riscv: Fix machine recognition for c910v
@@ -81,23 +81,27 @@ static char *cpuname[] = {
int detect(void){
#ifdef __linux
FILE *infile;
- char buffer[512], *p;
+ char buffer[512],isa_buffer[512],model_buffer[512];
+ const char* check_c910_str = "T-HEAD C910";
+ char *pmodel = NULL, *pisa = NULL;
- p = (char *)NULL;
infile = fopen("/proc/cpuinfo", "r");
while (fgets(buffer, sizeof(buffer), infile)){
- if (!strncmp("isa", buffer, 3)){
- p = strchr(buffer, '4') + 1; /* the 4 in rv64ima... */
-#if 0
- fprintf(stderr, "%s\n", p);
-#endif
- break;
+ if(!strncmp(buffer, "model name", 10)){
+ strcpy(model_buffer, buffer)
+ pmodel = strchr(isa_buffer, ':') + 1;
+ }
+
+ if(!strncmp(buffer, "isa", 3)){
+ strcpy(isa_buffer, buffer)
+ pisa = strchr(isa_buffer, '4') + 1;
}
}
fclose(infile);
- if (strchr(p, 'v')) return CPU_C910V;
+ if (strstr(pmodel, check_c910_str) && strchr(p, 'v'))
+ return CPU_C910V;
return CPU_GENERIC;
#endif
