svn_rev_015

move lib_arm to arch/arm/lib

11 files changed, 1340 insertions, 0 deletions

diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
new file mode 100644
index 0000000000..c13a126704
--- /dev/null
+++ b/arch/arm/lib/Makefile
@@ -0,0 +1,10 @@
+obj-y	+= armlinux.o
+obj-y	+= _ashldi3.o
+obj-y	+= _ashrdi3.o
+obj-y	+= board.o
+obj-y	+= cache.o
+obj-y	+= div0.o
+obj-y	+= _divsi3.o
+obj-y	+= _modsi3.o
+obj-y	+= _udivsi3.o
+obj-y	+= _umodsi3.o
diff --git a/arch/arm/lib/_ashldi3.S b/arch/arm/lib/_ashldi3.S
new file mode 100644
index 0000000000..de4403d632
--- /dev/null
+++ b/arch/arm/lib/_ashldi3.S
@@ -0,0 +1,46 @@
+/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005
+   Free Software Foundation, Inc.
+
+This file is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+This file is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+
+#ifdef __ARMEB__
+#define al r1
+#define ah r0
+#else
+#define al r0
+#define ah r1
+#endif
+
+.globl __ashldi3
+__ashldi3:
+
+	subs	r3, r2, #32
+	rsb	ip, r2, #32
+	movmi	ah, ah, lsl r2
+	movpl	ah, al, lsl r3
+	orrmi	ah, ah, al, lsr ip
+	mov	al, al, lsl r2
+	mov	pc, lr
diff --git a/arch/arm/lib/_ashrdi3.S b/arch/arm/lib/_ashrdi3.S
new file mode 100644
index 0000000000..5edbcb3ae7
--- /dev/null
+++ b/arch/arm/lib/_ashrdi3.S
@@ -0,0 +1,46 @@
+/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005
+   Free Software Foundation, Inc.
+
+This file is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+This file is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
+
+
+#ifdef __ARMEB__
+#define al r1
+#define ah r0
+#else
+#define al r0
+#define ah r1
+#endif
+
+.globl __ashrdi3
+__ashrdi3:
+
+	subs	r3, r2, #32
+	rsb	ip, r2, #32
+	movmi	al, al, lsr r2
+	movpl	al, ah, asr r3
+	orrmi	al, al, ah, lsl ip
+	mov	ah, ah, asr r2
+	mov	pc, lr
diff --git a/arch/arm/lib/_divsi3.S b/arch/arm/lib/_divsi3.S
new file mode 100644
index 0000000000..9dc15f6d6b
--- /dev/null
+++ b/arch/arm/lib/_divsi3.S
@@ -0,0 +1,140 @@
+
+.macro ARM_DIV_BODY dividend, divisor, result, curbit
+
+#if __LINUX_ARM_ARCH__ >= 5
+
+	clz	\curbit, \divisor
+	clz	\result, \dividend
+	sub	\result, \curbit, \result
+	mov	\curbit, #1
+	mov	\divisor, \divisor, lsl \result
+	mov	\curbit, \curbit, lsl \result
+	mov	\result, #0
+
+#else
+
+	@ Initially shift the divisor left 3 bits if possible,
+	@ set curbit accordingly.  This allows for curbit to be located
+	@ at the left end of each 4 bit nibbles in the division loop
+	@ to save one loop in most cases.
+	tst	\divisor, #0xe0000000
+	moveq	\divisor, \divisor, lsl #3
+	moveq	\curbit, #8
+	movne	\curbit, #1
+
+	@ Unless the divisor is very big, shift it up in multiples of
+	@ four bits, since this is the amount of unwinding in the main
+	@ division loop.  Continue shifting until the divisor is
+	@ larger than the dividend.
+1:	cmp	\divisor, #0x10000000
+	cmplo	\divisor, \dividend
+	movlo	\divisor, \divisor, lsl #4
+	movlo	\curbit, \curbit, lsl #4
+	blo	1b
+
+	@ For very big divisors, we must shift it a bit at a time, or
+	@ we will be in danger of overflowing.
+1:	cmp	\divisor, #0x80000000
+	cmplo	\divisor, \dividend
+	movlo	\divisor, \divisor, lsl #1
+	movlo	\curbit, \curbit, lsl #1
+	blo	1b
+
+	mov	\result, #0
+
+#endif
+
+	@ Division loop
+1:	cmp	\dividend, \divisor
+	subhs	\dividend, \dividend, \divisor
+	orrhs	\result,   \result,   \curbit
+	cmp	\dividend, \divisor,  lsr #1
+	subhs	\dividend, \dividend, \divisor, lsr #1
+	orrhs	\result,   \result,   \curbit,  lsr #1
+	cmp	\dividend, \divisor,  lsr #2
+	subhs	\dividend, \dividend, \divisor, lsr #2
+	orrhs	\result,   \result,   \curbit,  lsr #2
+	cmp	\dividend, \divisor,  lsr #3
+	subhs	\dividend, \dividend, \divisor, lsr #3
+	orrhs	\result,   \result,   \curbit,  lsr #3
+	cmp	\dividend, #0			@ Early termination?
+	movnes	\curbit,   \curbit,  lsr #4	@ No, any more bits to do?
