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/* sprs.c -- Simulation of OR1K special-purpose registers
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/* sprs.c -- Simulation of OR1K special-purpose registers
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Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
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Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
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Copyright (C) 2008 Embecosm Limited
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This file is part of OpenRISC 1000 Architectural Simulator.
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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This program is free software; you can redistribute it and/or modify
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This file is part of Or1ksim, the OpenRISC 1000 Architectural Simulator.
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <stdlib.h>
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This program is free software; you can redistribute it and/or modify it
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#include <stdio.h>
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under the terms of the GNU General Public License as published by the Free
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#include <string.h>
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Software Foundation; either version 3 of the License, or (at your option)
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#include <errno.h>
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any later version.
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#include "config.h"
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* This program is commented throughout in a fashion suitable for processing
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with Doxygen. */
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#ifdef HAVE_INTTYPES_H
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#include <inttypes.h>
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#endif
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/* Autoconf and/or portability configuration */
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#include "config.h"
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#include "port.h"
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#include "port.h"
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#include "arch.h"
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#include "abstract.h"
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/* System includes */
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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/* Package includes */
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#include "sprs.h"
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#include "sim-config.h"
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#include "sim-config.h"
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#include "except.h"
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#include "debug.h"
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#include "opcode/or32.h"
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#include "spr_defs.h"
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#include "execute.h"
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#include "execute.h"
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#include "sprs.h"
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#include "spr-defs.h"
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#include "dcache_model.h"
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#include "icache_model.h"
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#include "tick.h"
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#include "tick.h"
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#include "dcache-model.h"
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#include "icache-model.h"
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#include "dmmu.h"
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#include "dmmu.h"
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#include "immu.h"
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#include "immu.h"
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#include "toplevel-support.h"
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#include "pic.h"
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#include "pic.h"
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#include "debug.h"
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DEFAULT_DEBUG_CHANNEL(spr);
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DEFAULT_DEBUG_CHANNEL(spr);
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DECLARE_DEBUG_CHANNEL(immu);
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DECLARE_DEBUG_CHANNEL(immu);
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static int audio_cnt = 0;
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static int audio_cnt = 0;
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cpu_state.delay_insn = 0;
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cpu_state.delay_insn = 0;
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pcnext = value + 4;
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pcnext = value + 4;
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}
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}
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break;
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break;
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case SPR_PICSR:
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case SPR_PICSR:
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if(!pic_state->edge_trigger)
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if(!config.pic.edge_trigger)
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cpu_state.sprs[SPR_PICSR] = prev_val;
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cpu_state.sprs[SPR_PICSR] = prev_val;
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break;
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break;
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case SPR_PICMR:
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case SPR_PICMR:
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if(cpu_state.sprs[SPR_SR] & SPR_SR_IEE)
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if(cpu_state.sprs[SPR_SR] & SPR_SR_IEE)
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pic_ints_en();
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pic_ints_en();
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PRINTF("Audio closed.\n");
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PRINTF("Audio closed.\n");
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sim_done();
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sim_done();
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break;
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break;
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case SPR_PMR:
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case SPR_PMR:
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/* PMR[SDF] and PMR[DCGE] are ignored completely. */
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/* PMR[SDF] and PMR[DCGE] are ignored completely. */
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if (value & SPR_PMR_SUME) {
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if (config.pm.enabled && (value & SPR_PMR_SUME)) {
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PRINTF ("SUSPEND: PMR[SUME] bit was set.\n");
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PRINTF ("SUSPEND: PMR[SUME] bit was set.\n");
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sim_done();
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sim_done();
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}
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}
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break;
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break;
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default:
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default:
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