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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-11 12:36:41 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-12 15:20:32 -0300 |
| commit | 7d7d1bf1d1dabe435ef50efb051724b8664749cb (patch) | |
| tree | 25b24227fb2d78e03262785ba893c1fb21306d1c /tools/arch/x86/include/asm/required-features.h | |
| parent | c4b6014e8bb0c8d47fe5c71ebc604f31091e5d3f (diff) | |
| download | lwn-7d7d1bf1d1dabe435ef50efb051724b8664749cb.tar.gz lwn-7d7d1bf1d1dabe435ef50efb051724b8664749cb.zip | |
perf bench: Copy kernel files needed to build mem{cpy,set} x86_64 benchmarks
We can't access kernel files directly from tools/, so copy the required
bits, and make sure that we detect when the original files, in the
kernel, gets modified.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-z7e76274ch5j4nugv048qacb@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/arch/x86/include/asm/required-features.h')
| -rw-r--r-- | tools/arch/x86/include/asm/required-features.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/tools/arch/x86/include/asm/required-features.h b/tools/arch/x86/include/asm/required-features.h new file mode 100644 index 000000000000..4916144e3c42 --- /dev/null +++ b/tools/arch/x86/include/asm/required-features.h @@ -0,0 +1,103 @@ +#ifndef _ASM_X86_REQUIRED_FEATURES_H +#define _ASM_X86_REQUIRED_FEATURES_H + +/* Define minimum CPUID feature set for kernel These bits are checked + really early to actually display a visible error message before the + kernel dies. Make sure to assign features to the proper mask! + + Some requirements that are not in CPUID yet are also in the + CONFIG_X86_MINIMUM_CPU_FAMILY which is checked too. + + The real information is in arch/x86/Kconfig.cpu, this just converts + the CONFIGs into a bitmask */ + +#ifndef CONFIG_MATH_EMULATION +# define NEED_FPU (1<<(X86_FEATURE_FPU & 31)) +#else +# define NEED_FPU 0 +#endif + +#if defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64) +# define NEED_PAE (1<<(X86_FEATURE_PAE & 31)) +#else +# define NEED_PAE 0 +#endif + +#ifdef CONFIG_X86_CMPXCHG64 +# define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31)) +#else +# define NEED_CX8 0 +#endif + +#if defined(CONFIG_X86_CMOV) || defined(CONFIG_X86_64) +# define NEED_CMOV (1<<(X86_FEATURE_CMOV & 31)) +#else +# define NEED_CMOV 0 +#endif + +#ifdef CONFIG_X86_USE_3DNOW +# define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31)) +#else +# define NEED_3DNOW 0 +#endif + +#if defined(CONFIG_X86_P6_NOP) || defined(CONFIG_X86_64) +# define NEED_NOPL (1<<(X86_FEATURE_NOPL & 31)) +#else +# define NEED_NOPL 0 +#endif + +#ifdef CONFIG_MATOM +# define NEED_MOVBE (1<<(X86_FEATURE_MOVBE & 31)) +#else +# define NEED_MOVBE 0 +#endif + +#ifdef CONFIG_X86_64 +#ifdef CONFIG_PARAVIRT +/* Paravirtualized systems may not have PSE or PGE available */ +#define NEED_PSE 0 +#define NEED_PGE 0 +#else +#define NEED_PSE (1<<(X86_FEATURE_PSE) & 31) +#define NEED_PGE (1<<(X86_FEATURE_PGE) & 31) +#endif +#define NEED_MSR (1<<(X86_FEATURE_MSR & 31)) +#define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31)) +#define NEED_XMM (1<<(X86_FEATURE_XMM & 31)) +#define NEED_XMM2 (1<<(X86_FEATURE_XMM2 & 31)) +#define NEED_LM (1<<(X86_FEATURE_LM & 31)) +#else +#define NEED_PSE 0 +#define NEED_MSR 0 +#define NEED_PGE 0 +#define NEED_FXSR 0 +#define NEED_XMM 0 +#define NEED_XMM2 0 +#define NEED_LM 0 +#endif + +#define REQUIRED_MASK0 (NEED_FPU|NEED_PSE|NEED_MSR|NEED_PAE|\ + NEED_CX8|NEED_PGE|NEED_FXSR|NEED_CMOV|\ + NEED_XMM|NEED_XMM2) +#define SSE_MASK (NEED_XMM|NEED_XMM2) + +#define REQUIRED_MASK1 (NEED_LM|NEED_3DNOW) + +#define REQUIRED_MASK2 0 +#define REQUIRED_MASK3 (NEED_NOPL) +#define REQUIRED_MASK4 (NEED_MOVBE) +#define REQUIRED_MASK5 0 +#define REQUIRED_MASK6 0 +#define REQUIRED_MASK7 0 +#define REQUIRED_MASK8 0 +#define REQUIRED_MASK9 0 +#define REQUIRED_MASK10 0 +#define REQUIRED_MASK11 0 +#define REQUIRED_MASK12 0 +#define REQUIRED_MASK13 0 +#define REQUIRED_MASK14 0 +#define REQUIRED_MASK15 0 +#define REQUIRED_MASK16 0 + +#endif /* _ASM_X86_REQUIRED_FEATURES_H */ |