From 4b60eb8380a0b588a03b6052d7ac93e1964c75b8 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 11 Oct 2007 11:16:34 +0200 Subject: i386: move power Signed-off-by: Thomas Gleixner Signed-off-by: Ingo Molnar --- arch/i386/power/swsusp.S | 78 ------------------------------------------------ 1 file changed, 78 deletions(-) delete mode 100644 arch/i386/power/swsusp.S (limited to 'arch/i386/power/swsusp.S') 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 @@ -.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 -#include -#include -#include - - .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 -- cgit v1.2.3-59-g8ed1b