target-openrisc/op_helper.c

   1 /*
   2  * OpenRISC helper routines
   3  *
   4  *  Copyright (c) 2009 Stuart Brady <stuart.brady@gmail.com>
   5  *  Copyright (c) 2009 Laurent Desnogues
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA  02110-1301 USA
  20  */
  21 #include "exec.h"
  22
  23 #if !defined(CONFIG_USER_ONLY)
  24
  25 #define MMUSUFFIX _mmu
  26
  27 #define SHIFT 0
  28 #include "softmmu_template.h"
  29
  30 #define SHIFT 1
  31 #include "softmmu_template.h"
  32
  33 #define SHIFT 2
  34 #include "softmmu_template.h"
  35
  36 #define SHIFT 3
  37 #include "softmmu_template.h"
  38
  39 /* XXX: tempo */
  40 void tlb_fill(target_ulong addr, int is_write, int mmu_idx, void *retaddr)
  41 {
  42     CPUState *saved_env;
  43     int ret;
  44     target_ulong phys_addr;
  45     int prot;
  46
  47     /* XXX: hack to restore env in all cases, even if not called from
  48        generated code */
  49     saved_env = env;
  50     env = cpu_single_env;
  51
  52     /* XXX: flat mapping for the moment...  */
  53     phys_addr = addr;
  54     prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
  55     ret = tlb_set_page(env, addr & TARGET_PAGE_MASK, phys_addr, prot, mmu_idx, 1);
  56
  57     env = saved_env;
  58 }
  59
  60 #endif