[binutils.git] / sim / ppc / emul_generic.c

/*  This file is part of the program psim.

    Copyright (C) 1994-1996, Andrew Cagney <[email protected]>

    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.
 
    */


#ifndef _EMUL_GENERIC_C_
#define _EMUL_GENERIC_C_

#include "emul_generic.h"

#ifndef STATIC_INLINE_EMUL_GENERIC
#define STATIC_INLINE_EMUL_GENERIC STATIC_INLINE
#endif


STATIC_INLINE_EMUL_GENERIC void
emul_syscall_enter(emul_syscall *emul,
		   int call,
		   int arg0,
		   cpu *processor,
		   unsigned_word cia)
{
  printf_filtered("%d:0x%lx:%s(",
		  cpu_nr(processor) + 1,
		  (long)cia, 
		  emul->syscall_descriptor[call].name);
}


STATIC_INLINE_EMUL_GENERIC void
emul_syscall_exit(emul_syscall *emul,
		  int call,
		  int arg0,
		  cpu *processor,
		  unsigned_word cia)
{
  int status = cpu_registers(processor)->gpr[3];
  int error = cpu_registers(processor)->gpr[0];
  printf_filtered(")=%d", status);
  if (error > 0 && error < emul->nr_error_names)
    printf_filtered("[%s]", emul->error_names[error]);
  printf_filtered("\n");
}


INLINE_EMUL_GENERIC unsigned64
emul_read_gpr64(cpu *processor,
		int g)
{
  unsigned32 hi;
  unsigned32 lo;
  if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN) {
    hi = cpu_registers(processor)->gpr[g];
    lo = cpu_registers(processor)->gpr[g+1];
  }
  else {
    lo = cpu_registers(processor)->gpr[g];
    hi = cpu_registers(processor)->gpr[g+1];
  }
  return (INSERTED64(hi, 0, 31) | INSERTED64(lo, 32, 63));
}


INLINE_EMUL_GENERIC void
emul_write_gpr64(cpu *processor,
		 int g,
		 unsigned64 val)
{
  unsigned32 hi = EXTRACTED64(val, 0, 31);
  unsigned32 lo = EXTRACTED64(val, 32, 63);
  if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN) {
    cpu_registers(processor)->gpr[g] = hi;
    cpu_registers(processor)->gpr[g+1] = lo;
  }
  else {
    cpu_registers(processor)->gpr[g] = lo;
    cpu_registers(processor)->gpr[g+1] = hi;
  }
}


INLINE_EMUL_GENERIC char *
emul_read_string(char *dest,
		 unsigned_word addr,
		 unsigned nr_bytes,
		 cpu *processor,
		 unsigned_word cia)
{
  unsigned nr_moved = 0;
  if (addr == 0)
    return NULL;
  while (1) {
    dest[nr_moved] = vm_data_map_read_1(cpu_data_map(processor),
					addr + nr_moved,
					processor, cia);
    if (dest[nr_moved] == '\0' || nr_moved >= nr_bytes)
      break;
    nr_moved++;
  }
  dest[nr_moved] = '\0';
  return dest;
}


INLINE_EMUL_GENERIC void
emul_write_status(cpu *processor,
		  int status,
		  int errno)
{
  if (status == -1 && errno != 0) {
    cpu_registers(processor)->gpr[3] = errno;
    CR_SET(0, cr_i_summary_overflow);
  }
  else {
    cpu_registers(processor)->gpr[3] = status;
    CR_SET(0, 0);
  }
}


INLINE_EMUL_GENERIC void
emul_write2_status(cpu *processor,
		   int status1,
		   int status2,
		   int errno)
{
  if (status1 == -1 && errno != 0) {
    cpu_registers(processor)->gpr[3] = errno;
    CR_SET(0, cr_i_summary_overflow);
  }
  else {
    cpu_registers(processor)->gpr[3] = status1;
    cpu_registers(processor)->gpr[4] = status2;
    CR_SET(0, 0);
  }
}


INLINE_EMUL_GENERIC unsigned_word
emul_read_word(unsigned_word addr,
	       cpu *processor,
	       unsigned_word cia)
{
  return vm_data_map_read_word(cpu_data_map(processor),
			       addr,
			       processor, cia);
}


INLINE_EMUL_GENERIC void
emul_write_word(unsigned_word addr,
		unsigned_word buf,
		cpu *processor,
		unsigned_word cia)
{
  vm_data_map_write_word(cpu_data_map(processor),
			 addr,
			 buf,
			 processor, cia);
}


