URL
https://opencores.org/ocsvn/amber/amber/trunk
Subversion Repositories amber
Compare Revisions
- This comparison shows the changes necessary to convert path
/amber/trunk
- from Rev 61 to Rev 62
- ↔ Reverse comparison
Rev 61 → Rev 62
/sw/tools/amber-pkt2mem.c
0,0 → 1,200
/*---------------------------------------------------------------- |
// // |
// amber-bin2mem.c // |
// // |
// This file is part of the Amber project // |
// http://www.opencores.org/project,amber // |
// // |
// Description // |
// Read in a binary file from tcpdump and write it out in // |
// in Verilog readmem format. // |
// // |
// Author(s): // |
// - Conor Santifort, csantifort.amber@gmail.com // |
// // |
////////////////////////////////////////////////////////////////// |
// // |
// Copyright (C) 2010 Authors and OPENCORES.ORG // |
// // |
// This source file may be used and distributed without // |
// restriction provided that this copyright statement is not // |
// removed from the file and that any derivative work contains // |
// the original copyright notice and the associated disclaimer. // |
// // |
// This source file is free software; you can redistribute it // |
// and/or modify it under the terms of the GNU Lesser General // |
// Public License as published by the Free Software Foundation; // |
// either version 2.1 of the License, or (at your option) any // |
// later version. // |
// // |
// This source 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 Lesser General Public License for more // |
// details. // |
// // |
// You should have received a copy of the GNU Lesser General // |
// Public License along with this source; if not, download it // |
// from http://www.opencores.org/lgpl.shtml // |
// // |
----------------------------------------------------------------*/ |
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#include <stdio.h> |
#include <stdlib.h> |
#include "../boot-loader/boot-loader.h" |
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/* Function prototypes */ |
int fsize(FILE *f); |
int conv_hstring(char*, unsigned int*); |
unsigned int buf_uint (unsigned char *buf); |
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int main(int argc,char *argv[]) |
{ |
FILE *infile; |
char filename_mem[80], filename_nopath[80]; |
unsigned char *buf; |
FILE *file_mem; |
int infile_size, buf_size, i, j; |
int ret; |
int buf_pos; |
unsigned int incl_len; |
unsigned int orig_len; |
int mem_pos = 0; |
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if (argc<2){ |
fprintf(stderr, "ERROR: no input file specified. Quitting\n"); |
exit(1); |
} |
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infile=fopen(argv[1],"rb"); |
if(infile==NULL) { |
fprintf(stderr, "ERROR: Can't open %s. Quitting\n", argv[1]); |
exit(1); |
} |
infile_size = fsize(infile); |
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buf=(unsigned char*)malloc(infile_size); |
buf_size=fread(buf,1,infile_size,infile); |
fclose(infile); |
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if ( buf_size != infile_size ) { |
fprintf(stderr, "%s ERROR: Input %s file length is %d bytes long, buffer read buf_size %d\n", |
argv[0], argv[1], infile_size, buf_size); |
exit(1); |
} |
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if ( infile_size > 0x1000000 ) { |
fprintf(stderr, "%s WARNING: Input %s file length is %d bytes long, greater than boot-loader can handle \n", |
argv[0], argv[1], infile_size); |
} |
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/* Start of file */ |
buf_pos = 6*4; |
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/* Main loop. once per packet */ |
while (buf_pos < infile_size) { |
buf_pos=buf_pos+8; |
incl_len = buf_uint(&buf[buf_pos]); buf_pos+=4; |
orig_len = buf_uint(&buf[buf_pos]); buf_pos+=4; |
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/* error check included packet length */ |
if (incl_len != orig_len) { |
fprintf(stderr, "Warning: the full packet was not captured in the tcpdump file\n"); |
fprintf(stderr, "incl_len %d != orig_len %d\n", incl_len, orig_len); |
//goto error_return; |
} |
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/* error check max packet length */ |
if (orig_len > 255) { |
fprintf(stderr, "Error: the packet is too long. Max length is 255 bytes\n"); |
fprintf(stderr, "orig_len %d\n", orig_len); |
goto error_return; |
} |
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/* check if full packet is contained in file */ |
if (buf_pos + incl_len > infile_size) { |
fprintf(stderr, "Error: end of current packet is after the end of the buffer\n"); |
goto error_return; |
} |
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printf("// incl_len %d, orig_len %d\n", incl_len, orig_len); |
printf("// ip-sa %d.%d.%d.%d, ip-da %d.%d.%d.%d, protocol %d\n", |
buf[buf_pos+26], buf[buf_pos+27], buf[buf_pos+28], buf[buf_pos+29], |
buf[buf_pos+30], buf[buf_pos+31], buf[buf_pos+32], buf[buf_pos+33], |
buf[buf_pos+23] |
); |
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/* First byte gives the packet length */ |
printf("@%04x %02x\n", mem_pos++, orig_len); |
for (i=buf_pos;i<buf_pos+incl_len;i++,mem_pos++) { |
printf("@%04x %02x\n", mem_pos, buf[i]); |
} |
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/* pad out any missing bytes */ |
if (orig_len > incl_len) { |
for (i=incl_len;i<orig_len;i++,mem_pos++) { |
printf("@%04x 00\n", mem_pos); |
} |
} |
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/* advance to the start of the next entry */ |
buf_pos += incl_len; |
} |
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free(buf); |
return 0; |
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error_return: |
free(buf); |
return 1; |
} |
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unsigned int buf_uint (unsigned char *buf) |
{ |
return buf[3]<<24 | buf[2]<<16 | buf[1]<<8 | buf[0]; |
} |
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/* Return the buf_size of a file in bytes */ |
int fsize( FILE *f ) |
{ |
int end; |
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/* Set current position at end of file */ |
fseek( f, 0, SEEK_END ); |
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/* File buf_size in bytes */ |
end = ftell( f ); |
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/* Set current position at start of file */ |
fseek( f, 0, SEEK_SET ); |
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return end; |
} |
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int conv_hstring ( char *string, unsigned int * num) |
{ |
int pos = 0; |
*num = 0; |
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while (((string[pos] >= '0' && string[pos] <= '9') || |
(string[pos] >= 'a' && string[pos] <= 'f')) && pos < 9) { |
if (string[pos] >= '0' && string[pos] <= '9') |
*num = (*num << 4) + ( string[pos++] - '0' ); |
else |
*num = (*num << 4) + ( string[pos++] - 'a' ) + 10; |
} |
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return pos; |
} |
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