32 files changed, 690 insertions, 760 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 0a7193ae45ed..4e32b6f7d31a 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -181,7 +181,7 @@ config X86_BIOS_REBOOT
 
 config X86_TRAMPOLINE
         bool
-        depends on X86_SMP || (X86_VOYAGER && SMP)
+        depends on X86_SMP || (X86_VOYAGER && SMP) || (64BIT && ACPI_SLEEP)
         default y
 
 config KTIME_SCALAR
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index 9695affeb584..7ee102f9c4f8 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -30,7 +30,7 @@ subdir-		:= compressed
 
 setup-y         += a20.o cmdline.o copy.o cpu.o cpucheck.o edd.o
 setup-y         += header.o main.o mca.o memory.o pm.o pmjump.o
-setup-y         += printf.o string.o tty.o video.o version.o
+setup-y         += printf.o string.o tty.o video.o video-mode.o version.o
 setup-$(CONFIG_X86_APM_BOOT) += apm.o
 setup-$(CONFIG_X86_VOYAGER) += voyager.o
 
diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index 7822a4983da2..09578070bfba 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -286,6 +286,11 @@ int getchar_timeout(void);
 /* video.c */
 void set_video(void);
 
+/* video-mode.c */
+int set_mode(u16 mode);
+int mode_defined(u16 mode);
+void probe_cards(int unsafe);
+
 /* video-vesa.c */
 void vesa_store_edid(void);
 
diff --git a/arch/x86/boot/video-bios.c b/arch/x86/boot/video-bios.c
index ff664a117096..39e247e96172 100644
--- a/arch/x86/boot/video-bios.c
+++ b/arch/x86/boot/video-bios.c
@@ -50,6 +50,7 @@ static int set_bios_mode(u8 mode)
         if (new_mode == mode)
                 return 0;       /* Mode change OK */
 
+#ifndef _WAKEUP
         if (new_mode != boot_params.screen_info.orig_video_mode) {
                 /* Mode setting failed, but we didn't end up where we
                    started.  That's bad.  Try to revert to the original
@@ -59,13 +60,18 @@ static int set_bios_mode(u8 mode)
                              : "+a" (ax)
                              : : "ebx", "ecx", "edx", "esi", "edi");
         }
+#endif
         return -1;
 }
 
 static int bios_probe(void)
 {
         u8 mode;
+#ifdef _WAKEUP
+        u8 saved_mode = 0x03;
+#else
         u8 saved_mode = boot_params.screen_info.orig_video_mode;
+#endif
         u16 crtc;
         struct mode_info *mi;
         int nmodes = 0;
diff --git a/arch/x86/boot/video-mode.c b/arch/x86/boot/video-mode.c
new file mode 100644
index 000000000000..748e8d06290a
--- /dev/null
+++ b/arch/x86/boot/video-mode.c
@@ -0,0 +1,173 @@
+/* -*- linux-c -*- ------------------------------------------------------- *
+ *
+ *   Copyright (C) 1991, 1992 Linus Torvalds
+ *   Copyright 2007-2008 rPath, Inc. - All Rights Reserved
+ *
+ *   This file is part of the Linux kernel, and is made available under
+ *   the terms of the GNU General Public License version 2.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * arch/i386/boot/video-mode.c
+ *
+ * Set the video mode.  This is separated out into a different
+ * file in order to be shared with the ACPI wakeup code.
+ */
+
+#include "boot.h"
+#include "video.h"
+#include "vesa.h"
+
+/*
+ * Common variables
+ */
+int adapter;                    /* 0=CGA/MDA/HGC, 1=EGA, 2=VGA+ */
+u16 video_segment;
+int force_x, force_y;   /* Don't query the BIOS for cols/rows */
+
+int do_restore;         /* Screen contents changed during mode flip */
+int graphic_mode;       /* Graphic mode with linear frame buffer */
+
+/* Probe the video drivers and have them generate their mode lists. */
+void probe_cards(int unsafe)
+{
+        struct card_info *card;
+        static u8 probed[2];
+
+        if (probed[unsafe])
+                return;
+
+        probed[unsafe] = 1;
+
+        for (card = video_cards; card < video_cards_end; card++) {
+                if (card->unsafe == unsafe) {
+                        if (card->probe)
+                                card->nmodes = card->probe();
+                        else
+                                card->nmodes = 0;
+                }
+        }
+}
+
+/* Test if a mode is defined */
+int mode_defined(u16 mode)
+{
+        struct card_info *card;
+        struct mode_info *mi;
+        int i;
+
+        for (card = video_cards; card < video_cards_end; card++) {
+                mi = card->modes;
+                for (i = 0; i < card->nmodes; i++, mi++) {
+                        if (mi->mode == mode)
+                                return 1;
+                }
+        }
+
+        return 0;
+}
+
+/* Set mode (without recalc) */
+static int raw_set_mode(u16 mode, u16 *real_mode)
+{
+        int nmode, i;
+        struct card_info *card;
+        struct mode_info *mi;
+
+        /* Drop the recalc bit if set */
+        mode &= ~VIDEO_RECALC;
+
+        /* Scan for mode based on fixed ID, position, or resolution */
+        nmode = 0;
+        for (card = video_cards; card < video_cards_end; card++) {
+                mi = card->modes;
+                for (i = 0; i < card->nmodes; i++, mi++) {
+                        int visible = mi->x || mi->y;
+
+                        if ((mode == nmode && visible) ||
+                            mode == mi->mode ||
+                            mode == (mi->y << 8)+mi->x) {
+                                *real_mode = mi->mode;
+                                return card->set_mode(mi);
+                        }
+
+                        if (visible)
+                                nmode++;
+                }
+        }
+
+        /* Nothing found?  Is it an "exceptional" (unprobed) mode? */
+        for (card = video_cards; card < video_cards_end; card++) {
+                if (mode >= card->xmode_first &&
+                    mode < card->xmode_first+card->xmode_n) {
+                        struct mode_info mix;
+                        *real_mode = mix.mode = mode;
+                        mix.x = mix.y = 0;
+                        return card->set_mode(&mix);
+                }
+        }
+
+        /* Otherwise, failure... */
+        return -1;
+}
+
+/*
+ * Recalculate the vertical video cutoff (hack!)
+ */
+static void vga_recalc_vertical(void)
+{
+        unsigned int font_size, rows;
+        u16 crtc;
+        u8 pt, ov;
+
+        set_fs(0);
+        font_size = rdfs8(0x485); /* BIOS: font size (pixels) */
+        rows = force_y ? force_y : rdfs8(0x484)+1; /* Text rows */
+
+        rows *= font_size;      /* Visible scan lines */
+        rows--;                 /* ... minus one */
+
+        crtc = vga_crtc();
+
+        pt = in_idx(crtc, 0x11);
+        pt &= ~0x80;            /* Unlock CR0-7 */
+        out_idx(pt, crtc, 0x11);
+
+        out_idx((u8)rows, crtc, 0x12); /* Lower height register */
+
+        ov = in_idx(crtc, 0x07); /* Overflow register */
+        ov &= 0xbd;
+        ov |= (rows >> (8-1)) & 0x02;
+        ov |= (rows >> (9-6)) & 0x40;
+        out_idx(ov, crtc, 0x07);
+}
+
+/* Set mode (with recalc if specified) */
+int set_mode(u16 mode)
+{
+        int rv;
+        u16 real_mode;
+
+        /* Very special mode numbers... */
+        if (mode == VIDEO_CURRENT_MODE)
+                return 0;       /* Nothing to do... */
+        else if (mode == NORMAL_VGA)
+                mode = VIDEO_80x25;
+        else if (mode == EXTENDED_VGA)
+                mode = VIDEO_8POINT;
+
+        rv = raw_set_mode(mode, &real_mode);
+        if (rv)
+                return rv;
+
+        if (mode & VIDEO_RECALC)
+                vga_recalc_vertical();
+
+        /* Save the canonical mode number for the kernel, not
+           an alias, size specification or menu position */
+#ifndef _WAKEUP
+        boot_params.hdr.vid_mode = real_mode;
+#endif
+        return 0;
+}
diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c
index 419b5c273374..5d5a3f6e8b5c 100644
--- a/arch/x86/boot/video-vesa.c
+++ b/arch/x86/boot/video-vesa.c
@@ -24,7 +24,11 @@ static struct vesa_mode_info vminfo;
 