INLINE_EMUL_GENERIC void
emul_write_buffer(const void *source,
		  unsigned_word addr,
		  unsigned nr_bytes,
		  cpu *processor,
		  unsigned_word cia)
{
  int nr_moved;
  for (nr_moved = 0; nr_moved < nr_bytes; nr_moved++) {
    vm_data_map_write_1(cpu_data_map(processor),
			addr + nr_moved,
			((const char*)source)[nr_moved],
			processor, cia);
  }
}


INLINE_EMUL_GENERIC void
emul_read_buffer(void *dest,
		 unsigned_word addr,
		 unsigned nr_bytes,
		 cpu *processor,
		 unsigned_word cia)
{
  int nr_moved;
  for (nr_moved = 0; nr_moved < nr_bytes; nr_moved++) {
    ((char*)dest)[nr_moved] = vm_data_map_read_1(cpu_data_map(processor),
						 addr + nr_moved,
						 processor, cia);
  }
}


INLINE_EMUL_GENERIC void
emul_do_system_call(os_emul_data *emul_data,
		    emul_syscall *emul,
		    unsigned call,
		    const int arg0,
		    cpu *processor,
		    unsigned_word cia)
{
  emul_syscall_handler *handler = NULL;
  if (call >= emul->nr_system_calls)
    error("do_call() os_emul call %d out-of-range\n", call);

  handler = emul->syscall_descriptor[call].handler;
  if (handler == NULL) {
    if (emul->syscall_descriptor[call].name) {
      error("do_call() unimplemented call %s\n", emul->syscall_descriptor[call].name);
    } else {
      error("do_call() unimplemented call %d\n", call);
    }
  }

  if (WITH_TRACE && ppc_trace[trace_os_emul])
    emul_syscall_enter(emul, call, arg0, processor, cia);

  cpu_registers(processor)->gpr[0] = 0; /* default success */
  handler(emul_data, call, arg0, processor, cia);

  if (WITH_TRACE && ppc_trace[trace_os_emul])
    emul_syscall_exit(emul, call, arg0, processor, cia);
}


/* default size for the first bank of memory */

#ifndef OEA_MEMORY_SIZE
#define OEA_MEMORY_SIZE 0x100000
#endif


/* Add options to the device tree */

INLINE_EMUL_GENERIC void
emul_add_tree_options(device *tree,
		      bfd *image,
		      const char *emul,
		      const char *env,
		      int oea_interrupt_prefix)
{
  int little_endian = 0;

  /* sort out little endian */
  if (device_find_property(tree, "/options/little-endian?"))
    little_endian = device_find_boolean_property(tree, "/options/little-endian?");
  else {
#ifdef bfd_little_endian	/* new bfd */
    little_endian = (image != NULL && bfd_little_endian(image));
#else
    little_endian = (image != NULL &&
		     !image->xvec->byteorder_big_p);
#endif
    device_tree_add_parsed(tree, "/options/little-endian? %s",
			   little_endian ? "true" : "false");
  }

  /* misc other stuff */
  device_tree_add_parsed(tree, "/openprom/options/oea-memory-size 0x%x",
			 OEA_MEMORY_SIZE);
  device_tree_add_parsed(tree, "/openprom/options/oea-interrupt-prefix %d",
			 oea_interrupt_prefix);
  device_tree_add_parsed(tree, "/openprom/options/smp 1");
  device_tree_add_parsed(tree, "/openprom/options/env %s", env);
  device_tree_add_parsed(tree, "/openprom/options/os-emul %s", emul);
  device_tree_add_parsed(tree, "/openprom/options/strict-alignment? %s",
			 ((WITH_ALIGNMENT == 0 && little_endian)
			  || (WITH_ALIGNMENT == STRICT_ALIGNMENT))
			 ? "true" : "false");
  device_tree_add_parsed(tree, "/openprom/options/floating-point? %s",
			 WITH_FLOATING_POINT ? "true" : "false");
  device_tree_add_parsed(tree, "/openprom/options/use-stdio? %s",
			 WITH_STDIO == DO_USE_STDIO ? "true" : "false");
  device_tree_add_parsed(tree, "/openprom/options/model \"%s",
			 model_name[WITH_DEFAULT_MODEL]);
  device_tree_add_parsed(tree, "/openprom/options/model-issue %d",
			 MODEL_ISSUE_IGNORE);

