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skrzyp |
//==========================================================================
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//
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// hal_intr.c
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//
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// SPARClite Architecture specific interrupt dispatch tables
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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): hmt
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// Contributors: hmt
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// Date: 1999-02-20
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// Purpose: Interrupt handler tables for SPARClite.
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//
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//####DESCRIPTIONEND####
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//
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//==========================================================================
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#include <cyg/hal/hal_intr.h>
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#include <cyg/hal/hal_arch.h>
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#include <cyg/infra/cyg_ass.h> // for CYG_FAIL() below
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// ------------------------------------------------------------------------
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// First level C default interrupt handler.
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//static int count = 0;
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cyg_uint32 hal_default_isr(CYG_ADDRWORD vector, CYG_ADDRWORD data)
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{
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return 0; // 0x1def0000 + vector + (count += 0x0100);
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}
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// ------------------------------------------------------------------------
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// First level C exception handler.
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externC void __handle_exception (void);
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externC HAL_SavedRegisters *_hal_registers;
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void cyg_hal_exception_handler(CYG_ADDRWORD vector, CYG_ADDRWORD data,
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CYG_ADDRWORD stackpointer )
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{
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#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
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// Set the pointer to the registers of the current exception
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// context. At entry the GDB stub will expand the
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// HAL_SavedRegisters structure into a (bigger) register array.
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_hal_registers = (HAL_SavedRegisters *)stackpointer;
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__handle_exception();
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#elif defined(CYGFUN_HAL_COMMON_KERNEL_SUPPORT) && \
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defined(CYGPKG_HAL_EXCEPTIONS)
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// We should decode the vector and pass a more appropriate
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// value as the second argument. For now we simply pass a
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// pointer to the saved registers. We should also divert
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// breakpoint and other debug vectors into the debug stubs.
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cyg_hal_deliver_exception( vector, stackpointer );
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#else
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CYG_FAIL("Exception!!!");
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#endif
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return;
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}
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// ISR tables
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volatile
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CYG_ADDRESS hal_interrupt_handlers[CYGNUM_HAL_VSR_COUNT] = {
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr,
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(CYG_ADDRESS)hal_default_isr, /* 16 of these */
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(CYG_ADDRESS)cyg_hal_exception_handler,
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(CYG_ADDRESS)cyg_hal_exception_handler,
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(CYG_ADDRESS)cyg_hal_exception_handler,
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(CYG_ADDRESS)cyg_hal_exception_handler,
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(CYG_ADDRESS)cyg_hal_exception_handler,
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(CYG_ADDRESS)cyg_hal_exception_handler,
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(CYG_ADDRESS)cyg_hal_exception_handler,
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(CYG_ADDRESS)cyg_hal_exception_handler,
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(CYG_ADDRESS)cyg_hal_exception_handler,
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(CYG_ADDRESS)cyg_hal_exception_handler,
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(CYG_ADDRESS)cyg_hal_exception_handler, /* 11 of these */
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};
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volatile
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CYG_ADDRWORD hal_interrupt_data[CYGNUM_HAL_VSR_COUNT] = {
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0x11da1a00, 0x11da1a01, 0x11da1a02, 0x11da1a03,
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0x11da1a04, 0x11da1a05, 0x11da1a06, 0x11da1a07,
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0x11da1a08, 0x11da1a09, 0x11da1a0a, 0x11da1a0b,
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0x11da1a0c, 0x11da1a0d, 0x11da1a0e, 0x11da1a0f,
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0xeeda1a00, 0xeeda1a01, 0xeeda1a02, 0xeeda1a03, 0xeeda1a04,
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0xeeda1a05, 0xeeda1a06, 0xeeda1a07, 0xeeda1a08, 0xeeda1a09,
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0xeeda1a0A
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};
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volatile
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CYG_ADDRESS hal_interrupt_objects[CYGNUM_HAL_VSR_COUNT] = {
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0, 0, 0, 0,
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0, 0, 0, 0,
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0, 0, 0, 0,
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0, 0, 0, 0,
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0, 0, 0, 0, 0,
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0, 0, 0, 0, 0,
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0,
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};
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// EOF hal_intr.c
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