CPU type detection

- sometimes the system needs to know precisely on what type of cpu is running. The cpu type id detected during arch specific initialization and kept in the machine structure for later use. - as a side-effect the information is exported to userland
2010-09-23 14:42:19 +00:00
parent 6e385a1b01
commit 8eece1c00c
3 changed files with 47 additions and 0 deletions
@@ -153,6 +153,10 @@
 #define AMD_CPUID_GEN_EDX	0x69746e65 /* ASCII value of "enti" */
 #define AMD_CPUID_GEN_ECX	0x444d4163 /* ASCII value of "cAMD" */

+#define CPU_VENDOR_INTEL	0
+#define CPU_VENDOR_AMD		2
+#define CPU_VENDOR_UNKNOWN	0xff
+
 /* fpu context should be saved in 16-byte aligned memory */
 #define FPUALIGN		16