diff options
| author | Rafael J. Wysocki <rjw@sisk.pl> | 2007-10-23 22:37:24 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-23 22:37:24 +0200 |
| commit | 0de80bcc2baed116a569c38cbc38c5dcb945d14d (patch) | |
| tree | 5eef7beda7307be2e8949f1bf0e7f84799d8ae31 /include/asm-x86 | |
| parent | ef685298b4b3dead1efa1d47cd27ced0f2673254 (diff) | |
x86: Save registers in saved_context during suspend and hibernation
During hibernation and suspend on x86_64 save CPU registers in the saved_context
structure rather than in a handful of separate variables.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/suspend_64.h | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/include/asm-x86/suspend_64.h b/include/asm-x86/suspend_64.h index 9440a7a1b99..c505a76bcf6 100644 --- a/include/asm-x86/suspend_64.h +++ b/include/asm-x86/suspend_64.h @@ -3,6 +3,9 @@ * Based on code * Copyright 2001 Patrick Mochel <mochel@osdl.org> */ +#ifndef __ASM_X86_64_SUSPEND_H +#define __ASM_X86_64_SUSPEND_H + #include <asm/desc.h> #include <asm/i387.h> @@ -12,8 +15,9 @@ arch_prepare_suspend(void) return 0; } -/* Image of the saved processor state. If you touch this, fix acpi_wakeup.S. */ +/* Image of the saved processor state. If you touch this, fix acpi/wakeup.S. */ struct saved_context { + struct pt_regs regs; u16 ds, es, fs, gs, ss; unsigned long gs_base, gs_kernel_base, fs_base; unsigned long cr0, cr2, cr3, cr4, cr8; @@ -29,29 +33,16 @@ struct saved_context { unsigned long tr; unsigned long safety; unsigned long return_address; - unsigned long eflags; } __attribute__((packed)); -/* We'll access these from assembly, so we'd better have them outside struct */ -extern unsigned long saved_context_eax, saved_context_ebx, saved_context_ecx, saved_context_edx; -extern unsigned long saved_context_esp, saved_context_ebp, saved_context_esi, saved_context_edi; -extern unsigned long saved_context_r08, saved_context_r09, saved_context_r10, saved_context_r11; -extern unsigned long saved_context_r12, saved_context_r13, saved_context_r14, saved_context_r15; -extern unsigned long saved_context_eflags; - #define loaddebug(thread,register) \ set_debugreg((thread)->debugreg##register, register) extern void fix_processor_context(void); -extern unsigned long saved_rip; -extern unsigned long saved_rsp; -extern unsigned long saved_rbp; -extern unsigned long saved_rbx; -extern unsigned long saved_rsi; -extern unsigned long saved_rdi; - /* routines for saving/restoring kernel state */ extern int acpi_save_state_mem(void); extern char core_restore_code; extern char restore_registers; + +#endif /* __ASM_X86_64_SUSPEND_H */ |