184 lines
3.6 KiB
C
184 lines
3.6 KiB
C
#include "system.h"
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#include "rpmio_internal.h"
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#include "rpmlib.h"
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#include "rpmmacro.h"
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#include "debug.h"
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#define _PROC_CPUINFO "/proc/cpuinfo"
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static const char * cpuinfo = _PROC_CPUINFO;
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#define _isspace(_c) \
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((_c) == ' ' || (_c) == '\t' || (_c) == '\r' || (_c) == '\n')
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/*
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* processor : 0
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* vendor_id : GenuineIntel
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* cpu family : 6
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* model : 8
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* model name : Pentium III (Coppermine)
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* stepping : 1
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* cpu MHz : 664.597
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* cache size : 256 KB
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* physical id : 0
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* siblings : 1
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* fdiv_bug : no
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* hlt_bug : no
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* f00f_bug : no
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* coma_bug : no
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* fpu : yes
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* fpu_exception : yes
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* cpuid level : 2
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* wp : yes
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* flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
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* bogomips : 1327.10
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*/
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struct cpuinfo_s {
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const char *name;
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int done;
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int flags;
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};
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struct cpuinfo_s ctags[] = {
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{ "processor", 0, 0 },
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{ "vendor_id", 0, 0 },
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{ "cpu_family", 0, 1 },
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{ "model", 0, 1 },
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{ "model_name", 0, 2 },
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{ "stepping", 0, 1 },
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{ "cpu_MHz", 0, 0 },
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{ "cache_size", 0, 2 },
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{ "physical_id", 0, 0 },
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{ "siblings", 0, 0 },
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{ "fdiv_bug", 0, 3 },
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{ "hlt_bug", 0, 3 },
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{ "f00f_bug", 0, 3 },
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{ "coma_bug", 0, 3 },
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{ "fpu", 0, 0 }, /* XXX flags attribute instead. */
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{ "fpu_exception", 0, 3 },
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{ "cpuid_level", 0, 0 },
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{ "wp", 0, 3 },
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{ "flags", 0, 4 },
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{ "bogomips", 0, 0 },
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{ NULL, 0, -1 }
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};
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static int rpmCtagFlags(char * name)
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{
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struct cpuinfo_s * ct;
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int flags = -1;
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for (ct = ctags; ct->name != NULL; ct++) {
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if (strcmp(ct->name, name))
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continue;
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if (ct->done)
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continue;
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ct->done = 1;
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flags = ct->flags;
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break;
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}
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return flags;
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}
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static int rpmCpuinfo(void)
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{
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char buf[BUFSIZ];
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char * f, * fe;
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char * g, * ge;
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char * t;
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FD_t fd = NULL;
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FILE * fp;
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int rc = -1;
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fd = Fopen(cpuinfo, "r.fpio");
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if (fd == NULL || Ferror(fd))
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goto exit;
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fp = fdGetFILE(fd);
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while((f = fgets(buf, sizeof(buf), fp)) != NULL) {
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/* rtrim on line. */
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ge = f + strlen(f);
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while (--ge > f && _isspace(*ge))
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*ge = '\0';
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/* ltrim on line. */
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while (*f && _isspace(*f))
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f++;
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/* split on ':' */
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fe = f;
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while (*fe && *fe != ':')
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fe++;
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if (*fe == '\0')
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continue;
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g = fe + 1;
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/* rtrim on field 1. */
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*fe = '\0';
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while (--fe > f && _isspace(*fe))
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*fe = '\0';
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if (*f == '\0')
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continue;
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/* ltrim on field 2. */
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while (*g && _isspace(*g))
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g++;
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if (*g == '\0')
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continue;
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for (t = f; *t != '\0'; t++) {
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if (_isspace(*t))
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*t = '_';
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}
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switch (rpmCtagFlags(f)) {
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case -1: /* not found */
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case 0: /* ignore */
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default:
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continue;
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break;
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case 1: /* Provides: cpuinfo(f) = g */
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fprintf(stderr, "Provides: cpuinfo(%s) = %s\n", f, g);
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break;
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case 2: /* Provides: cpuinfo(g) */
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for (t = g; *t != '\0'; t++) {
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if (_isspace(*t) || *t == '(' || *t == ')')
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*t = '_';
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}
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fprintf(stderr, "Provides: cpuinfo(%s)\n", g);
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break;
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case 3: /* if ("yes") Provides: cpuinfo(f) */
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if (strcmp(g, "yes"))
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break;
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fprintf(stderr, "Provides: cpuinfo(%s)\n", f);
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break;
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case 4: /* Provides: cpuinfo(g[i]) */
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{ char ** av = NULL;
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rc = poptParseArgvString(g, NULL, (const char ***)&av);
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if (!rc && av != NULL)
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while ((f = *av++) != NULL) {
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fprintf(stderr, "Provides: cpuinfo(%s)\n", f);
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}
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if (av != NULL)
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free(av);
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} break;
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}
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}
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exit:
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if (fd) (void) Fclose(fd);
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return rc;
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}
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int main (int argc, char *argv[])
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{
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int rc;
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_rpmio_debug = 0;
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rc = rpmCpuinfo();
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return rc;
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}
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