Skip to content

Q
qemu

openeuler / qemu

通知 10
Star 0
Fork 0
Q
qemu
提交 64adab3f 编写于 作者: A aurel32
浏览文件
操作

target-ppc: convert exceptions generation to TCG 

Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5772 c046a42c-6fe2-441c-8c8c-71466251a162
上级 e2eb2798
隐藏空白更改
内联 并排
Showing with 76 addition and 66 deletion
cpu-exec.c
浏览文件 @ 64adab3f
......@@ -918,7 +918,7 @@ static inline int handle_cpu_signal(unsigned long pc, unsigned long address,
/* we restore the process signal mask as the sigreturn should
do it (XXX: use sigsetjmp) */
sigprocmask(SIG_SETMASK, old_set, NULL);
do_raise_exception_err(env->exception_index, env->error_code);
raise_exception_err(env, env->exception_index, env->error_code);
} else {
/* activate soft MMU for this block */
cpu_resume_from_signal(env, puc);
......
target-ppc/exec.h
浏览文件 @ 64adab3f
......@@ -94,8 +94,8 @@ static always_inline target_ulong rotl64 (target_ulong i, int n)
#include "softmmu_exec.h"
#endif /* !defined(CONFIG_USER_ONLY) */
void do_raise_exception_err (uint32_t exception, int error_code);
void do_raise_exception (uint32_t exception);
void raise_exception_err (CPUState *env, int exception, int error_code);
void raise_exception (CPUState *env, int exception);
int get_physical_address (CPUState *env, mmu_ctx_t *ctx, target_ulong vaddr,
int rw, int access_type);
......
target-ppc/helper.c
浏览文件 @ 64adab3f
......@@ -39,6 +39,24 @@
//#define DEBUG_EXCEPTIONS
//#define FLUSH_ALL_TLBS
/*****************************************************************************/
/* Exceptions processing */
void raise_exception_err (CPUState *env, int exception, int error_code)
{
#if 0
printf("Raise exception %3x code : %d\n", exception, error_code);
#endif
env->exception_index = exception;
env->error_code = error_code;
cpu_loop_exit();
}
void raise_exception (CPUState *env, int exception)
{
helper_raise_exception_err(exception, 0);
}
/*****************************************************************************/
/* PowerPC MMU emulation */
......
target-ppc/helper.h
浏览文件 @ 64adab3f
#include "def-helper.h"
DEF_HELPER_2(raise_exception_err, void, i32, i32)
DEF_HELPER_0(raise_debug, void)
DEF_HELPER_2(fcmpo, i32, i64, i64)
DEF_HELPER_2(fcmpu, i32, i64, i64)
......
target-ppc/op.c
浏览文件 @ 64adab3f
......@@ -26,17 +26,6 @@
#include "helper_regs.h"
#include "op_helper.h"
/* Generate exceptions */
void OPPROTO op_raise_exception_err (void)
{
do_raise_exception_err(PARAM1, PARAM2);
}
void OPPROTO op_debug (void)
{
do_raise_exception(EXCP_DEBUG);
}
#if !defined(CONFIG_USER_ONLY)
/* Segment registers load and store */
void OPPROTO op_load_sr (void)
......
