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[PATCH v3 21/42] target/arm: Enable TARGET_PAGE_ENTRY_EXTRA
From: |
Richard Henderson |
Subject: |
[PATCH v3 21/42] target/arm: Enable TARGET_PAGE_ENTRY_EXTRA |
Date: |
Sat, 1 Oct 2022 09:22:57 -0700 |
Copy attrs and sharability, into the TLB. This will eventually
be used by S1_ptw_translate to report stage1 translation failures,
and by do_ats_write to fill in PAR_EL1.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/cpu-param.h | 8 ++++++++
target/arm/tlb_helper.c | 3 +++
2 files changed, 11 insertions(+)
diff --git a/target/arm/cpu-param.h b/target/arm/cpu-param.h
index 08681828ac..118ca0e5c0 100644
--- a/target/arm/cpu-param.h
+++ b/target/arm/cpu-param.h
@@ -30,6 +30,14 @@
*/
# define TARGET_PAGE_BITS_VARY
# define TARGET_PAGE_BITS_MIN 10
+
+/*
+ * Cache the attrs and sharability fields from the page table entry.
+ */
+# define TARGET_PAGE_ENTRY_EXTRA \
+ uint8_t pte_attrs; \
+ uint8_t shareability;
+
#endif
#define NB_MMU_MODES 8
diff --git a/target/arm/tlb_helper.c b/target/arm/tlb_helper.c
index 49601394ec..353edbeb1d 100644
--- a/target/arm/tlb_helper.c
+++ b/target/arm/tlb_helper.c
@@ -236,6 +236,9 @@ bool arm_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
arm_tlb_mte_tagged(&res.f.attrs) = true;
}
+ res.f.pte_attrs = res.cacheattrs.attrs;
+ res.f.shareability = res.cacheattrs.shareability;
+
tlb_set_page_full(cs, mmu_idx, address, &res.f);
return true;
} else if (probe) {
--
2.34.1
- [PATCH v3 22/42] target/arm: Use probe_access_full for MTE, (continued)
- [PATCH v3 22/42] target/arm: Use probe_access_full for MTE, Richard Henderson, 2022/10/01
- [PATCH v3 09/42] target/arm: Add is_secure parameter to do_ats_write, Richard Henderson, 2022/10/01
- [PATCH v3 17/42] target/arm: Fix ATS12NSO* from S PL1, Richard Henderson, 2022/10/01
- [PATCH v3 18/42] target/arm: Split out get_phys_addr_disabled, Richard Henderson, 2022/10/01
- [PATCH v3 23/42] target/arm: Use probe_access_full for BTI, Richard Henderson, 2022/10/01
- [PATCH v3 24/42] target/arm: Add ARMMMUIdx_Phys_{S,NS}, Richard Henderson, 2022/10/01
- [PATCH v3 21/42] target/arm: Enable TARGET_PAGE_ENTRY_EXTRA,
Richard Henderson <=
- [PATCH v3 25/42] target/arm: Move ARMMMUIdx_Stage2 to a real tlb mmu_idx, Richard Henderson, 2022/10/01
- [PATCH v3 26/42] target/arm: Plumb debug into S1_ptw_translate, Richard Henderson, 2022/10/01
- [PATCH v3 27/42] target/arm: Use softmmu tlbs for page table walking, Richard Henderson, 2022/10/01