mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

target/arm: Handle PSTATE.ALLINT on taking an exception

Browse Source 
Set or clear PSTATE.ALLINT on taking an exception to ELx according to the
SCTLR_ELx.SPINTMASK bit.

Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240407081733.3231820-10-ruanjinjie@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Jinjie Ruan 2024-04-19 14:32:59 +01:00 committed by Peter Maydell
parent 2e0be5f6b1
commit 167f2631df
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
target/arm/helper.c
View File

@ -11733,6 +11733,14 @@ static void arm_cpu_do_interrupt_aarch64(CPUState *cs)
}
}
if (cpu_isar_feature(aa64_nmi, cpu)) {
if (!(env->cp15.sctlr_el[new_el] & SCTLR_SPINTMASK)) {
new_mode |= PSTATE_ALLINT;
} else {
new_mode &= ~PSTATE_ALLINT;
}
}
pstate_write(env, PSTATE_DAIF | new_mode);
env->aarch64 = true;
aarch64_restore_sp(env, new_el);