2 * (c) 2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
3 * Alexander Warg <warg@os.inf.tu-dresden.de>
4 * economic rights: Technische Universität Dresden (Germany)
6 * This file is part of TUD:OS and distributed under the terms of the
7 * GNU General Public License 2.
8 * Please see the COPYING-GPL-2 file for details.
10 * As a special exception, you may use this file as part of a free software
11 * library without restriction. Specifically, if other files instantiate
12 * templates or use macros or inline functions from this file, or you compile
13 * this file and link it with other files to produce an executable, this
14 * file does not by itself cause the resulting executable to be covered by
15 * the GNU General Public License. This exception does not however
16 * invalidate any other reasons why the executable file might be covered by
17 * the GNU General Public License.
21 #include <l4/sys/types.h>
22 #include <l4/sys/__vcpu-arch.h>
25 * \defgroup l4_vcpu_api vCPU API
26 * \ingroup l4_thread_api
31 * \brief State of a vCPU
32 * \ingroup l4_vcpu_api
34 typedef struct l4_vcpu_state_t
40 l4_umword_t saved_state;
42 l4_umword_t sticky_flags;
44 l4_cap_idx_t user_task;
48 l4_umword_t reserved_sp;
52 * \brief State flags of a vCPU
53 * \ingroup l4_vcpu_api
55 enum L4_vcpu_state_flags
58 L4_VCPU_F_PAGE_FAULTS = 0x02,
59 L4_VCPU_F_EXCEPTIONS = 0x04,
60 L4_VCPU_F_DEBUG_EXC = 0x08,
61 L4_VCPU_F_USER_MODE = 0x20,
62 L4_VCPU_F_FPU_ENABLED = 0x80,
66 * \brief Sticky flags of a vCPU
67 * \ingroup l4_vcpu_api
69 enum L4_vcpu_sticky_flags
71 L4_VCPU_SF_IRQ_PENDING = 0x01,