| .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> |
| |
| .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(swsusp_arch_resume) |
| movl $swsusp_pg_dir-__PAGE_OFFSET,%ecx |
| movl %ecx,%cr3 |
| |
| movl pagedir_nosave, %ebx |
| xorl %eax, %eax |
| xorl %edx, %edx |
| .p2align 4,,7 |
| |
| copy_loop: |
| movl 4(%ebx,%edx),%edi |
| movl (%ebx,%edx),%esi |
| |
| movl $1024, %ecx |
| rep |
| movsl |
| |
| incl %eax |
| addl $16, %edx |
| cmpl nr_copy_pages,%eax |
| jb copy_loop |
| .p2align 4,,7 |
| |
| 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 |
| call swsusp_restore |
| ret |