target-ppc/op_helper.c
浏览文件 @ 64adab3f
......@@ -46,21 +46,17 @@
/*****************************************************************************/
/* Exceptions processing helpers */
void do_raise_exception_err (uint32_t exception, int error_code)
void helper_raise_exception_err (uint32_t exception, uint32_t error_code)
{
#if 0
printf("Raise exception %3x code : %d\n", exception, error_code);
#endif
env->exception_index = exception;
env->error_code = error_code;
cpu_loop_exit();
raise_exception_err(env, exception, error_code);
}
void do_raise_exception (uint32_t exception)
void helper_raise_debug (void)
{
do_raise_exception_err(exception, 0);
raise_exception(env, EXCP_DEBUG);
}
/*****************************************************************************/
/* Registers load and stores */
target_ulong helper_load_cr (void)
......@@ -430,7 +426,7 @@ static always_inline uint64_t fload_invalid_op_excp (int op)
/* Update the floating-point enabled exception summary */
env->fpscr |= 1 << FPSCR_FEX;
if (msr_fe0 != 0 || msr_fe1 != 0)
do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_FP | op);
raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_FP | op);
}
return ret;
}
......@@ -445,8 +441,8 @@ static always_inline uint64_t float_zero_divide_excp (uint64_t arg1, uint64_t ar
/* Update the floating-point enabled exception summary */
env->fpscr |= 1 << FPSCR_FEX;
if (msr_fe0 != 0 || msr_fe1 != 0) {
do_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX);
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX);
}
} else {
/* Set the result to infinity */
......@@ -686,7 +682,7 @@ void helper_float_check_status (void)
(env->error_code & POWERPC_EXCP_FP)) {
/* Differred floating-point exception after target FPR update */
if (msr_fe0 != 0 || msr_fe1 != 0)
do_raise_exception_err(env->exception_index, env->error_code);
raise_exception_err(env, env->exception_index, env->error_code);
} else if (env->fp_status.float_exception_flags & float_flag_overflow) {
float_overflow_excp();
} else if (env->fp_status.float_exception_flags & float_flag_underflow) {
......@@ -699,7 +695,7 @@ void helper_float_check_status (void)
(env->error_code & POWERPC_EXCP_FP)) {
/* Differred floating-point exception after target FPR update */
if (msr_fe0 != 0 || msr_fe1 != 0)
do_raise_exception_err(env->exception_index, env->error_code);
raise_exception_err(env, env->exception_index, env->error_code);
}
RETURN();
#endif
......@@ -1356,7 +1352,7 @@ void do_store_msr (void)
T0 = hreg_store_msr(env, T0, 0);
if (T0 != 0) {
env->interrupt_request |= CPU_INTERRUPT_EXITTB;
do_raise_exception(T0);
raise_exception(env, T0);
}
}
......@@ -1417,7 +1413,7 @@ void do_tw (int flags)
((int32_t)T0 == (int32_t)T1 && (flags & 0x04)) ||
((uint32_t)T0 < (uint32_t)T1 && (flags & 0x02)) ||
((uint32_t)T0 > (uint32_t)T1 && (flags & 0x01))))) {
do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
}
}
......@@ -1429,7 +1425,7 @@ void do_td (int flags)
((int64_t)T0 == (int64_t)T1 && (flags & 0x04)) ||
((uint64_t)T0 < (uint64_t)T1 && (flags & 0x02)) ||
((uint64_t)T0 > (uint64_t)T1 && (flags & 0x01)))))
do_raise_exception_err(POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
raise_exception_err(env, POWERPC_EXCP_PROGRAM, POWERPC_EXCP_TRAP);
}
#endif
......@@ -1670,14 +1666,14 @@ void do_load_dcr (void)
if (loglevel != 0) {
fprintf(logfile, "No DCR environment\n");
}
do_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
} else if (unlikely(ppc_dcr_read(env->dcr_env, T0, &val) != 0)) {
if (loglevel != 0) {
fprintf(logfile, "DCR read error %d %03x\n", (int)T0, (int)T0);
}
do_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
} else {
T0 = val;
}
......@@ -1689,14 +1685,14 @@ void do_store_dcr (void)
if (loglevel != 0) {
fprintf(logfile, "No DCR environment\n");
}
do_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_INVAL_INVAL);
} else if (unlikely(ppc_dcr_write(env->dcr_env, T0, T1) != 0)) {
if (loglevel != 0) {
fprintf(logfile, "DCR write error %d %03x\n", (int)T0, (int)T0);
}
do_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL | POWERPC_EXCP_PRIV_REG);
}
}
......@@ -2454,7 +2450,7 @@ void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr)
cpu_restore_state(tb, env, pc, NULL);
}
}
do_raise_exception_err(env->exception_index, env->error_code);
raise_exception_err(env, env->exception_index, env->error_code);
}
env = saved_env;
}
......
