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authorRichard Henderson <richard.henderson@linaro.org>2018-05-10 18:10:57 +0100
committerPeter Maydell <peter.maydell@linaro.org>2018-05-10 18:10:57 +0100
commit68412d2ecedbab5a43b0d346cddb27e00d724aff (patch)
treef781fc20d49ccc1cafa862dcaa91395b35a23f97 /target/arm/cpu.h
parent3e281df1e1d17773cc212fa8cd7794957cee1a7d (diff)
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target/arm: Introduce ARM_FEATURE_V8_ATOMICS and initial decode
The insns in the ARMv8.1-Atomics are added to the existing load/store exclusive and load/store reg opcode spaces. Rearrange the top-level decoders for these to accomodate. The Atomics insns themselves still generate Unallocated. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180508151437.4232-8-richard.henderson@linaro.org [PMM: Drop the ARM_FEATURE_V8_1 feature flag] Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/cpu.h')
-rw-r--r--target/arm/cpu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 44e6b77..3b086be 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -1449,6 +1449,7 @@ enum arm_features {
ARM_FEATURE_V8_SHA3, /* implements SHA3 part of v8 Crypto Extensions */
ARM_FEATURE_V8_SM3, /* implements SM3 part of v8 Crypto Extensions */
ARM_FEATURE_V8_SM4, /* implements SM4 part of v8 Crypto Extensions */
+ ARM_FEATURE_V8_ATOMICS, /* ARMv8.1-Atomics feature */
ARM_FEATURE_V8_RDM, /* implements v8.1 simd round multiply */
ARM_FEATURE_V8_FP16, /* implements v8.2 half-precision float */
ARM_FEATURE_V8_FCMA, /* has complex number part of v8.3 extensions. */