aboutsummaryrefslogtreecommitdiff
path: root/arch/i386/power/swsusp.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/i386/power/swsusp.S')
-rw-r--r--arch/i386/power/swsusp.S78
1 files changed, 0 insertions, 78 deletions
diff --git a/arch/i386/power/swsusp.S b/arch/i386/power/swsusp.S
deleted file mode 100644
index 53662e05b39..00000000000
--- a/arch/i386/power/swsusp.S
+++ /dev/null
@@ -1,78 +0,0 @@
-.text
-
-/* Originally gcc generated, modified by hand
- *
- * This may not use any stack, nor any variable that is not "NoSave":
- *
- * Its rewriting one kernel image with another. What is stack in "old"
- * image could very well be data page in "new" image, and overwriting
- * your own stack under you is bad idea.
- */
-
-#include <linux/linkage.h>
-#include <asm/segment.h>
-#include <asm/page.h>
-#include <asm/asm-offsets.h>
-
- .text
-
-ENTRY(swsusp_arch_suspend)
-
- movl %esp, saved_context_esp
- movl %ebx, saved_context_ebx
- movl %ebp, saved_context_ebp
- movl %esi, saved_context_esi
- movl %edi, saved_context_edi
- pushfl ; popl saved_context_eflags
-
- call swsusp_save
- ret
-
-ENTRY(restore_image)
- movl resume_pg_dir, %ecx
- subl $__PAGE_OFFSET, %ecx
- movl %ecx, %cr3
-
- movl restore_pblist, %edx
- .p2align 4,,7
-
-copy_loop:
- testl %edx, %edx
- jz done
-
- movl pbe_address(%edx), %esi
- movl pbe_orig_address(%edx), %edi
-
- movl $1024, %ecx
- rep
- movsl
-
- movl pbe_next(%edx), %edx
- jmp copy_loop
- .p2align 4,,7
-
-done:
- /* go back to the original page tables */
- movl $swapper_pg_dir, %ecx
- subl $__PAGE_OFFSET, %ecx
- movl %ecx, %cr3
- /* Flush TLB, including "global" things (vmalloc) */
- movl mmu_cr4_features, %eax
- movl %eax, %edx
- andl $~(1<<7), %edx; # PGE
- movl %edx, %cr4; # turn off PGE
- movl %cr3, %ecx; # flush TLB
- movl %ecx, %cr3
- movl %eax, %cr4; # turn PGE back on
-
- movl saved_context_esp, %esp
- movl saved_context_ebp, %ebp
- movl saved_context_ebx, %ebx
- movl saved_context_esi, %esi
- movl saved_context_edi, %edi
-
- pushl saved_context_eflags ; popfl
-
- xorl %eax, %eax
-
- ret