257 lines
6.8 KiB
C
257 lines
6.8 KiB
C
/*
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* Copyright (c) 1997 Per Fogelstrom, Opsycon AB and RTMX Inc, USA.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed under OpenBSD by
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* Per Fogelstrom Opsycon AB for RTMX Inc, North Carolina, USA.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $NetBSD: pio.h,v 1.1 1998/05/15 10:15:54 tsubai Exp $
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* $OpenBSD: pio.h,v 1.1 1997/10/13 10:53:47 pefo Exp $
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* $FreeBSD$
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*/
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#ifndef _MACHINE_PIO_H_
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#define _MACHINE_PIO_H_
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/*
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* I/O macros.
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*/
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static __inline void
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__outb(volatile u_int8_t *a, u_int8_t v)
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{
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*a = v;
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__outw(volatile u_int16_t *a, u_int16_t v)
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{
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*a = v;
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__outl(volatile u_int32_t *a, u_int32_t v)
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{
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*a = v;
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__outwrb(volatile u_int16_t *a, u_int16_t v)
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{
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__asm__ volatile("sthbrx %0, 0, %1" :: "r"(v), "r"(a));
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__outlrb(volatile u_int32_t *a, u_int32_t v)
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{
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__asm__ volatile("stwbrx %0, 0, %1" :: "r"(v), "r"(a));
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__asm__ volatile("eieio; sync");
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}
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static __inline u_int8_t
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__inb(volatile u_int8_t *a)
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{
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u_int8_t _v_;
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_v_ = *a;
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__asm__ volatile("eieio; sync");
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return _v_;
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}
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static __inline u_int16_t
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__inw(volatile u_int16_t *a)
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{
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u_int16_t _v_;
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_v_ = *a;
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__asm__ volatile("eieio; sync");
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return _v_;
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}
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static __inline u_int32_t
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__inl(volatile u_int32_t *a)
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{
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u_int32_t _v_;
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_v_ = *a;
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__asm__ volatile("eieio; sync");
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return _v_;
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}
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static __inline u_int16_t
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__inwrb(volatile u_int16_t *a)
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{
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u_int16_t _v_;
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__asm__ volatile("lhbrx %0, 0, %1" : "=r"(_v_) : "r"(a));
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__asm__ volatile("eieio; sync");
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return _v_;
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}
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static __inline u_int32_t
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__inlrb(volatile u_int32_t *a)
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{
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u_int32_t _v_;
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__asm__ volatile("lwbrx %0, 0, %1" : "=r"(_v_) : "r"(a));
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__asm__ volatile("eieio; sync");
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return _v_;
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}
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#define outb(a,v) (__outb((volatile u_int8_t *)(a), v))
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#define out8(a,v) outb(a,v)
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#define outw(a,v) (__outw((volatile u_int16_t *)(a), v))
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#define out16(a,v) outw(a,v)
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#define outl(a,v) (__outl((volatile u_int32_t *)(a), v))
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#define out32(a,v) outl(a,v)
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#define inb(a) (__inb((volatile u_int8_t *)(a)))
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#define in8(a) inb(a)
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#define inw(a) (__inw((volatile u_int16_t *)(a)))
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#define in16(a) inw(a)
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#define inl(a) (__inl((volatile u_int32_t *)(a)))
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#define in32(a) inl(a)
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#define out8rb(a,v) outb(a,v)
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#define outwrb(a,v) (__outwrb((volatile u_int16_t *)(a), v))
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#define out16rb(a,v) outwrb(a,v)
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#define outlrb(a,v) (__outlrb((volatile u_int32_t *)(a), v))
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#define out32rb(a,v) outlrb(a,v)
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#define in8rb(a) inb(a)
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#define inwrb(a) (__inwrb((volatile u_int16_t *)(a)))
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#define in16rb(a) inwrb(a)
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#define inlrb(a) (__inlrb((volatile u_int32_t *)(a)))
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#define in32rb(a) inlrb(a)
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static __inline void
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__outsb(volatile u_int8_t *a, const u_int8_t *s, size_t c)
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{
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while (c--)
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*a = *s++;
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__outsw(volatile u_int16_t *a, const u_int16_t *s, size_t c)
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{
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while (c--)
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*a = *s++;
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__outsl(volatile u_int32_t *a, const u_int32_t *s, size_t c)
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{
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while (c--)
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*a = *s++;
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__outswrb(volatile u_int16_t *a, const u_int16_t *s, size_t c)
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{
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while (c--)
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__asm__ volatile("sthbrx %0, 0, %1" :: "r"(*s++), "r"(a));
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__outslrb(volatile u_int32_t *a, const u_int32_t *s, size_t c)
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{
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while (c--)
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__asm__ volatile("stwbrx %0, 0, %1" :: "r"(*s++), "r"(a));
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__insb(volatile u_int8_t *a, u_int8_t *d, size_t c)
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{
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while (c--)
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*d++ = *a;
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__insw(volatile u_int16_t *a, u_int16_t *d, size_t c)
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{
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while (c--)
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*d++ = *a;
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__insl(volatile u_int32_t *a, u_int32_t *d, size_t c)
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{
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while (c--)
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*d++ = *a;
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__inswrb(volatile u_int16_t *a, u_int16_t *d, size_t c)
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{
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while (c--)
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__asm__ volatile("lhbrx %0, 0, %1" : "=r"(*d++) : "r"(a));
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__asm__ volatile("eieio; sync");
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}
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static __inline void
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__inslrb(volatile u_int32_t *a, u_int32_t *d, size_t c)
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{
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while (c--)
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__asm__ volatile("lwbrx %0, 0, %1" : "=r"(*d++) : "r"(a));
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__asm__ volatile("eieio; sync");
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}
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#define outsb(a,s,c) (__outsb((volatile u_int8_t *)(a), s, c))
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#define outs8(a,s,c) outsb(a,s,c)
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#define outsw(a,s,c) (__outsw((volatile u_int16_t *)(a), s, c))
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#define outs16(a,s,c) outsw(a,s,c)
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#define outsl(a,s,c) (__outsl((volatile u_int32_t *)(a), s, c))
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#define outs32(a,s,c) outsl(a,s,c)
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#define insb(a,d,c) (__insb((volatile u_int8_t *)(a), d, c))
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#define ins8(a,d,c) insb(a,d,c)
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#define insw(a,d,c) (__insw((volatile u_int16_t *)(a), d, c))
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#define ins16(a,d,c) insw(a,d,c)
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#define insl(a,d,c) (__insl((volatile u_int32_t *)(a), d, c))
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#define ins32(a,d,c) insl(a,d,c)
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#define outs8rb(a,s,c) outsb(a,s,c)
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#define outswrb(a,s,c) (__outswrb((volatile u_int16_t *)(a), s, c))
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#define outs16rb(a,s,c) outswrb(a,s,c)
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#define outslrb(a,s,c) (__outslrb((volatile u_int32_t *)(a), s, c))
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#define outs32rb(a,s,c) outslrb(a,s,c)
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#define ins8rb(a,d,c) insb(a,d,c)
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#define inswrb(a,d,c) (__inswrb((volatile u_int16_t *)(a), d, c))
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#define ins16rb(a,d,c) inswrb(a,d,c)
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#define inslrb(a,d,c) (__inslrb((volatile u_int32_t *)(a), d, c))
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#define ins32rb(a,d,c) inslrb(a,d,c)
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#endif /*_MACHINE_PIO_H_*/
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