+	movne	\divisor,  \divisor, lsr #4
+	bne	1b
+
+.endm
+
+.macro ARM_DIV2_ORDER divisor, order
+
+#if __LINUX_ARM_ARCH__ >= 5
+
+	clz	\order, \divisor
+	rsb	\order, \order, #31
+
+#else
+
+	cmp	\divisor, #(1 << 16)
+	movhs	\divisor, \divisor, lsr #16
+	movhs	\order, #16
+	movlo	\order, #0
+
+	cmp	\divisor, #(1 << 8)
+	movhs	\divisor, \divisor, lsr #8
+	addhs	\order, \order, #8
+
+	cmp	\divisor, #(1 << 4)
+	movhs	\divisor, \divisor, lsr #4
+	addhs	\order, \order, #4
+
+	cmp	\divisor, #(1 << 2)
+	addhi	\order, \order, #3
+	addls	\order, \order, \divisor, lsr #1
+
+#endif
+
+.endm
+
+	.align	5
+.globl __divsi3
+__divsi3:
+	cmp	r1, #0
+	eor	ip, r0, r1			@ save the sign of the result.
+	beq	Ldiv0
+	rsbmi	r1, r1, #0			@ loops below use unsigned.
+	subs	r2, r1, #1			@ division by 1 or -1 ?
+	beq	10f
+	movs	r3, r0
+	rsbmi	r3, r0, #0			@ positive dividend value
+	cmp	r3, r1
+	bls	11f
+	tst	r1, r2				@ divisor is power of 2 ?
+	beq	12f
+
+	ARM_DIV_BODY r3, r1, r0, r2
+
+	cmp	ip, #0
+	rsbmi	r0, r0, #0
+	mov	pc, lr
+
+10:	teq	ip, r0				@ same sign ?
+	rsbmi	r0, r0, #0
+	mov	pc, lr
+
+11:	movlo	r0, #0
+	moveq	r0, ip, asr #31
+	orreq	r0, r0, #1
+	mov	pc, lr
+
+12:	ARM_DIV2_ORDER r1, r2
+
+	cmp	ip, #0
+	mov	r0, r3, lsr r2
+	rsbmi	r0, r0, #0
+	mov	pc, lr
+
+Ldiv0:
+
+	str	lr, [sp, #-4]!
+	bl	__div0
+	mov	r0, #0			@ About as wrong as it could be.
+	ldr	pc, [sp], #4
diff --git a/arch/arm/lib/_modsi3.S b/arch/arm/lib/_modsi3.S
new file mode 100644
index 0000000000..539c584997
--- /dev/null
+++ b/arch/arm/lib/_modsi3.S
@@ -0,0 +1,99 @@
+
+.macro ARM_MOD_BODY dividend, divisor, order, spare
+
+#if __LINUX_ARM_ARCH__ >= 5
+
+	clz	\order, \divisor
+	clz	\spare, \dividend
+	sub	\order, \order, \spare
+	mov	\divisor, \divisor, lsl \order
+
+#else
+
+	mov	\order, #0
+
+	@ Unless the divisor is very big, shift it up in multiples of
+	@ four bits, since this is the amount of unwinding in the main
+	@ division loop.  Continue shifting until the divisor is
+	@ larger than the dividend.
+1:	cmp	\divisor, #0x10000000
+	cmplo	\divisor, \dividend
+	movlo	\divisor, \divisor, lsl #4
+	addlo	\order, \order, #4
+	blo	1b
+
+	@ For very big divisors, we must shift it a bit at a time, or
+	@ we will be in danger of overflowing.
+1:	cmp	\divisor, #0x80000000
+	cmplo	\divisor, \dividend
+	movlo	\divisor, \divisor, lsl #1
+	addlo	\order, \order, #1
+	blo	1b
+
+#endif
+
+	@ Perform all needed substractions to keep only the reminder.
+	@ Do comparisons in batch of 4 first.
+	subs	\order, \order, #3		@ yes, 3 is intended here
+	blt	2f
+
+1:	cmp	\dividend, \divisor
+	subhs	\dividend, \dividend, \divisor
+	cmp	\dividend, \divisor,  lsr #1
+	subhs	\dividend, \dividend, \divisor, lsr #1
+	cmp	\dividend, \divisor,  lsr #2
+	subhs	\dividend, \dividend, \divisor, lsr #2
+	cmp	\dividend, \divisor,  lsr #3
+	subhs	\dividend, \dividend, \divisor, lsr #3
+	cmp	\dividend, #1
+	mov	\divisor, \divisor, lsr #4
+	subges	\order, \order, #4
+	bge	1b
+
+	tst	\order, #3
+	teqne	\dividend, #0
+	beq	5f
+
+	@ Either 1, 2 or 3 comparison/substractions are left.
+2:	cmn	\order, #2
+	blt	4f
+	beq	3f
+	cmp	\dividend, \divisor
+	subhs	\dividend, \dividend, \divisor
+	mov	\divisor,  \divisor,  lsr #1
+3:	cmp	\dividend, \divisor
+	subhs	\dividend, \dividend, \divisor
+	mov	\divisor,  \divisor,  lsr #1
+4:	cmp	\dividend, \divisor
+	subhs	\dividend, \dividend, \divisor
+5:
+.endm
+
+	.align	5
+.globl __modsi3
+__modsi3:
+	cmp	r1, #0
+	beq	Ldiv0
+	rsbmi	r1, r1, #0			@ loops below use unsigned.