 __videocard video_vesa;
 
+#ifndef _WAKEUP
 static void vesa_store_mode_params_graphics(void);
+#else /* _WAKEUP */
+static inline void vesa_store_mode_params_graphics(void) {}
+#endif /* _WAKEUP */
 
 static int vesa_probe(void)
 {
@@ -165,6 +169,8 @@ static int vesa_set_mode(struct mode_info *mode)
 }
 
 
+#ifndef _WAKEUP
+
 /* Switch DAC to 8-bit mode */
 static void vesa_dac_set_8bits(void)
 {
@@ -288,6 +294,8 @@ void vesa_store_edid(void)
 #endif /* CONFIG_FIRMWARE_EDID */
 }
 
+#endif /* not _WAKEUP */
+
 __videocard video_vesa =
 {
         .card_name      = "VESA",
diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c
index 7259387b7d19..330d6589a2ad 100644
--- a/arch/x86/boot/video-vga.c
+++ b/arch/x86/boot/video-vga.c
@@ -210,6 +210,8 @@ static int vga_set_mode(struct mode_info *mode)
  */
 static int vga_probe(void)
 {
+        u16 ega_bx;
+
         static const char *card_name[] = {
                 "CGA/MDA/HGC", "EGA", "VGA"
         };
@@ -226,12 +228,16 @@ static int vga_probe(void)
         u8 vga_flag;
 
         asm(INT10
-            : "=b" (boot_params.screen_info.orig_video_ega_bx)
+            : "=b" (ega_bx)
             : "a" (0x1200), "b" (0x10) /* Check EGA/VGA */
             : "ecx", "edx", "esi", "edi");
 
+#ifndef _WAKEUP
+        boot_params.screen_info.orig_video_ega_bx = ega_bx;
+#endif
+
         /* If we have MDA/CGA/HGC then BL will be unchanged at 0x10 */
-        if ((u8)boot_params.screen_info.orig_video_ega_bx != 0x10) {
+        if ((u8)ega_bx != 0x10) {
                 /* EGA/VGA */
                 asm(INT10
                     : "=a" (vga_flag)
@@ -240,7 +246,9 @@ static int vga_probe(void)
 
                 if (vga_flag == 0x1a) {
                         adapter = ADAPTER_VGA;
+#ifndef _WAKEUP
                         boot_params.screen_info.orig_video_isVGA = 1;
+#endif
                 } else {
                         adapter = ADAPTER_EGA;
                 }
diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c
index 696d08f3843c..c1c47ba069ef 100644
--- a/arch/x86/boot/video.c
+++ b/arch/x86/boot/video.c
@@ -18,21 +18,6 @@
 #include "video.h"
 #include "vesa.h"
 
-/*
- * Mode list variables
- */
-static struct card_info cards[];    /* List of cards to probe for */
-
-/*
- * Common variables
- */
-int adapter;                    /* 0=CGA/MDA/HGC, 1=EGA, 2=VGA+ */
-u16 video_segment;
-int force_x, force_y;   /* Don't query the BIOS for cols/rows */
-
-int do_restore = 0;     /* Screen contents changed during mode flip */
-int graphic_mode;       /* Graphic mode with linear frame buffer */
-
 static void store_cursor_position(void)
 {
         u16 curpos;
@@ -107,147 +92,6 @@ static void store_mode_params(void)
         boot_params.screen_info.orig_video_lines = y;
 }
 
-/* Probe the video drivers and have them generate their mode lists. */
-static void probe_cards(int unsafe)
-{
-        struct card_info *card;
-        static u8 probed[2];
-
-        if (probed[unsafe])
-                return;
-
-        probed[unsafe] = 1;
-
-        for (card = video_cards; card < video_cards_end; card++) {
-                if (card->unsafe == unsafe) {
-                        if (card->probe)
-                                card->nmodes = card->probe();
-                        else
-                                card->nmodes = 0;
-                }
-        }
-}
-
-/* Test if a mode is defined */
-int mode_defined(u16 mode)
-{
-        struct card_info *card;
-        struct mode_info *mi;
-        int i;
-
-        for (card = video_cards; card < video_cards_end; card++) {
-                mi = card->modes;
-                for (i = 0; i < card->nmodes; i++, mi++) {
-                        if (mi->mode == mode)
-                                return 1;
-                }
-        }
-
-        return 0;
-}
-
-/* Set mode (without recalc) */
-static int raw_set_mode(u16 mode, u16 *real_mode)
-{
-        int nmode, i;
-        struct card_info *card;
-        struct mode_info *mi;
-
-        /* Drop the recalc bit if set */
-        mode &= ~VIDEO_RECALC;
-
-        /* Scan for mode based on fixed ID, position, or resolution */
-        nmode = 0;
-        for (card = video_cards; card < video_cards_end; card++) {
-                mi = card->modes;
-                for (i = 0; i < card->nmodes; i++, mi++) {
-                        int visible = mi->x || mi->y;
-
-                        if ((mode == nmode && visible) ||
-                            mode == mi->mode ||
-                            mode == (mi->y << 8)+mi->x) {
-                                *real_mode = mi->mode;
-                                return card->set_mode(mi);
-                        }
-
-                        if (visible)
-                                nmode++;
-                }
-        }
-
-        /* Nothing found?  Is it an "exceptional" (unprobed) mode? */
-        for (card = video_cards; card < video_cards_end; card++) {
-                if (mode >= card->xmode_first &&
-                    mode < card->xmode_first+card->xmode_n) {
-                        struct mode_info mix;
-                        *real_mode = mix.mode = mode;
-                        mix.x = mix.y = 0;
-                        return card->set_mode(&mix);
-                }
-        }
-
-        /* Otherwise, failure... */
-        return -1;
-}
-
-/*
- * Recalculate the vertical video cutoff (hack!)
- */
-static void vga_recalc_vertical(void)
-{
-        unsigned int font_size, rows;
-        u16 crtc;
-        u8 pt, ov;
-
-        set_fs(0);
-        font_size = rdfs8(0x485); /* BIOS: font size (pixels) */
-        rows = force_y ? force_y : rdfs8(0x484)+1; /* Text rows */
-
-        rows *= font_size;      /* Visible scan lines */
-        rows--;                 /* ... minus one */
-
-        crtc = vga_crtc();
-
-        pt = in_idx(crtc, 0x11);
-        pt &= ~0x80;            /* Unlock CR0-7 */
-        out_idx(pt, crtc, 0x11);
-
-        out_idx((u8)rows, crtc, 0x12); /* Lower height register */
-
-        ov = in_idx(crtc, 0x07); /* Overflow register */
-        ov &= 0xbd;
-        ov |= (rows >> (8-1)) & 0x02;
-        ov |= (rows >> (9-6)) & 0x40;
-        out_idx(ov, crtc, 0x07);
-}
-
-/* Set mode (with recalc if specified) */
-static int set_mode(u16 mode)
-{
-        int rv;
-        u16 real_mode;
-
-        /* Very special mode numbers... */
-        if (mode == VIDEO_CURRENT_MODE)
-                return 0;       /* Nothing to do... */
-        else if (mode == NORMAL_VGA)
-                mode = VIDEO_80x25;
-        else if (mode == EXTENDED_VGA)
-                mode = VIDEO_8POINT;
-
-        rv = raw_set_mode(mode, &real_mode);
-        if (rv)
-                return rv;
-
-        if (mode & VIDEO_RECALC)
-                vga_recalc_vertical();
-
-        /* Save the canonical mode number for the kernel, not
-           an alias, size specification or menu position */
-        boot_params.hdr.vid_mode = real_mode;
-        return 0;
-}
-
 static unsigned int get_entry(void)
 {
         char entry_buf[4];
@@ -486,6 +330,7 @@ void set_video(void)
                 printf("Undefined video mode number: %x\n", mode);
                 mode = ASK_VGA;
         }
+        boot_params.hdr.vid_mode = mode;
         vesa_store_edid();
         store_mode_params();
 
diff --git a/arch/x86/kernel/acpi/Makefile b/arch/x86/kernel/acpi/Makefile
index 19d3d6e9d09b..7335959b6aff 100644
--- a/arch/x86/kernel/acpi/Makefile
+++ b/arch/x86/kernel/acpi/Makefile
@@ -1,7 +1,14 @@
+subdir-                         := realmode
+
 obj-$(CONFIG_ACPI)              += boot.o
-obj-$(CONFIG_ACPI_SLEEP)        += sleep.o wakeup_$(BITS).o
+obj-$(CONFIG_ACPI_SLEEP)        += sleep.o wakeup_rm.o wakeup_$(BITS).o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
 obj-y                           += cstate.o processor.o
 endif
 
