Merge with 2.4.0-test1-ac21 + pile of MIPS cleanups to make merging

possible.  Chainsawed RM200 kernel to compile again.  Jazz machine
status unknown.

5 files changed, 398 insertions, 25 deletions

diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile
index 8c087beb1..aff166e28 100644
--- a/arch/sh/boot/Makefile
+++ b/arch/sh/boot/Makefile
@@ -5,37 +5,30 @@
 # License.  See the file "COPYING" in the main directory of this archive
 # for more details.
 #
+# Copyright (C) 1999 Stuart Menefy
+#
 
-.S.s:
-	$(CPP) $(CFLAGS) $< -o $*.s
-.S.o:
-	$(CC) $(CFLAGS) -c $< -o $*.o
+SYSTEM  =$(TOPDIR)/vmlinux
 
-OBJS  = 
+Image:	$(CONFIGURE) $(SYSTEM)
+	$(OBJCOPY) $(SYSTEM) Image
 
-#
-# Drop some uninteresting sections in the kernel.
-#
-drop-sections	= .reginfo .mdebug
-strip-flags	= $(addprefix --remove-section=,$(drop-sections))
+zImage: $(CONFIGURE) compressed/vmlinux
+	$(OBJCOPY) compressed/vmlinux zImage
 
-#
-# Fake compressed boot
-#
-zImage:	$(CONFIGURE) mkboot $(TOPDIR)/vmlinux
-	$(OBJCOPY) $(strip-flags) $(TOPDIR)/vmlinux zImage.tmp
-	./mkboot zImage.tmp zImage
-	rm -f zImage.tmp
+compressed/vmlinux: $(TOPDIR)/vmlinux
+	$(MAKE) -C compressed vmlinux
+
+install: $(CONFIGURE) Image
+	sh -x ./install.sh $(KERNELRELEASE) Image $(TOPDIR)/System.map "$(INSTALL_PATH)"
 
-mkboot: mkboot.c
-	$(HOSTCC) -o $@ $^
+zinstall: $(CONFIGURE) zImage
+	sh -x ./install.sh $(KERNELRELEASE) zImage $(TOPDIR)/System.map "$(INSTALL_PATH)"
 
-# Don't build dependencies, this may die if $(CC) isn't gcc
 dep:
 
