NetBSD/sys/compat/darwin/darwin_ioframebuffer.c

119 lines
4.3 KiB
C

/* $NetBSD: darwin_ioframebuffer.c,v 1.2 2003/02/20 22:39:43 manu Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Emmanuel Dreyfus.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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>
__KERNEL_RCSID(0, "$NetBSD: darwin_ioframebuffer.c,v 1.2 2003/02/20 22:39:43 manu Exp $");
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/signal.h>
#include <sys/mount.h>
#include <sys/proc.h>
#include <sys/device.h>
#include <compat/mach/mach_types.h>
#include <compat/mach/mach_message.h>
#include <compat/mach/mach_port.h>
#include <compat/mach/mach_errno.h>
#include <compat/mach/mach_iokit.h>
#include <compat/darwin/darwin_ioframebuffer.h>
#include <compat/darwin/darwin_iokit.h>
struct mach_iokit_devclass darwin_ioframebuffer_devclass = {
"<dict ID=\"0\"><key>IOProviderClass</key>"
"<string ID=\"1\">IOFramebuffer</string></dict>",
darwin_ioframebuffer_registry_entry_get_property,
NULL,
"IOFramebuffer",
};
struct mach_iokit_property darwin_ioframebuffer_properties[] = {
{ "IOFBDependentID", 0 },
{ "IOFBDependentIndex", 0},
{ "graphic-options", 0x28},
{ "IOFBConfig", 0x219f},
{ "IOFBMemorySize", 0x2e},
{ NULL, 0}
};
int
darwin_ioframebuffer_registry_entry_get_property(args)
struct mach_trap_args *args;
{
mach_io_registry_entry_get_property_request_t *req = args->smsg;
mach_io_registry_entry_get_property_reply_t *rep = args->rmsg;
size_t *msglen = args->rsize;
struct lwp *l = args->l;
struct mach_port *mp;
struct mach_right *mr;
struct mach_iokit_property *mip;
size_t len;
#ifdef DEBUG_DARWIN
printf("darwin_ioframebuffer_registry_entry_get_property()\n");
#endif
len = strlen(mip->mip_name);
for (mip = darwin_ioframebuffer_properties; mip->mip_name; mip++) {
if (memcmp(mip->mip_name, req->req_propery_name, len) == 0)
break;
}
if (mip->mip_value == 0)
return mach_iokit_error(args, MACH_IOKIT_ENOENT);
mp = mach_port_get();
mp->mp_flags |= MACH_MP_INKERNEL;
mr = mach_right_get(mp, l, MACH_PORT_TYPE_SEND, 0);
rep->rep_msgh.msgh_bits =
MACH_MSGH_REPLY_LOCAL_BITS(MACH_MSG_TYPE_MOVE_SEND_ONCE);
rep->rep_msgh.msgh_size = sizeof(*rep) - sizeof(rep->rep_trailer);
rep->rep_msgh.msgh_local_port = req->req_msgh.msgh_local_port;
rep->rep_msgh.msgh_id = req->req_msgh.msgh_id + 100;
rep->rep_body.msgh_descriptor_count = 1;
rep->rep_properties.name = (mach_port_t)mr->mr_name;
rep->rep_properties.disposition = 0x11; /* XXX */
rep->rep_properties_count = mip->mip_value;
rep->rep_trailer.msgh_trailer_size = 8;
*msglen = sizeof(*rep);
return 0;
}