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Code Issues Releases Wiki Activity

compel: fpu -- Add compel_test_fpu_cap helper

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Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
This commit is contained in:
Cyrill Gorcunov 2018-07-19 15:47:34 +03:00 committed by Andrei Vagin
parent c926e2a718
commit 888514aee0
7 changed files with 13 additions and 0 deletions
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1
compel/arch/aarch64/src/lib/cpu.c
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@ -16,6 +16,7 @@ static bool rt_info_done = false;
void compel_set_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { } void compel_set_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { }
void compel_clear_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { } void compel_clear_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { }
int compel_test_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { return 0; } int compel_test_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { return 0; }
int compel_test_fpu_cap(compel_cpuinfo_t *info, unsigned int feature) { return 0; }
int compel_cpuid(compel_cpuinfo_t *info) { return 0; } int compel_cpuid(compel_cpuinfo_t *info) { return 0; }
bool compel_cpu_has_feature(unsigned int feature) bool compel_cpu_has_feature(unsigned int feature)

1
compel/arch/arm/src/lib/cpu.c
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@ -16,6 +16,7 @@ static bool rt_info_done = false;
void compel_set_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { } void compel_set_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { }
void compel_clear_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { } void compel_clear_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { }
int compel_test_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { return 0; } int compel_test_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { return 0; }
int compel_test_fpu_cap(compel_cpuinfo_t *info, unsigned int feature) { return 0; }
int compel_cpuid(compel_cpuinfo_t *info) { return 0; } int compel_cpuid(compel_cpuinfo_t *info) { return 0; }
bool compel_cpu_has_feature(unsigned int feature) bool compel_cpu_has_feature(unsigned int feature)

1
compel/arch/ppc64/src/lib/cpu.c
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@ -17,6 +17,7 @@ static bool rt_info_done = false;
void compel_set_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { } void compel_set_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { }
void compel_clear_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { } void compel_clear_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { }
int compel_test_fpu_cap(compel_cpuinfo_t *info, unsigned int feature) { return 0; }
int compel_test_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { return 0; } int compel_test_cpu_cap(compel_cpuinfo_t *info, unsigned int feature) { return 0; }
int compel_cpuid(compel_cpuinfo_t *info) int compel_cpuid(compel_cpuinfo_t *info)

1
compel/arch/s390/src/lib/cpu.c
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@ -17,6 +17,7 @@ static bool rt_info_done = false;
void compel_set_cpu_cap(compel_cpuinfo_t *c, unsigned int feature) { } void compel_set_cpu_cap(compel_cpuinfo_t *c, unsigned int feature) { }
void compel_clear_cpu_cap(compel_cpuinfo_t *c, unsigned int feature) { } void compel_clear_cpu_cap(compel_cpuinfo_t *c, unsigned int feature) { }
int compel_test_fpu_cap(compel_cpuinfo_t *info, unsigned int feature) { return 0; }
int compel_test_cpu_cap(compel_cpuinfo_t *c, unsigned int feature) { return 0; } int compel_test_cpu_cap(compel_cpuinfo_t *c, unsigned int feature) { return 0; }
int compel_cpuid(compel_cpuinfo_t *info) int compel_cpuid(compel_cpuinfo_t *info)

7
compel/arch/x86/src/lib/cpu.c
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@ -67,6 +67,13 @@ int compel_test_cpu_cap(compel_cpuinfo_t *c, unsigned int feature)
return 0; return 0;
} }
int compel_test_fpu_cap(compel_cpuinfo_t *c, unsigned int feature)
{
if (likely(feature < XFEATURE_MAX))
return (c->xfeatures_mask & (1UL << feature));
return 0;
}
static int compel_fpuid(compel_cpuinfo_t *c) static int compel_fpuid(compel_cpuinfo_t *c)
{ {
unsigned int last_good_offset; unsigned int last_good_offset;

1
compel/arch/x86/src/lib/include/uapi/asm/fpu.h
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@ -63,6 +63,7 @@ enum xfeature {
#define XFEATURE_MASK_PT (1 << XFEATURE_PT) #define XFEATURE_MASK_PT (1 << XFEATURE_PT)
#define XFEATURE_MASK_PKRU (1 << XFEATURE_PKRU) #define XFEATURE_MASK_PKRU (1 << XFEATURE_PKRU)
#define XFEATURE_MASK_HDC (1 << XFEATURE_HDC) #define XFEATURE_MASK_HDC (1 << XFEATURE_HDC)
#define XFEATURE_MASK_MAX (1 << XFEATURE_MAX)
#define XFEATURE_MASK_FPSSE (XFEATURE_MASK_FP | XFEATURE_MASK_SSE) #define XFEATURE_MASK_FPSSE (XFEATURE_MASK_FP | XFEATURE_MASK_SSE)
#define XFEATURE_MASK_AVX512 (XFEATURE_MASK_OPMASK | XFEATURE_MASK_ZMM_Hi256 | XFEATURE_MASK_Hi16_ZMM) #define XFEATURE_MASK_AVX512 (XFEATURE_MASK_OPMASK | XFEATURE_MASK_ZMM_Hi256 | XFEATURE_MASK_Hi16_ZMM)

1
compel/include/compel-cpu.h
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@ -7,5 +7,6 @@
extern void compel_set_cpu_cap(compel_cpuinfo_t *info, unsigned int feature); extern void compel_set_cpu_cap(compel_cpuinfo_t *info, unsigned int feature);
extern void compel_clear_cpu_cap(compel_cpuinfo_t *info, unsigned int feature); extern void compel_clear_cpu_cap(compel_cpuinfo_t *info, unsigned int feature);
extern int compel_test_cpu_cap(compel_cpuinfo_t *info, unsigned int feature); extern int compel_test_cpu_cap(compel_cpuinfo_t *info, unsigned int feature);
extern int compel_test_fpu_cap(compel_cpuinfo_t *c, unsigned int feature);
#endif #endif