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b2bc0096dc
git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15079 87f5fb63-7c3d-0410-a384-fd976d0f7a62
121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
/*
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* $Id: amiga_beginio.c,v 1.4 2006-01-08 12:04:22 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2006 by Olaf Barthel <olsen (at) sourcery.han.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <exec/devices.h>
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#include <exec/io.h>
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#include <clib/alib_protos.h>
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/****************************************************************************/
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#include "debug.h"
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/****************************************************************************/
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#ifndef __PPC__
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/****************************************************************************/
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#if defined(__SASC)
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VOID __begin_io(struct IORequest * ior);
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#pragma libcall DeviceBase __begin_io 01e 901
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#endif /* __SASC */
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/****************************************************************************/
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#if defined(__GNUC__)
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#define __begin_io(ior) ({ \
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struct IORequest * _BeginIO_ior = (ior); \
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{ \
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register struct Library * const __BeginIO__bn __asm("a6") = (struct Library *) (DeviceBase);\
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register struct IORequest * __BeginIO_ior __asm("a1") = (_BeginIO_ior); \
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__asm volatile ("jsr a6@(-30:W)" \
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: \
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: "r"(__BeginIO__bn), "r"(__BeginIO_ior) \
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: "d0", "d1", "a0", "a1", "fp0", "fp1", "cc", "memory"); \
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} \
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})
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#endif /* __GNUC__ */
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/****************************************************************************/
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VOID
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BeginIO(struct IORequest *ior)
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{
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struct Device * DeviceBase;
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ENTER();
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assert( ior != NULL && ior->io_Device != NULL );
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DeviceBase = ior->io_Device;
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__begin_io(ior);
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LEAVE();
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}
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/****************************************************************************/
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#else
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/****************************************************************************/
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#include <proto/exec.h>
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/****************************************************************************/
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#if defined(BeginIO)
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#undef BeginIO
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#endif /* BeginIO */
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/****************************************************************************/
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VOID
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BeginIO(struct IORequest *ior)
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{
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ENTER();
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assert( ior != NULL && ior->io_Device != NULL );
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IExec->BeginIO(ior);
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LEAVE();
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}
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/****************************************************************************/
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#endif /* __PPC__ */
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