sim/ppc/corefile-n.h

   1 /*  This file is part of the program psim.
   2
   3     Copyright (C) 1994-1996, 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 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