Index: arch/mips32/Makefile.inc
===================================================================
--- arch/mips32/Makefile.inc	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/Makefile.inc	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,39 @@
+#
+# 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.
+#
+
+build: image.boot
+
+image.boot: kernel uspace
+	make -C arch/$(ARCH)/loader COMPILER=$(COMPILER) KERNEL=../../../$(KERNELDIR)/kernel.bin
+	cp arch/$(ARCH)/loader/image.boot image.boot
+
+clean: clean_kernel clean_uspace
+	make -C arch/$(ARCH)/loader clean
+	-rm -f image.boot
+
+arch_distclean: distclean_kernel distclean_uspace
Index: arch/mips32/loader/Makefile
===================================================================
--- arch/mips32/loader/Makefile	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/loader/Makefile	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,83 @@
+#
+# Copyright (C) 2006 Martin Decky
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# - Redistributions of source code must retain the above copyright
+#   notice, this list of conditions and the following disclaimer.
+# - Redistributions in binary form must reproduce the above copyright
+#   notice, this list of conditions and the following disclaimer in the
+#   documentation and/or other materials provided with the distribution.
+# - The name of the author may not be used to endorse or promote products
+#   derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+## Toolchain configuration
+#
+
+TARGET = mipsel-linux-gnu
+TOOLCHAIN_DIR = /usr/local/mipsel/bin
+
+ifeq ($(COMPILER),native)
+	CC = gcc
+	AS = as
+	LD = ld
+	OBJCOPY = objcopy
+	OBJDUMP = objdump
+else
+	CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc
+	AS = $(TOOLCHAIN_DIR)/$(TARGET)-as
+	LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld
+	OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy
+	OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump
+endif
+
+CFLAGS = -nostdinc -nostdlib -fno-builtin -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -mno-abicalls -G 0 -fno-zero-initialized-in-bss -mhard-float -mips3
+DEFS = 
+
+SOURCES = \
+	main.c \
+	printf.c \
+	msim.c \
+	asm.S \
+	boot.S
+
+OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
+
+.PHONY: all clean depend
+
+all: image.boot
+
+-include Makefile.depend
+
+image.boot: depend $(OBJECTS) kernel.o
+	$(LD) -no-check-sections -N -T _link.ld $(OBJECTS) kernel.o -o $@
+
+depend:
+	-makedepend $(DEFS) $(CFLAGS) -f - $(SOURCES) > Makefile.depend 2> /dev/null
+
+clean:
+	-rm -f $(OBJECTS) image.boot kernel.o Makefile.depend
+
+kernel.o: $(KERNEL)
+	$(OBJCOPY) -I binary -O elf32-tradlittlemips -B mips $(KERNEL) $@
+
+%.o: %.S
+	$(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@
+
+%.o: %.c
+	$(CC) $(DEFS) $(CFLAGS) -c $< -o $@
Index: arch/mips32/loader/_link.ld
===================================================================
--- arch/mips32/loader/_link.ld	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/loader/_link.ld	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,24 @@
+/*
+ *  MIPS linker script
+ *
+ */
+
+OUTPUT_FORMAT(binary)
+ENTRY(start)
+
+SECTIONS {
+	.image 0xbfc00000: AT (0) { 
+		*(BOOTSTRAP)
+		*(.text);
+		
+		*(.rodata);
+		*(.rodata.*);
+		*(.data);		/* initialized data */
+		*(.sdata);
+		*(.sdata2);
+		*(.sbss);
+		*(.bss);		/* uninitialized static variables */	
+		*(COMMON); 		/* global variables */
+		*(.reginfo);
+	}
+}
Index: arch/mips32/loader/asm.S
===================================================================
--- arch/mips32/loader/asm.S	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/loader/asm.S	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,47 @@
+#
+# 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 "regname.h"
+
+.set noat
+.set noreorder
+.set nomacro
+
+.text
+
+.global halt
+.global jump_to_kernel
+
+halt:
+	b halt
+	nop
+
+jump_to_kernel:
+#	.word 0x39
+	j $a0
+	nop
Index: arch/mips32/loader/asm.h
===================================================================
--- arch/mips32/loader/asm.h	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/loader/asm.h	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,34 @@
+/*
+ * 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.
