| 1 | /* Remote target glue for the Hitachi SH-3 ROM monitor. |
| 2 | Copyright 1995, 1996, 2000 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, |
| 19 | Boston, MA 02111-1307, USA. */ |
| 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 "arch-utils.h" |
| 28 | |
| 29 | static serial_t parallel; |
| 30 | static int parallel_in_use; |
| 31 | |
| 32 | static void sh3_open (char *args, int from_tty); |
| 33 | |
| 34 | static void |
| 35 | sh3_supply_register (char *regname, int regnamelen, char *val, int vallen) |
| 36 | { |
| 37 | int numregs; |
| 38 | int regno; |
| 39 | |
| 40 | numregs = 1; |
| 41 | regno = -1; |
| 42 | |
| 43 | if (regnamelen == 2) |
| 44 | { |
| 45 | switch (regname[0]) |
| 46 | { |
| 47 | case 'S': |
| 48 | if (regname[1] == 'R') |
| 49 | regno = SR_REGNUM; |
| 50 | break; |
| 51 | case 'P': |
| 52 | if (regname[1] == 'C') |
| 53 | regno = PC_REGNUM; |
| 54 | else if (regname[1] == 'R') |
| 55 | regno = PR_REGNUM; |
| 56 | break; |
| 57 | } |
| 58 | } |
| 59 | else if (regnamelen == 3) |
| 60 | { |
| 61 | switch (regname[0]) |
| 62 | { |
| 63 | case 'G': |
| 64 | case 'V': |
| 65 | if (regname[1] == 'B' && regname[2] == 'R') |
| 66 | { |
| 67 | if (regname[0] == 'G') |
| 68 | regno = VBR_REGNUM; |
| 69 | else |
| 70 | regno = GBR_REGNUM; |
| 71 | } |
| 72 | break; |
| 73 | case 'S': |
| 74 | if (regname[1] == 'S' && regname[2] == 'R') |
| 75 | regno = gdbarch_tdep (current_gdbarch)->SSR_REGNUM; |
| 76 | else if (regname[1] == 'P' && regname[2] == 'C') |
| 77 | regno = gdbarch_tdep (current_gdbarch)->SPC_REGNUM; |
| 78 | break; |
| 79 | } |
| 80 | } |
| 81 | else if (regnamelen == 4) |
| 82 | { |
| 83 | switch (regname[0]) |
| 84 | { |
| 85 | case 'M': |
| 86 | if (regname[1] == 'A' && regname[2] == 'C') |
| 87 | { |
| 88 | if (regname[3] == 'H') |
| 89 | regno = MACH_REGNUM; |
| 90 | else if (regname[3] == 'L') |
| 91 | regno = MACL_REGNUM; |
| 92 | } |
| 93 | break; |
| 94 | case 'R': |
| 95 | if (regname[1] == '0' && regname[2] == '-' && regname[3] == '7') |
| 96 | { |
| 97 | regno = R0_REGNUM; |
| 98 | numregs = 8; |
| 99 | } |
| 100 | } |
| 101 | } |
| 102 | else if (regnamelen == 5) |
| 103 | { |
| 104 | if (regname[1] == '8' && regname[2] == '-' && regname[3] == '1' |
| 105 | && regname[4] == '5') |
| 106 | { |
| 107 | regno = R0_REGNUM + 8; |
| 108 | numregs = 8; |
| 109 | } |
| 110 | } |
| 111 | else if (regnamelen == 17) |
| 112 | { |
| 113 | } |
| 114 | |
| 115 | if (regno >= 0) |
| 116 | while (numregs-- > 0) |
| 117 | val = monitor_supply_register (regno++, val); |
| 118 | } |
| 119 | |
| 120 | static void |
| 121 | sh3_load (serial_t desc, char *file, int hashmark) |
| 122 | { |
| 123 | if (parallel_in_use) |
| 124 | { |
| 125 | monitor_printf ("pl;s\r"); |
| 126 | load_srec (parallel, file, 0, 80, SREC_ALL, hashmark, NULL); |
| 127 | monitor_expect_prompt (NULL, 0); |
| 128 | } |
| 129 | else |
| 130 | { |
| 131 | monitor_printf ("il;s:x\r"); |
| 132 | monitor_expect ("\005", NULL, 0); /* Look for ENQ */ |
| 133 | SERIAL_WRITE (desc, "\006", 1); /* Send ACK */ |
| 134 | monitor_expect ("LO x\r", NULL, 0); /* Look for filename */ |
| 135 | |
| 136 | load_srec (desc, file, 0, 80, SREC_ALL, hashmark, NULL); |
| 137 | |
| 138 | monitor_expect ("\005", NULL, 0); /* Look for ENQ */ |
| 139 | SERIAL_WRITE (desc, "\006", 1); /* Send ACK */ |
