diff options
Diffstat (limited to 'gnu/gcc')
| -rw-r--r-- | gnu/gcc/gcc/config/i386/cpuid.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/gnu/gcc/gcc/config/i386/cpuid.h b/gnu/gcc/gcc/config/i386/cpuid.h new file mode 100644 index 00000000000..a0636f6f396 --- /dev/null +++ b/gnu/gcc/gcc/config/i386/cpuid.h @@ -0,0 +1,172 @@ +/*===---- cpuid.h - X86 cpu model detection --------------------------------=== + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + *===-----------------------------------------------------------------------=== + */ + +#if !(__x86_64__ || __i386__) +#error this header is for x86 only +#endif + +/* Features in %ecx for level 1 */ +#define bit_SSE3 0x00000001 +#define bit_PCLMULQDQ 0x00000002 +#define bit_PCLMUL bit_PCLMULQDQ /* for gcc compat */ +#define bit_DTES64 0x00000004 +#define bit_MONITOR 0x00000008 +#define bit_DSCPL 0x00000010 +#define bit_VMX 0x00000020 +#define bit_SMX 0x00000040 +#define bit_EIST 0x00000080 +#define bit_TM2 0x00000100 +#define bit_SSSE3 0x00000200 +#define bit_CNXTID 0x00000400 +#define bit_FMA 0x00001000 +#define bit_CMPXCHG16B 0x00002000 +#define bit_xTPR 0x00004000 +#define bit_PDCM 0x00008000 +#define bit_PCID 0x00020000 +#define bit_DCA 0x00040000 +#define bit_SSE41 0x00080000 +#define bit_SSE4_1 bit_SSE41 /* for gcc compat */ +#define bit_SSE42 0x00100000 +#define bit_SSE4_2 bit_SSE42 /* for gcc compat */ +#define bit_x2APIC 0x00200000 +#define bit_MOVBE 0x00400000 +#define bit_POPCNT 0x00800000 +#define bit_TSCDeadline 0x01000000 +#define bit_AESNI 0x02000000 +#define bit_AES bit_AESNI /* for gcc compat */ +#define bit_XSAVE 0x04000000 +#define bit_OSXSAVE 0x08000000 +#define bit_AVX 0x10000000 +#define bit_F16C 0x20000000 +#define bit_RDRAND 0x40000000 + +/* Features in %edx for level 1 */ +#define bit_FPU 0x00000001 +#define bit_VME 0x00000002 +#define bit_DE 0x00000004 +#define bit_PSE 0x00000008 +#define bit_TSC 0x00000010 +#define bit_MSR 0x00000020 +#define bit_PAE 0x00000040 +#define bit_MCE 0x00000080 +#define bit_CX8 0x00000100 +#define bit_CMPXCHG8B bit_CX8 /* for gcc compat */ +#define bit_APIC 0x00000200 +#define bit_SEP 0x00000800 +#define bit_MTRR 0x00001000 +#define bit_PGE 0x00002000 +#define bit_MCA 0x00004000 +#define bit_CMOV 0x00008000 +#define bit_PAT 0x00010000 +#define bit_PSE36 0x00020000 +#define bit_PSN 0x00040000 +#define bit_CLFSH 0x00080000 +#define bit_DS 0x00200000 +#define bit_ACPI 0x00400000 +#define bit_MMX 0x00800000 +#define bit_FXSR 0x01000000 +#define bit_FXSAVE bit_FXSR /* for gcc compat */ +#define bit_SSE 0x02000000 +#define bit_SSE2 0x04000000 +#define bit_SS 0x08000000 +#define bit_HTT 0x10000000 +#define bit_TM 0x20000000 +#define bit_PBE 0x80000000 + +/* Features in %ebx for level 7 sub-leaf 0 */ +#define bit_FSGSBASE 0x00000001 +#define bit_BMI 0x00000008 +#define bit_HLE 0x00000010 +#define bit_AVX2 0x00000020 +#define bit_SMEP 0x00000080 +#define bit_BMI2 0x00000100 +#define bit_ENH_MOVSB 0x00000200 +#define bit_INVPCID 0x00000400 +#define bit_RTM 0x00000800 +#define bit_RDSEED 0x00040000 +#define bit_ADX 0x00080000 +#define bit_SMAP 0x00100000 + +/* PIC on i386 uses %ebx, so preserve it. */ +#if __i386__ +#define __cpuid(__level, __eax, __ebx, __ecx, __edx) \ + __asm(" pushl %%ebx\n" \ + " cpuid\n" \ + " mov %%ebx,%1\n" \ + " popl %%ebx" \ + : "=a"(__eax), "=r" (__ebx), "=c"(__ecx), "=d"(__edx) \ + : "0"(__level)) + +#define __cpuid_count(__level, __count, __eax, __ebx, __ecx, __edx) \ + __asm(" pushl %%ebx\n" \ + " cpuid\n" \ + " mov %%ebx,%1\n" \ + " popl %%ebx" \ + : "=a"(__eax), "=r" (__ebx), "=c"(__ecx), "=d"(__edx) \ + : "0"(__level), "2"(__count)) +#else +#define __cpuid(__level, __eax, __ebx, __ecx, __edx) \ + __asm("cpuid" : "=a"(__eax), "=b" (__ebx), "=c"(__ecx), "=d"(__edx) \ + : "0"(__level)) + +#define __cpuid_count(__level, __count, __eax, __ebx, __ecx, __edx) \ + __asm("cpuid" : "=a"(__eax), "=b" (__ebx), "=c"(__ecx), "=d"(__edx) \ + : "0"(__level), "2"(__count)) +#endif + +static __inline int __get_cpuid (unsigned int __level, unsigned int *__eax, + unsigned int *__ebx, unsigned int *__ecx, + unsigned int *__edx) { + __cpuid(__level, *__eax, *__ebx, *__ecx, *__edx); + return 1; +} + +static __inline int __get_cpuid_max (unsigned int __level, unsigned int *__sig) +{ + unsigned int __eax, __ebx, __ecx, __edx; +#if __i386__ + int __cpuid_supported; + + __asm(" pushfl\n" + " popl %%eax\n" + " movl %%eax,%%ecx\n" + " xorl $0x00200000,%%eax\n" + " pushl %%eax\n" + " popfl\n" + " pushfl\n" + " popl %%eax\n" + " movl $0,%0\n" + " cmpl %%eax,%%ecx\n" + " je 1f\n" + " movl $1,%0\n" + "1:" + : "=r" (__cpuid_supported) : : "eax", "ecx"); + if (!__cpuid_supported) + return 0; +#endif + + __cpuid(__level, __eax, __ebx, __ecx, __edx); + if (__sig) + *__sig = __ebx; + return __eax; +} |