+	movs	ip, r0				@ preserve sign of dividend
+	rsbmi	r0, r0, #0			@ if negative make positive
+	subs	r2, r1, #1			@ compare divisor with 1
+	cmpne	r0, r1				@ compare dividend with divisor
+	moveq	r0, #0
+	tsthi	r1, r2				@ see if divisor is power of 2
+	andeq	r0, r0, r2
+	bls	10f
+
+	ARM_MOD_BODY r0, r1, r2, r3
+
+10:	cmp	ip, #0
+	rsbmi	r0, r0, #0
+	mov	pc, lr
+
+
+Ldiv0:
+
+	str	lr, [sp, #-4]!
+	bl	__div0
+	mov	r0, #0			@ About as wrong as it could be.
+	ldr	pc, [sp], #4
diff --git a/arch/arm/lib/_udivsi3.S b/arch/arm/lib/_udivsi3.S
new file mode 100644
index 0000000000..2cdcd48b49
--- /dev/null
+++ b/arch/arm/lib/_udivsi3.S
@@ -0,0 +1,77 @@
+/* # 1 "libgcc1.S" */
+@ libgcc1 routines for ARM cpu.
+@ Division routines, written by Richard Earnshaw, (rearnsha@armltd.co.uk)
+dividend	.req	r0
+divisor		.req	r1
+result		.req	r2
+curbit		.req	r3
+/* ip		.req	r12	*/
+/* sp		.req	r13	*/
+/* lr		.req	r14	*/
+/* pc		.req	r15	*/
+	.text
+	.globl	 __udivsi3
+	.type  __udivsi3       ,function
+	.align	0
+ __udivsi3      :
+	cmp	divisor, #0
+	beq	Ldiv0
+	mov	curbit, #1
+	mov	result, #0
+	cmp	dividend, divisor
+	bcc	Lgot_result
+Loop1:
+	@ Unless the divisor is very big, shift it up in multiples of
+	@ four bits, since this is the amount of unwinding in the main
+	@ division loop.  Continue shifting until the divisor is
+	@ larger than the dividend.
+	cmp	divisor, #0x10000000
+	cmpcc	divisor, dividend
+	movcc	divisor, divisor, lsl #4
+	movcc	curbit, curbit, lsl #4
+	bcc	Loop1
+Lbignum:
+	@ For very big divisors, we must shift it a bit at a time, or
+	@ we will be in danger of overflowing.
+	cmp	divisor, #0x80000000
+	cmpcc	divisor, dividend
+	movcc	divisor, divisor, lsl #1
+	movcc	curbit, curbit, lsl #1
+	bcc	Lbignum
+Loop3:
+	@ Test for possible subtractions, and note which bits
+	@ are done in the result.  On the final pass, this may subtract
+	@ too much from the dividend, but the result will be ok, since the
+	@ "bit" will have been shifted out at the bottom.
+	cmp	dividend, divisor
+	subcs	dividend, dividend, divisor
+	orrcs	result, result, curbit
+	cmp	dividend, divisor, lsr #1
+	subcs	dividend, dividend, divisor, lsr #1
+	orrcs	result, result, curbit, lsr #1
+	cmp	dividend, divisor, lsr #2
+	subcs	dividend, dividend, divisor, lsr #2
+	orrcs	result, result, curbit, lsr #2
+	cmp	dividend, divisor, lsr #3
+	subcs	dividend, dividend, divisor, lsr #3
+	orrcs	result, result, curbit, lsr #3
+	cmp	dividend, #0			@ Early termination?
+	movnes	curbit, curbit, lsr #4		@ No, any more bits to do?
+	movne	divisor, divisor, lsr #4
+	bne	Loop3
+Lgot_result:
+	mov	r0, result
+	mov 	pc, lr
+Ldiv0:
+	str	lr, [sp, #-4]!
+	bl	 __div0       (PLT)
+	mov	r0, #0			@ about as wrong as it could be
+	ldmia	sp!, {pc}
+	.size  __udivsi3       , . -  __udivsi3
+/* # 235 "libgcc1.S" */
+/* # 320 "libgcc1.S" */
+/* # 421 "libgcc1.S" */
+/* # 433 "libgcc1.S" */
+/* # 456 "libgcc1.S" */
+/* # 500 "libgcc1.S" */
+/* # 580 "libgcc1.S" */
diff --git a/arch/arm/lib/_umodsi3.S b/arch/arm/lib/_umodsi3.S
new file mode 100644
index 0000000000..e4aebe84ca
--- /dev/null
+++ b/arch/arm/lib/_umodsi3.S
@@ -0,0 +1,88 @@
+/* # 1 "libgcc1.S" */
+@ libgcc1 routines for ARM cpu.
+@ Division routines, written by Richard Earnshaw, (rearnsha@armltd.co.uk)
+/* # 145 "libgcc1.S" */
+dividend	.req	r0
+divisor		.req	r1
+overdone	.req	r2
+curbit		.req	r3
+/* ip		.req	r12	*/
+/* sp		.req	r13	*/
+/* lr		.req	r14	*/
+/* pc		.req	r15	*/
+	.text
+	.globl	 __umodsi3
+	.type  __umodsi3       ,function
+	.align 0
+ __umodsi3      :
+	cmp	divisor, #0
+	beq	Ldiv0
+	mov	curbit, #1
+	cmp	dividend, divisor
+	movcc  	pc, lr
+Loop1:
+	@ Unless the divisor is very big, shift it up in multiples of
+	@ four bits, since this is the amount of unwinding in the main
+	@ division loop.  Continue shifting until the divisor is
+	@ larger than the dividend.
