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提交 5a839c0d 编写于 作者: P Peter Maydell 提交者： Blue Swirl
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target-arm: Remove gen_{ld,st}* from basic ARM insns 

Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NBlue Swirl <blauwirbel@gmail.com>
上级 94ee24e7
隐藏空白更改
内联 并排
Showing with 69 addition and 32 deletion
target-arm/translate.c
浏览文件 @ 5a839c0d
......@@ -6646,10 +6646,12 @@ static void gen_srs(DisasContext *s,
}
tcg_gen_addi_i32(addr, addr, offset);
tmp = load_reg(s, 14);
gen_st32(tmp, addr, 0);
tcg_gen_qemu_st32(tmp, addr, 0);
tcg_temp_free_i32(tmp);
tmp = load_cpu_field(spsr);
tcg_gen_addi_i32(addr, addr, 4);
gen_st32(tmp, addr, 0);
tcg_gen_qemu_st32(tmp, addr, 0);
tcg_temp_free_i32(tmp);
if (writeback) {
switch (amode) {
case 0:
......@@ -6792,9 +6794,11 @@ static void disas_arm_insn(CPUARMState * env, DisasContext *s)
if (offset)
tcg_gen_addi_i32(addr, addr, offset);
/* Load PC into tmp and CPSR into tmp2. */
tmp = gen_ld32(addr, 0);
tmp = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, addr, 0);
tcg_gen_addi_i32(addr, addr, 4);
tmp2 = gen_ld32(addr, 0);
tmp2 = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, addr, 0);
if (insn & (1 << 21)) {
/* Base writeback. */
switch (i) {
......@@ -7368,13 +7372,15 @@ static void disas_arm_insn(CPUARMState * env, DisasContext *s)
so it is good enough. */
addr = load_reg(s, rn);
tmp = load_reg(s, rm);
tmp2 = tcg_temp_new_i32();
if (insn & (1 << 22)) {
tmp2 = gen_ld8u(addr, IS_USER(s));
gen_st8(tmp, addr, IS_USER(s));
tcg_gen_qemu_ld8u(tmp2, addr, IS_USER(s));
tcg_gen_qemu_st8(tmp, addr, IS_USER(s));
} else {
tmp2 = gen_ld32(addr, IS_USER(s));
gen_st32(tmp, addr, IS_USER(s));
tcg_gen_qemu_ld32u(tmp2, addr, IS_USER(s));
tcg_gen_qemu_st32(tmp, addr, IS_USER(s));
}
tcg_temp_free_i32(tmp);
tcg_temp_free_i32(addr);
store_reg(s, rd, tmp2);
}
......@@ -7391,16 +7397,17 @@ static void disas_arm_insn(CPUARMState * env, DisasContext *s)
address_offset = 0;
if (insn & (1 << 20)) {
/* load */
tmp = tcg_temp_new_i32();
switch(sh) {
case 1:
tmp = gen_ld16u(addr, IS_USER(s));
tcg_gen_qemu_ld16u(tmp, addr, IS_USER(s));
break;
case 2:
tmp = gen_ld8s(addr, IS_USER(s));
tcg_gen_qemu_ld8s(tmp, addr, IS_USER(s));
break;
default:
case 3:
tmp = gen_ld16s(addr, IS_USER(s));
tcg_gen_qemu_ld16s(tmp, addr, IS_USER(s));
break;
}
load = 1;
......@@ -7410,17 +7417,21 @@ static void disas_arm_insn(CPUARMState * env, DisasContext *s)
if (sh & 1) {
/* store */
tmp = load_reg(s, rd);
gen_st32(tmp, addr, IS_USER(s));
tcg_gen_qemu_st32(tmp, addr, IS_USER(s));
tcg_temp_free_i32(tmp);
tcg_gen_addi_i32(addr, addr, 4);
tmp = load_reg(s, rd + 1);
gen_st32(tmp, addr, IS_USER(s));
tcg_gen_qemu_st32(tmp, addr, IS_USER(s));
tcg_temp_free_i32(tmp);
load = 0;
} else {
/* load */
tmp = gen_ld32(addr, IS_USER(s));
tmp = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, addr, IS_USER(s));
store_reg(s, rd, tmp);
tcg_gen_addi_i32(addr, addr, 4);
tmp = gen_ld32(addr, IS_USER(s));
