xref: /freebsd-10.1-release/sys/mips/mips/octeon_cop2.c

/*-
 * Copyright (c) 2011, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
 * 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 unmodified, 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("$FreeBSD$");

#include <sys/types.h>
#include <sys/systm.h>
#include <sys/param.h>
#include <sys/kernel.h>
#include <vm/uma.h>

#include <machine/octeon_cop2.h>

static uma_zone_t ctxzone;

static void
octeon_cop2_init(void* dummy)
{
	printf("Create COP2 context zone\n");
	ctxzone = uma_zcreate("COP2 context",
	                        sizeof(struct octeon_cop2_state),
				NULL, NULL, NULL, NULL, 8, 0);
}

struct octeon_cop2_state *
octeon_cop2_alloc_ctx()
{
	return uma_zalloc(ctxzone, M_NOWAIT);
}

void
octeon_cop2_free_ctx(struct octeon_cop2_state *ctx)
{
	uma_zfree(ctxzone, ctx);
}

SYSINIT(octeon_cop2, SI_SUB_CPU, SI_ORDER_FIRST, octeon_cop2_init, NULL);