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linux-user: Report AArch64 FP16 support via hwcap bits 

Set the appropriate Linux hwcap bits to tell the guest binary if we
have implemented half-precision floating point support.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Peter Maydell 2018-03-01 11:05:58 +00:00
parent 969b389ee8
commit 201b19d5ce
1 changed files with 2 additions and 0 deletions
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2
linux-user/elfload.c
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@ -551,6 +551,8 @@ static uint32_t get_elf_hwcap(void)
GET_FEATURE(ARM_FEATURE_V8_SM3, ARM_HWCAP_A64_SM3);
GET_FEATURE(ARM_FEATURE_V8_SM4, ARM_HWCAP_A64_SM4);
GET_FEATURE(ARM_FEATURE_V8_SHA512, ARM_HWCAP_A64_SHA512);
GET_FEATURE(ARM_FEATURE_V8_FP16,
ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP);
#undef GET_FEATURE
return hwcaps;