[deliverable/binutils-gdb.git] / gdb / ppcbug-rom.c

/* Remote debugging interface for PPCbug (PowerPC) Rom monitor
   for GDB, the GNU debugger.
   Copyright 1995 Free Software Foundation, Inc.

   Written by Stu Grossman of Cygnus Support

   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 2 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, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include "defs.h"
#include "gdbcore.h"
#include "target.h"
#include "monitor.h"
#include "serial.h"

static void
ppcbug_supply_register (regname, regnamelen, val, vallen)
     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 (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. So, typing "info reg sp" becomes an "A7".
 */

static char *ppcbug_regnames[NUM_REGS] =
{
  "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",

  "fr0", "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7",
  "fr8", "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
  "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
  "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31",

/* pc      ps      cnd     lr      cnt     xer     mq */
  "ip", "msr", "cr", "spr8", "spr9", "spr1", "spr0"
};

/*
 * Define the monitor command strings. Since these are passed directly
 * through to a printf style function, we need can include formatting
 * strings. We also need a CR or LF on the end.
 */

static struct target_ops ppcbug_ops0;
static struct target_ops ppcbug_ops1;

static char *ppcbug_inits[] =
{"\r", NULL};

static void
init_ppc_cmds (char *LOAD_CMD,
	       struct monitor_ops *OPS,
	       struct target_ops *targops)
{
  OPS->flags = MO_CLR_BREAK_USES_ADDR | MO_HANDLE_NL;
  OPS->init = ppcbug_inits;	/* Init strings */
  OPS->cont = "g\r";		/* continue command */
  OPS->step = "t\r";		/* single step */
  OPS->stop = NULL;		/* interrupt command */
  OPS->set_break = "br %x\r";	/* set a breakpoint */
  OPS->clr_break = "nobr %x\r";	/* clear a breakpoint */
  OPS->clr_all_break = "nobr\r";	/* clear all breakpoints */
  OPS->fill = "bf %x:%x %x;b\r";	/* fill (start count val) */
  OPS->setmem.cmdb = "ms %x %02x\r";	/* setmem.cmdb (addr, value) */
  OPS->setmem.cmdw = "ms %x %04x\r";	/* setmem.cmdw (addr, value) */
  OPS->setmem.cmdl = "ms %x %08x\r";	/* setmem.cmdl (addr, value) */
  OPS->setmem.cmdll = NULL;	/* setmem.cmdll (addr, value) */
  OPS->setmem.resp_delim = NULL;	/* setreg.resp_delim */
  OPS->setmem.term = NULL;	/* setreg.term */
  OPS->setmem.term_cmd = NULL;	/* setreg.term_cmd */
  OPS->getmem.cmdb = "md %x:%x;b\r";	/* getmem.cmdb (addr, len) */
  OPS->getmem.cmdw = "md %x:%x;b\r";	/* getmem.cmdw (addr, len) */
  OPS->getmem.cmdl = "md %x:%x;b\r";	/* getmem.cmdl (addr, len) */
  OPS->getmem.cmdll = NULL;	/* getmem.cmdll (addr, len) */
  OPS->getmem.resp_delim = " ";	/* getmem.resp_delim */
  OPS->getmem.term = NULL;	/* getmem.term */
  OPS->getmem.term_cmd = NULL;	/* getmem.term_cmd */
  OPS->setreg.cmd = "rs %s %x\r";	/* setreg.cmd (name, value) */
  OPS->setreg.resp_delim = NULL;	/* setreg.resp_delim */
  OPS->setreg.term = NULL;	/* setreg.term */
  OPS->setreg.term_cmd = NULL;	/* setreg.term_cmd */
  OPS->getreg.cmd = "rs %s\r";	/* getreg.cmd (name) */
  OPS->getreg.resp_delim = "=";	/* getreg.resp_delim */
  OPS->getreg.term = NULL;	/* getreg.term */
  OPS->getreg.term_cmd = NULL;	/* getreg.term_cmd */
  OPS->register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)";		/* register_pattern */
  OPS->supply_register = ppcbug_supply_register;	/* supply_register */
  OPS->dump_registers = "rd\r";	/* dump all registers */
  OPS->load_routine = NULL;	/* load_routine (defaults to SRECs) */
  OPS->load = LOAD_CMD;		/* download command */
  OPS->loadresp = NULL;		/* load response */
  OPS->prompt = "PPC1-Bug>";	/* monitor command prompt */
  OPS->line_term = "\r";	/* end-of-line terminator */
  OPS->cmd_end = NULL;		/* optional command terminator */
  OPS->target = targops;	/* target operations */
  OPS->stopbits = SERIAL_1_STOPBITS;	/* number of stop bits */
  OPS->regnames = ppcbug_regnames;	/* registers names */
  OPS->magic = MONITOR_OPS_MAGIC;	/* magic */
}