+ */
+
+#ifndef __ASM_H__
+#define __ASM_H__
+
+void jump_to_kernel(void *code) __attribute__((noreturn));
+
+#endif
Index: arch/mips32/loader/boot.S
===================================================================
--- arch/mips32/loader/boot.S	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/loader/boot.S	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,45 @@
+#
+# 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 "regname.h"
+
+#define INITIAL_STACK 0x10000
+
+.set noat
+.set noreorder
+.set nomacro
+
+.section BOOTSTRAP
+
+.global start
+start:
+	lui $sp, INITIAL_STACK >> 16
+    ori $sp, $sp, INITIAL_STACK & 0xffff	
+
+	j bootstrap
+	nop
Index: arch/mips32/loader/main.c
===================================================================
--- arch/mips32/loader/main.c	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/loader/main.c	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2005 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 "main.h" 
+#include "printf.h"
+#include "msim.h"
+#include "asm.h"
+
+#define KERNEL_VIRTUAL_ADDRESS 0x80100000
+#define KERNEL_START &_binary_____________kernel_kernel_bin_start
+#define KERNEL_END &_binary_____________kernel_kernel_bin_end
+#define KERNEL_SIZE ((unsigned int) KERNEL_END - (unsigned int) KERNEL_START)
+
+void bootstrap(void)
+{
+	printf("HelenOS MIPS Bootloader\n");
+	printf("loaded at %L\n", &start);
+	printf("kernel memory at %L (size %d bytes)\n", KERNEL_VIRTUAL_ADDRESS, KERNEL_SIZE);
+	
+	// TODO: implement memcpy
+	int i;
+	for (i = 0; i < KERNEL_SIZE; i++) {
+		if (i % 4096 == 0)
+			printf(".");
+		((char *) KERNEL_VIRTUAL_ADDRESS)[i] = ((char *) KERNEL_START)[i];
+	}
+	
+	printf("\nBooting the kernel...\n");
+	
+	jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS);
+}
Index: arch/mips32/loader/main.h
===================================================================
--- arch/mips32/loader/main.h	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/loader/main.h	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2005 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.
+ */
+
+#ifndef __MAIN_H__
+#define __MAIN_H__
+
+extern int _binary_____________kernel_kernel_bin_start;
+extern int _binary_____________kernel_kernel_bin_end;
+extern void start(void);
+extern void bootstrap(void);
+
+#endif
Index: arch/mips32/loader/msim.c
===================================================================
--- arch/mips32/loader/msim.c	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/loader/msim.c	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,42 @@
+/*
+ * 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 "msim.h"
+#include "printf.h"
+
+
+#define MSIM_VIDEORAM            0xB0000000
+
+
+void write(const char *str, const int len)
+{
+	int i;
+	
+	for (i = 0; i < len; i++)
+		*((char *) MSIM_VIDEORAM) = str[i];
+}
Index: arch/mips32/loader/msim.h
===================================================================
--- arch/mips32/loader/msim.h	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/loader/msim.h	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,48 @@
+/*
+ * 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.
+ */
+
+#ifndef __MSIM_H__
+#define __MSIM_H__
+
+#define NULL 0
+#define false 0
+#define true 1
+
+typedef __builtin_va_list va_list;
+
+#define va_start(ap, last) 		__builtin_va_start(ap, last)
+#define va_arg(ap, type) 		__builtin_va_arg(ap, type)
+#define va_end(ap)			__builtin_va_end(ap)
+
+extern void init(void);
+extern void halt(void);
+
+extern void write(const char *str, const int len);
+extern void *translate(void *addr);
+
+#endif
Index: arch/mips32/loader/printf.c
===================================================================
--- arch/mips32/loader/printf.c	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/loader/printf.c	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,241 @@
+/*
+ * 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 "printf.h"
+#include "msim.h"
+
+static char digits[] = "0123456789abcdef";  /**< Hexadecimal characters */
+
+
+void puts(const char *str)
+{
+	int len = 0;
+	
+	while (str[len] != 0)
+		len++;
+	
+	write(str, len);
+}
+
+
+/** Print hexadecimal digits
+ *
+ * Print fixed count of hexadecimal digits from
+ * the number num. The digits are printed in
+ * natural left-to-right order starting with
+ * the width-th digit.
