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hw/arm/smmuv3: add support for stage 1 access fault

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An access fault is raised when the Access Flag is not set in the
looked-up PTE and the AFFD field is not set in the corresponding context
descriptor. This was already implemented for stage 2. Implement it for
stage 1 as well.

Signed-off-by: Luc Michel <luc.michel@amd.com>
Reviewed-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Mostafa Saleh <smostafa@google.com>
Message-id: 20240213082211.3330400-1-luc.michel@amd.com
[PMM: tweaked comment text]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Luc Michel 2024-02-13 09:22:11 +01:00 • committed by Peter Maydell
parent bfe30b02e7
commit 15f6c16e6e
4 changed files with 14 additions and 0 deletions
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1
include/hw/arm/smmu-common.h
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@ -92,6 +92,7 @@ typedef struct SMMUTransCfg {
bool disabled; /* smmu is disabled */
bool bypassed; /* translation is bypassed */
bool aborted; /* translation is aborted */
bool affd; /* AF fault disable */
uint32_t iotlb_hits; /* counts IOTLB hits */
uint32_t iotlb_misses; /* counts IOTLB misses*/
/* Used by stage-1 only. */