| 140 | monitor_expect_prompt (NULL, 0); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | /* This array of registers need to match the indexes used by GDB. |
| 145 | This exists because the various ROM monitors use different strings |
| 146 | than does GDB, and don't necessarily support all the registers |
| 147 | either. So, typing "info reg sp" becomes a "r30". */ |
| 148 | |
| 149 | static char *sh3_regnames[] = |
| 150 | { |
| 151 | "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", |
| 152 | "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15", |
| 153 | "PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR", |
| 154 | NULL, NULL, |
| 155 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
| 156 | NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, |
| 157 | "SSR", "SPC", |
| 158 | "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0", |
| 159 | "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0", |
| 160 | "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1", |
| 161 | "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1" |
| 162 | }; |
| 163 | |
| 164 | static char *sh3e_regnames[] = |
| 165 | { |
| 166 | "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", |
| 167 | "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15", |
| 168 | "PC", "PR", "GBR", "VBR", "MACH", "MACL", "SR", |
| 169 | "FPUL", "FPSCR", |
| 170 | "FR0", "FR1", "FR2", "FR3", "FR4", "FR5", "FR6", "FR7", |
| 171 | "FR8", "FR9", "FR10", "FR11", "FR12", "FR13", "FR14", "FR15", |
| 172 | "SSR", "SPC", |
| 173 | "R0_BANK0", "R1_BANK0", "R2_BANK0", "R3_BANK0", |
| 174 | "R4_BANK0", "R5_BANK0", "R6_BANK0", "R7_BANK0", |
| 175 | "R0_BANK1", "R1_BANK1", "R2_BANK1", "R3_BANK1", |
| 176 | "R4_BANK1", "R5_BANK1", "R6_BANK1", "R7_BANK1" |
| 177 | }; |
| 178 | |
| 179 | /* Define the monitor command strings. Since these are passed directly |
| 180 | through to a printf style function, we may include formatting |
| 181 | strings. We also need a CR or LF on the end. */ |
| 182 | |
| 183 | static struct target_ops sh3_ops, sh3e_ops; |
| 184 | |
| 185 | static char *sh3_inits[] = |
| 186 | {"\003", NULL}; /* Exits sub-command mode & download cmds */ |
| 187 | |
| 188 | static struct monitor_ops sh3_cmds; |
| 189 | |
| 190 | static void |
| 191 | init_sh3_cmds (void) |
| 192 | { |
| 193 | sh3_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_GETMEM_READ_SINGLE; /* flags */ |
| 194 | sh3_cmds.init = sh3_inits; /* monitor init string */ |
| 195 | sh3_cmds.cont = "g\r"; /* continue command */ |
| 196 | sh3_cmds.step = "s\r"; /* single step */ |
| 197 | sh3_cmds.stop = "\003"; /* Interrupt program */ |
| 198 | sh3_cmds.set_break = "b %x\r"; /* set a breakpoint */ |
| 199 | sh3_cmds.clr_break = "b -%x\r"; /* clear a breakpoint */ |
| 200 | sh3_cmds.clr_all_break = "b -\r"; /* clear all breakpoints */ |
| 201 | sh3_cmds.fill = "f %x @%x %x\r"; /* fill (start len val) */ |
| 202 | sh3_cmds.setmem.cmdb = "m %x %x\r"; /* setmem.cmdb (addr, value) */ |
| 203 | sh3_cmds.setmem.cmdw = "m %x %x;w\r"; /* setmem.cmdw (addr, value) */ |
| 204 | sh3_cmds.setmem.cmdl = "m %x %x;l\r"; /* setmem.cmdl (addr, value) */ |
| 205 | sh3_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */ |
| 206 | sh3_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */ |
| 207 | sh3_cmds.setmem.term = NULL; /* setreg.term */ |
| 208 | sh3_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */ |
