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#ifndef CYGONCE_HAL_HAL_ARCH_H
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#define CYGONCE_HAL_HAL_ARCH_H
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//=============================================================================
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//
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// hal_arch.h
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//
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// Architecture specific abstractions for synthetic target.
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//
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//=============================================================================
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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 Free Software Foundation, 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
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY 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
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): proven
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// Contributors:proven, pjo, nickg,bartv
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// Date: 1998-10-05
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// Purpose: Define architecture abstractions
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// Usage: #include <cyg/hal/hal_arch.h>
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//
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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// ----------------------------------------------------------------------------
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// Architectural definitions such as processor save state information.
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// For the synthetic target most of this information has to be
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// provided by the variant HALs.
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#include <cyg/hal/var_arch.h>
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//-----------------------------------------------------------------------------
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// Exception handling function.
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// This function is provided by either the kernel or the common HAL to
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// deliver an exception to the current thread.
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// NOTE: the declaration should move to a common package.
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externC void cyg_hal_deliver_exception( CYG_WORD code, CYG_ADDRWORD data );
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//-----------------------------------------------------------------------------
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// Execution reorder barrier.
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// When optimizing the compiler can reorder code. In multithreaded systems
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// where the order of actions is vital, this can sometimes cause problems.
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// This macro may be inserted into places where reordering should not happen.
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#define HAL_REORDER_BARRIER() asm volatile ( "" : : : "memory" )
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//-----------------------------------------------------------------------------
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// Idle thread code.
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// This macro is called in the idle thread loop, and gives the HAL the
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// chance to insert code. In the synthetic target it involves blocking
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// until there is a signal.
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externC void hal_idle_thread_action(cyg_uint32 loop_count);
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#define HAL_IDLE_THREAD_ACTION(_count_) hal_idle_thread_action(_count_)
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//--------------------------------------------------------------------------
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#endif // CYGONCE_HAL_HAL_ARCH_H
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// End of hal_arch.h
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