  /* useful options */
  /* FIXME - need to check the OpenBoot powerpc bindings to see if
     this is still used and if so what it should be */
  device_tree_add_parsed(tree, "/options/load-base 0x80000");
}

INLINE_EMUL_GENERIC void
emul_add_tree_hardware(device *root)
{
  int i;
  int nr_cpus = device_find_integer_property(root, "/openprom/options/smp");

  /* sanity check the number of processors */
  if (nr_cpus > MAX_NR_PROCESSORS)
    error("Specified number of processors (%d) exceeds the number configured (%d).\n",
	  nr_cpus, MAX_NR_PROCESSORS);

  /* add some memory */
  if (device_tree_find_device(root, "/memory") == NULL) {
    unsigned_word memory_size =
      device_find_integer_property(root, "/openprom/options/oea-memory-size");
    device_tree_add_parsed(root, "/memory@0/reg { 0x0 0x%lx",
			   (unsigned long)memory_size);
    /* what about allocated? */
  }

  /* our processors */
  for (i = 0; i < nr_cpus; i++) {
    device_tree_add_parsed(root, "/cpus/cpu@%d/cpu-nr %d", i, i);
  }

  /* a fake eeprom - need to be able to write to it */
  device_tree_add_parsed(root, "/openprom/memory@0xfff00000/reg { 0xfff00000 0x3000");


  /* A local bus containing basic devices */
  device_tree_add_parsed(root, "/iobus@0xf0000000/reg { 0xf0000000 0x0f000000");

  /* NVRAM with clock */
  device_tree_add_parsed(root, "/iobus/nvram@0x0/reg   { 0 0x1000");
  device_tree_add_parsed(root, "/iobus/nvram/timezone 0");

  /* the debugging pal. Wire interrupts up directly */
  device_tree_add_parsed(root, "/iobus/pal@0x0x1000/reg  { 0x1000 32");
  for (i = 0; i < nr_cpus; i++) {
    device_tree_add_parsed(root, "/iobus/pal > int%d int /cpus/cpu@%d", i, i);
  }

  /* a disk containing zero's */
  device_tree_add_parsed(root, "/iobus/disk@0x2000/reg { 0x2000 0x1000");
  device_tree_add_parsed(root, "/iobus/disk/file \"/dev/zero");

  /* chosen etc */
  device_tree_add_parsed(root, "/chosen/stdin */iobus/pal");
  device_tree_add_parsed(root, "/chosen/stdout !/chosen/stdin");
  device_tree_add_parsed(root, "/chosen/memory */memory");
  device_tree_add_parsed(root, "/chosen/disk */iobus/disk");
}

