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50e183a2 | 1 | /* Remote target glue for the WinBond ROM monitor running on the "Cougar" |
3da4297e | 2 | W89k eval board. |
50e183a2 | 3 | |
50e183a2 RS |
4 | Copyright 1988, 1991, 1992, 1993, 1994 Free Software Foundation, Inc. |
5 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
21 | ||
e8b73ba7 RS |
22 | #include "defs.h" |
23 | #include "gdbcore.h" | |
24 | #include "target.h" | |
25 | #include "monitor.h" | |
3da4297e | 26 | #include "serial.h" |
e8b73ba7 | 27 | |
3da4297e | 28 | static void w89k_open PARAMS ((char *args, int from_tty)); |
27e889bf RS |
29 | |
30 | /* | |
31 | * this array of registers need to match the indexes used by GDB. The | |
32 | * whole reason this exists is cause the various ROM monitors use | |
33 | * different strings than GDB does, and doesn't support all the | |
34 | * registers either. So, typing "info reg sp" becomes a "r30". | |
35 | */ | |
3da4297e SG |
36 | static char *w89k_regnames[NUM_REGS] = |
37 | { | |
38 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
39 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", | |
40 | "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", | |
41 | "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", | |
42 | "SAR", "PC", NULL, NULL, NULL, "EIEM", "IIR", "IVA", | |
43 | "IOR", "IPSW", NULL, NULL, NULL, NULL, NULL, | |
44 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, | |
45 | "CCR", NULL, NULL, "TR0", "TR1", | |
27e889bf | 46 | }; |
e8b73ba7 | 47 | |
7952bce6 SG |
48 | static void |
49 | w89k_supply_register (regname, regnamelen, val, vallen) | |
50 | char *regname; | |
51 | int regnamelen; | |
52 | char *val; | |
53 | int vallen; | |
54 | { | |
55 | int numregs; | |
56 | int regno; | |
57 | ||
58 | numregs = 1; | |
59 | regno = -1; | |
60 | ||
61 | if (regnamelen == 2) | |
62 | switch (regname[0]) | |
63 | { | |
64 | case 'r': | |
65 | numregs = 4; | |
66 | switch (regname[1]) | |
67 | { | |
68 | case '0': | |
69 | regno = R0_REGNUM; | |
70 | break; | |
71 | case '4': | |
72 | regno = R0_REGNUM + 4; | |
73 | break; | |
74 | case '8': | |
75 | regno = R0_REGNUM + 8; | |
76 | break; | |
77 | } | |
78 | break; | |
79 | case 'P': | |
80 | if (regname[1] == 'C') | |
81 | regno = PC_REGNUM; | |
82 | break; | |
83 | } | |
84 | else if (regnamelen == 3) | |
85 | switch (regname[0]) | |
86 | { | |
87 | case 'r': | |
88 | numregs = 4; | |
89 | if (regname[1] == '1' && regname[2] == '2') | |
90 | regno = R0_REGNUM + 12; | |
91 | else if (regname[1] == '1' && regname[2] == '6') | |
92 | regno = R0_REGNUM + 16; | |
93 | else if (regname[1] == '2' && regname[2] == '0') | |
94 | regno = R0_REGNUM + 20; | |
95 | else if (regname[1] == '2' && regname[2] == '4') | |
96 | regno = R0_REGNUM + 24; | |
97 | else if (regname[1] == '2' && regname[2] == '8') | |
98 | regno = R0_REGNUM + 28; | |
99 | break; | |
100 | case 'R': | |
101 | if (regname[1] == 'C' && regname[2] == 'R') | |
102 | regno = RCR_REGNUM; | |
103 | break; | |
104 | case 'C': | |
105 | if (regname[1] == 'C' && regname[2] == 'R') | |
106 | regno = CCR_REGNUM; | |
107 | break; | |
108 | case 'S': | |
109 | if (regname[1] == 'A' && regname[2] == 'R') | |
110 | regno = SAR_REGNUM; | |
111 | break; | |
112 | case 'I': | |
113 | if (regname[1] == 'I' && regname[2] == 'R') | |
114 | regno = IIR_REGNUM; | |
115 | else if (regname[1] == 'O' && regname[2] == 'R') | |
116 | regno = IOR_REGNUM; | |
117 | break; | |
118 | case 'T': | |
119 | numregs = 4; | |
120 | if (regname[1] == 'R') | |
121 | if (regname[2] == '0') | |
122 | regno = TR0_REGNUM; | |
123 | else if (regname[2] == '4') | |
124 | regno = TR0_REGNUM + 4; | |
125 | break; | |
126 | } | |
127 | else if (regnamelen == 4) | |
128 | switch (regname[0]) | |
129 | { | |
130 | case 'E': | |
131 | if (regname[1] == 'I') | |
132 | if (regname[2] == 'E' && regname[3] == 'M') | |
133 | regno = EIEM_REGNUM; | |
134 | break; | |
135 | case 'I': | |
136 | if (regname[1] == 'P' && regname[2] == 'S' && regname[3] == 'W') | |
137 | regno = IPSW_REGNUM; | |
138 | break; | |
139 | } | |
140 | else if (regnamelen == 5) | |
141 | switch (regname[0]) | |