+	cmp	divisor, #0x10000000
+	cmpcc	divisor, dividend
+	movcc	divisor, divisor, lsl #4
+	movcc	curbit, curbit, lsl #4
+	bcc	Loop1
+Lbignum:
+	@ For very big divisors, we must shift it a bit at a time, or
+	@ we will be in danger of overflowing.
+	cmp	divisor, #0x80000000
+	cmpcc	divisor, dividend
+	movcc	divisor, divisor, lsl #1
+	movcc	curbit, curbit, lsl #1
+	bcc	Lbignum
+Loop3:
+	@ Test for possible subtractions.  On the final pass, this may
+	@ subtract too much from the dividend, so keep track of which
+	@ subtractions are done, we can fix them up afterwards...
+	mov	overdone, #0
+	cmp	dividend, divisor
+	subcs	dividend, dividend, divisor
+	cmp	dividend, divisor, lsr #1
+	subcs	dividend, dividend, divisor, lsr #1
+	orrcs	overdone, overdone, curbit, ror #1
+	cmp	dividend, divisor, lsr #2
+	subcs	dividend, dividend, divisor, lsr #2
+	orrcs	overdone, overdone, curbit, ror #2
+	cmp	dividend, divisor, lsr #3
+	subcs	dividend, dividend, divisor, lsr #3
+	orrcs	overdone, overdone, curbit, ror #3
+	mov	ip, curbit
+	cmp	dividend, #0			@ Early termination?
+	movnes	curbit, curbit, lsr #4		@ No, any more bits to do?
+	movne	divisor, divisor, lsr #4
+	bne	Loop3
+	@ Any subtractions that we should not have done will be recorded in
+	@ the top three bits of "overdone".  Exactly which were not needed
+	@ are governed by the position of the bit, stored in ip.
+	@ If we terminated early, because dividend became zero,
+	@ then none of the below will match, since the bit in ip will not be
+	@ in the bottom nibble.
+	ands	overdone, overdone, #0xe0000000
+	moveq  	pc, lr				@ No fixups needed
+	tst	overdone, ip, ror #3
+	addne	dividend, dividend, divisor, lsr #3
+	tst	overdone, ip, ror #2
+	addne	dividend, dividend, divisor, lsr #2
+	tst	overdone, ip, ror #1
+	addne	dividend, dividend, divisor, lsr #1
+	mov 	pc, lr
+Ldiv0:
+	str	lr, [sp, #-4]!
+	bl	 __div0       (PLT)
+	mov	r0, #0			@ about as wrong as it could be
+	ldmia	sp!, {pc}
+	.size  __umodsi3       , . -  __umodsi3
+/* # 320 "libgcc1.S" */
+/* # 421 "libgcc1.S" */
+/* # 433 "libgcc1.S" */
+/* # 456 "libgcc1.S" */
+/* # 500 "libgcc1.S" */
+/* # 580 "libgcc1.S" */
diff --git a/arch/arm/lib/armlinux.c b/arch/arm/lib/armlinux.c
new file mode 100644
index 0000000000..5657541d3a
--- /dev/null
+++ b/arch/arm/lib/armlinux.c
@@ -0,0 +1,399 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * Copyright (C) 2001  Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307	 USA
+ *
+ */
+
+#include <common.h>
+#include <command.h>
+#include <image.h>
+#include <zlib.h>
+#include <asm/byteorder.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*cmd_boot.c*/
+extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
+#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
+    defined (CONFIG_CMDLINE_TAG) || \
+    defined (CONFIG_INITRD_TAG) || \
+    defined (CONFIG_SERIAL_TAG) || \
+    defined (CONFIG_REVISION_TAG) || \
+    defined (CONFIG_VFD) || \
+    defined (CONFIG_LCD)
+static void setup_start_tag (bd_t *bd);
+
+# ifdef CONFIG_SETUP_MEMORY_TAGS
+static void setup_memory_tags (bd_t *bd);
+# endif
+static void setup_commandline_tag (bd_t *bd, char *commandline);
+
+# ifdef CONFIG_INITRD_TAG
+static void setup_initrd_tag (bd_t *bd, ulong initrd_start,
+			      ulong initrd_end);
+# endif
+static void setup_end_tag (bd_t *bd);
+
+# if defined (CONFIG_VFD) || defined (CONFIG_LCD)
+static void setup_videolfb_tag (gd_t *gd);
+# endif
+
+
+static struct tag *params;
+#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */
+
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+# include <status_led.h>
+# define SHOW_BOOT_PROGRESS(arg)	show_boot_progress(arg)
+#else
+# define SHOW_BOOT_PROGRESS(arg)
+#endif
+
+extern image_header_t header;	/* from cmd_bootm.c */
+
+
+void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+		     ulong addr, ulong *len_ptr, int verify)
+{
+	ulong len = 0, checksum;
+	ulong initrd_start, initrd_end;
+	ulong data;
+	void (*theKernel)(int zero, int arch, uint params);
+	image_header_t *hdr = &header;
+	bd_t *bd = gd->bd;
+
+#ifdef CONFIG_CMDLINE_TAG
+	char *commandline = getenv ("bootargs");
+#endif
+
+	theKernel = (void (*)(int, int, uint))ntohl(hdr->ih_ep);
+
+	/*
+	 * Check if there is an initrd image
+	 */
+	if (argc >= 3) {
+		SHOW_BOOT_PROGRESS (9);
+
+		addr = simple_strtoul (argv[2], NULL, 16);
+
+		printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
+
+		/* Copy header so we can blank CRC field for re-calculation */
+		memcpy (&header, (char *) addr,
+			sizeof (image_header_t));
+
+		if (ntohl (hdr->ih_magic) != IH_MAGIC) {
+			printf ("Bad Magic Number\n");
