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/*-
* Copyright (c) 2006 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 ``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 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("$FreeBSD$");
#include <stand.h>
#include <ia64/include/vmparam.h>
#include "libia64.h"
static void *
va2pa(vm_offset_t va, size_t *len)
{
uint64_t pa;
if (va >= IA64_RR_BASE(7)) {
pa = IA64_RR_MASK(va);
return ((void *)pa);
}
printf("\n%s: va=%lx, *len=%lx\n", __func__, va, *len);
*len = 0;
return (NULL);
}
ssize_t
ia64_copyin(const void *src, vm_offset_t va, size_t len)
{
void *pa;
ssize_t res;
size_t sz;
res = 0;
while (len > 0) {
sz = len;
pa = va2pa(va, &sz);
if (sz == 0)
break;
bcopy(src, pa, sz);
len -= sz;
res += sz;
va += sz;
}
return (res);
}
ssize_t
ia64_copyout(vm_offset_t va, void *dst, size_t len)
{
void *pa;
ssize_t res;
size_t sz;
res = 0;
while (len > 0) {
sz = len;
pa = va2pa(va, &sz);
if (sz == 0)
break;
bcopy(pa, dst, sz);
len -= sz;
res += sz;
va += sz;
}
return (res);
}
ssize_t
ia64_readin(int fd, vm_offset_t va, size_t len)
{
void *pa;
ssize_t res, s;
size_t sz;
res = 0;
while (len > 0) {
sz = len;
pa = va2pa(va, &sz);
if (sz == 0)
break;
s = read(fd, pa, sz);
if (s <= 0)
break;
len -= s;
res += s;
va += s;
}
return (res);
}
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