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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [sparclite/] [arch/] [v2_0/] [src/] [hal_intr.c] - Rev 622
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//========================================================================== // // hal_intr.c // // SPARClite Architecture specific interrupt dispatch tables // //========================================================================== //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, 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., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 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. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): hmt // Contributors: hmt // Date: 1999-02-20 // Purpose: Interrupt handler tables for SPARClite. // //####DESCRIPTIONEND#### // //========================================================================== #include <cyg/hal/hal_intr.h> #include <cyg/hal/hal_arch.h> #include <cyg/infra/cyg_ass.h> // for CYG_FAIL() below // ------------------------------------------------------------------------ // First level C default interrupt handler. //static int count = 0; cyg_uint32 hal_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data) { return 0; // 0x1def0000 + vector + (count += 0x0100); } // ------------------------------------------------------------------------ // First level C exception handler. externC void __handle_exception (void); externC HAL_SavedRegisters *_hal_registers; void cyg_hal_exception_handler(CYG_ADDRWORD vector, CYG_ADDRWORD data, CYG_ADDRWORD stackpointer ) { #ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS // Set the pointer to the registers of the current exception // context. At entry the GDB stub will expand the // HAL_SavedRegisters structure into a (bigger) register array. _hal_registers = (HAL_SavedRegisters *)stackpointer; __handle_exception(); #elif defined(CYGFUN_HAL_COMMON_KERNEL_SUPPORT) && \ defined(CYGPKG_HAL_EXCEPTIONS) // We should decode the vector and pass a more appropriate // value as the second argument. For now we simply pass a // pointer to the saved registers. We should also divert // breakpoint and other debug vectors into the debug stubs. cyg_hal_deliver_exception( vector, stackpointer ); #else CYG_FAIL("Exception!!!"); #endif return; } // ISR tables volatile CYG_ADDRESS hal_interrupt_handlers[CYGNUM_HAL_VSR_COUNT] = { (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, (CYG_ADDRESS)hal_default_isr, /* 16 of these */ (CYG_ADDRESS)cyg_hal_exception_handler, (CYG_ADDRESS)cyg_hal_exception_handler, (CYG_ADDRESS)cyg_hal_exception_handler, (CYG_ADDRESS)cyg_hal_exception_handler, (CYG_ADDRESS)cyg_hal_exception_handler, (CYG_ADDRESS)cyg_hal_exception_handler, (CYG_ADDRESS)cyg_hal_exception_handler, (CYG_ADDRESS)cyg_hal_exception_handler, (CYG_ADDRESS)cyg_hal_exception_handler, (CYG_ADDRESS)cyg_hal_exception_handler, (CYG_ADDRESS)cyg_hal_exception_handler, /* 11 of these */ }; volatile CYG_ADDRWORD hal_interrupt_data[CYGNUM_HAL_VSR_COUNT] = { 0x11da1a00, 0x11da1a01, 0x11da1a02, 0x11da1a03, 0x11da1a04, 0x11da1a05, 0x11da1a06, 0x11da1a07, 0x11da1a08, 0x11da1a09, 0x11da1a0a, 0x11da1a0b, 0x11da1a0c, 0x11da1a0d, 0x11da1a0e, 0x11da1a0f, 0xeeda1a00, 0xeeda1a01, 0xeeda1a02, 0xeeda1a03, 0xeeda1a04, 0xeeda1a05, 0xeeda1a06, 0xeeda1a07, 0xeeda1a08, 0xeeda1a09, 0xeeda1a0A }; volatile CYG_ADDRESS hal_interrupt_objects[CYGNUM_HAL_VSR_COUNT] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }; // EOF hal_intr.c
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