| 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 | #define CCR_REGNUM 8 |
| 32 | |
| 33 | static void hms_open (char *args, int from_tty); |
| 34 | static void |
| 35 | hms_supply_register (char *regname, int regnamelen, char *val, int vallen) |
| 36 | { |
| 37 | int regno; |
| 38 | |
| 39 | if (regnamelen != 2) |
| 40 | return; |
| 41 | if (regname[0] != 'P') |
| 42 | return; |
| 43 | /* We scan off all the registers in one go */ |
| 44 | |
| 45 | val = monitor_supply_register (PC_REGNUM, val); |
| 46 | /* Skip the ccr string */ |
| 47 | while (*val != '=' && *val) |
| 48 | val++; |
| 49 | |
| 50 | val = monitor_supply_register (CCR_REGNUM, val + 1); |
| 51 | |
| 52 | /* Skip up to rest of regs */ |
| 53 | while (*val != '=' && *val) |
| 54 | val++; |
| 55 | |
| 56 | for (regno = 0; regno < 7; regno++) |
| 57 | { |
| 58 | val = monitor_supply_register (regno, val + 1); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | /* |
| 63 | * This array of registers needs to match the indexes used by GDB. The |
| 64 | * whole reason this exists is because the various ROM monitors use |
| 65 | * different names than GDB does, and don't support all the |
| 66 | * registers either. So, typing "info reg sp" becomes a "r30". |
| 67 | */ |
| 68 | |
| 69 | static char *hms_regnames[] = |
| 70 | { |
| 71 | "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "PC", "", "", "", "" |
| 72 | }; |
| 73 | |
| 74 | /* |
| 75 | * Define the monitor command strings. Since these are passed directly |
| 76 | * through to a printf style function, we need can include formatting |
| 77 | * strings. We also need a CR or LF on the end. |
| 78 | */ |
| 79 | |
| 80 | static struct target_ops hms_ops; |
| 81 | |
| 82 | static char *hms_inits[] = |
| 83 | {"\003", /* Resets the prompt, and clears repeated cmds */ |
| 84 | NULL}; |
| 85 | |
| 86 | static struct monitor_ops hms_cmds; |
| 87 | |
| 88 | static void |
| 89 | init_hms_cmds (void) |
| 90 | { |
| 91 | hms_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_GETMEM_NEEDS_RANGE; |
| 92 | hms_cmds.init = hms_inits; /* Init strings */ |
| 93 | hms_cmds.cont = "g\r"; /* continue command */ |
| 94 | hms_cmds.step = "s\r"; /* single step */ |
| 95 | hms_cmds.stop = "\003"; /* ^C interrupts the program */ |
| 96 | hms_cmds.set_break = "b %x\r"; /* set a breakpoint */ |
| 97 | hms_cmds.clr_break = "b - %x\r"; /* clear a breakpoint */ |
| 98 | hms_cmds.clr_all_break = "b -\r"; /* clear all breakpoints */ |
| 99 | hms_cmds.fill = "f %x %x %x\r"; /* fill (start end val) */ |
| 100 | hms_cmds.setmem.cmdb = "m.b %x=%x\r"; /* setmem.cmdb (addr, value) */ |
| 101 | hms_cmds.setmem.cmdw = "m.w %x=%x\r"; /* setmem.cmdw (addr, value) */ |
| 102 | hms_cmds.setmem.cmdl = NULL; /* setmem.cmdl (addr, value) */ |
| 103 | hms_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ |
| 104 | hms_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ |
| 105 | hms_cmds.setmem.term = NULL; /* setreg.term */ |
| 106 | hms_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ |
| 107 | hms_cmds.getmem.cmdb = "m.b %x %x\r"; /* getmem.cmdb (addr, addr) */ |
| 108 | hms_cmds.getmem.cmdw = "m.w %x %x\r"; /* getmem.cmdw (addr, addr) */ |
| 109 | hms_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, addr) */ |
| 110 | hms_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, addr) */ |
| 111 | hms_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */ |
| 112 | hms_cmds.getmem.term = ">"; /* getmem.term */ |
| 113 | hms_cmds.getmem.term_cmd = "\003"; /* getmem.term_cmd */ |
| 114 | hms_cmds.setreg.cmd = "r %s=%x\r"; /* setreg.cmd (name, value) */ |
| 115 | hms_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ |
| 116 | hms_cmds.setreg.term = NULL; /* setreg.term */ |
| 117 | hms_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ |
| 118 | hms_cmds.getreg.cmd = "r %s\r"; /* getreg.cmd (name) */ |
| 119 | hms_cmds.getreg.resp_delim = " ("; /* getreg.resp_delim */ |
| 120 | hms_cmds.getreg.term = ":"; /* getreg.term */ |
| 121 | hms_cmds.getreg.term_cmd = "\003"; /* getreg.term_cmd */ |
| 122 | hms_cmds.dump_registers = "r\r"; /* dump_registers */ |
| 123 | hms_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */ |
| 124 | hms_cmds.supply_register = hms_supply_register; |
| 125 | hms_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */ |
| 126 | hms_cmds.load = "tl\r"; /* download command */ |
| 127 | hms_cmds.loadresp = NULL; /* load response */ |
| 128 | hms_cmds.prompt = ">"; /* monitor command prompt */ |
| 129 | hms_cmds.line_term = "\r"; /* end-of-command delimitor */ |
| 130 | hms_cmds.cmd_end = NULL; /* optional command terminator */ |
| 131 | hms_cmds.target = &hms_ops; /* target operations */ |
| 132 | hms_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ |
| 133 | hms_cmds.regnames = hms_regnames; /* registers names */ |
| 134 | hms_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ |
| 135 | } /* init_hms-cmds */ |
| 136 | |
| 137 | static void |
| 138 | hms_open (char *args, int from_tty) |
| 139 | { |
| 140 | monitor_open (args, &hms_cmds, from_tty); |
| 141 | } |
| 142 | |
| 143 | int write_dos_tick_delay; |
| 144 | |
| 145 | extern initialize_file_ftype _initialize_remote_hms; /* -Wmissing-prototypes */ |
| 146 | |
| 147 | void |
| 148 | _initialize_remote_hms (void) |
| 149 | { |
| 150 | init_hms_cmds (); |
| 151 | init_monitor_ops (&hms_ops); |
| 152 | |
| 153 | hms_ops.to_shortname = "hms"; |
| 154 | hms_ops.to_longname = "Renesas Microsystems H8/300 debug monitor"; |
| 155 | hms_ops.to_doc = "Debug via the HMS monitor.\n\ |
| 156 | Specify the serial device it is connected to (e.g. /dev/ttya)."; |
| 157 | hms_ops.to_open = hms_open; |
| 158 | /* By trial and error I've found that this delay doesn't break things */ |
| 159 | write_dos_tick_delay = 1; |
| 160 | add_target (&hms_ops); |
| 161 | } |