Release 4.15 arch/x86/include/asm/suspend_64.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
* Based on code
* Copyright 2001 Patrick Mochel <mochel@osdl.org>
*/
#ifndef _ASM_X86_SUSPEND_64_H
#define _ASM_X86_SUSPEND_64_H
#include <asm/desc.h>
#include <asm/fpu/api.h>
/*
* Image of the saved processor state, used by the low level ACPI suspend to
* RAM code and by the low level hibernation code.
*
* If you modify it, fix arch/x86/kernel/acpi/wakeup_64.S and make sure that
* __save/__restore_processor_state(), defined in arch/x86/kernel/suspend_64.c,
* still work as required.
*/
struct saved_context {
struct pt_regs regs;
/*
* User CS and SS are saved in current_pt_regs(). The rest of the
* segment selectors need to be saved and restored here.
*/
u16 ds, es, fs, gs;
/*
* Usermode FSBASE and GSBASE may not match the fs and gs selectors,
* so we save them separately. We save the kernelmode GSBASE to
* restore percpu access after resume.
*/
unsigned long kernelmode_gs_base, usermode_gs_base, fs_base;
unsigned long cr0, cr2, cr3, cr4, cr8;
u64 misc_enable;
bool misc_enable_saved;
struct saved_msrs saved_msrs;
unsigned long efer;
u16 gdt_pad; /* Unused */
struct desc_ptr gdt_desc;
u16 idt_pad;
struct desc_ptr idt;
u16 ldt;
u16 tss;
unsigned long tr;
unsigned long safety;
unsigned long return_address;
} __attribute__((packed));
#define loaddebug(thread,register) \
set_debugreg((thread)->debugreg##register, register)
/* routines for saving/restoring kernel state */
extern char core_restore_code[];
extern char restore_registers[];
#endif /* _ASM_X86_SUSPEND_64_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andi Kleen | 74 | 56.06% | 4 | 21.05% |
| Rafael J. Wysocki | 19 | 14.39% | 3 | 15.79% |
| Konrad Rzeszutek Wilk | 8 | 6.06% | 1 | 5.26% |
| Andrew Lutomirski | 7 | 5.30% | 2 | 10.53% |
| Ondrej Zary | 6 | 4.55% | 1 | 5.26% |
| Chen Yu | 4 | 3.03% | 1 | 5.26% |
| Vivek Goyal | 4 | 3.03% | 1 | 5.26% |
| H. Peter Anvin | 3 | 2.27% | 1 | 5.26% |
| Pavel Machek | 2 | 1.52% | 1 | 5.26% |
| Kees Cook | 2 | 1.52% | 1 | 5.26% |
| Ingo Molnar | 1 | 0.76% | 1 | 5.26% |
| Greg Kroah-Hartman | 1 | 0.76% | 1 | 5.26% |
| Jan Beulich | 1 | 0.76% | 1 | 5.26% |
| Total | 132 | 100.00% | 19 | 100.00% |
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