diff -urN linux-2.6.16.7/arch/mips/boot/compressed/au1xxx/head.S linux-2.6.16.7.new/arch/mips/boot/compressed/au1xxx/head.S --- linux-2.6.16.7/arch/mips/boot/compressed/au1xxx/head.S 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/au1xxx/head.S 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,119 @@ +/* + * arch/mips/kernel/head.S + * + * 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) 1994, 1995 Waldorf Electronics + * Written by Ralf Baechle and Andreas Busse + * Copyright (C) 1995 - 1999 Ralf Baechle + * Copyright (C) 1996 Paul M. Antoine + * Modified for DECStation and hence R3000 support by Paul M. Antoine + * Further modifications by David S. Miller and Harald Koerfgen + * Copyright (C) 1999 Silicon Graphics, Inc. + * + * Head.S contains the MIPS exception handler and startup code. + * + ************************************************************************** + * 9 Nov, 2000. + * Added Cache Error exception handler and SBDDP EJTAG debug exception. + * + * Kevin Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + ************************************************************************** + */ +#include +#include + +#include +#include +#include +#include +#include + +#define IndexInvalidate_I 0x00 +#define IndexWriteBack_D 0x01 + + .set noreorder + .cprestore + LEAF(start) +start: + bal locate + nop +locate: + subu s8, ra, 8 /* Where we were loaded */ + la sp, (.stack + 8192) + + move s0, a0 /* Save boot rom start args */ + move s1, a1 + move s2, a2 + move s3, a3 + + la a0, start /* Where we were linked to run */ + + move a1, s8 + la a2, _edata + subu t1, a2, a0 + srl t1, t1, 2 + + /* copy text section */ + li t0, 0 +1: lw v0, 0(a1) + nop + sw v0, 0(a0) + xor t0, t0, v0 + addu a0, 4 + bne a2, a0, 1b + addu a1, 4 + + /* Clear BSS */ + la a0, _edata + la a2, _end +2: sw zero, 0(a0) + bne a2, a0, 2b + addu a0, 4 + + /* push the D-Cache and invalidate I-Cache */ + li k0, 0x80000000 # start address + li k1, 0x80004000 # end address (16KB I-Cache) + subu k1, 128 + +1: + .set mips3 + cache IndexWriteBack_D, 0(k0) + cache IndexWriteBack_D, 32(k0) + cache IndexWriteBack_D, 64(k0) + cache IndexWriteBack_D, 96(k0) + cache IndexInvalidate_I, 0(k0) + cache IndexInvalidate_I, 32(k0) + cache IndexInvalidate_I, 64(k0) + cache IndexInvalidate_I, 96(k0) + .set mips0 + + bne k0, k1, 1b + addu k0, k0, 128 + /* done */ + + move a0, s8 /* load address */ + move a1, t1 /* length in words */ + move a2, t0 /* checksum */ + move a3, sp + + la ra, 1f + la k0, decompress_kernel + jr k0 + nop +1: + + move a0, s0 + move a1, s1 + move a2, s2 + move a3, s3 + li k0, KERNEL_ENTRY + jr k0 + nop +3: + b 3b + END(start) + .comm .stack,4096*2,4 diff -urN linux-2.6.16.7/arch/mips/boot/compressed/au1xxx/Makefile linux-2.6.16.7.new/arch/mips/boot/compressed/au1xxx/Makefile --- linux-2.6.16.7/arch/mips/boot/compressed/au1xxx/Makefile 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/au1xxx/Makefile 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,110 @@ +# arch/mips/boot/compressed/au1xxx/Makefile +# +# Makefile for AMD Alchemy Semiconductor Au1x based boards. +# All of the boot loader code was derived from the ppc +# boot code. +# +# Copyright 2001,2002 MontaVista Software Inc. +# +# Author: Mark A. Greer +# mgreer@mvista.com +# +# Copyright 2004 Embedded Alley Solutions, Inc +# Ported and modified for mips 2.6 support by +# Pete Popov +# +# 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. + +boot := arch/mips/boot +compressed := $(boot)/compressed +utils := $(compressed)/utils +lib := $(compressed)/lib +images := $(compressed)/images +common := $(compressed)/common + +######################################################################### +# START BOARD SPECIFIC VARIABLES + +# These two variables control where the zImage is stored +# in flash and loaded in memory. It only controls how the srec +# file is generated, the code is the same. +RAM_RUN_ADDR = 0x81000000 + +ifdef CONFIG_MIPS_XXS1500 +FLASH_LOAD_ADDR = 0xBF000000 +else +FLASH_LOAD_ADDR = 0xBFD00000 +endif + +# These two variables specify the free ram region +# that can be used for temporary malloc area +AVAIL_RAM_START=0x80500000 +AVAIL_RAM_END=0x80900000 + +# This one must match the LOADADDR in arch/mips/Makefile! +LOADADDR=0x80100000 + +# WARNING WARNING WARNING +# Note that with a LOADADDR of 0x80100000 and AVAIL_RAM_START of +# 0x80500000, the max decompressed kernel size can be 4MB. Else we +# start overwriting ourselve. You can change these vars as needed; +# it would be much better if we just figured everything out on the fly. + +# END BOARD SPECIFIC VARIABLES +######################################################################### + +OBJECTS := $(obj)/head.o $(common)/misc-common.o $(common)/misc-simple.o \ + $(common)/au1k_uart.o +LIBS := $(lib)/lib.a + +ENTRY := $(utils)/entry +OFFSET := $(utils)/offset +SIZE := $(utils)/size + +LD_ARGS := -T $(compressed)/ld.script -Ttext $(RAM_RUN_ADDR) -Bstatic + +ifdef CONFIG_CPU_LITTLE_ENDIAN +OBJCOPY_ARGS = -O elf32-tradlittlemips +else +OBJCOPY_ARGS = -O elf32-tradbigmips +endif + +$(obj)/head.o: $(obj)/head.S $(TOPDIR)/vmlinux + $(CC) -I $(TOPDIR)/include $(AFLAGS) \ + -DKERNEL_ENTRY=$(shell sh $(ENTRY) $(NM) $(TOPDIR)/vmlinux ) \ + -c -o $*.o $< + +$(common)/misc-simple.o: + $(CC) -I $(TOPDIR)/include $(CFLAGS) -DINITRD_OFFSET=0 -DINITRD_SIZE=0 -DZIMAGE_OFFSET=0 \ + -DAVAIL_RAM_START=$(AVAIL_RAM_START) \ + -DAVAIL_RAM_END=$(AVAIL_RAM_END) \ + -DLOADADDR=$(LOADADDR) \ + -DZIMAGE_SIZE=0 -c -o $@ $*.c + +$(obj)/zvmlinux: $(OBJECTS) $(LIBS) $(srctree)/$(compressed)/ld.script $(images)/vmlinux.gz $(common)/dummy.o + $(OBJCOPY) \ + --add-section=.image=$(images)/vmlinux.gz \ + --set-section-flags=.image=contents,alloc,load,readonly,data \ + $(common)/dummy.o $(common)/image.o + $(LD) $(LD_ARGS) -o $@ $(OBJECTS) $(common)/image.o $(LIBS) + $(OBJCOPY) $(OBJCOPY_ARGS) $@ $@ -R __kcrctab -R __ksymtab_strings \ + -R .comment -R .stab -R .stabstr -R .initrd -R .sysmap + +# Here we manipulate the image in order to get it the necessary +# srecord file we need. +zImage: $(obj)/zvmlinux + mv $(obj)/zvmlinux $(images)/zImage + $(OBJCOPY) -O srec $(images)/zImage $(images)/zImage.srec + $(OBJCOPY) -O binary $(images)/zImage $(images)/zImage.bin + +zImage.flash: zImage + ( \ + flash=${FLASH_LOAD_ADDR} ; \ + ram=${RAM_RUN_ADDR} ; \ + adjust=$$[ $$flash - $$ram ] ; \ + $(OBJCOPY) -O srec --adjust-vma `printf '0x%08x' $$adjust` \ + $(images)/zImage $(images)/zImage.flash.srec ; \ + ) diff -urN linux-2.6.16.7/arch/mips/boot/compressed/common/au1k_uart.c linux-2.6.16.7.new/arch/mips/boot/compressed/common/au1k_uart.c --- linux-2.6.16.7/arch/mips/boot/compressed/common/au1k_uart.c 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/common/au1k_uart.c 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,103 @@ +/* + * BRIEF MODULE DESCRIPTION + * Simple Au1000 uart routines. + * + * Copyright 2001 MontaVista Software Inc. + * Author: MontaVista Software, Inc. + * ppopov@mvista.com or source@mvista.com + * + * 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 SOFTWARE IS PROVIDED ``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. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ +#include +#include +#include +#include "ns16550.h" + +typedef unsigned char uint8; +typedef unsigned int uint32; + +#define UART16550_BAUD_2400 2400 +#define UART16550_BAUD_4800 4800 +#define UART16550_BAUD_9600 9600 +#define UART16550_BAUD_19200 19200 +#define UART16550_BAUD_38400 38400 +#define UART16550_BAUD_57600 57600 +#define UART16550_BAUD_115200 115200 + +#define UART16550_PARITY_NONE 0 +#define UART16550_PARITY_ODD 0x08 +#define UART16550_PARITY_EVEN 0x18 +#define UART16550_PARITY_MARK 0x28 +#define UART16550_PARITY_SPACE 0x38 + +#define UART16550_DATA_5BIT 0x0 +#define UART16550_DATA_6BIT 0x1 +#define UART16550_DATA_7BIT 0x2 +#define UART16550_DATA_8BIT 0x3 + +#define UART16550_STOP_1BIT 0x0 +#define UART16550_STOP_2BIT 0x4 + +/* It would be nice if we had a better way to do this. + * It could be a variable defined in one of the board specific files. + */ +#undef UART_BASE +#ifdef CONFIG_COGENT_CSB250 +#define UART_BASE UART3_ADDR +#else +#define UART_BASE UART0_ADDR +#endif + +/* memory-mapped read/write of the port */ +#define UART16550_READ(y) (au_readl(UART_BASE + y) & 0xff) +#define UART16550_WRITE(y,z) (au_writel(z&0xff, UART_BASE + y)) + +/* + * We use uart 0, which is already initialized by + * yamon. + */ +volatile struct NS16550 * +serial_init(int chan) +{ + volatile