mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
134 lines
4.2 KiB
C
134 lines
4.2 KiB
C
/* This file is part of the program psim.
|
|
|
|
Copyright (C) 1994-1997, 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
|
|
#ifndef N
|
|
#error "N must be #defined"
|
|
#endif
|
|
|
|
/* NOTE: See end of file for #undef */
|
|
#define unsigned_N XCONCAT2(unsigned_,N)
|
|
#define T2H_N XCONCAT2(T2H_,N)
|
|
#define H2T_N XCONCAT2(H2T_,N)
|
|
#define vm_data_map_read_N XCONCAT2(vm_data_map_read_,N)
|
|
#define vm_data_map_write_N XCONCAT2(vm_data_map_write_,N)
|
|
|
|
|
|
INLINE_VM\
|
|
(unsigned_N)
|
|
vm_data_map_read_N(vm_data_map *map,
|
|
unsigned_word ea,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
if ((ea & (sizeof(unsigned_N)-1)) == 0) {
|
|
unsigned ra = vm_real_data_addr(map, ea, 1/*is-read*/, processor, cia);
|
|
unsigned_N val;
|
|
if (WITH_XOR_ENDIAN)
|
|
ra ^= map->translation.xor[sizeof(unsigned_N) - 1];
|
|
val = XCONCAT2(core_map_read_,N)(map->read, ra, processor, cia);
|
|
if (WITH_MON & MONITOR_LOAD_STORE_UNIT)
|
|
mon_read(ea, ra, sizeof(unsigned_N), processor, cia);
|
|
TRACE(trace_load_store, ("load cia=0x%lx ea=0x%lx N=%ld val=0x%lx\n",
|
|
(long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val));
|
|
return val;
|
|
}
|
|
else {
|
|
switch (CURRENT_ALIGNMENT) {
|
|
case STRICT_ALIGNMENT:
|
|
alignment_interrupt(processor, cia, ea);
|
|
return 0;
|
|
case NONSTRICT_ALIGNMENT:
|
|
{
|
|
unsigned_N val;
|
|
if (vm_data_map_read_buffer(map, &val, ea, sizeof(unsigned_N), processor, cia)
|
|
!= sizeof(unsigned_N)) {
|
|
cpu_error(processor, cia, "misaligned %d byte read to 0x%lx failed",
|
|
sizeof(unsigned_N), (unsigned long)ea);
|
|
}
|
|
val = T2H_N(val);
|
|
if (WITH_MON & MONITOR_LOAD_STORE_UNIT) {
|
|
/* YUCK */
|
|
unsigned ra = vm_real_data_addr(map, ea, 1, processor, cia);
|
|
mon_read(ea, ra, sizeof(unsigned_N), processor, cia);
|
|
}
|
|
TRACE(trace_load_store, ("load cia=0x%lx ea=0x%lx N=%ld data=0x%lx\n",
|
|
(long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val));
|
|
return val;
|
|
}
|
|
default:
|
|
error("internal error - vm_data_map_read_N - bad switch");
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
INLINE_VM\
|
|
(void)
|
|
vm_data_map_write_N(vm_data_map *map,
|
|
unsigned_word ea,
|
|
unsigned_N val,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
if ((ea & (sizeof(unsigned_N)-1)) == 0) {
|
|
unsigned ra = vm_real_data_addr(map, ea, 0/*is-read?*/, processor, cia);
|
|
if (WITH_XOR_ENDIAN)
|
|
ra ^= map->translation.xor[sizeof(unsigned_N) - 1];
|
|
XCONCAT2(core_map_write_,N)(map->write, ra, val, processor, cia);
|
|
if (WITH_MON & MONITOR_LOAD_STORE_UNIT)
|
|
mon_write(ea, ra, sizeof(unsigned_N), processor, cia);
|
|
TRACE(trace_load_store, ("store cia=0x%lx ea=0x%lx N=%ld val=0x%lx\n",
|
|
(long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val));
|
|
}
|
|
else {
|
|
switch (CURRENT_ALIGNMENT) {
|
|
case STRICT_ALIGNMENT:
|
|
alignment_interrupt(processor, cia, ea);
|
|
break;
|
|
case NONSTRICT_ALIGNMENT:
|
|
{
|
|
unsigned_N data = H2T_N(val);
|
|
if (vm_data_map_write_buffer(map, &data, ea, sizeof(unsigned_N), 0, processor, cia)
|
|
!= sizeof(unsigned_N)) {
|
|
cpu_error(processor, cia, "misaligned %d byte write to 0x%lx failed",
|
|
sizeof(unsigned_N), (unsigned long)ea);
|
|
}
|
|
if (WITH_MON & MONITOR_LOAD_STORE_UNIT) {
|
|
/* YUCK */
|
|
unsigned ra = vm_real_data_addr(map, ea, 1, processor, cia);
|
|
mon_write(ea, ra, sizeof(unsigned_N), processor, cia);
|
|
}
|
|
TRACE(trace_load_store, ("store cia=0x%lx ea=0x%lx N=%ld val=0x%lx\n",
|
|
(long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val));
|
|
}
|
|
break;
|
|
default:
|
|
error("internal error - vm_data_map_write_N - bad switch");
|
|
}
|
|
}
|
|
}
|
|
|
|
/* NOTE: see start of file for #define */
|
|
#undef unsigned_N
|
|
#undef T2H_N
|
|
#undef H2T_N
|
|
#undef vm_data_map_read_N
|
|
#undef vm_data_map_write_N
|