1 /* This file is part of the program psim. 2 3 Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au> 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 19 */ 20 21 22 #ifndef N 23 #error "N must be #defined" 24 #endif 25 26 /* NOTE: See end of file for #undef */ 27 #define unsigned_N XCONCAT2(unsigned_,N) 28 #define T2H_N XCONCAT2(T2H_,N) 29 #define H2T_N XCONCAT2(H2T_,N) 30 #define vm_data_map_read_N XCONCAT2(vm_data_map_read_,N) 31 #define vm_data_map_write_N XCONCAT2(vm_data_map_write_,N) 32 33 34 INLINE_VM\ 35 (unsigned_N) 36 vm_data_map_read_N(vm_data_map *map, 37 unsigned_word ea, 38 cpu *processor, 39 unsigned_word cia) 40 { 41 if ((ea & (sizeof(unsigned_N)-1)) == 0) { 42 unsigned ra = vm_real_data_addr(map, ea, 1/*is-read*/, processor, cia); 43 unsigned_N val; 44 if (WITH_XOR_ENDIAN) 45 ra ^= map->translation.xor[sizeof(unsigned_N) - 1]; 46 val = XCONCAT2(core_map_read_,N)(map->read, ra, processor, cia); 47 if (WITH_MON & MONITOR_LOAD_STORE_UNIT) 48 mon_read(ea, ra, sizeof(unsigned_N), processor, cia); 49 TRACE(trace_load_store, ("load cia=0x%lx ea=0x%lx N=%ld val=0x%lx\n", 50 (long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val)); 51 return val; 52 } 53 else { 54 switch (CURRENT_ALIGNMENT) { 55 case STRICT_ALIGNMENT: 56 alignment_interrupt(processor, cia, ea); 57 return 0; 58 case NONSTRICT_ALIGNMENT: 59 { 60 unsigned_N val; 61 if (vm_data_map_read_buffer(map, &val, ea, sizeof(unsigned_N), processor, cia) 62 != sizeof(unsigned_N)) { 63 cpu_error(processor, cia, "misaligned %d byte read to 0x%lx failed", 64 sizeof(unsigned_N), (unsigned long)ea); 65 } 66 val = T2H_N(val); 67 if (WITH_MON & MONITOR_LOAD_STORE_UNIT) { 68 /* YUCK */ 69 unsigned ra = vm_real_data_addr(map, ea, 1, processor, cia); 70 mon_read(ea, ra, sizeof(unsigned_N), processor, cia); 71 } 72 TRACE(trace_load_store, ("load cia=0x%lx ea=0x%lx N=%ld data=0x%lx\n", 73 (long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val)); 74 return val; 75 } 76 default: 77 error("internal error - vm_data_map_read_N - bad switch"); 78 return 0; 79 } 80 } 81 } 82 83 INLINE_VM\ 84 (void) 85 vm_data_map_write_N(vm_data_map *map, 86 unsigned_word ea, 87 unsigned_N val, 88 cpu *processor, 89 unsigned_word cia) 90 { 91 if ((ea & (sizeof(unsigned_N)-1)) == 0) { 92 unsigned ra = vm_real_data_addr(map, ea, 0/*is-read?*/, processor, cia); 93 if (WITH_XOR_ENDIAN) 94 ra ^= map->translation.xor[sizeof(unsigned_N) - 1]; 95 XCONCAT2(core_map_write_,N)(map->write, ra, val, processor, cia); 96 if (WITH_MON & MONITOR_LOAD_STORE_UNIT) 97 mon_write(ea, ra, sizeof(unsigned_N), processor, cia); 98 TRACE(trace_load_store, ("store cia=0x%lx ea=0x%lx N=%ld val=0x%lx\n", 99 (long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val)); 100 } 101 else { 102 switch (CURRENT_ALIGNMENT) { 103 case STRICT_ALIGNMENT: 104 alignment_interrupt(processor, cia, ea); 105 break; 106 case NONSTRICT_ALIGNMENT: 107 { 108 unsigned_N data = H2T_N(val); 109 if (vm_data_map_write_buffer(map, &data, ea, sizeof(unsigned_N), 0, processor, cia) 110 != sizeof(unsigned_N)) { 111 cpu_error(processor, cia, "misaligned %d byte write to 0x%lx failed", 112 sizeof(unsigned_N), (unsigned long)ea); 113 } 114 if (WITH_MON & MONITOR_LOAD_STORE_UNIT) { 115 /* YUCK */ 116 unsigned ra = vm_real_data_addr(map, ea, 1, processor, cia); 117 mon_write(ea, ra, sizeof(unsigned_N), processor, cia); 118 } 119 TRACE(trace_load_store, ("store cia=0x%lx ea=0x%lx N=%ld val=0x%lx\n", 120 (long)cia, (long)ea, (long)sizeof(unsigned_N), (long)val)); 121 } 122 break; 123 default: 124 error("internal error - vm_data_map_write_N - bad switch"); 125 } 126 } 127 } 128 129 /* NOTE: see start of file for #define */ 130 #undef unsigned_N 131 #undef T2H_N 132 #undef H2T_N 133 #undef vm_data_map_read_N 134 #undef vm_data_map_write_N 135