/* * 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" #include "exec/cpu_ldst.h" #ifndef CONFIG_USER_ONLY void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx, uintptr_t retaddr) { int ret; ret = openrisc_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx); if (ret) { if (retaddr) { /* now we have a real cpu fault. */ cpu_restore_state(cs, retaddr); } /* Raise Exception. */ cpu_loop_exit(cs); } } #endif