root / target-cris / op_helper.c @ 89fc88da
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/*
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* CRIS helper routines
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*
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* Copyright (c) 2007 AXIS Communications
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* Written by Edgar E. Iglesias
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <assert.h> |
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#include "exec.h" |
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#define MMUSUFFIX _mmu
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#define GETPC() (__builtin_return_address(0)) |
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#define SHIFT 0 |
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#include "softmmu_template.h" |
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#define SHIFT 1 |
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#include "softmmu_template.h" |
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#define SHIFT 2 |
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#include "softmmu_template.h" |
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#define SHIFT 3 |
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#include "softmmu_template.h" |
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/* Try to fill the TLB and return an exception if error. If retaddr is
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NULL, it means that the function was called in C code (i.e. not
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from generated code or from helper.c) */
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/* XXX: fix it to restore all registers */
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void tlb_fill (target_ulong addr, int is_write, int is_user, void *retaddr) |
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{ |
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TranslationBlock *tb; |
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CPUState *saved_env; |
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target_phys_addr_t pc; |
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int ret;
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/* XXX: hack to restore env in all cases, even if not called from
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generated code */
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saved_env = env; |
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env = cpu_single_env; |
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ret = cpu_cris_handle_mmu_fault(env, addr, is_write, is_user, 1);
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if (__builtin_expect(ret, 0)) { |
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if (retaddr) {
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/* now we have a real cpu fault */
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pc = (target_phys_addr_t)retaddr; |
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tb = tb_find_pc(pc); |
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if (tb) {
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/* the PC is inside the translated code. It means that we have
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a virtual CPU fault */
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cpu_restore_state(tb, env, pc, NULL);
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} |
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} |
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cpu_loop_exit(); |
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} |
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env = saved_env; |
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} |
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void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec, |
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int is_asi)
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{ |
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} |