#endif /* _EMUL_GENERIC_C_ */
Commit	Line	Data
73c4941b MM	1	/* This file is part of the program psim.
73c4941b MM	2
eada1efc	3	Copyright (C) 1994-1996, Andrew Cagney <[email protected]>
73c4941b MM	4
	5	This program is free software; you can redistribute it and/or modify
	6	it under the terms of the GNU General Public License as published by
	7	the Free Software Foundation; either version 2 of the License, or
	8	(at your option) any later version.
	9
	10	This program is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	GNU General Public License for more details.
	14
	15	You should have received a copy of the GNU General Public License
	16	along with this program; if not, write to the Free Software
	17	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	18
73c4941b MM	19	*/
	20
	21
	22	#ifndef _EMUL_GENERIC_C_
	23	#define _EMUL_GENERIC_C_
	24
	25	#include "emul_generic.h"
	26
	27	#ifndef STATIC_INLINE_EMUL_GENERIC
	28	#define STATIC_INLINE_EMUL_GENERIC STATIC_INLINE
	29	#endif
	30
	31
52edddb9 MM	32	STATIC_INLINE_EMUL_GENERIC void
	33	emul_syscall_enter(emul_syscall *emul,
	34	int call,
	35	int arg0,
	36	cpu *processor,
	37	unsigned_word cia)
73c4941b	38	{
52edddb9	39	printf_filtered("%d:0x%lx:%s(",
73c4941b	40	cpu_nr(processor) + 1,
52edddb9 MM	41	(long)cia,
52edddb9 MM	42	emul->syscall_descriptor[call].name);
73c4941b MM	43	}
	44
	45
52edddb9 MM	46	STATIC_INLINE_EMUL_GENERIC void
	47	emul_syscall_exit(emul_syscall *emul,
	48	int call,
	49	int arg0,
	50	cpu *processor,
	51	unsigned_word cia)
73c4941b MM	52	{
	53	int status = cpu_registers(processor)->gpr[3];
	54	int error = cpu_registers(processor)->gpr[0];
	55	printf_filtered(")=%d", status);
	56	if (error > 0 && error < emul->nr_error_names)
52edddb9	57	printf_filtered("[%s]", emul->error_names[error]);
73c4941b MM	58	printf_filtered("\n");
	59	}
	60
	61
	62	INLINE_EMUL_GENERIC unsigned64
	63	emul_read_gpr64(cpu *processor,
	64	int g)
	65	{
	66	unsigned32 hi;
	67	unsigned32 lo;
	68	if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN) {
	69	hi = cpu_registers(processor)->gpr[g];
	70	lo = cpu_registers(processor)->gpr[g+1];
	71	}
	72	else {
	73	lo = cpu_registers(processor)->gpr[g];
	74	hi = cpu_registers(processor)->gpr[g+1];
	75	}
	76	return (INSERTED64(hi, 0, 31) \| INSERTED64(lo, 32, 63));
	77	}
	78
	79
	80	INLINE_EMUL_GENERIC void
	81	emul_write_gpr64(cpu *processor,
	82	int g,
	83	unsigned64 val)
	84	{
	85	unsigned32 hi = EXTRACTED64(val, 0, 31);
	86	unsigned32 lo = EXTRACTED64(val, 32, 63);
	87	if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN) {
	88	cpu_registers(processor)->gpr[g] = hi;
	89	cpu_registers(processor)->gpr[g+1] = lo;
	90	}
	91	else {
	92	cpu_registers(processor)->gpr[g] = lo;
	93	cpu_registers(processor)->gpr[g+1] = hi;
	94	}
	95	}
	96
	97
	98	INLINE_EMUL_GENERIC char *
	99	emul_read_string(char *dest,
	100	unsigned_word addr,
	101	unsigned nr_bytes,
	102	cpu *processor,
	103	unsigned_word cia)
	104	{
	105	unsigned nr_moved = 0;
	106	if (addr == 0)
	107	return NULL;
	108	while (1) {
52edddb9 MM	109	dest[nr_moved] = vm_data_map_read_1(cpu_data_map(processor),
	110	addr + nr_moved,
	111	processor, cia);
73c4941b MM	112	if (dest[nr_moved] == '\0' \|\| nr_moved >= nr_bytes)
	113	break;
	114	nr_moved++;
	115	}
	116	dest[nr_moved] = '\0';
	117	return dest;
	118	}
	119
	120
	121	INLINE_EMUL_GENERIC void
	122	emul_write_status(cpu *processor,
	123	int status,
	124	int errno)
	125	{
88f1eac4 MM	126	if (status == -1 && errno != 0) {
	127	cpu_registers(processor)->gpr[3] = errno;
	128	CR_SET(0, cr_i_summary_overflow);
	129	}
	130	else {
	131	cpu_registers(processor)->gpr[3] = status;
	132	CR_SET(0, 0);
	133	}
	134	}
	135
	136
	137	INLINE_EMUL_GENERIC void
	138	emul_write2_status(cpu *processor,
	139	int status1,
