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/* except.h -- OR1K architecture specific exceptions
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/* except.h -- OR1K architecture specific exceptions
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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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#ifndef _EXCEPT_H_
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This program is free software; you can redistribute it and/or modify it
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#define _EXCEPT_H_
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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/* Define if you want pure virtual machine simulation (no exceptions etc.) */
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This program is distributed in the hope that it will be useful, but WITHOUT
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#define ONLY_VIRTUAL_MACHINE 0
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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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/* Definition of OR1K exceptions */
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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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#ifndef EXCEPT__H
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#define EXCEPT__H
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/* Package includes */
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#include "arch.h"
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/* Definition of OR1K exceptions */
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#define EXCEPT_RESET 0x0100
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#define EXCEPT_RESET 0x0100
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#define EXCEPT_BUSERR 0x0200
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#define EXCEPT_BUSERR 0x0200
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#define EXCEPT_DPF 0x0300
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#define EXCEPT_DPF 0x0300
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#define EXCEPT_IPF 0x0400
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#define EXCEPT_IPF 0x0400
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#define EXCEPT_TICK 0x0500
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#define EXCEPT_TICK 0x0500
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#define EXCEPT_ITLBMISS 0x0a00
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#define EXCEPT_ITLBMISS 0x0a00
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#define EXCEPT_RANGE 0x0b00
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#define EXCEPT_RANGE 0x0b00
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#define EXCEPT_SYSCALL 0x0c00
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#define EXCEPT_SYSCALL 0x0c00
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#define EXCEPT_TRAP 0x0e00
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#define EXCEPT_TRAP 0x0e00
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/* Non maskable exceptions */
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/* Function prototypes for external use */
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#define IS_NME(E) ((E) == EXCEPT_RESET)
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extern void except_handle (oraddr_t except, oraddr_t ea);
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/* Prototypes */
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void except_handle(oraddr_t except, oraddr_t ea);
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const char *except_name(oraddr_t except);
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/* Has an exception been raised in this cycle ? */
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extern int except_pending;
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extern int except_pending;
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#endif
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#endif /* EXCEPT__H */
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