VIA C3 identification

[Gary Allan]

Hello,

I've added identifying additional VIA processors from FreeBSD. My C3 is 
now named correctly on startup.

Regards
Gary
Index: sys/i386/i386/identcpu.c
===================================================================
RCS file: /home/dcvs/src/sys/i386/i386/identcpu.c,v
retrieving revision 1.9
diff -u -r1.9 identcpu.c
--- sys/i386/i386/identcpu.c    6 Nov 2005 07:28:47 -0000       1.9
+++ sys/i386/i386/identcpu.c    14 Apr 2006 14:08:05 -0000
@@ -529,8 +529,30 @@
                case 0x580:
                        strcpy(cpu_model, "IDT WinChip 2");
                        break;
+               case 0x660:
+                       strcpy(cpu_model, "VIA C3 Samuel");
+                       break;
                case 0x670:
-                       strcpy(cpu_model, "VIA C3 Samuel 2");
+                       if (cpu_id & 0x8)
+                               strcpy(cpu_model, "VIA C3 Ezra");
+                       else
+                               strcpy(cpu_model, "VIA C3 Samuel 2");
+                       break;
+               case 0x680:
+                       strcpy(cpu_model, "VIA C3 Ezra-T");
+                       break;
+               case 0x690:
+                       strcpy(cpu_model, "VIA C3 Nehemiah");
+                       do_cpuid(0xc0000000, regs);
+                       if (regs[0] == 0xc0000001) {
+                               do_cpuid(0xc0000001, regs);
+                               if ((cpu_id & 0xf) >= 3)
+                                       if ((regs[3] & 0x0c) == 0x0c)
+                                               strcat(cpu_model, "+RNG");
+                               if ((cpu_id & 0xf) >= 8)
+                                       if ((regs[3] & 0xc0) == 0xc0)
+                                               strcat(cpu_model, "+ACE");
+                       }
                        break;
                default:
                        strcpy(cpu_model, "VIA/IDT Unknown");