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authorCyrill Gorcunov <gorcunov@gmail.com>2008-05-12 15:43:39 +0200
committerThomas Gleixner <tglx@linutronix.de>2008-05-25 08:58:32 +0200
commite83e31f41a623262714d9c56dde7dfc51ac078f7 (patch)
tree9ee545c2198833a40925ec721ae595b0eaf64a44 /arch/x86/boot
parent369101da7e3f6f971b7303922d2978b8483241c6 (diff)
x86: compressed/head_64.S cleanup - use predefined flags from processor-flags.h
We should better use already defined flags from processor-flags.h instead of defining own ones [>>> object code check >>>] original md5sum: 129f24be6df396fb7d8bf998c01fc716 arch/x86/boot/compressed/head_64.o text data bss dec hex filename 705 48 45056 45809 b2f1 arch/x86/boot/compressed/head_64.o patched md5sum: 129f24be6df396fb7d8bf998c01fc716 arch/x86/boot/compressed/head_64-new.o text data bss dec hex filename 705 48 45056 45809 b2f1 arch/x86/boot/compressed/head_64-new.o [<<< object code check <<<] Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/boot')
-rw-r--r--arch/x86/boot/compressed/head_64.S5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index d8819efac81d..1d5dff4123e1 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -30,6 +30,7 @@
#include <asm/page.h>
#include <asm/boot.h>
#include <asm/msr.h>
+#include <asm/processor-flags.h>
#include <asm/asm-offsets.h>
.section ".text.head"
@@ -109,7 +110,7 @@ startup_32:
/* Enable PAE mode */
xorl %eax, %eax
- orl $(1 << 5), %eax
+ orl $(X86_CR4_PAE), %eax
movl %eax, %cr4
/*
@@ -170,7 +171,7 @@ startup_32:
pushl %eax
/* Enter paged protected Mode, activating Long Mode */
- movl $0x80000001, %eax /* Enable Paging and Protected mode */
+ movl $(X86_CR0_PG | X86_CR0_PE), %eax /* Enable Paging and Protected mode */
movl %eax, %cr0
/* Jump from 32bit compatibility mode into 64bit mode. */