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https://github.com/freebsd/freebsd-src.git
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664a31e496
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
/*-
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* Copyright (c) 1998 Doug Rabson
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* All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY 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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* $FreeBSD$
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*/
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#ifndef _MACHINE_CPUFUNC_H_
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#define _MACHINE_CPUFUNC_H_
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#ifdef _KERNEL
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#include <sys/types.h>
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#include <machine/chipset.h>
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#ifdef __GNUC__
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static __inline void
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breakpoint(void)
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{
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__asm __volatile("call_pal 0x81"); /* XXX bugchk */
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}
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#endif
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#define inb(port) chipset.inb(port)
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#define inw(port) chipset.inw(port)
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#define inl(port) chipset.inl(port)
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#define outb(port, data) chipset.outb(port, data)
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#define outw(port, data) chipset.outw(port, data)
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#define outl(port, data) chipset.outl(port, data)
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#define readb(pa) chipset.readb(pa)
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#define readw(pa) chipset.readw(pa)
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#define readl(pa) chipset.readl(pa)
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#define writeb(pa,v) chipset.writeb(pa,v)
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#define writew(pa,v) chipset.writew(pa,v)
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#define writel(pa,v) chipset.writel(pa,v)
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/*
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* Bulk i/o (for IDE driver).
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*/
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static __inline void insw(u_int32_t port, void *buffer, size_t count)
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{
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u_int16_t *p = (u_int16_t *) buffer;
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while (count--)
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*p++ = inw(port);
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}
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static __inline void insl(u_int32_t port, void *buffer, size_t count)
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{
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u_int32_t *p = (u_int32_t *) buffer;
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while (count--)
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*p++ = inl(port);
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}
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static __inline void outsw(u_int32_t port, const void *buffer, size_t count)
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{
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const u_int16_t *p = (const u_int16_t *) buffer;
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while (count--)
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outw(port, *p++);
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}
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static __inline void outsl(u_int32_t port, const void *buffer, size_t count)
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{
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const u_int32_t *p = (const u_int32_t *) buffer;
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while (count--)
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outl(port, *p++);
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}
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/*
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* String version of IO memory access ops:
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*/
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extern void memcpy_fromio(void *, u_int32_t, size_t);
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extern void memcpy_toio(u_int32_t, void *, size_t);
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extern void memcpy_io(u_int32_t, u_int32_t, size_t);
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extern void memset_io(u_int32_t, int, size_t);
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extern void memsetw(void *, int, size_t);
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extern void memsetw_io(u_int32_t, int, size_t);
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#endif /* _KERNEL */
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#endif /* !_MACHINE_CPUFUNC_H_ */
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