static struct monitor_ops ppcbug_cmds0;
static struct monitor_ops ppcbug_cmds1;

static void
ppcbug_open0 (args, from_tty)
     char *args;
     int from_tty;
{
  monitor_open (args, &ppcbug_cmds0, from_tty);
}

static void
ppcbug_open1 (args, from_tty)
     char *args;
     int from_tty;
{
  monitor_open (args, &ppcbug_cmds1, from_tty);
}

void
_initialize_ppcbug_rom ()
{
  init_ppc_cmds ("lo 0\r", &ppcbug_cmds0, &ppcbug_ops0);
  init_ppc_cmds ("lo 1\r", &ppcbug_cmds1, &ppcbug_ops1);
  init_monitor_ops (&ppcbug_ops0);

  ppcbug_ops0.to_shortname = "ppcbug";
  ppcbug_ops0.to_longname = "PowerPC PPCBug monitor on port 0";
  ppcbug_ops0.to_doc = "Debug via the PowerPC PPCBug monitor using port 0.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
  ppcbug_ops0.to_open = ppcbug_open0;

  add_target (&ppcbug_ops0);

  init_monitor_ops (&ppcbug_ops1);

  ppcbug_ops1.to_shortname = "ppcbug1";
  ppcbug_ops1.to_longname = "PowerPC PPCBug monitor on port 1";
  ppcbug_ops1.to_doc = "Debug via the PowerPC PPCBug monitor using port 1.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
  ppcbug_ops1.to_open = ppcbug_open1;

