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| Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/nge/@/ia64/ia64/bus_machdep.c |
/*-
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/ia64/ia64/bus_machdep.c 203883 2010-02-14 16:56:24Z marcel $");
#include <sys/types.h>
#include <machine/bus.h>
#include <vm/vm.h>
#include <vm/pmap.h>
extern u_long ia64_port_base;
#define __PIO_ADDR(port) \
(void *)(ia64_port_base | (((port) & 0xfffc) << 10) | ((port) & 0xFFF))
int
bus_space_map(bus_space_tag_t bst, bus_addr_t addr, bus_size_t size,
int flags __unused, bus_space_handle_t *bshp)
{
*bshp = (__predict_false(bst == IA64_BUS_SPACE_IO))
? addr : (uintptr_t)pmap_mapdev(addr, size);
return (0);
}
void
bus_space_unmap(bus_space_tag_t bst __unused, bus_space_handle_t bsh,
bus_size_t size)
{
pmap_unmapdev(bsh, size);
}
uint8_t
bus_space_read_io_1(u_long port)
{
uint8_t v;
ia64_mf();
v = ia64_ld1(__PIO_ADDR(port));
ia64_mf_a();
ia64_mf();
return (v);
}
uint16_t
bus_space_read_io_2(u_long port)
{
uint16_t v;
ia64_mf();
v = ia64_ld2(__PIO_ADDR(port));
ia64_mf_a();
ia64_mf();
return (v);
}
uint32_t
bus_space_read_io_4(u_long port)
{
uint32_t v;
ia64_mf();
v = ia64_ld4(__PIO_ADDR(port));
ia64_mf_a();
ia64_mf();
return (v);
}
#if 0
uint64_t
bus_space_read_io_8(u_long port)
{
}
#endif
void
bus_space_write_io_1(u_long port, uint8_t val)
{
ia64_mf();
ia64_st1(__PIO_ADDR(port), val);
ia64_mf_a();
ia64_mf();
}
void
bus_space_write_io_2(u_long port, uint16_t val)
{
ia64_mf();
ia64_st2(__PIO_ADDR(port), val);
ia64_mf_a();
ia64_mf();
}
void
bus_space_write_io_4(u_long port, uint32_t val)
{
ia64_mf();
ia64_st4(__PIO_ADDR(port), val);
ia64_mf_a();
ia64_mf();
}
#if 0
void
bus_space_write_io_8(u_long port, uint64_t val)
{
}
#endif
void
bus_space_read_multi_io_1(u_long port, uint8_t *ptr, size_t count)
{
while (count-- > 0)
*ptr++ = bus_space_read_io_1(port);
}
void
bus_space_read_multi_io_2(u_long port, uint16_t *ptr, size_t count)
{
while (count-- > 0)
*ptr++ = bus_space_read_io_2(port);
}
void
bus_space_read_multi_io_4(u_long port, uint32_t *ptr, size_t count)
{
while (count-- > 0)
*ptr++ = bus_space_read_io_4(port);
}
#if 0
void
bus_space_read_multi_io_8(u_long port, uint64_t *ptr, size_t count)
{
}
#endif
void
bus_space_write_multi_io_1(u_long port, const uint8_t *ptr, size_t count)
{
while (count-- > 0)
bus_space_write_io_1(port, *ptr++);
}
void
bus_space_write_multi_io_2(u_long port, const uint16_t *ptr, size_t count)
{
while (count-- > 0)
bus_space_write_io_2(port, *ptr++);
}
void
bus_space_write_multi_io_4(u_long port, const uint32_t *ptr, size_t count)
{
while (count-- > 0)
bus_space_write_io_4(port, *ptr++);
}
#if 0
void
bus_space_write_multi_io_8(u_long port, const uint64_t *ptr, size_t count)
{
}
#endif
void
bus_space_read_region_io_1(u_long port, uint8_t *ptr, size_t count)
{
while (count-- > 0) {
*ptr++ = bus_space_read_io_1(port);
port += 1;
}
}
void
bus_space_read_region_io_2(u_long port, uint16_t *ptr, size_t count)
{
while (count-- > 0) {
*ptr++ = bus_space_read_io_2(port);
port += 2;
}
}
void
bus_space_read_region_io_4(u_long port, uint32_t *ptr, size_t count)
{
while (count-- > 0) {
*ptr++ = bus_space_read_io_4(port);
port += 4;
}
}
#if 0
void bus_space_read_region_io_8(u_long, uint64_t *, size_t);
#endif
void
bus_space_write_region_io_1(u_long port, const uint8_t *ptr, size_t count)
{
while (count-- > 0) {
bus_space_write_io_1(port, *ptr++);
port += 1;
}
}
void
bus_space_write_region_io_2(u_long port, const uint16_t *ptr, size_t count)
{
while (count-- > 0) {
bus_space_write_io_2(port, *ptr++);
port += 2;
}
}
void
bus_space_write_region_io_4(u_long port, const uint32_t *ptr, size_t count)
{
while (count-- > 0) {
bus_space_write_io_4(port, *ptr++);
port += 4;
}
}
#if 0
void
bus_space_write_region_io_8(u_long port, const uint64_t *ptr, size_t count)
{
}
#endif
void
bus_space_set_region_io_1(u_long port, uint8_t val, size_t count)
{
while (count-- > 0) {
bus_space_write_io_1(port, val);
port += 1;
}
}
void
bus_space_set_region_io_2(u_long port, uint16_t val, size_t count)
{
while (count-- > 0) {
bus_space_write_io_2(port, val);
port += 2;
}
}
void
bus_space_set_region_io_4(u_long port, uint32_t val, size_t count)
{
while (count-- > 0) {
bus_space_write_io_4(port, val);
port += 4;
}
}
#if 0
void
bus_space_set_region_io_8(u_long port, uint64_t val, size_t count)
{
}
#endif
void
bus_space_copy_region_io_1(u_long src, u_long dst, size_t count)
{
long delta;
uint8_t val;
if (src < dst) {
src += count - 1;
dst += count - 1;
delta = -1;
} else
delta = 1;
while (count-- > 0) {
val = bus_space_read_io_1(src);
bus_space_write_io_1(dst, val);
src += delta;
dst += delta;
}
}
void
bus_space_copy_region_io_2(u_long src, u_long dst, size_t count)
{
long delta;
uint16_t val;
if (src < dst) {
src += 2 * (count - 1);
dst += 2 * (count - 1);
delta = -2;
} else
delta = 2;
while (count-- > 0) {
val = bus_space_read_io_2(src);
bus_space_write_io_2(dst, val);
src += delta;
dst += delta;
}
}
void
bus_space_copy_region_io_4(u_long src, u_long dst, size_t count)
{
long delta;
uint32_t val;
if (src < dst) {
src += 4 * (count - 1);
dst += 4 * (count - 1);
delta = -4;
} else
delta = 4;
while (count-- > 0) {
val = bus_space_read_io_4(src);
bus_space_write_io_4(dst, val);
src += delta;
dst += delta;
}
}
#if 0
void
bus_space_copy_region_io_8(u_long src, u_long dst, size_t count)
{
}
#endif