Message ID | 20201218103759.19929-12-remi.denis.courmont@huawei.com |
---|---|
State | New |
Headers | show |
Series | ARMv8.4-A Secure EL2 | expand |
On 12/18/20 12:37 AM, remi.denis.courmont@huawei.com wrote: > From: Rémi Denis-Courmont <remi.denis.courmont@huawei.com> > > Signed-off-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com> > --- > target/arm/helper.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/target/arm/helper.c b/target/arm/helper.c index 4b6ffcd326..ff69b46d43 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -10433,6 +10433,18 @@ 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;