| 209 | sh3_cmds.getmem.cmdb = "m %x\r"; /* getmem.cmdb (addr, len) */ |
| 210 | sh3_cmds.getmem.cmdw = "m %x;w\r"; /* getmem.cmdw (addr, len) */ |
| 211 | sh3_cmds.getmem.cmdl = "m %x;l\r"; /* getmem.cmdl (addr, len) */ |
| 212 | sh3_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */ |
| 213 | sh3_cmds.getmem.resp_delim = "^ [0-9A-F]+ "; /* getmem.resp_delim */ |
| 214 | sh3_cmds.getmem.term = "? "; /* getmem.term */ |
| 215 | sh3_cmds.getmem.term_cmd = ".\r"; /* getmem.term_cmd */ |
| 216 | sh3_cmds.setreg.cmd = ".%s %x\r"; /* setreg.cmd (name, value) */ |
| 217 | sh3_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */ |
| 218 | sh3_cmds.setreg.term = NULL; /* setreg.term */ |
| 219 | sh3_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */ |
| 220 | sh3_cmds.getreg.cmd = ".%s\r"; /* getreg.cmd (name) */ |
| 221 | sh3_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */ |
| 222 | sh3_cmds.getreg.term = "? "; /* getreg.term */ |
| 223 | sh3_cmds.getreg.term_cmd = ".\r"; /* getreg.term_cmd */ |
| 224 | sh3_cmds.dump_registers = "r\r"; /* dump_registers */ |
| 225 | sh3_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\( +[0-9a-fA-F]+\\b\\)*\\)"; |
| 226 | sh3_cmds.supply_register = sh3_supply_register; /* supply_register */ |
| 227 | sh3_cmds.load_routine = sh3_load; /* load_routine */ |
| 228 | sh3_cmds.load = NULL; /* download command */ |
| 229 | sh3_cmds.loadresp = NULL; /* Load response */ |
| 230 | sh3_cmds.prompt = "\n:"; /* monitor command prompt */ |
| 231 | sh3_cmds.line_term = "\r"; /* end-of-line terminator */ |
| 232 | sh3_cmds.cmd_end = ".\r"; /* optional command terminator */ |
| 233 | sh3_cmds.target = &sh3_ops; /* target operations */ |
| 234 | sh3_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */ |
| 235 | sh3_cmds.regnames = sh3_regnames; /* registers names */ |
| 236 | sh3_cmds.magic = MONITOR_OPS_MAGIC; /* magic */ |
| 237 | } /* init_sh3_cmds */ |
| 238 | |
| 239 | /* This monitor structure is identical except for a couple slots, so |
| 240 | we will fill it in from the base structure when needed. */ |
| 241 | |
| 242 | static struct monitor_ops sh3e_cmds; |
| 243 | |
| 244 | static void |
| 245 | sh3_open (char *args, int from_tty) |
| 246 | { |
| 247 | char *serial_port_name = args; |
| 248 | char *parallel_port_name = 0; |
| 249 | |
| 250 | if (args) |
| 251 | { |
| 252 | char *cursor = serial_port_name = strsave (args); |
| 253 | |
| 254 | while (*cursor && *cursor != ' ') |
| 255 | cursor++; |
| 256 | |
| 257 | if (*cursor) |
| 258 | *cursor++ = 0; |
| 259 | |
| 260 | while (*cursor == ' ') |
| 261 | cursor++; |
| 262 | |
| 263 | if (*cursor) |
| 264 | parallel_port_name = cursor; |
| 265 | } |
| 266 | |
| 267 | monitor_open (serial_port_name, &sh3_cmds, from_tty); |
| 268 | |
| 269 | if (parallel_port_name) |
| 270 | { |
| 271 | parallel = SERIAL_OPEN (parallel_port_name); |
| 272 | |
| 273 | if (!parallel) |
| 274 | perror_with_name ("Unable to open parallel port."); |
| 275 | |
| 276 | parallel_in_use = 1; |
| 277 | } |
| 278 | |
| 279 | /* If we connected successfully, we know the processor is an SH3. */ |
| 280 | set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3); |
| 281 | } |
| 282 | |
| 283 | |
| 284 | static void |
| 285 | sh3e_open (char *args, int from_tty) |
| 286 | { |
| 287 | char *serial_port_name = args; |