struct NS16550 *com_port; + com_port = (struct NS16550 *) UART_BASE; + return (com_port); +} + +void +serial_putc(volatile struct NS16550 *com_port, unsigned char c) +{ + while ((UART16550_READ(UART_LSR)&0x40) == 0); + UART16550_WRITE(UART_TX, c); +} + +unsigned char +serial_getc(volatile struct NS16550 *com_port) +{ + while((UART16550_READ(UART_LSR) & 0x1) == 0); + return UART16550_READ(UART_RX); +} + +int +serial_tstc(volatile struct NS16550 *com_port) +{ + return((UART16550_READ(UART_LSR) & LSR_DR) != 0); +} diff -urN linux-2.6.16.7/arch/mips/boot/compressed/common/dummy.c linux-2.6.16.7.new/arch/mips/boot/compressed/common/dummy.c --- linux-2.6.16.7/arch/mips/boot/compressed/common/dummy.c 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/common/dummy.c 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,4 @@ +int main(void) +{ + return 0; +} diff -urN linux-2.6.16.7/arch/mips/boot/compressed/common/Makefile linux-2.6.16.7.new/arch/mips/boot/compressed/common/Makefile --- linux-2.6.16.7/arch/mips/boot/compressed/common/Makefile 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/common/Makefile 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,14 @@ +# +# arch/mips/boot/compressed/common/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. +# +# Tom Rini January 2001 +# +# Pete Popov, 2004 +# + +lib-y := misc-common.o no_initrd.o dummy.o +lib-$(CONFIG_SOC_AU1X00) += au1k_uart.o diff -urN linux-2.6.16.7/arch/mips/boot/compressed/common/misc-common.c linux-2.6.16.7.new/arch/mips/boot/compressed/common/misc-common.c --- linux-2.6.16.7/arch/mips/boot/compressed/common/misc-common.c 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/common/misc-common.c 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,434 @@ +/* + * arch/mips/boot/compressed/common/misc-common.c + * + * Misc. bootloader code (almost) all platforms can use + * + * Author: Johnnie Peters + * Editor: Tom Rini + * + * Derived from arch/ppc/boot/prep/misc.c + * + * Ported by Pete Popov to + * support mips board(s). I also got rid of the vga console + * code. + * + * Copyright 2000-2001 MontaVista Software Inc. + * + * Ported to MIPS 2.6 by Pete Popov, + * + * 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 SOFTWARE IS PROVIDED ``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. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include /* for va_ bits */ +#include +#include +#include + +extern char *avail_ram; +extern char *end_avail; +extern char _end[]; + +void puts(const char *); +void putc(const char c); +void puthex(unsigned long val); +void _bcopy(char *src, char *dst, int len); +void gunzip(void *, int, unsigned char *, int *); +static int _cvt(unsigned long val, char *buf, long radix, char *digits); + +void _vprintk(void(*)(const char), const char *, va_list ap); + +struct NS16550 *com_port; + +int serial_tstc(volatile struct NS16550 *); +unsigned char serial_getc(volatile struct NS16550 *); +void serial_putc(volatile struct NS16550 *, unsigned char); + +void pause(void) +{ + puts("pause\n"); +} + +void exit(void) +{ + puts("exit\n"); + while(1); +} + +int tstc(void) +{ + return (serial_tstc(com_port)); +} + +int getc(void) +{ + while (1) { + if (serial_tstc(com_port)) + return (serial_getc(com_port)); + } +} + +void +putc(const char c) +{ + serial_putc(com_port, c); + if ( c == '\n' ) + serial_putc(com_port, '\r'); +} + +void puts(const char *s) +{ + char c; + while ( ( c = *s++ ) != '\0' ) { + serial_putc(com_port, c); + if ( c == '\n' ) serial_putc(com_port, '\r'); + } +} + +void error(char *x) +{ + puts("\n\n"); + puts(x); + puts("\n\n -- System halted"); + + while(1); /* Halt */ +} + +static void *zalloc(unsigned size) +{ + void *p = avail_ram; + + size = (size + 7) & -8; + avail_ram += size; + if (avail_ram > end_avail) { + puts("oops... out of memory\n"); + pause(); + } + return p; +} + + +#define HEAD_CRC 2 +#define EXTRA_FIELD 4 +#define ORIG_NAME 8 +#define COMMENT 0x10 +#define RESERVED 0xe0 + +#define DEFLATED 8 + +void gunzip(void *dst, int dstlen, unsigned char *src, int *lenp) +{ + z_stream s; + int r, i, flags; + + /* skip header */ + i = 10; + flags = src[3]; + if (src[2] != Z_DEFLATED || (flags & RESERVED) != 0) { + puts("bad gzipped data\n"); + exit(); + } + if ((flags & EXTRA_FIELD) != 0) + i = 12 + src[10] + (src[11] << 8); + if ((flags & ORIG_NAME) != 0) + while (src[i++] != 0) + ; + if ((flags & COMMENT) != 0) + while (src[i++] != 0) + ; + if ((flags & HEAD_CRC) != 0) + i += 2; + if (i >= *lenp) { + puts("gunzip: ran out of data in header\n"); + exit(); + } + + /* Initialize ourself. */ + s.workspace = zalloc(zlib_inflate_workspacesize()); + r = zlib_inflateInit2(&s, -MAX_WBITS); + if (r != Z_OK) { + puts("zlib_inflateInit2 returned "); puthex(r); puts("\n"); + exit(); + } + s.next_in = src + i; + s.avail_in = *lenp - i; + s.next_out = dst; + s.avail_out = dstlen; + r = zlib_inflate(&s, Z_FINISH); + if (r != Z_OK && r != Z_STREAM_END) { + puts("inflate returned "); puthex(r); puts("\n"); + exit(); + } + *lenp = s.next_out - (unsigned char *) dst; + zlib_inflateEnd(&s); +} + +void +puthex(unsigned long val) +{ + + unsigned char buf[10]; + int i; + for (i = 7; i >= 0; i--) + { + buf[i] = "0123456789ABCDEF"[val & 0x0F]; + val >>= 4; + } + buf[8] = '\0'; + puts(buf); +} + +#define FALSE 0 +#define TRUE 1 + +void +_printk(char const *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + _vprintk(putc, fmt, ap); + va_end(ap); + return; +} + +#define is_digit(c) ((c >= '0') && (c <= '9')) + +void +_vprintk(void(*putc)(const char), const char *fmt0, va_list ap) +{ + char c, sign, *cp = 0; + int left_prec, right_prec, zero_fill, length = 0, pad, pad_on_right; + char buf[32]; + long val; + while ((c = *fmt0++)) + { + if (c == '%') + { + c = *fmt0++; + left_prec = right_prec = pad_on_right = 0; + if (c == '-') + { + c = *fmt0++; + pad_on_right++; + } + if (c == '0') + { + zero_fill = TRUE; + c = *fmt0++; + } else + { + zero_fill = FALSE; + } + while (is_digit(c)) + { + left_prec = (left_prec * 10) + (c - '0'); + c = *fmt0++; + } + if (c == '.') + { + c = *fmt0++; + zero_fill++; + while (is_digit(c)) + { + right_prec = (right_prec * 10) + (c - '0'); + c = *fmt0++; + } + } else + { + right_prec = left_prec; + } + sign = '\0'; + switch (c) + { + case 'd': + case 'x': + case 'X': + val = va_arg(ap, long); + switch (c) + { + case 'd': + if (val < 0) + { + sign = '-'; + val = -val; + } + length = _cvt(val, buf, 10, "0123456789"); + break; + case 'x': + length = _cvt(val, buf, 16, "0123456789abcdef"); + break; + case 'X': + length = _cvt(val, buf, 16, "0123456789ABCDEF"); + break; + } + cp = buf; + break; + case 's': + cp = va_arg(ap, char *); + length = strlen(cp); + break; + case 'c': + c = va_arg(ap, long /*char*/); + (*putc)(c); + continue; + default: + (*putc)('?'); + } + pad = left_prec - length; + if (sign != '\0') + { + pad--; + } + if (zero_fill) + { + c = '0'; + if (sign != '\0') + { + (*putc)(sign); + sign = '\0'; + } + } else + { + c = ' '; + } + if (!pad_on_right) + { + while (pad-- > 0) + { + (*putc)(c); + } + } + if (sign != '\0') + { + (*putc)(sign); + } + while (length-- > 0) + { + (*putc)(c = *cp++); + if (c == '\n') + { + (*putc)('\r'); + } + } + if (pad_on_right) + { + while (pad-- > 0) + { + (*putc)(c); + } + } + } else + { + (*putc)(c); + if (c == '\n') + { + (*putc)('\r'); + } + } + } +} + +int +_cvt(unsigned long val, char *buf, long radix, char *digits) +{ + char temp[80]; + char *cp = temp; + int length = 0; + if (val == 0) + { /* Special case */ + *cp++ = '0'; + } else + while (val) + { + *cp++ = digits[val % radix]; + val /= radix; + } + while (cp != temp) + { + *buf++ = *--cp; + length++; + } + *buf = '\0'; + return (length); +} + +void +_dump_buf_with_offset(unsigned char *p, int s, unsigned char *base) +{ + int i, c; + if ((unsigned int)s > (unsigned int)p) + { + s = (unsigned int)s - (unsigned int)p; + } + while (s > 0) + { + if (base) + { + _printk("%06X: ", (int)p - (int)base); + } else + { + _printk("%06X: ", p); + } + for (i = 0; i < 16; i++) + { + if (i < s) + { + _printk("%02X", p[i] & 0xFF); + } else + { + _printk(" "); + } + if ((i % 2) == 1) _printk(" "); + if ((i % 8) == 7) _printk(" "); + } + _printk(" |"); + for (i = 0; i < 16; i++) + { + if (i < s) + { + c = p[i] & 0xFF; + if ((c < 0x20) || (c >= 0x7F)) c = '.'; + } else + { + c = ' '; + } + _printk("%c", c); + } + _printk("|\n"); + s -= 16; + p += 16; + } +} + +void +_dump_buf(unsigned char *p, int s) +{ + _printk("\n"); + _dump_buf_with_offset(p, s, 0); +} + +/* + * Local