+$(obj)/wakeup_rm.o:    $(obj)/realmode/wakeup.bin
+
+$(obj)/realmode/wakeup.bin: FORCE
+        $(Q)$(MAKE) $(build)=$(obj)/realmode $@
+
diff --git a/arch/x86/kernel/acpi/realmode/Makefile b/arch/x86/kernel/acpi/realmode/Makefile
new file mode 100644
index 000000000000..092900854acc
--- /dev/null
+++ b/arch/x86/kernel/acpi/realmode/Makefile
@@ -0,0 +1,57 @@
+#
+# arch/x86/kernel/acpi/realmode/Makefile
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License.  See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+
+targets         := wakeup.bin wakeup.elf
+
+wakeup-y        += wakeup.o wakemain.o video-mode.o copy.o
+
+# The link order of the video-*.o modules can matter.  In particular,
+# video-vga.o *must* be listed first, followed by video-vesa.o.
+# Hardware-specific drivers should follow in the order they should be
+# probed, and video-bios.o should typically be last.
+wakeup-y        += video-vga.o
+wakeup-y        += video-vesa.o
+wakeup-y        += video-bios.o
+
+targets         += $(wakeup-y)
+
+bootsrc         := $(src)/../../../boot
+
+# ---------------------------------------------------------------------------
+
+# How to compile the 16-bit code.  Note we always compile for -march=i386,
+# that way we can complain to the user if the CPU is insufficient.
+# Compile with _SETUP since this is similar to the boot-time setup code.
+KBUILD_CFLAGS   := $(LINUXINCLUDE) -g -Os -D_SETUP -D_WAKEUP -D__KERNEL__ \
+                   -I$(srctree)/$(bootsrc) \
+                   $(cflags-y) \
+                   -Wall -Wstrict-prototypes \
+                   -march=i386 -mregparm=3 \
+                   -include $(srctree)/$(bootsrc)/code16gcc.h \
+                   -fno-strict-aliasing -fomit-frame-pointer \
+                   $(call cc-option, -ffreestanding) \
+                   $(call cc-option, -fno-toplevel-reorder,\
+                        $(call cc-option, -fno-unit-at-a-time)) \
+                   $(call cc-option, -fno-stack-protector) \
+                   $(call cc-option, -mpreferred-stack-boundary=2)
+KBUILD_CFLAGS   += $(call cc-option, -m32)
+KBUILD_AFLAGS   := $(KBUILD_CFLAGS) -D__ASSEMBLY__
+
+WAKEUP_OBJS = $(addprefix $(obj)/,$(wakeup-y))
+
+LDFLAGS_wakeup.elf      := -T
+
+CPPFLAGS_wakeup.lds += -P -C
+
+$(obj)/wakeup.elf: $(src)/wakeup.lds $(WAKEUP_OBJS) FORCE
+        $(call if_changed,ld)
+
+OBJCOPYFLAGS_wakeup.bin := -O binary
+
+$(obj)/wakeup.bin: $(obj)/wakeup.elf FORCE
+        $(call if_changed,objcopy)
diff --git a/arch/x86/kernel/acpi/realmode/copy.S b/arch/x86/kernel/acpi/realmode/copy.S
new file mode 100644
index 000000000000..dc59ebee69d8
--- /dev/null
+++ b/arch/x86/kernel/acpi/realmode/copy.S
@@ -0,0 +1 @@
+#include "../../../boot/copy.S"
diff --git a/arch/x86/kernel/acpi/realmode/video-bios.c b/arch/x86/kernel/acpi/realmode/video-bios.c
new file mode 100644
index 000000000000..7deabc144a27
--- /dev/null
+++ b/arch/x86/kernel/acpi/realmode/video-bios.c
@@ -0,0 +1 @@
+#include "../../../boot/video-bios.c"
diff --git a/arch/x86/kernel/acpi/realmode/video-mode.c b/arch/x86/kernel/acpi/realmode/video-mode.c
new file mode 100644
index 000000000000..328ad209f113
--- /dev/null
+++ b/arch/x86/kernel/acpi/realmode/video-mode.c
@@ -0,0 +1 @@
+#include "../../../boot/video-mode.c"
diff --git a/arch/x86/kernel/acpi/realmode/video-vesa.c b/arch/x86/kernel/acpi/realmode/video-vesa.c
new file mode 100644
index 000000000000..9dbb9672226a
--- /dev/null
+++ b/arch/x86/kernel/acpi/realmode/video-vesa.c
@@ -0,0 +1 @@
+#include "../../../boot/video-vesa.c"
diff --git a/arch/x86/kernel/acpi/realmode/video-vga.c b/arch/x86/kernel/acpi/realmode/video-vga.c
new file mode 100644
index 000000000000..bcc81255f374
--- /dev/null
+++ b/arch/x86/kernel/acpi/realmode/video-vga.c
@@ -0,0 +1 @@
+#include "../../../boot/video-vga.c"
diff --git a/arch/x86/kernel/acpi/realmode/wakemain.c b/arch/x86/kernel/acpi/realmode/wakemain.c
new file mode 100644
index 000000000000..883962d9eef2
--- /dev/null
+++ b/arch/x86/kernel/acpi/realmode/wakemain.c
@@ -0,0 +1,81 @@
+#include "wakeup.h"
+#include "boot.h"
+
+static void udelay(int loops)
+{
+        while (loops--)
+                io_delay();     /* Approximately 1 us */
+}
+
+static void beep(unsigned int hz)
+{
+        u8 enable;
+
+        if (!hz) {
+                enable = 0x00;          /* Turn off speaker */
+        } else {
+                u16 div = 1193181/hz;
+
+                outb(0xb6, 0x43);       /* Ctr 2, squarewave, load, binary */
+                io_delay();
+                outb(div, 0x42);        /* LSB of counter */
+                io_delay();
+                outb(div >> 8, 0x42);   /* MSB of counter */
+                io_delay();
+
+                enable = 0x03;          /* Turn on speaker */
+        }
+        inb(0x61);              /* Dummy read of System Control Port B */
+        io_delay();
+        outb(enable, 0x61);     /* Enable timer 2 output to speaker */
+        io_delay();
+}
+
+#define DOT_HZ          880
+#define DASH_HZ         587
+#define US_PER_DOT      125000
+
+/* Okay, this is totally silly, but it's kind of fun. */
+static void send_morse(const char *pattern)
+{
+        char s;
+
+        while ((s = *pattern++)) {
+                switch (s) {
+                case '.':
+                        beep(DOT_HZ);
+                        udelay(US_PER_DOT);
+                        beep(0);
+                        udelay(US_PER_DOT);
+                        break;
+                case '-':
+                        beep(DASH_HZ);
+                        udelay(US_PER_DOT * 3);
+                        beep(0);
+                        udelay(US_PER_DOT);
+                        break;
+                default:        /* Assume it's a space */
+                        udelay(US_PER_DOT * 3);
+                        break;
+                }
+        }
+}
+
+void main(void)
+{
+        /* Kill machine if structures are wrong */
+        if (wakeup_header.real_magic != 0x12345678)
+                while (1);
+
+        if (wakeup_header.realmode_flags & 4)
+                send_morse("...-");
+
+        if (wakeup_header.realmode_flags & 1)
