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authorRichard Henderson <richard.henderson@linaro.org>2023-02-27 12:58:30 -1000
committerPeter Maydell <peter.maydell@linaro.org>2023-03-06 14:08:12 +0000
commita0262ba68c7b07e0eb004464b333395151f053da (patch)
tree81d32266900dacdfe01c7a41d09a1988a2a1c005
parent9094f9551df849f68d40236092d8af3ed869d093 (diff)
target/arm: Stub arm_hcr_el2_eff for m-profile
M-profile doesn't have HCR_EL2. While we could test features before each call, zero is a generally safe return value to disable the code in the caller. This test is required to avoid an assert in arm_is_secure_below_el3. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20230227225832.816605-3-richard.henderson@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/helper.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 82c546f11a..2297626bfb 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -5787,6 +5787,9 @@ uint64_t arm_hcr_el2_eff_secstate(CPUARMState *env, bool secure)
uint64_t arm_hcr_el2_eff(CPUARMState *env)
{
+ if (arm_feature(env, ARM_FEATURE_M)) {
+ return 0;
+ }
return arm_hcr_el2_eff_secstate(env, arm_is_secure_below_el3(env));
}