target-ppc/op_mem.h
浏览文件 @ 64adab3f
......@@ -103,9 +103,9 @@ void OPPROTO glue(op_lswx, MEMSUFFIX) (void)
if (likely(T1 != 0)) {
if (unlikely((PARAM1 < PARAM2 && (PARAM1 + T1) > PARAM2) ||
(PARAM1 < PARAM3 && (PARAM1 + T1) > PARAM3))) {
do_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL |
POWERPC_EXCP_INVAL_LSWX);
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL |
POWERPC_EXCP_INVAL_LSWX);
} else {
glue(do_lsw, MEMSUFFIX)(PARAM1);
}
......@@ -120,9 +120,9 @@ void OPPROTO glue(op_lswx_64, MEMSUFFIX) (void)
if (likely(T1 != 0)) {
if (unlikely((PARAM1 < PARAM2 && (PARAM1 + T1) > PARAM2) ||
(PARAM1 < PARAM3 && (PARAM1 + T1) > PARAM3))) {
do_raise_exception_err(POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL |
POWERPC_EXCP_INVAL_LSWX);
raise_exception_err(env, POWERPC_EXCP_PROGRAM,
POWERPC_EXCP_INVAL |
POWERPC_EXCP_INVAL_LSWX);
} else {
glue(do_lsw_64, MEMSUFFIX)(PARAM1);
}
......@@ -282,7 +282,7 @@ PPC_LDF_OP_64(fs_le, ldfsr);
void OPPROTO glue(op_lwarx, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu32, MEMSUFFIX)((uint32_t)T0);
env->reserve = (uint32_t)T0;
......@@ -294,7 +294,7 @@ void OPPROTO glue(op_lwarx, MEMSUFFIX) (void)
void OPPROTO glue(op_lwarx_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu32, MEMSUFFIX)((uint64_t)T0);
env->reserve = (uint64_t)T0;
......@@ -305,7 +305,7 @@ void OPPROTO glue(op_lwarx_64, MEMSUFFIX) (void)
void OPPROTO glue(op_ldarx, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu64, MEMSUFFIX)((uint32_t)T0);
env->reserve = (uint32_t)T0;
......@@ -316,7 +316,7 @@ void OPPROTO glue(op_ldarx, MEMSUFFIX) (void)
void OPPROTO glue(op_ldarx_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu64, MEMSUFFIX)((uint64_t)T0);
env->reserve = (uint64_t)T0;
......@@ -328,7 +328,7 @@ void OPPROTO glue(op_ldarx_64, MEMSUFFIX) (void)
void OPPROTO glue(op_lwarx_le, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu32r, MEMSUFFIX)((uint32_t)T0);
env->reserve = (uint32_t)T0;
......@@ -340,7 +340,7 @@ void OPPROTO glue(op_lwarx_le, MEMSUFFIX) (void)
void OPPROTO glue(op_lwarx_le_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu32r, MEMSUFFIX)((uint64_t)T0);
env->reserve = (uint64_t)T0;
......@@ -351,7 +351,7 @@ void OPPROTO glue(op_lwarx_le_64, MEMSUFFIX) (void)
void OPPROTO glue(op_ldarx_le, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu64r, MEMSUFFIX)((uint32_t)T0);
env->reserve = (uint32_t)T0;
......@@ -362,7 +362,7 @@ void OPPROTO glue(op_ldarx_le, MEMSUFFIX) (void)
void OPPROTO glue(op_ldarx_le_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
T1 = glue(ldu64r, MEMSUFFIX)((uint64_t)T0);
env->reserve = (uint64_t)T0;
......@@ -375,7 +375,7 @@ void OPPROTO glue(op_ldarx_le_64, MEMSUFFIX) (void)
void OPPROTO glue(op_stwcx, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint32_t)T0)) {
env->crf[0] = xer_so;
......@@ -392,7 +392,7 @@ void OPPROTO glue(op_stwcx, MEMSUFFIX) (void)
