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#ifndef CYGONCE_HAL_PROC_ARCH_H
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#define CYGONCE_HAL_PROC_ARCH_H
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//=============================================================================
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//
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// proc_arch.h
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//
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// Processor variant specific abstractions
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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) 2003, 2006, 2008 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): bartv
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// Date: 2003-06-04
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//
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//####DESCRIPTIONEND####
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//=============================================================================
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#include <pkgconf/hal_m68k_mcf5272.h>
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#include <cyg/hal/plf_arch.h>
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#include <cyg/infra/cyg_type.h>
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// A processor-specific initialization routine is needed
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#if !defined(__ASSEMBLER__) && !defined(HAL_M68K_PROC_INIT)
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externC void hal_m68k_mcf5272_init(void);
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#define HAL_M68K_PROC_INIT() hal_m68k_mcf5272_init()
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#endif
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// The MCF5272 does not support the bitrev or ff1 instructions so the
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// architectural default versions of HAL_LSBIT_INDEX() and
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// HAL_MSBIT_INDEX() have to be used instead of the mcfxxxx ones.
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#define _HAL_M68K_MCFxxxx_NO_FF1_ 1
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// Idle action support.
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#if !defined(HAL_IDLE_THREAD_ACTION)
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# if defined(CYGIMP_HAL_M68K_MCF5272_IDLE_run)
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// Do nothing, just use the architectural empty default
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# else
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# define HAL_IDLE_THREAD_ACTION(_count_) \
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CYG_MACRO_START \
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asm volatile ( \
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"mov.w %%sr, %%d0 ; \n" \
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"mov.w %%d0, 0(%[alpr]); \n" \
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"stop #0x2000 ; \n" \
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"mov.w %%d0, %%sr ; \n" \
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: \
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: [alpr] "a" (HAL_MCFxxxx_MBAR + HAL_MCF5272_ALPR) \
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: "d0" ); \
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CYG_MACRO_END
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# endif
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#endif
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// ----------------------------------------------------------------------------
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#endif // CYGONCE_HAL_PROC_ARCH_H
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