gdb/sparclet-rom.c

   1 // OBSOLETE /* Remote target glue for the SPARC Sparclet ROM monitor.
   2 // OBSOLETE
   3 // OBSOLETE    Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free
   4 // OBSOLETE    Software Foundation, Inc.
   5 // OBSOLETE
   6 // OBSOLETE    This file is part of GDB.
   7 // OBSOLETE
   8 // OBSOLETE    This program is free software; you can redistribute it and/or modify
   9 // OBSOLETE    it under the terms of the GNU General Public License as published by
  10 // OBSOLETE    the Free Software Foundation; either version 2 of the License, or
  11 // OBSOLETE    (at your option) any later version.
  12 // OBSOLETE
  13 // OBSOLETE    This program is distributed in the hope that it will be useful,
  14 // OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // OBSOLETE    GNU General Public License for more details.
  17 // OBSOLETE
  18 // OBSOLETE    You should have received a copy of the GNU General Public License
  19 // OBSOLETE    along with this program; if not, write to the Free Software
  20 // OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330,
  21 // OBSOLETE    Boston, MA 02111-1307, USA.  */
  22 // OBSOLETE
  23 // OBSOLETE
  24 // OBSOLETE #include "defs.h"
  25 // OBSOLETE #include "gdbcore.h"
  26 // OBSOLETE #include "target.h"
  27 // OBSOLETE #include "monitor.h"
  28 // OBSOLETE #include "serial.h"
  29 // OBSOLETE #include "srec.h"
  30 // OBSOLETE #include "symtab.h"
  31 // OBSOLETE #include "symfile.h"                /* for generic_load */
  32 // OBSOLETE #include "regcache.h"
  33 // OBSOLETE #include <time.h>
  34 // OBSOLETE
  35 // OBSOLETE extern void report_transfer_performance (unsigned long, time_t, time_t);
  36 // OBSOLETE
  37 // OBSOLETE static struct target_ops sparclet_ops;
  38 // OBSOLETE
  39 // OBSOLETE static void sparclet_open (char *args, int from_tty);
  40 // OBSOLETE
  41 // OBSOLETE /* This array of registers need to match the indexes used by GDB.
  42 // OBSOLETE    This exists because the various ROM monitors use different strings
  43 // OBSOLETE    than does GDB, and don't necessarily support all the registers
  44 // OBSOLETE    either. So, typing "info reg sp" becomes a "r30".  */
  45 // OBSOLETE
  46 // OBSOLETE /*PSR 0x00000080  impl ver icc AW LE EE EC EF PIL S PS ET CWP  WIM
  47 // OBSOLETE    0x0  0x0 0x0  0  0  0  0  0 0x0 1  0  0 0x00 0x2
  48 // OBSOLETE    0000010
  49 // OBSOLETE    INS        LOCALS       OUTS      GLOBALS
  50 // OBSOLETE    0  0x00000000  0x00000000  0x00000000  0x00000000
  51 // OBSOLETE    1  0x00000000  0x00000000  0x00000000  0x00000000
  52 // OBSOLETE    2  0x00000000  0x00000000  0x00000000  0x00000000
  53 // OBSOLETE    3  0x00000000  0x00000000  0x00000000  0x00000000
  54 // OBSOLETE    4  0x00000000  0x00000000  0x00000000  0x00000000
  55 // OBSOLETE    5  0x00000000  0x00001000  0x00000000  0x00000000
  56 // OBSOLETE    6  0x00000000  0x00000000  0x123f0000  0x00000000
  57 // OBSOLETE    7  0x00000000  0x00000000  0x00000000  0x00000000
  58 // OBSOLETE    pc:  0x12010000 0x00000000    unimp
  59 // OBSOLETE    npc: 0x12010004 0x00001000    unimp     0x1000
  60 // OBSOLETE    tbr: 0x00000000
  61 // OBSOLETE    y:   0x00000000
  62 // OBSOLETE  */
  63 // OBSOLETE /* these correspond to the offsets from tm-* files from config directories */