variables: + * c-indent-level: 8 + * c-basic-offset: 8 + * tab-width: 8 + * End: + */ diff -urN linux-2.6.16.7/arch/mips/boot/compressed/common/misc-simple.c linux-2.6.16.7.new/arch/mips/boot/compressed/common/misc-simple.c --- linux-2.6.16.7/arch/mips/boot/compressed/common/misc-simple.c 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/common/misc-simple.c 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,122 @@ +/* + * arch/mips/zboot/common/misc-simple.c + * + * Misc. bootloader code for many machines. This assumes you have are using + * a 6xx/7xx/74xx CPU in your machine. This assumes the chunk of memory + * below 8MB is free. Finally, it assumes you have a NS16550-style uart for + * your serial console. If a machine meets these requirements, it can quite + * likely use this code during boot. + * + * Author: Matt Porter + * Derived from arch/ppc/boot/prep/misc.c + * + * Copyright 2001 MontaVista Software Inc. + * + * 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. + */ + +#include +#include +#include + +#include + +#include "linux/zlib.h" + +extern struct NS16550 *com_port; + +char *avail_ram; +char *end_avail; +extern char _end[]; +char *zimage_start; + +#ifdef CONFIG_CMDLINE +#define CMDLINE CONFIG_CMDLINE +#else +#define CMDLINE "" +#endif +char cmd_preset[] = CMDLINE; +char cmd_buf[256]; +char *cmd_line = cmd_buf; + +/* The linker tells us where the image is. +*/ +extern unsigned char __image_begin, __image_end; +extern unsigned char __ramdisk_begin, __ramdisk_end; +unsigned long initrd_size; + +extern void puts(const char *); +extern void putc(const char c); +extern void puthex(unsigned long val); +extern void *memcpy(void * __dest, __const void * __src, + __kernel_size_t __n); +extern void gunzip(void *, int, unsigned char *, int *); +extern void udelay(long delay); +extern int tstc(void); +extern int getc(void); +extern volatile struct NS16550 *serial_init(int chan); + +void +decompress_kernel(unsigned long load_addr, int num_words, + unsigned long cksum, unsigned long *sp) +{ + extern unsigned long start; + int zimage_size; + + com_port = (struct NS16550 *)serial_init(0); + + initrd_size = (unsigned long)(&__ramdisk_end) - + (unsigned long)(&__ramdisk_begin); + + /* + * Reveal where we were loaded at and where we + * were relocated to. + */ + puts("loaded at: "); puthex(load_addr); + puts(" "); puthex((unsigned long)(load_addr + (4*num_words))); puts("\n"); + if ( (unsigned long)load_addr != (unsigned long)&start ) + { + puts("relocated to: "); puthex((unsigned long)&start); + puts(" "); + puthex((unsigned long)((unsigned long)&start + (4*num_words))); + puts("\n"); + } + + /* + * We link ourself to an arbitrary low address. When we run, we + * relocate outself to that address. __image_being points to + * the part of the image where the zImage is. -- Tom + */ + zimage_start = (char *)(unsigned long)(&__image_begin); + zimage_size = (unsigned long)(&__image_end) - + (unsigned long)(&__image_begin); + + /* + * The zImage and initrd will be between start and _end, so they've + * already been moved once. We're good to go now. -- Tom + */ + puts("zimage at: "); puthex((unsigned long)zimage_start); + puts(" "); puthex((unsigned long)(zimage_size+zimage_start)); + puts("\n"); + + if ( initrd_size ) { + puts("initrd at: "); + puthex((unsigned long)(&__ramdisk_begin)); + puts(" "); puthex((unsigned long)(&__ramdisk_end));puts("\n"); + } + + /* assume the chunk below 8M is free */ + avail_ram = (char *)AVAIL_RAM_START; + end_avail = (char *)AVAIL_RAM_END; + + /* Display standard Linux/MIPS boot prompt for kernel args */ + puts("Uncompressing Linux at load address "); + puthex(LOADADDR); + puts("\n"); + /* I don't like this hard coded gunzip size (fixme) */ + gunzip((void *)LOADADDR, 0x400000, zimage_start, &zimage_size); + puts("Now booting the kernel\n"); +} diff -urN linux-2.6.16.7/arch/mips/boot/compressed/common/no_initrd.c linux-2.6.16.7.new/arch/mips/boot/compressed/common/no_initrd.c --- linux-2.6.16.7/arch/mips/boot/compressed/common/no_initrd.c 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/common/no_initrd.c 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,2 @@ +char initrd_data[1]; +int initrd_len = 0; diff -urN linux-2.6.16.7/arch/mips/boot/compressed/images/Makefile