Inital import

[l4.git] / l4 / pkg / linux-26-headers / include / asm-x86 / suspend_32.h

diff --git a/l4/pkg/linux-26-headers/include/asm-x86/suspend_32.h b/l4/pkg/linux-26-headers/include/asm-x86/suspend_32.h
new file mode 100644 (file)
index 0000000..8675c67
--- /dev/null
+++ b/l4/pkg/linux-26-headers/include/asm-x86/suspend_32.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2001-2002 Pavel Machek <pavel@suse.cz>
+ * Based on code
+ * Copyright 2001 Patrick Mochel <mochel@osdl.org>
+ */
+#ifndef __ASM_X86_32_SUSPEND_H
+#define __ASM_X86_32_SUSPEND_H
+
+#include <asm/desc.h>
+#include <asm/i387.h>
+
+static inline int arch_prepare_suspend(void) { return 0; }
+
+/* image of the saved processor state */
+struct saved_context {
+       u16 es, fs, gs, ss;
+       unsigned long cr0, cr2, cr3, cr4;
+       struct desc_ptr gdt;
+       struct desc_ptr idt;
+       u16 ldt;
+       u16 tss;
+       unsigned long tr;
+       unsigned long safety;
+       unsigned long return_address;
+} __attribute__((packed));
+
+#ifdef CONFIG_ACPI
+extern unsigned long saved_eip;
+extern unsigned long saved_esp;
+extern unsigned long saved_ebp;
+extern unsigned long saved_ebx;
+extern unsigned long saved_esi;
+extern unsigned long saved_edi;
+
+static inline void acpi_save_register_state(unsigned long return_point)
+{
+       saved_eip = return_point;
+       asm volatile("movl %%esp,%0" : "=m" (saved_esp));
+       asm volatile("movl %%ebp,%0" : "=m" (saved_ebp));
+       asm volatile("movl %%ebx,%0" : "=m" (saved_ebx));
+       asm volatile("movl %%edi,%0" : "=m" (saved_edi));
+       asm volatile("movl %%esi,%0" : "=m" (saved_esi));
+}
+
+#define acpi_restore_register_state()  do {} while (0)
+
+/* routines for saving/restoring kernel state */
+extern int acpi_save_state_mem(void);
+#endif
+
+#endif /* __ASM_X86_32_SUSPEND_H */