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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [mips/] [jmr3904/] [v2_0/] [include/] [platform.inc] - Blame information for rev 174

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#ifndef CYGONCE_HAL_PLATFORM_INC
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#define CYGONCE_HAL_PLATFORM_INC
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##=============================================================================
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##
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##      platform.inc
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##
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##      JMR-TX3904 board assembler header file
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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 Red Hat, 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 version.
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##
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## eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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## 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 along
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## with eCos; if not, write to the Free Software Foundation, Inc.,
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## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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##
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## As a special exception, if other files instantiate templates or use macros
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## or inline functions from this file, or you compile this file and link it
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## with other works to produce a work based on this file, this file does not
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## by itself cause the resulting work to be covered by the GNU General Public
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## License. However the source code for this file must still be made available
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## in accordance with section (3) of the GNU General Public License.
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##
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## This exception does not invalidate any other reasons why a work based on
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## this file might be covered by the GNU General Public License.
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##
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## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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## at http://sources.redhat.com/ecos/ecos-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:        1999-04-06
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## Purpose:     JMR-TX3904 board definitions.
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## Description: This file contains various definitions and macros that are
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##              useful for writing assembly code for the JMR-TX3904 board.
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## Usage:
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##              #include 
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##              ...
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##
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##
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######DESCRIPTIONEND####
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##
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##=============================================================================
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#include 
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#------------------------------------------------------------------------------
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# Monitor initialization.
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#ifndef CYGPKG_HAL_MIPS_MON_DEFINED
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#if     defined(CYG_HAL_STARTUP_ROM) ||                 \
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        (       defined(CYG_HAL_STARTUP_RAM) &&         \
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                !defined(CYGSEM_HAL_USE_ROM_MONITOR))
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        # If we are starting up from ROM, or we are starting in
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        # RAM and NOT using a ROM monitor, initialize the VSR table.
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        .macro  hal_mon_init
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        la      a0,__default_interrupt_vsr
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        la      a1,__default_exception_vsr
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        la      a3,hal_vsr_table
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        sw      a0,0(a3)
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        sw      a1,1*4(a3)
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        sw      a1,2*4(a3)
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        sw      a1,3*4(a3)
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        sw      a1,4*4(a3)
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        sw      a1,5*4(a3)
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        sw      a1,6*4(a3)
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        sw      a1,7*4(a3)
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        sw      a1,8*4(a3)
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        sw      a1,9*4(a3)
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        sw      a1,10*4(a3)
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        sw      a1,11*4(a3)
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        sw      a1,12*4(a3)
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        sw      a1,13*4(a3)
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        sw      a1,14*4(a3)
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        sw      a1,15*4(a3)
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        sw      a1,32*4(a3)
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        sw      a1,33*4(a3)
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        .endm
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#elif defined(CYG_HAL_STARTUP_RAM) && defined(CYGSEM_HAL_USE_ROM_MONITOR)
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        # Initialize the VSR table entries
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        # We only take control of the interrupt vector,
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        # the rest are left to the ROM for now...
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        .macro  hal_mon_init
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        la      a0,__default_interrupt_vsr
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        la      a3,hal_vsr_table
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        sw      a0,0(a3)
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        .endm
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#else
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        .macro  hal_mon_init
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        .endm
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#endif
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#define CYGPKG_HAL_MIPS_MON_DEFINED
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#endif
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#------------------------------------------------------------------------------
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# Decide whether the VSR table is defined externally, or is to be defined
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# here.
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#if defined(CYGPKG_HAL_MIPS_SIM) ||        \
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    ( defined(CYGPKG_HAL_MIPS_TX3904) &&   \
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      defined(CYG_HAL_STARTUP_RAM) &&      \
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      !defined(CYGSEM_HAL_USE_ROM_MONITOR) \
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    )
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## VSR table defined in linker script
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#else
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#define CYG_HAL_MIPS_VSR_TABLE_DEFINED
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#endif
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#------------------------------------------------------------------------------
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#endif // ifndef CYGONCE_HAL_PLATFORM_INC
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# end of platform.inc

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