  64 // OBSOLETE
  65 // OBSOLETE /* is wim part of psr?? */
  66 // OBSOLETE /* monitor wants lower case */
  67 // OBSOLETE static char *sparclet_regnames[] = {
  68 // OBSOLETE   "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7",
  69 // OBSOLETE   "o0", "o1", "o2", "o3", "o4", "o5", "o6", "o7",
  70 // OBSOLETE   "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7",
  71 // OBSOLETE   "i0", "i1", "i2", "i3", "i4", "i5", "i6", "i7",
  72 // OBSOLETE
  73 // OBSOLETE   "", "", "", "", "", "", "", "", /* no FPU regs */
  74 // OBSOLETE   "", "", "", "", "", "", "", "",
  75 // OBSOLETE   "", "", "", "", "", "", "", "",
  76 // OBSOLETE   "", "", "", "", "", "", "", "",
  77 // OBSOLETE                               /* no CPSR, FPSR */
  78 // OBSOLETE   "y", "psr", "wim", "tbr", "pc", "npc", "", "",
  79 // OBSOLETE
  80 // OBSOLETE   "ccsr", "ccpr", "cccrcr", "ccor", "ccobr", "ccibr", "ccir", "",
  81 // OBSOLETE
  82 // OBSOLETE   /*       ASR15                 ASR19 (don't display them) */
  83 // OBSOLETE   "asr1",  "", "asr17", "asr18", "", "asr20", "asr21", "asr22",
  84 // OBSOLETE /*
  85 // OBSOLETE   "awr0",  "awr1",  "awr2",  "awr3",  "awr4",  "awr5",  "awr6",  "awr7",
  86 // OBSOLETE   "awr8",  "awr9",  "awr10", "awr11", "awr12", "awr13", "awr14", "awr15",
  87 // OBSOLETE   "awr16", "awr17", "awr18", "awr19", "awr20", "awr21", "awr22", "awr23",
  88 // OBSOLETE   "awr24", "awr25", "awr26", "awr27", "awr28", "awr29", "awr30", "awr31",
  89 // OBSOLETE   "apsr",
  90 // OBSOLETE  */
  91 // OBSOLETE };
  92 // OBSOLETE
  93 // OBSOLETE
  94 // OBSOLETE
  95 // OBSOLETE /* Function: sparclet_supply_register
  96 // OBSOLETE    Just returns with no action.
  97 // OBSOLETE    This function is required, because parse_register_dump (monitor.c)
  98 // OBSOLETE    expects to be able to call it.  If we don't supply something, it will
  99 // OBSOLETE    call a null pointer and core-dump.  Since this function does not
 100 // OBSOLETE    actually do anything, GDB will request the registers individually.  */
 101 // OBSOLETE
 102 // OBSOLETE static void
 103 // OBSOLETE sparclet_supply_register (char *regname, int regnamelen, char *val, int vallen)
 104 // OBSOLETE {
 105 // OBSOLETE   return;
 106 // OBSOLETE }
 107 // OBSOLETE
 108 // OBSOLETE static void
 109 // OBSOLETE sparclet_load (struct serial *desc, char *file, int hashmark)
 110 // OBSOLETE {
 111 // OBSOLETE   bfd *abfd;
 112 // OBSOLETE   asection *s;
 113 // OBSOLETE   int i;
 114 // OBSOLETE   CORE_ADDR load_offset;
 115 // OBSOLETE   time_t start_time, end_time;
 116 // OBSOLETE   unsigned long data_count = 0;
 117 // OBSOLETE
 118 // OBSOLETE   /* enable user to specify address for downloading as 2nd arg to load */
 119 // OBSOLETE
 120 // OBSOLETE   i = sscanf (file, "%*s 0x%lx", &load_offset);
 121 // OBSOLETE   if (i >= 1)
 122 // OBSOLETE     {
 123 // OBSOLETE       char *p;
 124 // OBSOLETE
 125 // OBSOLETE       for (p = file; *p != '\000' && !isspace (*p); p++);
 126 // OBSOLETE
 127 // OBSOLETE       *p = '\000';
 128 // OBSOLETE     }
 129 // OBSOLETE   else
 130 // OBSOLETE     load_offset = 0;
 131 // OBSOLETE
 132 // OBSOLETE   abfd = bfd_openr (file, 0);
 133 // OBSOLETE   if (!abfd)
 134 // OBSOLETE     {
 135 // OBSOLETE       printf_filtered ("Unable to open file %s\n", file);
