hw/xtensa/xtensa_memory.c

   1 /*
   2  * Copyright (c) 2017, Max Filippov, Open Source and Linux Lab.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are met:
   7  *     * Redistributions of source code must retain the above copyright
   8  *       notice, this list of conditions and the following disclaimer.
   9  *     * Redistributions in binary form must reproduce the above copyright
  10  *       notice, this list of conditions and the following disclaimer in the
  11  *       documentation and/or other materials provided with the distribution.
  12  *     * Neither the name of the Open Source and Linux Lab nor the
  13  *       names of its contributors may be used to endorse or promote products
  14  *       derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  20  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include "qemu/osdep.h"
  29 #include "qapi/error.h"
  30 #include "cpu.h"
  31 #include "exec/memory.h"
  32 #include "qemu/error-report.h"
  33 #include "xtensa_memory.h"
  34
  35 void xtensa_create_memory_regions(const XtensaMemory *memory,
  36                                   const char *name,
  37                                   MemoryRegion *super)
  38 {
  39     unsigned i;
  40     GString *num_name = g_string_new(NULL);
  41
  42     for (i = 0; i < memory->num; ++i) {
  43         MemoryRegion *m;
  44
  45         g_string_printf(num_name, "%s%u", name, i);
  46         m = g_new(MemoryRegion, 1);
  47         memory_region_init_ram(m, NULL, num_name->str,
  48                                memory->location[i].size, &error_fatal);
  49         memory_region_add_subregion(super, memory->location[i].addr, m);
  50     }
  51     g_string_free(num_name, true);
  52 }