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/*
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 *  CRIS helper routines
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 *
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 *  Copyright (c) 2007 AXIS Communications
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 *  Written by Edgar E. Iglesias
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 */
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#include <assert.h>
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#include "exec.h"
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#define MMUSUFFIX _mmu
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#ifdef __s390__
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# define GETPC() ((void*)((unsigned long)__builtin_return_address(0) & 0x7fffffffUL))
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#else
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# define GETPC() (__builtin_return_address(0))
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#endif
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#define SHIFT 0
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#include "softmmu_template.h"
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#define SHIFT 1
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#include "softmmu_template.h"
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#define SHIFT 2
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#include "softmmu_template.h"
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#define SHIFT 3
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#include "softmmu_template.h"
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/* Try to fill the TLB and return an exception if error. If retaddr is
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   NULL, it means that the function was called in C code (i.e. not
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   from generated code or from helper.c) */
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/* XXX: fix it to restore all registers */
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void tlb_fill (target_ulong addr, int is_write, int mmu_idx, void *retaddr)
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{
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    TranslationBlock *tb;
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    CPUState *saved_env;
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    target_phys_addr_t pc;
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    int ret;
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    /* XXX: hack to restore env in all cases, even if not called from
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       generated code */
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    saved_env = env;
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    env = cpu_single_env;
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    ret = cpu_cris_handle_mmu_fault(env, addr, is_write, mmu_idx, 1);
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    if (__builtin_expect(ret, 0)) {
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        if (retaddr) {
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            /* now we have a real cpu fault */
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            pc = (target_phys_addr_t)retaddr;
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            tb = tb_find_pc(pc);
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            if (tb) {
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                /* the PC is inside the translated code. It means that we have
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                   a virtual CPU fault */
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                cpu_restore_state(tb, env, pc, NULL);
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            }
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        }
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        cpu_loop_exit();
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    }
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    env = saved_env;
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}
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void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
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                          int is_asi)
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{
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}