Index: arch/ppc32/Makefile.inc
===================================================================
--- arch/ppc32/Makefile.inc	(revision 6463264c6b46958123756382d03683d5db2d7cb4)
+++ arch/ppc32/Makefile.inc	(revision edc89bd06235d952cbfa29940f60b97cb3bf9c02)
@@ -62,4 +62,5 @@
 	arch/$(ARCH)/src/ppc32.c \
 	arch/$(ARCH)/src/dummy.s \
+	arch/$(ARCH)/src/exception.S \
 	arch/$(ARCH)/src/asm.S \
 	arch/$(ARCH)/src/cpu/cpu.c \
Index: arch/ppc32/_link.ld.in
===================================================================
--- arch/ppc32/_link.ld.in	(revision 6463264c6b46958123756382d03683d5db2d7cb4)
+++ arch/ppc32/_link.ld.in	(revision edc89bd06235d952cbfa29940f60b97cb3bf9c02)
@@ -1,7 +1,10 @@
 /** PPC32 linker script
  *
- *  It is ELF format, but its only section looks like this:
- *  kernel text
- *  kernel data
+ * umapped section:
+ * 	kernel text
+ * 	kernel data
+ * mapped section:
+ *	kernel text
+ *	kernel data 
  *
  */
@@ -14,12 +17,22 @@
 
 SECTIONS {
-	.image PA2KA(BOOT_OFFSET): AT (0) { 
+	.unmapped 0: AT (0) {
+		unmapped_ktext_start = .;
+		*(K_UNMAPPED_TEXT_START);
+		unmapped_ktext_end = .;
+		
+		unmapped_kdata_start = .;
+		*(K_UNMAPPED_DATA_START);
+		unmapped_kdata_start = .;
+	}
+	
+	.mapped PA2KA(BOOT_OFFSET): AT (BOOT_OFFSET) { 
 		ktext_start = .;
-		*(K_TEXT_START)
+		*(K_TEXT_START);
 		*(.text);
 		ktext_end = .;
 		
 		kdata_start = .;
-		*(K_DATA_START)
+		*(K_DATA_START);
 		*(.rodata);
 		*(.rodata.*);
Index: arch/ppc32/include/asm.h
===================================================================
--- arch/ppc32/include/asm.h	(revision 6463264c6b46958123756382d03683d5db2d7cb4)
+++ arch/ppc32/include/asm.h	(revision edc89bd06235d952cbfa29940f60b97cb3bf9c02)
@@ -47,5 +47,5 @@
 		"mfmsr %0\n"
 		"mfmsr %1\n"
-//		"ori %1, %1, 1 << 15\n"
+		"ori %1, %1, 1 << 15\n"
 		"mtmsr %1\n"
 		: "=r" (v), "=r" (tmp)
Index: arch/ppc32/src/boot/boot.S
===================================================================
--- arch/ppc32/src/boot/boot.S	(revision 6463264c6b46958123756382d03683d5db2d7cb4)
+++ arch/ppc32/src/boot/boot.S	(revision edc89bd06235d952cbfa29940f60b97cb3bf9c02)
@@ -32,5 +32,5 @@
 #include <arch/boot/memmap.h>
 
-.section K_TEXT_START
+.section K_TEXT_START, "ax"
 
 .global kernel_image_start
Index: arch/ppc32/src/drivers/cuda.c
===================================================================
--- arch/ppc32/src/drivers/cuda.c	(revision 6463264c6b46958123756382d03683d5db2d7cb4)
+++ arch/ppc32/src/drivers/cuda.c	(revision edc89bd06235d952cbfa29940f60b97cb3bf9c02)
@@ -29,4 +29,6 @@
 #include <arch/drivers/cuda.h>
 #include <arch/asm.h>
+#include <console/chardev.h>
+#include <console/console.h>
 
 #define CUDA_PACKET 0x01
Index: arch/ppc32/src/exception.S
===================================================================
--- arch/ppc32/src/exception.S	(revision edc89bd06235d952cbfa29940f60b97cb3bf9c02)
+++ arch/ppc32/src/exception.S	(revision edc89bd06235d952cbfa29940f60b97cb3bf9c02)
@@ -0,0 +1,107 @@
+#
+# Copyright (C) 2006 Martin Decky
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# - Redistributions of source code must retain the above copyright
+#   notice, this list of conditions and the following disclaimer.
+# - Redistributions in binary form must reproduce the above copyright
+#   notice, this list of conditions and the following disclaimer in the
+#   documentation and/or other materials provided with the distribution.
+# - The name of the author may not be used to endorse or promote products
+#   derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+#include <arch/asm/regname.h>
+#include <arch/asm/spr.h>
+
+.section K_UNMAPPED_TEXT_START, "ax"
+
+.org 0x100
+.global exc_system_reset
+exc_system_reset:
+	b exc_system_reset
+
+.org 0x200
+.global exc_machine_check
+exc_machine_check:
+	b exc_machine_check
+
+.org 0x300
+.global exc_data_storage
+exc_data_storage:
+	b exc_data_storage
+
+.org 0x380
+.global exc_data_segment
+exc_data_segment:
+	b exc_data_segment
+
+.org 0x400
+.global exc_instruction_storage
+exc_instruction_storage:
+	b exc_instruction_storage
+
+.org 0x480
+.global exc_instruction_segment
+exc_instruction_segment:
+	b exc_instruction_segment
+
+.org 0x500
+.global exc_external
+exc_external:
+	b exc_external
+
+.org 0x600
+.global exc_alignment
+exc_alignment:
+	b exc_alignment
+
+.org 0x700
+.global exc_program
+exc_program:
+	b exc_program
+
+.org 0x800
+.global exc_fp_unavailable
+exc_fp_unavailable:
+	b exc_fp_unavailable
+
+.org 0x900
+.global exc_decrementer
+exc_decrementer:
+	b exc_decrementer
+
+.org 0xa00
+.global exc_reserved0
+exc_reserved0:
+	b exc_reserved0
+
+.org 0xb00
+.global exc_reserved1
+exc_reserved1:
+	b exc_reserved1
+
+.org 0xc00
+.global exc_syscall
+exc_syscall:
+	b exc_syscall
+
+.org 0xd00
+.global exc_trace
+exc_trace:
+	b exc_trace