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      1 /*  This file is part of the program psim.
      2 
      3     Copyright (C) 1994-1996, Andrew Cagney <cagney (at) 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 3 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, see <http://www.gnu.org/licenses/>.
     17 
     18     */
     19 
     20 
     21 #ifndef N
     22 #error "N must be #defined"
     23 #endif
     24 
     25 /* NOTE: see end of file for #undef of these macros */
     26 #define unsigned_N XCONCAT2(unsigned_,N)
     27 #define T2H_N XCONCAT2(T2H_,N)
     28 #define H2T_N XCONCAT2(H2T_,N)
     29 
     30 #define core_map_read_N XCONCAT2(core_map_read_,N)
     31 #define core_map_write_N XCONCAT2(core_map_write_,N)
     32 
     33 INLINE_CORE(unsigned_N)
     34 core_map_read_N(core_map *map,
     35 		unsigned_word addr,
     36 		cpu *processor,
     37 		unsigned_word cia)
     38 {
     39   core_mapping *mapping = core_map_find_mapping(map,
     40 						addr,
     41 						sizeof(unsigned_N),
     42 						processor,
     43 						cia,
     44 						1); /*abort*/
     45   if (WITH_CALLBACK_MEMORY && mapping->device != NULL) {
     46     unsigned_N data;
     47     if (device_io_read_buffer(mapping->device,
     48 			      &data,
     49 			      mapping->space,
     50 			      addr,
     51 			      sizeof(unsigned_N), /* nr_bytes */
     52 			      processor,
     53 			      cia) != sizeof(unsigned_N))
     54       device_error(mapping->device, "internal error - core_read_N() - io_read_buffer should not fail");
     55     return T2H_N(data);
     56   }
     57   else
     58     return T2H_N(*(unsigned_N*)core_translate(mapping, addr));
     59 }
     60 
     61 
     62 
     63 INLINE_CORE(void)
     64 core_map_write_N(core_map *map,
     65 		 unsigned_word addr,
     66 		 unsigned_N val,
     67 		 cpu *processor,
     68 		 unsigned_word cia)
     69 {
     70   core_mapping *mapping = core_map_find_mapping(map,
     71 						addr,
     72 						sizeof(unsigned_N),
     73 						processor,
     74 						cia,
     75 						1); /*abort*/
     76   if (WITH_CALLBACK_MEMORY && mapping->device != NULL) {
     77     unsigned_N data = H2T_N(val);
     78     if (device_io_write_buffer(mapping->device,
     79 			       &data,
     80 			       mapping->space,
     81 			       addr,
     82 			       sizeof(unsigned_N), /* nr_bytes */
     83 			       processor,
     84 			       cia) != sizeof(unsigned_N))
     85       device_error(mapping->device, "internal error - core_write_N() - io_write_buffer should not fail");
     86   }
     87   else
     88     *(unsigned_N*)core_translate(mapping, addr) = H2T_N(val);
     89 }
     90 
     91 /* NOTE: see start of file for #define of these macros */
     92 #undef unsigned_N
     93 #undef T2H_N
     94 #undef H2T_N
     95 #undef core_map_read_N
     96 #undef core_map_write_N
     97