motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-06 01:03:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/arm: Add ALIGN_MEM to TBFLAG_ANY

Browse source 
Use this to signal when memory access alignment is required.
This value comes from the CCR register for M-profile, and
from the SCTLR register for A-profile.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210419202257.161730-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2021-04-19 13:22:36 -07:00 • committed by Peter Maydell
parent eee81d41ec
commit 4479ec30c9
5 changed files with 25 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

7
target/arm/translate.c
View file

@ -933,8 +933,7 @@ static void gen_aa32_ld_i32(DisasContext *s, TCGv_i32 val, TCGv_i32 a32,
{
TCGv addr;
if (arm_dc_feature(s, ARM_FEATURE_M) &&
!arm_dc_feature(s, ARM_FEATURE_M_MAIN)) {
if (s->align_mem) {
opc |= MO_ALIGN;
}
@ -948,8 +947,7 @@ static void gen_aa32_st_i32(DisasContext *s, TCGv_i32 val, TCGv_i32 a32,
{
TCGv addr;
if (arm_dc_feature(s, ARM_FEATURE_M) &&
!arm_dc_feature(s, ARM_FEATURE_M_MAIN)) {
if (s->align_mem) {
opc |= MO_ALIGN;
}
@ -8877,6 +8875,7 @@ static void arm_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
dc->user = (dc->current_el == 0);
#endif
dc->fp_excp_el = EX_TBFLAG_ANY(tb_flags, FPEXC_EL);
dc->align_mem = EX_TBFLAG_ANY(tb_flags, ALIGN_MEM);
if (arm_feature(env, ARM_FEATURE_M)) {
dc->vfp_enabled = 1;