git.mutantstargoat.com Git - retroray/blob - src/cpuid.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include "cpuid.h"
   4 #include "logger.h"
   5
   6 static const char *cpuname(struct cpuid_info *cpu);
   7 static const char *cpuvendor(struct cpuid_info *cpu);
   8
   9 struct cpuid_info cpuid;
  10
  11 void print_cpuid(struct cpuid_info *cpu)
  12 {
  13         int i, col, len;
  14         static const char *featstr[32] = {
  15                 "fpu", "vme", "dbgext", "pse", "tsc", "msr", "pae", "mce",
  16                 "cx8", "apic", "?", "sep", "mtrr", "pge", "mca", "cmov",
  17                 "pat", "pse36", "psn", "clf", "?", "dtes", "acpi", "mmx",
  18                 "fxsr", "sse", "sse2", "ss", "htt", "tm1", "ia64", "pbe"};
  19         static const char *feat2str[32] = {
  20                 "sse3", "pclmul", "dtes64", "monitor", "ds-cpl", "vmx", "smx", "est",
  21                 "tm2", "ssse3", "cid", "sdbg", "fma", "cx16", "etprd", "pdcm",
  22                 "?", "pcid", "dca", "sse41", "sse42", "x2apic", "movbe", "popcnt",
  23                 "?", "aes", "xsave", "osxsave", "avx", "f16c", "rdrand", "?"};
  24
  25         infomsg("CPU: %s - %s\n", cpuvendor(cpu), cpuname(cpu));
  26         infomsg("features:\n   ");
  27         col = 3;
  28         for(i=0; i<32; i++) {
  29                 if(cpu->feat & (1 << i)) {
  30                         len = strlen(featstr[i]) + 1;
  31                         if(col + len >= 80) {
  32                                 infomsg("\n   ");
  33                                 col = 3;
  34                         }
  35                         infomsg(" %s", featstr[i]);
  36                         col += strlen(featstr[i]) + 1;
  37                 }
  38         }
  39         for(i=0; i<32; i++) {
  40                 if(cpu->feat2 & (1 << i)) {
  41                         len = strlen(feat2str[i]) + 1;
  42                         if(col + len >= 80) {
  43                                 infomsg("\n   ");
  44                                 col = 3;
  45                         }
  46                         infomsg(" %s", feat2str[i]);
  47                         col += strlen(feat2str[i]) + 1;
  48                 }
  49         }
  50         infomsg("\n");
  51 }
  52
  53 static const char *fam4_models[16] = {
  54         "486 DX 25/33", "486 DX 50", "486 SX", "486 DX/2", "486 SL", "486 SX/2",
  55         0, "486 DX/2-WB", "486 DX/4", "486 DX/4-WB"
  56 };
  57 static const char *fam5_models[16] = {
  58         "Pentium 60/66", "Pentium 60/66", "Pentium 75-200", "OverDrive", "Pentium MMX",
  59         0, 0, "Mobile Pentium 75-200", "Mobile Pentium MMX", "Quark"
  60 };
  61 static const char *fam6_models[16] = {
  62         "Pentium Pro", "Pentium Pro", 0, "Pentium 2", "Pentium 2", "Pentium 2",
  63         "Mobile Pentium 2", "Pentium 3", "Pentium 3", 0, "Pentium 3", "Pentium 3"
  64 };
  65
  66
  67 static const char *cpuname(struct cpuid_info *cpu)
  68 {
  69         int model, family;
  70         char *rd, *wr;
  71
  72         if(*cpu->brandstr) {
  73                 /* unwank the string */
  74                 rd = wr = cpu->brandstr;
  75                 while(*rd) {
  76                         if(rd[0] == '(' && rd[1] == 'T' && rd[2] == 'M' && rd[3] == ')')
  77                                 rd += 4;
  78                         else if(rd[0] == '(' && rd[1] == 'R' && rd[2] == ')')
  79                                 rd += 3;
  80                         if(rd != wr) *wr = *rd;
  81                         wr++;
  82                         rd++;
  83                 }
  84                 *wr = 0;
  85                 return cpu->brandstr;
  86         }
  87
  88         if(CPUID_EXTMODEL(cpu->id)) {
  89                 /* processors new enough to have an extended model, should also provide
  90                  * a brand string. If we end up here, we don't know what it is
  91                  */
  92                 return "unknown";
  93         }
  94
  95         model = CPUID_MODEL(cpu->id);
  96         family = CPUID_FAMILY(cpu->id) | (CPUID_EXTFAMILY(cpu->id) << 4);
  97
  98         switch(family) {
  99         case 3: return "386";
 100         case 4: return fam4_models[model] ? fam4_models[model] : "486";
 101         case 5: return fam5_models[model] ? fam5_models[model] : "Pentium";
 102         case 6: return fam6_models[model] ? fam6_models[model] : "unknown";
 103         case 15: return "Pentium 4";
 104         default:
 105                 break;
 106         }
 107         return "unknown";
 108 }
 109
 110 static const char *cpuvendor(struct cpuid_info *cpu)
 111 {
 112         static char other[16];
 113         static const struct { const char *wank, *vendor; } unwanktab[] = {
 114                 {"GenuineIntel", "intel"},
 115                 {"AuthenticAMD", "AMD"},
 116                 {"AMDisbetter!", "AMD"},
 117                 {"CentaurHauls", "IDT"},
 118                 {"CyrixInstead", "Cyrix"},
 119                 {"TransmetaCPU", "Transmeta"},
 120                 {"GenuineTMx86", "Transmeta"},
 121                 {"Geode by NSC", "NatSemi"},
 122                 {"NexGenDriven", "NexGen"},
 123                 {"RiseRiseRise", "Rise"},
 124                 {"SiS SiS SiS ", "SiS"},
 125                 {"UMC UMC UMC ", "UMC"},
 126                 {"VIA VIA VIA ", "VIA"},
 127                 {"Vortex86 SoC", "DM&P"},
 128                 {"  Shanghai  ", "Zhaoxin"},
 129                 {"HygonGenuine", "Hygon"},
 130                 {"E2K MACHINE", "MCST Elbrus"},
 131                 {"MiSTer A0486", "ao486"},
 132                 {"bhyve bhyve ", "bhyve"},
 133                 {" KVMKVMKVM  ", "KVM"},
 134                 {"TCGTCGTCGTCG", "qemu"},
 135                 {"Microsoft Hv", "MS Hyper-V"},
 136                 {" lrpepyh  vr", "Parallels"},
 137                 {"VMwareVMware", "VMware"},
 138                 {"XenVMMXenVMM", "Xen"},
 139                 {"ACRNACRNACRN", "ACRN"},
 140                 {" QNXQVMBSQG ", "QNX Hypervisor"},
 141                 {0, 0}
 142         };
 143
 144         int i;
 145         for(i=0; unwanktab[i].wank; i++) {
 146                 if(memcmp(cpu->vendor, unwanktab[i].wank, 12) == 0) {
 147                         return unwanktab[i].vendor;
 148                 }
 149         }
 150
 151         memcpy(other, cpu->vendor, 12);
 152         other[12] = 0;
 153         return other;
 154 }