+			SHOW_BOOT_PROGRESS (-10);
+			do_reset (cmdtp, flag, argc, argv);
+		}
+
+		data = (ulong) & header;
+		len = sizeof (image_header_t);
+
+		checksum = ntohl (hdr->ih_hcrc);
+		hdr->ih_hcrc = 0;
+
+		if (crc32 (0, (unsigned char *) data, len) != checksum) {
+			printf ("Bad Header Checksum\n");
+			SHOW_BOOT_PROGRESS (-11);
+			do_reset (cmdtp, flag, argc, argv);
+		}
+
+		SHOW_BOOT_PROGRESS (10);
+
+		print_image_hdr (hdr);
+
+		data = addr + sizeof (image_header_t);
+		len = ntohl (hdr->ih_size);
+
+		if (verify) {
+			ulong csum = 0;
+
+			printf ("   Verifying Checksum ... ");
+			csum = crc32 (0, (unsigned char *) data, len);
+			if (csum != ntohl (hdr->ih_dcrc)) {
+				printf ("Bad Data CRC\n");
+				SHOW_BOOT_PROGRESS (-12);
+				do_reset (cmdtp, flag, argc, argv);
+			}
+			printf ("OK\n");
+		}
+
+		SHOW_BOOT_PROGRESS (11);
+
+		if ((hdr->ih_os != IH_OS_LINUX) ||
+		    (hdr->ih_arch != IH_CPU_ARM) ||
+		    (hdr->ih_type != IH_TYPE_RAMDISK)) {
+			printf ("No Linux ARM Ramdisk Image\n");
+			SHOW_BOOT_PROGRESS (-13);
+			do_reset (cmdtp, flag, argc, argv);
+		}
+
+#if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO)
+		/*
+		 *we need to copy the ramdisk to SRAM to let Linux boot
+		 */
+		memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
+		data = ntohl(hdr->ih_load);
+#endif /* CONFIG_B2 || CONFIG_EVB4510 */
+
+		/*
+		 * Now check if we have a multifile image
+		 */
+	} else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
+		ulong tail = ntohl (len_ptr[0]) % 4;
+		int i;
+
+		SHOW_BOOT_PROGRESS (13);
+
+		/* skip kernel length and terminator */
+		data = (ulong) (&len_ptr[2]);
+		/* skip any additional image length fields */
+		for (i = 1; len_ptr[i]; ++i)
+			data += 4;
+		/* add kernel length, and align */
+		data += ntohl (len_ptr[0]);
+		if (tail) {
+			data += 4 - tail;
+		}
+
+		len = ntohl (len_ptr[1]);
+
+	} else {
+		/*
+		 * no initrd image
+		 */
+		SHOW_BOOT_PROGRESS (14);
+
+		len = data = 0;
+	}
+
+#ifdef	DEBUG
+	if (!data) {
+		printf ("No initrd\n");
+	}
+#endif
+
+	if (data) {
+		initrd_start = data;
+		initrd_end = initrd_start + len;
+	} else {
+		initrd_start = 0;
+		initrd_end = 0;
+	}
+
+	SHOW_BOOT_PROGRESS (15);
+
+	debug ("## Transferring control to Linux (at address %08lx) ...\n",
+	       (ulong) theKernel);
+
+#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
+    defined (CONFIG_CMDLINE_TAG) || \
+    defined (CONFIG_INITRD_TAG) || \
+    defined (CONFIG_SERIAL_TAG) || \
+    defined (CONFIG_REVISION_TAG) || \
+    defined (CONFIG_LCD) || \
+    defined (CONFIG_VFD)
+	setup_start_tag (bd);
+#ifdef CONFIG_SERIAL_TAG
+	setup_serial_tag (&params);
+#endif
+#ifdef CONFIG_REVISION_TAG
+	setup_revision_tag (&params);
+#endif
+#ifdef CONFIG_SETUP_MEMORY_TAGS
+	setup_memory_tags (bd);
+#endif
+#ifdef CONFIG_CMDLINE_TAG
+	setup_commandline_tag (bd, commandline);
+#endif
+#ifdef CONFIG_INITRD_TAG
+	if (initrd_start && initrd_end)
+		setup_initrd_tag (bd, initrd_start, initrd_end);
+#endif
+#if defined (CONFIG_VFD) || defined (CONFIG_LCD)
+	setup_videolfb_tag ((gd_t *) gd);
+#endif
+	setup_end_tag (bd);
+#endif
+
+	/* we assume that the kernel is in place */
+	printf ("\nStarting kernel ...\n\n");
+
+#ifdef CONFIG_USB_DEVICE
+	{
+		extern void udc_disconnect (void);
+		udc_disconnect ();
+	}
+#endif
+
+	cleanup_before_linux ();
+
+	theKernel (0, bd->bi_arch_number, bd->bi_boot_params);
+}
+
+
+#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
+    defined (CONFIG_CMDLINE_TAG) || \
+    defined (CONFIG_INITRD_TAG) || \
+    defined (CONFIG_SERIAL_TAG) || \
+    defined (CONFIG_REVISION_TAG) || \
+    defined (CONFIG_LCD) || \
+    defined (CONFIG_VFD)
+static void setup_start_tag (bd_t *bd)
+{
+	params = (struct tag *) bd->bi_boot_params;
+
+	params->hdr.tag = ATAG_CORE;
+	params->hdr.size = tag_size (tag_core);
+
+	params->u.core.flags = 0;
+	params->u.core.pagesize = 0;
+	params->u.core.rootdev = 0;
+
+	params = tag_next (params);
+}
+
+
+#ifdef CONFIG_SETUP_MEMORY_TAGS
+static void setup_memory_tags (bd_t *bd)
+{
+	int i;
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		params->hdr.tag = ATAG_MEM;
+		params->hdr.size = tag_size (tag_mem32);
+
+		params->u.mem.start = bd->bi_dram[i].start;
+		params->u.mem.size = bd->bi_dram[i].size;
+
+		params = tag_next (params);
+	}
+}
+#endif /* CONFIG_SETUP_MEMORY_TAGS */
+
+
+static void setup_commandline_tag (bd_t *bd, char *commandline)
+{
+	char *p;
+
+	if (!commandline)
+		return;
+
+	/* eat leading white space */
+	for (p = commandline; *p == ' '; p++);
+
+	/* skip non-existent command lines so the kernel will still
+	 * use its default command line.
