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fb871eec23
Original commit message from CVS: Updates to cothreads code, including non-working alpha. Changed things a bit, including PPC. Not having a PPC machine, I need someone to test these changes and report back whether they worked or not.
50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstppc.h: Header for PPC-specific architecture issues
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef GST_HGUARD_GSTALPHA_H
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#define GST_HGUARD_GSTALPHA_H
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#warning in gstalpha.h
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#define GET_SP(target) \
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__asm__("stq $30,%0" : "=m"(target) : : "30");
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#define SET_SP(stackpointer) \
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__asm__("bis $31,%0,$30" : : "r"(stackpointer));
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#define CALL(target) \
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__asm__( "bis $31,%0,$27\n\t" \
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"jsr $26,($27),0" : : "r"(target) );
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struct minimal_ppc_stackframe {
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unsigned long back_chain;
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unsigned long LR_save;
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unsigned long unused1;
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unsigned long unused2;
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};
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#define SETUP_STACK(sp) \
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sp = ((unsigned long *)(sp)) - 4; \
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((struct minimal_ppc_stackframe *)sp)->back_chain = 0;
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#endif /* GST_HGUARD_GSTALPHA_H */
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