L4Re Operating System Framework
Interface and Usage Documentation
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__task-arm.h
1/*
2 * (c) 2018 Adam Lackorzynski <adam@l4re.org>
3 *
4 * This file is part of L4Re and distributed under the terms of the
5 * GNU General Public License 2.
6 * Please see the COPYING-GPL-2 file for details.
7 *
8 * As a special exception, you may use this file as part of a free software
9 * library without restriction. Specifically, if other files instantiate
10 * templates or use macros or inline functions from this file, or you compile
11 * this file and link it with other files to produce an executable, this
12 * file does not by itself cause the resulting executable to be covered by
13 * the GNU General Public License. This exception does not however
14 * invalidate any other reasons why the executable file might be covered by
15 * the GNU General Public License.
16 */
17#pragma once
18
19#include <l4/sys/types.h>
20
25l4_task_vgicc_map_u(l4_cap_idx_t task, l4_fpage_t vgicc_fpage,
27
41
42/* IMPLEMENTATION -----------------------------------------------------------*/
43
44#include <l4/sys/ipc.h>
45
47l4_task_vgicc_map_u(l4_cap_idx_t task, l4_fpage_t vgicc_fpage,
49{
50 l4_msg_regs_t *v = l4_utcb_mr_u(u);
52 v->mr[1] = vgicc_fpage.raw;
53 return l4_ipc_call(task, u, l4_msgtag(L4_PROTO_TASK, 2, 0, 0), L4_IPC_NEVER);
54}
55
58{
59 return l4_task_vgicc_map_u(task, vgicc_fpage, l4_utcb());
60}
unsigned long l4_cap_idx_t
Capability selector type.
Definition types.h:359
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:576
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:428
@ L4_PROTO_TASK
Protocol for messages to a task object.
Definition types.h:63
@ L4_TASK_MAP_VGICC_ARM_OP
Arm: Map virtual GICC area.
Definition task.h:319
l4_msgtag_t l4_task_vgicc_map(l4_cap_idx_t task, l4_fpage_t vgicc_fpage) L4_NOTHROW
Map the GIC virtual CPU interface page to the task in case Fiasco detected a GIC version 2.
Definition __task-arm.h:57
#define L4_IPC_NEVER
never timeout
Definition __timeout.h:84
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
#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
Common L4 ABI Data Types.
Message tag data structure.
Definition types.h:164
L4 flexpage type.
Definition __l4_fpage.h:85
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