summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/suspend_32.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/x86/include/asm/suspend_32.h
parentInitial commit. (diff)
downloadlinux-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.h37
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 */