44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/*
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* OpenRISC MMU helper routines
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*
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* Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
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* Zhizhou Zhang <etouzh@gmail.com>
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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, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "cpu.h"
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#include "exec/cpu_ldst.h"
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#ifndef CONFIG_USER_ONLY
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void tlb_fill(CPUState *cs, target_ulong addr, int is_write,
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int mmu_idx, uintptr_t retaddr)
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{
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int ret;
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ret = openrisc_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx);
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if (ret) {
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if (retaddr) {
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/* now we have a real cpu fault. */
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cpu_restore_state(cs, retaddr);
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}
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/* Raise Exception. */
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cpu_loop_exit(cs);
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}
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}
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#endif
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