From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/target-openrisc/mmu_helper.c | 42 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 qemu/target-openrisc/mmu_helper.c (limited to 'qemu/target-openrisc/mmu_helper.c') diff --git a/qemu/target-openrisc/mmu_helper.c b/qemu/target-openrisc/mmu_helper.c new file mode 100644 index 000000000..ee1c6f611 --- /dev/null +++ b/qemu/target-openrisc/mmu_helper.c @@ -0,0 +1,42 @@ +/* + * 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" +#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 -- cgit 1.2.3-korg