/* bsdl_parse.c - BSDL parser for the advanced JTAG bridge
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/* bsdl_parse.c - BSDL parser for the advanced JTAG bridge
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Copyright(C) 2008 Nathan Yawn
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Copyright(C) 2008 Nathan Yawn
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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*/
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#include <stdio.h>
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#include <stdio.h>
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#include <string.h>
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#include <string.h>
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#include <ctype.h> // isspace(), etc.
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#include <ctype.h> // isspace(), etc.
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#include <stdlib.h> // malloc(), strtoul(), etc.
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#include <stdlib.h> // malloc(), strtoul(), etc.
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#include "bsdl.h" // has constants
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#include "bsdl.h" // has constants
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#define debug(...) //fprintf(stderr, __VA_ARGS__ )
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#define debug(...) //fprintf(stderr, __VA_ARGS__ )
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char * strtoupper(char *str);
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char * strtoupper(char *str);
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int get_line(char *filedata, int startpos, char **linedata, int filesize);
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int get_line(char *filedata, int startpos, char **linedata, int filesize);
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char * strchr_s(char *str, char *chars);
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char * strchr_s(char *str, char *chars);
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void parse_opcodes(char *cmdbuf, uint32_t *debug_cmd, uint32_t *user1_cmd, uint32_t *idcode_cmd);
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void parse_opcodes(char *cmdbuf, uint32_t *debug_cmd, uint32_t *user1_cmd, uint32_t *idcode_cmd);
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// We assume that no value will be more than 128 chars
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// We assume that no value will be more than 128 chars
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char tmpbuf[128];
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char tmpbuf[128];
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/////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////
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// API call: extract desired info from 1 BSDL fise
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// API call: extract desired info from 1 BSDL fise
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bsdlinfo *parse_extract_values(char *bsdlfilename)
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bsdlinfo *parse_extract_values(char *bsdlfilename)
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{
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{
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FILE *fd;
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FILE *fd;
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int filesize;
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int filesize;
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bsdlinfo *ret;
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bsdlinfo *ret;
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char *filedata;
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char *filedata;
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char *linedata;
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char *linedata;
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char *token;
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char *token;
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char *last;
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char *last;
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char *cmdbuf;
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char *cmdbuf;
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int filepos = 0;
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int filepos = 0;
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int i,j;
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int i,j;
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char done,valid,opens;
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char done,valid,opens;
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int IR_size = -1;
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int IR_size = -1;
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uint8_t found_IR_size = 0;
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uint8_t found_IR_size = 0;
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uint32_t debug_cmd = TAP_CMD_INVALID;
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uint32_t debug_cmd = TAP_CMD_INVALID;
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uint32_t user1_cmd = TAP_CMD_INVALID;
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uint32_t user1_cmd = TAP_CMD_INVALID;
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uint32_t idcode_cmd = TAP_CMD_INVALID;
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uint32_t idcode_cmd = TAP_CMD_INVALID;
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uint8_t found_cmds = 0;
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uint8_t found_cmds = 0;
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uint32_t idcode = 0;
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uint32_t idcode = 0;
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uint32_t idcode_mask = 0xFFFFFFFF; // 'X' is a valid char in an IDCODE, set 0's here for X's.
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uint32_t idcode_mask = 0xFFFFFFFF; // 'X' is a valid char in an IDCODE, set 0's here for X's.