142 | { | |
143 | case 'I': | |
144 | if (regname[1] == 'A' | |
145 | && regname[2] == 'O' | |
146 | && regname[3] == 'Q' | |
147 | && regname[4] == 'B') | |
148 | regno = PCOQ_TAIL_REGNUM; | |
149 | break; | |
150 | } | |
151 | ||
152 | if (regno >= 0) | |
153 | while (numregs-- > 0) | |
154 | val = monitor_supply_register (regno++, val); | |
155 | } | |
156 | ||
e8b73ba7 RS |
157 | /* |
158 | * Define the monitor command strings. Since these are passed directly | |
159 | * through to a printf style function, we need can include formatting | |
160 | * strings. We also need a CR or LF on the end. | |
161 | */ | |
162 | ||
3da4297e SG |
163 | static struct target_ops w89k_ops; |
164 | ||
7952bce6 SG |
165 | static char *w89k_loadtypes[] = {"srec", NULL}; |
166 | static char *w89k_loadprotos[] = {"xmodem", NULL}; | |
e8b73ba7 | 167 | |
3da4297e | 168 | static char *w89k_inits[] = {"\r", NULL}; |
1265e2d8 SG |
169 | |
170 | static struct monitor_ops w89k_cmds = | |
171 | { | |
7952bce6 | 172 | MO_GETMEM_NEEDS_RANGE|MO_FILL_USES_ADDR, /* flags */ |
3da4297e SG |
173 | w89k_inits, /* Init strings */ |
174 | "g\r", /* continue command */ | |
175 | "t\r", /* single step */ | |
176 | NULL, /* Interrupt char */ | |
177 | "bp %x\r", /* set a breakpoint */ | |
178 | "bc %x\r", /* clear a breakpoint */ | |
7952bce6 SG |
179 | "bc *\r", /* clear all breakpoints */ |
180 | "f %x %x %x\r", /* memory fill cmd */ | |
51d6a954 | 181 | { |
3da4297e SG |
182 | "eb %x %x\r", /* setmem.cmdb (addr, value) */ |
183 | "eh %x %x\r", /* setmem.cmdw (addr, value) */ | |
184 | "ew %x %x\r", /* setmem.cmdl (addr, value) */ | |
185 | NULL, /* setmem.cmdll (addr, value) */ | |
186 | NULL, /* setreg.resp_delim */ | |
187 | NULL, /* setreg.term */ | |
188 | NULL, /* setreg.term_cmd */ | |
51d6a954 RS |
189 | }, |
190 | { | |
3da4297e SG |
191 | "db %x %x\r", /* getmem.cmdb (startaddr, endaddr) */ |
192 | "dh %x %x\r", /* getmem.cmdw (startaddr, endaddr) */ | |
193 | "dw %x %x\r", /* getmem.cmdl (startaddr, endaddr) */ | |
194 | NULL, /* getmem.cmdll (startaddr, endaddr) */ | |
195 | " ", /* getmem.resp_delim */ | |
196 | NULL, /* getmem.term */ | |
197 | NULL, /* getmem.term_cmd */ | |
51d6a954 | 198 | }, |
e6fa5bd6 | 199 | { |
3da4297e SG |
200 | "r %s %x\r", /* setreg.cmd (name, value) */ |
201 | NULL, /* setreg.resp_delim */ | |
202 | NULL, /* setreg.term */ | |
203 | NULL, /* setreg.term_cmd */ | |
27e889bf RS |
204 | }, |
205 | { | |
3da4297e SG |
206 | "r %s\r", /* getreg.cmd (name) */ |
207 | "\r", /* getreg.resp_delim */ | |
208 | NULL, /* getreg.term */ | |
209 | NULL, /* getreg.term_cmd */ | |
27e889bf | 210 | }, |
7952bce6 SG |
211 | "r\r", /* dump_registers */ |
212 | "\\(\\w+\\)\\( +[0-9a-fA-F]+\\b\\)+", | |
213 | w89k_supply_register, /* supply_register */ | |
3da4297e | 214 | "u\r", /* download command */ |
7952bce6 | 215 | "u\n\r", /* load response */ |
3da4297e SG |
216 | "ROM>", /* monitor command prompt */ |
217 | NULL, /* end-of-command delimitor */ | |
218 | NULL, /* optional command terminator */ | |
219 | &w89k_ops, /* target operations */ | |
1265e2d8 SG |
220 | w89k_loadtypes, /* loadtypes */ |
221 | w89k_loadprotos, /* loadprotos */ | |
3da4297e | 222 | "9600", /* supported baud rates */ |
1265e2d8 | 223 | SERIAL_1_STOPBITS, /* number of stop bits */ |
3da4297e SG |
224 | w89k_regnames, /* register names */ |
225 | MONITOR_OPS_MAGIC /* magic */ | |
226 | }; | |
e8b73ba7 RS |
227 | |
228 | void | |
229 | w89k_open(args, from_tty) | |
230 | char *args; | |
231 | int from_tty; | |
232 | { | |
1265e2d8 | 233 | monitor_open (args, &w89k_cmds, from_tty); |
e8b73ba7 RS |
234 | } |
235 | ||
236 | void | |
237 | _initialize_w89k () | |
238 | { | |
3da4297e | 239 | init_monitor_ops (&w89k_ops); |
27e889bf | 240 | |
3da4297e SG |
241 | w89k_ops.to_shortname = "w89k"; |
242 | w89k_ops.to_longname = "WinBond's debug monitor for the W89k Eval board"; | |
243 | w89k_ops.to_doc = "Debug on a WinBond W89K eval board.\n\ | |
244 | Specify the serial device it is connected to (e.g. /dev/ttya)."; | |
245 | w89k_ops.to_open = w89k_open; | |
246 | ||
247 | add_target (&w89k_ops); | |
e8b73ba7 | 248 | } |