Commit | Line | Data |
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012be3ce DP |
1 | /* Remote target glue for the SPARC Sparclet ROM monitor. |
2 | Copyright 1995, 1996 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 | ||
21 | #include "defs.h" | |
22 | #include "gdbcore.h" | |
23 | #include "target.h" | |
24 | #include "monitor.h" | |
25 | #include "serial.h" | |
26 | #include "srec.h" | |
27 | #include "symtab.h" | |
28 | #include "symfile.h" /* for generic_load */ | |
4ce7ba51 | 29 | #include <time.h> |
012be3ce | 30 | |
56e327b3 FF |
31 | extern void report_transfer_performance PARAMS ((unsigned long, time_t, time_t)); |
32 | ||
4ce7ba51 | 33 | static struct target_ops sparclet_ops; |
012be3ce | 34 | |
4ce7ba51 | 35 | static void sparclet_open PARAMS ((char *args, int from_tty)); |
012be3ce | 36 | |
4ce7ba51 SG |
37 | /* This array of registers need to match the indexes used by GDB. |
38 | This exists because the various ROM monitors use different strings | |
39 | than does GDB, and don't necessarily support all the registers | |
40 | either. So, typing "info reg sp" becomes a "r30". */ | |
012be3ce | 41 | |
4ce7ba51 SG |
42 | /*PSR 0x00000080 impl ver icc AW LE EE EC EF PIL S PS ET CWP WIM |
43 | 0x0 0x0 0x0 0 0 0 0 0 0x0 1 0 0 0x00 0x2 | |
44 | 0000010 | |
45 | INS LOCALS OUTS GLOBALS | |
46 | 0 0x00000000 0x00000000 0x00000000 0x00000000 | |
47 | 1 0x00000000 0x00000000 0x00000000 0x00000000 | |
48 | 2 0x00000000 0x00000000 0x00000000 0x00000000 | |
49 | 3 0x00000000 0x00000000 0x00000000 0x00000000 | |
50 | 4 0x00000000 0x00000000 0x00000000 0x00000000 | |
51 | 5 0x00000000 0x00001000 0x00000000 0x00000000 | |
52 | 6 0x00000000 0x00000000 0x123f0000 0x00000000 | |
53 | 7 0x00000000 0x00000000 0x00000000 0x00000000 | |
54 | pc: 0x12010000 0x00000000 unimp | |
55 | npc: 0x12010004 0x00001000 unimp 0x1000 | |
56 | tbr: 0x00000000 | |
57 | y: 0x00000000 | |
58 | */ | |
59 | /* these correspond to the offsets from tm-* files from config directories */ | |
012be3ce | 60 | |
4ce7ba51 SG |
61 | /* is wim part of psr?? */ |
62 | /* monitor wants lower case */ | |
63 | static char *sparclet_regnames[NUM_REGS] = REGISTER_NAMES; | |
012be3ce | 64 | |
012be3ce | 65 | |
4ce7ba51 SG |
66 | /* Function: sparclet_supply_register |
67 | Just returns with no action. | |
68 | This function is required, because parse_register_dump (monitor.c) | |
69 | expects to be able to call it. If we don't supply something, it will | |
70 | call a null pointer and core-dump. Since this function does not | |
71 | actually do anything, GDB will request the registers individually. */ | |
012be3ce DP |
72 | |
73 | static void | |
4ce7ba51 SG |
74 | sparclet_supply_register (regname, regnamelen, val, vallen) |
75 | char *regname; | |
76 | int regnamelen; | |
77 | char *val; | |
78 | int vallen; | |
012be3ce | 79 | { |
4ce7ba51 | 80 | return; |
012be3ce DP |
81 | } |
82 | ||
012be3ce | 83 | static void |
4ce7ba51 | 84 | sparclet_load (desc, file, hashmark) |
012be3ce DP |
85 | serial_t desc; |
86 | char *file; | |
87 | int hashmark; | |
