diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2022-10-10 20:18:50 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2022-10-20 11:27:49 +0100 |
| commit | 937f2245596de9026ca8ae017ef47889523c4326 (patch) | |
| tree | ce28803c3bcb9c174a0d3b2a849c5a4a0e44b197 /target/arm/ptw.c | |
| parent | b8967ddf393aaf35fdbc07b4cb538a40f8b6fe37 (diff) | |
target/arm: Use probe_access_full for BTI
Add a field to TARGET_PAGE_ENTRY_EXTRA to hold the guarded bit.
In is_guarded_page, use probe_access_full instead of just guessing
that the tlb entry is still present. Also handles the FIXME about
executing from device memory.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20221011031911.2408754-4-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/ptw.c')
| -rw-r--r-- | target/arm/ptw.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/target/arm/ptw.c b/target/arm/ptw.c index 23f16f4ff7..2d182d62e5 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -1313,9 +1313,10 @@ static bool get_phys_addr_lpae(CPUARMState *env, uint64_t address, */ result->f.attrs.secure = false; } - /* When in aarch64 mode, and BTI is enabled, remember GP in the IOTLB. */ - if (aarch64 && guarded && cpu_isar_feature(aa64_bti, cpu)) { - arm_tlb_bti_gp(&result->f.attrs) = true; + + /* When in aarch64 mode, and BTI is enabled, remember GP in the TLB. */ + if (aarch64 && cpu_isar_feature(aa64_bti, cpu)) { + result->f.guarded = guarded; } if (mmu_idx == ARMMMUIdx_Stage2 || mmu_idx == ARMMMUIdx_Stage2_S) { |