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uint8_t found_idcode = 0;
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uint8_t found_idcode = 0;
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char *entityname = NULL;
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char *entityname = NULL;
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// Open the file
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// Open the file
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fd = fopen(bsdlfilename, "r");
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fd = fopen(bsdlfilename, "r");
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if(fd == NULL) {
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if(fd == NULL) {
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printf("ERROR: failed to open BSDL file %s\n", bsdlfilename);
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printf("ERROR: failed to open BSDL file %s\n", bsdlfilename);
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return NULL;
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return NULL;
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}
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}
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fseek(fd, 0, SEEK_END);
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fseek(fd, 0, SEEK_END);
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filesize = ftell(fd);
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filesize = ftell(fd);
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fseek(fd, 0, SEEK_SET);
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fseek(fd, 0, SEEK_SET);
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filedata = (char *) malloc(filesize);
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filedata = (char *) malloc(filesize);
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if(filedata == NULL) {
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if(filedata == NULL) {
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printf("ERROR: failed to allocate memory for BSDL file %s\n", bsdlfilename);
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printf("ERROR: failed to allocate memory for BSDL file %s\n", bsdlfilename);
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return NULL;
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return NULL;
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}
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}
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if(fread(filedata, 1, filesize, fd) < filesize) { // 1 long read will be faster than many short ones
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if(fread(filedata, 1, filesize, fd) < filesize) { // 1 long read will be faster than many short ones
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printf("Warning: failed to read entire BSDL file %s\n", bsdlfilename);
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printf("Warning: failed to read entire BSDL file %s\n", bsdlfilename);
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}
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}
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fclose(fd);
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fclose(fd);
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// while there's more data and not all values have been found
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// while there's more data and not all values have been found
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while((filepos < filesize) && (!found_IR_size || !found_cmds || !found_idcode))
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while((filepos < filesize) && (!found_IR_size || !found_cmds || !found_idcode))
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{
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{
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// Get a line. Replace any "--" with a \0 char
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// Get a line. Replace any "--" with a \0 char
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filepos = get_line(filedata, filepos, &linedata, filesize);
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filepos = get_line(filedata, filepos, &linedata, filesize);
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// look for each value
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// look for each value
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token = strtok_r(linedata, " \t", &last);
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token = strtok_r(linedata, " \t", &last);
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if(token == NULL) {
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if(token == NULL) {
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printf("ERROR: End of file reached before END statement is BSDL file \'%s\'\n", bsdlfilename);
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printf("ERROR: End of file reached before END statement is BSDL file \'%s\'\n", bsdlfilename);
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break;
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break;
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}
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}
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if(!strcmp(strtoupper(token), "ENTITY")) {
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if(!strcmp(strtoupper(token), "ENTITY")) {
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// Parse an entity line
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// Parse an entity line
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token = strtok_r(NULL, " \t", &last);
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token = strtok_r(NULL, " \t", &last);
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if(token != NULL) {
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if(token != NULL) {
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entityname = (char *) malloc(strlen(token));
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entityname = (char *) malloc(strlen(token));
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if(entityname != NULL) strcpy(entityname, token);
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if(entityname != NULL) strcpy(entityname, token);
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debug("Found entity \'%s\'\n", entityname);
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debug("Found entity \'%s\'\n", entityname);
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} else {
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} else {
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printf("Parse error near ENTITY token in file %s\n", bsdlfilename);
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printf("Parse error near ENTITY token in file %s\n", bsdlfilename);
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}
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}
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}
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}
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else if(!strcmp(strtoupper(token), "CONSTANT")) {
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else if(!strcmp(strtoupper(token), "CONSTANT")) {
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// Parse a constant declaration...we ignore them, just get lines until we find a ';' char
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// Parse a constant declaration...we ignore them, just get lines until we find a ';' char
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// assume nothing else useful comes on the line after the ';'
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// assume nothing else useful comes on the line after the ';'
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// Slightly awkward, since we have to search the rest of the line after the strtok, then possible
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// Slightly awkward, since we have to search the rest of the line after the strtok, then possible
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// new lines as well.
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// new lines as well.
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token = strtok_r(NULL, " \t", &last); // debug...don't worry about error, token only used in printf
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token = strtok_r(NULL, " \t", &last); // debug...don't worry about error, token only used in printf
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debug("Ignoring constant \'%s\'\n", token); // debug
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debug("Ignoring constant \'%s\'\n", token); // debug
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while(strchr(last, ';') == NULL) {
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while(strchr(last, ';') == NULL) {
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filepos = get_line(filedata, filepos, &last, filesize);
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filepos = get_line(filedata, filepos, &last, filesize);
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}
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}
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}
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}
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else if(!strcmp(strtoupper(token), "GENERIC")) {
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else if(!strcmp(strtoupper(token), "GENERIC")) {
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// Parse a generic declaration...we ignore them, just get lines until we find a ';' char
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// Parse a generic declaration...we ignore them, just get lines until we find a ';' char
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// assume nothing else useful comes on the line after the ';'
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// assume nothing else useful comes on the line after the ';'
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// Slightly awkward, since we have to search the rest of the line after the strtok, then possible
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// Slightly awkward, since we have to search the rest of the line after the strtok, then possible
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// new lines as well.
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// new lines as well.
