/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <mdb/mdb_debug.h>
#include <mdb/mdb_err.h>
#include <mdb/mdb_io.h>
#define UMEM_STANDALONE
#include <umem_impl.h>
/*
* The standalone umem requires that kmdb provide some error-handling
* services. These are them.
*/
/*ARGSUSED*/
int
__umem_assert_failed(const char *assertion, const char *file, int line)
{
#ifdef DEBUG
(void) mdb_dassert(assertion, file, line);
/*NOTREACHED*/
#endif
return (0);
}
void
umem_panic(const char *format, ...)
{
va_list alist;
va_start(alist, format);
vfail(format, alist);
va_end(alist);
}
void
umem_err_recoverable(const char *format, ...)
{
va_list alist;
va_start(alist, format);
vwarn(format, alist);
va_end(alist);
}
int
umem_vsnprintf(char *s, size_t n, const char *format, va_list ap)
{
return (mdb_iob_vsnprintf(s, n, format, ap));
}
int
umem_snprintf(char *s, size_t n, const char *format, ...)
{
va_list ap;
int rc;
va_start(ap, format);
rc = umem_vsnprintf(s, n, format, ap);
va_end(ap);
return (rc);
}
/* These aren't atomic, but we're not MT, so it doesn't matter */
uint32_t
umem_atomic_add_32_nv(uint32_t *target, int32_t delta)
{
return (*target = *target + delta);
}
void
umem_atomic_add_64(uint64_t *target, int64_t delta)
{
*target = *target + delta;
}
uint64_t
umem_atomic_swap_64(volatile uint64_t *t, uint64_t v)
{
uint64_t old = *t;
*t = v;
return (old);
}
/*
* Standalone umem must be manually initialized
*/
void
mdb_umem_startup(caddr_t base, size_t len, size_t pgsize)
{
umem_startup(base, len, pgsize, base, base + len);
}
/*
* The kernel will tell us when there's more memory available for us to use.
* This is most common on amd64, which boots with only 4G of VA available, and
* later expands to the full 64-bit address space.
*/
int
mdb_umem_add(caddr_t base, size_t len)
{
return (umem_add(base, len));
}