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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [ppc/] [vm_n.h] - Rev 183
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/* 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 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 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
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