diff options
Diffstat (limited to 'arch/i386/power/swsusp.S')
| -rw-r--r-- | arch/i386/power/swsusp.S | 78 |
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 53662e05b393..000000000000 --- a/arch/i386/power/swsusp.S +++ /dev/null | |||
| @@ -1,78 +0,0 @@ | |||
| 1 | .text | ||
| 2 | |||
| 3 | /* Originally gcc generated, modified by hand | ||
| 4 | * | ||
| 5 | * This may not use any stack, nor any variable that is not "NoSave": | ||
| 6 | * | ||
| 7 | * Its rewriting one kernel image with another. What is stack in "old" | ||
| 8 | * image could very well be data page in "new" image, and overwriting | ||
| 9 | * your own stack under you is bad idea. | ||
| 10 | */ | ||
| 11 | |||
| 12 | #include <linux/linkage.h> | ||
| 13 | #include <asm/segment.h> | ||
| 14 | #include <asm/page.h> | ||
| 15 | #include <asm/asm-offsets.h> | ||
| 16 | |||
| 17 | .text | ||
| 18 | |||
| 19 | ENTRY(swsusp_arch_suspend) | ||
| 20 | |||
| 21 | movl %esp, saved_context_esp | ||
| 22 | movl %ebx, saved_context_ebx | ||
| 23 | movl %ebp, saved_context_ebp | ||
| 24 | movl %esi, saved_context_esi | ||
| 25 | movl %edi, saved_context_edi | ||
| 26 | pushfl ; popl saved_context_eflags | ||
| 27 | |||
| 28 | call swsusp_save | ||
| 29 | ret | ||
| 30 | |||
| 31 | ENTRY(restore_image) | ||
| 32 | movl resume_pg_dir, %ecx | ||
| 33 | subl $__PAGE_OFFSET, %ecx | ||
| 34 | movl %ecx, %cr3 | ||
| 35 | |||
| 36 | movl restore_pblist, %edx | ||
| 37 | .p2align 4,,7 | ||
| 38 | |||
| 39 | copy_loop: | ||
| 40 | testl %edx, %edx | ||
| 41 | jz done | ||
| 42 | |||
| 43 | movl pbe_address(%edx), %esi | ||
| 44 | movl pbe_orig_address(%edx), %edi | ||
| 45 | |||
| 46 | movl $1024, %ecx | ||
| 47 | rep | ||
| 48 | movsl | ||
| 49 | |||
| 50 | movl pbe_next(%edx), %edx | ||
| 51 | jmp copy_loop | ||
| 52 | .p2align 4,,7 | ||
| 53 | |||
| 54 | done: | ||
| 55 | /* go back to the original page tables */ | ||
| 56 | movl $swapper_pg_dir, %ecx | ||
| 57 | subl $__PAGE_OFFSET, %ecx | ||
| 58 | movl %ecx, %cr3 | ||
| 59 | /* Flush TLB, including "global" things (vmalloc) */ | ||
| 60 | movl mmu_cr4_features, %eax | ||
| 61 | movl %eax, %edx | ||
| 62 | andl $~(1<<7), %edx; # PGE | ||
| 63 | movl %edx, %cr4; # turn off PGE | ||
| 64 | movl %cr3, %ecx; # flush TLB | ||
| 65 | movl %ecx, %cr3 | ||
| 66 | movl %eax, %cr4; # turn PGE back on | ||
| 67 | |||
| 68 | movl saved_context_esp, %esp | ||
| 69 | movl saved_context_ebp, %ebp | ||
| 70 | movl saved_context_ebx, %ebx | ||
| 71 | movl saved_context_esi, %esi | ||
| 72 | movl saved_context_edi, %edi | ||
| 73 | |||
| 74 | pushl saved_context_eflags ; popfl | ||
| 75 | |||
| 76 | xorl %eax, %eax | ||
| 77 | |||
| 78 | ret | ||