+	 */
+	if (*p == '\0')
+		return;
+
+	params->hdr.tag = ATAG_CMDLINE;
+	params->hdr.size =
+		(sizeof (struct tag_header) + strlen (p) + 1 + 4) >> 2;
+
+	strcpy (params->u.cmdline.cmdline, p);
+
+	params = tag_next (params);
+}
+
+
+#ifdef CONFIG_INITRD_TAG
+static void setup_initrd_tag (bd_t *bd, ulong initrd_start, ulong initrd_end)
+{
+	/* an ATAG_INITRD node tells the kernel where the compressed
+	 * ramdisk can be found. ATAG_RDIMG is a better name, actually.
+	 */
+	params->hdr.tag = ATAG_INITRD2;
+	params->hdr.size = tag_size (tag_initrd);
+
+	params->u.initrd.start = initrd_start;
+	params->u.initrd.size = initrd_end - initrd_start;
+
+	params = tag_next (params);
+}
+#endif /* CONFIG_INITRD_TAG */
+
+
+#if defined (CONFIG_VFD) || defined (CONFIG_LCD)
+extern ulong calc_fbsize (void);
+static void setup_videolfb_tag (gd_t *gd)
+{
+	/* An ATAG_VIDEOLFB node tells the kernel where and how large
+	 * the framebuffer for video was allocated (among other things).
+	 * Note that a _physical_ address is passed !
+	 *
+	 * We only use it to pass the address and size, the other entries
+	 * in the tag_videolfb are not of interest.
+	 */
+	params->hdr.tag = ATAG_VIDEOLFB;
+	params->hdr.size = tag_size (tag_videolfb);
+
+	params->u.videolfb.lfb_base = (u32) gd->fb_base;
+	/* Fb size is calculated according to parameters for our panel
+	 */
+	params->u.videolfb.lfb_size = calc_fbsize();
+
+	params = tag_next (params);
+}
+#endif /* CONFIG_VFD || CONFIG_LCD */
+
+#ifdef CONFIG_SERIAL_TAG
+void setup_serial_tag (struct tag **tmp)
+{
+	struct tag *params = *tmp;
+	struct tag_serialnr serialnr;
+	void get_board_serial(struct tag_serialnr *serialnr);
+
+	get_board_serial(&serialnr);
+	params->hdr.tag = ATAG_SERIAL;
+	params->hdr.size = tag_size (tag_serialnr);
+	params->u.serialnr.low = serialnr.low;
+	params->u.serialnr.high= serialnr.high;
+	params = tag_next (params);
+	*tmp = params;
+}
+#endif
+
+#ifdef CONFIG_REVISION_TAG
+void setup_revision_tag(struct tag **in_params)
+{
+	u32 rev = 0;
+	u32 get_board_rev(void);
+
+	rev = get_board_rev();
+	params->hdr.tag = ATAG_REVISION;
+	params->hdr.size = tag_size (tag_revision);
+	params->u.revision.rev = rev;
+	params = tag_next (params);
+}
+#endif  /* CONFIG_REVISION_TAG */
+
+
+static void setup_end_tag (bd_t *bd)
+{
+	params->hdr.tag = ATAG_NONE;
+	params->hdr.size = 0;
+}
+
+#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
new file mode 100644
index 0000000000..9cf167b941
--- /dev/null
+++ b/arch/arm/lib/board.c
@@ -0,0 +1,369 @@
+/*
+ * (C) Copyright 2002-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * To match the U-Boot user interface on ARM platforms to the U-Boot
+ * standard (as on PPC platforms), some messages with debug character
+ * are removed from the default U-Boot build.
