3 /* Originally gcc generated, modified by hand
5 * This may not use any stack, nor any variable that is not "NoSave":
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.
12 #include <linux/linkage.h>
13 #include <asm/segment.h>
15 #include <asm/asm-offsets.h>
19 ENTRY(swsusp_arch_suspend)
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
31 ENTRY(swsusp_arch_resume)
32 movl $swsusp_pg_dir-__PAGE_OFFSET, %ecx
35 movl pagedir_nosave, %edx
42 movl pbe_address(%edx), %esi
43 movl pbe_orig_address(%edx), %edi
49 movl pbe_next(%edx), %edx
54 /* Flush TLB, including "global" things (vmalloc) */
55 movl mmu_cr4_features, %eax
57 andl $~(1<<7), %edx; # PGE
58 movl %edx, %cr4; # turn off PGE
59 movl %cr3, %ecx; # flush TLB
61 movl %eax, %cr4; # turn PGE back on
63 movl saved_context_esp, %esp
64 movl saved_context_ebp, %ebp
65 movl saved_context_ebx, %ebx
66 movl saved_context_esi, %esi
67 movl saved_context_edi, %edi
69 pushl saved_context_eflags ; popfl