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target/arm: Add mte helpers for sve scalar + int loads

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Because the elements are sequential, we can eliminate many tests all
at once when the tag hits TCMA, or if the page(s) are not Tagged.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200626033144.790098-34-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2020-06-25 20:31:31 -07:00 • committed by Peter Maydell
parent 149d3b31f3
commit 206adacfb8
5 changed files with 378 additions and 91 deletions
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target/arm/cpu.h
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@ -3405,6 +3405,7 @@ static inline MemTxAttrs *typecheck_memtxattrs(MemTxAttrs *x)
* generic target bits directly.
*/
#define arm_tlb_bti_gp(x) (typecheck_memtxattrs(x)->target_tlb_bit0)
#define arm_tlb_mte_tagged(x) (typecheck_memtxattrs(x)->target_tlb_bit1)
/*
* Naming convention for isar_feature functions: