Commit | Line | Data |
---|---|---|
1480482a SG |
1 | /* Remote target glue for the Hitachi SH-3 ROM monitor. |
2 | Copyright 1995 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GDB. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "gdbcore.h" | |
22 | #include "target.h" | |
23 | #include "monitor.h" | |
24 | #include "serial.h" | |
25 | ||
26 | static void sh3_open PARAMS ((char *args, int from_tty)); | |
27 | ||
28 | static void | |
29 | sh3_supply_register (regname, regnamelen, val, vallen) | |
30 | char *regname; | |
31 | int regnamelen; | |
32 | char *val; | |
33 | int vallen; | |
34 | { | |
35 | int numregs; | |
36 | int regno; | |
37 | ||
38 | numregs = 1; | |
39 | regno = -1; | |
40 | ||
41 | if (regnamelen == 2) | |
42 | switch (regname[0]) | |
43 | { | |
44 | case 'S': | |
45 | if (regname[1] == 'R') | |
46 | regno = SR_REGNUM; | |
47 | break; | |
48 | case 'P': | |
49 | if (regname[1] == 'C') | |
50 | regno = PC_REGNUM; | |
51 | else if (regname[1] == 'R') | |
52 | regno = PR_REGNUM; | |
53 | break; | |
54 | } | |
55 | else if (regnamelen == 3) | |
56 | switch (regname[0]) | |
57 | { | |
58 | case 'G': | |
59 | case 'V': | |
60 | if (regname[1] == 'B' && regname[2] == 'R') | |
61 | if (regname[0] == 'G') | |
62 | regno = VBR_REGNUM; | |
63 | else | |
64 | regno = GBR_REGNUM; | |
65 | break; | |
66 | #if 0 | |
67 | case 'S': | |
68 | if (regname[1] == 'S' && regname[2] == 'R') | |
69 | regno = SSR_REGNUM; | |
70 | else if (regname[1] == 'P' && regname[2] == 'C') | |
71 | regno = SPC_REGNUM; | |
72 | break; | |
73 | #endif | |
74 | } | |
75 | else if (regnamelen == 4) | |
76 | switch (regname[0]) | |
77 | { | |
78 | case 'M': | |
79 | if (regname[1] == 'A' && regname[2] == 'C') | |
80 | if (regname[3] == 'H') | |
81 | regno = MACH_REGNUM; | |
82 | else if (regname[3] == 'L') | |
83 | regno = MACL_REGNUM; | |
84 | break; | |
85 | case 'R': | |
86 | if (regname[1] == '0' && regname[2] == '-' && regname[3] == '7') | |
87 | { | |
88 | regno = R0_REGNUM; | |
89 | numregs = 8; | |
90 | } | |
91 | } | |
92 | else if (regnamelen == 5) | |
93 | if (regname[1] == '8' && regname[2] == '-' && regname[3] == '1' | |
94 | && regname[4] =='5') | |
95 | { | |
96 | regno = R0_REGNUM + 8; | |
97 | numregs = 8; | |
98 | } | |
99 | ||
100 | if (regno >= 0) | |
101 | while (numregs-- > 0) | |
102 | val = monitor_supply_register (regno++, val); | |
103 | } | |
104 | ||
105 | /* This array of registers need to match the indexes used by GDB. | |
106 | This exists because the various ROM monitors use different strings | |
107 | than does GDB, and don't necessarily support all the registers | |
108 | either. So, typing "info reg sp" becomes a "r30". */ | |
109 | ||
110 | static char *sh3_regnames[NUM_REGS] = { | |
111 | "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", | |
112 | "R8", "R9", "R10","R11","R12","R13","R14","R15", | |
113 | "PC", "PR", "GBR","VBR","MACH","MACL","SR",NULL, | |
114 | NULL, NULL, NULL, NULL}; | |
115 | ||
116 | /* Define the monitor command strings. Since these are passed directly | |
117 | through to a printf style function, we may include formatting | |