+ *
+ * Define DEBUG here if you want additional info as shown below
+ * printed upon startup:
+ *
+ * U-Boot code: 00F00000 -> 00F3C774  BSS: -> 00FC3274
+ * IRQ Stack: 00ebff7c
+ * FIQ Stack: 00ebef7c
+ */
+
+#include <common.h>
+#include <command.h>
+#include <malloc.h>
+#include <devices.h>
+#include <version.h>
+#include <net.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+void nand_init (void);
+#endif
+
+ulong monitor_flash_len;
+
+#ifndef CONFIG_IDENT_STRING
+#define CONFIG_IDENT_STRING ""
+#endif
+
+const char version_string[] =
+	U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")"CONFIG_IDENT_STRING;
+
+/*
+ * Begin and End of memory area for malloc(), and current "brk"
+ */
+static ulong mem_malloc_start = 0;
+static ulong mem_malloc_end = 0;
+static ulong mem_malloc_brk = 0;
+
+static
+void mem_malloc_init (ulong dest_addr)
+{
+	mem_malloc_start = dest_addr;
+	mem_malloc_end = dest_addr + CFG_MALLOC_LEN;
+	mem_malloc_brk = mem_malloc_start;
+
+	memset ((void *) mem_malloc_start, 0,
+			mem_malloc_end - mem_malloc_start);
+}
+
+void *sbrk (ptrdiff_t increment)
+{
+	ulong old = mem_malloc_brk;
+	ulong new = old + increment;
+
+	if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
+		return (NULL);
+	}
+	mem_malloc_brk = new;
+
+	return ((void *) old);
+}
+
+/************************************************************************
+ * Init Utilities							*
+ ************************************************************************
+ * Some of this code should be moved into the core functions,
+ * or dropped completely,
+ * but let's get it working (again) first...
+ */
+
+static int init_baudrate (void)
+{
+	char tmp[64];	/* long enough for environment variables */
+	int i = getenv_r ("baudrate", tmp, sizeof (tmp));
+	gd->bd->bi_baudrate = gd->baudrate = (i > 0)
+			? (int) simple_strtoul (tmp, NULL, 10)
+			: CONFIG_BAUDRATE;
+
+	return (0);
+}
+
+static int display_banner (void)
+{
+	printf ("\n\n%s\n\n", version_string);
+	debug ("U-Boot code: %08lX -> %08lX  BSS: -> %08lX\n",
+	       _armboot_start, _bss_start, _bss_end);
+#ifdef CONFIG_USE_IRQ
+	debug ("IRQ Stack: %08lx\n", IRQ_STACK_START);
+	debug ("FIQ Stack: %08lx\n", FIQ_STACK_START);
+#endif
+
+	return (0);
+}
+
+/*
+ * WARNING: this code looks "cleaner" than the PowerPC version, but
+ * has the disadvantage that you either get nothing, or everything.
+ * On PowerPC, you might see "DRAM: " before the system hangs - which
+ * gives a simple yet clear indication which part of the
+ * initialization if failing.
+ */
+static int display_dram_config (void)
+{
+	int i;
+
+#ifdef DEBUG
+	puts ("RAM Configuration:\n");
+
+	for(i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
+		printf ("Bank #%d: %08lx ", i, gd->bd->bi_dram[i].start);
+		print_size (gd->bd->bi_dram[i].size, "\n");
+	}
+#else
+	ulong size = 0;
+
+	for (i=0; i<CONFIG_NR_DRAM_BANKS; i++) {
+		size += gd->bd->bi_dram[i].size;
+	}
+	puts("DRAM:  ");
+	print_size(size, "\n");
+#endif
+
+	return (0);
+}
+
+#ifndef CFG_NO_FLASH
+static void display_flash_config (ulong size)
+{
+	puts ("Flash: ");
+	print_size (size, "\n");
+}
+#endif /* CFG_NO_FLASH */
+
+
+/*
+ * Breathe some life into the board...
+ *
+ * Initialize a serial port as console, and carry out some hardware
+ * tests.
+ *
+ * The first part of initialization is running from Flash memory;
+ * its main purpose is to initialize the RAM so that we
+ * can relocate the monitor code to RAM.
+ */
+
+/*
+ * All attempts to come up with a "common" initialization sequence
+ * that works for all boards and architectures failed: some of the
+ * requirements are just _too_ different. To get rid of the resulting
+ * mess of board dependent #ifdef'ed code we now make the whole
+ * initialization sequence configurable to the user.
+ *
+ * The requirements for any new initalization function is simple: it
+ * receives a pointer to the "global data" structure as it's only
+ * argument, and returns an integer return code, where 0 means
+ * "continue" and != 0 means "fatal error, hang the system".
