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/* $Id: hook.hh,v 1.1 2008-04-09 19:48:37 sybreon Exp $
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/* $Id: hook.hh,v 1.2 2008-04-11 15:20:31 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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These routines hook themselves onto the startup and ending parts of
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These routines hook themselves onto the startup and ending parts of
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the main programme. In order to use it, the main programme needs to
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the main programme. In order to use it, the main programme needs to
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be compiled with optimisations turned on (at least -O1).
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be compiled with optimisations turned on (at least -O1).
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*/
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*/
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#include "aemb/msr.hh"
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#include "aemb/stack.hh"
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#include "aemb/stack.hh"
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#include "aemb/heap.hh"
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#include "aemb/heap.hh"
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#include "aemb/thread.hh"
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#include "aemb/thread.hh"
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#ifndef __OPTIMIZE__
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// ugly hack to check if optimisation is used.
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OPTIMISATION_REQUIRED XXX
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#endif
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#ifndef AEMB_HOOK_HH
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#ifndef AEMB_HOOK_HH
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#define AEMB_HOOK_HH
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#define AEMB_HOOK_HH
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namespace aemb {
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namespace aemb {
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void hookProgramInit() asm ("_program_init"); // hook aliasing
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//void hookProgramInit() asm ("_program_init"); // hook aliasing
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void hookProgramClean() asm ("_program_clean"); // hook aliasing
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//void hookProgramClean() asm ("_program_clean"); // hook aliasing
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extern "C" void _program_init();
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extern "C" void _program_clean();
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/**
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/**
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Finalisation hook
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Finalisation hook
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This function executes during the shutdown phase after the
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This function executes during the shutdown phase after the
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finalisation routine is called. It will merge the changes made
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finalisation routine is called. It will merge the changes made
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during initialisation.
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during initialisation.
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*/
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*/
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void hookProgramClean()
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//void hookProgramClean()
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void _program_clean()
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{
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{
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if (aemb::isThread1()) {
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if (aemb::isThread1()) {
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// unify the stack backwards
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// unify the stack backwards
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aemb::setStack(aemb::getStack() +
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aemb::setStack(aemb::getStack() +
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(aemb::getStackSize() >> 1));
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(aemb::getStackSize() >> 1));
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This function executes during the startup phase before the
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This function executes during the startup phase before the
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initialisation routine is called. It splits the heap and stack
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initialisation routine is called. It splits the heap and stack
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between the threads.
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between the threads.
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*/
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*/
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void hookProgramInit()
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//void hookProgramInit()
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void _program_init()
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{
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{
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if (aemb::isThread1()) { // check if PHASE 1
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if (aemb::isThread1()) { // check if PHASE 1
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// split and shift the stack
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// split and shift the stack
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aemb::setStack(aemb::getStack() -
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aemb::setStack(aemb::getStack() -
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(aemb::getStackSize() >> 1));
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(aemb::getStackSize() >> 1));
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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 1.1 2008/04/09 19:48:37 sybreon
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Added new C++ files
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*/
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*/
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