88 | { | |
89 | bfd *abfd; | |
90 | asection *s; | |
012be3ce | 91 | int i; |
4ce7ba51 SG |
92 | CORE_ADDR load_offset; |
93 | time_t start_time, end_time; | |
94 | unsigned long data_count = 0; | |
95 | ||
96 | /* enable user to specify address for downloading as 2nd arg to load */ | |
97 | ||
98 | i = sscanf(file, "%*s 0x%lx", &load_offset); | |
99 | if (i >= 1 ) | |
100 | { | |
101 | char *p; | |
102 | ||
103 | for (p = file; *p != '\000' && !isspace (*p); p++); | |
104 | ||
105 | *p = '\000'; | |
106 | } | |
107 | else | |
108 | load_offset = 0; | |
012be3ce | 109 | |
012be3ce DP |
110 | abfd = bfd_openr (file, 0); |
111 | if (!abfd) | |
112 | { | |
113 | printf_filtered ("Unable to open file %s\n", file); | |
114 | return; | |
115 | } | |
4ce7ba51 | 116 | |
012be3ce DP |
117 | if (bfd_check_format (abfd, bfd_object) == 0) |
118 | { | |
119 | printf_filtered ("File is not an object file\n"); | |
120 | return; | |
121 | } | |
4ce7ba51 SG |
122 | |
123 | start_time = time (NULL); | |
124 | ||
012be3ce DP |
125 | for (s = abfd->sections; s; s = s->next) |
126 | if (s->flags & SEC_LOAD) | |
127 | { | |
128 | bfd_size_type section_size; | |
4ce7ba51 SG |
129 | bfd_vma vma; |
130 | ||
131 | vma = bfd_get_section_vma (abfd, s) + load_offset; | |
012be3ce | 132 | section_size = bfd_section_size (abfd, s); |
4ce7ba51 SG |
133 | |
134 | data_count += section_size; | |
135 | ||
136 | printf_filtered ("%s\t: 0x%4x .. 0x%4x ", | |
137 | bfd_get_section_name (abfd, s), vma, | |
138 | vma + section_size); | |
139 | gdb_flush (gdb_stdout); | |
140 | ||
141 | monitor_printf ("load c r %x %x\r", vma, section_size); | |
142 | ||
143 | monitor_expect ("load: loading ", NULL, 0); | |
144 | monitor_expect ("\r", NULL, 0); | |
145 | ||
146 | for (i = 0; i < section_size; i += 2048) | |
012be3ce DP |
147 | { |
148 | int numbytes; | |
4ce7ba51 SG |
149 | char buf[2048]; |
150 | ||
151 | numbytes = min (sizeof buf, section_size - i); | |
152 | ||
153 | bfd_get_section_contents (abfd, s, buf, i, numbytes); | |
154 | ||
155 | SERIAL_WRITE (desc, buf, numbytes); | |
156 | ||
012be3ce DP |
157 | if (hashmark) |
158 | { | |
159 | putchar_unfiltered ('#'); | |
160 | gdb_flush (gdb_stdout); | |
161 | } | |
162 | } /* Per-packet (or S-record) loop */ | |
4ce7ba51 | 163 | |
012be3ce | 164 | monitor_expect_prompt (NULL, 0); |
4ce7ba51 | 165 | |
012be3ce DP |
166 | putchar_unfiltered ('\n'); |
167 | } /* Loadable sections */ | |
012be3ce | 168 | |
4ce7ba51 SG |
169 | monitor_printf ("reg pc %x\r", bfd_get_start_address (abfd)); |
170 | monitor_expect_prompt (NULL, 0); | |
171 | monitor_printf ("reg npc %x\r", bfd_get_start_address (abfd) + 4); | |
172 | monitor_expect_prompt (NULL, 0); | |
012be3ce | 173 | |
4ce7ba51 | 174 | monitor_printf ("run\r"); |
012be3ce | 175 | |
4ce7ba51 | 176 | end_time = time (NULL); |
012be3ce | 177 | |
4ce7ba51 SG |
178 | if (hashmark) |
179 | putchar_unfiltered ('\n'); | |
012be3ce | 180 | |
4ce7ba51 | 181 | report_transfer_performance (data_count, start_time, end_time); |
a7f6f9ed | 182 | |
4ce7ba51 SG |
183 | pop_target (); |
