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Choose to skip both. Reviewed-by: Pierrick Bouvier Signed-off-by: Richard Henderson --- target/arm/ptw.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 8925c9a610..089eeff845 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -58,6 +58,12 @@ typedef struct S1Translate { * and will not change the state of the softmmu TLBs. */ bool in_debug; + /* + * in_at: is this AccessType_AT? + * This is also set for debug, because at heart that is also + * an address translation, and simplifies a test. + */ + bool in_at; /* * If this is stage 2 of a stage 1+2 page table walk, then this must * be true if stage 1 is an EL0 access; otherwise this is ignored. @@ -1929,7 +1935,12 @@ static bool get_phys_addr_lpae(CPUARMState *env, S1T= ranslate *ptw, descaddr &=3D ~(hwaddr)(page_size - 1); descaddr |=3D (address & (page_size - 1)); =20 - if (likely(!ptw->in_debug)) { + /* + * For AccessType_AT, DB is not updated (AArch64.SetDirtyFlag), + * and it is IMPLEMENTATION DEFINED whether AF is updated + * (AArch64.SetAccessFlag; qemu chooses to not update). + */ + if (likely(!ptw->in_at)) { /* * Access flag. * If HA is enabled, prepare to update the descriptor below. @@ -3553,6 +3564,7 @@ bool get_phys_addr_for_at(CPUARMState *env, vaddr add= ress, S1Translate ptw =3D { .in_mmu_idx =3D mmu_idx, .in_space =3D space, + .in_at =3D true, .in_prot_check =3D prot_check, }; /* @@ -3653,6 +3665,7 @@ static hwaddr arm_cpu_get_phys_page(CPUARMState *env,= vaddr addr, .in_mmu_idx =3D mmu_idx, .in_space =3D arm_mmu_idx_to_security_space(env, mmu_idx), .in_debug =3D true, + .in_at =3D true, .in_prot_check =3D 0, }; GetPhysAddrResult res =3D {}; --=20 2.43.0