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target/arm: Create tagged ram when MTE is enabled

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200626033144.790098-44-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2020-06-25 20:31:41 -07:00 • committed by Peter Maydell
parent 337a03f07f
commit 8bce44a2f6
3 changed files with 107 additions and 6 deletions
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6
target/arm/cpu.h
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@ -792,6 +792,10 @@ struct ARMCPU {
/* MemoryRegion to use for secure physical accesses */
MemoryRegion *secure_memory;
/* MemoryRegion to use for allocation tag accesses */
MemoryRegion *tag_memory;
MemoryRegion *secure_tag_memory;
/* For v8M, pointer to the IDAU interface provided by board/SoC */
Object *idau;
@ -2985,6 +2989,8 @@ typedef enum ARMMMUIdxBit {
typedef enum ARMASIdx {
ARMASIdx_NS = 0,
ARMASIdx_S = 1,
ARMASIdx_TagNS = 2,
ARMASIdx_TagS = 3,
} ARMASIdx;
/* Return the Exception Level targeted by debug exceptions. */