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21.03

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This commit is contained in:
Igor Pavlov
2021-11-28 19:01:13 -08:00
committed by fn ⌃ ⌥
parent 585698650f
commit d789d4137d
88 changed files with 5996 additions and 1875 deletions
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62
C/CpuArch.c
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@@ -1,5 +1,5 @@
/* CpuArch.c -- CPU specific code
2021-04-28 : Igor Pavlov : Public domain */
2021-07-13 : Igor Pavlov : Public domain */
#include "Precomp.h"
@@ -278,6 +278,30 @@ BoolInt CPU_IsSupported_SHA()
#include <Windows.h>
#endif
BoolInt CPU_IsSupported_AVX2()
{
Cx86cpuid p;
CHECK_SYS_SSE_SUPPORT
#ifdef _WIN32
#define MY__PF_XSAVE_ENABLED 17
if (!IsProcessorFeaturePresent(MY__PF_XSAVE_ENABLED))
return False;
#endif
if (!x86cpuid_CheckAndRead(&p))
return False;
if (p.maxFunc < 7)
return False;
{
UInt32 d[4] = { 0 };
MyCPUID(7, &d[0], &d[1], &d[2], &d[3]);
// printf("\ncpuid(7): ebx=%8x ecx=%8x\n", d[1], d[2]);
return 1
& (d[1] >> 5); // avx2
}
}
BoolInt CPU_IsSupported_VAES_AVX2()
{
Cx86cpuid p;
@@ -329,10 +353,9 @@ BoolInt CPU_IsSupported_PageGB()
#include <Windows.h>
BoolInt CPU_IsSupported_CRC32()
{ return IsProcessorFeaturePresent(PF_ARM_V8_CRC32_INSTRUCTIONS_AVAILABLE) ? 1 : 0; }
BoolInt CPU_IsSupported_CRYPTO()
{ return IsProcessorFeaturePresent(PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE) ? 1 : 0; }
BoolInt CPU_IsSupported_CRC32() { return IsProcessorFeaturePresent(PF_ARM_V8_CRC32_INSTRUCTIONS_AVAILABLE) ? 1 : 0; }
BoolInt CPU_IsSupported_CRYPTO() { return IsProcessorFeaturePresent(PF_ARM_V8_CRYPTO_INSTRUCTIONS_AVAILABLE) ? 1 : 0; }
BoolInt CPU_IsSupported_NEON() { return IsProcessorFeaturePresent(PF_ARM_NEON_INSTRUCTIONS_AVAILABLE) ? 1 : 0; }
#else
@@ -356,17 +379,27 @@ static void Print_sysctlbyname(const char *name)
}
*/
BoolInt CPU_IsSupported_CRC32(void)
static BoolInt My_sysctlbyname_Get_BoolInt(const char *name)
{
UInt32 val = 0;
if (My_sysctlbyname_Get_UInt32(name, &val) == 0 && val == 1)
return 1;
return 0;
}
/*
Print_sysctlbyname("hw.pagesize");
Print_sysctlbyname("machdep.cpu.brand_string");
*/
UInt32 val = 0;
if (My_sysctlbyname_Get_UInt32("hw.optional.armv8_crc32", &val) == 0 && val == 1)
return 1;
return 0;
BoolInt CPU_IsSupported_CRC32(void)
{
return My_sysctlbyname_Get_BoolInt("hw.optional.armv8_crc32");
}
BoolInt CPU_IsSupported_NEON(void)
{
return My_sysctlbyname_Get_BoolInt("hw.optional.neon");
}
#ifdef MY_CPU_ARM64
@@ -390,18 +423,25 @@ BoolInt CPU_IsSupported_AES (void) { return APPLE_CRYPTO_SUPPORT_VAL; }
#include <asm/hwcap.h>
#define MY_HWCAP_CHECK_FUNC_2(name1, name2) \
BoolInt CPU_IsSupported_ ## name1() { return (getauxval(AT_HWCAP) & (HWCAP_ ## name2)) ? 1 : 0; }
#ifdef MY_CPU_ARM64
#define MY_HWCAP_CHECK_FUNC(name) \
BoolInt CPU_IsSupported_ ## name() { return (getauxval(AT_HWCAP) & (HWCAP_ ## name)) ? 1 : 0; }
MY_HWCAP_CHECK_FUNC_2(name, name)
MY_HWCAP_CHECK_FUNC_2(NEON, ASIMD)
// MY_HWCAP_CHECK_FUNC (ASIMD)
#elif defined(MY_CPU_ARM)
#define MY_HWCAP_CHECK_FUNC(name) \
BoolInt CPU_IsSupported_ ## name() { return (getauxval(AT_HWCAP2) & (HWCAP2_ ## name)) ? 1 : 0; }
MY_HWCAP_CHECK_FUNC_2(NEON, NEON)
#endif
#else // USE_HWCAP
#define MY_HWCAP_CHECK_FUNC(name) \
BoolInt CPU_IsSupported_ ## name() { return 0; }
MY_HWCAP_CHECK_FUNC(NEON)
#endif // USE_HWCAP