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token = strtok_r(NULL, " \t", &last); // debug...don't worry about error, token only used in printf
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token = strtok_r(NULL, " \t", &last); // debug...don't worry about error, token only used in printf
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debug("Ignoring generic \'%s\'\n", token); // debug
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debug("Ignoring generic \'%s\'\n", token); // debug
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while(strchr(last, ';') == NULL) {
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while(strchr(last, ';') == NULL) {
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filepos = get_line(filedata, filepos, &last, filesize);
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filepos = get_line(filedata, filepos, &last, filesize);
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}
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}
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}
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}
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else if(!strcmp(strtoupper(token), "USE")) {
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else if(!strcmp(strtoupper(token), "USE")) {
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// Parse a 'use' declaration...we ignore them, just get lines until we find a ';' char
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// Parse a 'use' declaration...we ignore them, just get lines until we find a ';' char
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// assume nothing else useful comes on the line after the ';'
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// assume nothing else useful comes on the line after the ';'
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// Note that there may be no space after the token, so add ';' to the tokenizing list in the debug bits.
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// Note that there may be no space after the token, so add ';' to the tokenizing list in the debug bits.
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// Slightly awkward, since we have to search the rest of the line after the strtok, then possible
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// Slightly awkward, since we have to search the rest of the line after the strtok, then possible
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// new lines as well.
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// new lines as well.
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token = strtok_r(NULL, " \t;", &last); // debug ...don't worry about error, token only used in printf
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token = strtok_r(NULL, " \t;", &last); // debug ...don't worry about error, token only used in printf
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debug("Ignoring use \'%s\'\n", token); // debug
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debug("Ignoring use \'%s\'\n", token); // debug
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while(strchr(last, ';') == NULL) {
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while(strchr(last, ';') == NULL) {
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filepos = get_line(filedata, filepos, &last, filesize);
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filepos = get_line(filedata, filepos, &last, filesize);
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}
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}
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}
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}
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else if(!strcmp(strtoupper(token), "END")) {
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else if(!strcmp(strtoupper(token), "END")) {
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// We're done, whether we've found what we want or not. Eject eject eject...
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// We're done, whether we've found what we want or not. Eject eject eject...
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debug("Found END token, stopping parser\n");
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debug("Found END token, stopping parser\n");
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break;
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break;
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}
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}
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else if(!strcmp(strtoupper(token), "PORT")) {
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else if(!strcmp(strtoupper(token), "PORT")) {
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// Parse a port list. Find a '(', find a ')', find a ';'.
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// Parse a port list. Find a '(', find a ')', find a ';'.
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// Note that "()" pairs may occur in between.
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// Note that "()" pairs may occur in between.
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// 'last' must be set in the first two strchr() calls so that the next strchr() call will
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// 'last' must be set in the first two strchr() calls so that the next strchr() call will
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// begin parsing after the previous char position. Otherwise, e.g. a ';' before the ')' but on the same
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// begin parsing after the previous char position. Otherwise, e.g. a ';' before the ')' but on the same
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// line would (incorrectly) satisfy the search.
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// line would (incorrectly) satisfy the search.
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while((last = strchr(last, '(')) == NULL) {
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while((last = strchr(last, '(')) == NULL) {
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filepos = get_line(filedata, filepos, &last, filesize);
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filepos = get_line(filedata, filepos, &last, filesize);
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}
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}
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opens = 1;
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opens = 1;
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last++; // don't leave 'last' pointing at the '(' char, since we're looking for another
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last++; // don't leave 'last' pointing at the '(' char, since we're looking for another
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do {
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do {
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while((last = strchr_s(last, "()")) == NULL) {
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while((last = strchr_s(last, "()")) == NULL) {
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filepos = get_line(filedata, filepos, &last, filesize); // *** abort if new line is empty
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filepos = get_line(filedata, filepos, &last, filesize); // *** abort if new line is empty
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}
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}
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if(*last == '(') opens++;
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if(*last == '(') opens++;
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else if(*last == ')') opens--;
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else if(*last == ')') opens--;
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last++; // don't leave last pointing at the same "()" char, since we're looking for another
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last++; // don't leave last pointing at the same "()" char, since we're looking for another
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} while(opens);
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} while(opens);
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while(strchr(last, ';') == NULL) {
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while(strchr(last, ';') == NULL) {
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filepos = get_line(filedata, filepos, &last, filesize);
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filepos = get_line(filedata, filepos, &last, filesize);
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}
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}
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debug("Ignored port statement\n");
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debug("Ignored port statement\n");
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}
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}