void OPPROTO glue(op_stwcx_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint64_t)T0)) {
env->crf[0] = xer_so;
......@@ -408,7 +408,7 @@ void OPPROTO glue(op_stwcx_64, MEMSUFFIX) (void)
void OPPROTO glue(op_stdcx, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint32_t)T0)) {
env->crf[0] = xer_so;
......@@ -424,7 +424,7 @@ void OPPROTO glue(op_stdcx, MEMSUFFIX) (void)
void OPPROTO glue(op_stdcx_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint64_t)T0)) {
env->crf[0] = xer_so;
......@@ -441,7 +441,7 @@ void OPPROTO glue(op_stdcx_64, MEMSUFFIX) (void)
void OPPROTO glue(op_stwcx_le, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint32_t)T0)) {
env->crf[0] = xer_so;
......@@ -458,7 +458,7 @@ void OPPROTO glue(op_stwcx_le, MEMSUFFIX) (void)
void OPPROTO glue(op_stwcx_le_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint64_t)T0)) {
env->crf[0] = xer_so;
......@@ -474,7 +474,7 @@ void OPPROTO glue(op_stwcx_le_64, MEMSUFFIX) (void)
void OPPROTO glue(op_stdcx_le, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint32_t)T0)) {
env->crf[0] = xer_so;
......@@ -490,7 +490,7 @@ void OPPROTO glue(op_stdcx_le, MEMSUFFIX) (void)
void OPPROTO glue(op_stdcx_le_64, MEMSUFFIX) (void)
{
if (unlikely(T0 & 0x03)) {
do_raise_exception(POWERPC_EXCP_ALIGN);
raise_exception(env, POWERPC_EXCP_ALIGN);
} else {
if (unlikely(env->reserve != (uint64_t)T0)) {
env->crf[0] = xer_so;
......
target-ppc/translate.c
浏览文件 @ 64adab3f
......@@ -293,10 +293,14 @@ static always_inline void gen_update_nip (DisasContext *ctx, target_ulong nip)
#define GEN_EXCP(ctx, excp, error) \
do { \
TCGv_i32 t0 = tcg_const_i32(excp); \
TCGv_i32 t1 = tcg_const_i32(error); \
if ((ctx)->exception == POWERPC_EXCP_NONE) { \
gen_update_nip(ctx, (ctx)->nip); \
} \
gen_op_raise_exception_err((excp), (error)); \
gen_helper_raise_exception_err(t0, t1); \
tcg_temp_free_i32(t0); \
tcg_temp_free_i32(t1); \
ctx->exception = (excp); \
} while (0)
......@@ -3470,7 +3474,7 @@ static always_inline void gen_goto_tb (DisasContext *ctx, int n,
}
if (ctx->singlestep_enabled & GDBSTUB_SINGLE_STEP) {
gen_update_nip(ctx, dest);
gen_op_debug();
gen_helper_raise_debug();
}
}
tcg_gen_exit_tb(0);
......@@ -7233,7 +7237,7 @@ static always_inline void gen_intermediate_code_internal (CPUState *env,
for (bp = env->breakpoints; bp != NULL; bp = bp->next) {
if (bp->pc == ctx.nip) {
gen_update_nip(&ctx, ctx.nip);
gen_op_debug();
gen_helper_raise_debug();
break;
}
}
......@@ -7344,7 +7348,7 @@ static always_inline void gen_intermediate_code_internal (CPUState *env,
} else if (ctx.exception != POWERPC_EXCP_BRANCH) {
if (unlikely(env->singlestep_enabled)) {
gen_update_nip(&ctx, ctx.nip);
gen_op_debug();
gen_helper_raise_debug();
}
/* Generate the return instruction */
tcg_gen_exit_tb(0);
......
Markdown is supported
0% 或 .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑！
想要评论请 注册 或