	140	int status2,
	141	int errno)
	142	{
	143	if (status1 == -1 && errno != 0) {
	144	cpu_registers(processor)->gpr[3] = errno;
	145	CR_SET(0, cr_i_summary_overflow);
	146	}
	147	else {
	148	cpu_registers(processor)->gpr[3] = status1;
	149	cpu_registers(processor)->gpr[4] = status2;
	150	CR_SET(0, 0);
	151	}
73c4941b MM	152	}
	153
	154
52edddb9 MM	155	INLINE_EMUL_GENERIC unsigned_word
	156	emul_read_word(unsigned_word addr,
	157	cpu *processor,
	158	unsigned_word cia)
	159	{
	160	return vm_data_map_read_word(cpu_data_map(processor),
	161	addr,
	162	processor, cia);
	163	}
	164
	165
73c4941b MM	166	INLINE_EMUL_GENERIC void
	167	emul_write_word(unsigned_word addr,
	168	unsigned_word buf,
	169	cpu *processor,
	170	unsigned_word cia)
	171	{
52edddb9 MM	172	vm_data_map_write_word(cpu_data_map(processor),
	173	addr,
	174	buf,
	175	processor, cia);
73c4941b MM	176	}
	177
	178
	179	INLINE_EMUL_GENERIC void
	180	emul_write_buffer(const void *source,
	181	unsigned_word addr,
	182	unsigned nr_bytes,
	183	cpu *processor,
	184	unsigned_word cia)
	185	{
52edddb9 MM	186	int nr_moved;
	187	for (nr_moved = 0; nr_moved < nr_bytes; nr_moved++) {
	188	vm_data_map_write_1(cpu_data_map(processor),
	189	addr + nr_moved,
	190	((const char*)source)[nr_moved],
	191	processor, cia);
73c4941b MM	192	}
	193	}
	194
	195
	196	INLINE_EMUL_GENERIC void
	197	emul_read_buffer(void *dest,
	198	unsigned_word addr,
	199	unsigned nr_bytes,
	200	cpu *processor,
	201	unsigned_word cia)
	202	{
52edddb9 MM	203	int nr_moved;
	204	for (nr_moved = 0; nr_moved < nr_bytes; nr_moved++) {
	205	((char*)dest)[nr_moved] = vm_data_map_read_1(cpu_data_map(processor),
	206	addr + nr_moved,
	207	processor, cia);
73c4941b MM	208	}
	209	}
	210
	211
	212	INLINE_EMUL_GENERIC void
52edddb9 MM	213	emul_do_system_call(os_emul_data *emul_data,
	214	emul_syscall *emul,
	215	unsigned call,
	216	const int arg0,
	217	cpu *processor,
	218	unsigned_word cia)
73c4941b	219	{
52edddb9	220	emul_syscall_handler *handler = NULL;
73c4941b MM	221	if (call >= emul->nr_system_calls)
	222	error("do_call() os_emul call %d out-of-range\n", call);
	223
52edddb9	224	handler = emul->syscall_descriptor[call].handler;
88f1eac4 MM	225	if (handler == NULL) {
	226	if (emul->syscall_descriptor[call].name) {
	227	error("do_call() unimplemented call %s\n", emul->syscall_descriptor[call].name);
	228	} else {
	229	error("do_call() unimplemented call %d\n", call);
	230	}
	231	}
73c4941b	232
52edddb9 MM	233	if (WITH_TRACE && ppc_trace[trace_os_emul])
	234	emul_syscall_enter(emul, call, arg0, processor, cia);
	235
73c4941b	236	cpu_registers(processor)->gpr[0] = 0; /* default success */
52edddb9	237	handler(emul_data, call, arg0, processor, cia);
73c4941b	238
52edddb9 MM	239	if (WITH_TRACE && ppc_trace[trace_os_emul])
	240	emul_syscall_exit(emul, call, arg0, processor, cia);
	241	}
73c4941b	242
eada1efc MM	243
	244	/* default size for the first bank of memory */
	245
	246	#ifndef OEA_MEMORY_SIZE
	247	#define OEA_MEMORY_SIZE 0x100000
	248	#endif
	249
	250
	251	/* Add options to the device tree */
	252
	253	INLINE_EMUL_GENERIC void
	254	emul_add_tree_options(device *tree,
	255	bfd *image,
	256	const char *emul,
	257	const char *env,
	258	int oea_interrupt_prefix)
	259	{
	260	int little_endian = 0;
	261
	262	/* sort out little endian */
	263	if (device_find_property(tree, "/options/little-endian?"))
	264	little_endian = device_find_boolean_property(tree, "/options/little-endian?");
	265	else {
	266	#ifdef bfd_little_endian /* new bfd */
	267	little_endian = (image != NULL && bfd_little_endian(image));
	268	#else
	269	little_endian = (image != NULL &&
	270	!image->xvec->byteorder_big_p);
	271	#endif
	272	device_tree_add_parsed(tree, "/options/little-endian? %s",
	273	little_endian ? "true" : "false");
