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#ifndef CYGONCE_HAL_VAR_ARCH_H
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#define CYGONCE_HAL_VAR_ARCH_H
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//==========================================================================
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//
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// var_arch.h
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//
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// Architecture specific abstractions
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//
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//==========================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos 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
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): nickg
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// Contributors: nickg
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// Date: 1999-02-17
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// Purpose: Define architecture abstractions
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// Description: This file contains any extra or modified definitions for
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// this variant of the architecture.
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// Usage: #include <cyg/hal/var_arch.h>
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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#include <pkgconf/hal.h>
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#include <cyg/infra/cyg_type.h>
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//--------------------------------------------------------------------------
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// Processor saved states:
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typedef struct HAL_SavedRegisters
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{
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// These are common to all saved states and are in the order
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// stored and loaded by the movm instruction.
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CYG_ADDRWORD vector; /* Vector number/dummy */
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CYG_ADDRWORD lar; /* Loop address register */
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CYG_ADDRWORD lir; /* Loop instruction register */
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CYG_ADDRWORD mdr; /* Multiply/Divide register */
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CYG_ADDRWORD a1;
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CYG_ADDRWORD a0;
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CYG_ADDRWORD d1;
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CYG_ADDRWORD d0;
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CYG_ADDRWORD a3;
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CYG_ADDRWORD a2;
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CYG_ADDRWORD d3;
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CYG_ADDRWORD d2;
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/* On interrupts the PC and PSW are pushed automatically by the */
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/* CPU and SP is pushed for debugging reasons. On a thread switch */
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/* the saved context is made to look the same. */
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CYG_ADDRWORD sp; /* Saved copy of SP in some states */
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CYG_ADDRWORD psw; /* Status word */
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CYG_ADDRWORD pc; /* Program Counter */
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} HAL_SavedRegisters;
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//--------------------------------------------------------------------------
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#endif // CYGONCE_HAL_VAR_ARCH_H
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// End of var_arch.h
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