machhws - machhws. */ GEN_MAC_HANDLER(machhws, 0x0C, 0x03); /* machhwso - machhwso. */ GEN_MAC_HANDLER(machhwso, 0x0C, 0x13); /* machhwsu - machhwsu. */ GEN_MAC_HANDLER(machhwsu, 0x0C, 0x02); /* machhwsuo - machhwsuo. */ GEN_MAC_HANDLER(machhwsuo, 0x0C, 0x12); /* machhwu - machhwu. */ GEN_MAC_HANDLER(machhwu, 0x0C, 0x00); /* machhwuo - machhwuo. */ GEN_MAC_HANDLER(machhwuo, 0x0C, 0x10); /* maclhw - maclhw. */ GEN_MAC_HANDLER(maclhw, 0x0C, 0x0D); /* maclhwo - maclhwo. */ GEN_MAC_HANDLER(maclhwo, 0x0C, 0x1D); /* maclhws - maclhws. */ GEN_MAC_HANDLER(maclhws, 0x0C, 0x0F); /* maclhwso - maclhwso. */ GEN_MAC_HANDLER(maclhwso, 0x0C, 0x1F); /* maclhwu - maclhwu. */ GEN_MAC_HANDLER(maclhwu, 0x0C, 0x0C); /* maclhwuo - maclhwuo. */ GEN_MAC_HANDLER(maclhwuo, 0x0C, 0x1C); /* maclhwsu - maclhwsu. */ GEN_MAC_HANDLER(maclhwsu, 0x0C, 0x0E); /* maclhwsuo - maclhwsuo. */ GEN_MAC_HANDLER(maclhwsuo, 0x0C, 0x1E); /* nmacchw - nmacchw. */ GEN_MAC_HANDLER(nmacchw, 0x0E, 0x05); /* nmacchwo - nmacchwo. */ GEN_MAC_HANDLER(nmacchwo, 0x0E, 0x15); /* nmacchws - nmacchws. */ GEN_MAC_HANDLER(nmacchws, 0x0E, 0x07); /* nmacchwso - nmacchwso. */ GEN_MAC_HANDLER(nmacchwso, 0x0E, 0x17); /* nmachhw - nmachhw. */ GEN_MAC_HANDLER(nmachhw, 0x0E, 0x01); /* nmachhwo - nmachhwo. */ GEN_MAC_HANDLER(nmachhwo, 0x0E, 0x11); /* nmachhws - nmachhws. */ GEN_MAC_HANDLER(nmachhws, 0x0E, 0x03); /* nmachhwso - nmachhwso. */ GEN_MAC_HANDLER(nmachhwso, 0x0E, 0x13); /* nmaclhw - nmaclhw. */ GEN_MAC_HANDLER(nmaclhw, 0x0E, 0x0D); /* nmaclhwo - nmaclhwo. */ GEN_MAC_HANDLER(nmaclhwo, 0x0E, 0x1D); /* nmaclhws - nmaclhws. */ GEN_MAC_HANDLER(nmaclhws, 0x0E, 0x0F); /* nmaclhwso - nmaclhwso. */ GEN_MAC_HANDLER(nmaclhwso, 0x0E, 0x1F); /* mulchw - mulchw. */ GEN_MAC_HANDLER(mulchw, 0x08, 0x05); /* mulchwu - mulchwu. */ GEN_MAC_HANDLER(mulchwu, 0x08, 0x04); /* mulhhw - mulhhw. */ GEN_MAC_HANDLER(mulhhw, 0x08, 0x01); /* mulhhwu - mulhhwu. */ GEN_MAC_HANDLER(mulhhwu, 0x08, 0x00); /* mullhw - mullhw. */ GEN_MAC_HANDLER(mullhw, 0x08, 0x0D); /* mullhwu - mullhwu. */ GEN_MAC_HANDLER(mullhwu, 0x08, 0x0C); /* mfdcr */ GEN_HANDLER(mfdcr, 0x1F, 0x03, 0x0A, 0x00000001, PPC_DCR) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else TCGv dcrn; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); dcrn = tcg_const_tl(SPR(ctx->opcode)); gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], dcrn); tcg_temp_free(dcrn); #endif } /* mtdcr */ GEN_HANDLER(mtdcr, 0x1F, 0x03, 0x0E, 0x00000001, PPC_DCR) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else TCGv dcrn; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); dcrn = tcg_const_tl(SPR(ctx->opcode)); gen_helper_store_dcr(dcrn, cpu_gpr[rS(ctx->opcode)]); tcg_temp_free(dcrn); #endif } /* mfdcrx */ /* XXX: not implemented on 440 ? */ GEN_HANDLER(mfdcrx, 0x1F, 0x03, 0x08, 0x00000000, PPC_DCRX) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ #endif } /* mtdcrx */ /* XXX: not implemented on 440 ? */ GEN_HANDLER(mtdcrx, 0x1F, 0x03, 0x0C, 0x00000000, PPC_DCRX) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_REG); return; } /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_helper_store_dcr(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ #endif } /* mfdcrux (PPC 460) : user-mode access to DCR */ GEN_HANDLER(mfdcrux, 0x1F, 0x03, 0x09, 0x00000000, PPC_DCRUX) { /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_helper_load_dcr(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ } /* mtdcrux (PPC 460) : user-mode access to DCR */ GEN_HANDLER(mtdcrux, 0x1F, 0x03, 0x0D, 0x00000000, PPC_DCRUX) { /* NIP cannot be restored if the memory exception comes from an helper */ gen_update_nip(ctx, ctx->nip - 4); gen_helper_store_dcr(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); /* Note: Rc update flag set leads to undefined state of Rc0 */ } /* dccci */ GEN_HANDLER(dccci, 0x1F, 0x06, 0x0E, 0x03E00001, PPC_4xx_COMMON) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } /* interpreted as no-op */ #endif } /* dcread */ GEN_HANDLER(dcread, 0x1F, 0x06, 0x0F, 0x00000001, PPC_4xx_COMMON) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else TCGv EA, val; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } gen_set_access_type(ctx, ACCESS_CACHE); EA = tcg_temp_new(); gen_addr_reg_index(ctx, EA); val = tcg_temp_new(); gen_qemu_ld32u(ctx, val, EA); tcg_temp_free(val); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], EA); tcg_temp_free(EA); #endif } /* icbt */ GEN_HANDLER2(icbt_40x, "icbt", 0x1F, 0x06, 0x08, 0x03E00001, PPC_40x_ICBT) { /* interpreted as no-op */ /* XXX: specification say this is treated as a load by the MMU * but does not generate any exception */ } /* iccci */ GEN_HANDLER(iccci, 0x1F, 0x06, 0x1E, 0x00000001, PPC_4xx_COMMON) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } /* interpreted as no-op */ #endif } /* icread */ GEN_HANDLER(icread, 0x1F, 0x06, 0x1F, 0x03E00001, PPC_4xx_COMMON) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } /* interpreted as no-op */ #endif } /* rfci (mem_idx only) */ GEN_HANDLER2(rfci_40x, "rfci", 0x13, 0x13, 0x01, 0x03FF8001, PPC_40x_EXCP) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } /* Restore CPU state */ gen_helper_40x_rfci(); gen_sync_exception(ctx); #endif } GEN_HANDLER(rfci, 0x13, 0x13, 0x01, 0x03FF8001, PPC_BOOKE) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } /* Restore CPU state */ gen_helper_rfci(); gen_sync_exception(ctx); #endif } /* BookE specific */ /* XXX: not implemented on 440 ? */ GEN_HANDLER(rfdi, 0x13, 0x07, 0x01, 0x03FF8001, PPC_RFDI) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } /* Restore CPU state */ gen_helper_rfdi(); gen_sync_exception(ctx); #endif } /* XXX: not implemented on 440 ? */ GEN_HANDLER(rfmci, 0x13, 0x06, 0x01, 0x03FF8001, PPC_RFMCI) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } /* Restore CPU state */ gen_helper_rfmci(); gen_sync_exception(ctx); #endif } /* TLB management - PowerPC 405 implementation */ /* tlbre */ GEN_HANDLER2(tlbre_40x, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_40x_TLB) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } switch (rB(ctx->opcode)) { case 0: gen_helper_4xx_tlbre_hi(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); break; case 1: gen_helper_4xx_tlbre_lo(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); break; default: gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); break; } #endif } /* tlbsx - tlbsx. */ GEN_HANDLER2(tlbsx_40x, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_40x_TLB) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_4xx_tlbsx(cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); if (Rc(ctx->opcode)) { int l1 = gen_new_label(); tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_xer); tcg_gen_shri_i32(cpu_crf[0], cpu_crf[0], XER_SO); tcg_gen_andi_i32(cpu_crf[0], cpu_crf[0], 1); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1); tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02); gen_set_label(l1); } #endif } /* tlbwe */ GEN_HANDLER2(tlbwe_40x, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_40x_TLB) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } switch (rB(ctx->opcode)) { case 0: gen_helper_4xx_tlbwe_hi(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); break; case 1: gen_helper_4xx_tlbwe_lo(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); break; default: gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); break; } #endif } /* TLB management - PowerPC 440 implementation */ /* tlbre */ GEN_HANDLER2(tlbre_440, "tlbre", 0x1F, 0x12, 0x1D, 0x00000001, PPC_BOOKE) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } switch (rB(ctx->opcode)) { case 0: case 1: case 2: { TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode)); gen_helper_440_tlbwe(t0, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); tcg_temp_free_i32(t0); } break; default: gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); break; } #endif } /* tlbsx - tlbsx. */ GEN_HANDLER2(tlbsx_440, "tlbsx", 0x1F, 0x12, 0x1C, 0x00000000, PPC_BOOKE) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } t0 = tcg_temp_new(); gen_addr_reg_index(ctx, t0); gen_helper_440_tlbsx(cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); if (Rc(ctx->opcode)) { int l1 = gen_new_label(); tcg_gen_trunc_tl_i32(cpu_crf[0], cpu_xer); tcg_gen_shri_i32(cpu_crf[0], cpu_crf[0], XER_SO); tcg_gen_andi_i32(cpu_crf[0], cpu_crf[0], 1); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rD(ctx->opcode)], -1, l1); tcg_gen_ori_i32(cpu_crf[0], cpu_crf[0], 0x02); gen_set_label(l1); } #endif } /* tlbwe */ GEN_HANDLER2(tlbwe_440, "tlbwe", 0x1F, 0x12, 0x1E, 0x00000001, PPC_BOOKE) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } switch (rB(ctx->opcode)) { case 0: case 1: case 2: { TCGv_i32 t0 = tcg_const_i32(rB(ctx->opcode)); gen_helper_440_tlbwe(t0, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); tcg_temp_free_i32(t0); } break; default: gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); break; } #endif } /* wrtee */ GEN_HANDLER(wrtee, 0x1F, 0x03, 0x04, 0x000FFC01, PPC_WRTEE) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else TCGv t0; if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } t0 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rD(ctx->opcode)], (1 << MSR_EE)); tcg_gen_andi_tl(cpu_msr, cpu_msr, ~(1 << MSR_EE)); tcg_gen_or_tl(cpu_msr, cpu_msr, t0); tcg_temp_free(t0); /* Stop translation to have a chance to raise an exception * if we just set msr_ee to 1 */ gen_stop_exception(ctx); #endif } /* wrteei */ GEN_HANDLER(wrteei, 0x1F, 0x03, 0x05, 0x000EFC01, PPC_WRTEE) { #if defined(CONFIG_USER_ONLY) gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); #else if (unlikely(!ctx->mem_idx)) { gen_inval_exception(ctx, POWERPC_EXCP_PRIV_OPC); return; } if (ctx->opcode & 0x00010000) { tcg_gen_ori_tl(cpu_msr, cpu_msr, (1 << MSR_EE)); /* Stop translation to have a chance to raise an exception */ gen_stop_exception(ctx); } else { tcg_gen_andi_tl(cpu_msr, cpu_msr, (1 << MSR_EE)); } #endif } /* PowerPC 440 specific instructions */ /* dlmzb */ GEN_HANDLER(dlmzb, 0x1F, 0x0E, 0x02, 0x00000000, PPC_440_SPEC) { TCGv_i32 t0 = tcg_const_i32(Rc(ctx->opcode)); gen_helper_dlmzb(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], t0); tcg_temp_free_i32(t0); } /* mbar replaces eieio on 440 */ GEN_HANDLER(mbar, 0x1F, 0x16, 0x1a, 0x001FF801, PPC_BOOKE) { /* interpreted as no-op */ } /* msync replaces sync on 440 */ GEN_HANDLER(msync, 0x1F, 0x16, 0x12, 0x03FFF801, PPC_BOOKE) { /* interpreted as no-op */ } /* icbt */ GEN_HANDLER2(icbt_440, "icbt", 0x1F, 0x16, 0x00, 0x03E00001, PPC_BOOKE) { /* interpreted as no-op */ /* XXX: specification say this is treated as a load by the MMU * but does not generate any exception */ } /*** Altivec vector extension ***/ /* Altivec registers moves */ #define GEN_VR_LDX(name, opc2, opc3) \ GEN_HANDLER(name, 0x1F, opc2, opc3, 0x00000001, PPC_ALTIVEC) \ { \ TCGv EA; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ tcg_gen_andi_tl(EA, EA, ~0xf); \ if (ctx->le_mode) { \ gen_qemu_ld64(ctx, cpu_avrl[rD(ctx->opcode)], EA); \ tcg_gen_addi_tl(EA, EA, 8); \ gen_qemu_ld64(ctx, cpu_avrh[rD(ctx->opcode)], EA); \ } else { \ gen_qemu_ld64(ctx, cpu_avrh[rD(ctx->opcode)], EA); \ tcg_gen_addi_tl(EA, EA, 8); \ gen_qemu_ld64(ctx, cpu_avrl[rD(ctx->opcode)], EA); \ } \ tcg_temp_free(EA); \ } #define GEN_VR_STX(name, opc2, opc3) \ GEN_HANDLER(st##name, 0x1F, opc2, opc3, 0x00000001, PPC_ALTIVEC) \ { \ TCGv EA; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ tcg_gen_andi_tl(EA, EA, ~0xf); \ if (ctx->le_mode) { \ gen_qemu_st64(ctx, cpu_avrl[rD(ctx->opcode)], EA); \ tcg_gen_addi_tl(EA, EA, 8); \ gen_qemu_st64(ctx, cpu_avrh[rD(ctx->opcode)], EA); \ } else { \ gen_qemu_st64(ctx, cpu_avrh[rD(ctx->opcode)], EA); \ tcg_gen_addi_tl(EA, EA, 8); \ gen_qemu_st64(ctx, cpu_avrl[rD(ctx->opcode)], EA); \ } \ tcg_temp_free(EA); \ } GEN_VR_LDX(lvx, 0x07, 0x03); /* As we don't emulate the cache, lvxl is stricly equivalent to lvx */ GEN_VR_LDX(lvxl, 0x07, 0x0B); GEN_VR_STX(svx, 0x07, 0x07); /* As we don't emulate the cache, stvxl is stricly equivalent to stvx */ GEN_VR_STX(svxl, 0x07, 0x0F); /*** SPE extension ***/ /* Register moves */ static always_inline void gen_load_gpr64(TCGv_i64 t, int reg) { #if defined(TARGET_PPC64) tcg_gen_mov_i64(t, cpu_gpr[reg]); #else tcg_gen_concat_i32_i64(t, cpu_gpr[reg], cpu_gprh[reg]); #endif } static always_inline void gen_store_gpr64(int reg, TCGv_i64 t) { #if defined(TARGET_PPC64) tcg_gen_mov_i64(cpu_gpr[reg], t); #else TCGv_i64 tmp = tcg_temp_new_i64(); tcg_gen_trunc_i64_i32(cpu_gpr[reg], t); tcg_gen_shri_i64(tmp, t, 32); tcg_gen_trunc_i64_i32(cpu_gprh[reg], tmp); tcg_temp_free_i64(tmp); #endif } #define GEN_SPE(name0, name1, opc2, opc3, inval, type) \ GEN_HANDLER(name0##_##name1, 0x04, opc2, opc3, inval, type) \ { \ if (Rc(ctx->opcode)) \ gen_##name1(ctx); \ else \ gen_##name0(ctx); \ } /* Handler for undefined SPE opcodes */ static always_inline void gen_speundef (DisasContext *ctx) { gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); } /* SPE logic */ #if defined(TARGET_PPC64) #define GEN_SPEOP_LOGIC2(name, tcg_op) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \ cpu_gpr[rB(ctx->opcode)]); \ } #else #define GEN_SPEOP_LOGIC2(name, tcg_op) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \ cpu_gpr[rB(ctx->opcode)]); \ tcg_op(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], \ cpu_gprh[rB(ctx->opcode)]); \ } #endif GEN_SPEOP_LOGIC2(evand, tcg_gen_and_tl); GEN_SPEOP_LOGIC2(evandc, tcg_gen_andc_tl); GEN_SPEOP_LOGIC2(evxor, tcg_gen_xor_tl); GEN_SPEOP_LOGIC2(evor, tcg_gen_or_tl); GEN_SPEOP_LOGIC2(evnor, tcg_gen_nor_tl); GEN_SPEOP_LOGIC2(eveqv, tcg_gen_eqv_tl); GEN_SPEOP_LOGIC2(evorc, tcg_gen_orc_tl); GEN_SPEOP_LOGIC2(evnand, tcg_gen_nand_tl); /* SPE logic immediate */ #if defined(TARGET_PPC64) #define GEN_SPEOP_TCG_LOGIC_IMM2(name, tcg_opi) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ TCGv_i32 t0 = tcg_temp_local_new_i32(); \ TCGv_i32 t1 = tcg_temp_local_new_i32(); \ TCGv_i64 t2 = tcg_temp_local_new_i64(); \ tcg_gen_trunc_i64_i32(t0, cpu_gpr[rA(ctx->opcode)]); \ tcg_opi(t0, t0, rB(ctx->opcode)); \ tcg_gen_shri_i64(t2, cpu_gpr[rA(ctx->opcode)], 32); \ tcg_gen_trunc_i64_i32(t1, t2); \ tcg_temp_free_i64(t2); \ tcg_opi(t1, t1, rB(ctx->opcode)); \ tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); \ tcg_temp_free_i32(t0); \ tcg_temp_free_i32(t1); \ } #else #define GEN_SPEOP_TCG_LOGIC_IMM2(name, tcg_opi) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ tcg_opi(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \ rB(ctx->opcode)); \ tcg_opi(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], \ rB(ctx->opcode)); \ } #endif GEN_SPEOP_TCG_LOGIC_IMM2(evslwi, tcg_gen_shli_i32); GEN_SPEOP_TCG_LOGIC_IMM2(evsrwiu, tcg_gen_shri_i32); GEN_SPEOP_TCG_LOGIC_IMM2(evsrwis, tcg_gen_sari_i32); GEN_SPEOP_TCG_LOGIC_IMM2(evrlwi, tcg_gen_rotli_i32); /* SPE arithmetic */ #if defined(TARGET_PPC64) #define GEN_SPEOP_ARITH1(name, tcg_op) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ TCGv_i32 t0 = tcg_temp_local_new_i32(); \ TCGv_i32 t1 = tcg_temp_local_new_i32(); \ TCGv_i64 t2 = tcg_temp_local_new_i64(); \ tcg_gen_trunc_i64_i32(t0, cpu_gpr[rA(ctx->opcode)]); \ tcg_op(t0, t0); \ tcg_gen_shri_i64(t2, cpu_gpr[rA(ctx->opcode)], 32); \ tcg_gen_trunc_i64_i32(t1, t2); \ tcg_temp_free_i64(t2); \ tcg_op(t1, t1); \ tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); \ tcg_temp_free_i32(t0); \ tcg_temp_free_i32(t1); \ } #else #define GEN_SPEOP_ARITH1(name, tcg_op) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); \ tcg_op(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)]); \ } #endif static always_inline void gen_op_evabs (TCGv_i32 ret, TCGv_i32 arg1) { int l1 = gen_new_label(); int l2 = gen_new_label(); tcg_gen_brcondi_i32(TCG_COND_GE, arg1, 0, l1); tcg_gen_neg_i32(ret, arg1); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_mov_i32(ret, arg1); gen_set_label(l2); } GEN_SPEOP_ARITH1(evabs, gen_op_evabs); GEN_SPEOP_ARITH1(evneg, tcg_gen_neg_i32); GEN_SPEOP_ARITH1(evextsb, tcg_gen_ext8s_i32); GEN_SPEOP_ARITH1(evextsh, tcg_gen_ext16s_i32); static always_inline void gen_op_evrndw (TCGv_i32 ret, TCGv_i32 arg1) { tcg_gen_addi_i32(ret, arg1, 0x8000); tcg_gen_ext16u_i32(ret, ret); } GEN_SPEOP_ARITH1(evrndw, gen_op_evrndw); GEN_SPEOP_ARITH1(evcntlsw, gen_helper_cntlsw32); GEN_SPEOP_ARITH1(evcntlzw, gen_helper_cntlzw32); #if