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[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [mn10300/] [am31/] [current/] [include/] [var_arch.h] - Rev 853
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#ifndef CYGONCE_HAL_VAR_ARCH_H #define CYGONCE_HAL_VAR_ARCH_H //========================================================================== // // var_arch.h // // Architecture specific abstractions // //========================================================================== // ####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later // version. // // eCos is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License // along with eCos; if not, write to the Free Software Foundation, Inc., // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // As a special exception, if other files instantiate templates or use // macros or inline functions from this file, or you compile this file // and link it with other works to produce a work based on this file, // this file does not by itself cause the resulting work to be covered by // the GNU General Public License. However the source code for this file // must still be made available in accordance with section (3) of the GNU // General Public License v2. // // This exception does not invalidate any other reasons why a work based // on this file might be covered by the GNU General Public License. // ------------------------------------------- // ####ECOSGPLCOPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): nickg // Contributors: nickg // Date: 1999-02-17 // Purpose: Define architecture abstractions // Description: This file contains any extra or modified definitions for // this variant of the architecture. // Usage: #include <cyg/hal/var_arch.h> // //####DESCRIPTIONEND#### // //========================================================================== #include <pkgconf/hal.h> #include <cyg/infra/cyg_type.h> //-------------------------------------------------------------------------- // Processor saved states: typedef struct HAL_SavedRegisters { // These are common to all saved states and are in the order // stored and loaded by the movm instruction. CYG_ADDRWORD vector; /* Vector number/dummy */ CYG_ADDRWORD lar; /* Loop address register */ CYG_ADDRWORD lir; /* Loop instruction register */ CYG_ADDRWORD mdr; /* Multiply/Divide register */ CYG_ADDRWORD a1; CYG_ADDRWORD a0; CYG_ADDRWORD d1; CYG_ADDRWORD d0; CYG_ADDRWORD a3; CYG_ADDRWORD a2; CYG_ADDRWORD d3; CYG_ADDRWORD d2; /* On interrupts the PC and PSW are pushed automatically by the */ /* CPU and SP is pushed for debugging reasons. On a thread switch */ /* the saved context is made to look the same. */ CYG_ADDRWORD sp; /* Saved copy of SP in some states */ CYG_ADDRWORD psw; /* Status word */ CYG_ADDRWORD pc; /* Program Counter */ } HAL_SavedRegisters; //-------------------------------------------------------------------------- #endif // CYGONCE_HAL_VAR_ARCH_H // End of var_arch.h
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