1 /* Remote target glue for the SPARC Sparclet ROM monitor.
3 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free
4 Software Foundation, Inc.
6 This file is part of GDB.
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.
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.
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., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
31 #include "symfile.h" /* for generic_load */
35 extern void report_transfer_performance (unsigned long, time_t, time_t);
37 static struct target_ops sparclet_ops;
39 static void sparclet_open (char *args, int from_tty);
41 /* This array of registers need to match the indexes used by GDB.
42 This exists because the various ROM monitors use different strings
43 than does GDB, and don't necessarily support all the registers
44 either. So, typing "info reg sp" becomes a "r30". */
46 /*PSR 0x00000080 impl ver icc AW LE EE EC EF PIL S PS ET CWP WIM
47 0x0 0x0 0x0 0 0 0 0 0 0x0 1 0 0 0x00 0x2
49 INS LOCALS OUTS GLOBALS
50 0 0x00000000 0x00000000 0x00000000 0x00000000
51 1 0x00000000 0x00000000 0x00000000 0x00000000
52 2 0x00000000 0x00000000 0x00000000 0x00000000
53 3 0x00000000 0x00000000 0x00000000 0x00000000
54 4 0x00000000 0x00000000 0x00000000 0x00000000
55 5 0x00000000 0x00001000 0x00000000 0x00000000
56 6 0x00000000 0x00000000 0x123f0000 0x00000000
57 7 0x00000000 0x00000000 0x00000000 0x00000000
58 pc: 0x12010000 0x00000000 unimp
59 npc: 0x12010004 0x00001000 unimp 0x1000
63 /* these correspond to the offsets from tm-* files from config directories */
65 /* is wim part of psr?? */
66 /* monitor wants lower case */
67 static char *sparclet_regnames[] = {
68 "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
69 "o0", "o1", "o2", "o3", "o4", "o5", "o6", "o7",
70 "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
71 "i0", "i1", "i2", "i3", "i4", "i5", "i6", "i7",
73 "", "", "", "", "", "", "", "", /* no FPU regs */
74 "", "", "", "", "", "", "", "",
75 "", "", "", "", "", "", "", "",
76 "", "", "", "", "", "", "", "",
78 "y", "psr", "wim", "tbr", "pc", "npc", "", "",
80 "ccsr", "ccpr", "cccrcr", "ccor", "ccobr", "ccibr", "ccir", "",
82 /* ASR15 ASR19 (don't display them) */
83 "asr1", "", "asr17", "asr18", "", "asr20", "asr21", "asr22",
85 "awr0", "awr1", "awr2", "awr3", "awr4", "awr5", "awr6", "awr7",
86 "awr8", "awr9", "awr10", "awr11", "awr12", "awr13", "awr14", "awr15",
87 "awr16", "awr17", "awr18", "awr19", "awr20", "awr21", "awr22", "awr23",
88 "awr24", "awr25", "awr26", "awr27", "awr28", "awr29", "awr30", "awr31",
95 /* Function: sparclet_supply_register
96 Just returns with no action.
97 This function is required, because parse_register_dump (monitor.c)
98 expects to be able to call it. If we don't supply something, it will
99 call a null pointer and core-dump. Since this function does not
100 actually do anything, GDB will request the registers individually. */
103 sparclet_supply_register (char *regname, int regnamelen, char *val, int vallen)
109 sparclet_load (struct serial *desc, char *file, int hashmark)
114 CORE_ADDR load_offset;
115 time_t start_time, end_time;
116 unsigned long data_count = 0;
118 /* enable user to specify address for downloading as 2nd arg to load */
120 i = sscanf (file, "%*s 0x%lx", &load_offset);
125 for (p = file; *p != '\000' && !isspace (*p); p++);
132 abfd = bfd_openr (file, 0);
135 printf_filtered ("Unable to open file %s\n", file);
139 if (bfd_check_format (abfd, bfd_object) == 0)
141 printf_filtered ("File is not an object file\n");
145 start_time = time (NULL);
147 for (s = abfd->sections; s; s = s->next)
148 if (s->flags & SEC_LOAD)
150 bfd_size_type section_size;
153 vma = bfd_get_section_vma (abfd, s) + load_offset;
154 section_size = bfd_section_size (abfd, s);
156 data_count += section_size;
158 printf_filtered ("%s\t: 0x%4x .. 0x%4x ",
159 bfd_get_section_name (abfd, s), vma,
161 gdb_flush (gdb_stdout);
163 monitor_printf ("load c r %x %x\r", vma, section_size);
165 monitor_expect ("load: loading ", NULL, 0);
166 monitor_expect ("\r", NULL, 0);
168 for (i = 0; i < section_size; i += 2048)
173 numbytes = min (sizeof buf, section_size - i);
175 bfd_get_section_contents (abfd, s, buf, i, numbytes);
177 serial_write (desc, buf, numbytes);
181 putchar_unfiltered ('#');
182 gdb_flush (gdb_stdout);
184 } /* Per-packet (or S-record) loop */
186 monitor_expect_prompt (NULL, 0);
188 putchar_unfiltered ('\n');
189 } /* Loadable sections */
191 monitor_printf ("reg pc %x\r", bfd_get_start_address (abfd));
192 monitor_expect_prompt (NULL, 0);
193 monitor_printf ("reg npc %x\r", bfd_get_start_address (abfd) + 4);
194 monitor_expect_prompt (NULL, 0);
196 monitor_printf ("run\r");
198 end_time = time (NULL);
201 putchar_unfiltered ('\n');
203 report_transfer_performance (data_count, start_time, end_time);
206 push_remote_target (monitor_get_dev_name (), 1);
208 throw_exception (RETURN_QUIT);