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else if(!strcmp(strtoupper(token), "ATTRIBUTE")) {
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else if(!strcmp(strtoupper(token), "ATTRIBUTE")) {
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// Parse an attribute
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// Parse an attribute
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token = strtok_r(NULL, " \t", &last); // *** check for error
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token = strtok_r(NULL, " \t", &last); // *** check for error
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if(!strcmp(strtoupper(token), "INSTRUCTION_LENGTH")) {
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if(!strcmp(strtoupper(token), "INSTRUCTION_LENGTH")) {
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// Find ':', then "entity", then "is", then take anything before the ';' as the value
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// Find ':', then "entity", then "is", then take anything before the ';' as the value
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while((last = strchr(last, ':')) == NULL) {
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while((last = strchr(last, ':')) == NULL) {
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filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
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filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
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}
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}
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while((last = strstr(last, "entity")) == NULL) { // don't do strtoupper() here, that would do the entire line
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while((last = strstr(last, "entity")) == NULL) { // don't do strtoupper() here, that would do the entire line
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filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
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filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
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}
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}
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while((last = strstr(last, "is")) == NULL) {
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while((last = strstr(last, "is")) == NULL) {
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filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
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filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
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}
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}
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// scan until the end of the line looking for data
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// scan until the end of the line looking for data
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j = 0;
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j = 0;
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done = 0;
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done = 0;
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while(*last != '\0') {
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while(*last != '\0') {
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if(isdigit(*last)) tmpbuf[j++] = *last;
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if(isdigit(*last)) tmpbuf[j++] = *last;
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else if(*last == ';') { done = 1; break;}
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else if(*last == ';') { done = 1; break;}
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last++;
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last++;
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}
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}
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// May need to go to additional lines
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// May need to go to additional lines
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while(!done) {
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while(!done) {
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filepos = get_line(filedata, filepos, &linedata, filesize); // *** break if linedata has no data
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filepos = get_line(filedata, filepos, &linedata, filesize); // *** break if linedata has no data
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while(*linedata != '\0') {
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while(*linedata != '\0') {
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if(isdigit(*linedata)) tmpbuf[j++] = *linedata;
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if(isdigit(*linedata)) tmpbuf[j++] = *linedata;
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else if(*linedata == ';') { done = 1; break;}
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else if(*linedata == ';') { done = 1; break;}
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linedata++;
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linedata++;
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}
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}
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}
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}
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tmpbuf[j] = '\0';
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tmpbuf[j] = '\0';
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IR_size = strtoul(tmpbuf, NULL, 0);
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IR_size = strtoul(tmpbuf, NULL, 0);
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found_IR_size = 1;
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found_IR_size = 1;
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debug("Found IR size %i (%s)\n", IR_size, tmpbuf);
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debug("Found IR size %i (%s)\n", IR_size, tmpbuf);
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} // end if INSTRUCTION_LENGTH
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} // end if INSTRUCTION_LENGTH
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else if(!strcmp(strtoupper(token), "INSTRUCTION_OPCODE")) {
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else if(!strcmp(strtoupper(token), "INSTRUCTION_OPCODE")) {
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// Find ": entity is"
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// Find ": entity is"
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while((last = strchr(last, ':')) == NULL) {
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while((last = strchr(last, ':')) == NULL) {
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filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
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filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
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}
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}
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while((last = strstr(last, "entity")) == NULL) { // don't do strtoupper() here, that would do the entire line
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while((last = strstr(last, "entity")) == NULL) { // don't do strtoupper() here, that would do the entire line
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filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
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filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
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}
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}
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while((last = strstr(last, "is")) == NULL) {
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while((last = strstr(last, "is")) == NULL) {
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filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
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filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
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}
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}
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// We're going to copy the entire attribute (all commands) into a temp. buffer. We need a big enough buffer,
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// We're going to copy the entire attribute (all commands) into a temp. buffer. We need a big enough buffer,
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// and we can't just scan for ';' to find out because there's a '\0' at the end of this line.
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// and we can't just scan for ';' to find out because there's a '\0' at the end of this line.
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// But, it can't be bigger than the entire rest of the file, so...
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// But, it can't be bigger than the entire rest of the file, so...
