x86: move various CPU initialization objects into .cpuinit.rodata

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / trampoline_64.S

diff --git a/arch/x86/kernel/trampoline_64.S b/arch/x86/kernel/trampoline_64.S
index 894293c598db62fe6b23a365d048c8a6225a8285..cddfb8d386b927bce74e8b82e78a23aeaa83c04a 100644 (file)
--- a/arch/x86/kernel/trampoline_64.S
+++ b/arch/x86/kernel/trampoline_64.S
@@ -25,10 +25,11 @@
  */
 
 #include <linux/linkage.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
+#include <asm/pgtable_types.h>
+#include <asm/page_types.h>
 #include <asm/msr.h>
 #include <asm/segment.h>
+#include <asm/processor-flags.h>
 
 .section .rodata, "a", @progbits
 
@@ -37,7 +38,7 @@
 ENTRY(trampoline_data)
 r_base = .
        cli                     # We should be safe anyway
-       wbinvd  
+       wbinvd
        mov     %cs, %ax        # Code and data in the same place
        mov     %ax, %ds
        mov     %ax, %es
@@ -73,9 +74,8 @@ r_base = .
        lidtl   tidt - r_base   # load idt with 0, 0
        lgdtl   tgdt - r_base   # load gdt with whatever is appropriate
 
-       xor     %ax, %ax
-       inc     %ax             # protected mode (PE) bit
-       lmsw    %ax             # into protected mode
+       mov     $X86_CR0_PE, %ax        # protected mode (PE) bit
+       lmsw    %ax                     # into protected mode
 
        # flush prefetch and jump to startup_32
        ljmpl   *(startup_32_vector - r_base)
@@ -86,9 +86,8 @@ startup_32:
        movl    $__KERNEL_DS, %eax      # Initialize the %ds segment register
        movl    %eax, %ds
 
-       xorl    %eax, %eax
-       btsl    $5, %eax                # Enable PAE mode
-       movl    %eax, %cr4
+       movl    $X86_CR4_PAE, %eax
+       movl    %eax, %cr4              # Enable PAE mode
 
                                        # Setup trampoline 4 level pagetables
        leal    (trampoline_level4_pgt - r_base)(%esi), %eax
@@ -99,9 +98,9 @@ startup_32:
        xorl    %edx, %edx
        wrmsr
 
-       xorl    %eax, %eax
-       btsl    $31, %eax               # Enable paging and in turn activate Long Mode
-       btsl    $0, %eax                # Enable protected mode
+       # Enable paging and in turn activate Long Mode
+       # Enable protected mode
+       movl    $(X86_CR0_PG | X86_CR0_PE), %eax
        movl    %eax, %cr0
 
        /*