diff options
Diffstat (limited to 'arch/x86/boot')
| -rw-r--r-- | arch/x86/boot/compressed/head_64.S | 5 |
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 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. */ |