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/* physmem-user.c - User stubs for physmem RPCs.
Copyright (C) 2004 Free Software Foundation, Inc.
Written by Marcus Brinkmann.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU Hurd is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include <l4.h>
#include "physmem-user.h"
/* Map the memory at offset OFFSET with size SIZE at address VADDR
from the container CONT in the physical memory server PHYSMEM. */
error_t
physmem_map (l4_thread_id_t physmem, hurd_cap_handle_t cont,
l4_word_t offset, size_t size, void *vaddr)
{
l4_msg_t msg;
l4_msg_tag_t tag;
/* Let physmem take over the address space completely. */
l4_accept (l4_map_grant_items (L4_COMPLETE_ADDRESS_SPACE));
l4_msg_clear (msg);
l4_set_msg_label (msg, 128 /* PHYSMEM_MAP */);
l4_msg_append_word (msg, cont);
l4_msg_append_word (msg, offset);
l4_msg_append_word (msg, size);
l4_msg_append_word (msg, (l4_word_t) vaddr);
l4_msg_load (msg);
tag = l4_call (physmem);
/* FIXME: Check return. */
return 0;
}
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