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| author | Richard Henderson <richard.henderson@linaro.org> | 2022-10-25 18:40:48 +1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-03-05 13:44:07 -0800 |
| commit | 5d133dd839e80e48702916b629c8b396e28611c8 (patch) | |
| tree | c3efe42bb4b656db1ae526f2dcfdc4e238a2a1d9 /include | |
| parent | 417aeaff542e6349694b6ebcdff127f926ec3c7e (diff) | |
| download | qemu-5d133dd839e80e48702916b629c8b396e28611c8.zip qemu-5d133dd839e80e48702916b629c8b396e28611c8.tar.gz qemu-5d133dd839e80e48702916b629c8b396e28611c8.tar.bz2 | |
include/qemu/cpuid: Introduce xgetbv_low
Replace the two uses of asm to expand xgetbv with an inline function.
Since one of the two has been using the mnemonic, assume that the
comment about "older versions of the assember" is obsolete, as even
that is 4 years old.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/qemu/cpuid.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/qemu/cpuid.h b/include/qemu/cpuid.h index 7adb12d..1451e8e 100644 --- a/include/qemu/cpuid.h +++ b/include/qemu/cpuid.h @@ -71,4 +71,11 @@ #define bit_LZCNT (1 << 5) #endif +static inline unsigned xgetbv_low(unsigned c) +{ + unsigned a, d; + asm("xgetbv" : "=a"(a), "=d"(d) : "c"(c)); + return a; +} + #endif /* QEMU_CPUID_H */ |