This patch creates FSG-3 image upgradeable from Freecom firmware web interface.
Signed-off-by: Zintis Petersons <[email protected]> diff -ruN ixp4xx.orig/harddisk/base-files/sbin/updating ixp4xx/harddisk/base-files/sbin/updating --- ixp4xx.orig/harddisk/base-files/sbin/updating 1970-01-01 03:00:00.000000000 +0300 +++ ixp4xx/harddisk/base-files/sbin/updating 2009-03-14 08:05:12.000000000 +0200 @@ -0,0 +1,10 @@ +#!/bin/sh + +# new kernel into flash +SIZE=$(ls -l /update/zImage) +set a$SIZE +erase /dev/mtd1 0 12 1 >/dev/null 2>&1 +dd if=/update/zImage of=/dev/mtd1 bs=$5 count=1 +rm -rf /update/zImage + +exit 0 diff -ruN ixp4xx.orig/image/encode_crc/encode_crc.c ixp4xx/image/encode_crc/encode_crc.c --- ixp4xx.orig/image/encode_crc/encode_crc.c 1970-01-01 03:00:00.000000000 +0300 +++ ixp4xx/image/encode_crc/encode_crc.c 2009-03-14 07:24:15.000000000 +0200 @@ -0,0 +1,151 @@ +/* ************************************************************************** + + This program creates a CRC checksum and encodes the file that is named + in the command line. + + Compile with: gcc encode_crc.c -Wall -o encode_crc + + Author: Michael Margraf ([email protected]) + Copyright: Freecom Technology GmbH, Berlin, 2004 + www.freecom.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 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 <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> + +// ******************************************************************* +// CCITT polynom G(x)=x^16+x^12+x^5+1 +#define POLYNOM 0x1021 +#define DEVICE_IS_FSG + +// CRC algorithm with MSB first +int make_crc16(int crc, char new) +{ + int i; + crc = crc ^ (((int)new) << 8); + + for(i=0; i<8; i++) { // work on 8 bits in "new" + crc <<= 1; // MSBs first + if(crc & 0x10000) crc ^= POLYNOM; + } + return crc & 0xFFFF; +} + +// ******************************************************************* +// Reads the file "filename" into memory and returns pointer to the buffer. +static char *readfile(char *filename, int *size) +{ + FILE *fp; + char *buffer; + struct stat info; + + if (stat(filename,&info)!=0) + return NULL; + + if ((fp=fopen(filename,"r"))==NULL) + return NULL; + + buffer=NULL; + for (;;) + { + if ((buffer=(char *)malloc(info.st_size+1))==NULL) + break; + + if (fread(buffer,1,info.st_size,fp)!=info.st_size) + { + free(buffer); + buffer=NULL; + break; + } + + buffer[info.st_size]='\0'; + if(size) *size = info.st_size; + + break; + } + + (void)fclose(fp); + + return buffer; +} + + +// ******************************************************************* +int main(int argc, char** argv) +{ + if(argc < 2) { + printf("ERROR: Argument missing!\n\n"); + return 1; + } + + int count; // size of file in bytes + char *p, *master = readfile(argv[1], &count); + if(!master) { + printf("ERROR: File not found!\n"); + return 1; + } + + int crc = 0xFFFF, z; + + p = master; + for(z=0; z<count; z++) + crc = make_crc16(crc, *(p++)); // calculate CRC + short crc16 = (short)crc; + + /* + if(argc > 2) { // with flag for device recognition ? + p = argv[2]; + for(z=strlen(p); z>0; z--) { + crc ^= (int)(*p); + *(p++) = (char)crc; // encode device flag + } + } + */ + + p = master; + for(z=0; z<count; z++) { + crc ^= (int)(*p); + *(p++) = (char)crc; // encode file + } + + + // write encoded file... + FILE *fp = fopen(argv[1], "w"); + if(!fp) { + printf("ERROR: File not writeable!\n"); + return 1; + } + + if(argc > 2) // add flag for device recognition ? + fwrite(argv[2], strlen(argv[2]), sizeof(char), fp); + + #ifdef DEVICE_IS_FSG + // byte swap (IXP4xx is big endian) + crc16 = ((crc16 >> 8) & 0xFF) | ((crc16 << 8) & 0xFF00); + #endif + fwrite(&crc16, 1, sizeof(short), fp); // first write CRC + + fwrite(master, count, sizeof(char), fp); // write content + fclose(fp); + + free(master); + return 0; +} diff -ruN ixp4xx.orig/image/encode_crc/Makefile ixp4xx/image/encode_crc/Makefile --- ixp4xx.orig/image/encode_crc/Makefile 1970-01-01 03:00:00.000000000 +0300 +++ ixp4xx/image/encode_crc/Makefile 2009-03-14 07:24:27.000000000 +0200 @@ -0,0 +1,7 @@ +all: encode_crc + +encode_crc: encode_crc.o + @gcc encode_crc.c -o encode_crc + +clean: + -rm -f *.elf *.gdb *.o *.s encode_crc diff -ruN ixp4xx.orig/image/Makefile ixp4xx/image/Makefile --- ixp4xx.orig/image/Makefile 2009-02-19 14:12:38.000000000 +0200 +++ ixp4xx/image/Makefile 2009-03-14 11:59:59.000000000 +0200 @@ -20,6 +20,15 @@ -p -o $(BIN_DIR)/openwrt-nslu2-$(1)-16mb.bin endef +define Image/Build/fsg3 + $(CP) $(BIN_DIR)/openwrt-fsg3-zImage $(TARGET_DIR)/zImage + rm -rf $(TARGET_DIR)/{var,jffs,rom} + $(INSTALL_DIR) $(TARGET_DIR)/var + $(TAR) cfz $(BIN_DIR)/openwrt-$(BOARD)-$(2).bin --owner=root --group=root -C $(TARGET_DIR)/ . + $(MAKE) -C encode_crc + ./encode_crc/encode_crc $(BIN_DIR)/openwrt-$(BOARD)-$(2).bin +endef + define Build/Compile mkdir -p $(BIN_DIR) $(MAKE) -C apex \ @@ -58,6 +67,7 @@ $(call prepare_generic_squashfs,$(KDIR)/root.squashfs) dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/openwrt-$(BOARD)-$(1).img bs=131072 conv=sync $(call Image/Build/slug,$(1)) + $(call Image/Build/fsg3,$(1),fsg3-webupgrade,$(1)) endef $(eval $(call BuildImage)) _______________________________________________ openwrt-devel mailing list [email protected] http://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
