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authorAndrey Petrov <anpetrov@fb.com>2019-10-23 15:15:08 -0700
committerAndrey Petrov <anpetrov@fb.com>2019-10-28 18:26:50 +0000
commitb8eaa6a5848d8d055a9b124b1b49e9dd774e7611 (patch)
treea8e47aa83024b98d6838bba142dbd5e31dab1cc2 /src/arch/x86
parent19e353473dd09a43c922310eaf7868ce02842e77 (diff)
downloadcoreboot-b8eaa6a5848d8d055a9b124b1b49e9dd774e7611.tar.xz
arch/x86: Move max cpuid leaf function into arch/x86
This cpuid function (0) is same across Intel and AMD so having it in arch/x86 seems like a good idea. Change-Id: I38f1c40bceac38ed6428f74b08bf60b971644f5a Signed-off-by: Andrey Petrov <anpetrov@fb.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36282 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Diffstat (limited to 'src/arch/x86')
-rw-r--r--src/arch/x86/include/arch/cpu.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/cpu.h b/src/arch/x86/include/arch/cpu.h
index b82473621d..9133f53065 100644
--- a/src/arch/x86/include/arch/cpu.h
+++ b/src/arch/x86/include/arch/cpu.h
@@ -141,6 +141,11 @@ static inline unsigned int cpuid_edx(unsigned int op)
return edx;
}
+static inline unsigned int cpuid_get_max_func(void)
+{
+ return cpuid_eax(0);
+}
+
#define X86_VENDOR_INVALID 0
#define X86_VENDOR_INTEL 1
#define X86_VENDOR_CYRIX 2