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authorJinjie Ruan <ruanjinjie@huawei.com>2024-04-19 14:32:59 +0100
committerPeter Maydell <peter.maydell@linaro.org>2024-04-25 10:21:05 +0100
commit167f2631df98c5b1af622a9afe3afe00867ef080 (patch)
treeab3326950b993b63d85983ad48302e1ae973b965
parent2e0be5f6b122e3dca53b926514287ffcead2689c (diff)
downloadfocaccia-qemu-167f2631df98c5b1af622a9afe3afe00867ef080.tar.gz
focaccia-qemu-167f2631df98c5b1af622a9afe3afe00867ef080.zip
target/arm: Handle PSTATE.ALLINT on taking an exception
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>
-rw-r--r--target/arm/helper.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 6b6d8a349a..5ff9e44649 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -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);