linux-2.6.16.7.new/arch/mips/boot/compressed/images/Makefile --- linux-2.6.16.7/arch/mips/boot/compressed/images/Makefile 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/images/Makefile 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,17 @@ + +# +# This dir holds all of the images for MIPS machines. +# Tom Rini January 2001 +# Pete Popov 2004 + +extra-y := vmlinux.bin vmlinux.gz + +OBJCOPYFLAGS_vmlinux.bin := -O binary +$(obj)/vmlinux.bin: vmlinux FORCE + $(call if_changed,objcopy) + +$(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE + $(call if_changed,gzip) + +# Files generated that shall be removed upon make clean +clean-files := vmlinux* zImage* diff -urN linux-2.6.16.7/arch/mips/boot/compressed/include/nonstdio.h linux-2.6.16.7.new/arch/mips/boot/compressed/include/nonstdio.h --- linux-2.6.16.7/arch/mips/boot/compressed/include/nonstdio.h 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/include/nonstdio.h 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,18 @@ +/* + * Copyright (C) Paul Mackerras 1997. + * + * 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. + */ +typedef int FILE; +extern FILE *stdin, *stdout; +#define NULL ((void *)0) +#define EOF (-1) +#define fopen(n, m) NULL +#define fflush(f) 0 +#define fclose(f) 0 +extern char *fgets(); + +#define perror(s) printf("%s: no files!\n", (s)) diff -urN linux-2.6.16.7/arch/mips/boot/compressed/include/ns16550.h linux-2.6.16.7.new/arch/mips/boot/compressed/include/ns16550.h --- linux-2.6.16.7/arch/mips/boot/compressed/include/ns16550.h 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/include/ns16550.h 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,46 @@ +/* + * NS16550 Serial Port + */ + +/* + * Figure out which file will have the definitons of COMx + */ + +/* Some machines have their uart registers 16 bytes apart. Most don't. + * TODO: Make this work like drivers/char/serial does - Tom */ +#if !defined(UART_REG_PAD) +#define UART_REG_PAD(x) +#endif + +struct NS16550 + { + unsigned char rbr; /* 0 */ + UART_REG_PAD(rbr) + unsigned char ier; /* 1 */ + UART_REG_PAD(ier) + unsigned char fcr; /* 2 */ + UART_REG_PAD(fcr) + unsigned char lcr; /* 3 */ + UART_REG_PAD(lcr) + unsigned char mcr; /* 4 */ + UART_REG_PAD(mcr) + unsigned char lsr; /* 5 */ + UART_REG_PAD(lsr) + unsigned char msr; /* 6 */ + UART_REG_PAD(msr) + unsigned char scr; /* 7 */ + }; + +#define thr rbr +#define iir fcr +#define dll rbr +#define dlm ier + +#define LSR_DR 0x01 /* Data ready */ +#define LSR_OE 0x02 /* Overrun */ +#define LSR_PE 0x04 /* Parity error */ +#define LSR_FE 0x08 /* Framing error */ +#define LSR_BI 0x10 /* Break */ +#define LSR_THRE 0x20 /* Xmit holding register empty */ +#define LSR_TEMT 0x40 /* Xmitter empty */ +#define LSR_ERR 0x80 /* Error */ diff -urN linux-2.6.16.7/arch/mips/boot/compressed/include/pb1000_serial.h linux-2.6.16.7.new/arch/mips/boot/compressed/include/pb1000_serial.h --- linux-2.6.16.7/arch/mips/boot/compressed/include/pb1000_serial.h 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/include/pb1000_serial.h 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,20 @@ +/* + * arch/ppc/boot/include/sandpoint_serial.h + * + * Location of the COM ports on Motorola SPS Sandpoint machines + * + * Author: Mark A. Greer + * mgreer@mvista.com + * + * Copyright 2001 MontaVista Software Inc. + * + * 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. + */ + +#define COM1 0xfe0003f8 +#define COM2 0xfe0002f8 +#define COM3 0x00000000 /* No COM3 */ +#define COM4 0x00000000 /* No COM4 */ diff -urN linux-2.6.16.7/arch/mips/boot/compressed/ld.script linux-2.6.16.7.new/arch/mips/boot/compressed/ld.script --- linux-2.6.16.7/arch/mips/boot/compressed/ld.script 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/ld.script 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,151 @@ +OUTPUT_ARCH(mips) +ENTRY(start) +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + /* . = 0x81000000; */ + .init : { *(.init) } =0 + .text : + { + _ftext = . ; + *(.text) + *(.rodata) *(.rodata.