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cmdbuf = (char *) malloc(filesize-filepos);
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cmdbuf = (char *) malloc(filesize-filepos);
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// Parse until ';', and grab everything between each pair of "" found
|
// Parse until ';', and grab everything between each pair of "" found
|
// Note that 'last' still points at "is"
|
// Note that 'last' still points at "is"
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j = 0;
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j = 0;
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done = 0;
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done = 0;
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valid = 0;
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valid = 0;
|
while(*last != '\0') {
|
while(*last != '\0') {
|
if(*last == ';') { done = 1; break;} // Put this first in case of badly formed BSDL files
|
if(*last == ';') { done = 1; break;} // Put this first in case of badly formed BSDL files
|
else if(valid && (*last != '\"')) cmdbuf[j++] = *last;
|
else if(valid && (*last != '\"')) cmdbuf[j++] = *last;
|
else if(*last == '\"') valid = !valid;
|
else if(*last == '\"') valid = !valid;
|
last++;
|
last++;
|
}
|
}
|
// May need to go to additional lines
|
// May need to go to additional lines
|
while(!done) {
|
while(!done) {
|
filepos = get_line(filedata, filepos, &linedata, filesize); // *** break if linedata has no data
|
filepos = get_line(filedata, filepos, &linedata, filesize); // *** break if linedata has no data
|
while(*linedata != '\0') {
|
while(*linedata != '\0') {
|
if(valid && (*linedata != '\"')) cmdbuf[j++] = *linedata;
|
if(valid && (*linedata != '\"')) cmdbuf[j++] = *linedata;
|
else if(*linedata == '\"') valid = !valid;
|
else if(*linedata == '\"') valid = !valid;
|
else if(*linedata == ';') { done = 1; break;}
|
else if(*linedata == ';') { done = 1; break;}
|
linedata++;
|
linedata++;
|
}
|
}
|
}
|
}
|
cmdbuf[j] = '\0';
|
cmdbuf[j] = '\0';
|
|
|
// Parse the opcodes attribute. This is an exercise unto itself, so do it in another function.
|
// Parse the opcodes attribute. This is an exercise unto itself, so do it in another function.
|
parse_opcodes(cmdbuf, &debug_cmd, &user1_cmd, &idcode_cmd);
|
parse_opcodes(cmdbuf, &debug_cmd, &user1_cmd, &idcode_cmd);
|
found_cmds = 1;
|
found_cmds = 1;
|
free(cmdbuf);
|
free(cmdbuf);
|
|
|
} // end if INSTRUCTION_OPCODE
|
} // end if INSTRUCTION_OPCODE
|
|
|
else if(!strcmp(strtoupper(token), "IDCODE_REGISTER")) {
|
else if(!strcmp(strtoupper(token), "IDCODE_REGISTER")) {
|
// Find : entity is
|
// Find : entity is
|
while((last = strchr(last, ':')) == NULL) {
|
while((last = strchr(last, ':')) == NULL) {
|
filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
|
filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
|
}
|
}
|
while((last = strstr(last, "entity")) == NULL) { // don't do strtoupper() here, that would do the entire line
|
while((last = strstr(last, "entity")) == NULL) { // don't do strtoupper() here, that would do the entire line
|
filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
|
filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
|
}
|
}
|
while((last = strstr(last, "is")) == NULL) {
|
while((last = strstr(last, "is")) == NULL) {
|
filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
|
filepos = get_line(filedata, filepos, &last, filesize); // *** check last actually has data?
|
}
|
}
|
|
|
// Parse until ';', and grab everything between each pair of "" found
|
// Parse until ';', and grab everything between each pair of "" found
|
// Note that 'last' still points at "is"
|
// Note that 'last' still points at "is"
|
j = 0;
|
j = 0;
|
done = 0;
|
done = 0;
|
valid = 0;
|
valid = 0;
|
while(*last != '\0') {
|
while(*last != '\0') {
|
if(*last == ';') { done = 1; break;} // Put this first in case of badly formed BSDL files
|
if(*last == ';') { done = 1; break;} // Put this first in case of badly formed BSDL files
|
else if(valid && (*last != '\"')) tmpbuf[j++] = *last;
|
else if(valid && (*last != '\"')) tmpbuf[j++] = *last;
|
else if(*last == '\"') valid = !valid;
|
else if(*last == '\"') valid = !valid;
|
last++;
|
last++;
|
}
|
}
|
// May need to go to additional lines
|
// May need to go to additional lines
|