118 | strings. We also need a CR or LF on the end. */ | |
119 | ||
120 | static struct target_ops sh3_ops; | |
121 | ||
122 | static char *sh3_inits[] = {"\003", NULL}; /* Exits sub-command mode & download cmds */ | |
123 | ||
124 | static struct monitor_ops sh3_cmds = | |
125 | { | |
126 | 0, /* flags */ | |
127 | sh3_inits, /* monitor init string */ | |
128 | "g\r", /* continue command */ | |
129 | "s\r", /* single step */ | |
130 | "\003", /* Interrupt program */ | |
131 | "b %x\r", /* set a breakpoint */ | |
132 | "b -%x\r", /* clear a breakpoint */ | |
133 | "b -\r", /* clear all breakpoints */ | |
134 | "f %x @%x %x\r", /* fill (start len val) */ | |
135 | { | |
136 | "m %x %x\r", /* setmem.cmdb (addr, value) */ | |
137 | "m %x %x;w\r", /* setmem.cmdw (addr, value) */ | |
138 | "m %x %x;l\r", /* setmem.cmdl (addr, value) */ | |
139 | NULL, /* setmem.cmdll (addr, value) */ | |
140 | NULL, /* setreg.resp_delim */ | |
141 | NULL, /* setreg.term */ | |
142 | NULL, /* setreg.term_cmd */ | |
143 | }, | |
144 | { | |
145 | "d %x@%x;b\r", /* getmem.cmdb (addr, len) */ | |
146 | "d %x@%x;w\r", /* getmem.cmdw (addr, len) */ | |
147 | "d %x@%x;l\r", /* getmem.cmdl (addr, len) */ | |
148 | NULL, /* getmem.cmdll (addr, len) */ | |
149 | "^[0-9A-F]+ ", /* getmem.resp_delim */ | |
150 | NULL, /* getmem.term */ | |
151 | NULL, /* getmem.term_cmd */ | |
152 | }, | |
153 | { | |
154 | ".%s %x\r", /* setreg.cmd (name, value) */ | |
155 | NULL, /* setreg.resp_delim */ | |
156 | NULL, /* setreg.term */ | |
157 | NULL /* setreg.term_cmd */ | |
158 | }, | |
159 | { | |
160 | ".%s\r", /* getreg.cmd (name) */ | |
161 | "=", /* getreg.resp_delim */ | |
162 | "? ", /* getreg.term */ | |
163 | ".\r" /* getreg.term_cmd */ | |
164 | }, | |
165 | "r\r", /* dump_registers */ | |
166 | /* register_pattern */ | |
167 | "\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)", | |
168 | sh3_supply_register, /* supply_register */ | |
169 | NULL, /* load_routine (defaults to SRECs) */ | |
170 | "l\r", /* download command */ | |
171 | NULL, /* Load response */ | |
172 | "\n:", /* monitor command prompt */ | |
173 | "\r", /* end-of-line terminator */ | |
174 | ".\r", /* optional command terminator */ | |
175 | &sh3_ops, /* target operations */ | |
176 | SERIAL_1_STOPBITS, /* number of stop bits */ | |
177 | sh3_regnames, /* registers names */ | |
178 | MONITOR_OPS_MAGIC /* magic */ | |
179 | }; | |
180 | ||
181 | static void | |
182 | sh3_open (args, from_tty) | |
183 | char *args; | |
184 | int from_tty; | |
185 | { | |
186 | monitor_open (args, &sh3_cmds, from_tty); | |
187 | } | |
188 | ||
189 | void | |
190 | _initialize_sh3 () | |
191 | { | |
192 | init_monitor_ops (&sh3_ops); | |
193 | ||
194 | sh3_ops.to_shortname = "sh3"; | |
195 | sh3_ops.to_longname = "Hitachi SH-3 rom monitor"; | |
196 | sh3_ops.to_doc = "Debug on a Hitachi eval board running the SH-3 rom monitor.\n\ | |
197 | Specify the serial device it is connected to (e.g. /dev/ttya)."; | |
198 | sh3_ops.to_open = sh3_open; | |
199 | ||
200 | add_target (&sh3_ops); | |
201 | } |