211 /* Define the monitor command strings. Since these are passed directly
212 through to a printf style function, we may include formatting
213 strings. We also need a CR or LF on the end. */
215 /* need to pause the monitor for timing reasons, so slow it down */
217 static char *sparclet_inits[] =
220 static struct monitor_ops sparclet_cmds;
223 init_sparclet_cmds (void)
225 sparclet_cmds.flags = MO_CLR_BREAK_USES_ADDR |
228 MO_NO_ECHO_ON_SETMEM |
230 MO_GETMEM_READ_SINGLE; /* flags */
231 sparclet_cmds.init = sparclet_inits; /* Init strings */
232 sparclet_cmds.cont = "cont\r"; /* continue command */
233 sparclet_cmds.step = "step\r"; /* single step */
234 sparclet_cmds.stop = "\r"; /* break interrupts the program */
235 sparclet_cmds.set_break = "+bp %x\r"; /* set a breakpoint */
236 sparclet_cmds.clr_break = "-bp %x\r"; /* can't use "br" because only 2 hw bps are supported */
237 sparclet_cmds.clr_all_break = "-bp %x\r"; /* clear a breakpoint */
238 "-bp\r"; /* clear all breakpoints */
239 sparclet_cmds.fill = "fill %x -n %x -v %x -b\r"; /* fill (start length val) */
240 /* can't use "fi" because it takes words, not bytes */
241 /* ex [addr] [-n count] [-b|-s|-l] default: ex cur -n 1 -b */
242 sparclet_cmds.setmem.cmdb = "ex %x -b\r%x\rq\r"; /* setmem.cmdb (addr, value) */
243 sparclet_cmds.setmem.cmdw = "ex %x -s\r%x\rq\r"; /* setmem.cmdw (addr, value) */
244 sparclet_cmds.setmem.cmdl = "ex %x -l\r%x\rq\r"; /* setmem.cmdl (addr, value) */
245 sparclet_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
246 sparclet_cmds.setmem.resp_delim = NULL; /*": " *//* setmem.resp_delim */
247 sparclet_cmds.setmem.term = NULL; /*"? " *//* setmem.term */
248 sparclet_cmds.setmem.term_cmd = NULL; /*"q\r" *//* setmem.term_cmd */
249 /* since the parsing of multiple bytes is difficult due to
250 interspersed addresses, we'll only read 1 value at a time,
251 even tho these can handle a count */
252 /* we can use -n to set count to read, but may have to parse? */
253 sparclet_cmds.getmem.cmdb = "ex %x -n 1 -b\r"; /* getmem.cmdb (addr, #bytes) */
254 sparclet_cmds.getmem.cmdw = "ex %x -n 1 -s\r"; /* getmem.cmdw (addr, #swords) */
255 sparclet_cmds.getmem.cmdl = "ex %x -n 1 -l\r"; /* getmem.cmdl (addr, #words) */
256 sparclet_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, #dwords) */
257 sparclet_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
258 sparclet_cmds.getmem.term = NULL; /* getmem.term */
259 sparclet_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
260 sparclet_cmds.setreg.cmd = "reg %s 0x%x\r"; /* setreg.cmd (name, value) */
261 sparclet_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
262 sparclet_cmds.setreg.term = NULL; /* setreg.term */
263 sparclet_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
264 sparclet_cmds.getreg.cmd = "reg %s\r"; /* getreg.cmd (name) */
265 sparclet_cmds.getreg.resp_delim = " "; /* getreg.resp_delim */
266 sparclet_cmds.getreg.term = NULL; /* getreg.term */
267 sparclet_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
268 sparclet_cmds.dump_registers = "reg\r"; /* dump_registers */
269 sparclet_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */
270 sparclet_cmds.supply_register = sparclet_supply_register; /* supply_register */
271 sparclet_cmds.load_routine = sparclet_load; /* load_routine */
272 sparclet_cmds.load = NULL; /* download command (srecs on console) */
273 sparclet_cmds.loadresp = NULL; /* load response */
274 sparclet_cmds.prompt = "monitor>"; /* monitor command prompt */
275 /* yikes! gdb core dumps without this delimitor!! */
276 sparclet_cmds.line_term = "\r"; /* end-of-command delimitor */
277 sparclet_cmds.cmd_end = NULL; /* optional command terminator */
278 sparclet_cmds.target = &sparclet_ops; /* target operations */
279 sparclet_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
280 sparclet_cmds.regnames = sparclet_regnames; /* registers names */
281 sparclet_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
285 sparclet_open (char *args, int from_tty)
287 monitor_open (args, &sparclet_cmds, from_tty);
291 _initialize_sparclet (void)
294 init_sparclet_cmds ();
296 for (i = 0; i < NUM_REGS; i++)
297 if (sparclet_regnames[i][0] == 'c' ||
298 sparclet_regnames[i][0] == 'a')
299 sparclet_regnames[i] = 0; /* mon can't report c* or a* regs */
301 sparclet_regnames[0] = 0; /* mon won't report %G0 */
303 init_monitor_ops (&sparclet_ops);
304 sparclet_ops.to_shortname = "sparclet"; /* for the target command */
305 sparclet_ops.to_longname = "SPARC Sparclet monitor";
306 /* use SW breaks; target only supports 2 HW breakpoints */
307 sparclet_ops.to_insert_breakpoint = memory_insert_breakpoint;
308 sparclet_ops.to_remove_breakpoint = memory_remove_breakpoint;
310 sparclet_ops.to_doc =
311 "Use a board running the Sparclet debug monitor.\n\
312 Specify the serial device it is connected to (e.g. /dev/ttya).";
314 sparclet_ops.to_open = sparclet_open;
315 add_target (&sparclet_ops);