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Fix the regression bug

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This commit is contained in:
lazymio
2022-02-13 09:52:00 +01:00
parent 05b9a021dc
commit e382ca102a
2 changed files with 7 additions and 5 deletions
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4
qemu/target/arm/helper.c
View File

@ -7927,7 +7927,9 @@ void cpsr_write(CPUARMState *env, uint32_t val, uint32_t mask,
* In a V8 implementation, it is permitted for privileged software to
* change the CPSR A/F bits regardless of the SCR.AW/FW bits.
*/
if (write_type != CPSRWriteRaw && !arm_feature(env, ARM_FEATURE_V8) &&
if (write_type != CPSRWriteByUnicorn &&
write_type != CPSRWriteRaw &&
!arm_feature(env, ARM_FEATURE_V8) &&
arm_feature(env, ARM_FEATURE_EL3) &&
!arm_feature(env, ARM_FEATURE_EL2) &&
!arm_is_secure(env)) {

8
tests/unit/test_arm.c
View File

@ -491,13 +491,13 @@ static void test_arm_not_allow_privilege_escalation()
static void test_arm_mrc()
{
uc_engine *uc;
// mrc p15, #0, r0, c1, c1, #0
char code[] = "\x11\x0F\x11\xEE";
// mrc p15, #0, r1, c13, c0, #3
char code[] = "\x1d\xee\x70\x1f";
uc_common_setup(&uc, UC_ARCH_ARM, UC_MODE_ARM, code, sizeof(code) - 1,
uc_common_setup(&uc, UC_ARCH_ARM, UC_MODE_THUMB, code, sizeof(code) - 1,
UC_CPU_ARM_MAX);
OK(uc_emu_start(uc, code_start, code_start + sizeof(code) - 1, 0, 0));
OK(uc_emu_start(uc, code_start | 1, code_start + sizeof(code) - 1, 0, 0));
OK(uc_close(uc));
}