SYS-OSS/FRET-qemu
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

target-arm: Remove use of gen_{ld,st}* from ldrex/strex

Browse Source 
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Peter Maydell 2013-05-23 12:59:59 +01:00 committed by Blue Swirl
parent 58ab8e9646
commit 94ee24e7fb
1 changed files with 18 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
target-arm/translate.c
View File

@ -6493,18 +6493,18 @@ static void gen_logicq_cc(TCGv_i32 lo, TCGv_i32 hi)
static void gen_load_exclusive(DisasContext *s, int rt, int rt2,
TCGv_i32 addr, int size)
{
TCGv_i32 tmp;
TCGv_i32 tmp = tcg_temp_new_i32();
switch (size) {
case 0:
tmp = gen_ld8u(addr, IS_USER(s));
tcg_gen_qemu_ld8u(tmp, addr, IS_USER(s));
break;
case 1:
tmp = gen_ld16u(addr, IS_USER(s));
tcg_gen_qemu_ld16u(tmp, addr, IS_USER(s));
break;
case 2:
case 3:
tmp = gen_ld32(addr, IS_USER(s));
tcg_gen_qemu_ld32u(tmp, addr, IS_USER(s));
break;
default:
abort();
@ -6514,7 +6514,8 @@ static void gen_load_exclusive(DisasContext *s, int rt, int rt2,
if (size == 3) {
TCGv_i32 tmp2 = tcg_temp_new_i32();
tcg_gen_addi_i32(tmp2, addr, 4);
tmp = gen_ld32(tmp2, IS_USER(s));
tmp = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, tmp2, IS_USER(s));
tcg_temp_free_i32(tmp2);
tcg_gen_mov_i32(cpu_exclusive_high, tmp);
store_reg(s, rt2, tmp);
@ -6553,16 +6554,17 @@ static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2,
fail_label = gen_new_label();
done_label = gen_new_label();
tcg_gen_brcond_i32(TCG_COND_NE, addr, cpu_exclusive_addr, fail_label);
tmp = tcg_temp_new_i32();
switch (size) {
case 0:
tmp = gen_ld8u(addr, IS_USER(s));
tcg_gen_qemu_ld8u(tmp, addr, IS_USER(s));
break;
case 1:
tmp = gen_ld16u(addr, IS_USER(s));
tcg_gen_qemu_ld16u(tmp, addr, IS_USER(s));
break;
case 2:
case 3:
tmp = gen_ld32(addr, IS_USER(s));
tcg_gen_qemu_ld32u(tmp, addr, IS_USER(s));
break;
default:
abort();
@ -6572,7 +6574,8 @@ static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2,
if (size == 3) {
TCGv_i32 tmp2 = tcg_temp_new_i32();
tcg_gen_addi_i32(tmp2, addr, 4);
tmp = gen_ld32(tmp2, IS_USER(s));
tmp = tcg_temp_new_i32();
tcg_gen_qemu_ld32u(tmp, tmp2, IS_USER(s));
tcg_temp_free_i32(tmp2);
tcg_gen_brcond_i32(TCG_COND_NE, tmp, cpu_exclusive_high, fail_label);
tcg_temp_free_i32(tmp);
@ -6580,22 +6583,24 @@ static void gen_store_exclusive(DisasContext *s, int rd, int rt, int rt2,
tmp = load_reg(s, rt);
switch (size) {
case 0:
gen_st8(tmp, addr, IS_USER(s));
tcg_gen_qemu_st8(tmp, addr, IS_USER(s));
break;
case 1:
gen_st16(tmp, addr, IS_USER(s));
tcg_gen_qemu_st16(tmp, addr, IS_USER(s));
break;
case 2:
case 3:
gen_st32(tmp, addr, IS_USER(s));
tcg_gen_qemu_st32(tmp, addr, IS_USER(s));
break;
default:
abort();
}
tcg_temp_free_i32(tmp);
if (size == 3) {
tcg_gen_addi_i32(addr, addr, 4);
tmp = load_reg(s, rt2);
gen_st32(tmp, addr, IS_USER(s));
tcg_gen_qemu_st32(tmp, addr, IS_USER(s));
tcg_temp_free_i32(tmp);
}
tcg_gen_movi_i32(cpu_R[rd], 0);
tcg_gen_br(done_label);