defined(TARGET_PPC64) #define GEN_SPEOP_ARITH2(name, tcg_op) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ TCGv_i32 t0 = tcg_temp_local_new_i32(); \ TCGv_i32 t1 = tcg_temp_local_new_i32(); \ TCGv_i32 t2 = tcg_temp_local_new_i32(); \ TCGv_i64 t3 = tcg_temp_local_new(TCG_TYPE_I64); \ tcg_gen_trunc_i64_i32(t0, cpu_gpr[rA(ctx->opcode)]); \ tcg_gen_trunc_i64_i32(t2, cpu_gpr[rB(ctx->opcode)]); \ tcg_op(t0, t0, t2); \ tcg_gen_shri_i64(t3, cpu_gpr[rA(ctx->opcode)], 32); \ tcg_gen_trunc_i64_i32(t1, t3); \ tcg_gen_shri_i64(t3, cpu_gpr[rB(ctx->opcode)], 32); \ tcg_gen_trunc_i64_i32(t2, t3); \ tcg_temp_free_i64(t3); \ tcg_op(t1, t1, t2); \ tcg_temp_free_i32(t2); \ tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); \ tcg_temp_free_i32(t0); \ tcg_temp_free_i32(t1); \ } #else #define GEN_SPEOP_ARITH2(name, tcg_op) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \ cpu_gpr[rB(ctx->opcode)]); \ tcg_op(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], \ cpu_gprh[rB(ctx->opcode)]); \ } #endif static always_inline void gen_op_evsrwu (TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) { TCGv_i32 t0; int l1, l2; l1 = gen_new_label(); l2 = gen_new_label(); t0 = tcg_temp_local_new_i32(); /* No error here: 6 bits are used */ tcg_gen_andi_i32(t0, arg2, 0x3F); tcg_gen_brcondi_i32(TCG_COND_GE, t0, 32, l1); tcg_gen_shr_i32(ret, arg1, t0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_i32(ret, 0); tcg_gen_br(l2); tcg_temp_free_i32(t0); } GEN_SPEOP_ARITH2(evsrwu, gen_op_evsrwu); static always_inline void gen_op_evsrws (TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) { TCGv_i32 t0; int l1, l2; l1 = gen_new_label(); l2 = gen_new_label(); t0 = tcg_temp_local_new_i32(); /* No error here: 6 bits are used */ tcg_gen_andi_i32(t0, arg2, 0x3F); tcg_gen_brcondi_i32(TCG_COND_GE, t0, 32, l1); tcg_gen_sar_i32(ret, arg1, t0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_i32(ret, 0); tcg_gen_br(l2); tcg_temp_free_i32(t0); } GEN_SPEOP_ARITH2(evsrws, gen_op_evsrws); static always_inline void gen_op_evslw (TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) { TCGv_i32 t0; int l1, l2; l1 = gen_new_label(); l2 = gen_new_label(); t0 = tcg_temp_local_new_i32(); /* No error here: 6 bits are used */ tcg_gen_andi_i32(t0, arg2, 0x3F); tcg_gen_brcondi_i32(TCG_COND_GE, t0, 32, l1); tcg_gen_shl_i32(ret, arg1, t0); tcg_gen_br(l2); gen_set_label(l1); tcg_gen_movi_i32(ret, 0); tcg_gen_br(l2); tcg_temp_free_i32(t0); } GEN_SPEOP_ARITH2(evslw, gen_op_evslw); static always_inline void gen_op_evrlw (TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) { TCGv_i32 t0 = tcg_temp_new_i32(); tcg_gen_andi_i32(t0, arg2, 0x1F); tcg_gen_rotl_i32(ret, arg1, t0); tcg_temp_free_i32(t0); } GEN_SPEOP_ARITH2(evrlw, gen_op_evrlw); static always_inline void gen_evmergehi (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } #if defined(TARGET_PPC64) TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 32); tcg_gen_andi_tl(t1, cpu_gpr[rA(ctx->opcode)], 0xFFFFFFFF0000000ULL); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); #else tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], cpu_gprh[rB(ctx->opcode)]); tcg_gen_mov_i32(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)]); #endif } GEN_SPEOP_ARITH2(evaddw, tcg_gen_add_i32); static always_inline void gen_op_evsubf (TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2) { tcg_gen_sub_i32(ret, arg2, arg1); } GEN_SPEOP_ARITH2(evsubfw, gen_op_evsubf); /* SPE arithmetic immediate */ #if defined(TARGET_PPC64) #define GEN_SPEOP_ARITH_IMM2(name, tcg_op) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ TCGv_i32 t0 = tcg_temp_local_new_i32(); \ TCGv_i32 t1 = tcg_temp_local_new_i32(); \ TCGv_i64 t2 = tcg_temp_local_new_i64(); \ tcg_gen_trunc_i64_i32(t0, cpu_gpr[rB(ctx->opcode)]); \ tcg_op(t0, t0, rA(ctx->opcode)); \ tcg_gen_shri_i64(t2, cpu_gpr[rB(ctx->opcode)], 32); \ tcg_gen_trunc_i64_i32(t1, t2); \ tcg_temp_free_i64(t2); \ tcg_op(t1, t1, rA(ctx->opcode)); \ tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); \ tcg_temp_free_i32(t0); \ tcg_temp_free_i32(t1); \ } #else #define GEN_SPEOP_ARITH_IMM2(name, tcg_op) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ tcg_op(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ rA(ctx->opcode)); \ tcg_op(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rB(ctx->opcode)], \ rA(ctx->opcode)); \ } #endif GEN_SPEOP_ARITH_IMM2(evaddiw, tcg_gen_addi_i32); GEN_SPEOP_ARITH_IMM2(evsubifw, tcg_gen_subi_i32); /* SPE comparison */ #if defined(TARGET_PPC64) #define GEN_SPEOP_COMP(name, tcg_cond) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ int l1 = gen_new_label(); \ int l2 = gen_new_label(); \ int l3 = gen_new_label(); \ int l4 = gen_new_label(); \ TCGv_i32 t0 = tcg_temp_local_new_i32(); \ TCGv_i32 t1 = tcg_temp_local_new_i32(); \ TCGv_i64 t2 = tcg_temp_local_new_i64(); \ tcg_gen_trunc_i64_i32(t0, cpu_gpr[rA(ctx->opcode)]); \ tcg_gen_trunc_i64_i32(t1, cpu_gpr[rB(ctx->opcode)]); \ tcg_gen_brcond_i32(tcg_cond, t0, t1, l1); \ tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], 0); \ tcg_gen_br(l2); \ gen_set_label(l1); \ tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], \ CRF_CL | CRF_CH_OR_CL | CRF_CH_AND_CL); \ gen_set_label(l2); \ tcg_gen_shri_i64(t2, cpu_gpr[rA(ctx->opcode)], 32); \ tcg_gen_trunc_i64_i32(t0, t2); \ tcg_gen_shri_i64(t2, cpu_gpr[rB(ctx->opcode)], 32); \ tcg_gen_trunc_i64_i32(t1, t2); \ tcg_temp_free_i64(t2); \ tcg_gen_brcond_i32(tcg_cond, t0, t1, l3); \ tcg_gen_andi_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], \ ~(CRF_CH | CRF_CH_AND_CL)); \ tcg_gen_br(l4); \ gen_set_label(l3); \ tcg_gen_ori_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], \ CRF_CH | CRF_CH_OR_CL); \ gen_set_label(l4); \ tcg_temp_free_i32(t0); \ tcg_temp_free_i32(t1); \ } #else #define GEN_SPEOP_COMP(name, tcg_cond) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ int l1 = gen_new_label(); \ int l2 = gen_new_label(); \ int l3 = gen_new_label(); \ int l4 = gen_new_label(); \ \ tcg_gen_brcond_i32(tcg_cond, cpu_gpr[rA(ctx->opcode)], \ cpu_gpr[rB(ctx->opcode)], l1); \ tcg_gen_movi_tl(cpu_crf[crfD(ctx->opcode)], 0); \ tcg_gen_br(l2); \ gen_set_label(l1); \ tcg_gen_movi_i32(cpu_crf[crfD(ctx->opcode)], \ CRF_CL | CRF_CH_OR_CL | CRF_CH_AND_CL); \ gen_set_label(l2); \ tcg_gen_brcond_i32(tcg_cond, cpu_gprh[rA(ctx->opcode)], \ cpu_gprh[rB(ctx->opcode)], l3); \ tcg_gen_andi_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], \ ~(CRF_CH | CRF_CH_AND_CL)); \ tcg_gen_br(l4); \ gen_set_label(l3); \ tcg_gen_ori_i32(cpu_crf[crfD(ctx->opcode)], cpu_crf[crfD(ctx->opcode)], \ CRF_CH | CRF_CH_OR_CL); \ gen_set_label(l4); \ } #endif GEN_SPEOP_COMP(evcmpgtu, TCG_COND_GTU); GEN_SPEOP_COMP(evcmpgts, TCG_COND_GT); GEN_SPEOP_COMP(evcmpltu, TCG_COND_LTU); GEN_SPEOP_COMP(evcmplts, TCG_COND_LT); GEN_SPEOP_COMP(evcmpeq, TCG_COND_EQ); /* SPE misc */ static always_inline void gen_brinc (DisasContext *ctx) { /* Note: brinc is usable even if SPE is disabled */ gen_helper_brinc(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); } static always_inline void gen_evmergelo (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } #if defined(TARGET_PPC64) TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x00000000FFFFFFFFLL); tcg_gen_shli_tl(t1, cpu_gpr[rA(ctx->opcode)], 32); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); #else tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_gen_mov_i32(cpu_gprh[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); #endif } static always_inline void gen_evmergehilo (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } #if defined(TARGET_PPC64) TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x00000000FFFFFFFFLL); tcg_gen_andi_tl(t1, cpu_gpr[rA(ctx->opcode)], 0xFFFFFFFF0000000ULL); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); #else tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); tcg_gen_mov_i32(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)]); #endif } static always_inline void gen_evmergelohi (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } #if