/* Remote debugging interface for DINK32 (PowerPC) ROM monitor for
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/* Remote debugging interface for DINK32 (PowerPC) ROM monitor for
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GDB, the GNU debugger.
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GDB, the GNU debugger.
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Copyright 1997 Free Software Foundation, Inc.
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Copyright 1997 Free Software Foundation, Inc.
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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Boston, MA 02111-1307, USA. */
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#include "defs.h"
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#include "defs.h"
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#include "gdbcore.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "target.h"
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#include "monitor.h"
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#include "monitor.h"
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#include "serial.h"
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#include "serial.h"
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#include "symfile.h" /* For generic_load() */
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#include "symfile.h" /* For generic_load() */
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#include "inferior.h" /* For write_pc() */
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#include "inferior.h" /* For write_pc() */
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static void dink32_open PARAMS ((char *args, int from_tty));
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static void dink32_open PARAMS ((char *args, int from_tty));
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static void
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static void
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dink32_supply_register (regname, regnamelen, val, vallen)
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dink32_supply_register (regname, regnamelen, val, vallen)
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char *regname;
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char *regname;
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int regnamelen;
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int regnamelen;
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char *val;
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char *val;
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int vallen;
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int vallen;
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{
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{
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int regno = 0;
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int regno = 0;
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if (regnamelen < 2 || regnamelen > 4)
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if (regnamelen < 2 || regnamelen > 4)
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return;
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return;
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switch (regname[0])
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switch (regname[0])
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{
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{
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case 'R':
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case 'R':
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if (regname[1] < '0' || regname[1] > '9')
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if (regname[1] < '0' || regname[1] > '9')
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return;
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return;
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if (regnamelen == 2)
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if (regnamelen == 2)
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regno = regname[1] - '0';
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regno = regname[1] - '0';
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else if (regnamelen == 3 && regname[2] >= '0' && regname[2] <= '9')
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else if (regnamelen == 3 && regname[2] >= '0' && regname[2] <= '9')
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regno = (regname[1] - '0') * 10 + (regname[2] - '0');
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regno = (regname[1] - '0') * 10 + (regname[2] - '0');
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else
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else
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return;
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return;
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break;
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break;
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case 'F':
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case 'F':
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if (regname[1] != 'R' || regname[2] < '0' || regname[2] > '9')
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if (regname[1] != 'R' || regname[2] < '0' || regname[2] > '9')
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return;
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return;
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if (regnamelen == 3)
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if (regnamelen == 3)
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regno = 32 + regname[2] - '0';
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regno = 32 + regname[2] - '0';
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else if (regnamelen == 4 && regname[3] >= '0' && regname[3] <= '9')
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else if (regnamelen == 4 && regname[3] >= '0' && regname[3] <= '9')
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regno = 32 + (regname[2] - '0') * 10 + (regname[3] - '0');
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regno = 32 + (regname[2] - '0') * 10 + (regname[3] - '0');
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else
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else
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return;
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return;
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break;
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break;
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case 'I':
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case 'I':
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if (regnamelen != 2 || regname[1] != 'P')
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if (regnamelen != 2 || regname[1] != 'P')
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return;
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return;
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regno = 64;
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regno = 64;
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break;
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break;
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case 'M':
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case 'M':
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if (regnamelen != 3 || regname[1] != 'S' || regname[2] != 'R')
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if (regnamelen != 3 || regname[1] != 'S' || regname[2] != 'R')
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return;
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return;
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regno = 65;
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regno = 65;
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break;
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break;
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case 'C':
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case 'C':
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if (regnamelen != 2 || regname[1] != 'R')
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if (regnamelen != 2 || regname[1] != 'R')
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return;
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return;
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regno = 66;
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regno = 66;
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break;
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break;
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case 'S':
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case 'S':
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if (regnamelen != 4 || regname[1] != 'P' || regname[2] != 'R')
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if (regnamelen != 4 || regname[1] != 'P' || regname[2] != 'R')
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return;
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return;
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else if (regname[3] == '8')
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else if (regname[3] == '8')
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regno = 67;
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regno = 67;
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else if (regname[3] == '9')
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else if (regname[3] == '9')
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regno = 68;
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regno = 68;
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else if (regname[3] == '1')
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else if (regname[3] == '1')
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regno = 69;
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regno = 69;
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else if (regname[3] == '0')
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else if (regname[3] == '0')
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regno = 70;
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regno = 70;
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else
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else
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return;
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return;
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break;
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break;
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default:
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default:
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return;
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return;
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}
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}
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monitor_supply_register (regno, val);
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monitor_supply_register (regno, val);
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}
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}
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static void
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static void
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dink32_load (monops, filename, from_tty)
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dink32_load (monops, filename, from_tty)
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struct monitor_ops *monops;
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struct monitor_ops *monops;
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char *filename;
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char *filename;
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int from_tty;
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int from_tty;
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{
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{
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extern int inferior_pid;
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extern int inferior_pid;
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generic_load (filename, from_tty);
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generic_load (filename, from_tty);
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/* Finally, make the PC point at the start address */
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/* Finally, make the PC point at the start address */
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if (exec_bfd)
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if (exec_bfd)
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write_pc (bfd_get_start_address (exec_bfd));
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write_pc (bfd_get_start_address (exec_bfd));
