1 /* Remote debugging interface for DINK32 (PowerPC) ROM monitor for
3 Copyright 1997 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
27 static void dink32_open
PARAMS ((char *args
, int from_tty
));
30 dink32_supply_register (regname
, regnamelen
, val
, vallen
)
36 int regno
= 0, base
= 0;
38 if (regnamelen
< 2 || regnamelen
> 4)
44 if (regname
[1] < '0' || regname
[1] > '9')
47 regno
= regname
[1] - '0';
48 else if (regnamelen
== 3 && regname
[2] >= '0' && regname
[2] <= '9')
49 regno
= (regname
[1] - '0') * 10 + (regname
[2] - '0');
54 if (regname
[1] != 'R' || regname
[2] < '0' || regname
[2] > '9')
57 regno
= 32 + regname
[2] - '0';
58 else if (regnamelen
== 4 && regname
[3] >= '0' && regname
[3] <= '9')
59 regno
= 32 + (regname
[2] - '0') * 10 + (regname
[3] - '0');
64 if (regnamelen
!= 2 || regname
[1] != 'P')
69 if (regnamelen
!= 3 || regname
[1] != 'S' || regname
[2] != 'R')
74 if (regnamelen
!= 2 || regname
[1] != 'R')
79 if (regnamelen
!= 4 || regname
[1] != 'P' || regname
[2] != 'R')
81 else if (regname
[3] == '8')
83 else if (regname
[3] == '9')
85 else if (regname
[3] == '1')
87 else if (regname
[3] == '0')
96 monitor_supply_register (regno
, val
);
100 dink32_load (monops
, filename
, from_tty
)
101 struct monitor_ops
*monops
;
105 extern int inferior_pid
;
107 generic_load (filename
, from_tty
);
109 /* Finally, make the PC point at the start address */
111 write_pc (bfd_get_start_address (exec_bfd
));
113 inferior_pid
= 0; /* No process now */
117 /* This array of registers needs to match the indexes used by GDB. The
118 whole reason this exists is because the various ROM monitors use
119 different names than GDB does, and don't support all the registers
122 static char *dink32_regnames
[NUM_REGS
] =
124 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
125 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
126 "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
127 "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
129 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
130 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
131 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
132 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
134 "srr0", "msr", "cr", "lr", "ctr", "xer", "xer"
137 static struct target_ops dink32_ops
;
139 static char *dink32_inits
[] = {"\r", NULL
};
141 static struct monitor_ops dink32_cmds
;
144 dink32_open (args
, from_tty
)
148 monitor_open (args
, &dink32_cmds
, from_tty
);
152 _initialize_dink32_rom ()
154 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
;
155 dink32_cmds
.init
= dink32_inits
;
156 dink32_cmds
.cont
= "go +\r";
157 dink32_cmds
.step
= "tr +\r";
158 dink32_cmds
.set_break
= "bp 0x%x\r";
159 dink32_cmds
.clr_break
= "bp %d\r";
160 #if 0 /* Would need to follow strict alignment rules.. */
161 dink32_cmds
.fill
= "mf %x %x %x\r";
163 dink32_cmds
.setmem
.cmdb
= "mm -b %x\r";
164 dink32_cmds
.setmem
.cmdw
= "mm -w %x\r";
165 dink32_cmds
.setmem
.cmdl
= "mm %x\r";
166 dink32_cmds
.setmem
.term
= " ? ";
167 dink32_cmds
.getmem
.cmdb
= "md %x\r";
168 dink32_cmds
.getmem
.resp_delim
= " ";
169 dink32_cmds
.setreg
.cmd
= "rm %s\r";
170 dink32_cmds
.setreg
.term
= " ? ";
171 dink32_cmds
.getreg
.cmd
= "rd %s\r";
172 dink32_cmds
.getreg
.resp_delim
= ": ";
173 dink32_cmds
.dump_registers
= "rd r\r";
174 dink32_cmds
.register_pattern
= "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)";
175 dink32_cmds
.supply_register
= dink32_supply_register
;
176 /* S-record download, via "keyboard port". */
177 dink32_cmds
.load
= "dl -k\r";
178 dink32_cmds
.loadresp
= "Set Input Port : set to Keyboard Port\r";
179 #if 0 /* slow load routine not needed if S-records work... */
180 dink32_cmds
.load_routine
= dink32_load
;
182 dink32_cmds
.prompt
= "DINK32_603 >>";
183 dink32_cmds
.line_term
= "\r";
184 dink32_cmds
.target
= &dink32_ops
;
185 dink32_cmds
.stopbits
= SERIAL_1_STOPBITS
;
186 dink32_cmds
.regnames
= dink32_regnames
;
187 dink32_cmds
.magic
= MONITOR_OPS_MAGIC
;
189 init_monitor_ops (&dink32_ops
);
191 dink32_ops
.to_shortname
= "dink32";
192 dink32_ops
.to_longname
= "DINK32 monitor";
193 dink32_ops
.to_doc
= "Debug using the DINK32 monitor.\n\
194 Specify the serial device it is connected to (e.g. /dev/ttya).";
195 dink32_ops
.to_open
= dink32_open
;
197 add_target (&dink32_ops
);
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