+                asm volatile("lcallw   $0xc000,$3");
+
+        if (wakeup_header.realmode_flags & 2) {
+                /* Need to call BIOS */
+                probe_cards(0);
+                set_mode(wakeup_header.video_mode);
+        }
+}
diff --git a/arch/x86/kernel/acpi/realmode/wakeup.S b/arch/x86/kernel/acpi/realmode/wakeup.S
new file mode 100644
index 000000000000..f9b77fb37e5b
--- /dev/null
+++ b/arch/x86/kernel/acpi/realmode/wakeup.S
@@ -0,0 +1,113 @@
+/*
+ * ACPI wakeup real mode startup stub
+ */
+#include <asm/segment.h>
+#include <asm/msr-index.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+
+        .code16
+        .section ".header", "a"
+
+/* This should match the structure in wakeup.h */
+                .globl  wakeup_header
+wakeup_header:
+video_mode:     .short  0       /* Video mode number */
+pmode_return:   .byte   0x66, 0xea      /* ljmpl */
+                .long   0       /* offset goes here */
+                .short  __KERNEL_CS
+pmode_cr0:      .long   0       /* Saved %cr0 */
+pmode_cr3:      .long   0       /* Saved %cr3 */
+pmode_cr4:      .long   0       /* Saved %cr4 */
+pmode_efer:     .quad   0       /* Saved EFER */
+pmode_gdt:      .quad   0
+realmode_flags: .long   0
+real_magic:     .long   0
+trampoline_segment:     .word 0
+signature:      .long   0x51ee1111
+
+        .text
+        .globl  _start
+        .code16
+wakeup_code:
+_start:
+        cli
+        cld
+
+        /* Set up segments */
+        movw    %cs, %ax
+        movw    %ax, %ds
+        movw    %ax, %es
+        movw    %ax, %ss
+
+        movl    $wakeup_stack_end, %esp
+
+        /* Clear the EFLAGS */
+        pushl   $0
+        popfl
+
+        /* Check header signature... */
+        movl    signature, %eax
+        cmpl    $0x51ee1111, %eax
+        jne     bogus_real_magic
+
+        /* Check we really have everything... */
+        movl    end_signature, %eax
+        cmpl    $0x65a22c82, %eax
+        jne     bogus_real_magic
+
+        /* Call the C code */
+        calll   main
+
+        /* Do any other stuff... */
+
+#ifndef CONFIG_64BIT
+        /* This could also be done in C code... */
+        movl    pmode_cr3, %eax
+        movl    %eax, %cr3
+
+        movl    pmode_cr4, %ecx
+        jecxz   1f
+        movl    %ecx, %cr4
+1:
+        movl    pmode_efer, %eax
+        movl    pmode_efer + 4, %edx
+        movl    %eax, %ecx
+        orl     %edx, %ecx
+        jz      1f
+        movl    $0xc0000080, %ecx
+        wrmsr
+1:
+
+        lgdtl   pmode_gdt
+
+        /* This really couldn't... */
+        movl    pmode_cr0, %eax
+        movl    %eax, %cr0
+        jmp     pmode_return
+#else
+        pushw   $0
+        pushw   trampoline_segment
+        pushw   $0
+        lret
+#endif
+
+bogus_real_magic:
+1:
+        hlt
+        jmp     1b
+
+        .data
+        .balign 4
+        .globl  HEAP, heap_end
+HEAP:
+        .long   wakeup_heap
+heap_end:
+        .long   wakeup_stack
+
+        .bss
+wakeup_heap:
+        .space  2048
+wakeup_stack:
+        .space  2048
+wakeup_stack_end:
diff --git a/arch/x86/kernel/acpi/realmode/wakeup.h b/arch/x86/kernel/acpi/realmode/wakeup.h
new file mode 100644
index 000000000000..ef8166fe8020
--- /dev/null
+++ b/arch/x86/kernel/acpi/realmode/wakeup.h
@@ -0,0 +1,36 @@
+/*
+ * Definitions for the wakeup data structure at the head of the
+ * wakeup code.
+ */
+
+#ifndef ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
+#define ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+/* This must match data at wakeup.S */
+struct wakeup_header {
+        u16 video_mode;         /* Video mode number */
+        u16 _jmp1;              /* ljmpl opcode, 32-bit only */
+        u32 pmode_entry;        /* Protected mode resume point, 32-bit only */
+        u16 _jmp2;              /* CS value, 32-bit only */
+        u32 pmode_cr0;          /* Protected mode cr0 */
+        u32 pmode_cr3;          /* Protected mode cr3 */
+        u32 pmode_cr4;          /* Protected mode cr4 */
+        u32 pmode_efer_low;     /* Protected mode EFER */
+        u32 pmode_efer_high;
+        u64 pmode_gdt;
+        u32 realmode_flags;
+        u32 real_magic;
+        u16 trampoline_segment; /* segment with trampoline code, 64-bit only */
+        u32 signature;          /* To check we have correct structure */
+} __attribute__((__packed__));
+
+extern struct wakeup_header wakeup_header;
+#endif
+
+#define HEADER_OFFSET 0x3f00
+#define WAKEUP_SIZE   0x4000
+
+#endif /* ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H */
diff --git a/arch/x86/kernel/acpi/realmode/wakeup.lds.S b/arch/x86/kernel/acpi/realmode/wakeup.lds.S
new file mode 100644
index 000000000000..22fab6c4be15
--- /dev/null
+++ b/arch/x86/kernel/acpi/realmode/wakeup.lds.S
@@ -0,0 +1,61 @@
+/*
+ * wakeup.ld
+ *
+ * Linker script for the real-mode wakeup code
+ */
+#undef i386
+#include "wakeup.h"
+
+OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
+OUTPUT_ARCH(i386)
+ENTRY(_start)
+
+SECTIONS
+{
+        . = HEADER_OFFSET;
+        .header : {
+                 *(.header)
+        }
+
+        . = 0;
+        .text : {
+                 *(.text*)
+        }
+
+        . = ALIGN(16);
+        .rodata : {
+                *(.rodata*)
+        }
+
+        .videocards : {
+                video_cards = .;
+                *(.videocards)
+                video_cards_end = .;
+        }
+
+        . = ALIGN(16);
+        .data : {
+                 *(.data*)
+        }
+
+        .signature : {
+                end_signature = .;
+                LONG(0x65a22c82)
+        }
+
+        . = ALIGN(16);
+        .bss :  {
+                __bss_start = .;
+                *(.bss)
+                __bss_end = .;
+        }
+
+        . = ALIGN(16);
+        _end = .;
+
+        /DISCARD/ : {
+                *(.note*)
+        }
+
+        . = ASSERT(_end <= WAKEUP_SIZE, "Wakeup too big!");
+}
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index dd78326ae47c..afc25ee9964b 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -10,30 +10,72 @@
 #include <linux/dmi.h>
 #include <linux/cpumask.h>
 
