projects / binutils.git / blame
| Commit | Line | Data |
|---|---|---|
| a983c8f0 MM |
1 | /* This file is part of the program psim. |
| 2 | ||
| 3 | Copyright (C) 1994-1995, Andrew Cagney <[email protected]> | |
| 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 | #undef unsigned_N | |
| 27 | #define unsigned_N XCONCAT2(unsigned_,N) | |
| 28 | #undef T2H_N | |
| 29 | #define T2H_N XCONCAT2(T2H_,N) | |
| 30 | #undef H2T_N | |
| 31 | #define H2T_N XCONCAT2(H2T_,N) | |
| 32 | ||
| 33 | ||
| 34 | INLINE_VM unsigned_N | |
| 35 | XCONCAT2(vm_data_map_read_,N)(vm_data_map *map, | |
| 36 | unsigned_word ea, | |
| 37 | cpu *processor, | |
| 38 | unsigned_word cia) | |
| 39 | { | |
| 40 | if ((ea & (sizeof(unsigned_N)-1)) == 0) { | |
| 41 | unsigned ra = vm_real_data_addr(map, ea, 1/*is-read*/, processor, cia); | |
| 42 | unsigned_N val = XCONCAT2(core_map_read_,N)(map->read, ra, processor, cia); | |
| 43 | if (WITH_MON & MONITOR_LOAD_STORE_UNIT) | |
| 44 | mon_read(ea, ra, sizeof(unsigned_N), processor, cia); | |
| 45 | TRACE(trace_load_store, ("load cia=0x%x ea=0x%x N=%d val=0x%x\n", | |
| 46 | cia, ea, sizeof(unsigned_N), val)); | |
| 47 | return val; | |
| 48 | } | |
| 49 | else { | |
| 50 | switch (CURRENT_ALIGNMENT) { | |
| 51 | case STRICT_ALIGNMENT: | |
| 52 | alignment_interrupt(processor, cia, ea); | |
| 53 | return 0; | |
| 54 | case NONSTRICT_ALIGNMENT: | |
| 55 | { | |
| a983c8f0 MM |
56 | unsigned_N val; |
| 57 | if (vm_data_map_read_buffer(map, &val, ea, sizeof(unsigned_N)) | |
| 58 | != sizeof(unsigned_N)) | |
| 59 | alignment_interrupt(processor, cia, ea); | |
| 60 | val = T2H_N(val); | |
| 61 | if (WITH_MON & MONITOR_LOAD_STORE_UNIT) { | |
| 62 | /* YUCK */ | |
| 63 | unsigned ra = vm_real_data_addr(map, ea, 1, processor, cia); | |
| 64 | mon_read(ea, ra, sizeof(unsigned_N), processor, cia); | |
| 65 | } | |
| 66 | TRACE(trace_load_store, ("load cia=0x%x ea=0x%x N=%d data=0x%x\n", | |
| 67 | cia, ea, sizeof(unsigned_N), val)); | |
| 68 | return val; | |
| 69 | } | |
| 70 | default: | |
| 71 | error("unknown alignment support\n"); | |
| 72 | return 0; | |
| 73 | } | |
| 74 | } | |
| 75 | } | |
| 76 | ||
| 77 | INLINE_VM void | |
| 78 | XCONCAT2(vm_data_map_write_,N)(vm_data_map *map, | |
| 79 | unsigned_word ea, | |
| 80 | unsigned_N val, | |
| 81 | cpu *processor, | |
| 82 | unsigned_word cia) | |
| 83 | { | |
| 84 | if ((ea & (sizeof(unsigned_N)-1)) == 0) { | |
| 85 | unsigned ra = vm_real_data_addr(map, ea, 0/*is-read?*/, processor, cia); | |
| 86 | XCONCAT2(core_map_write_,N)(map->write, ra, val, processor, cia); | |
| 87 | if (WITH_MON & MONITOR_LOAD_STORE_UNIT) | |
| 88 | mon_write(ea, ra, sizeof(unsigned_N), processor, cia); | |
| 89 | TRACE(trace_load_store, ("store cia=0x%x ea=0x%x N=%d val=0x%x\n", | |
| 90 | cia, ea, sizeof(unsigned_N), val)); | |
| 91 | } | |
| 92 | else { | |
| 93 | switch (CURRENT_ALIGNMENT) { | |
| 94 | case STRICT_ALIGNMENT: | |
| 95 | alignment_interrupt(processor, cia, ea); | |
| 96 | break; | |
| 97 | case NONSTRICT_ALIGNMENT: | |
| 98 | { | |
| 99 | unsigned_N data = H2T_N(val); | |
| 100 | if (vm_data_map_write_buffer(map, &data, ea, sizeof(unsigned_N), 0) | |
| 101 | != sizeof(unsigned_N)) | |
| 102 | alignment_interrupt(processor, cia, ea); | |
| 103 | if (WITH_MON & MONITOR_LOAD_STORE_UNIT) { | |
| 104 | /* YUCK */ | |
| 105 | unsigned ra = vm_real_data_addr(map, ea, 1, processor, cia); | |
| 106 | mon_write(ea, ra, sizeof(unsigned_N), processor, cia); | |
| 107 | } | |
| 108 | TRACE(trace_load_store, ("store cia=0x%x ea=0x%x N=%d val=0x%x\n", | |
| 109 | cia, ea, sizeof(unsigned_N), val)); | |
| 110 | } | |
| 111 | break; | |
| 112 | default: | |
| 113 | error("unknown alignment support\n"); | |
| 114 | } | |
| 115 | } | |
| 116 | } |