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Diffstat (limited to 'arch/x86/boot')
-rw-r--r--arch/x86/boot/a20.c3
-rw-r--r--arch/x86/boot/compressed/head_64.S5
-rw-r--r--arch/x86/boot/printf.c2
-rw-r--r--arch/x86/boot/video-vga.c3
4 files changed, 6 insertions, 7 deletions
diff --git a/arch/x86/boot/a20.c b/arch/x86/boot/a20.c
index 90943f83e84..e01aafd03bd 100644
--- a/arch/x86/boot/a20.c
+++ b/arch/x86/boot/a20.c
@@ -115,8 +115,6 @@ static void enable_a20_fast(void)
int enable_a20(void)
{
- int loops = A20_ENABLE_LOOPS;
-
#if defined(CONFIG_X86_ELAN)
/* Elan croaks if we try to touch the KBC */
enable_a20_fast();
@@ -128,6 +126,7 @@ int enable_a20(void)
enable_a20_kbc();
return 0;
#else
+ int loops = A20_ENABLE_LOOPS;
while (loops--) {
/* First, check to see if A20 is already enabled
(legacy free, etc.) */
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index d8819efac81..1d5dff4123e 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. */
diff --git a/arch/x86/boot/printf.c b/arch/x86/boot/printf.c
index c1d00c0274c..50e47cdbddd 100644
--- a/arch/x86/boot/printf.c
+++ b/arch/x86/boot/printf.c
@@ -56,7 +56,7 @@ static char *number(char *str, long num, int base, int size, int precision,
if (type & LEFT)
type &= ~ZEROPAD;
if (base < 2 || base > 36)
- return 0;
+ return NULL;
c = (type & ZEROPAD) ? '0' : ' ';
sign = 0;
if (type & SIGN) {
diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c
index 40ecb8d7688..b939cb476de 100644
--- a/arch/x86/boot/video-vga.c
+++ b/arch/x86/boot/video-vga.c
@@ -259,8 +259,7 @@ static int vga_probe(void)
return mode_count[adapter];
}
-__videocard video_vga =
-{
+__videocard video_vga = {
.card_name = "VGA",
.probe = vga_probe,
.set_mode = vga_set_mode,