while(!done) {
|
while(!done) {
|
filepos = get_line(filedata, filepos, &linedata, filesize); // *** break if linedata has no data
|
filepos = get_line(filedata, filepos, &linedata, filesize); // *** break if linedata has no data
|
while(*linedata != '\0') {
|
while(*linedata != '\0') {
|
if(valid && (*linedata != '\"')) tmpbuf[j++] = *linedata;
|
if(valid && (*linedata != '\"')) tmpbuf[j++] = *linedata;
|
else if(*linedata == '\"') valid = !valid;
|
else if(*linedata == '\"') valid = !valid;
|
else if(*linedata == ';') { done = 1; break;}
|
else if(*linedata == ';') { done = 1; break;}
|
linedata++;
|
linedata++;
|
}
|
}
|
}
|
}
|
tmpbuf[j] = '\0';
|
tmpbuf[j] = '\0';
|
|
|
// Parse the tmpbuf
|
// Parse the tmpbuf
|
if(j != 32) printf("Warning: found %i chars (expected 32) while getting IDCODE in BSDL file %s.\n", j, bsdlfilename); // Sanity check
|
if(j != 32) printf("Warning: found %i chars (expected 32) while getting IDCODE in BSDL file %s.\n", j, bsdlfilename); // Sanity check
|
debug("Got IDCODE string \'%s\'\n", tmpbuf);
|
debug("Got IDCODE string \'%s\'\n", tmpbuf);
|
for(i = 0; i < j; i++) {
|
for(i = 0; i < j; i++) {
|
if(tmpbuf[i] == '1') idcode |= 0x1<<(31-i);
|
if(tmpbuf[i] == '1') idcode |= 0x1<<(31-i);
|
else if(toupper(tmpbuf[i]) == 'X') idcode_mask &= ~(0x1<<(31-i));
|
else if(toupper(tmpbuf[i]) == 'X') idcode_mask &= ~(0x1<<(31-i));
|
}
|
}
|
debug("Found IDCODE 0x%08X (%s), mask is 0x%08X\n", idcode, tmpbuf, idcode_mask);
|
debug("Found IDCODE 0x%08X (%s), mask is 0x%08X\n", idcode, tmpbuf, idcode_mask);
|
found_idcode = 1;
|
found_idcode = 1;
|
|
|
} // end if IDCODE_REGISTER
|
} // end if IDCODE_REGISTER
|
|
|
else {
|
else {
|
debug("Ignoring attribute \'%s\'\n", token);
|
debug("Ignoring attribute \'%s\'\n", token);
|
// Consume chars until ';' found
|
// Consume chars until ';' found
|
while(strchr(last, ';') == NULL) {
|
while(strchr(last, ';') == NULL) {
|
filepos = get_line(filedata, filepos, &last, filesize);
|
filepos = get_line(filedata, filepos, &last, filesize);
|
}
|
}
|
}
|
}
|
}
|
}
|
else {
|
else {
|
debug("Unknown token \'%s\' found in BSDL file %s\n", token, bsdlfilename);
|
debug("Unknown token \'%s\' found in BSDL file %s\n", token, bsdlfilename);
|
}
|
}
|
}
|
}
|
|
|
free(filedata);
|
free(filedata);
|
|
|
// Put the data in a struct for return and storage
|
// Put the data in a struct for return and storage
|
ret = (bsdlinfo *) malloc(sizeof(bsdlinfo));
|
ret = (bsdlinfo *) malloc(sizeof(bsdlinfo));
|
if(ret == NULL) {
|
if(ret == NULL) {
|
printf("Error: out of memory, unable to store BSDL info for file %s\n", bsdlfilename);
|
printf("Error: out of memory, unable to store BSDL info for file %s\n", bsdlfilename);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
ret->name = entityname; // this was malloc'd, so it's persistant, this is safe
|
ret->name = entityname; // this was malloc'd, so it's persistant, this is safe
|
ret->idcode = idcode;
|
ret->idcode = idcode;
|
ret->idcode_mask = idcode_mask;
|
ret->idcode_mask = idcode_mask;
|
ret->IR_size = IR_size;
|
ret->IR_size = IR_size;
|
ret->cmd_debug = debug_cmd;
|
ret->cmd_debug = debug_cmd;
|
ret->cmd_user1 = user1_cmd;
|
ret->cmd_user1 = user1_cmd;
|
ret->cmd_idcode = idcode_cmd;
|
ret->cmd_idcode = idcode_cmd;
|
ret->next = NULL;
|
ret->next = NULL;
|
|
|
return ret;
|
return ret;
|
}
|
}
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////////////////////////////////
|
// Local / helper functions
|
// Local / helper functions
|
|
|
|
|
// Returns 1 line from a complete file buffer pointed to by *filedata. Removes leading
|
// Returns 1 line from a complete file buffer pointed to by *filedata. Removes leading
|
// whitespace, ignores comment lines, removes trailing comments (comments denoted by "--")
|
// whitespace, ignores comment lines, removes trailing comments (comments denoted by "--")
|
// startpos: index in filedata[] to start looking for a new line.
|
// startpos: index in filedata[] to start looking for a new line.
|
// linedata: set to point to the first char of the new line.
|
// linedata: set to point to the first char of the new line.
|
// filesize: used so we don't go past the end of filedata[]
|
// filesize: used so we don't go past the end of filedata[]
|
// The return value is the first index after the returned line. This may be 1 past the end of the buffer.
