X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fcpuid%2Fcpuid.h;h=5de2ed157be15becafcb7ec488754d98e3cddf90;hb=39c84ebc38cc5d1180eec154ec1e748d2ddc1682;hp=9bf4ff31d8cf516640706588b123d321fe3a7086;hpb=581bc150d4eb250cab3fc12738131a95e87722a8;p=ccan

diff --git a/ccan/cpuid/cpuid.h b/ccan/cpuid/cpuid.h
index 9bf4ff31..5de2ed15 100644
--- a/ccan/cpuid/cpuid.h
+++ b/ccan/cpuid/cpuid.h
@@ -38,6 +38,7 @@
  *
  * CPUID_CACHE_AND_TLBD_INFO
  * 	Cache and TLBD Information.
+ * 	For AMD: Use CPUID_EXTENDED_L2_CACHE_FEATURES
  *
  * CPUID_HIGHEST_EXTENDED_FUNCTION_SUPPORTED:
  * 	Highest extended function supported address.
@@ -51,6 +52,7 @@
  *
  * CPUID_L1_CACHE_AND_TLB_IDS:
  * 	L1 Cache and TLB Identifications.
+ *	AMD Only.
  *
  * CPUID_EXTENDED_L2_CACHE_FEATURES:
  * 	Extended L2 Cache features.
@@ -217,29 +219,32 @@ uint32_t cpuid_highest_ext_func_supported(void);
  * 	buf[2]: Family
  * 	buf[3]: Extended Model
  * 	buf[4]: Extended Family
- * 	buf[5] and buf[6]:
- * 		Feature flags
- * 	buf[7]: Brand Index
- * 	buf[8]: CL Flush Line Size
- * 	buf[9]: Logical Processors
- * 	buf[10]: Initial APICID
+ * 	buf[5]: Brand Index
+ * 	buf[6]: CL Flush Line Size
+ * 	buf[7]: Logical Processors
+ * 	buf[8]: Initial APICID
  *
  * For CPUID_L1_CACHE_AND_TLB_IDS:
- * 	buf[0]: (eax):
- * 		- 7..0 	Number of times to exec cpuid to get all descriptors.
- * 		- 15..8 Instruction TLB: 4K Pages, 4-way set associtive, 128 entries.
- * 		- 23..16 Data TLB: 4k Pages, 4-way set associtive, 128 entries.
- * 		- 24..31 Instruction TLB: 4K Pages, 4-way set associtive, 2 entries.
- * 	buf[1]: (ebx):
- * 		- 7..0 64-byte prefetching
- * 		- 8..31 Null descriptor
- * 	buf[2]: (ecx):
- * 		- 0..31 Null descriptor
- * 	buf[3]: (edx):
- * 		- 7..0 2nd-level cache, 2M, 8-way set associtive, 64-byte line size
- * 		- 15..8 1st-level instruction cache: 32K, 8-way set associtive, 64 byte line size
- * 		- 16..23 Data TLB: 4M Pages, 4-way set associtive, 8 entires.
- * 		- 24..31 1st-level data cache: 32K, 8-way set associtive, 64 byte line size
+ *	buf[0] to buf[3]: 2M+4M page TLB info
+ * 		0: Inst count
+ * 		1: Inst Assoc
+ * 		2: Data Count
+ * 		3: Data Assoc
+ * 	buf[4] to buf[7]: 4k page TLB info
+ * 		0: Inst count
+ * 		1: Inst Assoc
+ * 		2: Data Count
+ * 		3: Data Assoc
+ * 	buf[8] to buf[11]: L1 data cache information
+ *		0: Line Size
+ * 		1: LinesPerTag
+ * 		2: Associativity
+ * 		3: CacheSize
+ * 	buf[12] to buf[15]: L1 instruction cache info
+ * 		0: Line Size
+ * 		1: LinesPerTag
+ * 		2: Associativity
+ * 		3: CacheSize
  *
  * For CPUID_HIGHEST_EXTENDED_FUNCTION_SUPPORTED:
  * 	Returns the highest supported function in *buf (expects an integer ofc)