Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ba733ec4725df406a6ff5c5c1e6c447f42bbf39d
Commit: ba733ec4725df406a6ff5c5c1e6c447f42bbf39d
Parent: e86a989de27d4c0226928d6132f284f6156f30f7
Author: Thomas Gleixner <[EMAIL PROTECTED]>
AuthorDate: Thu Oct 11 11:14:37 2007 +0200
Committer: Thomas Gleixner <[EMAIL PROTECTED]>
CommitDate: Thu Oct 11 11:14:37 2007 +0200
x86_64: prepare shared kernel/suspend_asm.S
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
---
arch/x86_64/kernel/Makefile | 2 +-
arch/x86_64/kernel/suspend_asm.S | 110 -----------------------------------
arch/x86_64/kernel/suspend_asm_64.S | 110 +++++++++++++++++++++++++++++++++++
3 files changed, 111 insertions(+), 111 deletions(-)
diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index 4702333..9799e58 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -26,7 +26,7 @@ obj-y += io_apic_64.o mpparse.o
genapic.o genapic_flat.o
obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel_64.o
crash_64.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_PM) += suspend.o
-obj-$(CONFIG_HIBERNATION) += suspend_asm.o
+obj-$(CONFIG_HIBERNATION) += suspend_asm_64.o
obj-$(CONFIG_CPU_FREQ) += ../../i386/kernel/cpu/cpufreq/
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_IOMMU) += pci-gart.o aperture_64.o
diff --git a/arch/x86_64/kernel/suspend_asm.S b/arch/x86_64/kernel/suspend_asm.S
deleted file mode 100644
index 16d183f..0000000
--- a/arch/x86_64/kernel/suspend_asm.S
+++ /dev/null
@@ -1,110 +0,0 @@
-/* Copyright 2004,2005 Pavel Machek <[EMAIL PROTECTED]>, Andi Kleen <[EMAIL
PROTECTED]>, Rafael J. Wysocki <[EMAIL PROTECTED]>
- *
- * Distribute under GPLv2.
- *
- * swsusp_arch_resume may not use any stack, nor any variable that is
- * not "NoSave" during copying pages:
- *
- * 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.
- */
-
- .text
-#include <linux/linkage.h>
-#include <asm/segment.h>
-#include <asm/page.h>
-#include <asm/asm-offsets.h>
-
-ENTRY(swsusp_arch_suspend)
-
- movq %rsp, saved_context_esp(%rip)
- movq %rax, saved_context_eax(%rip)
- movq %rbx, saved_context_ebx(%rip)
- movq %rcx, saved_context_ecx(%rip)
- movq %rdx, saved_context_edx(%rip)
- movq %rbp, saved_context_ebp(%rip)
- movq %rsi, saved_context_esi(%rip)
- movq %rdi, saved_context_edi(%rip)
- movq %r8, saved_context_r08(%rip)
- movq %r9, saved_context_r09(%rip)
- movq %r10, saved_context_r10(%rip)
- movq %r11, saved_context_r11(%rip)
- movq %r12, saved_context_r12(%rip)
- movq %r13, saved_context_r13(%rip)
- movq %r14, saved_context_r14(%rip)
- movq %r15, saved_context_r15(%rip)
- pushfq ; popq saved_context_eflags(%rip)
-
- call swsusp_save
- ret
-
-ENTRY(restore_image)
- /* switch to temporary page tables */
- movq $__PAGE_OFFSET, %rdx
- movq temp_level4_pgt(%rip), %rax
- subq %rdx, %rax
- movq %rax, %cr3
- /* Flush TLB */
- movq mmu_cr4_features(%rip), %rax
- movq %rax, %rdx
- andq $~(1<<7), %rdx # PGE
- movq %rdx, %cr4; # turn off PGE
- movq %cr3, %rcx; # flush TLB
- movq %rcx, %cr3;
- movq %rax, %cr4; # turn PGE back on
-
- movq restore_pblist(%rip), %rdx
-loop:
- testq %rdx, %rdx
- jz done
-
- /* get addresses from the pbe and copy the page */
- movq pbe_address(%rdx), %rsi
- movq pbe_orig_address(%rdx), %rdi
- movq $512, %rcx
- rep
- movsq
-
- /* progress to the next pbe */
- movq pbe_next(%rdx), %rdx
- jmp loop
-done:
- /* go back to the original page tables */
- movq $(init_level4_pgt - __START_KERNEL_map), %rax
- addq phys_base(%rip), %rax
- movq %rax, %cr3
-
- /* Flush TLB, including "global" things (vmalloc) */
- movq mmu_cr4_features(%rip), %rax
- movq %rax, %rdx
- andq $~(1<<7), %rdx; # PGE
- movq %rdx, %cr4; # turn off PGE
- movq %cr3, %rcx; # flush TLB
- movq %rcx, %cr3
- movq %rax, %cr4; # turn PGE back on
-
- movl $24, %eax
- movl %eax, %ds
-
- movq saved_context_esp(%rip), %rsp
- movq saved_context_ebp(%rip), %rbp
- /* Don't restore %rax, it must be 0 anyway */
- movq saved_context_ebx(%rip), %rbx
- movq saved_context_ecx(%rip), %rcx
- movq saved_context_edx(%rip), %rdx
- movq saved_context_esi(%rip), %rsi
- movq saved_context_edi(%rip), %rdi
- movq saved_context_r08(%rip), %r8
- movq saved_context_r09(%rip), %r9
- movq saved_context_r10(%rip), %r10
- movq saved_context_r11(%rip), %r11
- movq saved_context_r12(%rip), %r12
- movq saved_context_r13(%rip), %r13
- movq saved_context_r14(%rip), %r14
- movq saved_context_r15(%rip), %r15
- pushq saved_context_eflags(%rip) ; popfq
-
- xorq %rax, %rax
-
- ret
diff --git a/arch/x86_64/kernel/suspend_asm_64.S
b/arch/x86_64/kernel/suspend_asm_64.S
new file mode 100644
index 0000000..16d183f
--- /dev/null
+++ b/arch/x86_64/kernel/suspend_asm_64.S
@@ -0,0 +1,110 @@
+/* Copyright 2004,2005 Pavel Machek <[EMAIL PROTECTED]>, Andi Kleen <[EMAIL
PROTECTED]>, Rafael J. Wysocki <[EMAIL PROTECTED]>
+ *
+ * Distribute under GPLv2.