+ *
+ * @param num   Number containing digits.
+ * @param width Count of digits to print.
+ *
+ */
+static void print_fixed_hex(const __u64 num, const int width)
+{
+	int i;
+    
+	for (i = width * 8 - 4; i >= 0; i -= 4)
+	    write(digits + ((num >> i) & 0xf), 1);
+}
+
+
+/** Print number in given base
+ *
+ * Print significant digits of a number in given
+ * base.
+ *
+ * @param num  Number to print.
+ * @param base Base to print the number in (should
+ *             be in range 2 .. 16).
+ *
+ */
+static void print_number(const __native num, const unsigned int base)
+{
+	int val = num;
+	char d[sizeof(__native) * 8 + 1];		/* this is good enough even for base == 2 */
+	int i = sizeof(__native) * 8 - 1;
+	
+	do {
+		d[i--] = digits[val % base];
+	} while (val /= base);
+	
+	d[sizeof(__native) * 8] = 0;	
+	puts(&d[i + 1]);
+}
+
+
+/** General formatted text print
+ *
+ * Print text formatted according the fmt parameter
+ * and variant arguments. Each formatting directive
+ * begins with \% (percentage) character and one of the
+ * following character:
+ *
+ * \%    Prints the percentage character.
+ *
+ * s    The next variant argument is treated as char*
+ *      and printed as a NULL terminated string.
+ *
+ * c    The next variant argument is treated as a single char.
+ *
+ * p    The next variant argument is treated as a maximum
+ *      bit-width integer with respect to architecture
+ *      and printed in full hexadecimal width.
+ *
+ * P    As with 'p', but '0x' is prefixed.
+ *
+ * q    The next variant argument is treated as a 64b integer
+ *      and printed in full hexadecimal width.
+ *
+ * Q    As with 'q', but '0x' is prefixed.
+ *
+ * l    The next variant argument is treated as a 32b integer
+ *      and printed in full hexadecimal width.
+ *
+ * L    As with 'l', but '0x' is prefixed.
+ *
+ * w    The next variant argument is treated as a 16b integer
+ *      and printed in full hexadecimal width.
+ *
+ * W    As with 'w', but '0x' is prefixed.
+ *
+ * b    The next variant argument is treated as a 8b integer
+ *      and printed in full hexadecimal width.
+ *
+ * B    As with 'b', but '0x' is prefixed.
+ *
+ * d    The next variant argument is treated as integer
+ *      and printed in standard decimal format (only significant
+ *      digits).
+ *
+ * x    The next variant argument is treated as integer
+ *      and printed in standard hexadecimal format (only significant
+ *      digits).
+ *
+ * X    As with 'x', but '0x' is prefixed.
+ *
+ * All other characters from fmt except the formatting directives
+ * are printed in verbatim.
+ *
+ * @param fmt Formatting NULL terminated string.
+ */
+void printf(const char *fmt, ...)
+{
+	int i = 0;
+	va_list ap;
+	char c;	
+	
+	va_start(ap, fmt);
+	
+	while ((c = fmt[i++])) {
+		switch (c) {
+			
+			/* control character */
+			case '%':
+				
+				switch (c = fmt[i++]) {
+					
+					/* percentile itself */
+					case '%':
+						break;
+					
+					/*
+					 * String and character conversions.
+					 */
+					case 's':
+						puts(va_arg(ap, char_ptr));
+						goto loop;
+					
+					case 'c':
+						c = (char) va_arg(ap, int);
+						break;
+					
+					/*
+					 * Hexadecimal conversions with fixed width.
+					 */
+					case 'P': 
+						puts("0x");
+					case 'p':
+						print_fixed_hex(va_arg(ap, __native), sizeof(__native));
+						goto loop;
+					
+					case 'Q':
+						puts("0x");
+					case 'q':
+						print_fixed_hex(va_arg(ap, __u64), INT64);
+						goto loop;
+					
+					case 'L': 
+						puts("0x");
+					case 'l':
+						print_fixed_hex(va_arg(ap, __native), INT32);
+						goto loop;
+					
+					case 'W':
+						puts("0x");
+					case 'w':
+						print_fixed_hex(va_arg(ap, __native), INT16);
+						goto loop;
+					
+					case 'B':
+						puts("0x");
+					case 'b':
+						print_fixed_hex(va_arg(ap, __native), INT8);
+						goto loop;
+					
+					/*
+					 * Decimal and hexadecimal conversions.
