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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/x86/include/asm/suspend_32.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/include/asm/suspend_32.h')
| -rw-r--r-- | arch/x86/include/asm/suspend_32.h | 37 |
1 files changed, 37 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..a800abb1a --- /dev/null +++ b/arch/x86/include/asm/suspend_32.h @@ -0,0 +1,37 @@ +/* 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 except gs are saved at kernel + * entry in pt_regs. + */ + u16 gs; + 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 */ |