[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 (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[] =
{
  "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 (char *args, int from_tty)
{
  monitor_open (args, &ppcbug_cmds0, from_tty);
}

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

void
_initialize_ppcbug_rom (void)
{
  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	30	static void
fba45db2	31	ppcbug_supply_register (char regname, int regnamelen, char val, int vallen)
c906108c	32	{
d4f3574e	33	int regno = 0;
c906108c SS	34
	35	if (regnamelen < 2 \|\| regnamelen > 4)
	36	return;
	37
	38	switch (regname[0])
	39	{
	40	case 'R':
	41	if (regname[1] < '0' \|\| regname[1] > '9')
	42	return;
	43	if (regnamelen == 2)
	44	regno = regname[1] - '0';
	45	else if (regnamelen == 3 && regname[2] >= '0' && regname[2] <= '9')
	46	regno = (regname[1] - '0') * 10 + (regname[2] - '0');
	47	else
	48	return;
	49	break;
	50	case 'F':
	51	if (regname[1] != 'R' \|\| regname[2] < '0' \|\| regname[2] > '9')
	52	return;
	53	if (regnamelen == 3)
	54	regno = 32 + regname[2] - '0';
	55	else if (regnamelen == 4 && regname[3] >= '0' && regname[3] <= '9')
	56	regno = 32 + (regname[2] - '0') * 10 + (regname[3] - '0');
	57	else
	58	return;
	59	break;
	60	case 'I':
	61	if (regnamelen != 2 \|\| regname[1] != 'P')
	62	return;
	63	regno = 64;
	64	break;
	65	case 'M':
	66	if (regnamelen != 3 \|\| regname[1] != 'S' \|\| regname[2] != 'R')
	67	return;
	68	regno = 65;
	69	break;
	70	case 'C':
	71	if (regnamelen != 2 \|\| regname[1] != 'R')
	72	return;
	73	regno = 66;
	74	break;
	75	case 'S':
	76	if (regnamelen != 4 \|\| regname[1] != 'P' \|\| regname[2] != 'R')
	77	return;
	78	else if (regname[3] == '8')
	79	regno = 67;
	80	else if (regname[3] == '9')
	81	regno = 68;
	82	else if (regname[3] == '1')
	83	regno = 69;
	84	else if (regname[3] == '0')
	85	regno = 70;
	86	else
	87	return;
	88	break;
	89	default:
	90	return;
	91	}
	92
	93	monitor_supply_register (regno, val);
	94	}
	95
	96	/*
	97	* This array of registers needs to match the indexes used by GDB. The
98	* whole reason this exists is because the various ROM monitors use
99	* different names than GDB does, and don't support all the
100	* registers either. So, typing "info reg sp" becomes an "A7".
101	*/
102
fe794dc6	103	static char *ppcbug_regnames[] =
c906108c	104	{
c5aa993b JM	105	"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
	106	"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
	107	"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
	108	"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
c906108c	109
c5aa993b JM	110	"fr0", "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7",
c5aa993b JM	111	"fr8", "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
c906108c SS	112	"fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
	113	"fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31",
	114
	115	/* pc ps cnd lr cnt xer mq */
c5aa993b	116	"ip", "msr", "cr", "spr8", "spr9", "spr1", "spr0"
c906108c SS	117	};
	118
	119	/*
	120	* Define the monitor command strings. Since these are passed directly
	121	* through to a printf style function, we need can include formatting
	122	* strings. We also need a CR or LF on the end.