184 | push_remote_target (monitor_get_dev_name (), 1); | |
a7f6f9ed | 185 | |
4ce7ba51 | 186 | return_to_top_level (RETURN_QUIT); |
a7f6f9ed MS |
187 | } |
188 | ||
012be3ce DP |
189 | /* Define the monitor command strings. Since these are passed directly |
190 | through to a printf style function, we may include formatting | |
191 | strings. We also need a CR or LF on the end. */ | |
192 | ||
193 | /* need to pause the monitor for timing reasons, so slow it down */ | |
194 | ||
195 | static char *sparclet_inits[] = {"\n\r\r\n", NULL}; | |
196 | ||
adc176bb JM |
197 | static struct monitor_ops sparclet_cmds ; |
198 | static void init_sparclet_cmds(void) | |
012be3ce | 199 | { |
adc176bb JM |
200 | sparclet_cmds.flags = MO_CLR_BREAK_USES_ADDR | |
201 | MO_HEX_PREFIX | | |
202 | MO_NO_ECHO_ON_OPEN | | |
203 | MO_NO_ECHO_ON_SETMEM | | |
204 | MO_RUN_FIRST_TIME | | |
205 | MO_GETMEM_READ_SINGLE ; /* flags */ | |
206 | sparclet_cmds.init = sparclet_inits; /* Init strings */ | |
207 | sparclet_cmds.cont = "cont\r"; /* continue command */ | |
208 | sparclet_cmds.step = "step\r"; /* single step */ | |
209 | sparclet_cmds.stop = "\r"; /* break interrupts the program */ | |
210 | sparclet_cmds.set_break = "+bp %x\r"; /* set a breakpoint */ | |
211 | sparclet_cmds.clr_break = "-bp %x\r" ; /* can't use "br" because only 2 hw bps are supported */ | |
212 | sparclet_cmds.clr_all_break = "-bp %x\r"; /* clear a breakpoint */ | |
213 | "-bp\r" ; /* clear all breakpoints */ | |
214 | sparclet_cmds.fill = "fill %x -n %x -v %x -b\r"; /* fill (start length val) */ | |
215 | /* can't use "fi" because it takes words, not bytes */ | |
216 | /* ex [addr] [-n count] [-b|-s|-l] default: ex cur -n 1 -b */ | |
217 | sparclet_cmds.setmem.cmdb = "ex %x -b\r%x\rq\r"; /* setmem.cmdb (addr, value) */ | |
218 | sparclet_cmds.setmem.cmdw = "ex %x -s\r%x\rq\r"; /* setmem.cmdw (addr, value) */ | |
219 | sparclet_cmds.setmem.cmdl = "ex %x -l\r%x\rq\r"; /* setmem.cmdl (addr, value) */ | |
220 | sparclet_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ | |
221 | sparclet_cmds.setmem.resp_delim = NULL; /*": " */ /* setmem.resp_delim */ | |
222 | sparclet_cmds.setmem.term = NULL; /*"? " */ /* setmem.term */ | |
223 | sparclet_cmds.setmem.term_cmd = NULL; /*"q\r" */ /* setmem.term_cmd */ | |
224 | /* since the parsing of multiple bytes is difficult due to | |
225 | interspersed addresses, we'll only read 1 value at a time, | |
226 | even tho these can handle a count */ | |
227 | /* we can use -n to set count to read, but may have to parse? */ | |
228 | sparclet_cmds.getmem.cmdb = "ex %x -n 1 -b\r"; /* getmem.cmdb (addr, #bytes) */ | |
229 | sparclet_cmds.getmem.cmdw = "ex %x -n 1 -s\r"; /* getmem.cmdw (addr, #swords) */ | |
230 | sparclet_cmds.getmem.cmdl = "ex %x -n 1 -l\r"; /* getmem.cmdl (addr, #words) */ | |
231 | sparclet_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, #dwords) */ | |
232 | sparclet_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */ | |
233 | sparclet_cmds.getmem.term = NULL; /* getmem.term */ | |
