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target/arm: translate NS bit in page-walks

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Signed-off-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210112104511.36576-12-remi.denis.courmont@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Rémi Denis-Courmont 2021-01-12 12:45:04 +02:00 committed by Peter Maydell
parent 3d4bd39743
commit 588c6dd113
1 changed files with 12 additions and 0 deletions
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12
target/arm/helper.c
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@ -10430,6 +10430,18 @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx,
fi->s1ptw = true;
return ~0;
}
if (arm_is_secure_below_el3(env)) {
/* Check if page table walk is to secure or non-secure PA space. */
if (*is_secure) {
*is_secure = !(env->cp15.vstcr_el2.raw_tcr & VSTCR_SW);
} else {
*is_secure = !(env->cp15.vtcr_el2.raw_tcr & VTCR_NSW);
}
} else {
assert(!*is_secure);
}
addr = s2pa;
}
return addr;