+ */
+typedef int (init_fnc_t) (void);
+
+int print_cpuinfo (void); /* test-only */
+
+init_fnc_t *init_sequence[] = {
+	cpu_init,		/* basic cpu dependent setup */
+	board_init,		/* basic board dependent setup */
+	interrupt_init,		/* set up exceptions */
+	env_init,		/* initialize environment */
+	init_baudrate,		/* initialze baudrate settings */
+	serial_init,		/* serial communications setup */
+	console_init_f,		/* stage 1 init of console */
+	display_banner,		/* say that we are here */
+#if defined(CONFIG_DISPLAY_CPUINFO)
+	print_cpuinfo,		/* display cpu info (and speed) */
+#endif
+#if defined(CONFIG_DISPLAY_BOARDINFO)
+	checkboard,		/* display board info */
+#endif
+	dram_init,		/* configure available RAM banks */
+	display_dram_config,
+	NULL,
+};
+
+void start_armboot (void)
+{
+	init_fnc_t **init_fnc_ptr;
+	char *s;
+#ifndef CFG_NO_FLASH
+	ulong size;
+#endif
+#if defined(CONFIG_VFD) || defined(CONFIG_LCD)
+	unsigned long addr;
+#endif
+
+	/* Pointer is writable since we allocated a register for it */
+	gd = (gd_t*)(_armboot_start - CFG_MALLOC_LEN - sizeof(gd_t));
+	/* compiler optimization barrier needed for GCC >= 3.4 */
+	__asm__ __volatile__("": : :"memory");
+
+	memset ((void*)gd, 0, sizeof (gd_t));
+	gd->bd = (bd_t*)((char*)gd - sizeof(bd_t));
+	memset (gd->bd, 0, sizeof (bd_t));
+
+	monitor_flash_len = _bss_start - _armboot_start;
+
+	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
+		if ((*init_fnc_ptr)() != 0) {
+			hang ();
+		}
+	}
+
+#ifndef CFG_NO_FLASH
+	/* configure available FLASH banks */
+	size = flash_init ();
+	display_flash_config (size);
+#endif /* CFG_NO_FLASH */
+
+#ifdef CONFIG_VFD
+#	ifndef PAGE_SIZE
+#	  define PAGE_SIZE 4096
+#	endif
+	/*
+	 * reserve memory for VFD display (always full pages)
+	 */
+	/* bss_end is defined in the board-specific linker script */
+	addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
+	size = vfd_setmem (addr);
+	gd->fb_base = addr;
+#endif /* CONFIG_VFD */
+
+#ifdef CONFIG_LCD
+#	ifndef PAGE_SIZE
+#	  define PAGE_SIZE 4096
+#	endif
+	/*
+	 * reserve memory for LCD display (always full pages)
+	 */
+	/* bss_end is defined in the board-specific linker script */
+	addr = (_bss_end + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
+	size = lcd_setmem (addr);
+	gd->fb_base = addr;
+#endif /* CONFIG_LCD */
+
+	/* armboot_start is defined in the board-specific linker script */
+	mem_malloc_init (_armboot_start - CFG_MALLOC_LEN);
+
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+	puts ("NAND:  ");
+	nand_init();		/* go init the NAND */
+#endif
+
+	/* initialize environment */
+	env_relocate ();
+
+#ifdef CONFIG_VFD
+	/* must do this after the framebuffer is allocated */
+	drv_vfd_init();
+#endif /* CONFIG_VFD */
+
+	/* IP Address */
+	gd->bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
+
+	/* MAC Address */
+	{
+		int i;
+		ulong reg;
+		char *s, *e;
+		char tmp[64];
+
+		i = getenv_r ("ethaddr", tmp, sizeof (tmp));
+		s = (i > 0) ? tmp : NULL;
+
+		for (reg = 0; reg < 6; ++reg) {
+			gd->bd->bi_enetaddr[reg] = s ? simple_strtoul (s, &e, 16) : 0;
+			if (s)
+				s = (*e) ? e + 1 : e;
+		}
+
+#ifdef CONFIG_HAS_ETH1
+		i = getenv_r ("eth1addr", tmp, sizeof (tmp));
+		s = (i > 0) ? tmp : NULL;
+
+		for (reg = 0; reg < 6; ++reg) {
+			gd->bd->bi_enet1addr[reg] = s ? simple_strtoul (s, &e, 16) : 0;
+			if (s)
+				s = (*e) ? e + 1 : e;
+		}
+#endif
+	}
+
+	devices_init ();	/* get the devices list going. */
+
+#ifdef CONFIG_CMC_PU2
+	load_sernum_ethaddr ();
+#endif /* CONFIG_CMC_PU2 */
+
+	jumptable_init ();
+
+	console_init_r ();	/* fully init console as a device */
+
+#if defined(CONFIG_MISC_INIT_R)
+	/* miscellaneous platform dependent initialisations */
+	misc_init_r ();
+#endif
+
+	/* enable exceptions */
+	enable_interrupts ();
+
+	/* Initialize from environment */
+	if ((s = getenv ("loadaddr")) != NULL) {
+		load_addr = simple_strtoul (s, NULL, 16);
+	}
+#if (CONFIG_COMMANDS & CFG_CMD_NET)
+	if ((s = getenv ("bootfile")) != NULL) {
+		copy_filename (BootFile, s, sizeof (BootFile));
+	}
+#endif	/* CFG_CMD_NET */
+
+#ifdef BOARD_LATE_INIT
+	board_late_init ();
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_NET)
+#if defined(CONFIG_NET_MULTI)
+	puts ("Net:   ");
+#endif
+	eth_initialize(gd->bd);
+#endif
+	/* main_loop() can return to retry autoboot, if so just run it again. */
+	for (;;) {
+		main_loop ();
+	}
+
+	/* NOTREACHED - no way out of command loop except booting */
+}
+
+void hang (void)
+{
+	puts ("### ERROR ### Please RESET the board ###\n");
+	for (;;);
+}
diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c
new file mode 100644
index 0000000000..61ee9d3b13
--- /dev/null
+++ b/arch/arm/lib/cache.c
@@ -0,0 +1,36 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* for now: just dummy functions to satisfy the linker */
+
+#include <common.h>
+
+void  flush_cache (unsigned long dummy1, unsigned long dummy2)
+{
+#ifdef CONFIG_OMAP2420
+	void arm1136_cache_flush(void);
+
+	arm1136_cache_flush();
+#endif
+	return;
+}
diff --git a/arch/arm/lib/div0.c b/arch/arm/lib/div0.c
new file mode 100644
index 0000000000..6267bf16a5
--- /dev/null
+++ b/arch/arm/lib/div0.c
@@ -0,0 +1,30 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* Replacement (=dummy) for GNU/Linux division-by zero handler */
+void __div0 (void)
+{
+	extern void hang (void);
+
+	hang();
+}