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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [v85x/] [ceb_v850/] [v2_0/] [src/] [v850flash.S] - Rev 174
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/*=============================================================================
//
// v850flash.S
//
// CEB v850 flash boot code
//
//=============================================================================
//####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): jlarmour
// Contributors:
// Date: 2001-03-21
// Purpose: Loader image to program into V850 internal flash to allow
// programming of eCos ROM startup applications into the EPROM.
// Description: Compile with:
// v850-elf-gcc -o v850flash.img v850flash.S -Ttext=0 -nostartfiles
//
//####DESCRIPTIONEND####
//
//===========================================================================*/
.text
.org 0
.globl _start // dummy _start to keep linker happy
_start:
mov 7,r1
st.b r1,0xFFFFF04C[r0]
mov 1,r1
st.b r1,0xFFFFF064[r0]
jr 0x0FFFF4 // jump to 0x100000
jr 0x0FFFF2 // jump to 0x100002
.org 0x20
.rept 0x3E
jr 0xFFFC0000 // jump to symmetric location in RAM
nop
nop
nop
nop
nop
nop
.endr
// EOF v850flash.S