*) + *(.rodata1) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + } =0 + .kstrtab : { *(.kstrtab) } + + . = ALIGN(16); /* Exception table */ + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + __start___dbe_table = .; /* Exception table for data bus errors */ + __dbe_table : { *(__dbe_table) } + __stop___dbe_table = .; + + __start___ksymtab = .; /* Kernel symbol table */ + __ksymtab : { *(__ksymtab) } + __stop___ksymtab = .; + + _etext = .; + + . = ALIGN(8192); + .data.init_task : { *(.data.init_task) } + + /* Startup code */ + . = ALIGN(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(16); + __setup_start = .; + .setup.init : { *(.setup.init) } + __setup_end = .; + __initcall_start = .; + .initcall.init : { *(.initcall.init) } + __initcall_end = .; + . = ALIGN(4096); /* Align double page for init_task_union */ + __init_end = .; + + . = ALIGN(4096); + .data.page_aligned : { *(.data.idt) } + + . = ALIGN(32); + .data.cacheline_aligned : { *(.data.cacheline_aligned) } + + .fini : { *(.fini) } =0 + .reginfo : { *(.reginfo) } + /* Adjust the address for the data segment. We want to adjust up to + the same address within the page on the next page up. It would + be more correct to do this: + . = .; + The current expression does not correctly handle the case of a + text segment ending precisely at the end of a page; it causes the + data segment to skip a page. The above expression does not have + this problem, but it will currently (2/95) cause BFD to allocate + a single segment, combining both text and data, for this case. + This will prevent the text segment from being shared among + multiple executions of the program; I think that is more + important than losing a page of the virtual address space (note + that no actual memory is lost; the page which is skipped can not + be referenced). */ + . = .; + .data : + { + _fdata = . ; + *(.data) + + /* Put the compressed image here, so bss is on the end. */ + __image_begin = .; + *(.image) + __image_end = .; + /* Align the initial ramdisk image (INITRD) on page boundaries. */ + . = ALIGN(4096); + __ramdisk_begin = .; + *(.initrd) + __ramdisk_end = .; + . = ALIGN(4096); + + CONSTRUCTORS + } + .data1 : { *(.data1) } + _gp = . + 0x8000; + .lit8 : { *(.lit8) } + .lit4 : { *(.lit4) } + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + .got : { *(.got.plt) *(.got) } + .dynamic : { *(.dynamic) } + /* We want the small data sections together, so single-instruction offsets + can access them all, and initialized data all before uninitialized, so + we can shorten the on-disk segment size. */ + .sdata : { *(.sdata) } + . = ALIGN(4); + _edata = .; + PROVIDE (edata = .); + + __bss_start = .; + _fbss = .; + .sbss : { *(.sbss) *(.scommon) } + .bss : + { + *(.dynbss) + *(.bss) + *(COMMON) + . = ALIGN(4); + _end = . ; + PROVIDE (end = .); + } + + /* Sections to be discarded */ + /DISCARD/ : + { + *(.text.exit) + *(.data.exit) + *(.exitcall.exit) + } + + /* This is the MIPS specific mdebug section. */ + .mdebug : { *(.mdebug) } + /* These are needed for ELF backends which have not yet been + converted to the new style linker. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + /* DWARF debug sections. + Symbols in the .debug DWARF section are relative to the beginning of the + section so we begin .debug at 0. It's not clear yet what needs to happen + for the others. */ + .debug 0 : { *(.debug) } + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + .debug_sfnames 0 : { *(.debug_sfnames) } + .line 0 : { *(.line) } + /* These must appear regardless of . */ + .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) } + .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) } + .comment : { *(.comment) } + .note : { *(.note) } +} diff -urN linux-2.6.16.7/arch/mips/boot/compressed/lib/Makefile linux-2.6.16.7.new/arch/mips/boot/compressed/lib/Makefile --- linux-2.6.16.7/arch/mips/boot/compressed/lib/Makefile 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/lib/Makefile 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,11 @@ + +# +# Makefile for some libs needed by zImage. +# + +lib-y := $(addprefix ../../../../../lib/zlib_inflate/, \ + infblock.o infcodes.o inffast.o inflate.o inftrees.o infutil.o) \ + $(addprefix ../../../../../lib/, ctype.o string.o) \ + $(addprefix ../../../../../arch/mips/lib/, memcpy.o) \ + + diff -urN linux-2.6.16.7/arch/mips/boot/compressed/Makefile linux-2.6.16.7.new/arch/mips/boot/compressed/Makefile --- linux-2.6.16.7/arch/mips/boot/compressed/Makefile 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/Makefile 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,32 @@ + +# +# arch/mips/boot/compressed/Makefile +# +# This file is subject to the terms and conditions of the GNU General Public +# License. See the file "COPYING" in the main directory of this archive +# for more details. +# +# Copyright (C) 1994 by Linus Torvalds +# Adapted for PowerPC by Gary Thomas +# modified by Cort (cort@cs.nmt.edu) +# +# Ported to MIPS by Pete Popov, ppopov@embeddedalley.com +# + +boot := arch/mips/boot +compressed := arch/mips/boot/compressed + +CFLAGS += -fno-builtin -D__BOOTER__ -I$(compressed)/include + +BOOT_TARGETS = zImage zImage.flash + +bootdir-$(CONFIG_SOC_AU1X00) := au1xxx +subdir-y := common lib images + +.PHONY: $(BOOT_TARGETS) $(bootdir-y) + +$(BOOT_TARGETS): $(bootdir-y) + +$(bootdir-y): $(addprefix $(obj)/,$(subdir-y)) \ + $(addprefix $(obj)/,$(hostprogs-y)) + $(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS) diff -urN linux-2.6.16.7/arch/mips/boot/compressed/utils/entry linux-2.6.16.7.new/arch/mips/boot/compressed/utils/entry --- linux-2.6.16.7/arch/mips/boot/compressed/utils/entry 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/utils/entry 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,12 @@ +#!/bin/sh + +# grab the kernel_entry address from the vmlinux elf image +entry=`$1 $2 | grep kernel_entry` + +fs=`echo $entry | grep ffffffff` # check toolchain output + +if [ -n "$fs" ]; then + echo "0x"`$1 $2 | grep kernel_entry | cut -c9- | awk '{print $1}'` +else + echo "0x"`$1 $2 | grep kernel_entry | cut -c1- | awk '{print $1}'` +fi diff -urN linux-2.6.16.7/arch/mips/boot/compressed/utils/offset linux-2.6.16.7.new/arch/mips/boot/compressed/utils/offset --- linux-2.6.16.7/arch/mips/boot/compressed/utils/offset 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/utils/offset 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,3 @@ +#!/bin/sh + +echo "0x"`$1 -h $2 | grep $3 | grep -v zvmlinux| awk '{print $6}'` diff -urN linux-2.6.16.7/arch/mips/boot/compressed/utils/size linux-2.6.16.7.new/arch/mips/boot/compressed/utils/size --- linux-2.6.16.7/arch/mips/boot/compressed/utils/size 1970-01-01 01:00:00.000000000 +0100 +++ linux-2.6.16.7.new/arch/mips/boot/compressed/utils/size 2006-05-04 23:08:18.000000000 +0200 @@ -0,0 +1,4 @@ +#!/bin/sh + +OFFSET=`$1 -h $2 | grep $3 | grep -v zvmlinux | awk '{print $3}'` +echo "0x"$OFFSET diff -urN linux-2.6.16.7/arch/mips/boot/Makefile linux-2.6.16.7.new/arch/mips/boot/Makefile --- linux-2.6.16.7/arch/mips/boot/Makefile 2006-04-17 23:53:25.000000000 +0200 +++ linux-2.6.16.7.new/arch/mips/boot/Makefile 2006-05-04 23:08:18.000000000 +0200 @@ -16,6 +16,7 @@ E2EFLAGS = endif + # # Drop some uninteresting sections in the kernel. # This is only relevant for ELF kernels but doesn't hurt a.out @@ -25,7 +26,10 @@ VMLINUX = vmlinux -all: vmlinux.ecoff vmlinux.srec addinitrd +ZBOOT_TARGETS = zImage zImage.flash +bootdir-y := compressed + +all: vmlinux.ecoff vmlinux.srec addinitrd zImage vmlinux.ecoff: $(obj)/elf2ecoff $(VMLINUX) $(obj)/elf2ecoff $(VMLINUX) vmlinux.ecoff $(E2EFLAGS) @@ -51,3 +55,11 @@ vmlinux.bin \ vmlinux.ecoff \ vmlinux.srec + +.PHONY: $(ZBOOT_TARGETS) $(bootdir-y) + +$(ZBOOT_TARGETS): $(bootdir-y) + +$(bootdir-y): $(addprefix $(obj)/,$(subdir-y)) \ + $(addprefix $(obj)/,$(hostprogs-y)) + $(Q)$(MAKE) $(build)=$(obj)/$@ $(MAKECMDGOALS) diff -urN linux-2.6.16.7/arch/mips/Makefile linux-2.6.16.7.new/arch/mips/Makefile --- linux-2.6.16.7/arch/mips/Makefile 2006-04-17 23:53:25.000000000 +0200 +++ linux-2.6.16.7.new/arch/mips/Makefile 2006-05-04 23:09:44.000000000 +0200 @@ -831,6 +831,10 @@ all: vmlinux.ecoff endif +ifdef CONFIG_MIPS_MTX1 +all: vmlinux.srec zImage zImage.flash +endif + vmlinux.bin: $(vmlinux-32) +@$(call makeboot,$@) @@ -840,6 +844,12 @@ vmlinux.srec: $(vmlinux-32) +@$(call makeboot,$@) +zImage: vmlinux + +@$(call makeboot,$@) + +zImage.flash: vmlinux + +@$(call makeboot,$@) + CLEAN_FILES += vmlinux.ecoff \ vmlinux.srec \ vmlinux.rm200.tmp \ @@ -848,6 +858,7 @@ archclean: @$(MAKE) $(clean)=arch/mips/boot @$(MAKE) $(clean)=arch/mips/lasat + @$(MAKE) $(clean)=arch/mips/boot/compressed CLEAN_FILES += vmlinux.32 \ vmlinux.64 \