defined(TARGET_PPC64) TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rB(ctx->opcode)], 32); tcg_gen_shli_tl(t1, cpu_gpr[rA(ctx->opcode)], 32); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], t0, t1); tcg_temp_free(t0); tcg_temp_free(t1); #else tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], cpu_gprh[rB(ctx->opcode)]); tcg_gen_mov_i32(cpu_gprh[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); #endif } static always_inline void gen_evsplati (DisasContext *ctx) { uint64_t imm = ((int32_t)(rA(ctx->opcode) << 11)) >> 27; #if defined(TARGET_PPC64) tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], (imm << 32) | imm); #else tcg_gen_movi_i32(cpu_gpr[rD(ctx->opcode)], imm); tcg_gen_movi_i32(cpu_gprh[rD(ctx->opcode)], imm); #endif } static always_inline void gen_evsplatfi (DisasContext *ctx) { uint64_t imm = rA(ctx->opcode) << 11; #if defined(TARGET_PPC64) tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], (imm << 32) | imm); #else tcg_gen_movi_i32(cpu_gpr[rD(ctx->opcode)], imm); tcg_gen_movi_i32(cpu_gprh[rD(ctx->opcode)], imm); #endif } static always_inline void gen_evsel (DisasContext *ctx) { int l1 = gen_new_label(); int l2 = gen_new_label(); int l3 = gen_new_label(); int l4 = gen_new_label(); TCGv_i32 t0 = tcg_temp_local_new_i32(); #if defined(TARGET_PPC64) TCGv t1 = tcg_temp_local_new(); TCGv t2 = tcg_temp_local_new(); #endif tcg_gen_andi_i32(t0, cpu_crf[ctx->opcode & 0x07], 1 << 3); tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1); #if defined(TARGET_PPC64) tcg_gen_andi_tl(t1, cpu_gpr[rA(ctx->opcode)], 0xFFFFFFFF00000000ULL); #else tcg_gen_mov_tl(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rA(ctx->opcode)]); #endif tcg_gen_br(l2); gen_set_label(l1); #if defined(TARGET_PPC64) tcg_gen_andi_tl(t1, cpu_gpr[rB(ctx->opcode)], 0xFFFFFFFF00000000ULL); #else tcg_gen_mov_tl(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rB(ctx->opcode)]); #endif gen_set_label(l2); tcg_gen_andi_i32(t0, cpu_crf[ctx->opcode & 0x07], 1 << 2); tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l3); #if defined(TARGET_PPC64) tcg_gen_andi_tl(t2, cpu_gpr[rA(ctx->opcode)], 0x00000000FFFFFFFFULL); #else tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); #endif tcg_gen_br(l4); gen_set_label(l3); #if defined(TARGET_PPC64) tcg_gen_andi_tl(t2, cpu_gpr[rB(ctx->opcode)], 0x00000000FFFFFFFFULL); #else tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); #endif gen_set_label(l4); tcg_temp_free_i32(t0); #if defined(TARGET_PPC64) tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], t1, t2); tcg_temp_free(t1); tcg_temp_free(t2); #endif } GEN_HANDLER2(evsel0, "evsel", 0x04, 0x1c, 0x09, 0x00000000, PPC_SPE) { gen_evsel(ctx); } GEN_HANDLER2(evsel1, "evsel", 0x04, 0x1d, 0x09, 0x00000000, PPC_SPE) { gen_evsel(ctx); } GEN_HANDLER2(evsel2, "evsel", 0x04, 0x1e, 0x09, 0x00000000, PPC_SPE) { gen_evsel(ctx); } GEN_HANDLER2(evsel3, "evsel", 0x04, 0x1f, 0x09, 0x00000000, PPC_SPE) { gen_evsel(ctx); } GEN_SPE(evaddw, speundef, 0x00, 0x08, 0x00000000, PPC_SPE); //// GEN_SPE(evaddiw, speundef, 0x01, 0x08, 0x00000000, PPC_SPE); GEN_SPE(evsubfw, speundef, 0x02, 0x08, 0x00000000, PPC_SPE); //// GEN_SPE(evsubifw, speundef, 0x03, 0x08, 0x00000000, PPC_SPE); GEN_SPE(evabs, evneg, 0x04, 0x08, 0x0000F800, PPC_SPE); //// GEN_SPE(evextsb, evextsh, 0x05, 0x08, 0x0000F800, PPC_SPE); //// GEN_SPE(evrndw, evcntlzw, 0x06, 0x08, 0x0000F800, PPC_SPE); //// GEN_SPE(evcntlsw, brinc, 0x07, 0x08, 0x00000000, PPC_SPE); // GEN_SPE(speundef, evand, 0x08, 0x08, 0x00000000, PPC_SPE); //// GEN_SPE(evandc, speundef, 0x09, 0x08, 0x00000000, PPC_SPE); //// GEN_SPE(evxor, evor, 0x0B, 0x08, 0x00000000, PPC_SPE); //// GEN_SPE(evnor, eveqv, 0x0C, 0x08, 0x00000000, PPC_SPE); //// GEN_SPE(speundef, evorc, 0x0D, 0x08, 0x00000000, PPC_SPE); //// GEN_SPE(evnand, speundef, 0x0F, 0x08, 0x00000000, PPC_SPE); //// GEN_SPE(evsrwu, evsrws, 0x10, 0x08, 0x00000000, PPC_SPE); //// GEN_SPE(evsrwiu, evsrwis, 0x11, 0x08, 0x00000000, PPC_SPE); GEN_SPE(evslw, speundef, 0x12, 0x08, 0x00000000, PPC_SPE); //// GEN_SPE(evslwi, speundef, 0x13, 0x08, 0x00000000, PPC_SPE); GEN_SPE(evrlw, evsplati, 0x14, 0x08, 0x00000000, PPC_SPE); // GEN_SPE(evrlwi, evsplatfi, 0x15, 0x08, 0x00000000, PPC_SPE); GEN_SPE(evmergehi, evmergelo, 0x16, 0x08, 0x00000000, PPC_SPE); //// GEN_SPE(evmergehilo, evmergelohi, 0x17, 0x08, 0x00000000, PPC_SPE); //// GEN_SPE(evcmpgtu, evcmpgts, 0x18, 0x08, 0x00600000, PPC_SPE); //// GEN_SPE(evcmpltu, evcmplts, 0x19, 0x08, 0x00600000, PPC_SPE); //// GEN_SPE(evcmpeq, speundef, 0x1A, 0x08, 0x00600000, PPC_SPE); //// /* SPE load and stores */ static always_inline void gen_addr_spe_imm_index (DisasContext *ctx, TCGv EA, int sh) { target_ulong uimm = rB(ctx->opcode); if (rA(ctx->opcode) == 0) { tcg_gen_movi_tl(EA, uimm << sh); } else { tcg_gen_addi_tl(EA, cpu_gpr[rA(ctx->opcode)], uimm << sh); #if defined(TARGET_PPC64) if (!ctx->sf_mode) { tcg_gen_ext32u_tl(EA, EA); } #endif } } static always_inline void gen_op_evldd(DisasContext *ctx, TCGv addr) { #if defined(TARGET_PPC64) gen_qemu_ld64(ctx, cpu_gpr[rD(ctx->opcode)], addr); #else TCGv_i64 t0 = tcg_temp_new_i64(); gen_qemu_ld64(ctx, t0, addr); tcg_gen_trunc_i64_i32(cpu_gpr[rD(ctx->opcode)], t0); tcg_gen_shri_i64(t0, t0, 32); tcg_gen_trunc_i64_i32(cpu_gprh[rD(ctx->opcode)], t0); tcg_temp_free_i64(t0); #endif } static always_inline void gen_op_evldw(DisasContext *ctx, TCGv addr) { #if defined(TARGET_PPC64) TCGv t0 = tcg_temp_new(); gen_qemu_ld32u(ctx, t0, addr); tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 32); gen_addr_add(ctx, addr, addr, 4); gen_qemu_ld32u(ctx, t0, addr); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); #else gen_qemu_ld32u(ctx, cpu_gprh[rD(ctx->opcode)], addr); gen_addr_add(ctx, addr, addr, 4); gen_qemu_ld32u(ctx, cpu_gpr[rD(ctx->opcode)], addr); #endif } static always_inline void gen_op_evldh(DisasContext *ctx, TCGv addr) { TCGv t0 = tcg_temp_new(); #if defined(TARGET_PPC64) gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 48); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(t0, t0, 32); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(t0, t0, 16); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16u(ctx, t0, addr); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); #else gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(cpu_gprh[rD(ctx->opcode)], t0, 16); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16u(ctx, t0, addr); tcg_gen_or_tl(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rD(ctx->opcode)], t0); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(cpu_gprh[rD(ctx->opcode)], t0, 16); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16u(ctx, t0, addr); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); #endif tcg_temp_free(t0); } static always_inline void gen_op_evlhhesplat(DisasContext *ctx, TCGv addr) { TCGv t0 = tcg_temp_new(); gen_qemu_ld16u(ctx, t0, addr); #if defined(TARGET_PPC64) tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 48); tcg_gen_shli_tl(t0, t0, 16); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); #else tcg_gen_shli_tl(t0, t0, 16); tcg_gen_mov_tl(cpu_gprh[rD(ctx->opcode)], t0); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0); #endif tcg_temp_free(t0); } static always_inline void gen_op_evlhhousplat(DisasContext *ctx, TCGv addr) { TCGv t0 = tcg_temp_new(); gen_qemu_ld16u(ctx, t0, addr); #if defined(TARGET_PPC64) tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 32); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); #else tcg_gen_mov_tl(cpu_gprh[rD(ctx->opcode)], t0); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0); #endif tcg_temp_free(t0); } static always_inline void gen_op_evlhhossplat(DisasContext *ctx, TCGv addr) { TCGv t0 = tcg_temp_new(); gen_qemu_ld16s(ctx, t0, addr); #if defined(TARGET_PPC64) tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 32); tcg_gen_ext32u_tl(t0, t0); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); #else tcg_gen_mov_tl(cpu_gprh[rD(ctx->opcode)], t0); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0); #endif tcg_temp_free(t0); } static always_inline void gen_op_evlwhe(DisasContext *ctx, TCGv addr) { TCGv t0 = tcg_temp_new(); #if