L4Re Operating System Framework
Interface and Usage Documentation
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ipc-l42-gcc3-nopic.h
1
6/*
7 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
8 * Alexander Warg <warg@os.inf.tu-dresden.de>,
9 * Frank Mehnert <fm3@os.inf.tu-dresden.de>,
10 * Jork Löser <jork@os.inf.tu-dresden.de>
11 * economic rights: Technische Universität Dresden (Germany)
12 *
13 * This file is part of TUD:OS and distributed under the terms of the
14 * GNU General Public License 2.
15 * Please see the COPYING-GPL-2 file for details.
16 *
17 * As a special exception, you may use this file as part of a free software
18 * library without restriction. Specifically, if other files instantiate
19 * templates or use macros or inline functions from this file, or you compile
20 * this file and link it with other files to produce an executable, this
21 * file does not by itself cause the resulting executable to be covered by
22 * the GNU General Public License. This exception does not however
23 * invalidate any other reasons why the executable file might be covered by
24 * the GNU General Public License.
25 */
26#pragma once
27
28#include <l4/sys/consts.h>
29
32 l4_umword_t flags,
33 l4_umword_t slabel,
34 l4_msgtag_t tag,
35 l4_umword_t *rlabel,
37{
38 l4_umword_t dummy, dummy1, dummy2;
39
40 (void)u;
41
42 __asm__ __volatile__
43 (L4_ENTER_KERNEL
44 :
45 "=d" (dummy2),
46 "=S" (slabel),
47 "=c" (dummy1),
48 "=D" (dummy),
49 "=a" (tag.raw)
50 :
51 "S" (slabel),
52 "c" (timeout),
53 "a" (tag.raw),
54 "d" (dest | flags)
55 L4S_PIC_SYSCALL
56 :
57 "memory", "cc" L4S_PIC_CLOBBER
58 );
59
60 if (rlabel)
61 *rlabel = slabel;
62
63 return tag;
64}
unsigned long l4_umword_t
Unsigned machine word.
Definition l4int.h:51
unsigned long l4_cap_idx_t
Capability selector type.
Definition types.h:359
l4_msgtag_t l4_ipc(l4_cap_idx_t dest, l4_utcb_t *u, l4_umword_t flags, l4_umword_t slabel, l4_msgtag_t tag, l4_umword_t *rlabel, l4_timeout_t timeout) L4_NOTHROW
Generic L4 object invocation.
struct l4_utcb_t l4_utcb_t
Opaque type for the UTCB.
Definition utcb.h:67
#define L4_NOTHROW
Mark a function declaration and definition as never throwing an exception.
Definition compiler.h:188
#define L4_INLINE
L4 Inline function attribute.
Definition compiler.h:62
Message tag data structure.
Definition types.h:164
Timeout pair.
Definition __timeout.h:61