+ *
+ * swsusp_arch_resume may not use any stack, nor any variable that is
+ * not "NoSave" during copying pages:
+ *
+ * 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.
+ */
+
+ .text
+#include <linux/linkage.h>
+#include <asm/segment.h>
+#include <asm/page.h>
+#include <asm/asm-offsets.h>
+
+ENTRY(swsusp_arch_suspend)
+
+ movq %rsp, saved_context_esp(%rip)
+ movq %rax, saved_context_eax(%rip)
+ movq %rbx, saved_context_ebx(%rip)
+ movq %rcx, saved_context_ecx(%rip)
+ movq %rdx, saved_context_edx(%rip)
+ movq %rbp, saved_context_ebp(%rip)
+ movq %rsi, saved_context_esi(%rip)
+ movq %rdi, saved_context_edi(%rip)
+ movq %r8, saved_context_r08(%rip)
+ movq %r9, saved_context_r09(%rip)
+ movq %r10, saved_context_r10(%rip)
+ movq %r11, saved_context_r11(%rip)
+ movq %r12, saved_context_r12(%rip)
+ movq %r13, saved_context_r13(%rip)
+ movq %r14, saved_context_r14(%rip)
+ movq %r15, saved_context_r15(%rip)
+ pushfq ; popq saved_context_eflags(%rip)
+
+ call swsusp_save
+ ret
+
+ENTRY(restore_image)
+ /* switch to temporary page tables */
+ movq $__PAGE_OFFSET, %rdx
+ movq temp_level4_pgt(%rip), %rax
+ subq %rdx, %rax
+ movq %rax, %cr3
+ /* Flush TLB */
+ movq mmu_cr4_features(%rip), %rax
+ movq %rax, %rdx
+ andq $~(1<<7), %rdx # PGE
+ movq %rdx, %cr4; # turn off PGE
+ movq %cr3, %rcx; # flush TLB
+ movq %rcx, %cr3;
+ movq %rax, %cr4; # turn PGE back on
+
+ movq restore_pblist(%rip), %rdx
+loop:
+ testq %rdx, %rdx
+ jz done
+
+ /* get addresses from the pbe and copy the page */
+ movq pbe_address(%rdx), %rsi
+ movq pbe_orig_address(%rdx), %rdi
+ movq $512, %rcx
+ rep
+ movsq
+
+ /* progress to the next pbe */
+ movq pbe_next(%rdx), %rdx
+ jmp loop
+done:
+ /* go back to the original page tables */
+ movq $(init_level4_pgt - __START_KERNEL_map), %rax
+ addq phys_base(%rip), %rax
+ movq %rax, %cr3
+
+ /* Flush TLB, including "global" things (vmalloc) */
+ movq mmu_cr4_features(%rip), %rax
+ movq %rax, %rdx
+ andq $~(1<<7), %rdx; # PGE
+ movq %rdx, %cr4; # turn off PGE
+ movq %cr3, %rcx; # flush TLB
+ movq %rcx, %cr3
+ movq %rax, %cr4; # turn PGE back on
+
+ movl $24, %eax
+ movl %eax, %ds
+
+ movq saved_context_esp(%rip), %rsp
+ movq saved_context_ebp(%rip), %rbp
+ /* Don't restore %rax, it must be 0 anyway */
+ movq saved_context_ebx(%rip), %rbx
+ movq saved_context_ecx(%rip), %rcx
+ movq saved_context_edx(%rip), %rdx
+ movq saved_context_esi(%rip), %rsi
+ movq saved_context_edi(%rip), %rdi
+ movq saved_context_r08(%rip), %r8
+ movq saved_context_r09(%rip), %r9
+ movq saved_context_r10(%rip), %r10
+ movq saved_context_r11(%rip), %r11
+ movq saved_context_r12(%rip), %r12
+ movq saved_context_r13(%rip), %r13
+ movq saved_context_r14(%rip), %r14
+ movq saved_context_r15(%rip), %r15
+ pushq saved_context_eflags(%rip) ; popfq
+
+ xorq %rax, %rax
+
+ ret
-
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