defined(TARGET_PPC64) gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 48); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(t0, t0, 16); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); #else gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(cpu_gprh[rD(ctx->opcode)], t0, 16); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 16); #endif tcg_temp_free(t0); } static always_inline void gen_op_evlwhou(DisasContext *ctx, TCGv addr) { #if defined(TARGET_PPC64) TCGv t0 = tcg_temp_new(); gen_qemu_ld16u(ctx, cpu_gpr[rD(ctx->opcode)], addr); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(t0, t0, 32); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); #else gen_qemu_ld16u(ctx, cpu_gprh[rD(ctx->opcode)], addr); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16u(ctx, cpu_gpr[rD(ctx->opcode)], addr); #endif } static always_inline void gen_op_evlwhos(DisasContext *ctx, TCGv addr) { #if defined(TARGET_PPC64) TCGv t0 = tcg_temp_new(); gen_qemu_ld16s(ctx, t0, addr); tcg_gen_ext32u_tl(cpu_gpr[rD(ctx->opcode)], t0); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16s(ctx, t0, addr); tcg_gen_shli_tl(t0, t0, 32); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); tcg_temp_free(t0); #else gen_qemu_ld16s(ctx, cpu_gprh[rD(ctx->opcode)], addr); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16s(ctx, cpu_gpr[rD(ctx->opcode)], addr); #endif } static always_inline void gen_op_evlwwsplat(DisasContext *ctx, TCGv addr) { TCGv t0 = tcg_temp_new(); gen_qemu_ld32u(ctx, t0, addr); #if defined(TARGET_PPC64) tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 32); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); #else tcg_gen_mov_tl(cpu_gprh[rD(ctx->opcode)], t0); tcg_gen_mov_tl(cpu_gpr[rD(ctx->opcode)], t0); #endif tcg_temp_free(t0); } static always_inline void gen_op_evlwhsplat(DisasContext *ctx, TCGv addr) { TCGv t0 = tcg_temp_new(); #if defined(TARGET_PPC64) gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 48); tcg_gen_shli_tl(t0, t0, 32); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16u(ctx, t0, addr); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); tcg_gen_shli_tl(t0, t0, 16); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t0); #else gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(cpu_gprh[rD(ctx->opcode)], t0, 16); tcg_gen_or_tl(cpu_gprh[rD(ctx->opcode)], cpu_gprh[rD(ctx->opcode)], t0); gen_addr_add(ctx, addr, addr, 2); gen_qemu_ld16u(ctx, t0, addr); tcg_gen_shli_tl(cpu_gpr[rD(ctx->opcode)], t0, 16); tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gprh[rD(ctx->opcode)], t0); #endif tcg_temp_free(t0); } static always_inline void gen_op_evstdd(DisasContext *ctx, TCGv addr) { #if defined(TARGET_PPC64) gen_qemu_st64(ctx, cpu_gpr[rS(ctx->opcode)], addr); #else TCGv_i64 t0 = tcg_temp_new_i64(); tcg_gen_concat_i32_i64(t0, cpu_gpr[rS(ctx->opcode)], cpu_gprh[rS(ctx->opcode)]); gen_qemu_st64(ctx, t0, addr); tcg_temp_free_i64(t0); #endif } static always_inline void gen_op_evstdw(DisasContext *ctx, TCGv addr) { #if defined(TARGET_PPC64) TCGv t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 32); gen_qemu_st32(ctx, t0, addr); tcg_temp_free(t0); #else gen_qemu_st32(ctx, cpu_gprh[rS(ctx->opcode)], addr); #endif gen_addr_add(ctx, addr, addr, 4); gen_qemu_st32(ctx, cpu_gpr[rS(ctx->opcode)], addr); } static always_inline void gen_op_evstdh(DisasContext *ctx, TCGv addr) { TCGv t0 = tcg_temp_new(); #if defined(TARGET_PPC64) tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 48); #else tcg_gen_shri_tl(t0, cpu_gprh[rS(ctx->opcode)], 16); #endif gen_qemu_st16(ctx, t0, addr); gen_addr_add(ctx, addr, addr, 2); #if defined(TARGET_PPC64) tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 32); gen_qemu_st16(ctx, t0, addr); #else gen_qemu_st16(ctx, cpu_gprh[rS(ctx->opcode)], addr); #endif gen_addr_add(ctx, addr, addr, 2); tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 16); gen_qemu_st16(ctx, t0, addr); tcg_temp_free(t0); gen_addr_add(ctx, addr, addr, 2); gen_qemu_st16(ctx, cpu_gpr[rS(ctx->opcode)], addr); } static always_inline void gen_op_evstwhe(DisasContext *ctx, TCGv addr) { TCGv t0 = tcg_temp_new(); #if defined(TARGET_PPC64) tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 48); #else tcg_gen_shri_tl(t0, cpu_gprh[rS(ctx->opcode)], 16); #endif gen_qemu_st16(ctx, t0, addr); gen_addr_add(ctx, addr, addr, 2); tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 16); gen_qemu_st16(ctx, t0, addr); tcg_temp_free(t0); } static always_inline void gen_op_evstwho(DisasContext *ctx, TCGv addr) { #if defined(TARGET_PPC64) TCGv t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 32); gen_qemu_st16(ctx, t0, addr); tcg_temp_free(t0); #else gen_qemu_st16(ctx, cpu_gprh[rS(ctx->opcode)], addr); #endif gen_addr_add(ctx, addr, addr, 2); gen_qemu_st16(ctx, cpu_gpr[rS(ctx->opcode)], addr); } static always_inline void gen_op_evstwwe(DisasContext *ctx, TCGv addr) { #if defined(TARGET_PPC64) TCGv t0 = tcg_temp_new(); tcg_gen_shri_tl(t0, cpu_gpr[rS(ctx->opcode)], 32); gen_qemu_st32(ctx, t0, addr); tcg_temp_free(t0); #else gen_qemu_st32(ctx, cpu_gprh[rS(ctx->opcode)], addr); #endif } static always_inline void gen_op_evstwwo(DisasContext *ctx, TCGv addr) { gen_qemu_st32(ctx, cpu_gpr[rS(ctx->opcode)], addr); } #define GEN_SPEOP_LDST(name, opc2, sh) \ GEN_HANDLER(name, 0x04, opc2, 0x0C, 0x00000000, PPC_SPE) \ { \ TCGv t0; \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ t0 = tcg_temp_new(); \ if (Rc(ctx->opcode)) { \ gen_addr_spe_imm_index(ctx, t0, sh); \ } else { \ gen_addr_reg_index(ctx, t0); \ } \ gen_op_##name(ctx, t0); \ tcg_temp_free(t0); \ } GEN_SPEOP_LDST(evldd, 0x00, 3); GEN_SPEOP_LDST(evldw, 0x01, 3); GEN_SPEOP_LDST(evldh, 0x02, 3); GEN_SPEOP_LDST(evlhhesplat, 0x04, 1); GEN_SPEOP_LDST(evlhhousplat, 0x06, 1); GEN_SPEOP_LDST(evlhhossplat, 0x07, 1); GEN_SPEOP_LDST(evlwhe, 0x08, 2); GEN_SPEOP_LDST(evlwhou, 0x0A, 2); GEN_SPEOP_LDST(evlwhos, 0x0B, 2); GEN_SPEOP_LDST(evlwwsplat, 0x0C, 2); GEN_SPEOP_LDST(evlwhsplat, 0x0E, 2); GEN_SPEOP_LDST(evstdd, 0x10, 3); GEN_SPEOP_LDST(evstdw, 0x11, 3); GEN_SPEOP_LDST(evstdh, 0x12, 3); GEN_SPEOP_LDST(evstwhe, 0x18, 2); GEN_SPEOP_LDST(evstwho, 0x1A, 2); GEN_SPEOP_LDST(evstwwe, 0x1C, 2); GEN_SPEOP_LDST(evstwwo, 0x1E, 2); /* Multiply and add - TODO */ #if 0 GEN_SPE(speundef, evmhessf, 0x01, 0x10, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhossf, 0x03, 0x10, 0x00000000, PPC_SPE); GEN_SPE(evmheumi, evmhesmi, 0x04, 0x10, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhesmf, 0x05, 0x10, 0x00000000, PPC_SPE); GEN_SPE(evmhoumi, evmhosmi, 0x06, 0x10, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhosmf, 0x07, 0x10, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhessfa, 0x11, 0x10, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhossfa, 0x13, 0x10, 0x00000000, PPC_SPE); GEN_SPE(evmheumia, evmhesmia, 0x14, 0x10, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhesmfa, 0x15, 0x10, 0x00000000, PPC_SPE); GEN_SPE(evmhoumia, evmhosmia, 0x16, 0x10, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhosmfa, 0x17, 0x10, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmwhssf, 0x03, 0x11, 0x00000000, PPC_SPE); GEN_SPE(evmwlumi, speundef, 0x04, 0x11, 0x00000000, PPC_SPE); GEN_SPE(evmwhumi, evmwhsmi, 0x06, 0x11, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmwhsmf, 0x07, 0x11, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmwssf, 0x09, 0x11, 0x00000000, PPC_SPE); GEN_SPE(evmwumi, evmwsmi, 0x0C, 0x11, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmwsmf, 0x0D, 0x11, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmwhssfa, 0x13, 0x11, 0x00000000, PPC_SPE); GEN_SPE(evmwlumia, speundef, 0x14, 0x11, 0x00000000, PPC_SPE); GEN_SPE(evmwhumia, evmwhsmia, 0x16, 0x11, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmwhsmfa, 0x17, 0x11, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmwssfa, 0x19, 0x11, 0x00000000, PPC_SPE); GEN_SPE(evmwumia, evmwsmia, 0x1C, 0x11, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmwsmfa, 0x1D, 0x11, 0x00000000, PPC_SPE); GEN_SPE(evadduiaaw, evaddsiaaw, 0x00, 0x13, 0x0000F800, PPC_SPE); GEN_SPE(evsubfusiaaw, evsubfssiaaw, 0x01, 0x13, 0x0000F800, PPC_SPE); GEN_SPE(evaddumiaaw, evaddsmiaaw, 