 clean:
-	rm -f zImage zImage.tmp mkboot
-
-dummy:
-
-include $(TOPDIR)/Rules.make
+	rm -f tools/build
+	rm -f setup bootsect zImage compressed/vmlinux.out
+	rm -f bsetup bbootsect bzImage compressed/bvmlinux.out
+	@$(MAKE) -C compressed clean
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
new file mode 100644
index 000000000..7a5b5b22f
--- /dev/null
+++ b/arch/sh/boot/compressed/Makefile
@@ -0,0 +1,39 @@
+#
+# linux/arch/sh/boot/compressed/Makefile
+#
+# create a compressed vmlinux image from the original vmlinux
+#
+
+HEAD = head.o
+SYSTEM = $(TOPDIR)/vmlinux
+
+OBJECTS = $(HEAD) misc.o
+
+ZLDFLAGS = -e startup -T $(TOPDIR)/arch/sh/vmlinux.lds
+
+#
+# ZIMAGE_OFFSET is the load offset of the compression loader
+#
+ZIMAGE_OFFSET = $(shell printf "0x%8x" $$[0x80000000+0x$(CONFIG_MEMORY_START)+0x200000])
+
+ZLINKFLAGS = -Ttext $(ZIMAGE_OFFSET) $(ZLDFLAGS)
+
+all: vmlinux
+
+vmlinux: piggy.o $(OBJECTS)
+	$(LD) $(ZLINKFLAGS) -o vmlinux $(OBJECTS) piggy.o
+
+head.o: head.S
+	$(CC) $(AFLAGS) -traditional -c head.S
+
+piggy.o:	$(SYSTEM)
+	tmppiggy=_tmp_$$$$piggy; \
+	rm -f $$tmppiggy $$tmppiggy.gz $$tmppiggy.lnk; \
+	$(OBJCOPY) -R .empty_zero_page $(SYSTEM) $$tmppiggy; \
+	gzip -f -9 < $$tmppiggy > $$tmppiggy.gz; \
+	echo "SECTIONS { .data : { input_len = .; LONG(input_data_end - input_data) input_data = .; *(.data) input_data_end = .; }}" > $$tmppiggy.lnk; \
+	$(LD) -r -o piggy.o -b binary $$tmppiggy.gz -b elf32-shl -T $$tmppiggy.lnk; \
+	rm -f $$tmppiggy $$tmppiggy.gz $$tmppiggy.lnk
+
+clean:
+	rm -f vmlinux _tmp_*
diff --git a/arch/sh/boot/compressed/head.S b/arch/sh/boot/compressed/head.S
new file mode 100644
index 000000000..d270d1b47
--- /dev/null
+++ b/arch/sh/boot/compressed/head.S
@@ -0,0 +1,53 @@
+/*
+ *  linux/arch/sh/boot/compressed/head.S
+ *
+ *  Copyright (C) 1999 Stuart Menefy
+ */
+
+.text
+
+#include <linux/linkage.h>
+
+	.global	startup
+startup:
+
+	/* First clear BSS */
+	mov.l	end_addr, r1
+	mov.l	bss_start_addr, r2
+	mov	#0, r0
+l1:
+	mov.l	r0, @-r1
+	cmp/eq	r1,r2
+	bf	l1
+
+	/* Load initial status register */
+	mov.l   init_sr, r1
+	ldc     r1, sr
+	
+	/* Set the initial pointer. */
+	mov.l	init_stack_addr, r0
+	mov.l	@r0, r15
+
+	/* Decompress the kernel */
+	mov.l	decompress_kernel_addr, r0
+	jsr	@r0
+	nop
+
+	/* Jump to the start of the decompressed kernel */
+	mov.l	kernel_start_addr, r0
+	jmp	@r0
+	nop
+	
+	.align	2
+bss_start_addr:
+	.long	__bss_start
+end_addr:
+	.long	_end
+init_sr:
+	.long	0x50000000	/* Privileged mode, Bank=0, Block=1, I3-I0=0 */
+init_stack_addr:
+	.long	stack_start
+decompress_kernel_addr:
+	.long	decompress_kernel
+kernel_start_addr:
+	.long	_text+0x1000
diff --git a/arch/sh/boot/compressed/install.sh b/arch/sh/boot/compressed/install.sh
new file mode 100644
index 000000000..90589f0fe
--- /dev/null
+++ b/arch/sh/boot/compressed/install.sh
@@ -0,0 +1,56 @@
+#!/bin/sh
+#
+# arch/sh/boot/install.sh
+#
+# 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.
+#
+# Copyright (C) 1995 by Linus Torvalds
+#
+# Adapted from code in arch/i386/boot/Makefile by H. Peter Anvin
+# Adapted from code in arch/i386/boot/install.sh by Russell King
+# Adapted from code in arch/arm/boot/install.sh by Stuart Menefy
+#
+# "make install" script for sh architecture
+#
+# Arguments:
+#   $1 - kernel version
+#   $2 - kernel image file
+#   $3 - kernel map file
+#   $4 - default install path (blank if root directory)
+#
+
+# User may have a custom install script
+
+if [ -x /sbin/installkernel ]; then
+  exec /sbin/installkernel "$@"
+fi
+
+if [ "$2" = "zImage" ]; then
+# Compressed install
+  echo "Installing compressed kernel"
+  if [ -f $4/vmlinuz-$1 ]; then
+    mv $4/vmlinuz-$1 $4/vmlinuz.old
+  fi
+
+  if [ -f $4/System.map-$1 ]; then
+    mv $4/System.map-$1 $4/System.old
+  fi
+
+  cat $2 > $4/vmlinuz-$1
+  cp $3 $4/System.map-$1
+else
+# Normal install
+  echo "Installing normal kernel"
+  if [ -f $4/vmlinux-$1 ]; then
+    mv $4/vmlinux-$1 $4/vmlinux.old
+  fi
+
+  if [ -f $4/System.map ]; then
+    mv $4/System.map $4/System.old
+  fi
+
+  cat $2 > $4/vmlinux-$1
+  cp $3 $4/System.map
+fi
diff --git a/arch/sh/boot/compressed/misc.c b/arch/sh/boot/compressed/misc.c
new file mode 100644
index 000000000..aab798505
--- /dev/null
+++ b/arch/sh/boot/compressed/misc.c
@@ -0,0 +1,232 @@
+/*
+ * arch/sh/boot/compressed/misc.c
+ * 
+ * This is a collection of several routines from gzip-1.0.3 
+ * adapted for Linux.
+ *
+ * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
+ *
+ * Adapted for SH by Stuart Menefy, Aug 1999
+ */
+
+#include <linux/config.h>
+#include <asm/uaccess.h>
+
+/*
+ * gzip declarations
+ */
+
+#define OF(args)  args
+#define STATIC static
+
+#undef memset
+#undef memcpy
+#define memzero(s, n)     memset ((s), 0, (n))
+
+typedef unsigned char  uch;
+typedef unsigned short ush;
+typedef unsigned long  ulg;
+