	274	}
	275
	276	/* misc other stuff */
	277	device_tree_add_parsed(tree, "/openprom/options/oea-memory-size 0x%x",
	278	OEA_MEMORY_SIZE);
	279	device_tree_add_parsed(tree, "/openprom/options/oea-interrupt-prefix %d",
	280	oea_interrupt_prefix);
	281	device_tree_add_parsed(tree, "/openprom/options/smp 1");
	282	device_tree_add_parsed(tree, "/openprom/options/env %s", env);
	283	device_tree_add_parsed(tree, "/openprom/options/os-emul %s", emul);
	284	device_tree_add_parsed(tree, "/openprom/options/strict-alignment? %s",
2e913166 MM	285	((WITH_ALIGNMENT == 0 && little_endian)
2e913166 MM	286	\|\| (WITH_ALIGNMENT == STRICT_ALIGNMENT))
eada1efc MM	287	? "true" : "false");
	288	device_tree_add_parsed(tree, "/openprom/options/floating-point? %s",
	289	WITH_FLOATING_POINT ? "true" : "false");
2e913166 MM	290	device_tree_add_parsed(tree, "/openprom/options/use-stdio? %s",
2e913166 MM	291	WITH_STDIO == DO_USE_STDIO ? "true" : "false");
eada1efc MM	292	device_tree_add_parsed(tree, "/openprom/options/model \"%s",
	293	model_name[WITH_DEFAULT_MODEL]);
	294	device_tree_add_parsed(tree, "/openprom/options/model-issue %d",
	295	MODEL_ISSUE_IGNORE);
30c87b55 MM	296
	297	/* useful options */
	298	/* FIXME - need to check the OpenBoot powerpc bindings to see if
	299	this is still used and if so what it should be */
	300	device_tree_add_parsed(tree, "/options/load-base 0x80000");
eada1efc MM	301	}
	302
	303	INLINE_EMUL_GENERIC void
	304	emul_add_tree_hardware(device *root)
	305	{
88f1eac4 MM	306	int i;
	307	int nr_cpus = device_find_integer_property(root, "/openprom/options/smp");
	308
30c87b55 MM	309	/* sanity check the number of processors */
	310	if (nr_cpus > MAX_NR_PROCESSORS)
	311	error("Specified number of processors (%d) exceeds the number configured (%d).\n",
	312	nr_cpus, MAX_NR_PROCESSORS);
	313
eada1efc MM	314	/* add some memory */
	315	if (device_tree_find_device(root, "/memory") == NULL) {
	316	unsigned_word memory_size =
	317	device_find_integer_property(root, "/openprom/options/oea-memory-size");
	318	device_tree_add_parsed(root, "/memory@0/reg { 0x0 0x%lx",
	319	(unsigned long)memory_size);
	320	/* what about allocated? */
	321	}
88f1eac4 MM	322
	323	/* our processors */
	324	for (i = 0; i < nr_cpus; i++) {
	325	device_tree_add_parsed(root, "/cpus/cpu@%d/cpu-nr %d", i, i);
	326	}
	327
	328	/* a fake eeprom - need to be able to write to it */
	329	device_tree_add_parsed(root, "/openprom/memory@0xfff00000/reg { 0xfff00000 0x3000");
	330
30c87b55	331
88f1eac4 MM	332	/* A local bus containing basic devices */
88f1eac4 MM	333	device_tree_add_parsed(root, "/iobus@0xf0000000/reg { 0xf0000000 0x0f000000");
30c87b55 MM	334
30c87b55 MM	335	/* NVRAM with clock */
88f1eac4	336	device_tree_add_parsed(root, "/iobus/nvram@0x0/reg { 0 0x1000");
30c87b55	337	device_tree_add_parsed(root, "/iobus/nvram/timezone 0");
88f1eac4 MM	338
	339	/* the debugging pal. Wire interrupts up directly */
	340	device_tree_add_parsed(root, "/iobus/pal@0x0x1000/reg { 0x1000 32");
	341	for (i = 0; i < nr_cpus; i++) {
30c87b55	342	device_tree_add_parsed(root, "/iobus/pal > int%d int /cpus/cpu@%d", i, i);
88f1eac4 MM	343	}
88f1eac4 MM	344
30c87b55 MM	345	/* a disk containing zero's */
	346	device_tree_add_parsed(root, "/iobus/disk@0x2000/reg { 0x2000 0x1000");
	347	device_tree_add_parsed(root, "/iobus/disk/file \"/dev/zero");
	348
eada1efc	349	/* chosen etc */
88f1eac4	350	device_tree_add_parsed(root, "/chosen/stdin */iobus/pal");
eada1efc MM	351	device_tree_add_parsed(root, "/chosen/stdout !/chosen/stdin");
eada1efc MM	352	device_tree_add_parsed(root, "/chosen/memory */memory");
30c87b55	353	device_tree_add_parsed(root, "/chosen/disk */iobus/disk");
eada1efc MM	354	}
eada1efc MM	355
88f1eac4	356	#endif /* _EMUL_GENERIC_C_ */