-#include <asm/smp.h>
+#include "realmode/wakeup.h"
+#include "sleep.h"
 
-/* address in low memory of the wakeup routine. */
 unsigned long acpi_wakeup_address;
 unsigned long acpi_realmode_flags;
-extern char wakeup_start, wakeup_end;
 
-extern unsigned long acpi_copy_wakeup_routine(unsigned long);
+/* address in low memory of the wakeup routine. */
+static unsigned long acpi_realmode;
+
+#ifdef CONFIG_64BIT
+static char temp_stack[10240];
+#endif
 
 /**
  * acpi_save_state_mem - save kernel state
  *
  * Create an identity mapped page table and copy the wakeup routine to
  * low memory.
+ *
+ * Note that this is too late to change acpi_wakeup_address.
  */
 int acpi_save_state_mem(void)
 {
-        if (!acpi_wakeup_address) {
-                printk(KERN_ERR "Could not allocate memory during boot, S3 disabled\n");
+        struct wakeup_header *header;
+
+        if (!acpi_realmode) {
+                printk(KERN_ERR "Could not allocate memory during boot, "
+                       "S3 disabled\n");
                 return -ENOMEM;
         }
-        memcpy((void *)acpi_wakeup_address, &wakeup_start,
-               &wakeup_end - &wakeup_start);
-        acpi_copy_wakeup_routine(acpi_wakeup_address);
+        memcpy((void *)acpi_realmode, &wakeup_code_start, WAKEUP_SIZE);
+
+        header = (struct wakeup_header *)(acpi_realmode + HEADER_OFFSET);
+        if (header->signature != 0x51ee1111) {
+                printk(KERN_ERR "wakeup header does not match\n");
+                return -EINVAL;
+        }
+
+        header->video_mode = saved_video_mode;
+
+#ifndef CONFIG_64BIT
+        store_gdt((struct desc_ptr *)&header->pmode_gdt);
+
+        header->pmode_efer_low = nx_enabled;
+        if (header->pmode_efer_low & 1) {
+                /* This is strange, why not save efer, always? */
+                rdmsr(MSR_EFER, header->pmode_efer_low,
+                        header->pmode_efer_high);
+        }
+#endif /* !CONFIG_64BIT */
+
+        header->pmode_cr0 = read_cr0();
+        header->pmode_cr4 = read_cr4();
+        header->realmode_flags = acpi_realmode_flags;
+        header->real_magic = 0x12345678;
+
+#ifndef CONFIG_64BIT
+        header->pmode_entry = (u32)&wakeup_pmode_return;
+        header->pmode_cr3 = (u32)(swsusp_pg_dir - __PAGE_OFFSET);
+        saved_magic = 0x12345678;
+#else /* CONFIG_64BIT */
+        header->trampoline_segment = setup_trampoline() >> 4;
+        init_rsp = (unsigned long)temp_stack + 4096;
+        initial_code = (unsigned long)wakeup_long64;
+        saved_magic = 0x123456789abcdef0;
+#endif /* CONFIG_64BIT */
 
         return 0;
 }
@@ -56,15 +98,20 @@ void acpi_restore_state_mem(void)
  */
 void __init acpi_reserve_bootmem(void)
 {
-        if ((&wakeup_end - &wakeup_start) > PAGE_SIZE*2) {
+        if ((&wakeup_code_end - &wakeup_code_start) > WAKEUP_SIZE) {
                 printk(KERN_ERR
                        "ACPI: Wakeup code way too big, S3 disabled.\n");
                 return;
         }
 
-        acpi_wakeup_address = (unsigned long)alloc_bootmem_low(PAGE_SIZE*2);
-        if (!acpi_wakeup_address)
+        acpi_realmode = (unsigned long)alloc_bootmem_low(WAKEUP_SIZE);
+
+        if (!acpi_realmode) {
                 printk(KERN_ERR "ACPI: Cannot allocate lowmem, S3 disabled.\n");
+                return;
+        }
+
+        acpi_wakeup_address = acpi_realmode;
 }
 
 
diff --git a/arch/x86/kernel/acpi/sleep.h b/arch/x86/kernel/acpi/sleep.h
new file mode 100644
index 000000000000..adbcbaa6f1df
--- /dev/null
+++ b/arch/x86/kernel/acpi/sleep.h
@@ -0,0 +1,16 @@
+/*
+ *      Variables and functions used by the code in sleep.c
+ */
+
+#include <asm/trampoline.h>
+
+extern char wakeup_code_start, wakeup_code_end;
+
+extern unsigned long saved_video_mode;
+extern long saved_magic;
+
+extern int wakeup_pmode_return;
+extern char swsusp_pg_dir[PAGE_SIZE];
+
+extern unsigned long acpi_copy_wakeup_routine(unsigned long);
+extern void wakeup_long64(void);
diff --git a/arch/x86/kernel/acpi/sleep_32.c b/arch/x86/kernel/acpi/sleep_32.c
deleted file mode 100644
index 63fe5525e026..000000000000
--- a/arch/x86/kernel/acpi/sleep_32.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * sleep.c - x86-specific ACPI sleep support.
- *
- *  Copyright (C) 2001-2003 Patrick Mochel
- *  Copyright (C) 2001-2003 Pavel Machek <pavel@suse.cz>
- */
-
-#include <linux/acpi.h>
-#include <linux/bootmem.h>
-#include <linux/dmi.h>
-#include <linux/cpumask.h>
-
-#include <asm/smp.h>
-
-/* Ouch, we want to delete this. We already have better version in userspace, in
-   s2ram from suspend.sf.net project */
-static __init int reset_videomode_after_s3(const struct dmi_system_id *d)
-{
-        acpi_realmode_flags |= 2;
-        return 0;
-}
-
-static __initdata struct dmi_system_id acpisleep_dmi_table[] = {
-        {                       /* Reset video mode after returning from ACPI S3 sleep */
-         .callback = reset_videomode_after_s3,
-         .ident = "Toshiba Satellite 4030cdt",
-         .matches = {
-                     DMI_MATCH(DMI_PRODUCT_NAME, "S4030CDT/4.3"),
-                     },
-         },
-        {}
-};
-
-static int __init acpisleep_dmi_init(void)
-{
-        dmi_check_system(acpisleep_dmi_table);
-        return 0;
-}
-
-core_initcall(acpisleep_dmi_init);
diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S
index f53e3277f8e5..a12e6a9fb659 100644
--- a/arch/x86/kernel/acpi/wakeup_32.S
+++ b/arch/x86/kernel/acpi/wakeup_32.S
@@ -3,178 +3,12 @@
 #include <asm/segment.h>
 #include <asm/page.h>
 
-#
-# wakeup_code runs in real mode, and at unknown address (determined at run-time).
-# Therefore it must only use relative jumps/calls. 
-#
-# Do we need to deal with A20? It is okay: ACPI specs says A20 must be enabled
-#
-# If physical address of wakeup_code is 0x12345, BIOS should call us with
-# cs = 0x1234, eip = 0x05
-#
-
-#define BEEP \
-        inb     $97, %al;       \
-        outb    %al, $0x80;     \
-        movb    $3, %al;        \
-        outb    %al, $97;       \
-        outb    %al, $0x80;     \
-        movb    $-74, %al;      \
-        outb    %al, $67;       \
-        outb    %al, $0x80;     \
-        movb    $-119, %al;     \
-        outb    %al, $66;       \
-        outb    %al, $0x80;     \
-        movb    $15, %al;       \
-        outb    %al, $66;
-
-ALIGN
-        .align  4096
-ENTRY(wakeup_start)
-wakeup_code:
-        wakeup_code_start = .
-        .code16
-
-        cli
-        cld
-
-        # setup data segment
-        movw    %cs, %ax
-        movw    %ax, %ds                                        # Make ds:0 point to wakeup_start
-        movw    %ax, %ss
-
-        testl   $4, realmode_flags - wakeup_code
-        jz      1f
-        BEEP
-1:
-        mov     $(wakeup_stack - wakeup_code), %sp              # Private stack is needed for ASUS board
-
-        pushl   $0                                              # Kill any dangerous flags
-        popfl
-
-        movl    real_magic - wakeup_code, %eax
-        cmpl    $0x12345678, %eax
-        jne     bogus_real_magic
-
-        testl   $1, realmode_flags - wakeup_code
-        jz      1f
-        lcall   $0xc000,$3
-        movw    %cs, %ax
-        movw    %ax, %ds                                        # Bios might have played with that
-        movw    %ax, %ss
-1:
-
-        testl   $2, realmode_flags - wakeup_code
-        jz      1f
-        mov     video_mode - wakeup_code, %ax
-        call    mode_set
-1:
-
-        # set up page table
-        movl    $swsusp_pg_dir-__PAGE_OFFSET, %eax
-        movl    %eax, %cr3
-
-        testl   $1, real_efer_save_restore - wakeup_code
-        jz      4f
-        # restore efer setting
-        movl    real_save_efer_edx - wakeup_code, %edx
-        movl    real_save_efer_eax - wakeup_code, %eax
-        mov     $0xc0000080, %ecx
-        wrmsr
-4:
-        # make sure %cr4 is set correctly (features, etc)
-        movl    real_save_cr4 - wakeup_code, %eax
-        movl    %eax, %cr4
-        
-        # need a gdt -- use lgdtl to force 32-bit operands, in case
-        # the GDT is located past 16 megabytes.
-        lgdtl   real_save_gdt - wakeup_code
-
-        movl    real_save_cr0 - wakeup_code, %eax
-        movl    %eax, %cr0
-        jmp 1f
-1:
-        movl    real_magic - wakeup_code, %eax
-        cmpl    $0x12345678, %eax
-        jne     bogus_real_magic
-
-        testl   $8, realmode_flags - wakeup_code
-        jz      1f
-        BEEP
-1:
-        ljmpl   $__KERNEL_CS, $wakeup_pmode_return
-
-real_save_gdt:  .word 0
-                .long 0
-real_save_cr0:  .long 0
-real_save_cr3:  .long 0
-real_save_cr4:  .long 0
-real_magic:     .long 0
-video_mode:     .long 0
-realmode_flags: .long 0
-real_efer_save_restore: .long 0
-real_save_efer_edx:     .long 0
-real_save_efer_eax:     .long 0
-
-bogus_real_magic:
-        jmp bogus_real_magic
-
-/* This code uses an extended set of video mode numbers. These include:
- * Aliases for standard modes
- *      NORMAL_VGA (-1)
- *      EXTENDED_VGA (-2)
- *      ASK_VGA (-3)
- * Video modes numbered by menu position -- NOT RECOMMENDED because of lack
- * of compatibility when extending the table. These are between 0x00 and 0xff.
- */
-#define VIDEO_FIRST_MENU 0x0000
-
-/* Standard BIOS video modes (BIOS number + 0x0100) */
-#define VIDEO_FIRST_BIOS 0x0100
-
-/* VESA BIOS video modes (VESA number + 0x0200) */
-#define VIDEO_FIRST_VESA 0x0200
-
-/* Video7 special modes (BIOS number + 0x0900) */
-#define VIDEO_FIRST_V7 0x0900
-
-# Setting of user mode (AX=mode ID) => CF=success
-
-# For now, we only handle VESA modes (0x0200..0x03ff).  To handle other
-# modes, we should probably compile in the video code from the boot
-# directory.
-mode_set:
-        movw    %ax, %bx
-        subb    $VIDEO_FIRST_VESA>>8, %bh
-        cmpb    $2, %bh
-        jb      check_vesa
-
-setbad:
-        clc
-        ret
-
-check_vesa:
-        orw     $0x4000, %bx                    # Use linear frame buffer
-        movw    $0x4f02, %ax                    # VESA BIOS mode set call
-        int     $0x10
-        cmpw    $0x004f, %ax                    # AL=4f if implemented
-        jnz     setbad                          # AH=0 if OK
-
-        stc
-        ret
+# Copyright 2003, 2008 Pavel Machek <pavel@suse.cz>, distribute under GPLv2
 
