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Diffstat (limited to 'arch/x86/lib/physmem.c')
-rw-r--r--arch/x86/lib/physmem.c33
1 files changed, 3 insertions, 30 deletions
diff --git a/arch/x86/lib/physmem.c b/arch/x86/lib/physmem.c
index b57b2c3..c3c709e 100644
--- a/arch/x86/lib/physmem.c
+++ b/arch/x86/lib/physmem.c
@@ -10,6 +10,7 @@
#include <common.h>
#include <physmem.h>
+#include <asm/cpu.h>
#include <linux/compiler.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -112,41 +113,13 @@ static void x86_phys_enter_paging(void)
x86_phys_map_page(page_addr, page_addr, 0);
}
- /* Turn on paging */
- __asm__ __volatile__(
- /* Load the page table address */
- "movl %0, %%cr3\n\t"
- /* Enable pae */
- "movl %%cr4, %%eax\n\t"
- "orl $0x00000020, %%eax\n\t"
- "movl %%eax, %%cr4\n\t"
- /* Enable paging */
- "movl %%cr0, %%eax\n\t"
- "orl $0x80000000, %%eax\n\t"
- "movl %%eax, %%cr0\n\t"
- :
- : "r" (pdpt)
- : "eax"
- );
+ cpu_enable_paging_pae((ulong)pdpt);
}
/* Disable paging and PAE mode. */
static void x86_phys_exit_paging(void)
{
- /* Turn off paging */
- __asm__ __volatile__ (
- /* Disable paging */
- "movl %%cr0, %%eax\n\t"
- "andl $0x7fffffff, %%eax\n\t"
- "movl %%eax, %%cr0\n\t"
- /* Disable pae */
- "movl %%cr4, %%eax\n\t"
- "andl $0xffffffdf, %%eax\n\t"
- "movl %%eax, %%cr4\n\t"
- :
- :
- : "eax"
- );
+ cpu_disable_paging_pae();
}
/*