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/* $Id: hook.hh,v 1.7 2008-04-26 19:31:35 sybreon Exp $
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/* $Id: hook.hh,v 1.8 2008-04-27 16:04:42 sybreon Exp $
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**
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**
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** AEMB2 HI-PERFORMANCE CPU
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** AEMB2 HI-PERFORMANCE CPU
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** Copyright (C) 2004-2007 Shawn Tan Ser Ngiap
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** Copyright (C) 2004-2007 Shawn Tan Ser Ngiap
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**
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**
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** This file is part of AEMB.
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** This file is part of AEMB.
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// split and shift the stack for thread 1
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// split and shift the stack for thread 1
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if (isThread0()) // main thread
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if (isThread0()) // main thread
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{
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{
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// NOTE: Dupe the stack otherwise it will FAIL!
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// NOTE: Dupe the stack otherwise it will FAIL!
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dupStack((int *)setStack(getStack() - (getStackSize() >> 1)),
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int oldstk = getStack();
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(int *)getStack(),
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int newstk = setStack(getStack() - (getStackSize() >> 1));
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(int *)getStackTop);
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dupStack((unsigned int *)newstk,
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(unsigned int *)oldstk,
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(unsigned int *)getStackTop());
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signalMutex(); // exit critical section
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signalMutex(); // exit critical section
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while (1) asm volatile ("nop"); // lock thread
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while (1) asm volatile ("nop"); // lock thread
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}
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}
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signalMutex(); // exit critical section
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signalMutex(); // exit critical section
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#ifndef __OPTIMIZE__
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#ifndef __OPTIMIZE__
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// The main programme needs to be compiled with optimisations turned
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// The main programme needs to be compiled with optimisations turned
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// on (at least -O1). If not, the MUTEX value will be written to the
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// on (at least -O1). If not, the MUTEX value will be written to the
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// same RAM location, giving both threads the same value.
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// same RAM location, giving both threads the same value.
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OPTIMISATION_REQUIRED XXX
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OPTIMISATION_REQUIRED OPTIMISATION_REQUIRED
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#endif
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#endif
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/*
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/*
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$Log: not supported by cvs2svn $
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$Log: not supported by cvs2svn $
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Revision 1.7 2008/04/26 19:31:35 sybreon
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Made headers C compatible.
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Revision 1.6 2008/04/26 18:04:31 sybreon
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Revision 1.6 2008/04/26 18:04:31 sybreon
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Updated software to freeze T0 and run T1.
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Updated software to freeze T0 and run T1.
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Revision 1.5 2008/04/23 14:19:39 sybreon
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Revision 1.5 2008/04/23 14:19:39 sybreon
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Fixed minor bugs.
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Fixed minor bugs.
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