  add_target (&ppcbug_ops1);
}
Commit	Line	Data
c906108c SS	1	/* Remote debugging interface for PPCbug (PowerPC) Rom monitor
	2	for GDB, the GNU debugger.
	3	Copyright 1995 Free Software Foundation, Inc.
	4
	5	Written by Stu Grossman of Cygnus Support
	6
c5aa993b	7	This file is part of GDB.
c906108c	8
c5aa993b JM	9	This program is free software; you can redistribute it and/or modify
	10	it under the terms of the GNU General Public License as published by
	11	the Free Software Foundation; either version 2 of the License, or
	12	(at your option) any later version.
c906108c	13
c5aa993b JM	14	This program is distributed in the hope that it will be useful,
	15	but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	GNU General Public License for more details.
c906108c	18
c5aa993b JM	19	You should have received a copy of the GNU General Public License
	20	along with this program; if not, write to the Free Software
	21	Foundation, Inc., 59 Temple Place - Suite 330,
	22	Boston, MA 02111-1307, USA. */
c906108c SS	23
	24	#include "defs.h"
	25	#include "gdbcore.h"
	26	#include "target.h"
	27	#include "monitor.h"
	28	#include "serial.h"
	29
c906108c SS	30	static void
	31	ppcbug_supply_register (regname, regnamelen, val, vallen)
	32	char *regname;
	33	int regnamelen;
	34	char *val;
	35	int vallen;
	36	{
d4f3574e	37	int regno = 0;
c906108c SS	38
	39	if (regnamelen < 2 \|\| regnamelen > 4)
	40	return;
	41
	42	switch (regname[0])
	43	{
	44	case 'R':
	45	if (regname[1] < '0' \|\| regname[1] > '9')
	46	return;
	47	if (regnamelen == 2)
	48	regno = regname[1] - '0';
	49	else if (regnamelen == 3 && regname[2] >= '0' && regname[2] <= '9')
	50	regno = (regname[1] - '0') * 10 + (regname[2] - '0');
	51	else
	52	return;
	53	break;
	54	case 'F':
	55	if (regname[1] != 'R' \|\| regname[2] < '0' \|\| regname[2] > '9')
	56	return;
	57	if (regnamelen == 3)
	58	regno = 32 + regname[2] - '0';
	59	else if (regnamelen == 4 && regname[3] >= '0' && regname[3] <= '9')
	60	regno = 32 + (regname[2] - '0') * 10 + (regname[3] - '0');
	61	else
	62	return;
	63	break;
	64	case 'I':
	65	if (regnamelen != 2 \|\| regname[1] != 'P')
	66	return;
	67	regno = 64;
	68	break;
	69	case 'M':
	70	if (regnamelen != 3 \|\| regname[1] != 'S' \|\| regname[2] != 'R')
	71	return;
	72	regno = 65;
	73	break;
	74	case 'C':
	75	if (regnamelen != 2 \|\| regname[1] != 'R')
	76	return;
	77	regno = 66;
	78	break;
	79	case 'S':
	80	if (regnamelen != 4 \|\| regname[1] != 'P' \|\| regname[2] != 'R')
	81	return;
	82	else if (regname[3] == '8')
	83	regno = 67;
	84	else if (regname[3] == '9')
	85	regno = 68;
	86	else if (regname[3] == '1')
	87	regno = 69;
	88	else if (regname[3] == '0')
	89	regno = 70;
	90	else
	91	return;
	92	break;
	93	default:
	94	return;
	95	}
	96
	97	monitor_supply_register (regno, val);
	98	}
	99
	100	/*
	101	* This array of registers needs to match the indexes used by GDB. The
102	* whole reason this exists is because the various ROM monitors use
103	* different names than GDB does, and don't support all the
104	* registers either. So, typing "info reg sp" becomes an "A7".
105	*/
106
107	static char *ppcbug_regnames[NUM_REGS] =
108	{
c5aa993b JM	109	"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
	110	"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
	111	"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
	112	"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
c906108c	113
c5aa993b JM	114	"fr0", "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7",
c5aa993b JM	115	"fr8", "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
c906108c SS	116	"fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
	117	"fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31",
	118
	119	/* pc ps cnd lr cnt xer mq */
c5aa993b	120	"ip", "msr", "cr", "spr8", "spr9", "spr1", "spr0"
c906108c SS	121	};
	122
	123	/*
	124	* Define the monitor command strings. Since these are passed directly
	125	* through to a printf style function, we need can include formatting
	126	* strings. We also need a CR or LF on the end.
	127	*/
	128
	129	static struct target_ops ppcbug_ops0;
	130	static struct target_ops ppcbug_ops1;
	131
c5aa993b JM	132	static char *ppcbug_inits[] =
c5aa993b JM	133	{"\r", NULL};
c906108c SS	134
c906108c SS	135	static void