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inferior_pid = 0; /* No process now */
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inferior_pid = 0; /* No process now */
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}
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}
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/* This array of registers needs to match the indexes used by GDB. The
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/* This array of registers needs to match the indexes used by GDB. The
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whole reason this exists is because the various ROM monitors use
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whole reason this exists is because the various ROM monitors use
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different names than GDB does, and don't support all the registers
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different names than GDB does, and don't support all the registers
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either. */
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either. */
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static char *dink32_regnames[NUM_REGS] =
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static char *dink32_regnames[NUM_REGS] =
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{
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{
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
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"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
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"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
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"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
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"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
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"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
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"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
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"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
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"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
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"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
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"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
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"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
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"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
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"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
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"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
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"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",
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"srr0", "msr", "cr", "lr", "ctr", "xer", "xer"
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"srr0", "msr", "cr", "lr", "ctr", "xer", "xer"
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};
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};
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static struct target_ops dink32_ops;
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static struct target_ops dink32_ops;
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static char *dink32_inits[] =
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static char *dink32_inits[] =
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{"\r", NULL};
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{"\r", NULL};
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static struct monitor_ops dink32_cmds;
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static struct monitor_ops dink32_cmds;
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static void
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static void
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dink32_open (args, from_tty)
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dink32_open (args, from_tty)
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char *args;
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char *args;
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int from_tty;
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int from_tty;
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{
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{
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monitor_open (args, &dink32_cmds, from_tty);
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monitor_open (args, &dink32_cmds, from_tty);
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}
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}
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void
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void
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_initialize_dink32_rom ()
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_initialize_dink32_rom ()
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{
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{
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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;
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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;
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dink32_cmds.init = dink32_inits;
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dink32_cmds.init = dink32_inits;
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dink32_cmds.cont = "go +\r";
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dink32_cmds.cont = "go +\r";
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dink32_cmds.step = "tr +\r";
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dink32_cmds.step = "tr +\r";
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dink32_cmds.set_break = "bp 0x%x\r";
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dink32_cmds.set_break = "bp 0x%x\r";
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dink32_cmds.clr_break = "bp %d\r";
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dink32_cmds.clr_break = "bp %d\r";
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#if 0 /* Would need to follow strict alignment rules.. */
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#if 0 /* Would need to follow strict alignment rules.. */
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dink32_cmds.fill = "mf %x %x %x\r";
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dink32_cmds.fill = "mf %x %x %x\r";
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#endif
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#endif
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dink32_cmds.setmem.cmdb = "mm -b %x\r";
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dink32_cmds.setmem.cmdb = "mm -b %x\r";
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dink32_cmds.setmem.cmdw = "mm -w %x\r";
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dink32_cmds.setmem.cmdw = "mm -w %x\r";
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dink32_cmds.setmem.cmdl = "mm %x\r";
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dink32_cmds.setmem.cmdl = "mm %x\r";
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dink32_cmds.setmem.term = " ? ";
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dink32_cmds.setmem.term = " ? ";
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dink32_cmds.getmem.cmdb = "md %x\r";
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dink32_cmds.getmem.cmdb = "md %x\r";
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dink32_cmds.getmem.resp_delim = " ";
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dink32_cmds.getmem.resp_delim = " ";
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dink32_cmds.setreg.cmd = "rm %s\r";
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dink32_cmds.setreg.cmd = "rm %s\r";
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dink32_cmds.setreg.term = " ? ";
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dink32_cmds.setreg.term = " ? ";
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dink32_cmds.getreg.cmd = "rd %s\r";
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dink32_cmds.getreg.cmd = "rd %s\r";
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dink32_cmds.getreg.resp_delim = ": ";
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dink32_cmds.getreg.resp_delim = ": ";
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dink32_cmds.dump_registers = "rd r\r";
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dink32_cmds.dump_registers = "rd r\r";
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dink32_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)";
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dink32_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)";
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dink32_cmds.supply_register = dink32_supply_register;
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dink32_cmds.supply_register = dink32_supply_register;
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/* S-record download, via "keyboard port". */
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/* S-record download, via "keyboard port". */
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dink32_cmds.load = "dl -k\r";
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dink32_cmds.load = "dl -k\r";
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dink32_cmds.loadresp = "Set Input Port : set to Keyboard Port\r";
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dink32_cmds.loadresp = "Set Input Port : set to Keyboard Port\r";
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#if 0 /* slow load routine not needed if S-records work... */
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#if 0 /* slow load routine not needed if S-records work... */
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dink32_cmds.load_routine = dink32_load;
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dink32_cmds.load_routine = dink32_load;
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#endif
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#endif
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dink32_cmds.prompt = "DINK32_603 >>";
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dink32_cmds.prompt = "DINK32_603 >>";
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dink32_cmds.line_term = "\r";
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dink32_cmds.line_term = "\r";
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dink32_cmds.target = &dink32_ops;
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dink32_cmds.target = &dink32_ops;
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dink32_cmds.stopbits = SERIAL_1_STOPBITS;
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dink32_cmds.stopbits = SERIAL_1_STOPBITS;
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dink32_cmds.regnames = dink32_regnames;
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dink32_cmds.regnames = dink32_regnames;
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dink32_cmds.magic = MONITOR_OPS_MAGIC;
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dink32_cmds.magic = MONITOR_OPS_MAGIC;
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init_monitor_ops (&dink32_ops);
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init_monitor_ops (&dink32_ops);
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dink32_ops.to_shortname = "dink32";
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dink32_ops.to_shortname = "dink32";
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dink32_ops.to_longname = "DINK32 monitor";
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dink32_ops.to_longname = "DINK32 monitor";
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dink32_ops.to_doc = "Debug using the DINK32 monitor.\n\
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dink32_ops.to_doc = "Debug using the DINK32 monitor.\n\
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Specify the serial device it is connected to (e.g. /dev/ttya).";
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Specify the serial device it is connected to (e.g. /dev/ttya).";
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dink32_ops.to_open = dink32_open;
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dink32_ops.to_open = dink32_open;
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add_target (&dink32_ops);
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add_target (&dink32_ops);
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}
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}
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