1 /* Remote debugging interface for Renesas HMS Monitor Version 1.0 2 Copyright 1995, 1996, 1998, 1999, 2000, 2001 3 Free Software Foundation, Inc. 4 Contributed by Cygnus Support. Written by Steve Chamberlain 5 (sac@cygnus.com). 6 7 This file is part of GDB. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 2 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 59 Temple Place - Suite 330, 22 Boston, MA 02111-1307, USA. */ 23 24 #include "defs.h" 25 #include "gdbcore.h" 26 #include "target.h" 27 #include "monitor.h" 28 #include "serial.h" 29 #include "regcache.h" 30 31 static void hms_open (char *args, int from_tty); 32 static void 33 hms_supply_register (char *regname, int regnamelen, char *val, int vallen) 34 { 35 int regno; 36 37 if (regnamelen != 2) 38 return; 39 if (regname[0] != 'P') 40 return; 41 /* We scan off all the registers in one go */ 42 43 val = monitor_supply_register (PC_REGNUM, val); 44 /* Skip the ccr string */ 45 while (*val != '=' && *val) 46 val++; 47 48 val = monitor_supply_register (CCR_REGNUM, val + 1); 49 50 /* Skip up to rest of regs */ 51 while (*val != '=' && *val) 52 val++; 53 54 for (regno = 0; regno < 7; regno++) 55 { 56 val = monitor_supply_register (regno, val + 1); 57 } 58 } 59 60 /* 61 * This array of registers needs to match the indexes used by GDB. The 62 * whole reason this exists is because the various ROM monitors use 63 * different names than GDB does, and don't support all the 64 * registers either. So, typing "info reg sp" becomes a "r30". 65 */ 66 67 static char *hms_regnames[] = 68 { 69 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "PC", "", "", "", "" 70 }; 71 72 /* 73 * Define the monitor command strings. Since these are passed directly 74 * through to a printf style function, we need can include formatting 75 * strings. We also need a CR or LF on the end. 76 */ 77 78 static struct target_ops hms_ops; 79 80 static char *hms_inits[] = 81 {"\003", /* Resets the prompt, and clears repeated cmds */ 82 NULL}; 83 84 static struct monitor_ops hms_cmds; 85 86 static void 87 init_hms_cmds (void) 88 { 89 hms_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_GETMEM_NEEDS_RANGE; 90 hms_cmds.init = hms_inits; /* Init strings */ 91 hms_cmds.cont = "g\r"; /* continue command */ 92 hms_cmds.step = "s\r"; /* single step */ 93 hms_cmds.stop = "\003"; /* ^C interrupts the program */ 94 hms_cmds.set_break = "b %x\r"; /* set a breakpoint */ 95 hms_cmds.clr_break = "b - %x\r"; /* clear a breakpoint */ 96 hms_cmds.clr_all_break = "b -\r"; /* clear all breakpoints */ 97 hms_cmds.fill = "f %x %x %x\r"; /* fill (start end val) */ 98 hms_cmds.setmem.cmdb = "m.b %x=%x\r"; /* setmem.cmdb (addr, value) */ 99 hms_cmds.setmem.cmdw = "m.w %x=%x\r"; /* setmem.cmdw (addr, value) */ 100 hms_cmds.setmem.cmdl = NULL; /* setmem.cmdl (addr, value) */ 101 hms_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ 102 hms_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ 103 hms_cmds.setmem.term = NULL; /* setreg.term */ 104 hms_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ 105 hms_cmds.getmem.cmdb = "m.b %x %x\r"; /* getmem.cmdb (addr, addr) */ 106 hms_cmds.getmem.cmdw = "m.w %x %x\r"; /* getmem.cmdw (addr, addr) */ 107 hms_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, addr) */ 108 hms_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, addr) */ 109 hms_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */ 110 hms_cmds.getmem.term = ">"; /* getmem.term */ 111 hms_cmds.getmem.term_cmd = "\003"; /* getmem.term_cmd */ 112 hms_cmds.setreg.cmd = "r %s=%x\r"; /* setreg.cmd (name, value) */ 113 hms_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ 114 hms_cmds.setreg.term = NULL; /* setreg.term */ 115 hms_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ 116 hms_cmds.getreg.cmd = "r %s\r"; /* getreg.cmd (name) */ 117 hms_cmds.getreg.resp_delim = " ("; /* getreg.resp_delim */ 118 hms_cmds.getreg.term = ":"; /* getreg.term */ 119 hms_cmds.getreg.term_cmd = "\003"; /* getreg.term_cmd */ 120 hms_cmds.dump_registers = "r\r"; /* dump_registers */ 121 hms_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */ 122 hms_cmds.supply_register = hms_supply_register; 123 hms_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */ 124 hms_cmds.load = "tl\r"; /* download command */ 125 hms_cmds.loadresp = NULL; /* load response */ 126 hms_cmds.prompt = ">"; /* monitor command prompt */ 127 hms_cmds.line_term = "\r"; /* end-of-command delimitor */ 128 hms_cmds.cmd_end = NULL; /* optional command terminator */ 129 hms_cmds.target = &hms_ops; /* target operations */ 130 hms_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ 131 hms_cmds.regnames = hms_regnames; /* registers names */ 132 hms_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ 133 } /* init_hms-cmds */ 134 135 static void 136 hms_open (char *args, int from_tty) 137 { 138 monitor_open (args, &hms_cmds, from_tty); 139 } 140 141 int write_dos_tick_delay; 142 143 extern initialize_file_ftype _initialize_remote_hms; /* -Wmissing-prototypes */ 144 145 void 146 _initialize_remote_hms (void) 147 { 148 init_hms_cmds (); 149 init_monitor_ops (&hms_ops); 150 151 hms_ops.to_shortname = "hms"; 152 hms_ops.to_longname = "Renesas Microsystems H8/300 debug monitor"; 153 hms_ops.to_doc = "Debug via the HMS monitor.\n\ 154 Specify the serial device it is connected to (e.g. /dev/ttya)."; 155 hms_ops.to_open = hms_open; 156 /* By trial and error I've found that this delay doesn't break things */ 157 write_dos_tick_delay = 1; 158 add_target (&hms_ops); 159 } 160