+					 */
+					case 'd':
+						print_number(va_arg(ap, __native), 10);
+						goto loop;
+					
+					case 'X':
+						puts("0x");
+					case 'x':
+						print_number(va_arg(ap, __native), 16);
+						goto loop;
+					
+					/*
+					 * Bad formatting.
+					 */
+					default:
+						goto out;
+			}
+			
+			default:
+				write(&c, 1);
+		}
+	
+loop:
+		;
+	}
+	
+out:
+	
+	va_end(ap);
+}
Index: arch/mips32/loader/printf.h
===================================================================
--- arch/mips32/loader/printf.h	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/loader/printf.h	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,52 @@
+/*
+ * 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.
+ */
+
+#ifndef __PRINTF_H__
+#define __PRINTF_H__
+
+#define INT8	1
+#define INT16	2
+#define INT32	4
+#define INT64	8
+
+typedef signed char __s8;
+
+typedef unsigned char __u8;
+typedef unsigned short __u16;
+typedef unsigned long __u32;
+typedef long long __u64;
+
+typedef __u32 __address;
+typedef __u32 __native;
+
+typedef char *char_ptr;
+
+void puts(const char *str);
+void printf(const char *fmt, ...);
+
+#endif
Index: arch/mips32/loader/regname.h
===================================================================
--- arch/mips32/loader/regname.h	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
+++ arch/mips32/loader/regname.h	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2005 Ondrej Palkovsky
+ * 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.
+ */
+
+#ifndef __mips32_REGNAME_H_
+#define __mips32_REGNAME_H_
+
+#define zero    0
+#define at      1
+#define v0      2
+#define v1      3
+#define a0      4
+#define a1      5
+#define a2      6
+#define a3      7
+#define t0      8
+#define t1      9
+#define t2      10
+#define t3      11
+#define t4      12
+#define t5      13
+#define t6      14
+#define t7      15
+#define s0      16
+#define s1      17
+#define s2      18
+#define s3      19
+#define s4      20
+#define s5      21
+#define s6      22
+#define s7      23
+#define t8      24
+#define t9      25
+#define k0      26
+#define k1      27
+#define gp      28
+#define sp      29
+#define s8      30
+#define ra      31
+
+#define rindex		0
+#define rrandom		1
+#define entrylo0	2
+#define entrylo1	3
+#define context		4
+#define pagemask	5
+#define wired		6
+#define badvaddr	8
+#define count		9
+#define entryhi		10
+#define compare		11
+#define status		12
+#define cause		13
+#define epc		14
+#define rconfig		16
+#define lladdr		17
+#define watchlo		18
+#define watchhi		19
+#define xcontext	20
+#define rdebug		23
+#define depc		24
+#define eepc		30
+
+
+#endif /* _REGNAME_H_ */
Index: boot.config
===================================================================
--- boot.config	(revision 4ef1ee83abec88ba5eccd699b7fc7000bbe3b901)
+++ boot.config	(revision 032a9b3b68a7bf038e2293725598f993e1115202)
@@ -6,4 +6,5 @@
 @ "ia64" Intel IA-64
 @ "sparc64" Sun UltraSPARC
+@ "mips32" MIPS 32-bit
 @ "ppc32" PowerPC 32-bit
 ! ARCH (choice)
@@ -14,2 +15,8 @@
 ! [ARCH=ppc32] PPC32_COMPILER (choice)
 % [ARCH=ppc32] SAVEAS PPC32_COMPILER COMPILER
+
+# MIPS32 Compiler
+@ "cross" Cross-compiler
+@ "native" Native
+! [ARCH=mips32] MIPS32_COMPILER (choice)
+% [ARCH=mips32] SAVEAS MIPS32_COMPILER COMPILER