[Qemu-devel] [PATCH] Allow setting the vendor_id string with x86's -cpu option

[Dan Kenigsberg]

Having AuthenticAMD hard-coded is nice, but allowing the user to impersonate
whatever CPU she wants is even nicer.

Also, an English typo (due to me) is corrected.

Dan.

--- a/target-i386/helper2.c
+++ b/target-i386/helper2.c
@@ -254,8 +254,17 @@ static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, 
const char *cpu_model)
                     goto error;
                 }
                 x86_cpu_def->stepping = stepping;
+            }  else if (!strcmp(featurestr, "vendor")) {
+                if (strlen(val) != 12) {
+                    fprintf(stderr, "vendor string must be 12 chars long\n");
+                    x86_cpu_def = 0;
+                    goto error;
+                }
+                x86_cpu_def->vendor1 = *(uint32_t *)val;
+                x86_cpu_def->vendor2 = *(uint32_t *)(val + 4);
+                x86_cpu_def->vendor3 = *(uint32_t *)(val + 8);
             } else {
-                fprintf(stderr, "unregnized feature %s\n", featurestr);
+                fprintf(stderr, "unrecognized feature %s\n", featurestr);
                 x86_cpu_def = 0;
                 goto error;
             }