Author: jkim
Date: Wed Oct 22 17:36:52 2008
New Revision: 184170
URL: http://svn.freebsd.org/changeset/base/184170
Log:
Simplify AMD64_CPU_MODEL() and AMD64_CPU_FAMILY() macros as the base family
should be at least 0xf00 for all supported platforms.
Modified:
head/sys/amd64/include/specialreg.h
Modified: head/sys/amd64/include/specialreg.h
==============================================================================
--- head/sys/amd64/include/specialreg.h Wed Oct 22 17:30:37 2008
(r184169)
+++ head/sys/amd64/include/specialreg.h Wed Oct 22 17:36:52 2008
(r184170)
@@ -162,12 +162,10 @@
#define CPUID_EXT_FAMILY 0x0ff00000
#define AMD64_CPU_MODEL(id) \
((((id) & CPUID_MODEL) >> 4) | \
- ((((id) & CPUID_FAMILY) >= 0x600) ? \
- (((id) & CPUID_EXT_MODEL) >> 12) : 0))
+ (((id) & CPUID_EXT_MODEL) >> 12))
#define AMD64_CPU_FAMILY(id) \
((((id) & CPUID_FAMILY) >> 8) + \
- ((((id) & CPUID_FAMILY) == 0xf00) ? \
- (((id) & CPUID_EXT_FAMILY) >> 20) : 0))
+ (((id) & CPUID_EXT_FAMILY) >> 20))
/*
* CPUID instruction 1 ebx info
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