0x04, 0x13, 0x0000F800, PPC_SPE); GEN_SPE(evsubfumiaaw, evsubfsmiaaw, 0x05, 0x13, 0x0000F800, PPC_SPE); GEN_SPE(evdivws, evdivwu, 0x06, 0x13, 0x00000000, PPC_SPE); GEN_SPE(evmra, speundef, 0x07, 0x13, 0x0000F800, PPC_SPE); GEN_SPE(evmheusiaaw, evmhessiaaw, 0x00, 0x14, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhessfaaw, 0x01, 0x14, 0x00000000, PPC_SPE); GEN_SPE(evmhousiaaw, evmhossiaaw, 0x02, 0x14, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhossfaaw, 0x03, 0x14, 0x00000000, PPC_SPE); GEN_SPE(evmheumiaaw, evmhesmiaaw, 0x04, 0x14, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhesmfaaw, 0x05, 0x14, 0x00000000, PPC_SPE); GEN_SPE(evmhoumiaaw, evmhosmiaaw, 0x06, 0x14, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhosmfaaw, 0x07, 0x14, 0x00000000, PPC_SPE); GEN_SPE(evmhegumiaa, evmhegsmiaa, 0x14, 0x14, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhegsmfaa, 0x15, 0x14, 0x00000000, PPC_SPE); GEN_SPE(evmhogumiaa, evmhogsmiaa, 0x16, 0x14, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhogsmfaa, 0x17, 0x14, 0x00000000, PPC_SPE); GEN_SPE(evmwlusiaaw, evmwlssiaaw, 0x00, 0x15, 0x00000000, PPC_SPE); GEN_SPE(evmwlumiaaw, evmwlsmiaaw, 0x04, 0x15, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmwssfaa, 0x09, 0x15, 0x00000000, PPC_SPE); GEN_SPE(evmwumiaa, evmwsmiaa, 0x0C, 0x15, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmwsmfaa, 0x0D, 0x15, 0x00000000, PPC_SPE); GEN_SPE(evmheusianw, evmhessianw, 0x00, 0x16, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhessfanw, 0x01, 0x16, 0x00000000, PPC_SPE); GEN_SPE(evmhousianw, evmhossianw, 0x02, 0x16, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhossfanw, 0x03, 0x16, 0x00000000, PPC_SPE); GEN_SPE(evmheumianw, evmhesmianw, 0x04, 0x16, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhesmfanw, 0x05, 0x16, 0x00000000, PPC_SPE); GEN_SPE(evmhoumianw, evmhosmianw, 0x06, 0x16, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhosmfanw, 0x07, 0x16, 0x00000000, PPC_SPE); GEN_SPE(evmhegumian, evmhegsmian, 0x14, 0x16, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhegsmfan, 0x15, 0x16, 0x00000000, PPC_SPE); GEN_SPE(evmhigumian, evmhigsmian, 0x16, 0x16, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmhogsmfan, 0x17, 0x16, 0x00000000, PPC_SPE); GEN_SPE(evmwlusianw, evmwlssianw, 0x00, 0x17, 0x00000000, PPC_SPE); GEN_SPE(evmwlumianw, evmwlsmianw, 0x04, 0x17, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmwssfan, 0x09, 0x17, 0x00000000, PPC_SPE); GEN_SPE(evmwumian, evmwsmian, 0x0C, 0x17, 0x00000000, PPC_SPE); GEN_SPE(speundef, evmwsmfan, 0x0D, 0x17, 0x00000000, PPC_SPE); #endif /*** SPE floating-point extension ***/ #if defined(TARGET_PPC64) #define GEN_SPEFPUOP_CONV_32_32(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ TCGv_i32 t0; \ TCGv t1; \ t0 = tcg_temp_new_i32(); \ tcg_gen_trunc_tl_i32(t0, cpu_gpr[rB(ctx->opcode)]); \ gen_helper_##name(t0, t0); \ t1 = tcg_temp_new(); \ tcg_gen_extu_i32_tl(t1, t0); \ tcg_temp_free_i32(t0); \ tcg_gen_andi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], \ 0xFFFFFFFF00000000ULL); \ tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t1); \ tcg_temp_free(t1); \ } #define GEN_SPEFPUOP_CONV_32_64(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ TCGv_i32 t0; \ TCGv t1; \ t0 = tcg_temp_new_i32(); \ gen_helper_##name(t0, cpu_gpr[rB(ctx->opcode)]); \ t1 = tcg_temp_new(); \ tcg_gen_extu_i32_tl(t1, t0); \ tcg_temp_free_i32(t0); \ tcg_gen_andi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], \ 0xFFFFFFFF00000000ULL); \ tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t1); \ tcg_temp_free(t1); \ } #define GEN_SPEFPUOP_CONV_64_32(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ TCGv_i32 t0 = tcg_temp_new_i32(); \ tcg_gen_trunc_tl_i32(t0, cpu_gpr[rB(ctx->opcode)]); \ gen_helper_##name(cpu_gpr[rD(ctx->opcode)], t0); \ tcg_temp_free_i32(t0); \ } #define GEN_SPEFPUOP_CONV_64_64(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ gen_helper_##name(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \ } #define GEN_SPEFPUOP_ARITH2_32_32(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ TCGv_i32 t0, t1; \ TCGv_i64 t2; \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ t0 = tcg_temp_new_i32(); \ t1 = tcg_temp_new_i32(); \ tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); \ tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); \ gen_helper_##name(t0, t0, t1); \ tcg_temp_free_i32(t1); \ t2 = tcg_temp_new(); \ tcg_gen_extu_i32_tl(t2, t0); \ tcg_temp_free_i32(t0); \ tcg_gen_andi_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], \ 0xFFFFFFFF00000000ULL); \ tcg_gen_or_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)], t2); \ tcg_temp_free(t2); \ } #define GEN_SPEFPUOP_ARITH2_64_64(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ gen_helper_##name(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], \ cpu_gpr[rB(ctx->opcode)]); \ } #define GEN_SPEFPUOP_COMP_32(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ TCGv_i32 t0, t1; \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ t0 = tcg_temp_new_i32(); \ t1 = tcg_temp_new_i32(); \ tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); \ tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); \ gen_helper_##name(cpu_crf[crfD(ctx->opcode)], t0, t1); \ tcg_temp_free_i32(t0); \ tcg_temp_free_i32(t1); \ } #define GEN_SPEFPUOP_COMP_64(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ gen_helper_##name(cpu_crf[crfD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \ } #else #define GEN_SPEFPUOP_CONV_32_32(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ gen_helper_##name(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \ } #define GEN_SPEFPUOP_CONV_32_64(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ TCGv_i64 t0 = tcg_temp_new_i64(); \ gen_load_gpr64(t0, rB(ctx->opcode)); \ gen_helper_##name(cpu_gpr[rD(ctx->opcode)], t0); \ tcg_temp_free_i64(t0); \ } #define GEN_SPEFPUOP_CONV_64_32(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ TCGv_i64 t0 = tcg_temp_new_i64(); \ gen_helper_##name(t0, cpu_gpr[rB(ctx->opcode)]); \ gen_store_gpr64(rD(ctx->opcode), t0); \ tcg_temp_free_i64(t0); \ } #define GEN_SPEFPUOP_CONV_64_64(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ TCGv_i64 t0 = tcg_temp_new_i64(); \ gen_load_gpr64(t0, rB(ctx->opcode)); \ gen_helper_##name(t0, t0); \ gen_store_gpr64(rD(ctx->opcode), t0); \ tcg_temp_free_i64(t0); \ } #define GEN_SPEFPUOP_ARITH2_32_32(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ gen_helper_##name(cpu_gpr[rD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \ } #define GEN_SPEFPUOP_ARITH2_64_64(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ TCGv_i64 t0, t1; \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ t0 = tcg_temp_new_i64(); \ t1 = tcg_temp_new_i64(); \ gen_load_gpr64(t0, rA(ctx->opcode)); \ gen_load_gpr64(t1, rB(ctx->opcode)); \ gen_helper_##name(t0, t0, t1); \ gen_store_gpr64(rD(ctx->opcode), t0); \ tcg_temp_free_i64(t0); \ tcg_temp_free_i64(t1); \ } #define GEN_SPEFPUOP_COMP_32(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ gen_helper_##name(cpu_crf[crfD(ctx->opcode)], \ cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); \ } #define GEN_SPEFPUOP_COMP_64(name) \ static always_inline void gen_##name (DisasContext *ctx) \ { \ TCGv_i64 t0, t1; \ if (unlikely(!ctx->spe_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_APU); \ return; \ } \ t0 = tcg_temp_new_i64(); \ t1 = tcg_temp_new_i64(); \ gen_load_gpr64(t0, rA(ctx->opcode)); \ gen_load_gpr64(t1, rB(ctx->opcode)); \ gen_helper_##name(cpu_crf[crfD(ctx->opcode)], t0, t1); \ tcg_temp_free_i64(t0); \ tcg_temp_free_i64(t1); \ } #endif /* Single precision floating-point vectors operations */ /* Arithmetic */ GEN_SPEFPUOP_ARITH2_64_64(evfsadd); GEN_SPEFPUOP_ARITH2_64_64(evfssub); GEN_SPEFPUOP_ARITH2_64_64(evfsmul); GEN_SPEFPUOP_ARITH2_64_64(evfsdiv); static always_inline void gen_evfsabs (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } #if defined(TARGET_PPC64) tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~0x8000000080000000LL); #else tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~0x80000000); tcg_gen_andi_tl(cpu_gprh[rA(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], ~0x80000000); #endif } static always_inline void gen_evfsnabs (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } #if defined(TARGET_PPC64) tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x8000000080000000LL); #else tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x80000000); tcg_gen_ori_tl(cpu_gprh[rA(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], 0x80000000); #endif } static always_inline void gen_evfsneg (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } #if defined(TARGET_PPC64) tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x8000000080000000LL); #else tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x80000000); tcg_gen_xori_tl(cpu_gprh[rA(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], 0x80000000); #endif } /* Conversion */ GEN_SPEFPUOP_CONV_64_64(evfscfui); GEN_SPEFPUOP_CONV_64_64(evfscfsi); GEN_SPEFPUOP_CONV_64_64(evfscfuf); GEN_SPEFPUOP_CONV_64_64(evfscfsf); GEN_SPEFPUOP_CONV_64_64(evfsctui); GEN_SPEFPUOP_CONV_64_64(evfsctsi); GEN_SPEFPUOP_CONV_64_64(evfsctuf); GEN_SPEFPUOP_CONV_64_64(evfsctsf); GEN_SPEFPUOP_CONV_64_64(evfsctuiz); GEN_SPEFPUOP_CONV_64_64(evfsctsiz); /* Comparison */ GEN_SPEFPUOP_COMP_64(evfscmpgt); GEN_SPEFPUOP_COMP_64(evfscmplt); GEN_SPEFPUOP_COMP_64(evfscmpeq); GEN_SPEFPUOP_COMP_64(evfststgt); GEN_SPEFPUOP_COMP_64(evfststlt); GEN_SPEFPUOP_COMP_64(evfststeq); /* Opcodes definitions */ GEN_SPE(evfsadd, evfssub, 0x00, 0x0A, 0x00000000, PPC_SPEFPU); // GEN_SPE(evfsabs, evfsnabs, 0x02, 0x0A, 0x0000F800, PPC_SPEFPU); // GEN_SPE(evfsneg, speundef, 0x03, 0x0A, 0x0000F800, PPC_SPEFPU); // GEN_SPE(evfsmul, evfsdiv, 0x04, 0x0A, 0x00000000, PPC_SPEFPU); // GEN_SPE(evfscmpgt, evfscmplt, 0x06, 0x0A, 0x00600000, PPC_SPEFPU); // GEN_SPE(evfscmpeq, speundef, 0x07, 0x0A, 0x00600000, PPC_SPEFPU); // GEN_SPE(evfscfui, evfscfsi, 0x08, 0x0A, 0x00180000, PPC_SPEFPU); // GEN_SPE(evfscfuf, evfscfsf, 0x09, 0x0A, 0x00180000, PPC_SPEFPU); // GEN_SPE(evfsctui, evfsctsi, 0x0A, 0x0A, 0x00180000, PPC_SPEFPU); // GEN_SPE(evfsctuf, evfsctsf, 0x0B, 0x0A, 0x00180000, PPC_SPEFPU); // GEN_SPE(evfsctuiz, speundef, 0x0C, 0x0A, 0x00180000, PPC_SPEFPU); // GEN_SPE(evfsctsiz, speundef, 0x0D, 0x0A, 0x00180000, PPC_SPEFPU); // GEN_SPE(evfststgt, evfststlt, 0x0E, 0x0A, 0x00600000, PPC_SPEFPU); // GEN_SPE(evfststeq, speundef, 0x0F, 0x0A, 0x00600000, PPC_SPEFPU); // /* Single precision floating-point operations */ /* Arithmetic */ GEN_SPEFPUOP_ARITH2_32_32(efsadd); GEN_SPEFPUOP_ARITH2_32_32(efssub); GEN_SPEFPUOP_ARITH2_32_32(efsmul); GEN_SPEFPUOP_ARITH2_32_32(efsdiv); static always_inline void gen_efsabs (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], (target_long)~0x80000000LL); } static always_inline void gen_efsnabs (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x80000000); } static always_inline void gen_efsneg (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x80000000); } /* Conversion */ GEN_SPEFPUOP_CONV_32_32(efscfui); GEN_SPEFPUOP_CONV_32_32(efscfsi); GEN_SPEFPUOP_CONV_32_32(efscfuf); GEN_SPEFPUOP_CONV_32_32(efscfsf); GEN_SPEFPUOP_CONV_32_32(efsctui); GEN_SPEFPUOP_CONV_32_32(efsctsi); GEN_SPEFPUOP_CONV_32_32(efsctuf); GEN_SPEFPUOP_CONV_32_32(efsctsf); GEN_SPEFPUOP_CONV_32_32(efsctuiz); GEN_SPEFPUOP_CONV_32_32(efsctsiz); GEN_SPEFPUOP_CONV_32_64(efscfd); /* Comparison */ GEN_SPEFPUOP_COMP_32(efscmpgt); GEN_SPEFPUOP_COMP_32(efscmplt); GEN_SPEFPUOP_COMP_32(efscmpeq); GEN_SPEFPUOP_COMP_32(efststgt); GEN_SPEFPUOP_COMP_32(efststlt); GEN_SPEFPUOP_COMP_32(efststeq); /* Opcodes definitions */ GEN_SPE(efsadd, efssub, 0x00, 0x0B, 0x00000000, PPC_SPEFPU); // GEN_SPE(efsabs, efsnabs, 0x02, 0x0B, 0x0000F800, PPC_SPEFPU); // GEN_SPE(efsneg, speundef, 0x03, 0x0B, 0x0000F800, PPC_SPEFPU); // GEN_SPE(efsmul, efsdiv, 0x04, 0x0B, 0x00000000, PPC_SPEFPU); // GEN_SPE(efscmpgt, efscmplt, 0x06, 0x0B, 0x00600000, PPC_SPEFPU); // GEN_SPE(efscmpeq, efscfd, 0x07, 0x0B, 0x00600000, PPC_SPEFPU); // GEN_SPE(efscfui, efscfsi, 0x08, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efscfuf, efscfsf, 0x09, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efsctui, efsctsi, 0x0A, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efsctuf, efsctsf, 0x0B, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efsctuiz, speundef, 0x0C, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efsctsiz, speundef, 0x0D, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efststgt, efststlt, 0x0E, 0x0B, 0x00600000, PPC_SPEFPU); // GEN_SPE(efststeq, speundef, 0x0F, 0x0B, 0x00600000, PPC_SPEFPU); // /* Double precision floating-point operations */ /* Arithmetic */ GEN_SPEFPUOP_ARITH2_64_64(efdadd); GEN_SPEFPUOP_ARITH2_64_64(efdsub); GEN_SPEFPUOP_ARITH2_64_64(efdmul); GEN_SPEFPUOP_ARITH2_64_64(efddiv); static always_inline void gen_efdabs (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } #if defined(TARGET_PPC64) tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], ~0x8000000000000000LL); #else tcg_gen_andi_tl(cpu_gprh[rA(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], ~0x80000000); #endif } static always_inline void gen_efdnabs (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } #if defined(TARGET_PPC64) tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x8000000000000000LL); #else tcg_gen_ori_tl(cpu_gprh[rA(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], 0x80000000); #endif } static always_inline void gen_efdneg (DisasContext *ctx) { if (unlikely(!ctx->spe_enabled)) { gen_exception(ctx, POWERPC_EXCP_APU); return; } #if defined(TARGET_PPC64) tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], 0x8000000000000000LL); #else tcg_gen_xori_tl(cpu_gprh[rA(ctx->opcode)], cpu_gprh[rA(ctx->opcode)], 0x80000000); #endif } /* Conversion */ GEN_SPEFPUOP_CONV_64_32(efdcfui); GEN_SPEFPUOP_CONV_64_32(efdcfsi); GEN_SPEFPUOP_CONV_64_32(efdcfuf); GEN_SPEFPUOP_CONV_64_32(efdcfsf); GEN_SPEFPUOP_CONV_32_64(efdctui); GEN_SPEFPUOP_CONV_32_64(efdctsi); GEN_SPEFPUOP_CONV_32_64(efdctuf); GEN_SPEFPUOP_CONV_32_64(efdctsf); GEN_SPEFPUOP_CONV_32_64(efdctuiz); GEN_SPEFPUOP_CONV_32_64(efdctsiz); GEN_SPEFPUOP_CONV_64_32(efdcfs); GEN_SPEFPUOP_CONV_64_64(efdcfuid); GEN_SPEFPUOP_CONV_64_64(efdcfsid); GEN_SPEFPUOP_CONV_64_64(efdctuidz); GEN_SPEFPUOP_CONV_64_64(efdctsidz); /* Comparison */ GEN_SPEFPUOP_COMP_64(efdcmpgt); GEN_SPEFPUOP_COMP_64(efdcmplt); GEN_SPEFPUOP_COMP_64(efdcmpeq); GEN_SPEFPUOP_COMP_64(efdtstgt); GEN_SPEFPUOP_COMP_64(efdtstlt); GEN_SPEFPUOP_COMP_64(efdtsteq); /* Opcodes definitions */ GEN_SPE(efdadd, efdsub, 0x10, 0x0B, 0x00000000, PPC_SPEFPU); // GEN_SPE(efdcfuid, efdcfsid, 0x11, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efdabs, efdnabs, 0x12, 0x0B, 0x0000F800, PPC_SPEFPU); // GEN_SPE(efdneg, speundef, 0x13, 0x0B, 0x0000F800, PPC_SPEFPU); // GEN_SPE(efdmul, efddiv, 0x14, 0x0B, 0x00000000, PPC_SPEFPU); // GEN_SPE(efdctuidz, efdctsidz, 0x15, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efdcmpgt, efdcmplt, 0x16, 0x0B, 0x00600000, PPC_SPEFPU); // GEN_SPE(efdcmpeq, efdcfs, 0x17, 0x0B, 0x00600000, PPC_SPEFPU); // GEN_SPE(efdcfui, efdcfsi, 0x18, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efdcfuf, efdcfsf, 0x19, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efdctui, efdctsi, 0x1A, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efdctuf, efdctsf, 0x1B, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efdctuiz, speundef, 0x1C, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efdctsiz, speundef, 0x1D, 0x0B, 0x00180000, PPC_SPEFPU); // GEN_SPE(efdtstgt, efdtstlt, 0x1E, 0x0B, 0x00600000, PPC_SPEFPU); // GEN_SPE(efdtsteq, speundef, 0x1F, 0x0B, 0x00600000, PPC_SPEFPU); // /* End opcode list */ GEN_OPCODE_MARK(end); #include "translate_init.c" #include "helper_regs.h" /*****************************************************************************/ /* Misc PowerPC helpers */ void cpu_dump_state (CPUState *env, FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...), int flags) { #define RGPL 4 #define RFPL 4 int i; cpu_fprintf(f, "NIP " ADDRX " LR " ADDRX " CTR " ADDRX " XER %08x\n", env->nip, env->lr, env->ctr, env->xer); cpu_fprintf(f, "MSR " ADDRX " HID0 " ADDRX " HF " ADDRX " idx %d\n", env->msr, env->spr[SPR_HID0], env->hflags, env->mmu_idx); #if !defined(NO_TIMER_DUMP) cpu_fprintf(f, "TB %08x %08x " #if !defined(CONFIG_USER_ONLY) "DECR %08x" #endif "\n", cpu_ppc_load_tbu(env), cpu_ppc_load_tbl(env) #if !defined(CONFIG_USER_ONLY) , cpu_ppc_load_decr(env) #endif ); #endif for (i = 0; i < 32; i++) { if ((i & (RGPL - 1)) == 0) cpu_fprintf(f, "GPR%02d", i); cpu_fprintf(f, " " REGX, ppc_dump_gpr(env, i)); if ((i & (RGPL - 1)) == (RGPL - 1)) cpu_fprintf(f, "\n"); } cpu_fprintf(f, "CR "); for (i = 0; i < 8; i++) cpu_fprintf(f, "%01x", env->crf[i]); cpu_fprintf(f, " ["); for (i = 0; i < 8; i++) { char a = '-'; if (env->crf[i] & 0x08) a = 'L'; else if (env->crf[i] & 0x04) a = 'G'; else if (env->crf[i] & 0x02) a = 'E'; cpu_fprintf(f, " %c%c", a, env->crf[i] & 0x01 ? 