1 /* Remote debugging interface for DINK32 (PowerPC) ROM monitor for
3 Copyright (C) 1997, 1999, 2000, 2001, 2007 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
27 #include "symfile.h" /* For generic_load() */
28 #include "inferior.h" /* For write_pc() */
31 static void dink32_open (char *args, int from_tty);
34 dink32_supply_register (struct regcache *regcache, char *regname,
35 int regnamelen, char *val, int vallen)
39 if (regnamelen < 2 || regnamelen > 4)
45 if (regname[1] < '0' || regname[1] > '9')
48 regno = regname[1] - '0';
49 else if (regnamelen == 3 && regname[2] >= '0' && regname[2] <= '9')
50 regno = (regname[1] - '0') * 10 + (regname[2] - '0');
55 if (regname[1] != 'R' || regname[2] < '0' || regname[2] > '9')
58 regno = 32 + regname[2] - '0';
59 else if (regnamelen == 4 && regname[3] >= '0' && regname[3] <= '9')
60 regno = 32 + (regname[2] - '0') * 10 + (regname[3] - '0');
65 if (regnamelen != 2 || regname[1] != 'P')
70 if (regnamelen != 3 || regname[1] != 'S' || regname[2] != 'R')
75 if (regnamelen != 2 || regname[1] != 'R')
80 if (regnamelen != 4 || regname[1] != 'P' || regname[2] != 'R')
82 else if (regname[3] == '8')
84 else if (regname[3] == '9')
86 else if (regname[3] == '1')
88 else if (regname[3] == '0')
97 monitor_supply_register (regcache, regno, val);
100 /* This array of registers needs to match the indexes used by GDB. The
101 whole reason this exists is because the various ROM monitors use
102 different names than GDB does, and don't support all the registers
105 static char *dink32_regnames[] =
107 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
108 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
109 "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
110 "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
112 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
113 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
114 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
115 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
117 "srr0", "msr", "cr", "lr", "ctr", "xer", "xer"
120 static struct target_ops dink32_ops;
122 static char *dink32_inits[] =
125 static struct monitor_ops dink32_cmds;
128 dink32_open (char *args, int from_tty)
130 monitor_open (args, &dink32_cmds, from_tty);
133 extern initialize_file_ftype _initialize_dink32_rom; /* -Wmissing-prototypes */
136 _initialize_dink32_rom (void)
138 dink32_cmds.flags = MO_HEX_PREFIX | MO_GETMEM_NEEDS_RANGE | MO_FILL_USES_ADDR | MO_HANDLE_NL | MO_32_REGS_PAIRED | MO_SETREG_INTERACTIVE | MO_SETMEM_INTERACTIVE | MO_GETMEM_16_BOUNDARY | MO_CLR_BREAK_1_BASED | MO_SREC_ACK | MO_SREC_ACK_ROTATE;
139 dink32_cmds.init = dink32_inits;
140 dink32_cmds.cont = "go +\r";
141 dink32_cmds.step = "tr +\r";
142 dink32_cmds.set_break = "bp 0x%x\r";
143 dink32_cmds.clr_break = "bp %d\r";
144 #if 0 /* Would need to follow strict alignment rules.. */
145 dink32_cmds.fill = "mf %x %x %x\r";
147 dink32_cmds.setmem.cmdb = "mm -b %x\r";
148 dink32_cmds.setmem.cmdw = "mm -w %x\r";
149 dink32_cmds.setmem.cmdl = "mm %x\r";
150 dink32_cmds.setmem.term = " ? ";
151 dink32_cmds.getmem.cmdb = "md %x\r";
152 dink32_cmds.getmem.resp_delim = " ";
153 dink32_cmds.setreg.cmd = "rm %s\r";
154 dink32_cmds.setreg.term = " ? ";
155 dink32_cmds.getreg.cmd = "rd %s\r";
156 dink32_cmds.getreg.resp_delim = ": ";
157 dink32_cmds.dump_registers = "rd r\r";
158 dink32_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)";
159 dink32_cmds.supply_register = dink32_supply_register;
160 /* S-record download, via "keyboard port". */
161 dink32_cmds.load = "dl -k\r";
162 dink32_cmds.loadresp = "Set Input Port : set to Keyboard Port\r";
163 dink32_cmds.prompt = "DINK32_603 >>";
164 dink32_cmds.line_term = "\r";
165 dink32_cmds.target = &dink32_ops;
166 dink32_cmds.stopbits = SERIAL_1_STOPBITS;
167 dink32_cmds.regnames = dink32_regnames;
168 dink32_cmds.magic = MONITOR_OPS_MAGIC;
170 init_monitor_ops (&dink32_ops);
172 dink32_ops.to_shortname = "dink32";
173 dink32_ops.to_longname = "DINK32 monitor";
174 dink32_ops.to_doc = "Debug using the DINK32 monitor.\n\
175 Specify the serial device it is connected to (e.g. /dev/ttya).";
176 dink32_ops.to_open = dink32_open;
178 add_target (&dink32_ops);