/* Remote debugging interface for DINK32 (PowerPC) ROM monitor for GDB, the GNU debugger. Copyright (C) 1997, 1999, 2000, 2001, 2007, 2008, 2009 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "defs.h" #include "gdbcore.h" #include "target.h" #include "monitor.h" #include "serial.h" #include "symfile.h" /* For generic_load() */ #include "inferior.h" #include "regcache.h" static void dink32_open (char *args, int from_tty); static void dink32_supply_register (struct regcache *regcache, char *regname, int regnamelen, char *val, int vallen) { int regno = 0; if (regnamelen < 2 || regnamelen > 4) return; switch (regname[0]) { case 'R': if (regname[1] < '0' || regname[1] > '9') return; if (regnamelen == 2) regno = regname[1] - '0'; else if (regnamelen == 3 && regname[2] >= '0' && regname[2] <= '9') regno = (regname[1] - '0') * 10 + (regname[2] - '0'); else return; break; case 'F': if (regname[1] != 'R' || regname[2] < '0' || regname[2] > '9') return; if (regnamelen == 3) regno = 32 + regname[2] - '0'; else if (regnamelen == 4 && regname[3] >= '0' && regname[3] <= '9') regno = 32 + (regname[2] - '0') * 10 + (regname[3] - '0'); else return; break; case 'I': if (regnamelen != 2 || regname[1] != 'P') return; regno = 64; break; case 'M': if (regnamelen != 3 || regname[1] != 'S' || regname[2] != 'R') return; regno = 65; break; case 'C': if (regnamelen != 2 || regname[1] != 'R') return; regno = 66; break; case 'S': if (regnamelen != 4 || regname[1] != 'P' || regname[2] != 'R') return; else if (regname[3] == '8') regno = 67; else if (regname[3] == '9') regno = 68; else if (regname[3] == '1') regno = 69; else if (regname[3] == '0') regno = 70; else return; break; default: return; } monitor_supply_register (regcache, regno, val); } /* This array of registers needs to match the indexes used by GDB. The whole reason this exists is because the various ROM monitors use different names than GDB does, and don't support all the registers either. */ static char *dink32_regnames[] = { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", "srr0", "msr", "cr", "lr", "ctr", "xer", "xer" }; static struct target_ops dink32_ops; static char *dink32_inits[] = {"\r", NULL}; static struct monitor_ops dink32_cmds; static void dink32_open (char *args, int from_tty) { monitor_open (args, &dink32_cmds, from_tty); } extern initialize_file_ftype _initialize_dink32_rom; /* -Wmissing-prototypes */ void _initialize_dink32_rom (void) { dink32_cmds.flags = MO_HEX_PREFIX | MO_GETMEM_NEEDS_RANGE | MO_FILL_USES_ADDR | MO_HANDLE_NL | MO_32_REGS_PAIRED | MO_SETREG_INTERACTIVE | MO_SETMEM_INTERACTIVE | MO_GETMEM_16_BOUNDARY | MO_CLR_BREAK_1_BASED | MO_SREC_ACK | MO_SREC_ACK_ROTATE; dink32_cmds.init = dink32_inits; dink32_cmds.cont = "go +\r"; dink32_cmds.step = "tr +\r"; dink32_cmds.set_break = "bp 0x%x\r"; dink32_cmds.clr_break = "bp %d\r"; #if 0 /* Would need to follow strict alignment rules.. */ dink32_cmds.fill = "mf %x %x %x\r"; #endif dink32_cmds.setmem.cmdb = "mm -b %x\r"; dink32_cmds.setmem.cmdw = "mm -w %x\r"; dink32_cmds.setmem.cmdl = "mm %x\r"; dink32_cmds.setmem.term = " ? "; dink32_cmds.getmem.cmdb = "md %x\r"; dink32_cmds.getmem.resp_delim = " "; dink32_cmds.setreg.cmd = "rm %s\r"; dink32_cmds.setreg.term = " ? "; dink32_cmds.getreg.cmd = "rd %s\r"; dink32_cmds.getreg.resp_delim = ": "; dink32_cmds.dump_registers = "rd r\r"; dink32_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; dink32_cmds.supply_register = dink32_supply_register; /* S-record download, via "keyboard port". */ dink32_cmds.load = "dl -k\r"; dink32_cmds.loadresp = "Set Input Port : set to Keyboard Port\r"; dink32_cmds.prompt = "DINK32_603 >>"; dink32_cmds.line_term = "\r"; dink32_cmds.target = &dink32_ops; dink32_cmds.stopbits = SERIAL_1_STOPBITS; dink32_cmds.regnames = dink32_regnames; dink32_cmds.magic = MONITOR_OPS_MAGIC; init_monitor_ops (&dink32_ops); dink32_ops.to_shortname = "dink32"; dink32_ops.to_longname = "DINK32 monitor"; dink32_ops.to_doc = "Debug using the DINK32 monitor.\n\ Specify the serial device it is connected to (e.g. /dev/ttya)."; dink32_ops.to_open = dink32_open; add_target (&dink32_ops); }