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#ifndef CYGONCE_PLF_IO_H
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#define CYGONCE_PLF_IO_H
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//=============================================================================
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//
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// plf_io.h
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//
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// Platform specific IO support
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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): msalter
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// Contributors: msalter
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// Date: 2001-02-12
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// Purpose: CalmRISC32 platform IO support
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// Description:
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// Usage: #include <cyg/hal/plf_io.h>
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//
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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#include <pkgconf/hal.h>
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#include <cyg/hal/hal_misc.h>
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// coprocessor regs
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#define HAL_COP_SR_RBR 0x1c
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#define HAL_COP_SR_TBR 0x1d
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#define HAL_COP_TBR 0x1e
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#define HAL_COP_RBR 0x1f
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#ifndef __ASSEMBLER__
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static inline void cyg_hal_plf_write_sr_rbr(int val)
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{
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asm volatile ("cld fr28,%0\n" : : "r"(val));
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}
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static inline void cyg_hal_plf_write_sr_tbr(int val)
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{
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asm volatile ("cld fr29,%0\n" : : "r"(val));
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}
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static inline void cyg_hal_plf_write_tbr(int val)
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{
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asm volatile ("cld fr30,%0\n" : : "r"(val));
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}
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static inline void cyg_hal_plf_write_rbr(int val)
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{
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asm volatile ("cld fr31,%0\n" : : "r"(val));
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}
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static inline int cyg_hal_plf_read_sr_rbr(void)
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{
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int val;
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asm volatile ("cld %0,fr28\n" : "=r"(val) : );
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return val;
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}
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static inline int cyg_hal_plf_read_sr_tbr(void)
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{
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int val;
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asm volatile ("cld %0,fr29\n" : "=r"(val) : );
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return val;
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}
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static inline int cyg_hal_plf_read_tbr(void)
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{
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int val;
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asm volatile ("cld %0,fr30\n" : "=r"(val) : );
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return val;
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}
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static inline int cyg_hal_plf_read_rbr(void)
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{
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int val;
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asm volatile ("cld %0,fr31\n" : "=r"(val) : );
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return val;
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}
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#endif
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//-----------------------------------------------------------------------------
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// end of plf_io.h
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#endif // CYGONCE_PLF_IO_H
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