2009-07-07  Robert Millan  <address@hidden>

	* conf/i386-coreboot.rmk (reboot_mod_SOURCES): Remove
	`kern/i386/reboot.c'.
	* kern/i386/qemu/startup.S: Include `"../realmode.S"'.
	(grub_reboot): New function.
	* kern/i386/realmode.S: Include `<grub/machine/machine.h>'.
	(prot_to_real): Only enable i8086 interrupts on i386-pc.
	* include/grub/i386/coreboot/init.h (grub_reboot): New function
	prototype.

Index: conf/i386-coreboot.rmk
===================================================================
--- conf/i386-coreboot.rmk	(revision 2398)
+++ conf/i386-coreboot.rmk	(working copy)
@@ -174,7 +174,7 @@ linux_mod_CFLAGS = $(COMMON_CFLAGS)
 linux_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
 # For reboot.mod.
-reboot_mod_SOURCES = commands/reboot.c kern/i386/reboot.c
+reboot_mod_SOURCES = commands/reboot.c
 reboot_mod_CFLAGS = $(COMMON_CFLAGS)
 reboot_mod_LDFLAGS = $(COMMON_LDFLAGS)
 
Index: kern/i386/qemu/startup.S
===================================================================
--- kern/i386/qemu/startup.S	(revision 2398)
+++ kern/i386/qemu/startup.S	(working copy)
@@ -95,3 +95,11 @@ codestart:
 
 	/* This should never happen.  */
 	jmp	EXT_C(grub_stop)
+
+#include "../realmode.S"
+
+FUNCTION(grub_reboot)
+	call    prot_to_real
+	.code16
+	ljmp	$0xf000, $0xfff0
+	.code32
Index: kern/i386/realmode.S
===================================================================
--- kern/i386/realmode.S	(revision 2398)
+++ kern/i386/realmode.S	(working copy)
@@ -41,6 +41,8 @@
  *       with "ret $N" where N is ((the number of arguments) - 3) * 4.
  */
 
+#include <grub/machine/machine.h>
+
 /*
  *  This is the area for all of the special variables.
  */
@@ -215,8 +217,10 @@ realcseg:
 	movw	%ax, %gs
 	movw	%ax, %ss
 
+#ifdef GRUB_MACHINE_PCBIOS
 	/* restore interrupts */
 	sti
+#endif
 
 	/* return on new stack! */
 	DATA32	ret
Index: include/grub/i386/coreboot/init.h
===================================================================
--- include/grub/i386/coreboot/init.h	(revision 2398)
+++ include/grub/i386/coreboot/init.h	(working copy)
@@ -1,6 +1,6 @@
 /*
  *  GRUB  --  GRand Unified Bootloader
- *  Copyright (C) 2007  Free Software Foundation, Inc.
+ *  Copyright (C) 2007,2009  Free Software Foundation, Inc.
  *
  *  GRUB is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -24,5 +24,6 @@
 
 void EXPORT_FUNC(grub_stop) (void) __attribute__ ((noreturn));
 void EXPORT_FUNC(grub_stop_floppy) (void);
+void EXPORT_FUNC (grub_reboot) (void) __attribute__ ((noreturn));
 
 #endif