c5aa993b JM	136	init_ppc_cmds (char *LOAD_CMD,
	137	struct monitor_ops *OPS,
	138	struct target_ops *targops)
c906108c	139	{
c5aa993b JM	140	OPS->flags = MO_CLR_BREAK_USES_ADDR \| MO_HANDLE_NL;
	141	OPS->init = ppcbug_inits; /* Init strings */
	142	OPS->cont = "g\r"; /* continue command */
	143	OPS->step = "t\r"; /* single step */
	144	OPS->stop = NULL; /* interrupt command */
	145	OPS->set_break = "br %x\r"; /* set a breakpoint */
	146	OPS->clr_break = "nobr %x\r"; /* clear a breakpoint */
c906108c	147	OPS->clr_all_break = "nobr\r"; /* clear all breakpoints */
c5aa993b JM	148	OPS->fill = "bf %x:%x %x;b\r"; /* fill (start count val) */
	149	OPS->setmem.cmdb = "ms %x %02x\r"; /* setmem.cmdb (addr, value) */
	150	OPS->setmem.cmdw = "ms %x %04x\r"; /* setmem.cmdw (addr, value) */
	151	OPS->setmem.cmdl = "ms %x %08x\r"; /* setmem.cmdl (addr, value) */
	152	OPS->setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
	153	OPS->setmem.resp_delim = NULL; /* setreg.resp_delim */
	154	OPS->setmem.term = NULL; /* setreg.term */
	155	OPS->setmem.term_cmd = NULL; /* setreg.term_cmd */
	156	OPS->getmem.cmdb = "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */
	157	OPS->getmem.cmdw = "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */
	158	OPS->getmem.cmdl = "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */
	159	OPS->getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
	160	OPS->getmem.resp_delim = " "; /* getmem.resp_delim */
	161	OPS->getmem.term = NULL; /* getmem.term */
	162	OPS->getmem.term_cmd = NULL; /* getmem.term_cmd */
	163	OPS->setreg.cmd = "rs %s %x\r"; /* setreg.cmd (name, value) */
	164	OPS->setreg.resp_delim = NULL; /* setreg.resp_delim */
	165	OPS->setreg.term = NULL; /* setreg.term */
	166	OPS->setreg.term_cmd = NULL; /* setreg.term_cmd */
	167	OPS->getreg.cmd = "rs %s\r"; /* getreg.cmd (name) */
	168	OPS->getreg.resp_delim = "="; /* getreg.resp_delim */
	169	OPS->getreg.term = NULL; /* getreg.term */
	170	OPS->getreg.term_cmd = NULL; /* getreg.term_cmd */
	171	OPS->register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
	172	OPS->supply_register = ppcbug_supply_register; /* supply_register */
	173	OPS->dump_registers = "rd\r"; /* dump all registers */
	174	OPS->load_routine = NULL; /* load_routine (defaults to SRECs) */
	175	OPS->load = LOAD_CMD; /* download command */
	176	OPS->loadresp = NULL; /* load response */
	177	OPS->prompt = "PPC1-Bug>"; /* monitor command prompt */
	178	OPS->line_term = "\r"; /* end-of-line terminator */
	179	OPS->cmd_end = NULL; /* optional command terminator */
	180	OPS->target = targops; /* target operations */
	181	OPS->stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
	182	OPS->regnames = ppcbug_regnames; /* registers names */
	183	OPS->magic = MONITOR_OPS_MAGIC; /* magic */
c906108c SS	184	}
	185
	186
c5aa993b JM	187	static struct monitor_ops ppcbug_cmds0;
c5aa993b JM	188	static struct monitor_ops ppcbug_cmds1;
c906108c SS	189
c906108c SS	190	static void
c5aa993b	191	ppcbug_open0 (args, from_tty)
c906108c SS	192	char *args;
	193	int from_tty;
	194	{
	195	monitor_open (args, &ppcbug_cmds0, from_tty);
	196	}
	197
	198	static void
c5aa993b	199	ppcbug_open1 (args, from_tty)
c906108c SS	200	char *args;
	201	int from_tty;
	202	{
	203	monitor_open (args, &ppcbug_cmds1, from_tty);
	204	}
	205
	206	void
	207	_initialize_ppcbug_rom ()
	208	{
c5aa993b JM	209	init_ppc_cmds ("lo 0\r", &ppcbug_cmds0, &ppcbug_ops0);
c5aa993b JM	210	init_ppc_cmds ("lo 1\r", &ppcbug_cmds1, &ppcbug_ops1);
c906108c SS	211	init_monitor_ops (&ppcbug_ops0);
	212
	213	ppcbug_ops0.to_shortname = "ppcbug";
	214	ppcbug_ops0.to_longname = "PowerPC PPCBug monitor on port 0";
	215	ppcbug_ops0.to_doc = "Debug via the PowerPC PPCBug monitor using port 0.\n\
	216	Specify the serial device it is connected to (e.g. /dev/ttya).";
	217	ppcbug_ops0.to_open = ppcbug_open0;
	218
	219	add_target (&ppcbug_ops0);
	220
	221	init_monitor_ops (&ppcbug_ops1);
	222
	223	ppcbug_ops1.to_shortname = "ppcbug1";
	224	ppcbug_ops1.to_longname = "PowerPC PPCBug monitor on port 1";
	225	ppcbug_ops1.to_doc = "Debug via the PowerPC PPCBug monitor using port 1.\n\
	226	Specify the serial device it is connected to (e.g. /dev/ttya).";
	227	ppcbug_ops1.to_open = ppcbug_open1;
	228
	229	add_target (&ppcbug_ops1);
	230	}