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target/arm: Enable FEAT_RME_GPC2 for -cpu max with x-rme

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-id: 20250926001134.295547-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2025-09-25 17:11:34 -07:00 • committed by Peter Maydell
parent 663f9c253e
commit 932cac41ca
2 changed files with 3 additions and 1 deletions
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1
docs/system/arm/emulation.rst
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@ -120,6 +120,7 @@ the following architecture extensions:
- FEAT_RASv1p1 (RAS Extension v1.1)
- FEAT_RDM (Advanced SIMD rounding double multiply accumulate instructions)
- FEAT_RME (Realm Management Extension) (NB: support status in QEMU is experimental)
- FEAT_RME_GPC2 (RME Granule Protection Check 2 Extension)
- FEAT_RNG (Random number generator)
- FEAT_RPRES (Increased precision of FRECPE and FRSQRTE)
- FEAT_S2FWB (Stage 2 forced Write-Back)

3
target/arm/tcg/cpu64.c
View file

@ -159,7 +159,8 @@ static void cpu_arm_set_rme(Object *obj, bool value, Error **errp)
{
ARMCPU *cpu = ARM_CPU(obj);
FIELD_DP64_IDREG(&cpu->isar, ID_AA64PFR0, RME, value);
/* Enable FEAT_RME_GPC2 */
FIELD_DP64_IDREG(&cpu->isar, ID_AA64PFR0, RME, value ? 2 : 0);
}
static void cpu_max_set_l0gptsz(Object *obj, Visitor *v, const char *name,