| 288 | char *parallel_port_name = 0; |
| 289 | |
| 290 | if (args) |
| 291 | { |
| 292 | char *cursor = serial_port_name = strsave (args); |
| 293 | |
| 294 | while (*cursor && *cursor != ' ') |
| 295 | cursor++; |
| 296 | |
| 297 | if (*cursor) |
| 298 | *cursor++ = 0; |
| 299 | |
| 300 | while (*cursor == ' ') |
| 301 | cursor++; |
| 302 | |
| 303 | if (*cursor) |
| 304 | parallel_port_name = cursor; |
| 305 | } |
| 306 | |
| 307 | /* Set up the SH-3E monitor commands structure. */ |
| 308 | |
| 309 | memcpy (&sh3e_cmds, &sh3_cmds, sizeof (struct monitor_ops)); |
| 310 | |
| 311 | sh3e_cmds.target = &sh3e_ops; |
| 312 | sh3e_cmds.regnames = sh3e_regnames; |
| 313 | |
| 314 | monitor_open (serial_port_name, &sh3e_cmds, from_tty); |
| 315 | |
| 316 | if (parallel_port_name) |
| 317 | { |
| 318 | parallel = SERIAL_OPEN (parallel_port_name); |
| 319 | |
| 320 | if (!parallel) |
| 321 | perror_with_name ("Unable to open parallel port."); |
| 322 | |
| 323 | parallel_in_use = 1; |
| 324 | } |
| 325 | |
| 326 | /* If we connected successfully, we know the processor is an SH3E. */ |
| 327 | set_architecture_from_arch_mach (bfd_arch_sh, bfd_mach_sh3); |
| 328 | } |
| 329 | |
| 330 | static void |
| 331 | sh3_close (int quitting) |
| 332 | { |
| 333 | monitor_close (quitting); |
| 334 | if (parallel_in_use) |
| 335 | { |
| 336 | SERIAL_CLOSE (parallel); |
| 337 | parallel_in_use = 0; |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | void |
| 342 | _initialize_sh3_rom (void) |
| 343 | { |
| 344 | init_sh3_cmds (); |
| 345 | init_monitor_ops (&sh3_ops); |
| 346 | |
| 347 | sh3_ops.to_shortname = "sh3"; |
| 348 | sh3_ops.to_longname = "Hitachi SH-3 rom monitor"; |
| 349 | |
| 350 | sh3_ops.to_doc = |
| 351 | #ifdef _WINDOWS |
| 352 | /* On windows we can talk through the parallel port too. */ |
| 353 | "Debug on a Hitachi eval board running the SH-3 rom monitor.\n" |
| 354 | "Specify the serial device it is connected to (e.g. com2).\n" |
| 355 | "If you want to use the parallel port to download to it, specify that\n" |
| 356 | "as the second argument. (e.g. lpt1)"; |
| 357 | #else |
| 358 | "Debug on a Hitachi eval board running the SH-3 rom monitor.\n\ |
| 359 | Specify the serial device it is connected to (e.g. /dev/ttya)."; |
| 360 | #endif |
| 361 | |
| 362 | sh3_ops.to_open = sh3_open; |
| 363 | sh3_ops.to_close = sh3_close; |
| 364 | |
| 365 | add_target (&sh3_ops); |
| 366 | |
| 367 | /* Setup the SH3e, which has float registers. */ |
| 368 | |
| 369 | init_monitor_ops (&sh3e_ops); |
| 370 | |
| 371 | sh3e_ops.to_shortname = "sh3e"; |
| 372 | sh3e_ops.to_longname = "Hitachi SH-3E rom monitor"; |
| 373 | |
| 374 | sh3e_ops.to_doc = |
| 375 | #ifdef _WINDOWS |
| 376 | /* On windows we can talk through the parallel port too. */ |
| 377 | "Debug on a Hitachi eval board running the SH-3E rom monitor.\n" |
| 378 | "Specify the serial device it is connected to (e.g. com2).\n" |
| 379 | "If you want to use the parallel port to download to it, specify that\n" |
| 380 | "as the second argument. (e.g. lpt1)"; |
| 381 | #else |
| 382 | "Debug on a Hitachi eval board running the SH-3E rom monitor.\n\ |
| 383 | Specify the serial device it is connected to (e.g. /dev/ttya)."; |
| 384 | #endif |
| 385 | |
| 386 | sh3e_ops.to_open = sh3e_open; |
| 387 | sh3e_ops.to_close = sh3_close; |
| 388 | |
| 389 | add_target (&sh3e_ops); |
| 390 | } |