 136 // OBSOLETE       return;
 137 // OBSOLETE     }
 138 // OBSOLETE
 139 // OBSOLETE   if (bfd_check_format (abfd, bfd_object) == 0)
 140 // OBSOLETE     {
 141 // OBSOLETE       printf_filtered ("File is not an object file\n");
 142 // OBSOLETE       return;
 143 // OBSOLETE     }
 144 // OBSOLETE
 145 // OBSOLETE   start_time = time (NULL);
 146 // OBSOLETE
 147 // OBSOLETE   for (s = abfd->sections; s; s = s->next)
 148 // OBSOLETE     if (s->flags & SEC_LOAD)
 149 // OBSOLETE       {
 150 // OBSOLETE     bfd_size_type section_size;
 151 // OBSOLETE     bfd_vma vma;
 152 // OBSOLETE
 153 // OBSOLETE     vma = bfd_get_section_vma (abfd, s) + load_offset;
 154 // OBSOLETE     section_size = bfd_section_size (abfd, s);
 155 // OBSOLETE
 156 // OBSOLETE     data_count += section_size;
 157 // OBSOLETE
 158 // OBSOLETE     printf_filtered ("%s\t: 0x%4x .. 0x%4x  ",
 159 // OBSOLETE                      bfd_get_section_name (abfd, s), vma,
 160 // OBSOLETE                      vma + section_size);
 161 // OBSOLETE     gdb_flush (gdb_stdout);
 162 // OBSOLETE
 163 // OBSOLETE     monitor_printf ("load c r %x %x\r", vma, section_size);
 164 // OBSOLETE
 165 // OBSOLETE     monitor_expect ("load: loading ", NULL, 0);
 166 // OBSOLETE     monitor_expect ("\r", NULL, 0);
 167 // OBSOLETE
 168 // OBSOLETE     for (i = 0; i < section_size; i += 2048)
 169 // OBSOLETE       {
 170 // OBSOLETE         int numbytes;
 171 // OBSOLETE         char buf[2048];
 172 // OBSOLETE
 173 // OBSOLETE         numbytes = min (sizeof buf, section_size - i);
 174 // OBSOLETE
 175 // OBSOLETE         bfd_get_section_contents (abfd, s, buf, i, numbytes);
 176 // OBSOLETE
 177 // OBSOLETE         serial_write (desc, buf, numbytes);
 178 // OBSOLETE
 179 // OBSOLETE         if (hashmark)
 180 // OBSOLETE           {
 181 // OBSOLETE             putchar_unfiltered ('#');
 182 // OBSOLETE             gdb_flush (gdb_stdout);
 183 // OBSOLETE           }
 184 // OBSOLETE       }                     /* Per-packet (or S-record) loop */
 185 // OBSOLETE
 186 // OBSOLETE     monitor_expect_prompt (NULL, 0);
 187 // OBSOLETE
 188 // OBSOLETE     putchar_unfiltered ('\n');
 189 // OBSOLETE       }                             /* Loadable sections */
 190 // OBSOLETE
 191 // OBSOLETE   monitor_printf ("reg pc %x\r", bfd_get_start_address (abfd));
 192 // OBSOLETE   monitor_expect_prompt (NULL, 0);
 193 // OBSOLETE   monitor_printf ("reg npc %x\r", bfd_get_start_address (abfd) + 4);
 194 // OBSOLETE   monitor_expect_prompt (NULL, 0);
 195 // OBSOLETE
 196 // OBSOLETE   monitor_printf ("run\r");
 197 // OBSOLETE
 198 // OBSOLETE   end_time = time (NULL);
 199 // OBSOLETE
 200 // OBSOLETE   if (hashmark)
 201 // OBSOLETE     putchar_unfiltered ('\n');
 202 // OBSOLETE
 203 // OBSOLETE   report_transfer_performance (data_count, start_time, end_time);
 204 // OBSOLETE
 205 // OBSOLETE   pop_target ();
 206 // OBSOLETE   push_remote_target (monitor_get_dev_name (), 1);
 207 // OBSOLETE
 208 // OBSOLETE   throw_exception (RETURN_QUIT);
 209 // OBSOLETE }
 210 // OBSOLETE
 211 // OBSOLETE /* Define the monitor command strings. Since these are passed directly
 212 // OBSOLETE    through to a printf style function, we may include formatting
 213 // OBSOLETE    strings. We also need a CR or LF on the end.  */
 214 // OBSOLETE
