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/*
* OpenRISC MMU helper routines
*
* Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
* Zhizhou Zhang <etouzh@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "cpu.h"
#ifndef CONFIG_USER_ONLY
#include "softmmu_exec.h"
#define MMUSUFFIX _mmu
#define SHIFT 0
#include "softmmu_template.h"
#define SHIFT 1
#include "softmmu_template.h"
#define SHIFT 2
#include "softmmu_template.h"
#define SHIFT 3
#include "softmmu_template.h"
void tlb_fill(CPUOpenRISCState *env, target_ulong addr, int is_write,
int mmu_idx, uintptr_t retaddr)
{
TranslationBlock *tb;
unsigned long pc;
int ret;
ret = cpu_openrisc_handle_mmu_fault(env, addr, is_write, mmu_idx);
if (ret) {
if (retaddr) {
/* now we have a real cpu fault. */
pc = (unsigned long)retaddr;
tb = tb_find_pc(pc);
if (tb) {
/* the PC is inside the translated code. It means that we
have a virtual CPU fault. */
cpu_restore_state(tb, env, pc);
}
}
/* Raise Exception. */
cpu_loop_exit(env);
}
}
#endif
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