|
// The return value is the first index after the returned line. This may be 1 past the end of the buffer.
|
int get_line(char *filedata, int startpos, char **linedata, int filesize)
|
int get_line(char *filedata, int startpos, char **linedata, int filesize)
|
{
|
{
|
int lineidx = startpos;
|
int lineidx = startpos;
|
unsigned char loop;
|
unsigned char loop;
|
char *commentptr;
|
char *commentptr;
|
|
|
do {
|
do {
|
loop = 0;
|
loop = 0;
|
while(isspace(filedata[lineidx]) && (lineidx < filesize)) lineidx++; // burn leading whitespace chars
|
while(isspace(filedata[lineidx]) && (lineidx < filesize)) lineidx++; // burn leading whitespace chars
|
|
|
if(lineidx >= (filesize-1)) { // We look at the data at lineidx and lineidx+1...don't look at invalid offsets.
|
if(lineidx >= (filesize-1)) { // We look at the data at lineidx and lineidx+1...don't look at invalid offsets.
|
lineidx = filesize-1;
|
lineidx = filesize-1;
|
break;
|
break;
|
}
|
}
|
|
|
if((filedata[lineidx] == '-') && (filedata[lineidx+1] == '-'))
|
if((filedata[lineidx] == '-') && (filedata[lineidx+1] == '-'))
|
{ // then this is a full-line comment, with no useful data
|
{ // then this is a full-line comment, with no useful data
|
while(((filedata[lineidx] != '\n') && (filedata[lineidx] != '\r')) && (lineidx < filesize))
|
while(((filedata[lineidx] != '\n') && (filedata[lineidx] != '\r')) && (lineidx < filesize))
|
lineidx++; // burn comment line up to CR/LF
|
lineidx++; // burn comment line up to CR/LF
|
loop = 1;
|
loop = 1;
|
}
|
}
|
} while(loop);
|
} while(loop);
|
|
|
// Set the line pointer
|
// Set the line pointer
|
*linedata = &filedata[lineidx];
|
*linedata = &filedata[lineidx];
|
|
|
// Put a NULL char at the newline
|
// Put a NULL char at the newline
|
while(!iscntrl(filedata[lineidx]) && (lineidx < filesize)) lineidx++;
|
while(!iscntrl(filedata[lineidx]) && (lineidx < filesize)) lineidx++;
|
if(lineidx >= filesize) { // Don't write past the end of the array.
|
if(lineidx >= filesize) { // Don't write past the end of the array.
|
lineidx = filesize-1;
|
lineidx = filesize-1;
|
}
|
}
|
filedata[lineidx] = '\0';
|
filedata[lineidx] = '\0';
|
|
|
// Put a NULL at the first "--" string, if any
|
// Put a NULL at the first "--" string, if any
|
commentptr = strstr(*linedata, "--");
|
commentptr = strstr(*linedata, "--");
|
if(commentptr != NULL) *commentptr = '\0';
|
if(commentptr != NULL) *commentptr = '\0';
|
|
|
return lineidx+1;
|
return lineidx+1;
|
}
|
}
|
|
|
|
|
// In-place string capitalizer
|
// In-place string capitalizer
|
char * strtoupper(char *str)
|
char * strtoupper(char *str)
|
{
|
{
|
int i = 0;
|
int i = 0;
|
|
|
while(str[i] != '\0') {
|
while(str[i] != '\0') {
|
str[i] = toupper(str[i]);
|
str[i] = toupper(str[i]);
|
i++;
|
i++;
|
}
|
}
|
|
|
return str;
|
return str;
|
}
|
}
|
|
|
// Searches a string 'str' for the first occurance of any
|
// Searches a string 'str' for the first occurance of any
|
// character in the string 'chars'. Returns a pointer to
|
// character in the string 'chars'. Returns a pointer to
|
// the char in 'str' if one is found, returns NULL if
|
// the char in 'str' if one is found, returns NULL if
|
// none of the chars in 'chars' are present in 'str'.
|
// none of the chars in 'chars' are present in 'str'.
|
char * strchr_s(char *str, char *chars)
|
char * strchr_s(char *str, char *chars)
|
{
|
{
|
int slen = strlen(chars);
|
int slen = strlen(chars);
|
char *ptr = str;
|
char *ptr = str;
|
int i;
|
int i;
|
|
|
while(*ptr != '\0') {
|
while(*ptr != '\0') {
|
for(i = 0; i < slen; i++) {
|
for(i = 0; i < slen; i++) {
|
if(*ptr == chars[i])
|
if(*ptr == chars[i])
|
return ptr;
|
return ptr;
|
}
|
}
|
ptr++;
|
ptr++;
|
}
|
}
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
|
|
// Parses a string with command name / opcode pairs of the format
|
// Parses a string with command name / opcode pairs of the format
|
// EXTEST (1111000000),SAMPLE (1111000001), [...]