tmp = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, addr, IS_USER(s));
rd++;
load = 1;
}
......@@ -7428,7 +7439,8 @@ static void disas_arm_insn(CPUARMState * env, DisasContext *s)
} else {
/* store */
tmp = load_reg(s, rd);
gen_st16(tmp, addr, IS_USER(s));
tcg_gen_qemu_st16(tmp, addr, IS_USER(s));
tcg_temp_free_i32(tmp);
load = 0;
}
/* Perform base writeback before the loaded value to
......@@ -7758,18 +7770,21 @@ static void disas_arm_insn(CPUARMState * env, DisasContext *s)
gen_add_data_offset(s, insn, tmp2);
if (insn & (1 << 20)) {
/* load */
tmp = tcg_temp_new_i32();
if (insn & (1 << 22)) {
tmp = gen_ld8u(tmp2, i);
tcg_gen_qemu_ld8u(tmp, tmp2, i);
} else {
tmp = gen_ld32(tmp2, i);
tcg_gen_qemu_ld32u(tmp, tmp2, i);
}
} else {
/* store */
tmp = load_reg(s, rd);
if (insn & (1 << 22))
gen_st8(tmp, tmp2, i);
else
gen_st32(tmp, tmp2, i);
if (insn & (1 << 22)) {
tcg_gen_qemu_st8(tmp, tmp2, i);
} else {
tcg_gen_qemu_st32(tmp, tmp2, i);
}
tcg_temp_free_i32(tmp);
}
if (!(insn & (1 << 24))) {
gen_add_data_offset(s, insn, tmp2);
......@@ -7833,7 +7848,8 @@ static void disas_arm_insn(CPUARMState * env, DisasContext *s)
if (insn & (1 << i)) {
if (insn & (1 << 20)) {
/* load */
tmp = gen_ld32(addr, IS_USER(s));
tmp = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, addr, IS_USER(s));
if (user) {
tmp2 = tcg_const_i32(i);
gen_helper_set_user_reg(cpu_env, tmp2, tmp);
......@@ -7860,7 +7876,8 @@ static void disas_arm_insn(CPUARMState * env, DisasContext *s)
} else {
tmp = load_reg(s, i);
}
gen_st32(tmp, addr, IS_USER(s));
tcg_gen_qemu_st32(tmp, addr, IS_USER(s));
tcg_temp_free_i32(tmp);
}
j++;
/* no need to add after the last transfer */
......@@ -9026,13 +9043,25 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw
}
if (insn & (1 << 20)) {
/* Load. */
tmp = tcg_temp_new_i32();
switch (op) {
case 0: tmp = gen_ld8u(addr, user); break;
case 4: tmp = gen_ld8s(addr, user); break;
case 1: tmp = gen_ld16u(addr, user); break;
case 5: tmp = gen_ld16s(addr, user); break;
case 2: tmp = gen_ld32(addr, user); break;
case 0:
tcg_gen_qemu_ld8u(tmp, addr, user);
break;
case 4:
tcg_gen_qemu_ld8s(tmp, addr, user);
break;
case 1:
tcg_gen_qemu_ld16u(tmp, addr, user);
break;
case 5:
tcg_gen_qemu_ld16s(tmp, addr, user);
break;
case 2:
tcg_gen_qemu_ld32u(tmp, addr, user);
break;
default:
tcg_temp_free_i32(tmp);
tcg_temp_free_i32(addr);
goto illegal_op;
}
......@@ -9045,13 +9074,21 @@ static int disas_thumb2_insn(CPUARMState *env, DisasContext *s, uint16_t insn_hw
/* Store. */
tmp = load_reg(s, rs);
switch (op) {
case 0: gen_st8(tmp, addr, user); break;
case 1: gen_st16(tmp, addr, user); break;
case 2: gen_st32(tmp, addr, user); break;
case 0:
tcg_gen_qemu_st8(tmp, addr, user);
break;
case 1:
tcg_gen_qemu_st16(tmp, addr, user);
break;
case 2:
tcg_gen_qemu_st32(tmp, addr, user);
break;
default:
tcg_temp_free_i32(tmp);
tcg_temp_free_i32(addr);
goto illegal_op;
}
tcg_temp_free_i32(tmp);
}
if (postinc)
tcg_gen_addi_i32(addr, addr, imm);
......
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