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/* This file is part of the program psim.
Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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_BUGAPI_C_
#define _EMUL_BUGAPI_C_
/* Note: this module is called via a table. There is no benefit in
making it inline */
#include "emul_generic.h"
#include "emul_bugapi.h"
/* Any starting address less than this is assumed to be an OEA program
rather than VEA. */
#ifndef OEA_START_ADDRESS
#define OEA_START_ADDRESS 4096
#endif
#ifndef OEA_MEMORY_SIZE
#define OEA_MEMORY_SIZE 0x100000
#endif
static os_emul_data *
emul_bugapi_create(device *root,
bfd *image,
const char *name)
{
/* check it really is for us */
if (name != NULL
&& strcmp(name, "bugapi") != 0)
return NULL;
if (image != NULL
&& bfd_get_start_address(image) > OEA_START_ADDRESS)
return NULL;
{
const memory_size = OEA_MEMORY_SIZE;
const elf_binary = (image != NULL
&& image->xvec->flavour == bfd_target_elf_flavour);
const little_endian = (image != NULL
&& !image->xvec->byteorder_big_p);
{ /* options */
device *options = device_tree_add_found(root, "/", "options");
device_add_integer_property(options,
"smp",
MAX_NR_PROCESSORS);
device_add_boolean_property(options,
"little-endian?",
little_endian);
device_add_string_property(options,
"env",
"operating");
device_add_boolean_property(options,
"strict-alignment?",
(WITH_ALIGNMENT == STRICT_ALIGNMENT
|| !image->xvec->byteorder_big_p));
device_add_boolean_property(options,
"floating-point?",
WITH_FLOATING_POINT);
device_add_string_property(options,
"os-emul",
"bugapi");
}
/* hardware */
device_tree_add_found_uw_u_u(root, "/", "memory",
0, memory_size, access_read_write_exec);
device_tree_add_found(root, "/", "iobus@0x400000");
device_tree_add_found(root, "/iobus", "console@0x000000,16");
device_tree_add_found(root, "/iobus", "halt@0x100000,4");
device_tree_add_found(root, "/iobus", "icu@0x200000,4");
{ /* initialization */
device *init = device_tree_add_found(root, "/", "init");
{
device *init_register = device_tree_add_found(init, "", "register");
device_add_integer_property(init_register,
"pc",
0);
device_add_integer_property(init_register,
"sp",
memory_size-16);
device_add_integer_property(init_register,
"msr",
(little_endian
? msr_little_endian_mode
: 0));
}
{
device *init_stack = device_tree_add_found(init, "", "stack");
device_add_null_property(init_stack,
(elf_binary
? "elf"
: "aix"));
}
{
device *init_load_binary = device_tree_add_found(init, "",
"load-binary");
device_add_null_property(init_load_binary,
bfd_get_filename(image));
}
}
}
return (os_emul_data*)-1;
}
static void
emul_bugapi_init(os_emul_data *emul_data,
int nr_cpus)
{
/* nothing happens here */
}
static int
emul_bugapi_instruction_call(cpu *processor,
unsigned_word cia,
unsigned_word ra,
os_emul_data *emul_data)
{
error("emul_bugapi_instruction_call() not implemented\n");
return 1;
}
const os_emul emul_bugapi = {
"bugapi",
emul_bugapi_create,
emul_bugapi_init,
0, /*system_call*/
emul_bugapi_instruction_call,
0 /*data*/
};
#endif
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