234 | sparclet_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */ | |
235 | sparclet_cmds.setreg.cmd = "reg %s 0x%x\r"; /* setreg.cmd (name, value) */ | |
236 | sparclet_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ | |
237 | sparclet_cmds.setreg.term = NULL; /* setreg.term */ | |
238 | sparclet_cmds.setreg.term_cmd = NULL ; /* setreg.term_cmd */ | |
239 | sparclet_cmds.getreg.cmd = "reg %s\r"; /* getreg.cmd (name) */ | |
240 | sparclet_cmds.getreg.resp_delim = " "; /* getreg.resp_delim */ | |
241 | sparclet_cmds.getreg.term = NULL; /* getreg.term */ | |
242 | sparclet_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */ | |
243 | sparclet_cmds.dump_registers = "reg\r"; /* dump_registers */ | |
244 | sparclet_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */ | |
245 | sparclet_cmds.supply_register = sparclet_supply_register; /* supply_register */ | |
246 | sparclet_cmds.load_routine = sparclet_load; /* load_routine */ | |
247 | sparclet_cmds.load = NULL; /* download command (srecs on console) */ | |
248 | sparclet_cmds.loadresp = NULL; /* load response */ | |
249 | sparclet_cmds.prompt = "monitor>"; /* monitor command prompt */ | |
012be3ce | 250 | /* yikes! gdb core dumps without this delimitor!! */ |
adc176bb JM |
251 | sparclet_cmds.line_term = "\r"; /* end-of-command delimitor */ |
252 | sparclet_cmds.cmd_end = NULL; /* optional command terminator */ | |
253 | sparclet_cmds.target = &sparclet_ops; /* target operations */ | |
254 | sparclet_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ | |
255 | sparclet_cmds.regnames = sparclet_regnames; /* registers names */ | |
256 | sparclet_cmds.magic = MONITOR_OPS_MAGIC ; /* magic */ | |
012be3ce DP |
257 | }; |
258 | ||
259 | static void | |
260 | sparclet_open (args, from_tty) | |
261 | char *args; | |
262 | int from_tty; | |
263 | { | |
264 | monitor_open (args, &sparclet_cmds, from_tty); | |
265 | } | |
266 | ||
267 | void | |
268 | _initialize_sparclet () | |
269 | { | |
a7f6f9ed | 270 | int i; |
adc176bb | 271 | init_sparclet_cmds() ; |
a7f6f9ed MS |
272 | |
273 | for (i = 0; i < NUM_REGS; i++) | |
274 | if (sparclet_regnames[i][0] == 'c' || | |
275 | sparclet_regnames[i][0] == 'a') | |
276 | sparclet_regnames[i] = 0; /* mon can't report c* or a* regs */ | |
012be3ce | 277 | |
a7f6f9ed MS |
278 | sparclet_regnames[0] = 0; /* mon won't report %G0 */ |
279 | ||
280 | init_monitor_ops (&sparclet_ops); | |
012be3ce DP |
281 | sparclet_ops.to_shortname = "sparclet"; /* for the target command */ |
282 | sparclet_ops.to_longname = "SPARC Sparclet monitor"; | |
012be3ce DP |
283 | /* use SW breaks; target only supports 2 HW breakpoints */ |
284 | sparclet_ops.to_insert_breakpoint = memory_insert_breakpoint; | |
285 | sparclet_ops.to_remove_breakpoint = memory_remove_breakpoint; | |
012be3ce DP |
286 | |
287 | sparclet_ops.to_doc = | |
288 | "Use a board running the Sparclet debug monitor.\n\ | |
289 | Specify the serial device it is connected to (e.g. /dev/ttya)."; | |
290 | ||
291 | sparclet_ops.to_open = sparclet_open; | |
292 | add_target (&sparclet_ops); | |
293 | } | |
294 |