         .code32
         ALIGN
 
-.org    0x800
-wakeup_stack_begin:     # Stack grows down
-
-.org    0xff0           # Just below end of page
-wakeup_stack:
-ENTRY(wakeup_end)
-        
-.org    0x1000
-
+ENTRY(wakeup_pmode_return)
 wakeup_pmode_return:
         movw    $__KERNEL_DS, %ax
         movw    %ax, %ss
@@ -187,7 +21,7 @@ wakeup_pmode_return:
         lgdt    saved_gdt
         lidt    saved_idt
         lldt    saved_ldt
-        ljmp    $(__KERNEL_CS),$1f
+        ljmp    $(__KERNEL_CS), $1f
 1:
         movl    %cr3, %eax
         movl    %eax, %cr3
@@ -201,82 +35,41 @@ wakeup_pmode_return:
         jne     bogus_magic
 
         # jump to place where we left off
-        movl    saved_eip,%eax
+        movl    saved_eip, %eax
         jmp     *%eax
 
 bogus_magic:
         jmp     bogus_magic
 
 
-##
-# acpi_copy_wakeup_routine
-#
-# Copy the above routine to low memory.
-#
-# Parameters:
-# %eax: place to copy wakeup routine to
-#
-# Returned address is location of code in low memory (past data and stack)
-#
-ENTRY(acpi_copy_wakeup_routine)
 
-        pushl   %ebx
+save_registers:
         sgdt    saved_gdt
         sidt    saved_idt
         sldt    saved_ldt
         str     saved_tss
 
-        movl    nx_enabled, %edx
-        movl    %edx, real_efer_save_restore - wakeup_start (%eax)
-        testl   $1, real_efer_save_restore - wakeup_start (%eax)
-        jz      2f
-        # save efer setting
-        pushl   %eax
-        movl    %eax, %ebx
-        mov     $0xc0000080, %ecx
-        rdmsr
-        movl    %edx, real_save_efer_edx - wakeup_start (%ebx)
-        movl    %eax, real_save_efer_eax - wakeup_start (%ebx)
-        popl    %eax
-2:
-
-        movl    %cr3, %edx
-        movl    %edx, real_save_cr3 - wakeup_start (%eax)
-        movl    %cr4, %edx
-        movl    %edx, real_save_cr4 - wakeup_start (%eax)
-        movl    %cr0, %edx
-        movl    %edx, real_save_cr0 - wakeup_start (%eax)
-        sgdt    real_save_gdt - wakeup_start (%eax)
-
-        movl    saved_videomode, %edx
-        movl    %edx, video_mode - wakeup_start (%eax)
-        movl    acpi_realmode_flags, %edx
-        movl    %edx, realmode_flags - wakeup_start (%eax)
-        movl    $0x12345678, real_magic - wakeup_start (%eax)
-        movl    $0x12345678, saved_magic
-        popl    %ebx
-        ret
-
-save_registers:
         leal    4(%esp), %eax
         movl    %eax, saved_context_esp
-        movl %ebx, saved_context_ebx
-        movl %ebp, saved_context_ebp
-        movl %esi, saved_context_esi
-        movl %edi, saved_context_edi
-        pushfl ; popl saved_context_eflags
-
-        movl $ret_point, saved_eip
+        movl    %ebx, saved_context_ebx
+        movl    %ebp, saved_context_ebp
+        movl    %esi, saved_context_esi
+        movl    %edi, saved_context_edi
+        pushfl
+        popl    saved_context_eflags
+
+        movl    $ret_point, saved_eip
         ret
 
 
 restore_registers:
-        movl saved_context_ebp, %ebp
-        movl saved_context_ebx, %ebx
-        movl saved_context_esi, %esi
-        movl saved_context_edi, %edi
-        pushl saved_context_eflags ; popfl
-        ret     
+        movl    saved_context_ebp, %ebp
+        movl    saved_context_ebx, %ebx
+        movl    saved_context_esi, %esi
+        movl    saved_context_edi, %edi
+        pushl   saved_context_eflags
+        popfl
+        ret
 
 ENTRY(do_suspend_lowlevel)
         call    save_processor_state
diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S
index 2e1b9e0d0767..bcc293423a70 100644
--- a/arch/x86/kernel/acpi/wakeup_64.S
+++ b/arch/x86/kernel/acpi/wakeup_64.S
@@ -7,191 +7,18 @@
 #include <asm/asm-offsets.h>
 