 215 // OBSOLETE /* need to pause the monitor for timing reasons, so slow it down */
 216 // OBSOLETE
 217 // OBSOLETE static char *sparclet_inits[] =
 218 // OBSOLETE {"\n\r\r\n", NULL};
 219 // OBSOLETE
 220 // OBSOLETE static struct monitor_ops sparclet_cmds;
 221 // OBSOLETE
 222 // OBSOLETE static void
 223 // OBSOLETE init_sparclet_cmds (void)
 224 // OBSOLETE {
 225 // OBSOLETE   sparclet_cmds.flags = MO_CLR_BREAK_USES_ADDR |
 226 // OBSOLETE     MO_HEX_PREFIX |
 227 // OBSOLETE     MO_NO_ECHO_ON_OPEN |
 228 // OBSOLETE     MO_NO_ECHO_ON_SETMEM |
 229 // OBSOLETE     MO_RUN_FIRST_TIME |
 230 // OBSOLETE     MO_GETMEM_READ_SINGLE;  /* flags */
 231 // OBSOLETE   sparclet_cmds.init = sparclet_inits;      /* Init strings */
 232 // OBSOLETE   sparclet_cmds.cont = "cont\r";    /* continue command */
 233 // OBSOLETE   sparclet_cmds.step = "step\r";    /* single step */
 234 // OBSOLETE   sparclet_cmds.stop = "\r";        /* break interrupts the program */
 235 // OBSOLETE   sparclet_cmds.set_break = "+bp %x\r";             /* set a breakpoint */
 236 // OBSOLETE   sparclet_cmds.clr_break = "-bp %x\r";             /* can't use "br" because only 2 hw bps are supported */
 237 // OBSOLETE   sparclet_cmds.clr_all_break = "-bp %x\r"; /* clear a breakpoint */
 238 // OBSOLETE   "-bp\r";                  /* clear all breakpoints */
 239 // OBSOLETE   sparclet_cmds.fill = "fill %x -n %x -v %x -b\r";  /* fill (start length val) */
 240 // OBSOLETE   /* can't use "fi" because it takes words, not bytes */
 241 // OBSOLETE   /* ex [addr] [-n count] [-b|-s|-l]          default: ex cur -n 1 -b */
 242 // OBSOLETE   sparclet_cmds.setmem.cmdb = "ex %x -b\r%x\rq\r";  /* setmem.cmdb (addr, value) */
 243 // OBSOLETE   sparclet_cmds.setmem.cmdw = "ex %x -s\r%x\rq\r";  /* setmem.cmdw (addr, value) */
 244 // OBSOLETE   sparclet_cmds.setmem.cmdl = "ex %x -l\r%x\rq\r";  /* setmem.cmdl (addr, value) */
 245 // OBSOLETE   sparclet_cmds.setmem.cmdll = NULL;        /* setmem.cmdll (addr, value) */
 246 // OBSOLETE   sparclet_cmds.setmem.resp_delim = NULL;   /*": " *//* setmem.resp_delim */
 247 // OBSOLETE   sparclet_cmds.setmem.term = NULL; /*"? " *//* setmem.term */
 248 // OBSOLETE   sparclet_cmds.setmem.term_cmd = NULL;             /*"q\r" *//* setmem.term_cmd */
 249 // OBSOLETE   /* since the parsing of multiple bytes is difficult due to
 250 // OBSOLETE      interspersed addresses, we'll only read 1 value at a time,
 251 // OBSOLETE      even tho these can handle a count */
 252 // OBSOLETE   /* we can use -n to set count to read, but may have to parse? */
 253 // OBSOLETE   sparclet_cmds.getmem.cmdb = "ex %x -n 1 -b\r";    /* getmem.cmdb (addr, #bytes) */
 254 // OBSOLETE   sparclet_cmds.getmem.cmdw = "ex %x -n 1 -s\r";    /* getmem.cmdw (addr, #swords) */
 255 // OBSOLETE   sparclet_cmds.getmem.cmdl = "ex %x -n 1 -l\r";    /* getmem.cmdl (addr, #words) */
 256 // OBSOLETE   sparclet_cmds.getmem.cmdll = NULL;        /* getmem.cmdll (addr, #dwords) */
 257 // OBSOLETE   sparclet_cmds.getmem.resp_delim = ": ";   /* getmem.resp_delim */
 258 // OBSOLETE   sparclet_cmds.getmem.term = NULL; /* getmem.term */
 259 // OBSOLETE   sparclet_cmds.getmem.term_cmd = NULL;             /* getmem.term_cmd */
 260 // OBSOLETE   sparclet_cmds.setreg.cmd = "reg %s 0x%x\r";       /* setreg.cmd (name, value) */
