cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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xtensa_memory.c (2369B)

      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 "exec/memory.h"
     31#include "qemu/error-report.h"
     32#include "xtensa_memory.h"
     33
     34void xtensa_create_memory_regions(const XtensaMemory *memory,
     35                                  const char *name,
     36                                  MemoryRegion *super)
     37{
     38    unsigned i;
     39    GString *num_name = g_string_new(NULL);
     40
     41    for (i = 0; i < memory->num; ++i) {
     42        MemoryRegion *m;
     43
     44        g_string_printf(num_name, "%s%u", name, i);
     45        m = g_new(MemoryRegion, 1);
     46        memory_region_init_ram(m, NULL, num_name->str,
     47                               memory->location[i].size, &error_fatal);
     48        memory_region_add_subregion(super, memory->location[i].addr, m);
     49    }
     50    g_string_free(num_name, true);
     51}