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author | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-06-14 21:49:03 +0000 |
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committer | florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2010-06-14 21:49:03 +0000 |
commit | 26fce8a1fe043e789ed5cbdae6a36e9d6d040ce0 (patch) | |
tree | 5059fd39ccbf1d7e1260e934779a95f90827ac40 /tools/firmware-utils/src/bcmalgo.c | |
parent | 24e475f5ccd8ebbfbc8d45eb7d045493edc84a6b (diff) |
Revert r21806 there are no users of it yet
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21808 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'tools/firmware-utils/src/bcmalgo.c')
-rw-r--r-- | tools/firmware-utils/src/bcmalgo.c | 248 |
1 files changed, 0 insertions, 248 deletions
diff --git a/tools/firmware-utils/src/bcmalgo.c b/tools/firmware-utils/src/bcmalgo.c deleted file mode 100644 index e7d3b113b..000000000 --- a/tools/firmware-utils/src/bcmalgo.c +++ /dev/null @@ -1,248 +0,0 @@ -#include <stdlib.h> -#include <sys/types.h> -#include <stdio.h> -#include <inttypes.h> -#include <string.h> -#include <getopt.h> -#include <unistd.h> -#include <sys/time.h> -#include <sys/stat.h> -#include "bcmalgo.h" - - -#define UTIL_VERSION "0.1" -#define ENDIAN_REVERSE_NEEDED - -uint32_t reverse_endian32 ( uint32_t data ) -{ -#ifdef ENDIAN_REVERSE_NEEDED - return 0 | ( data & 0x000000ff ) << 24 - | ( data & 0x0000ff00 ) << 8 - | ( data & 0x00ff0000 ) >> 8 - | ( data & 0xff000000 ) >> 24; -#else - return data; -#endif -} - -uint16_t reverse_endian16 ( uint16_t data ) -{ -#ifdef ENDIAN_REVERSE_NEEDED - return 0 | ( data & 0x00ff ) << 8 - | ( data & 0xff00 ) >> 8; -#else - return data; -#endif -} - - - -uint32_t get_buffer_crc ( char* filebuffer,size_t size ) -{ - - long crc=0xffffffffL; - long crcxor = 0xffffffffL; - long num4 = 0xffffffffL; - long num5 = size; - long num6 = 0x4c11db7L; - long num7 = 0x80000000L; - int i; - long j; - for ( i = 0; i < ( num5 ); i++ ) - { - long num2 = filebuffer[i]; - for ( j = 0x80L; j != 0L; j = j >> 1 ) - { - long num3 = crc & num7; - crc = crc << 1; - if ( ( num2 & j ) != 0L ) - { - num3 ^= num7; - } - if ( num3 != 0L ) - { - crc ^= num6; - } - } - } - crc ^= crcxor; - crc &= num4; - - uint8_t b1 = ( uint8_t ) ( ( crc & -16777216L ) >> 0x18 ); - uint8_t b2 = ( uint8_t ) ( ( crc & 0xff0000L ) >> 0x10 ); - uint8_t b3 = ( uint8_t ) ( ( crc & 0xff00L ) >> 8 ); - uint8_t b4 = ( uint8_t ) ( crc & 0xffL ); - int32_t crc_result = ( b1 | b2 << 8| b3 << 16| b4 <<24 ); - return reverse_endian32 ( crc_result ); -} - -//Thnx to Vector for the algo. -uint32_t get_file_crc ( char* filename ) -{ - struct stat buf; - stat ( filename,&buf ); - char* filebuffer = malloc ( buf.st_size+10 ); - FILE* fd = fopen ( filename,"r" ); - fread ( filebuffer, 1, buf.st_size,fd ); - fclose ( fd ); - uint32_t crc = get_buffer_crc ( filebuffer,buf.st_size ); - free ( filebuffer ); - return crc; -} - - - -uint16_t get_hcs ( ldr_header_t* hd ) -{ - uint8_t* head = ( uint8_t* ) hd; - uint8_t hcs_minor; - uint8_t hcs_major; - uint16_t n = 0xffff; - uint16_t m = 0; - int state = 0; - int i,j; - for ( i = 0; i < 0x54; i++ ) - { - uint16_t m = head[i]; - m = m << 8; - for ( j = 0; j < 8; j++ ) - { - if ( ( ( n ^ m ) & 0x8000 ) == 0 ) - { - state = 0; - } - else - { - state = 1; - } - n = n << 1; - if ( state ) - { - n ^= 0x1021; - } - m = m << 1; - } - n &= 0xffff; - } - n ^= 0xffff; - hcs_major = ( uint8_t ) ( ( n & 0xff00 ) >> 8 ); - hcs_minor = ( uint8_t ) ( n & 0xff ); - uint16_t hcs = hcs_major <<8 | hcs_minor; - return