X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fcpuid%2Fcpuid.h;h=e923259292cc0c041218f51520e915777f75fae0;hp=5de2ed157be15becafcb7ec488754d98e3cddf90;hb=HEAD;hpb=83d4e1285dec87fa54043377eafd1b3bf9b0c53f diff --git a/ccan/cpuid/cpuid.h b/ccan/cpuid/cpuid.h index 5de2ed15..e9232592 100644 --- a/ccan/cpuid/cpuid.h +++ b/ccan/cpuid/cpuid.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013 Ahmed Samy + * Copyright (c) 2013, 2015 Ahmed Samy * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -24,43 +24,44 @@ #include #include +#include /** * enum cpuid - stuff to get information about from the CPU. * * This is used as a parameter in cpuid(). * - * CPUID_VENDORID: + * %CPUID_VENDORID: * The CPU's Vendor ID. * - * CPUID_PROCINFO_AND_FEATUREBITS: + * %CPUID_PROCINFO_AND_FEATUREBITS: * Processor information and feature bits (SSE, etc.). * - * CPUID_CACHE_AND_TLBD_INFO + * %CPUID_CACHE_AND_TLBD_INFO * Cache and TLBD Information. * For AMD: Use CPUID_EXTENDED_L2_CACHE_FEATURES * - * CPUID_HIGHEST_EXTENDED_FUNCTION_SUPPORTED: + * %CPUID_HIGHEST_EXTENDED_FUNCTION_SUPPORTED: * Highest extended function supported address. * Can be like 0x80000008. * - * CPUID_EXTENDED_PROC_INFO_FEATURE_BITS: + * %CPUID_EXTENDED_PROC_INFO_FEATURE_BITS: * Extended processor information and feature bits (64bit etc.) * - * CPUID_PROC_BRAND_STRING: + * %CPUID_PROC_BRAND_STRING: * The Processor's brand string. * - * CPUID_L1_CACHE_AND_TLB_IDS: + * %CPUID_L1_CACHE_AND_TLB_IDS: * L1 Cache and TLB Identifications. * AMD Only. * - * CPUID_EXTENDED_L2_CACHE_FEATURES: + * %CPUID_EXTENDED_L2_CACHE_FEATURES: * Extended L2 Cache features. * - * CPUID_ADV_POWER_MGT_INFO: + * %CPUID_ADV_POWER_MGT_INFO: * Advaned power management information. * - * CPUID_VIRT_PHYS_ADDR_SIZES: + * %CPUID_VIRT_PHYS_ADDR_SIZES: * Virtual and physical address sizes. */ @@ -105,6 +106,16 @@ enum { CPUID_FEAT_ECX_OSXSAVE = 1 << 27, CPUID_FEAT_ECX_AVX = 1 << 28, + CPUID_FEAT_ECX_ALL = CPUID_FEAT_ECX_SSE3 | CPUID_FEAT_ECX_PCLMUL | CPUID_FEAT_ECX_DTES64 + | CPUID_FEAT_ECX_MONITOR | CPUID_FEAT_ECX_DS_CPL | CPUID_FEAT_ECX_VMX + | CPUID_FEAT_ECX_SMX | CPUID_FEAT_ECX_EST | CPUID_FEAT_ECX_TM2 + | CPUID_FEAT_ECX_SSSE3 | CPUID_FEAT_ECX_CID | CPUID_FEAT_ECX_FMA + | CPUID_FEAT_ECX_CX16 | CPUID_FEAT_ECX_ETPRD | CPUID_FEAT_ECX_PDCM + | CPUID_FEAT_ECX_DCA | CPUID_FEAT_ECX_SSE4_1 | CPUID_FEAT_ECX_SSE4_2 + | CPUID_FEAT_ECX_x2APIC | CPUID_FEAT_ECX_MOVBE | CPUID_FEAT_ECX_POPCNT + | CPUID_FEAT_ECX_AES | CPUID_FEAT_ECX_XSAVE | CPUID_FEAT_ECX_OSXSAVE + | CPUID_FEAT_ECX_AVX, + CPUID_FEAT_EDX_FPU = 1 << 0, CPUID_FEAT_EDX_VME = 1 << 1, CPUID_FEAT_EDX_DE = 1 << 2, @@ -134,7 +145,72 @@ enum { CPUID_FEAT_EDX_HTT = 1 << 28, CPUID_FEAT_EDX_TM1 = 1 << 29, CPUID_FEAT_EDX_IA64 = 1 << 30, - CPUID_FEAT_EDX_PBE = 1 << 31 + CPUID_FEAT_EDX_PBE = 1 << 31, + + CPUID_FEAT_EDX_ALL = CPUID_FEAT_EDX_FPU | CPUID_FEAT_EDX_VME | CPUID_FEAT_EDX_DE + | CPUID_FEAT_EDX_PSE | CPUID_FEAT_EDX_TSC | CPUID_FEAT_EDX_MSR + | CPUID_FEAT_EDX_PAE | CPUID_FEAT_EDX_MCE | CPUID_FEAT_EDX_CX8 + | CPUID_FEAT_EDX_APIC | CPUID_FEAT_EDX_SEP | CPUID_FEAT_EDX_MTRR + | CPUID_FEAT_EDX_PGE | CPUID_FEAT_EDX_MCA | CPUID_FEAT_EDX_CMOV + | CPUID_FEAT_EDX_PAT | CPUID_FEAT_EDX_PSE36 | CPUID_FEAT_EDX_PSN + | CPUID_FEAT_EDX_CLF | CPUID_FEAT_EDX_DTES | CPUID_FEAT_EDX_ACPI + | CPUID_FEAT_EDX_MMX | CPUID_FEAT_EDX_FXSR | CPUID_FEAT_EDX_SSE + | CPUID_FEAT_EDX_SSE2 | CPUID_FEAT_EDX_SS | CPUID_FEAT_EDX_HTT + | CPUID_FEAT_EDX_TM1 | CPUID_FEAT_EDX_IA64 | CPUID_FEAT_EDX_PBE +}; + +enum { + CPUID_EXTFEAT_ECX_LAHF_LM = 1 << 0, + CPUID_EXTFEAT_ECX_CMP_LEGACY = 1 << 1, + CPUID_EXTFEAT_ECX_SVM = 1 << 2, + CPUID_EXTFEAT_ECX_EXTAPIC = 1 << 3, + CPUID_EXTFEAT_ECX_CR8_LEGACY = 1 << 4, + CPUID_EXTFEAT_ECX_ABM = 1 << 5, + CPUID_EXTFEAT_ECX_SSE4A = 1 << 6, + CPUID_EXTFEAT_ECX_MISALIGNSSE = 1 << 7, + CPUID_EXTFEAT_ECX_3DNOWPREFETCH = 1 << 8, + CPUID_EXTFEAT_ECX_OSVW = 1 << 9, + CPUID_EXTFEAT_ECX_IBS = 1 << 10, + CPUID_EXTFEAT_ECX_XOP = 1 << 11, + CPUID_EXTFEAT_ECX_SKINIT = 1 << 12, + CPUID_EXTFEAT_ECX_WDT = 1 << 13, + CPUID_EXTFEAT_ECX_LWP = 1 << 15, + CPUID_EXTFEAT_ECX_FMA4 = 1 << 16, + CPUID_EXTFEAT_ECX_TCE = 1 << 17, + CPUID_EXTFEAT_ECX_NODEIDE_MSR = 1 << 19, + CPUID_EXTFEAT_ECX_TBM = 1 << 21, + CPUID_EXTFEAT_ECX_TOPOEXT = 1 << 22, + CPUID_EXTFEAT_ECX_PERFXTR_CORE = 1 << 23, + CPUID_EXTFEAT_ECX_PERFCTR_NB = 1 << 24, + + CPUID_EXTFEAT_EDX_FPU = 1 << 0, + CPUID_EXTFEAT_EDX_VME = 1 << 1, + CPUID_EXTFEAT_EDX_DE = 1 << 2, + CPUID_EXTFEAT_EDX_PSE = 1 << 3, + CPUID_EXTFEAT_EDX_TSC = 1 << 4, + CPUID_EXTFEAT_EDX_MSR = 1 << 5, + CPUID_EXTFEAT_EDX_PAE = 1 << 6, + CPUID_EXTFEAT_EDX_MCE = 1 << 7, + CPUID_EXTFEAT_EDX_CX8 = 1 << 8, + CPUID_EXTFEAT_EDX_APIC = 1 << 9, + CPUID_EXTFEAT_EDX_SYSCALL = 1 << 11, + CPUID_EXTFEAT_EDX_MTRR = 1 << 12, + CPUID_EXTFEAT_EDX_PGE = 1 << 13, + CPUID_EXTFEAT_EDX_MCA = 1 << 14, + CPUID_EXTFEAT_EDX_CMOV = 1 << 15, + CPUID_EXTFEAT_EDX_PAT = 1 << 16, + CPUID_EXTFEAT_EDX_PSE36 = 1 << 17, + CPUID_EXTFEAT_EDX_MP = 1 << 19, + CPUID_EXTFEAT_EDX_NX = 1 << 20, + CPUID_EXTFEAT_EDX_MMXEXT = 1 << 22, + CPUID_EXTFEAT_EDX_MMX = 1 << 23, + CPUID_EXTFEAT_EDX_FXSR = 1 << 24, + CPUID_EXTFEAT_EDX_FXSR_OPT = 1 << 25, + CPUID_EXTFEAT_EDX_PDPE1GB = 1 << 26, + CPUID_EXTFEAT_EDX_RDTSCP = 1 << 27, + CPUID_EXTFEAT_EDX_LM = 1 << 29, + CPUID_EXTFEAT_EDX_3DNOWEXT = 1 << 30, + CPUID_EXTFEAT_EDX_3DNOW = 1 << 31 }; typedef enum cputype { @@ -155,6 +231,25 @@ typedef enum cputype { CT_KVM } cputype_t; +static char const *const c_cpunames[] = { + "Nooooooooone", + "AMDisbetter!", + "AuthenticAMD", + "CentaurHauls", + "CyrixInstead", + "GenuineIntel", + "TransmetaCPU", + "GeniuneTMx86", + "Geode by NSC", + "NexGenDriven", + "RiseRiseRise", + "SiS SiS SiS ", + "UMC UMC UMC ", + "VIA VIA VIA ", + "Vortex86 SoC", + "KVMKVMKVMKVM" +}; + #if defined(__i386__) || defined(__i386) || defined(__x86_64) \ || defined(_M_AMD64) || defined(__M_X64) @@ -163,19 +258,24 @@ typedef enum cputype { * * Returns the CPU Type as cputype_t. * - * See also: cpuid_get_cpu_type_string() + * See also: cpuid_get_name() */ -#define is_intel_cpu() cpuid_get_cpu_type() == CT_INTEL -#define is_amd_cpu() cpuid_get_cpu_type() == CT_AMDK5 || cpuid_get_cpu_type() == CT_AMD cputype_t cpuid_get_cpu_type(void); -/** - * cpuid_sprintf_cputype - Get CPU Type string - * @cputype: a char of atleast 12 bytes in it. - * - * Returns true on success, false on failure - */ -bool cpuid_sprintf_cputype(const cputype_t cputype, char *buf); +static inline bool cpuid_is_intel(void) +{ + return cpuid_get_cpu_type() == CT_INTEL; +} + +static inline bool cpuid_is_amd(void) +{ + return cpuid_get_cpu_type() == CT_AMDK5 || cpuid_get_cpu_type() == CT_AMD; +} + +static inline const char *cpuid_get_name(void) +{ + return c_cpunames[(int)cpuid_get_cpu_type()]; +} /** * cpuid_is_supported - test if the CPUID instruction is supported @@ -206,6 +306,8 @@ uint32_t cpuid_highest_ext_func_supported(void); /** * cpuid - Get Some information from the CPU. + * @request: a cpuid_t + * @buf: output * * This function expects buf to be a valid pointer to a string/int/... * depending on the requested information. @@ -264,9 +366,25 @@ uint32_t cpuid_highest_ext_func_supported(void); * For CPUID_PROC_BRAND_STRING: * Have a char array with at least 48 bytes assigned to it. * - * If an invalid flag has been passed a 0xbaadf00d is returned in *buf. + * If an invalid request has been passed a 0xbaadf00d is returned in *buf. + */ +void cpuid(cpuid_t request, uint32_t *buf); + +/** + * cpuid_write_info - Write specified CPU information to a file. + * @info: Bit set of information to write. + * @featureset: Bit set of features to write. + * @outfile: Output file pointer + * + * Returns true on success, false otherwise. + * + * Example usage: + * if (!cpuid_write_info(CPUID_VENDORID | CPUID_PROC_BRAND_STRING, + * CPUID_FEAT_ECX_SSE3 | CPUID_FEAT_EDX_FPU, + * fp)) + * ... error ... */ -void cpuid(cpuid_t info, uint32_t *buf); +bool cpuid_write_info(uint32_t info, uint32_t featureset, FILE *outfile); /** * cpuid_test_feature - Test if @feature is available @@ -282,27 +400,47 @@ bool cpuid_test_feature(cpuid_t feature); * cpuid_has_feature - Test if @feature is supported * * Test if the CPU supports MMX/SSE* etc. - * Use cpuid_has_ecxfeature() for *_ECX* features and - * cpuid_has_edxfeature() for *_EDX* features. + * This is split into two parts: + * cpuid_has_ecxfeature and + * cpuid_has_edxfeature. + * See the enum for more information. * * Returns true if the feature is available, false otherwise. */ bool cpuid_has_ecxfeature(int feature); bool cpuid_has_edxfeature(int feature); +/** + * cpuid_has_extfeature - Test if @extfeature is supported + * @extfeature: the extended feature to test. + * + * This is split into two parts: + * cpuid_has_ecxfeature_ext and + * cpuid_has_edxfeature_ext. + * See the enum for more information. + * + * Test if the CPU supports this extfeature. + * Returns true on success, false otherwise. + */ +bool cpuid_has_ecxfeature_ext(int extfeature); +bool cpuid_has_edxfeature_ext(int extfeature); + #else #include -#define cpuid_get_cpu_type() BUILD_ASSERT_OR_ZERO(0) -#define cpuid_get_cpu_type_string() BUILD_ASSERT_OR_ZERO(0) +#define cpuid_get_cpu_type() BUILD_ASSERT_OR_ZERO(0) +#define cpuid_is_intel() BUILD_ASSERT_OR_ZERO(0) +#define cpuid_is_amd() BUILD_ASSERT_OR_ZERO(0) +#define cpuid_get_name() BUILD_ASSERT_OR_ZERO(0) -#define cpuid_is_supported() BUILD_ASSERT_OR_ZERO(0) -#define cpuid(info, buf) BUILD_ASSERT_OR_ZERO(0) +#define cpuid_is_supported() BUILD_ASSERT_OR_ZERO(0) +#define cpuid(request, buf) BUILD_ASSERT_OR_ZERO(0) +#define cpuid_write_info(info, featureset, outfile) BUILD_ASSERT_OR_ZERO(0) -#define cpuid_highest_ext_func_supported() BUILD_ASSERT_OR_ZERO(0) -#define cpuid_test_feature(feature) BUILD_ASSERT_OR_ZERO(0) -#define cpuid_has_ecxfeature(feature) BUILD_ASSERT_OR_ZERO(0) -#define cpuid_has_edxfeature(feature) BUILD_ASSERT_OR_ZERO(0) +#define cpuid_highest_ext_func_supported() BUILD_ASSERT_OR_ZERO(0) +#define cpuid_test_feature(feature) BUILD_ASSERT_OR_ZERO(0) +#define cpuid_has_ecxfeature(feature) BUILD_ASSERT_OR_ZERO(0) +#define cpuid_has_edxfeature(feature) BUILD_ASSERT_OR_ZERO(0) #endif #endif