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/*-
* Copyright (c) 1998 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_CPUFUNC_H_
#define _MACHINE_CPUFUNC_H_
#ifdef _KERNEL
#include <sys/types.h>
#ifdef __GNUC__
static __inline void
breakpoint(void)
{
__asm __volatile("break 0x80100"); /* XXX use linux value */
}
#endif
static __inline u_int8_t
inb(u_int port)
{
return 0; /* TODO: implement this */
}
static __inline u_int16_t
inw(u_int port)
{
return 0; /* TODO: implement this */
}
static __inline u_int32_t
inl(u_int port)
{
return 0; /* TODO: implement this */
}
static __inline void
insb(u_int port, void *addr, size_t count)
{
u_int8_t *p = addr;
while (count--)
*p++ = inb(port);
}
static __inline void
insw(u_int port, void *addr, size_t count)
{
u_int16_t *p = addr;
while (count--)
*p++ = inw(port);
}
static __inline void
insl(u_int port, void *addr, size_t count)
{
u_int32_t *p = addr;
while (count--)
*p++ = inl(port);
}
static __inline void
outb(u_int port, u_int8_t data)
{
return; /* TODO: implement this */
}
static __inline void
outw(u_int port, u_int16_t data)
{
return; /* TODO: implement this */
}
static __inline void
outl(u_int port, u_int32_t data)
{
return; /* TODO: implement this */
}
static __inline void
outsb(u_int port, const void *addr, size_t count)
{
const u_int8_t *p = addr;
while (count--)
outb(port, *p++);
}
static __inline void
outsw(u_int port, const void *addr, size_t count)
{
const u_int16_t *p = addr;
while (count--)
outw(port, *p++);
}
static __inline void
outsl(u_int port, const void *addr, size_t count)
{
const u_int32_t *p = addr;
while (count--)
outl(port, *p++);
}
static __inline u_int8_t
readb(u_int addr)
{
return 0; /* TODO: implement this */
}
static __inline u_int16_t
readw(u_int addr)
{
return 0; /* TODO: implement this */
}
static __inline u_int32_t
readl(u_int addr)
{
return 0; /* TODO: implement this */
}
static __inline void
writeb(u_int addr, u_int8_t data)
{
return; /* TODO: implement this */
}
static __inline void
writew(u_int addr, u_int16_t data)
{
return; /* TODO: implement this */
}
static __inline void
writel(u_int addr, u_int32_t data)
{
return; /* TODO: implement this */
}
static __inline void
disable_intr(void)
{
__asm __volatile ("rsm psr.i;;");
}
static __inline void
enable_intr(void)
{
__asm __volatile (";; ssm psr.i;; srlz.d");
}
static __inline critical_t
critical_enter(void)
{
critical_t psr;
__asm __volatile ("mov %0=psr;;" : "=r" (psr));
disable_intr();
return (psr);
}
static __inline void
critical_exit(critical_t psr)
{
__asm __volatile ("mov psr.l=%0;; srlz.d" :: "r" (psr));
}
#endif /* _KERNEL */
#endif /* !_MACHINE_CPUFUNC_H_ */
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