2 * Simulator of microcontrollers (cmdutil.cc)
4 * Copyright (C) 1999,99 Drotos Daniel, Talker Bt.
6 * To contact author send email to drdani@mazsola.iit.uni-miskolc.hu
10 /* This file is part of microcontroller simulator: ucsim.
12 UCSIM is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2 of the License, or
15 (at your option) any later version.
17 UCSIM is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with UCSIM; see the file COPYING. If not, write to the Free
24 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
33 #include <sys/types.h>
34 #ifdef HAVE_SYS_SOCKET_H
35 # include <sys/socket.h>
36 # include <netinet/in.h>
37 # include <arpa/inet.h>
47 * Making a socket which can be used to listen for a specified port
52 make_server_socket(unsigned short int port)
55 struct sockaddr_in name;
57 /* Create the socket. */
58 sock= socket(PF_INET, SOCK_STREAM, 0);
65 /* Give the socket a name. */
67 if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char*)&i, sizeof(i)) < 0)
71 name.sin_family = AF_INET;
72 name.sin_port = htons(port);
73 name.sin_addr.s_addr= htonl(INADDR_ANY);
74 if (bind(sock, (struct sockaddr *)&name, sizeof(name)) < 0)
86 * Printing out an integer in binary format
90 print_bin(long data, int bits, FILE *f)
94 mask= mask << ((bits >= 1)?(bits-1):0);
97 fprintf(f, "%c", (data&mask)?'1':'0');
104 * Searching for a name in the specified table
108 get_name_entry(struct name_entry tabl[], char *name, class cl_uc *uc)
113 for (p= name; *p; *p= toupper(*p), p++);
114 while (tabl[i].name &&
115 (!(tabl[i].cpu_type & uc->type) ||
116 (strcmp(tabl[i].name, name) != 0)))
118 if (tabl[i].name != NULL)
126 * Interpreting a bitname
130 interpret_bitname(char *name, class cl_uc *uc,
131 uchar **cell, uchar *celladdr,
132 uchar *bitaddr, uchar *bitmask,
136 char *sym, bitnumstr[2];
137 struct name_entry *ne;
140 if ((dot= strchr(name, '.')) != NULL)
143 if ((ne= get_name_entry(uc->sfr_tbl(), name, uc)) == NULL)
145 *celladdr= strtol(name, &p, 0);
155 if ((*celladdr < 0x20) ||
156 ((*celladdr > 0x2f) && (*celladdr < 0x80)) ||
157 ((*celladdr > 0x7f) && (*celladdr & 0x07)))
159 bitnum= strtol(dot, &p, 0);
164 if (*celladdr > 0x7f)
165 *bitaddr= *celladdr + bitnum;
167 *bitaddr= (*celladdr - 0x20)*8 + bitnum;
173 if ((ne= get_name_entry(uc->bit_tbl(), name, uc)) == NULL)
175 *bitaddr= strtol(name, &p, 0);
183 *celladdr= *bitaddr & 0xf8;
185 *celladdr= (*bitaddr >> 3) + 0x20;
187 // *bitaddr, *celladdr now OK
188 *cell= uc->get_bit/*FIXME*/(*bitaddr);
189 *bitmask= BIT_MASK(*bitaddr);
190 // making symbolic name
194 while (uc->bit_tbl()[i].name &&
195 (uc->bit_tbl()[i].addr != *bitaddr))
197 if (uc->bit_tbl()[i].name)
199 sym= strdup(uc->bit_tbl()[i].name);
204 while (uc->sfr_tbl()[i].name &&
205 (uc->sfr_tbl()[i].addr != *celladdr))
207 if (uc->sfr_tbl()[i].name)
208 sym= strdup(uc->sfr_tbl()[i].name);
211 sym= (char *)malloc(3);
212 sprintf(sym, "%02x", *celladdr);
214 sym= (char *)realloc(sym, strlen(sym)+2);
216 sprintf(bitnumstr, "%1d", *bitaddr & 0x07);
217 strcat(sym, bitnumstr);
224 * Processing escape sequencies in a string
228 proc_escape(char *string, int *len)
230 char spec_chars[]= "fnrtvab";
231 char spec[]= "\f\n\r\t\v\a\b";
235 str= (char *)malloc(strlen(string)+1);
247 if (!isdigit(*(s+1)))
254 char *octal, *chk, data;
256 i= strspn(s, "01234567");
257 octal= (char *)malloc(i+1);
263 data= strtol(octal, &chk, 8);
269 if ((spec_c= strchr(spec_chars, *s)) != NULL)
271 *p++= spec[spec_c-spec_chars];
286 /* End of cmdutil.cc */