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authorEric Biederman <ebiederm@xmission.com>2003-04-22 19:02:15 +0000
committerEric Biederman <ebiederm@xmission.com>2003-04-22 19:02:15 +0000
commit8ca8d7665d671e10d72b8fcb4d69121d75f7906e (patch)
treedaad2699b4e6b6014bce5a76e82dd9c974801777 /src/include/cpu/p5/cpuid.h
parentb138ac83b53da9abf3dc9a87a1cd4b3d3a8150bd (diff)
- Initial checkin of the freebios2 tree
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@784 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/include/cpu/p5/cpuid.h')
-rw-r--r--src/include/cpu/p5/cpuid.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/include/cpu/p5/cpuid.h b/src/include/cpu/p5/cpuid.h
new file mode 100644
index 0000000000..b8ffc88a84
--- /dev/null
+++ b/src/include/cpu/p5/cpuid.h
@@ -0,0 +1,25 @@
+#ifndef CPU_P5_CPUID_H
+#define CPU_P5_CPUID_H
+
+int mtrr_check(void);
+void display_cpuid(void);
+
+/*
+ * Generic CPUID function. copied from Linux kernel headers
+ */
+
+static inline void cpuid(int op, int *eax, int *ebx, int *ecx, int *edx)
+{
+ __asm__("pushl %%ebx\n\t"
+ "cpuid\n\t"
+ "movl %%ebx, %%esi\n\t"
+ "popl %%ebx\n\t"
+ : "=a" (*eax),
+ "=S" (*ebx),
+ "=c" (*ecx),
+ "=d" (*edx)
+ : "a" (op)
+ : "cc");
+}
+
+#endif /* CPU_P5_CPUID_H */