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https://github.com/darlinghq/darling-gdb.git
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135 lines
4.3 KiB
C
135 lines
4.3 KiB
C
/* This file is part of the program psim.
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Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef N
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#error "N must be #defined"
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#endif
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/* NOTE: See end of file for #undef */
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#define unsigned_N XCONCAT2(unsigned_,N)
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#define T2H_N XCONCAT2(T2H_,N)
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#define H2T_N XCONCAT2(H2T_,N)
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#define vm_data_map_read_N XCONCAT2(vm_data_map_read_,N)
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#define vm_data_map_write_N XCONCAT2(vm_data_map_write_,N)
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INLINE_VM\
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(unsigned_N)
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vm_data_map_read_N(vm_data_map *map,
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unsigned_word ea,
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cpu *processor,
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unsigned_word cia)
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{
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if ((ea & (sizeof(unsigned_N)-1)) == 0) {
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unsigned ra = vm_real_data_addr(map, ea, 1/*is-read*/, processor, cia);
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unsigned_N val;
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if (WITH_XOR_ENDIAN)
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ra ^= map->translation.xor[sizeof(unsigned_N) - 1];
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val = XCONCAT2(core_map_read_,N)(map->read, ra, processor, cia);
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if (WITH_MON & MONITOR_LOAD_STORE_UNIT)
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mon_read(ea, ra, sizeof(unsigned_N), processor, cia);
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TRACE(trace_load_store, ("load cia=0x%lx ea=0x%lx N=%ld val=0x%lx\n",
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(long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val));
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return val;
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}
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else {
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switch (CURRENT_ALIGNMENT) {
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case STRICT_ALIGNMENT:
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alignment_interrupt(processor, cia, ea);
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return 0;
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case NONSTRICT_ALIGNMENT:
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{
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unsigned_N val;
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if (vm_data_map_read_buffer(map, &val, ea, sizeof(unsigned_N), processor, cia)
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!= sizeof(unsigned_N)) {
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cpu_error(processor, cia, "misaligned %d byte read to 0x%lx failed",
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sizeof(unsigned_N), (unsigned long)ea);
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}
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val = T2H_N(val);
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if (WITH_MON & MONITOR_LOAD_STORE_UNIT) {
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/* YUCK */
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unsigned ra = vm_real_data_addr(map, ea, 1, processor, cia);
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mon_read(ea, ra, sizeof(unsigned_N), processor, cia);
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}
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TRACE(trace_load_store, ("load cia=0x%lx ea=0x%lx N=%ld data=0x%lx\n",
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(long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val));
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return val;
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}
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default:
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error("internal error - vm_data_map_read_N - bad switch");
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return 0;
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}
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}
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}
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INLINE_VM\
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(void)
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vm_data_map_write_N(vm_data_map *map,
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unsigned_word ea,
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unsigned_N val,
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cpu *processor,
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unsigned_word cia)
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{
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if ((ea & (sizeof(unsigned_N)-1)) == 0) {
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unsigned ra = vm_real_data_addr(map, ea, 0/*is-read?*/, processor, cia);
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if (WITH_XOR_ENDIAN)
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ra ^= map->translation.xor[sizeof(unsigned_N) - 1];
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XCONCAT2(core_map_write_,N)(map->write, ra, val, processor, cia);
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if (WITH_MON & MONITOR_LOAD_STORE_UNIT)
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mon_write(ea, ra, sizeof(unsigned_N), processor, cia);
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TRACE(trace_load_store, ("store cia=0x%lx ea=0x%lx N=%ld val=0x%lx\n",
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(long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val));
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}
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else {
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switch (CURRENT_ALIGNMENT) {
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case STRICT_ALIGNMENT:
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alignment_interrupt(processor, cia, ea);
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break;
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case NONSTRICT_ALIGNMENT:
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{
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unsigned_N data = H2T_N(val);
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if (vm_data_map_write_buffer(map, &data, ea, sizeof(unsigned_N), 0, processor, cia)
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!= sizeof(unsigned_N)) {
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cpu_error(processor, cia, "misaligned %d byte write to 0x%lx failed",
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sizeof(unsigned_N), (unsigned long)ea);
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}
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if (WITH_MON & MONITOR_LOAD_STORE_UNIT) {
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/* YUCK */
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unsigned ra = vm_real_data_addr(map, ea, 1, processor, cia);
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mon_write(ea, ra, sizeof(unsigned_N), processor, cia);
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}
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TRACE(trace_load_store, ("store cia=0x%lx ea=0x%lx N=%ld val=0x%lx\n",
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(long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val));
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}
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break;
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default:
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error("internal error - vm_data_map_write_N - bad switch");
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}
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}
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}
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/* NOTE: see start of file for #define */
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#undef unsigned_N
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#undef T2H_N
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#undef H2T_N
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#undef vm_data_map_read_N
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#undef vm_data_map_write_N
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