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Commit cfaa71ee authored by Brian Gerst's avatar Brian Gerst Committed by H. Peter Anvin
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x86: Use symbolic MSR names



Use symbolic MSR names instead of hardcoding the MSR index.

Signed-off-by: default avatarBrian Gerst <brgerst@gmail.com>
LKML-Reference: <1279371808-24804-2-git-send-email-brgerst@gmail.com>
Reviewed-by: default avatarPekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent 8c06585d
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+1 −1
Original line number Diff line number Diff line
@@ -104,7 +104,7 @@ _start:
	movl	%eax, %ecx
	orl	%edx, %ecx
	jz	1f
	movl	$0xc0000080, %ecx
	movl	$MSR_EFER, %ecx
	wrmsr
1:

+2 −1
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@
 */

#include <asm/cpufeature.h>
#include <asm/msr-index.h>

verify_cpu:
	pushfl				# Save caller passed flags
@@ -88,7 +89,7 @@ verify_cpu_sse_test:
	je	verify_cpu_sse_ok
	test	%di,%di
	jz	verify_cpu_no_longmode	# only try to force SSE on AMD
	movl	$0xc0010015,%ecx	# HWCR
	movl	$MSR_K7_HWCR,%ecx
	rdmsr
	btr	$15,%eax		# enable SSE
	wrmsr