|
// EXTEST (1111000000),SAMPLE (1111000001), [...]
|
// There may or may not be a space between the name and the open paren.
|
// There may or may not be a space between the name and the open paren.
|
// We do not assume a comma after the last close paren.
|
// We do not assume a comma after the last close paren.
|
#define TARGET_DEBUG 1
|
#define TARGET_DEBUG 1
|
#define TARGET_USER1 2
|
#define TARGET_USER1 2
|
#define TARGET_IDCODE 3
|
#define TARGET_IDCODE 3
|
void parse_opcodes(char *cmdbuf, uint32_t *debug_cmd, uint32_t *user1_cmd, uint32_t *idcode_cmd)
|
void parse_opcodes(char *cmdbuf, uint32_t *debug_cmd, uint32_t *user1_cmd, uint32_t *idcode_cmd)
|
{
|
{
|
char *saveptr = NULL;
|
char *saveptr = NULL;
|
char *cmd;
|
char *cmd;
|
char *token;
|
char *token;
|
char *saveptr2;
|
char *saveptr2;
|
int target;
|
int target;
|
int opcode;
|
int opcode;
|
|
|
cmd = strtok_r(cmdbuf, ",", &saveptr);
|
cmd = strtok_r(cmdbuf, ",", &saveptr);
|
while(cmd != NULL)
|
while(cmd != NULL)
|
{
|
{
|
// 'cmd' should now have one pair in the form "EXTEST (1111000000)"
|
// 'cmd' should now have one pair in the form "EXTEST (1111000000)"
|
target = 0;
|
target = 0;
|
token = strtok_r(cmd, " \t(", &saveptr2);
|
token = strtok_r(cmd, " \t(", &saveptr2);
|
if(!strcmp(strtoupper(token), "DEBUG")) {
|
if(!strcmp(strtoupper(token), "DEBUG")) {
|
target = TARGET_DEBUG;
|
target = TARGET_DEBUG;
|
debug("Found DEBUG opcode: ");
|
debug("Found DEBUG opcode: ");
|
}
|
}
|
else if(!strcmp(strtoupper(token), "USER1")) {
|
else if(!strcmp(strtoupper(token), "USER1")) {
|
target = TARGET_USER1;
|
target = TARGET_USER1;
|
debug("Found USER1 opcode:");
|
debug("Found USER1 opcode:");
|
}
|
}
|
else if(!strcmp(strtoupper(token), "IDCODE")) {
|
else if(!strcmp(strtoupper(token), "IDCODE")) {
|
target = TARGET_IDCODE;
|
target = TARGET_IDCODE;
|
debug("Found IDCODE opcode: ");
|
debug("Found IDCODE opcode: ");
|
}
|
}
|
|
|
if(target) { // don't parse opcode number unless necessary
|
if(target) { // don't parse opcode number unless necessary
|
token = strtok_r(NULL, " \t()", &saveptr2);
|
token = strtok_r(NULL, " \t()", &saveptr2);
|
if(token != NULL) {
|
if(token != NULL) {
|
opcode = strtoul(token, NULL, 2); // *** Test for errors
|
opcode = strtoul(token, NULL, 2); // *** Test for errors
|
debug("0x%X (%s)\n", opcode, token);
|
debug("0x%X (%s)\n", opcode, token);
|
|
|
if(target == TARGET_DEBUG) *debug_cmd = opcode;
|
if(target == TARGET_DEBUG) *debug_cmd = opcode;
|
else if(target == TARGET_USER1) *user1_cmd = opcode;
|
else if(target == TARGET_USER1) *user1_cmd = opcode;
|
else if(target == TARGET_IDCODE) *idcode_cmd = opcode;
|
else if(target == TARGET_IDCODE) *idcode_cmd = opcode;
|
}
|
}
|
else {
|
else {
|
printf("Error: failed to find opcode value after identifier.\n");
|
printf("Error: failed to find opcode value after identifier.\n");
|
}
|
}
|
}
|
}
|
|
|
cmd = strtok_r(NULL, ",", &saveptr);
|
cmd = strtok_r(NULL, ",", &saveptr);
|
}
|
}
|
|
|
|
|
}
|
}
|
|
|