hcs; -} - -ldr_header_t* construct_header ( uint32_t magic, uint16_t rev_maj,uint16_t rev_min, uint32_t build_date, uint32_t filelen, uint32_t ldaddress, const char* filename, uint32_t crc_data ) -{ - ldr_header_t* hd = malloc ( sizeof ( ldr_header_t ) ); - hd->magic=reverse_endian16 ( magic ); - hd->control=0; //FixMe: Make use of it once compression is around - hd->rev_min = reverse_endian16 ( rev_min ); - hd->rev_maj = reverse_endian16 ( rev_maj ); - hd->build_date = reverse_endian32 ( build_date ); - hd->filelen = reverse_endian32 ( filelen ); - hd->ldaddress = reverse_endian32 ( ldaddress ); - printf ( "Creating header for %s...\n", filename ); - if ( strlen ( filename ) >63 ) - { - printf ( "[!] Filename too long - stripping it to 63 bytes.\n" ); - strncpy ( ( char* ) &hd->filename, filename, 63 ); - hd->filename[63]=0x00; - } - else - { - strcpy ( ( char* ) &hd->filename, filename ); - } - hd->crc=reverse_endian32 ( crc_data ); - hd->hcs = reverse_endian16 ( get_hcs ( hd ) ); - return hd; -} - -static char control_unc[] = "Uncompressed"; -static char control_lz[] = "LZRW1/KH"; -static char control_mlzo[] = "mini-LZO"; -static char control_nrv[] = "NRV2D99 [Bootloader?]"; -static char control_nstdlzma[] = "(non-standard) LZMA"; -static char control_unk[] = "Unknown"; -char* get_control_info ( uint16_t control ) -{ - control = reverse_endian16 ( control ); - switch ( control ) - { - case 0: - return control_unc; - break; - case 1: - return control_lz; - break; - case 2: - return control_mlzo; - break; - case 3: - return control_unc; - break; - case 4: - return control_nrv; - break; - case 5: - return control_nstdlzma; - break; - case 6: - return control_unc; - break; - case 7: - return control_unc; - break; - default: - return control_unk; - break; - } - -} - -int dump_header ( ldr_header_t* hd ) -{ - printf ( "=== Header Information ===\n" ); - printf ( "Header magic:\t0x%04X\n",reverse_endian16 ( hd->magic ) ); - printf ( "Control:\t0x%04X (%s)\n",reverse_endian16 ( hd->control ), get_control_info ( hd->control ) ); - printf ( "Major rev. :\t0x%04X\n",reverse_endian16 ( hd->rev_maj ) ); - printf ( "Minor rev. :\t0x%04X\n",reverse_endian16 ( hd->rev_min ) ); - printf ( "File name :\t%s\n", ( char* ) &hd->filename ); - printf ( "File length:\t%d bytes\n", reverse_endian32 ( hd->filelen ) ); - printf ( "Build time:\t0x%08X //FixMe: print in human-readable form\n", reverse_endian32 ( hd->build_date ) ); //FixMe: - printf ( "HCS:\t\t0x%04X ",reverse_endian16 ( hd->hcs ) ); - uint16_t hcs = get_hcs ( hd ); - int ret=0; - if ( hcs ==reverse_endian16 ( hd->hcs ) ) - { - printf ( "(OK!)\n" ); - } - else - { - printf ( "(ERROR! expected 0x%04X)\n",hcs ); - ret=1; - } -//printf("HCS:\t0x%02X",reverse_endian32(hd->hcs)); - printf ( "Load address:\t0x%08X\n", reverse_endian32 ( hd->ldaddress ) ); //FixMe: - printf ( "HNW:\t\t0x%04X\n",reverse_endian16 ( hd->her_znaet_chto ) ); //Hell knows what - printf ( "CRC:\t\t0x%08X\n",reverse_endian32 ( hd->crc ) ); - printf ( "=== Binary Header Dump===\n" ); - int i,j; - uint8_t* head = ( uint8_t* ) hd; - for ( i=0;i<=sizeof ( ldr_header_t );i++ ) - { - if ( i % 8==0 ) - printf ( "\n" ); - printf ( "0x%02x ",head[i] ); - } - printf ( "\n\n== End Of Header dump ==\n" ); - return ret; -} - - -void print_copyright() -{ - printf ( "Part of bcm-utils package ver. " UTIL_VERSION " \n" ); - printf ( "Copyright (C) 2009 Andrew 'Necromant' Andrianov\n" - "This is free software, and you are welcome to redistribute it\n" - "under certain conditions. See COPYING for details\n" ); -} |