'O' : ' '); } cpu_fprintf(f, " ] RES " ADDRX "\n", env->reserve); for (i = 0; i < 32; i++) { if ((i & (RFPL - 1)) == 0) cpu_fprintf(f, "FPR%02d", i); cpu_fprintf(f, " %016" PRIx64, *((uint64_t *)&env->fpr[i])); if ((i & (RFPL - 1)) == (RFPL - 1)) cpu_fprintf(f, "\n"); } #if !defined(CONFIG_USER_ONLY) cpu_fprintf(f, "SRR0 " ADDRX " SRR1 " ADDRX " SDR1 " ADDRX "\n", env->spr[SPR_SRR0], env->spr[SPR_SRR1], env->sdr1); #endif #undef RGPL #undef RFPL } void cpu_dump_statistics (CPUState *env, FILE*f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...), int flags) { #if defined(DO_PPC_STATISTICS) opc_handler_t **t1, **t2, **t3, *handler; int op1, op2, op3; t1 = env->opcodes; for (op1 = 0; op1 < 64; op1++) { handler = t1[op1]; if (is_indirect_opcode(handler)) { t2 = ind_table(handler); for (op2 = 0; op2 < 32; op2++) { handler = t2[op2]; if (is_indirect_opcode(handler)) { t3 = ind_table(handler); for (op3 = 0; op3 < 32; op3++) { handler = t3[op3]; if (handler->count == 0) continue; cpu_fprintf(f, "%02x %02x %02x (%02x %04d) %16s: " "%016llx %lld\n", op1, op2, op3, op1, (op3 << 5) | op2, handler->oname, handler->count, handler->count); } } else { if (handler->count == 0) continue; cpu_fprintf(f, "%02x %02x (%02x %04d) %16s: " "%016llx %lld\n", op1, op2, op1, op2, handler->oname, handler->count, handler->count); } } } else { if (handler->count == 0) continue; cpu_fprintf(f, "%02x (%02x ) %16s: %016llx %lld\n", op1, op1, handler->oname, handler->count, handler->count); } } #endif } /*****************************************************************************/ static always_inline void gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, int search_pc) { DisasContext ctx, *ctxp = &ctx; opc_handler_t **table, *handler; target_ulong pc_start; uint16_t *gen_opc_end; CPUBreakpoint *bp; int j, lj = -1; int num_insns; int max_insns; pc_start = tb->pc; gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; #if defined(OPTIMIZE_FPRF_UPDATE) gen_fprf_ptr = gen_fprf_buf; #endif ctx.nip = pc_start; ctx.tb = tb; ctx.exception = POWERPC_EXCP_NONE; ctx.spr_cb = env->spr_cb; ctx.mem_idx = env->mmu_idx; ctx.access_type = -1; ctx.le_mode = env->hflags & (1 << MSR_LE) ? 1 : 0; #if defined(TARGET_PPC64) ctx.sf_mode = msr_sf; #endif ctx.fpu_enabled = msr_fp; if ((env->flags & POWERPC_FLAG_SPE) && msr_spe) ctx.spe_enabled = msr_spe; else ctx.spe_enabled = 0; if ((env->flags & POWERPC_FLAG_VRE) && msr_vr) ctx.altivec_enabled = msr_vr; else ctx.altivec_enabled = 0; if ((env->flags & POWERPC_FLAG_SE) && msr_se) ctx.singlestep_enabled = CPU_SINGLE_STEP; else ctx.singlestep_enabled = 0; if ((env->flags & POWERPC_FLAG_BE) && msr_be) ctx.singlestep_enabled |= CPU_BRANCH_STEP; if (unlikely(env->singlestep_enabled)) ctx.singlestep_enabled |= GDBSTUB_SINGLE_STEP; #if defined (DO_SINGLE_STEP) && 0 /* Single step trace mode */ msr_se = 1; #endif num_insns = 0; max_insns = tb->cflags & CF_COUNT_MASK; if (max_insns == 0) max_insns = CF_COUNT_MASK; gen_icount_start(); /* Set env in case of segfault during code fetch */ while (ctx.exception == POWERPC_EXCP_NONE && gen_opc_ptr < gen_opc_end) { if (unlikely(!TAILQ_EMPTY(&env->breakpoints))) { TAILQ_FOREACH(bp, &env->breakpoints, entry) { if (bp->pc == ctx.nip) { gen_debug_exception(ctxp); break; } } } if (unlikely(search_pc)) { j = gen_opc_ptr - gen_opc_buf; if (lj < j) { lj++; while (lj < j) gen_opc_instr_start[lj++] = 0; gen_opc_pc[lj] = ctx.nip; gen_opc_instr_start[lj] = 1; gen_opc_icount[lj] = num_insns; } } #if defined PPC_DEBUG_DISAS if (loglevel & CPU_LOG_TB_IN_ASM) { fprintf(logfile, "----------------\n"); fprintf(logfile, "nip=" ADDRX " super=%d ir=%d\n", ctx.nip, ctx.mem_idx, (int)msr_ir); } #endif if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) gen_io_start(); if (unlikely(ctx.le_mode)) { ctx.opcode = bswap32(ldl_code(ctx.nip)); } else { ctx.opcode = ldl_code(ctx.nip); } #if defined PPC_DEBUG_DISAS if (loglevel & CPU_LOG_TB_IN_ASM) { fprintf(logfile, "translate opcode %08x (%02x %02x %02x) (%s)\n", ctx.opcode, opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), little_endian ? "little" : "big"); } #endif ctx.nip += 4; table = env->opcodes; num_insns++; handler = table[opc1(ctx.opcode)]; if (is_indirect_opcode(handler)) { table = ind_table(handler); handler = table[opc2(ctx.opcode)]; if (is_indirect_opcode(handler)) { table = ind_table(handler); handler = table[opc3(ctx.opcode)]; } } /* Is opcode *REALLY* valid ? */ if (unlikely(handler->handler == &gen_invalid)) { if (loglevel != 0) { fprintf(logfile, "invalid/unsupported opcode: " "%02x - %02x - %02x (%08x) " ADDRX " %d\n", opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, (int)msr_ir); } else { printf("invalid/unsupported opcode: " "%02x - %02x - %02x (%08x) " ADDRX " %d\n", opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), ctx.opcode, ctx.nip - 4, (int)msr_ir); } } else { if (unlikely((ctx.opcode & handler->inval) != 0)) { if (loglevel != 0) { fprintf(logfile, "invalid bits: %08x for opcode: " "%02x - %02x - %02x (%08x) " ADDRX "\n", ctx.opcode & handler->inval, opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), ctx.opcode, ctx.nip - 4); } else { printf("invalid bits: %08x for opcode: " "%02x - %02x - %02x (%08x) " ADDRX "\n", ctx.opcode & handler->inval, opc1(ctx.opcode), opc2(ctx.opcode), opc3(ctx.opcode), ctx.opcode, ctx.nip - 4); } gen_inval_exception(ctxp, POWERPC_EXCP_INVAL_INVAL); break; } } (*(handler->handler))(&ctx); #if defined(DO_PPC_STATISTICS) handler->count++; #endif /* Check trace mode exceptions */ if (unlikely(ctx.singlestep_enabled & CPU_SINGLE_STEP && (ctx.nip <= 0x100 || ctx.nip > 0xF00) && ctx.exception != POWERPC_SYSCALL && ctx.exception != POWERPC_EXCP_TRAP && ctx.exception != POWERPC_EXCP_BRANCH)) { gen_exception(ctxp, POWERPC_EXCP_TRACE); } else if (unlikely(((ctx.nip & (TARGET_PAGE_SIZE - 1)) == 0) || (env->singlestep_enabled) || num_insns >= max_insns)) { /* if we reach a page boundary or are single stepping, stop * generation */ break; } #if defined (DO_SINGLE_STEP) break; #endif } if (tb->cflags & CF_LAST_IO) gen_io_end(); if (ctx.exception == POWERPC_EXCP_NONE) { gen_goto_tb(&ctx, 0, ctx.nip); } else if (ctx.exception != POWERPC_EXCP_BRANCH) { if (unlikely(env->singlestep_enabled)) { gen_debug_exception(ctxp); } /* Generate the return instruction */ tcg_gen_exit_tb(0); } gen_icount_end(tb, num_insns); *gen_opc_ptr = INDEX_op_end; if (unlikely(search_pc)) { j = gen_opc_ptr - gen_opc_buf; lj++; while (lj <= j) gen_opc_instr_start[lj++] = 0; } else { tb->size = ctx.nip - pc_start; tb->icount = num_insns; } #if defined(DEBUG_DISAS) if (loglevel & CPU_LOG_TB_CPU) { fprintf(logfile, "---------------- excp: %04x\n", ctx.exception); cpu_dump_state(env, logfile, fprintf, 0); } if (loglevel & CPU_LOG_TB_IN_ASM) { int flags; flags = env->bfd_mach; flags |= ctx.le_mode << 16; fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start)); target_disas(logfile, pc_start, ctx.nip - pc_start, flags); fprintf(logfile, "\n"); } #endif } void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) { gen_intermediate_code_internal(env, tb, 0); } void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) { gen_intermediate_code_internal(env, tb, 1); } void gen_pc_load(CPUState *env, TranslationBlock *tb, unsigned long searched_pc, int pc_pos, void *puc) { env->nip = gen_opc_pc[pc_pos]; }