 # Copyright 2003 Pavel Machek <pavel@suse.cz>, distribute under GPLv2
-#
-# wakeup_code runs in real mode, and at unknown address (determined at run-time).
-# Therefore it must only use relative jumps/calls. 
-#
-# Do we need to deal with A20? It is okay: ACPI specs says A20 must be enabled
-#
-# If physical address of wakeup_code is 0x12345, BIOS should call us with
-# cs = 0x1234, eip = 0x05
-#
-
-#define BEEP \
-        inb     $97, %al;       \
-        outb    %al, $0x80;     \
-        movb    $3, %al;        \
-        outb    %al, $97;       \
-        outb    %al, $0x80;     \
-        movb    $-74, %al;      \
-        outb    %al, $67;       \
-        outb    %al, $0x80;     \
-        movb    $-119, %al;     \
-        outb    %al, $66;       \
-        outb    %al, $0x80;     \
-        movb    $15, %al;       \
-        outb    %al, $66;
-
-
-ALIGN
-        .align  16
-ENTRY(wakeup_start)
-wakeup_code:
-        wakeup_code_start = .
-        .code16
-
-# Running in *copy* of this code, somewhere in low 1MB.
-
-        cli
-        cld
-        # setup data segment
-        movw    %cs, %ax
-        movw    %ax, %ds                # Make ds:0 point to wakeup_start
-        movw    %ax, %ss
-
-        # Data segment must be set up before we can see whether to beep.
-        testl   $4, realmode_flags - wakeup_code
-        jz      1f
-        BEEP
-1:
-
-                                        # Private stack is needed for ASUS board
-        mov     $(wakeup_stack - wakeup_code), %sp
-
-        pushl   $0                      # Kill any dangerous flags
-        popfl
-
-        movl    real_magic - wakeup_code, %eax
-        cmpl    $0x12345678, %eax
-        jne     bogus_real_magic
-
-        testl   $1, realmode_flags - wakeup_code
-        jz      1f
-        lcall   $0xc000,$3
-        movw    %cs, %ax
-        movw    %ax, %ds                # Bios might have played with that
-        movw    %ax, %ss
-1:
-
-        testl   $2, realmode_flags - wakeup_code
-        jz      1f
-        mov     video_mode - wakeup_code, %ax
-        call    mode_set
-1:
-
-        mov     %ds, %ax                        # Find 32bit wakeup_code addr
-        movzx   %ax, %esi                       # (Convert %ds:gdt to a liner ptr)
-        shll    $4, %esi
-                                                # Fix up the vectors
-        addl    %esi, wakeup_32_vector - wakeup_code
-        addl    %esi, wakeup_long64_vector - wakeup_code
-        addl    %esi, gdt_48a + 2 - wakeup_code # Fixup the gdt pointer
-
-        lidtl   %ds:idt_48a - wakeup_code
-        lgdtl   %ds:gdt_48a - wakeup_code       # load gdt with whatever is
-                                                # appropriate
-
-        movl    $1, %eax                        # protected mode (PE) bit
-        lmsw    %ax                             # This is it!
-        jmp     1f
-1:
-
-        ljmpl   *(wakeup_32_vector - wakeup_code)
-
-        .balign 4
-wakeup_32_vector:
-        .long   wakeup_32 - wakeup_code
-        .word   __KERNEL32_CS, 0
-
-        .code32
-wakeup_32:
-# Running in this code, but at low address; paging is not yet turned on.
-
-        movl    $__KERNEL_DS, %eax
-        movl    %eax, %ds
-
-        /*
-         * Prepare for entering 64bits mode
-         */
-
-        /* Enable PAE */
-        xorl    %eax, %eax
-        btsl    $5, %eax
-        movl    %eax, %cr4
-
-        /* Setup early boot stage 4 level pagetables */
-        leal    (wakeup_level4_pgt - wakeup_code)(%esi), %eax
-        movl    %eax, %cr3
-
-        /* Check if nx is implemented */
-        movl    $0x80000001, %eax
-        cpuid
-        movl    %edx,%edi
-
-        /* Enable Long Mode */
-        xorl    %eax, %eax
-        btsl    $_EFER_LME, %eax
-
-        /* No Execute supported? */
-        btl     $20,%edi
-        jnc     1f
-        btsl    $_EFER_NX, %eax
-                                
-        /* Make changes effective */
-1:      movl    $MSR_EFER, %ecx
-        xorl    %edx, %edx
-        wrmsr
-
-        xorl    %eax, %eax
-        btsl    $31, %eax                       /* Enable paging and in turn activate Long Mode */
-        btsl    $0, %eax                        /* Enable protected mode */
-
-        /* Make changes effective */
-        movl    %eax, %cr0
-
-        /* At this point:
-                CR4.PAE must be 1
-                CS.L must be 0
-                CR3 must point to PML4
-                Next instruction must be a branch
-                This must be on identity-mapped page
-        */
-        /*
-         * At this point we're in long mode but in 32bit compatibility mode
-         * with EFER.LME = 1, CS.L = 0, CS.D = 1 (and in turn
-         * EFER.LMA = 1). Now we want to jump in 64bit mode, to do that we load
-         * the new gdt/idt that has __KERNEL_CS with CS.L = 1.
-         */
-
-        /* Finally jump in 64bit mode */
-        ljmp    *(wakeup_long64_vector - wakeup_code)(%esi)
-
-        .balign 4
-wakeup_long64_vector:
-        .long   wakeup_long64 - wakeup_code
-        .word   __KERNEL_CS, 0
 
 .code64
-
-        /* Hooray, we are in Long 64-bit mode (but still running in
-         * low memory)
-         */
-wakeup_long64:
         /*
-         * We must switch to a new descriptor in kernel space for the GDT
-         * because soon the kernel won't have access anymore to the userspace
-         * addresses where we're currently running on. We have to do that here
-         * because in 32bit we couldn't load a 64bit linear address.
+         * Hooray, we are in Long 64-bit mode (but still running in low memory)
          */
-        lgdt    cpu_gdt_descr
-
-        movq    saved_magic, %rax
-        movq    $0x123456789abcdef0, %rdx
-        cmpq    %rdx, %rax
-        jne     bogus_64_magic
+ENTRY(wakeup_long64)
+wakeup_long64:
+        movq    saved_magic, %rax
+        movq    $0x123456789abcdef0, %rdx
+        cmpq    %rdx, %rax
+        jne     bogus_64_magic
 
-        nop
-        nop
         movw    $__KERNEL_DS, %ax
         movw    %ax, %ss        
         movw    %ax, %ds
@@ -208,130 +35,8 @@ wakeup_long64:
         movq    saved_rip, %rax
         jmp     *%rax
 
-.code32
-
-        .align  64      
-gdta:
-        /* Its good to keep gdt in sync with one in trampoline.S */
-        .word   0, 0, 0, 0                      # dummy
-        /* ??? Why I need the accessed bit set in order for this to work? */
-        .quad   0x00cf9b000000ffff              # __KERNEL32_CS
-        .quad   0x00af9b000000ffff              # __KERNEL_CS
-        .quad   0x00cf93000000ffff              # __KERNEL_DS
-
-idt_48a:
-        .word   0                               # idt limit = 0
-        .word   0, 0                            # idt base = 0L
-
-gdt_48a:
-        .word   0x800                           # gdt limit=2048,
-                                                #  256 GDT entries
-        .long   gdta - wakeup_code              # gdt base (relocated in later)
-        
-real_magic:     .quad 0
-video_mode:     .quad 0
-realmode_flags: .quad 0
-
-.code16
-bogus_real_magic:
-        jmp bogus_real_magic
-
-.code64
 bogus_64_magic:
-        jmp bogus_64_magic
-
-/* This code uses an extended set of video mode numbers. These include:
- * Aliases for standard modes
- *      NORMAL_VGA (-1)
- *      EXTENDED_VGA (-2)
- *      ASK_VGA (-3)
- * Video modes numbered by menu position -- NOT RECOMMENDED because of lack
- * of compatibility when extending the table. These are between 0x00 and 0xff.
- */
-#define VIDEO_FIRST_MENU 0x0000
-
-/* Standard BIOS video modes (BIOS number + 0x0100) */
-#define VIDEO_FIRST_BIOS 0x0100
-
-/* VESA BIOS video modes (VESA number + 0x0200) */
-#define VIDEO_FIRST_VESA 0x0200
-
-/* Video7 special modes (BIOS number + 0x0900) */
-#define VIDEO_FIRST_V7 0x0900
-
-# Setting of user mode (AX=mode ID) => CF=success
-
-# For now, we only handle VESA modes (0x0200..0x03ff).  To handle other
-# modes, we should probably compile in the video code from the boot
-# directory.
-.code16
-mode_set:
-        movw    %ax, %bx
-        subb    $VIDEO_FIRST_VESA>>8, %bh
-        cmpb    $2, %bh
-        jb      check_vesa
-
-setbad:
-        clc
-        ret
-
-check_vesa:
-        orw     $0x4000, %bx                    # Use linear frame buffer
-        movw    $0x4f02, %ax                    # VESA BIOS mode set call
-        int     $0x10
-        cmpw    $0x004f, %ax                    # AL=4f if implemented
-        jnz     setbad                          # AH=0 if OK
-
-        stc
-        ret
-
-wakeup_stack_begin:     # Stack grows down
-
-.org    0xff0
-wakeup_stack:           # Just below end of page
-
-.org   0x1000
-ENTRY(wakeup_level4_pgt)
-        .quad   level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE
-        .fill   510,8,0
-        /* (2^48-(2*1024*1024*1024))/(2^39) = 511 */
-        .quad   level3_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE
-
-ENTRY(wakeup_end)
-        
-##
-# acpi_copy_wakeup_routine
-#
-# Copy the above routine to low memory.
-#
-# Parameters:
-# %rdi: place to copy wakeup routine to
-#
-# Returned address is location of code in low memory (past data and stack)
-#
-        .code64
-ENTRY(acpi_copy_wakeup_routine)
-        pushq   %rax
-        pushq   %rdx
-
-        movl    saved_video_mode, %edx
-        movl    %edx, video_mode - wakeup_start (,%rdi)
-        movl    acpi_realmode_flags, %edx
-        movl    %edx, realmode_flags - wakeup_start (,%rdi)
-        movq    $0x12345678, real_magic - wakeup_start (,%rdi)
-        movq    $0x123456789abcdef0, %rdx
-        movq    %rdx, saved_magic
-
-        movq    saved_magic, %rax
-        movq    $0x123456789abcdef0, %rdx
-        cmpq    %rdx, %rax
-        jne     bogus_64_magic
-
-        # restore the regs we used
-        popq    %rdx
-        popq    %rax
-ENTRY(do_suspend_lowlevel_s4bios)
-        ret
+        jmp     bogus_64_magic
 
