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hw/arm/smmu-common: Fix TTB1 handling

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Addresses targeting the second translation table (TTB1) in the SMMU have
all upper bits set (except for the top byte when TBI is enabled). Fix
the TTB1 check.

Reported-by: Ola Hugosson <ola.hugosson@arm.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Message-id: 20230214171921.1917916-3-jean-philippe@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Jean-Philippe Brucker 2023-02-14 17:19:22 +00:00 committed by Peter Maydell
parent ca3fbed896
commit e431b8f608
1 changed files with 1 additions and 1 deletions
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hw/arm/smmu-common.c
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@ -249,7 +249,7 @@ SMMUTransTableInfo *select_tt(SMMUTransCfg *cfg, dma_addr_t iova)
/* there is a ttbr0 region and we are in it (high bits all zero) */
return &cfg->tt[0];
} else if (cfg->tt[1].tsz &&
!extract64(iova, 64 - cfg->tt[1].tsz, cfg->tt[1].tsz - tbi_byte)) {
sextract64(iova, 64 - cfg->tt[1].tsz, cfg->tt[1].tsz - tbi_byte) == -1) {
/* there is a ttbr1 region and we are in it (high bits all one) */
return &cfg->tt[1];
} else if (!cfg->tt[0].tsz) {