diff options
Diffstat (limited to 'arch/x86/include/asm/suspend_32.h')
| -rw-r--r-- | arch/x86/include/asm/suspend_32.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/x86/include/asm/suspend_32.h b/arch/x86/include/asm/suspend_32.h new file mode 100644 index 000000000..3b97aa921 --- /dev/null +++ b/arch/x86/include/asm/suspend_32.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2001-2002 Pavel Machek <pavel@suse.cz> + * Based on code + * Copyright 2001 Patrick Mochel <mochel@osdl.org> + */ +#ifndef _ASM_X86_SUSPEND_32_H +#define _ASM_X86_SUSPEND_32_H + +#include <asm/desc.h> +#include <asm/fpu/api.h> + +/* image of the saved processor state */ +struct saved_context { + /* + * On x86_32, all segment registers, with the possible exception of + * gs, are saved at kernel entry in pt_regs. + */ +#ifdef CONFIG_X86_32_LAZY_GS + u16 gs; +#endif + unsigned long cr0, cr2, cr3, cr4; + u64 misc_enable; + struct saved_msrs saved_msrs; + struct desc_ptr gdt_desc; + struct desc_ptr idt; + u16 ldt; + u16 tss; + unsigned long tr; + unsigned long safety; + unsigned long return_address; + bool misc_enable_saved; +} __attribute__((packed)); + +/* routines for saving/restoring kernel state */ +extern char core_restore_code[]; +extern char restore_registers[]; + +#endif /* _ASM_X86_SUSPEND_32_H */ |