mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/*-
|
|
* 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.
|
|
*
|
|
* $Id: bwx.h,v 1.1 1998/07/05 12:14:15 dfr Exp $
|
|
*/
|
|
|
|
#ifndef _MACHINE_BWX_H_
|
|
#define _MACHINE_BWX_H_
|
|
|
|
/*
|
|
* Byte/word accesses must be made with particular values for addr<37,38>
|
|
*/
|
|
#define BWX_EV56_INT8 (0L << 37)
|
|
#define BWX_EV56_INT4 (1L << 37)
|
|
#define BWX_EV56_INT2 (2L << 37)
|
|
#define BWX_EV56_INT1 (3L << 37)
|
|
|
|
static __inline u_int8_t
|
|
ldbu(vm_offset_t va)
|
|
{
|
|
u_int64_t r;
|
|
__asm__ __volatile__ ("ldbu %0,%1" : "=r"(r) : "m"(*(u_int8_t*)va));
|
|
return r;
|
|
}
|
|
|
|
static __inline u_int16_t
|
|
ldwu(vm_offset_t va)
|
|
{
|
|
u_int64_t r;
|
|
__asm__ __volatile__ ("ldwu %0,%1" : "=r"(r) : "m"(*(u_int16_t*)va));
|
|
return r;
|
|
}
|
|
|
|
static __inline u_int32_t
|
|
ldl(vm_offset_t va)
|
|
{
|
|
return *(u_int32_t*) va;
|
|
}
|
|
|
|
static __inline void
|
|
stb(vm_offset_t va, u_int64_t r)
|
|
{
|
|
__asm__ __volatile__ ("stb %1,%0" : "=m"(*(u_int8_t*)va) : "r"(r));
|
|
__asm__ __volatile__ ("mb");
|
|
}
|
|
|
|
static __inline void
|
|
stw(vm_offset_t va, u_int64_t r)
|
|
{
|
|
__asm__ __volatile__ ("stw %1,%0" : "=m"(*(u_int16_t*)va) : "r"(r));
|
|
__asm__ __volatile__ ("mb");
|
|
}
|
|
|
|
|
|
static __inline void
|
|
stl(vm_offset_t va, u_int64_t r)
|
|
{
|
|
__asm__ __volatile__ ("stl %1,%0" : "=m"(*(u_int32_t*)va) : "r"(r));
|
|
__asm__ __volatile__ ("mb");
|
|
}
|
|
|
|
#endif /* !_MACHINE_BWX_H_ */
|