1 /* Remote debugging interface for EST-300 ICE, for GDB 2 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001 3 Free Software Foundation, Inc. 4 Contributed by Cygnus Support. 5 6 Written by Steve Chamberlain for Cygnus Support. 7 Re-written by Stu Grossman of Cygnus Support 8 9 This file is part of GDB. 10 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 2 of the License, or 14 (at your option) any later version. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software 23 Foundation, Inc., 59 Temple Place - Suite 330, 24 Boston, MA 02111-1307, USA. */ 25 26 #include "defs.h" 27 #include "gdbcore.h" 28 #include "target.h" 29 #include "monitor.h" 30 #include "serial.h" 31 #include "regcache.h" 32 33 #include "m68k-tdep.h" 34 35 static void est_open (char *args, int from_tty); 36 37 static void 38 est_supply_register (char *regname, int regnamelen, char *val, int vallen) 39 { 40 int regno; 41 42 if (regnamelen != 2) 43 return; 44 45 switch (regname[0]) 46 { 47 case 'S': 48 if (regname[1] != 'R') 49 return; 50 regno = PS_REGNUM; 51 break; 52 case 'P': 53 if (regname[1] != 'C') 54 return; 55 regno = PC_REGNUM; 56 break; 57 case 'D': 58 if (regname[1] < '0' || regname[1] > '7') 59 return; 60 regno = regname[1] - '0' + M68K_D0_REGNUM; 61 break; 62 case 'A': 63 if (regname[1] < '0' || regname[1] > '7') 64 return; 65 regno = regname[1] - '0' + M68K_A0_REGNUM; 66 break; 67 default: 68 return; 69 } 70 71 monitor_supply_register (regno, val); 72 } 73 74 /* 75 * This array of registers needs to match the indexes used by GDB. The 76 * whole reason this exists is because the various ROM monitors use 77 * different names than GDB does, and don't support all the 78 * registers either. So, typing "info reg sp" becomes a "r30". 79 */ 80 81 static const char * 82 est_regname (int index) 83 { 84 85 static char *regnames[] = 86 { 87 "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", 88 "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", 89 "SR", "PC", 90 }; 91 92 93 if ((index >= (sizeof (regnames) / sizeof (regnames[0]))) 94 || (index < 0) || (index >= NUM_REGS)) 95 return NULL; 96 else 97 return regnames[index]; 98 } 99 100 /* 101 * Define the monitor command strings. Since these are passed directly 102 * through to a printf style function, we need can include formatting 103 * strings. We also need a CR or LF on the end. 104 */ 105 106 static struct target_ops est_ops; 107 108 static char *est_inits[] = 109 {"he\r", /* Resets the prompt, and clears repeated cmds */ 110 NULL}; 111 112 static struct monitor_ops est_cmds; 113 114 static void 115 init_est_cmds (void) 116 { 117 est_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_NEED_REGDUMP_AFTER_CONT | 118 MO_SREC_ACK | MO_SREC_ACK_PLUS; 119 est_cmds.init = est_inits; /* Init strings */ 120 est_cmds.cont = "go\r"; /* continue command */ 121 est_cmds.step = "sidr\r"; /* single step */ 122 est_cmds.stop = "\003"; /* ^C interrupts the program */ 123 est_cmds.set_break = "sb %x\r"; /* set a breakpoint */ 124 est_cmds.clr_break = "rb %x\r"; /* clear a breakpoint */ 125 est_cmds.clr_all_break = "rb\r"; /* clear all breakpoints */ 126 est_cmds.fill = "bfb %x %x %x\r"; /* fill (start end val) */ 127 est_cmds.setmem.cmdb = "smb %x %x\r"; /* setmem.cmdb (addr, value) */ 128 est_cmds.setmem.cmdw = "smw %x %x\r"; /* setmem.cmdw (addr, value) */ 129 est_cmds.setmem.cmdl = "sml %x %x\r"; /* setmem.cmdl (addr, value) */ 130 est_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ 131 est_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ 132 est_cmds.setmem.term = NULL; /* setreg.term */ 133 est_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ 134 est_cmds.getmem.cmdb = "dmb %x %x\r"; /* getmem.cmdb (addr, len) */ 135 est_cmds.getmem.cmdw = "dmw %x %x\r"; /* getmem.cmdw (addr, len) */ 136 est_cmds.getmem.cmdl = "dml %x %x\r"; /* getmem.cmdl (addr, len) */ 137 est_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */ 138 est_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */ 139 est_cmds.getmem.term = NULL; /* getmem.term */ 140 est_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */ 141 est_cmds.setreg.cmd = "sr %s %x\r"; /* setreg.cmd (name, value) */ 142 est_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ 143 est_cmds.setreg.term = NULL; /* setreg.term */ 144 est_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ 145 est_cmds.getreg.cmd = "dr %s\r"; /* getreg.cmd (name) */ 146 est_cmds.getreg.resp_delim = " = "; /* getreg.resp_delim */ 147 est_cmds.getreg.term = NULL; /* getreg.term */ 148 est_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */ 149 est_cmds.dump_registers = "dr\r"; /* dump_registers */ 150 est_cmds.register_pattern = "\\(\\w+\\) = \\([0-9a-fA-F]+\\)"; /* register_pattern */ 151 est_cmds.supply_register = est_supply_register; 152 est_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */ 153 est_cmds.load = "dl\r"; /* download command */ 154 est_cmds.loadresp = "+"; /* load response */ 155 est_cmds.prompt = ">BKM>"; /* monitor command prompt */ 156 est_cmds.line_term = "\r"; /* end-of-line terminator */ 157 est_cmds.cmd_end = NULL; /* optional command terminator */ 158 est_cmds.target = &est_ops; /* target operations */ 159 est_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ 160 est_cmds.regnames = NULL; 161 est_cmds.regname = est_regname; /*register names*/ 162 est_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ 163 } /* init_est_cmds */ 164 165 static void 166 est_open (char *args, int from_tty) 167 { 168 monitor_open (args, &est_cmds, from_tty); 169 } 170 171 extern initialize_file_ftype _initialize_est; /* -Wmissing-prototypes */ 172 173 void 174 _initialize_est (void) 175 { 176 init_est_cmds (); 177 init_monitor_ops (&est_ops); 178 179 est_ops.to_shortname = "est"; 180 est_ops.to_longname = "EST background debug monitor"; 181 est_ops.to_doc = "Debug via the EST BDM.\n\ 182 Specify the serial device it is connected to (e.g. /dev/ttya)."; 183 est_ops.to_open = est_open; 184 185 add_target (&est_ops); 186 } 187