	123	*/
	124
	125	static struct target_ops ppcbug_ops0;
	126	static struct target_ops ppcbug_ops1;
	127
c5aa993b JM	128	static char *ppcbug_inits[] =
c5aa993b JM	129	{"\r", NULL};
c906108c SS	130
c906108c SS	131	static void
c5aa993b JM	132	init_ppc_cmds (char *LOAD_CMD,
	133	struct monitor_ops *OPS,
	134	struct target_ops *targops)
c906108c	135	{
c5aa993b JM	136	OPS->flags = MO_CLR_BREAK_USES_ADDR \| MO_HANDLE_NL;
	137	OPS->init = ppcbug_inits; /* Init strings */
	138	OPS->cont = "g\r"; /* continue command */
	139	OPS->step = "t\r"; /* single step */
	140	OPS->stop = NULL; /* interrupt command */
	141	OPS->set_break = "br %x\r"; /* set a breakpoint */
	142	OPS->clr_break = "nobr %x\r"; /* clear a breakpoint */
c906108c	143	OPS->clr_all_break = "nobr\r"; /* clear all breakpoints */
c5aa993b JM	144	OPS->fill = "bf %x:%x %x;b\r"; /* fill (start count val) */
	145	OPS->setmem.cmdb = "ms %x %02x\r"; /* setmem.cmdb (addr, value) */
	146	OPS->setmem.cmdw = "ms %x %04x\r"; /* setmem.cmdw (addr, value) */
	147	OPS->setmem.cmdl = "ms %x %08x\r"; /* setmem.cmdl (addr, value) */
	148	OPS->setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
	149	OPS->setmem.resp_delim = NULL; /* setreg.resp_delim */
	150	OPS->setmem.term = NULL; /* setreg.term */
	151	OPS->setmem.term_cmd = NULL; /* setreg.term_cmd */
	152	OPS->getmem.cmdb = "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */
	153	OPS->getmem.cmdw = "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */
	154	OPS->getmem.cmdl = "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */
	155	OPS->getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
	156	OPS->getmem.resp_delim = " "; /* getmem.resp_delim */
	157	OPS->getmem.term = NULL; /* getmem.term */
	158	OPS->getmem.term_cmd = NULL; /* getmem.term_cmd */
	159	OPS->setreg.cmd = "rs %s %x\r"; /* setreg.cmd (name, value) */
	160	OPS->setreg.resp_delim = NULL; /* setreg.resp_delim */
	161	OPS->setreg.term = NULL; /* setreg.term */
	162	OPS->setreg.term_cmd = NULL; /* setreg.term_cmd */
	163	OPS->getreg.cmd = "rs %s\r"; /* getreg.cmd (name) */
	164	OPS->getreg.resp_delim = "="; /* getreg.resp_delim */
	165	OPS->getreg.term = NULL; /* getreg.term */
	166	OPS->getreg.term_cmd = NULL; /* getreg.term_cmd */
	167	OPS->register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
	168	OPS->supply_register = ppcbug_supply_register; /* supply_register */
	169	OPS->dump_registers = "rd\r"; /* dump all registers */
	170	OPS->load_routine = NULL; /* load_routine (defaults to SRECs) */
	171	OPS->load = LOAD_CMD; /* download command */
	172	OPS->loadresp = NULL; /* load response */
	173	OPS->prompt = "PPC1-Bug>"; /* monitor command prompt */
	174	OPS->line_term = "\r"; /* end-of-line terminator */
	175	OPS->cmd_end = NULL; /* optional command terminator */
	176	OPS->target = targops; /* target operations */
	177	OPS->stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
	178	OPS->regnames = ppcbug_regnames; /* registers names */
	179	OPS->magic = MONITOR_OPS_MAGIC; /* magic */
c906108c SS	180	}
	181
	182
c5aa993b JM	183	static struct monitor_ops ppcbug_cmds0;
c5aa993b JM	184	static struct monitor_ops ppcbug_cmds1;
c906108c SS	185
c906108c SS	186	static void
fba45db2	187	ppcbug_open0 (char *args, int from_tty)
c906108c SS	188	{
	189	monitor_open (args, &ppcbug_cmds0, from_tty);
	190	}
	191
	192	static void
fba45db2	193	ppcbug_open1 (char *args, int from_tty)
c906108c SS	194	{
	195	monitor_open (args, &ppcbug_cmds1, from_tty);
	196	}
	197
	198	void
fba45db2	199	_initialize_ppcbug_rom (void)
c906108c	200	{
c5aa993b JM	201	init_ppc_cmds ("lo 0\r", &ppcbug_cmds0, &ppcbug_ops0);
c5aa993b JM	202	init_ppc_cmds ("lo 1\r", &ppcbug_cmds1, &ppcbug_ops1);
c906108c SS	203	init_monitor_ops (&ppcbug_ops0);
	204
	205	ppcbug_ops0.to_shortname = "ppcbug";
	206	ppcbug_ops0.to_longname = "PowerPC PPCBug monitor on port 0";
	207	ppcbug_ops0.to_doc = "Debug via the PowerPC PPCBug monitor using port 0.\n\
	208	Specify the serial device it is connected to (e.g. /dev/ttya).";
	209	ppcbug_ops0.to_open = ppcbug_open0;
	210
	211	add_target (&ppcbug_ops0);
	212
	213	init_monitor_ops (&ppcbug_ops1);
	214
	215	ppcbug_ops1.to_shortname = "ppcbug1";
	216	ppcbug_ops1.to_longname = "PowerPC PPCBug monitor on port 1";
	217	ppcbug_ops1.to_doc = "Debug via the PowerPC PPCBug monitor using port 1.\n\
	218	Specify the serial device it is connected to (e.g. /dev/ttya).";
	219	ppcbug_ops1.to_open = ppcbug_open1;
	220
	221	add_target (&ppcbug_ops1);
	222	}