[binutils.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_open PARAMS ((char *args, int from_tty));

static void
ppcbug_supply_register (regname, regnamelen, val, vallen)
     char *regname;
     int regnamelen;
     char *val;
     int vallen;
{
  int regno = 0, base = 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
cc7ef3c3 MM	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
	7	This file is part of GDB.
	8
	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.
	13
	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.
	18
	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, Boston, MA 02111-1307, USA. */
	22
	23	#include "defs.h"
	24	#include "gdbcore.h"
	25	#include "target.h"
	26	#include "monitor.h"
	27	#include "serial.h"
	28
	29	static void ppcbug_open PARAMS ((char *args, int from_tty));
	30
	31	static void
	32	ppcbug_supply_register (regname, regnamelen, val, vallen)
	33	char *regname;
	34	int regnamelen;
	35	char *val;
	36	int vallen;
	37	{
	38	int regno = 0, base = 0;
	39
	40	if (regnamelen < 2 \|\| regnamelen > 4)
	41	return;
	42
cc7ef3c3 MM	43	switch (regname[0])
	44	{
	45	case 'R':
	46	if (regname[1] < '0' \|\| regname[1] > '9')
	47	return;
	48	if (regnamelen == 2)
	49	regno = regname[1] - '0';
	50	else if (regnamelen == 3 && regname[2] >= '0' && regname[2] <= '9')
	51	regno = (regname[1] - '0') * 10 + (regname[2] - '0');
	52	else
	53	return;
	54	break;
	55	case 'F':
	56	if (regname[1] != 'R' \|\| regname[2] < '0' \|\| regname[2] > '9')
	57	return;
	58	if (regnamelen == 3)
	59	regno = 32 + regname[2] - '0';
	60	else if (regnamelen == 4 && regname[3] >= '0' && regname[3] <= '9')
	61	regno = 32 + (regname[2] - '0') * 10 + (regname[3] - '0');
	62	else
	63	return;
	64	break;
	65	case 'I':
	66	if (regnamelen != 2 \|\| regname[1] != 'P')
	67	return;
	68	regno = 64;
	69	break;
	70	case 'M':
	71	if (regnamelen != 3 \|\| regname[1] != 'S' \|\| regname[2] != 'R')
	72	return;
	73	regno = 65;
	74	break;
	75	case 'C':
	76	if (regnamelen != 2 \|\| regname[1] != 'R')
	77	return;
	78	regno = 66;
	79	break;
	80	case 'S':
	81	if (regnamelen != 4 \|\| regname[1] != 'P' \|\| regname[2] != 'R')
	82	return;
	83	else if (regname[3] == '8')
	84	regno = 67;
	85	else if (regname[3] == '9')
	86	regno = 68;
	87	else if (regname[3] == '1')
	88	regno = 69;
	89	else if (regname[3] == '0')
	90	regno = 70;
	91	else
	92	return;
	93	break;
	94	default:
	95	return;
	96	}
	97
	98	monitor_supply_register (regno, val);
	99	}
	100
	101	/*
	102	* This array of registers needs to match the indexes used by GDB. The
	103	* whole reason this exists is because the various ROM monitors use
	104	* different names than GDB does, and don't support all the
	105	* registers either. So, typing "info reg sp" becomes an "A7".
	106	*/
107
108	static char *ppcbug_regnames[NUM_REGS] =
109	{
110	"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
111	"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
112	"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
113	"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
114
115	"fr0", "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7",
116	"fr8", "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
117	"fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
118	"fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31",
119
120	/* pc ps cnd lr cnt xer mq */
121	"ip", "msr", "cr", "spr8", "spr9", "spr1", "spr0"
122	};
123
124	/*
125	* Define the monitor command strings. Since these are passed directly
126	* through to a printf style function, we need can include formatting
127	* strings. We also need a CR or LF on the end.
128	*/
129
721ccd80 MM	130	static struct target_ops ppcbug_ops0;
721ccd80 MM	131	static struct target_ops ppcbug_ops1;
cc7ef3c3 MM	132
	133	static char *ppcbug_inits[] = {"\r", NULL};
	134
14a15da3 AC	135	static void
	136	init_ppc_cmds (char * LOAD_CMD,
	137	struct monitor_ops * OPS,
	138	struct target_ops * targops)
adc176bb	139	{
14a15da3 AC	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 */
	147	OPS->clr_all_break = "nobr\r"; /* clear all breakpoints */
	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 */
721ccd80 MM	184	}
	185
	186
adc176bb JM	187	static struct monitor_ops ppcbug_cmds0 ;
adc176bb JM	188	static struct monitor_ops ppcbug_cmds1 ;
721ccd80 MM	189
	190	static void
	191	ppcbug_open0(args, from_tty)
	192	char *args;
	193	int from_tty;
cc7ef3c3	194	{
721ccd80 MM	195	monitor_open (args, &ppcbug_cmds0, from_tty);
721ccd80 MM	196	}
cc7ef3c3 MM	197
cc7ef3c3 MM	198	static void
721ccd80	199	ppcbug_open1(args, from_tty)
cc7ef3c3 MM	200	char *args;
	201	int from_tty;
	202	{
721ccd80	203	monitor_open (args, &ppcbug_cmds1, from_tty);
cc7ef3c3 MM	204	}
	205
	206	void
	207	_initialize_ppcbug_rom ()
	208	{
adc176bb JM	209	init_ppc_cmds("lo 0\r", &ppcbug_cmds0, &ppcbug_ops0) ;
adc176bb JM	210	init_ppc_cmds("lo 1\r", &ppcbug_cmds1, &ppcbug_ops1);
721ccd80 MM	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);
cc7ef3c3	222
721ccd80 MM	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\
cc7ef3c3	226	Specify the serial device it is connected to (e.g. /dev/ttya).";
721ccd80	227	ppcbug_ops1.to_open = ppcbug_open1;
cc7ef3c3	228
721ccd80	229	add_target (&ppcbug_ops1);
cc7ef3c3	230	}