15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* CpuArch.c -- CPU specific code 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)2010-10-26: Igor Pavlov : Public domain */ 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "CpuArch.h" 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifdef MY_CPU_X86_OR_AMD64 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if (defined(_MSC_VER) && !defined(MY_CPU_AMD64)) || defined(__GNUC__) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define USE_ASM 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(USE_ASM) && !defined(MY_CPU_AMD64) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static UInt32 CheckFlag(UInt32 flag) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #ifdef _MSC_VER 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm pushfd; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm pop EAX; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm mov EDX, EAX; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm xor EAX, flag; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm push EAX; 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm popfd; 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm pushfd; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm pop EAX; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm xor EAX, EDX; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm push EDX; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm popfd; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm and flag, EAX; 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #else 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm__ __volatile__ ( 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "pushf\n\t" 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "pop %%EAX\n\t" 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "movl %%EAX,%%EDX\n\t" 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "xorl %0,%%EAX\n\t" 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "push %%EAX\n\t" 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "popf\n\t" 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "pushf\n\t" 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "pop %%EAX\n\t" 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "xorl %%EDX,%%EAX\n\t" 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "push %%EDX\n\t" 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "popf\n\t" 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "andl %%EAX, %0\n\t": 42ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch "=c" (flag) : "c" (flag): 43ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch "%eax", "%edx" ); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #endif 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return flag; 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHECK_CPUID_IS_SUPPORTED if (CheckFlag(1 << 18) == 0 || CheckFlag(1 << 21) == 0) return False; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHECK_CPUID_IS_SUPPORTED 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static void MyCPUID(UInt32 function, UInt32 *a, UInt32 *b, UInt32 *c, UInt32 *d) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #ifdef USE_ASM 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #ifdef _MSC_VER 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 a2, b2, c2, d2; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm xor EBX, EBX; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm xor ECX, ECX; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm xor EDX, EDX; 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm mov EAX, function; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm cpuid; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm mov a2, EAX; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm mov b2, EBX; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm mov c2, ECX; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm mov d2, EDX; 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *a = a2; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *b = b2; 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *c = c2; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *d = d2; 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #else 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 767d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) #if defined(MY_CPU_AMD64) 777d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 787d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) __asm__ __volatile__ ( 797d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) "mov %%rbx, %%rdi\n" 807d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) "cpuid\n" 817d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) "xchg %%rdi, %%rbx\n" 827d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) : "=a" (*a) , 837d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) "=D" (*b) , 847d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) "=c" (*c) , 857d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) "=d" (*d) 867d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) : "0" (function)) ; 877d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 887d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) #else 897d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __asm__ __volatile__ ( 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "mov %%ebx, %%edi\n" 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "cpuid\n" 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "xchg %%edi, %%ebx\n" 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : "=a" (*a) , 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "=D" (*b) , 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "=c" (*c) , 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "=d" (*d) 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : "0" (function)) ; 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #endif 1017d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) 1027d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) #endif 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #else 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int CPUInfo[4]; 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) __cpuid(CPUInfo, function); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *a = CPUInfo[0]; 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *b = CPUInfo[1]; 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *c = CPUInfo[2]; 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *d = CPUInfo[3]; 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #endif 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Bool x86cpuid_CheckAndRead(Cx86cpuid *p) 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK_CPUID_IS_SUPPORTED 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MyCPUID(0, &p->maxFunc, &p->vendor[0], &p->vendor[2], &p->vendor[1]); 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MyCPUID(1, &p->ver, &p->b, &p->c, &p->d); 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return True; 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static UInt32 kVendors[][3] = 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 0x756E6547, 0x49656E69, 0x6C65746E}, 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 0x68747541, 0x69746E65, 0x444D4163}, 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 0x746E6543, 0x48727561, 0x736C7561} 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int x86cpuid_GetFirm(const Cx86cpuid *p) 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned i; 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < sizeof(kVendors) / sizeof(kVendors[i]); i++) 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const UInt32 *v = kVendors[i]; 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (v[0] == p->vendor[0] && 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v[1] == p->vendor[1] && 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v[2] == p->vendor[2]) 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (int)i; 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return -1; 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Bool CPU_Is_InOrder() 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Cx86cpuid p; 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int firm; 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 family, model; 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!x86cpuid_CheckAndRead(&p)) 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return True; 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) family = x86cpuid_GetFamily(&p); 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) model = x86cpuid_GetModel(&p); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) firm = x86cpuid_GetFirm(&p); 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (firm) 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case CPU_FIRM_INTEL: return (family < 6 || (family == 6 && model == 0x100C)); 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case CPU_FIRM_AMD: return (family < 5 || (family == 5 && (model < 6 || model == 0xA))); 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case CPU_FIRM_VIA: return (family < 6 || (family == 6 && model < 0xF)); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return True; 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if !defined(MY_CPU_AMD64) && defined(_WIN32) 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static Bool CPU_Sys_Is_SSE_Supported() 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OSVERSIONINFO vi; 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) vi.dwOSVersionInfoSize = sizeof(vi); 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!GetVersionEx(&vi)) 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return False; 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (vi.dwMajorVersion >= 5); 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHECK_SYS_SSE_SUPPORT if (!CPU_Sys_Is_SSE_Supported()) return False; 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHECK_SYS_SSE_SUPPORT 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Bool CPU_Is_Aes_Supported() 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Cx86cpuid p; 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK_SYS_SSE_SUPPORT 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!x86cpuid_CheckAndRead(&p)) 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return False; 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (p.c >> 25) & 1; 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 188