2d30267e8e
Add basic softmmu support for TriCore Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Message-id: 1409572800-4116-4-git-send-email-kbastian@mail.uni-paderborn.de Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/*
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* Copyright (c) 2012-2014 Bastian Koppelmann C-Lab/University Paderborn
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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 <stdlib.h>
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#include "cpu.h"
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#include "qemu/host-utils.h"
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#include "exec/helper-proto.h"
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#include "exec/cpu_ldst.h"
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static inline void QEMU_NORETURN do_raise_exception_err(CPUTriCoreState *env,
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uint32_t exception,
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int error_code,
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uintptr_t pc)
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{
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CPUState *cs = CPU(tricore_env_get_cpu(env));
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cs->exception_index = exception;
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env->error_code = error_code;
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if (pc) {
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/* now we have a real cpu fault */
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cpu_restore_state(cs, pc);
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}
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cpu_loop_exit(cs);
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}
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static inline void QEMU_NORETURN do_raise_exception(CPUTriCoreState *env,
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uint32_t exception,
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uintptr_t pc)
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{
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do_raise_exception_err(env, exception, 0, pc);
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}
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void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx,
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uintptr_t retaddr)
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{
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int ret;
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ret = cpu_tricore_handle_mmu_fault(cs, addr, is_write, mmu_idx);
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if (ret) {
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TriCoreCPU *cpu = TRICORE_CPU(cs);
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CPUTriCoreState *env = &cpu->env;
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do_raise_exception_err(env, cs->exception_index,
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env->error_code, retaddr);
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}
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}
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