71a30c4436
Submitted by: Carl Delsey <carl.r.delsey@intel.com> Discussed with: jhb, rwatson Reviewed by: jimharris MFC after: 1 week
154 lines
4.0 KiB
C
154 lines
4.0 KiB
C
/*-
|
|
* Copyright (c) 2012 Intel Corporation
|
|
* Copyright (c) 2009 Marcel Moolenaar
|
|
* 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_BUS_H_
|
|
#define _MACHINE_BUS_H_
|
|
|
|
#include <sys/systm.h>
|
|
#include <x86/bus.h>
|
|
|
|
#define KASSERT_BUS_SPACE_MEM_ONLY(tag) \
|
|
KASSERT((tag) == X86_BUS_SPACE_MEM, \
|
|
("%s: can only handle mem space", __func__))
|
|
|
|
static __inline uint64_t
|
|
bus_space_read_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t ofs)
|
|
{
|
|
|
|
KASSERT_BUS_SPACE_MEM_ONLY(tag);
|
|
|
|
return (*(volatile uint64_t *)(bsh + ofs));
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t ofs, uint64_t val)
|
|
{
|
|
|
|
KASSERT_BUS_SPACE_MEM_ONLY(tag);
|
|
|
|
*(volatile uint64_t *)(bsh + ofs) = val;
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_read_region_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t ofs, uint64_t *bufp, size_t count)
|
|
{
|
|
volatile uint64_t *bsp;
|
|
|
|
KASSERT_BUS_SPACE_MEM_ONLY(tag);
|
|
|
|
bsp = (void *)(bsh + ofs);
|
|
while (count-- > 0)
|
|
*bufp++ = *bsp++;
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_region_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t ofs, uint64_t const *bufp, size_t count)
|
|
{
|
|
volatile uint64_t *bsp;
|
|
|
|
KASSERT_BUS_SPACE_MEM_ONLY(tag);
|
|
|
|
bsp = (void *)(bsh + ofs);
|
|
while (count-- > 0)
|
|
*bsp++ = *bufp++;
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_region_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t ofs, uint64_t val, size_t count)
|
|
{
|
|
volatile uint64_t *bsp;
|
|
|
|
KASSERT_BUS_SPACE_MEM_ONLY(tag);
|
|
|
|
bsp = (void *)(bsh + ofs);
|
|
while (count-- > 0)
|
|
*bsp++ = val;
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_copy_region_8(bus_space_tag_t tag, bus_space_handle_t sbsh,
|
|
bus_size_t sofs, bus_space_handle_t dbsh, bus_size_t dofs, size_t count)
|
|
{
|
|
volatile uint64_t *dst, *src;
|
|
|
|
KASSERT_BUS_SPACE_MEM_ONLY(tag);
|
|
|
|
src = (void *)(sbsh + sofs);
|
|
dst = (void *)(dbsh + dofs);
|
|
if (src < dst) {
|
|
src += count - 1;
|
|
dst += count - 1;
|
|
while (count-- > 0)
|
|
*dst-- = *src--;
|
|
} else {
|
|
while (count-- > 0)
|
|
*dst++ = *src++;
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_read_multi_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t ofs, uint64_t *bufp, size_t count)
|
|
{
|
|
|
|
KASSERT_BUS_SPACE_MEM_ONLY(tag);
|
|
|
|
while (count-- > 0)
|
|
*bufp++ = *(volatile uint64_t *)(bsh + ofs);
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_write_multi_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t ofs, uint64_t const *bufp, size_t count)
|
|
{
|
|
|
|
KASSERT_BUS_SPACE_MEM_ONLY(tag);
|
|
|
|
while (count-- > 0)
|
|
*(volatile uint64_t *)(bsh + ofs) = *bufp++;
|
|
}
|
|
|
|
static __inline void
|
|
bus_space_set_multi_8(bus_space_tag_t tag, bus_space_handle_t bsh,
|
|
bus_size_t ofs, uint64_t val, size_t count)
|
|
{
|
|
|
|
KASSERT_BUS_SPACE_MEM_ONLY(tag);
|
|
|
|
while (count-- > 0)
|
|
*(volatile uint64_t *)(bsh + ofs) = val;
|
|
}
|
|
|
|
#endif /*_MACHINE_BUS_H_*/
|