+#define WSIZE 0x8000		/* Window size must be at least 32k, */
+				/* and a power of two */
+
+static uch *inbuf;	     /* input buffer */
+static uch window[WSIZE];    /* Sliding window buffer */
+
+static unsigned insize = 0;  /* valid bytes in inbuf */
+static unsigned inptr = 0;   /* index of next byte to be processed in inbuf */
+static unsigned outcnt = 0;  /* bytes in output buffer */
+
+/* gzip flag byte */
+#define ASCII_FLAG   0x01 /* bit 0 set: file probably ASCII text */
+#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
+#define EXTRA_FIELD  0x04 /* bit 2 set: extra field present */
+#define ORIG_NAME    0x08 /* bit 3 set: original file name present */
+#define COMMENT      0x10 /* bit 4 set: file comment present */
+#define ENCRYPTED    0x20 /* bit 5 set: file is encrypted */
+#define RESERVED     0xC0 /* bit 6,7:   reserved */
+
+#define get_byte()  (inptr < insize ? inbuf[inptr++] : fill_inbuf())
+		
+/* Diagnostic functions */
+#ifdef DEBUG
+#  define Assert(cond,msg) {if(!(cond)) error(msg);}
+#  define Trace(x) fprintf x
+#  define Tracev(x) {if (verbose) fprintf x ;}
+#  define Tracevv(x) {if (verbose>1) fprintf x ;}
+#  define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
+#  define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
+#else
+#  define Assert(cond,msg)
+#  define Trace(x)
+#  define Tracev(x)
+#  define Tracevv(x)
+#  define Tracec(c,x)
+#  define Tracecv(c,x)
+#endif
+
+static int  fill_inbuf(void);
+static void flush_window(void);
+static void error(char *m);
+static void gzip_mark(void **);
+static void gzip_release(void **);
+  
+extern char input_data[];
+extern int input_len;
+
+static long bytes_out = 0;
+static uch *output_data;
+static unsigned long output_ptr = 0;
+
+ 
+static void *malloc(int size);
+static void free(void *where);
+static void error(char *m);
+static void gzip_mark(void **);
+static void gzip_release(void **);
+ 
+static void puts(const char *);
+  
+extern int _text;		/* Defined in vmlinux.lds.S */
+extern int _end;
+static unsigned long free_mem_ptr;
+static unsigned long free_mem_end_ptr;
+ 
+#define HEAP_SIZE             0x10000
+
+#include "../../../../lib/inflate.c"
+
+static void *malloc(int size)
+{
+	void *p;
+
+	if (size <0) error("Malloc error\n");
+	if (free_mem_ptr == 0) error("Memory error\n");
+
+	free_mem_ptr = (free_mem_ptr + 3) & ~3;	/* Align */
+
+	p = (void *)free_mem_ptr;
+	free_mem_ptr += size;
+
+	if (free_mem_ptr >= free_mem_end_ptr)
+		error("\nOut of memory\n");
+
+	return p;
+}
+
+static void free(void *where)
+{	/* Don't care */
+}
+
+static void gzip_mark(void **ptr)
+{
+	*ptr = (void *) free_mem_ptr;
+}
+
+static void gzip_release(void **ptr)
+{
+	free_mem_ptr = (long) *ptr;
+}
+
+#ifdef CONFIG_DEBUG_KERNEL_WITH_GDB_STUB
+#define IN_GDB 1
+#endif
+#include <asm/io.h>
+#include "../../../../drivers/char/sh-sci.h"
+
+static int strlen(const char *s)
+{
+	int i = 0;
+
+	while (*s++)
+		i++;
+	return i;
+}
+
+void puts(const char *s)
+{
+	put_string(s, strlen(s));
+}
+
+void* memset(void* s, int c, size_t n)
+{
+	int i;
+	char *ss = (char*)s;
+
+	for (i=0;i<n;i++) ss[i] = c;
+	return s;
+}
+
+void* memcpy(void* __dest, __const void* __src,
+			    size_t __n)
+{
+	int i;
+	char *d = (char *)__dest, *s = (char *)__src;
+
+	for (i=0;i<__n;i++) d[i] = s[i];
+	return __dest;
+}
+
+/* ===========================================================================
+ * Fill the input buffer. This is called only when the buffer is empty
+ * and at least one byte is really needed.
+ */
+static int fill_inbuf(void)
+{
+	if (insize != 0) {
+		error("ran out of input data\n");
+	}
+
+	inbuf = input_data;
+	insize = input_len;
+	inptr = 1;
+	return inbuf[0];
+}
+
+/* ===========================================================================
+ * Write the output window window[0..outcnt-1] and update crc and bytes_out.
+ * (Used for the decompressed data only.)
+ */
+static void flush_window(void)
+{
+    ulg c = crc;         /* temporary variable */
+    unsigned n;
+    uch *in, *out, ch;
+    
+    in = window;
+    out = &output_data[output_ptr]; 
+    for (n = 0; n < outcnt; n++) {
+	    ch = *out++ = *in++;
+	    c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
+    }
+    crc = c;
+    bytes_out += (ulg)outcnt;
+    output_ptr += (ulg)outcnt;
+    outcnt = 0;
+}
+
+static void error(char *x)
+{
+	puts("\n\n");
+	puts(x);
+	puts("\n\n -- System halted");
+
+	while(1);	/* Halt */
+}
+
+#define STACK_SIZE (4096)
+long user_stack [STACK_SIZE];
+long* stack_start = &user_stack[STACK_SIZE];
+
+void decompress_kernel(void)
+{
+	output_data = 0;
+	output_ptr = (unsigned long)&_text+0x20001000;
+	free_mem_ptr = (unsigned long)&_end;
+	free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
+
+	makecrc();
+	puts("Uncompressing Linux... ");
+	gunzip();
+	puts("Ok, booting the kernel.\n");
+}