diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2023-02-27 12:58:30 -1000 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2023-03-06 14:08:12 +0000 |
commit | a0262ba68c7b07e0eb004464b333395151f053da (patch) | |
tree | 81d32266900dacdfe01c7a41d09a1988a2a1c005 | |
parent | 9094f9551df849f68d40236092d8af3ed869d093 (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.c | 3 |
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)); } |