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c906108c SS |
1 | /* Remote debugging interface for EST-300 ICE, for GDB |
2 | Copyright 1995 Free Software Foundation, Inc. | |
3 | Contributed by Cygnus Support. | |
4 | ||
5 | Written by Steve Chamberlain for Cygnus Support. | |
6 | Re-written by Stu Grossman of Cygnus Support | |
7 | ||
8 | This file is part of GDB. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 59 Temple Place - Suite 330, 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 | ||
30 | static void est_open PARAMS ((char *args, int from_tty)); | |
31 | ||
32 | static void | |
33 | est_supply_register (regname, regnamelen, val, vallen) | |
34 | char *regname; | |
35 | int regnamelen; | |
36 | char *val; | |
37 | int vallen; | |
38 | { | |
39 | int regno; | |
40 | ||
41 | if (regnamelen != 2) | |
42 | return; | |
43 | ||
44 | switch (regname[0]) | |
45 | { | |
46 | case 'S': | |
47 | if (regname[1] != 'R') | |
48 | return; | |
49 | regno = PS_REGNUM; | |
50 | break; | |
51 | case 'P': | |
52 | if (regname[1] != 'C') | |
53 | return; | |
54 | regno = PC_REGNUM; | |
55 | break; | |
56 | case 'D': | |
57 | if (regname[1] < '0' || regname[1] > '7') | |
58 | return; | |
59 | regno = regname[1] - '0' + D0_REGNUM; | |
60 | break; | |
61 | case 'A': | |
62 | if (regname[1] < '0' || regname[1] > '7') | |
63 | return; | |
64 | regno = regname[1] - '0' + A0_REGNUM; | |
65 | break; | |
66 | default: | |
67 | return; | |
68 | } | |
69 | ||
70 | monitor_supply_register (regno, val); | |
71 | } | |
72 | ||
73 | /* | |
74 | * This array of registers needs to match the indexes used by GDB. The | |
75 | * whole reason this exists is because the various ROM monitors use | |
76 | * different names than GDB does, and don't support all the | |
77 | * registers either. So, typing "info reg sp" becomes a "r30". | |
78 | */ | |
79 | ||
80 | static char *est_regnames[NUM_REGS] = | |
81 | { | |
82 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
83 | "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", | |
84 | "SR", "PC", | |
85 | }; | |
86 | ||
87 | /* | |
88 | * Define the monitor command strings. Since these are passed directly | |
89 | * through to a printf style function, we need can include formatting | |
90 | * strings. We also need a CR or LF on the end. | |
91 | */ | |
92 | ||
93 | static struct target_ops est_ops; | |
94 | ||
95 | static char *est_inits[] = {"he\r", /* Resets the prompt, and clears repeated cmds */ | |
96 | NULL}; | |
97 | ||
98 | static struct monitor_ops est_cmds ; | |
99 | ||
100 | static void | |
101 | init_est_cmds(void) | |
102 | { | |
103 | est_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_NEED_REGDUMP_AFTER_CONT | | |
104 | MO_SREC_ACK | MO_SREC_ACK_PLUS ; | |
105 | est_cmds.init = est_inits; /* Init strings */ | |
106 | est_cmds.cont = "go\r"; /* continue command */ | |
107 | est_cmds.step = "sidr\r"; /* single step */ | |
108 | est_cmds.stop = "\003"; /* ^C interrupts the program */ | |
109 | est_cmds.set_break = "sb %x\r"; /* set a breakpoint */ | |
110 | est_cmds.clr_break = "rb %x\r"; /* clear a breakpoint */ | |
111 | est_cmds.clr_all_break = "rb\r"; /* clear all breakpoints */ | |
112 | est_cmds.fill = "bfb %x %x %x\r"; /* fill (start end val) */ | |
113 | est_cmds.setmem.cmdb = "smb %x %x\r"; /* setmem.cmdb (addr, value) */ | |
114 | est_cmds.setmem.cmdw = "smw %x %x\r"; /* setmem.cmdw (addr, value) */ | |
115 | est_cmds.setmem.cmdl = "sml %x %x\r"; /* setmem.cmdl (addr, value) */ | |
116 | est_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ | |
117 | est_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ | |
118 | est_cmds.setmem.term = NULL; /* setreg.term */ | |
119 | est_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ | |
120 | est_cmds.getmem.cmdb = "dmb %x %x\r"; /* getmem.cmdb (addr, len) */ | |
121 | est_cmds.getmem.cmdw = "dmw %x %x\r"; /* getmem.cmdw (addr, len) */ | |
122 | est_cmds.getmem.cmdl = "dml %x %x\r"; /* getmem.cmdl (addr, len) */ | |
123 | est_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */ | |
124 | est_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */ | |
125 | est_cmds.getmem.term = NULL; /* getmem.term */ | |
126 | est_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */ | |
127 | est_cmds.setreg.cmd = "sr %s %x\r"; /* setreg.cmd (name, value) */ | |
128 | est_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ | |
129 | est_cmds.setreg.term = NULL; /* setreg.term */ | |
130 | est_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ | |
131 | est_cmds.getreg.cmd = "dr %s\r"; /* getreg.cmd (name) */ | |
132 | est_cmds.getreg.resp_delim = " = "; /* getreg.resp_delim */ | |
133 | est_cmds.getreg.term = NULL; /* getreg.term */ | |
134 | est_cmds.getreg.term_cmd = NULL ; /* getreg.term_cmd */ | |
135 | est_cmds.dump_registers = "dr\r"; /* dump_registers */ | |
136 | est_cmds.register_pattern = "\\(\\w+\\) = \\([0-9a-fA-F]+\\)"; /* register_pattern */ | |
137 | est_cmds.supply_register = est_supply_register; /* supply_register */ | |
138 | est_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */ | |
139 | est_cmds.load = "dl\r"; /* download command */ | |
140 | est_cmds.loadresp = "+"; /* load response */ | |
141 | est_cmds.prompt = ">BKM>"; /* monitor command prompt */ | |
142 | est_cmds.line_term = "\r"; /* end-of-line terminator */ | |
143 | est_cmds.cmd_end = NULL; /* optional command terminator */ | |
144 | est_cmds.target = &est_ops; /* target operations */ | |
145 | est_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ | |
146 | est_cmds.regnames = est_regnames; /* registers names */ | |
147 | est_cmds.magic = MONITOR_OPS_MAGIC ; /* magic */ | |
148 | } /* init_est_cmds */ | |
149 | ||
150 | static void | |
151 | est_open(args, from_tty) | |
152 | char *args; | |
153 | int from_tty; | |
154 | { | |
155 | monitor_open (args, &est_cmds, from_tty); | |
156 | } | |
157 | ||
158 | void | |
159 | _initialize_est () | |
160 | { | |
161 | init_est_cmds() ; | |
162 | init_monitor_ops (&est_ops); | |
163 | ||
164 | est_ops.to_shortname = "est"; | |
165 | est_ops.to_longname = "EST background debug monitor"; | |
166 | est_ops.to_doc = "Debug via the EST BDM.\n\ | |
167 | Specify the serial device it is connected to (e.g. /dev/ttya)."; | |
168 | est_ops.to_open = est_open; | |
169 | ||
170 | add_target (&est_ops); | |
171 | } |