         .align 2
         .p2align 4,,15
@@ -414,7 +119,7 @@ do_suspend_lowlevel:
         jmp     restore_processor_state
 .LFE5:
 .Lfe5:
-        .size   do_suspend_lowlevel,.Lfe5-do_suspend_lowlevel
+        .size   do_suspend_lowlevel, .Lfe5-do_suspend_lowlevel
         
 .data
 ALIGN
diff --git a/arch/x86/kernel/acpi/wakeup_rm.S b/arch/x86/kernel/acpi/wakeup_rm.S
new file mode 100644
index 000000000000..6ff3b5730575
--- /dev/null
+++ b/arch/x86/kernel/acpi/wakeup_rm.S
@@ -0,0 +1,10 @@
+/*
+ * Wrapper script for the realmode binary as a transport object
+ * before copying to low memory.
+ */
+        .section ".rodata","a"
+        .globl  wakeup_code_start, wakeup_code_end
+wakeup_code_start:
+        .incbin "arch/x86/kernel/acpi/realmode/wakeup.bin"
+wakeup_code_end:
+        .size   wakeup_code_start, .-wakeup_code_start
diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c
index a720f3d5ed9d..7f6c0c85c8f6 100644
--- a/arch/x86/kernel/e820_64.c
+++ b/arch/x86/kernel/e820_64.c
@@ -27,6 +27,7 @@
 #include <asm/setup.h>
 #include <asm/sections.h>
 #include <asm/kdebug.h>
+#include <asm/trampoline.h>
 
 struct e820map e820;
 
@@ -58,8 +59,8 @@ struct early_res {
 };
 static struct early_res early_res[MAX_EARLY_RES] __initdata = {
         { 0, PAGE_SIZE, "BIOS data page" },                     /* BIOS data page */
-#ifdef CONFIG_SMP
-        { SMP_TRAMPOLINE_BASE, SMP_TRAMPOLINE_BASE + 2*PAGE_SIZE, "SMP_TRAMPOLINE" },
+#ifdef CONFIG_X86_TRAMPOLINE
+        { TRAMPOLINE_BASE, TRAMPOLINE_BASE + 2 * PAGE_SIZE, "TRAMPOLINE" },
 #endif
         {}
 };
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index c1d7a877d814..10a1955bb1d1 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -132,10 +132,6 @@ ident_complete:
         addq    %rbp, trampoline_level4_pgt + 0(%rip)
         addq    %rbp, trampoline_level4_pgt + (511*8)(%rip)
 #endif
-#ifdef CONFIG_ACPI_SLEEP
-        addq    %rbp, wakeup_level4_pgt + 0(%rip)
-        addq    %rbp, wakeup_level4_pgt + (511*8)(%rip)
-#endif
 
         /* Due to ENTRY(), sometimes the empty space gets filled with
          * zeros. Better take a jmp than relying on empty space being
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c
index 4b198d9d0de3..5b0bffb7fcc9 100644
--- a/arch/x86/kernel/setup_32.c
+++ b/arch/x86/kernel/setup_32.c
@@ -192,7 +192,7 @@ EXPORT_SYMBOL(ist_info);
 extern void early_cpu_init(void);
 extern int root_mountflags;
 
-unsigned long saved_videomode;
+unsigned long saved_video_mode;
 
 #define RAMDISK_IMAGE_START_MASK        0x07FF
 #define RAMDISK_PROMPT_FLAG             0x8000
@@ -763,7 +763,7 @@ void __init setup_arch(char **cmdline_p)
         edid_info = boot_params.edid_info;
         apm_info.bios = boot_params.apm_bios_info;
         ist_info = boot_params.ist_info;
-        saved_videomode = boot_params.hdr.vid_mode;
+        saved_video_mode = boot_params.hdr.vid_mode;
         if( boot_params.sys_desc_table.length != 0 ) {
                 set_mca_bus(boot_params.sys_desc_table.table[3] & 0x2);
                 machine_id = boot_params.sys_desc_table.table[0];
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index b80300710c08..674ef3510cdf 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -65,6 +65,7 @@
 #include <asm/mce.h>
 #include <asm/ds.h>
 #include <asm/topology.h>
+#include <asm/trampoline.h>
 
 #include <mach_apic.h>
 #ifdef CONFIG_PARAVIRT
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index ca3929b16049..424600e671bd 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -53,6 +53,7 @@
 #include <asm/nmi.h>
 #include <asm/irq.h>
 #include <asm/smp.h>
+#include <asm/trampoline.h>
 #include <asm/cpu.h>
 #include <asm/numa.h>
 #include <asm/pgtable.h>
@@ -140,7 +141,7 @@ static atomic_t init_deasserted;
 static int boot_cpu_logical_apicid;
 
 /* ready for x86_64, no harm for x86, since it will overwrite after alloc */
-unsigned char *trampoline_base = __va(SMP_TRAMPOLINE_BASE);
+unsigned char *trampoline_base = __va(TRAMPOLINE_BASE);
 
 /* representing cpus for which sibling maps can be computed */
 static cpumask_t cpu_sibling_setup_map;
@@ -554,8 +555,7 @@ cpumask_t cpu_coregroup_map(int cpu)
  * bootstrap into the page concerned. The caller
  * has made sure it's suitably aligned.
  */
-
-unsigned long __cpuinit setup_trampoline(void)
+unsigned long setup_trampoline(void)
 {
         memcpy(trampoline_base, trampoline_data,
                trampoline_end - trampoline_data);
diff --git a/arch/x86/kernel/trampoline_64.S b/arch/x86/kernel/trampoline_64.S
index 2a07e67d6697..894293c598db 100644
--- a/arch/x86/kernel/trampoline_64.S
+++ b/arch/x86/kernel/trampoline_64.S
@@ -30,12 +30,7 @@
 #include <asm/msr.h>
 #include <asm/segment.h>
 
-/* We can free up trampoline after bootup if cpu hotplug is not supported. */
-#ifndef CONFIG_HOTPLUG_CPU
-.section .cpuinit.data, "aw", @progbits
-#else
 .section .rodata, "a", @progbits
-#endif
 
 .code16
 
diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c
index 4397235c2e30..be7235bf105d 100644
--- a/arch/x86/mach-voyager/voyager_smp.c
+++ b/arch/x86/mach-voyager/voyager_smp.c
@@ -27,6 +27,7 @@
 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
 #include <asm/arch_hooks.h>
+#include <asm/trampoline.h>
 
 /* TLB state -- visible externally, indexed physically */
 DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = { &init_mm, 0 };