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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [m68k/] [mcf52xx/] [var/] [v2_0/] [src/] [var_arch.S] - Blame information for rev 174

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1 27 unneback
##=============================================================================
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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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/*****************************************************************************
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var_arch.S -- mcf52xx variant code
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*****************************************************************************/
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#include 
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/*****************************************************************************
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FUNC_START -- Function declaration macro
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*****************************************************************************/
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#define FUNC_START(name)                        \
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        .text;                                  \
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        .even;                                  \
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        .globl name;                            \
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name:
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/* ************************************************************************ */
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/* These routines write to  the special purpose  registers in the  ColdFire */
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/* core.  Since these registers are write-only in the supervisor model,  no */
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/* corresponding read routines exist.                                       */
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FUNC_START(mcf52xx_wr_vbr)
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    move.l  4(%sp),%d0
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    andi.l  #0xFFF00000,%d0 /* align to 1M boundary  */
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    movec   %d0,%vbr
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    nop
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    rts
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FUNC_START(mcf52xx_wr_cacr)
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    move.l  4(%sp),%d0
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    movec   %d0,%cacr
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    nop
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    rts
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FUNC_START(mcf52xx_wr_acr0)
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    move.l  4(%sp),%d0
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    movec   %d0,%acr0
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    nop
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    rts
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FUNC_START(mcf52xx_wr_acr1)
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    move.l  4(%sp),%d0
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    movec   %d0,%acr1
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    nop
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    rts
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FUNC_START(mcf52xx_wr_rambar)
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    move.l  4(%sp),%d0
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    .equ    rambar,0xc04    /* Rc for movec */
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    movec   %d0,#rambar
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    nop
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    rts
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