X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fcpuid%2Fcpuid.h;h=bf6c5113fb589a1de54071be8a7fa5b21a2e5c1e;hb=0e528772db367034b41b693336ffee8bc765a62f;hp=ee61da85d5035de4556a43fcf08254929fdf2f43;hpb=d03f0db15bde9934e801ce9e935b2cfe82301ab3;p=ccan

diff --git a/ccan/cpuid/cpuid.h b/ccan/cpuid/cpuid.h
index ee61da85..bf6c5113 100644
--- a/ccan/cpuid/cpuid.h
+++ b/ccan/cpuid/cpuid.h
@@ -26,7 +26,7 @@
 #include <stdint.h>
 
 /**
- * enum cpuid - stuff to get information on from the CPU.
+ * enum cpuid - stuff to get information about from the CPU.
  *
  * This is used as a parameter in cpuid().
  *
@@ -124,14 +124,17 @@ typedef enum cputype {
  *
  * See also: cpuid_get_cpu_type_string()
  */
+#define is_intel_cpu() 	cpuid_get_cpu_type() == CT_INTEL
+#define is_amd_cpu() 	cpuid_get_cpu_type() == CT_AMDK5 || cpuid_get_cpu_type() == CT_AMD
 cputype_t cpuid_get_cpu_type(void);
 
 /**
- * cpuid_get_cpu_type_string - Get CPU Type string
+ * cpuid_sprintf_cputype - Get CPU Type string
+ * @cputype: a char of atleast 12 bytes in it.
  *
- * Returns the CPU type string based off cputype_t.
+ * Returns true on success, false on failure
  */
-const char *cpuid_get_cpu_type_string(const cputype_t cputype);
+bool cpuid_sprintf_cputype(const cputype_t cputype, char *buf);
 
 /**
  * cpuid_is_supported - test if the CPUID instruction is supported
@@ -170,16 +173,14 @@ uint32_t cpuid_highest_ext_func_supported(void);
  * 	Returns a string into buf.
  *
  * For CPU_PROCINFO_AND_FEATUREBITS:
- * 	buf[0]:
- * 		- 3:0 - Stepping
- * 		- 7:4 - Model
- * 		- 11:8 - Family
- * 		- 13:12 - Processor Type
- * 		- 19:16 - Extended Model
- * 		- 27:20 - Extended family
- * 	buf[1] and buf[2]:
+ * 	buf[0]: Stepping
+ * 	buf[1]: Model
+ * 	buf[2]: Family
+ * 	buf[3]: Extended Model
+ * 	buf[4]: Extended Family
+ * 	buf[5] and buf[6]:
  * 		Feature flags
- * 	buf[3]:
+ * 	buf[7]:
  * 		Additional feature information.
  *
  * For CPU_L1_CACHE_AND_TLB_IDS:
@@ -275,4 +276,3 @@ bool cpuid_has_feature(int feature, bool extended);
 
 #endif
 #endif
-