L4Re – L4 Runtime Environment
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5 /*
6  * (c) 2013 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
7  * economic rights: Technische Universität Dresden (Germany)
8  *
9  * This file is part of TUD:OS and distributed under the terms of the
10  * GNU General Public License 2.
11  * Please see the COPYING-GPL-2 file for details.
12  *
13  * As a special exception, you may use this file as part of a free software
14  * library without restriction. Specifically, if other files instantiate
15  * templates or use macros or inline functions from this file, or you compile
16  * this file and link it with other files to produce an executable, this
17  * file does not by itself cause the resulting executable to be covered by
18  * the GNU General Public License. This exception does not however
19  * invalidate any other reasons why the executable file might be covered by
20  * the GNU General Public License.
21  */
22 #pragma once
24 #include_next <l4/sys/thread.h>
34 L4_INLINE l4_msgtag_t
41 L4_INLINE l4_msgtag_t
42 l4_thread_arm_set_tpidruro_u(l4_cap_idx_t thread, l4_addr_t tpidruro,
43  l4_utcb_t *utcb) L4_NOTHROW;
45 /* IMPLEMENTATION -----------------------------------------------------------*/
47 L4_INLINE l4_msgtag_t
48 l4_thread_arm_set_tpidruro_u(l4_cap_idx_t thread, l4_addr_t tpidruro,
49  l4_utcb_t *utcb) L4_NOTHROW
50 {
51  l4_msg_regs_t *v = l4_utcb_mr_u(utcb);
53  v->mr[1] = tpidruro;
54  return l4_ipc_call(thread, utcb, l4_msgtag(L4_PROTO_THREAD, 2, 0, 0),
55  L4_IPC_NEVER);
56 }
58 L4_INLINE l4_msgtag_t
60 {
61  return l4_thread_arm_set_tpidruro_u(thread, tpidruro, l4_utcb());
62 }
#define L4_NOTHROW
Mark a function declaration and definition as never throwing an exception.
Definition: compiler.h:186
unsigned long l4_addr_t
Address type.
Definition: l4int.h:45
unsigned long l4_cap_idx_t
L4 Capability selector Type.
Definition: types.h:342
l4_msgtag_t l4_ipc_call(l4_cap_idx_t object, l4_utcb_t *utcb, l4_msgtag_t tag, l4_timeout_t timeout) L4_NOTHROW
Object call (usual invocation).
Definition: ipc.h:463
l4_msgtag_t l4_msgtag(long label, unsigned words, unsigned items, unsigned flags) L4_NOTHROW
Create a message tag from the specified values.
Definition: types.h:408
Protocol for messages to a thread object.
Definition: types.h:64
Set TPIDRURO register.
Definition: thread.h:633
l4_msgtag_t l4_thread_arm_set_tpidruro(l4_cap_idx_t thread, l4_addr_t tpidruro) L4_NOTHROW
Set the TPIDRURO thread specific register.
Definition: thread.h:59
struct l4_utcb_t l4_utcb_t
Opaque type for the UTCB.
Definition: utcb.h:67
l4_utcb_t * l4_utcb(void) L4_NOTHROW L4_PURE
Get the UTCB address.
Definition: utcb.h:340
Message tag data structure.
Definition: types.h:160
Encapsulation of the message-register block in the UTCB.
Definition: utcb.h:79
l4_umword_t mr[L4_UTCB_GENERIC_DATA_SIZE]
Message registers.
Definition: utcb.h:80