/* * OpenRISC MMU helper routines * * Copyright (c) 2011-2012 Jia Liu * Zhizhou Zhang * * 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 . */ #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