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Signed-off-by: Richard Henderson --- target/arm/ptw.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 56a3cd8fa0..36917be83e 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -387,7 +387,25 @@ static bool granule_protection_check(CPUARMState *env,= uint64_t paddress, l0gptsz =3D 30 + FIELD_EX64(gpccr, GPCCR, L0GPTSZ); =20 /* - * GPC Priority 2: Secure, Realm or Root address exceeds PPS. + * GPC Priority 2: Access to Secure, NonSecure or Realm is prevented + * by one of the GPCCR_EL3 address space disable bits (R_TCWMD). + * All of these bits are checked vs aa64_rme_gpc2 in gpccr_write. + */ + { + static const uint8_t disable_masks[4] =3D { + [ARMSS_Secure] =3D R_GPCCR_SPAD_MASK, + [ARMSS_NonSecure] =3D R_GPCCR_NSPAD_MASK, + [ARMSS_Root] =3D 0, + [ARMSS_Realm] =3D R_GPCCR_RLPAD_MASK, + }; + + if (gpccr & disable_masks[pspace]) { + goto fault_fail; + } + } + + /* + * GPC Priority 3: Secure, Realm or Root address exceeds PPS. * R_CPDSB: A NonSecure physical address input exceeding PPS * does not experience any fault. */ @@ -398,7 +416,7 @@ static bool granule_protection_check(CPUARMState *env, = uint64_t paddress, goto fault_size; } =20 - /* GPC Priority 3: the base address of GPTBR_EL3 exceeds PPS. */ + /* GPC Priority 4: the base address of GPTBR_EL3 exceeds PPS. */ tableaddr =3D env->cp15.gptbr_el3 << 12; if (tableaddr & ~pps_mask) { goto fault_size; @@ -502,6 +520,7 @@ static bool granule_protection_check(CPUARMState *env, = uint64_t paddress, goto fault_walk; /* reserved */ } =20 + fault_fail: fi->gpcf =3D GPCF_Fail; goto fault_common; fault_eabt: --=20 2.43.0