diff options
author | H. Peter Anvin <hpa@zytor.com> | 2008-01-30 07:33:02 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 07:33:02 -0500 |
commit | 02a7b425e82cd0052e5eaedbae81a522c6aae6c4 (patch) | |
tree | abb447d9f1029c7afb2d77e6954fcffdccda1b76 /arch/x86/boot/pmjump.S | |
parent | 88089519f302f1296b4739be45699f06f728ec31 (diff) |
x86 setup: use X86_CR0_PE macro instead of hard-coded constant
To set CR0.PE, use the X86_CR0_PE macro defined in
<asm/processor-flags.h> instead of hardcoding it as a constant (1).
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/boot/pmjump.S')
-rw-r--r-- | arch/x86/boot/pmjump.S | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/boot/pmjump.S b/arch/x86/boot/pmjump.S index f7153d0d476e..f5402d51f7c3 100644 --- a/arch/x86/boot/pmjump.S +++ b/arch/x86/boot/pmjump.S | |||
@@ -15,6 +15,7 @@ | |||
15 | */ | 15 | */ |
16 | 16 | ||
17 | #include <asm/boot.h> | 17 | #include <asm/boot.h> |
18 | #include <asm/processor-flags.h> | ||
18 | #include <asm/segment.h> | 19 | #include <asm/segment.h> |
19 | 20 | ||
20 | .text | 21 | .text |
@@ -39,7 +40,7 @@ protected_mode_jump: | |||
39 | movw $__BOOT_TSS, %di | 40 | movw $__BOOT_TSS, %di |
40 | 41 | ||
41 | movl %cr0, %edx | 42 | movl %cr0, %edx |
42 | orb $1, %dl # Protected mode (PE) bit | 43 | orb $X86_CR0_PE, %dl # Protected mode |
43 | movl %edx, %cr0 | 44 | movl %edx, %cr0 |
44 | jmp 1f # Short jump to serialize on 386/486 | 45 | jmp 1f # Short jump to serialize on 386/486 |
45 | 1: | 46 | 1: |