 261 // OBSOLETE   sparclet_cmds.setreg.resp_delim = NULL;   /* setreg.resp_delim */
 262 // OBSOLETE   sparclet_cmds.setreg.term = NULL; /* setreg.term */
 263 // OBSOLETE   sparclet_cmds.setreg.term_cmd = NULL;             /* setreg.term_cmd */
 264 // OBSOLETE   sparclet_cmds.getreg.cmd = "reg %s\r";    /* getreg.cmd (name) */
 265 // OBSOLETE   sparclet_cmds.getreg.resp_delim = " ";    /* getreg.resp_delim */
 266 // OBSOLETE   sparclet_cmds.getreg.term = NULL; /* getreg.term */
 267 // OBSOLETE   sparclet_cmds.getreg.term_cmd = NULL;             /* getreg.term_cmd */
 268 // OBSOLETE   sparclet_cmds.dump_registers = "reg\r";   /* dump_registers */
 269 // OBSOLETE   sparclet_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */
 270 // OBSOLETE   sparclet_cmds.supply_register = sparclet_supply_register; /* supply_register */
 271 // OBSOLETE   sparclet_cmds.load_routine = sparclet_load;       /* load_routine */
 272 // OBSOLETE   sparclet_cmds.load = NULL;        /* download command (srecs on console) */
 273 // OBSOLETE   sparclet_cmds.loadresp = NULL;    /* load response */
 274 // OBSOLETE   sparclet_cmds.prompt = "monitor>";        /* monitor command prompt */
 275 // OBSOLETE   /* yikes!  gdb core dumps without this delimitor!! */
 276 // OBSOLETE   sparclet_cmds.line_term = "\r";   /* end-of-command delimitor */
 277 // OBSOLETE   sparclet_cmds.cmd_end = NULL;     /* optional command terminator */
 278 // OBSOLETE   sparclet_cmds.target = &sparclet_ops;             /* target operations */
 279 // OBSOLETE   sparclet_cmds.stopbits = SERIAL_1_STOPBITS;       /* number of stop bits */
 280 // OBSOLETE   sparclet_cmds.regnames = sparclet_regnames;       /* registers names */
 281 // OBSOLETE   sparclet_cmds.magic = MONITOR_OPS_MAGIC;  /* magic */
 282 // OBSOLETE };
 283 // OBSOLETE
 284 // OBSOLETE static void
 285 // OBSOLETE sparclet_open (char *args, int from_tty)
 286 // OBSOLETE {
 287 // OBSOLETE   monitor_open (args, &sparclet_cmds, from_tty);
 288 // OBSOLETE }
 289 // OBSOLETE
 290 // OBSOLETE void
 291 // OBSOLETE _initialize_sparclet (void)
 292 // OBSOLETE {
 293 // OBSOLETE   int i;
 294 // OBSOLETE   init_sparclet_cmds ();
 295 // OBSOLETE
 296 // OBSOLETE   for (i = 0; i < NUM_REGS; i++)
 297 // OBSOLETE     if (sparclet_regnames[i][0] == 'c' ||
 298 // OBSOLETE     sparclet_regnames[i][0] == 'a')
 299 // OBSOLETE       sparclet_regnames[i] = 0;     /* mon can't report c* or a* regs */
 300 // OBSOLETE
 301 // OBSOLETE   sparclet_regnames[0] = 0; /* mon won't report %G0 */
 302 // OBSOLETE
 303 // OBSOLETE   init_monitor_ops (&sparclet_ops);
 304 // OBSOLETE   sparclet_ops.to_shortname = "sparclet";   /* for the target command */
 305 // OBSOLETE   sparclet_ops.to_longname = "SPARC Sparclet monitor";
 306 // OBSOLETE   /* use SW breaks; target only supports 2 HW breakpoints */
 307 // OBSOLETE   sparclet_ops.to_insert_breakpoint = memory_insert_breakpoint;
 308 // OBSOLETE   sparclet_ops.to_remove_breakpoint = memory_remove_breakpoint;
 309 // OBSOLETE
 310 // OBSOLETE   sparclet_ops.to_doc =
 311 // OBSOLETE     "Use a board running the Sparclet debug monitor.\n\
 312 // OBSOLETE Specify the serial device it is connected to (e.g. /dev/ttya).";
 313 // OBSOLETE
 314 // OBSOLETE   sparclet_ops.to_open = sparclet_open;
 315 // OBSOLETE   add_target (&sparclet_ops);
 316 // OBSOLETE }