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| author | Richard Henderson | 2018-05-10 19:10:57 +0200 |
|---|---|---|
| committer | Peter Maydell | 2018-05-10 19:10:57 +0200 |
| commit | 68412d2ecedbab5a43b0d346cddb27e00d724aff (patch) | |
| tree | f781fc20d49ccc1cafa862dcaa91395b35a23f97 /linux-user | |
| parent | target/riscv: Use new atomic min/max expanders (diff) | |
| download | qemu-68412d2ecedbab5a43b0d346cddb27e00d724aff.tar.gz qemu-68412d2ecedbab5a43b0d346cddb27e00d724aff.tar.xz qemu-68412d2ecedbab5a43b0d346cddb27e00d724aff.zip | |
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 'linux-user')
| -rw-r--r-- | linux-user/elfload.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 36d52194bc..13bc78d0c8 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -581,6 +581,7 @@ static uint32_t get_elf_hwcap(void) GET_FEATURE(ARM_FEATURE_V8_SHA512, ARM_HWCAP_A64_SHA512); GET_FEATURE(ARM_FEATURE_V8_FP16, ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP); + GET_FEATURE(ARM_FEATURE_V8_ATOMICS, ARM_HWCAP_A64_ATOMICS); GET_FEATURE(ARM_FEATURE_V8_RDM, ARM_HWCAP_A64_ASIMDRDM); GET_FEATURE(ARM_FEATURE_V8_FCMA, ARM_HWCAP_A64_FCMA); #undef GET_FEATURE |