1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/kernel/syscalls.H $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* COPYRIGHT International Business Machines Corp. 2010,2012 */
/* */
/* p1 */
/* */
/* Object Code Only (OCO) source materials */
/* Licensed Internal Code Source Materials */
/* IBM HostBoot Licensed Internal Code */
/* */
/* The source code for this program is not published or otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* Origin: 30 */
/* */
/* IBM_PROLOG_END_TAG */
/** @file syscalls.H
* @brief Defines all the system call IDs to be shared between the kernel and
* the system libc.
*/
#ifndef __KERNEL_SYSCALLS_H
#define __KERNEL_SYSCALLS_H
namespace Systemcalls
{
/** @enum SysCalls
* @brief List of normal system calls and their IDs.
*
* These are passed by userspace code via r3 when the sc instruction is
* executed. The kernel performs a case statement to switch to the
* appropriate system call handler.
*
* @note TASK_MIGRATE_TO_MASTER value must be kept in sync with start.S.
* @note TASK_END value must be kept in sync with start.S.
*/
enum SysCalls
{
/** task_yield() */
TASK_YIELD = 0,
/** task_create() */
TASK_START = 1,
/** task_end() */
TASK_END = 2,
/** task_affinity_migrate_to_master() */
TASK_MIGRATE_TO_MASTER = 3,
/** task_wait() / task_wait_tid() */
TASK_WAIT,
/** msgq_create() */
MSGQ_CREATE,
/** msgq_destroy() */
MSGQ_DESTROY,
/** VFS internal */
MSGQ_REGISTER_ROOT,
/** VFS internal */
MSGQ_RESOLVE_ROOT,
/** msg_send() */
MSG_SEND,
/** msg_sendrecv() */
MSG_SENDRECV,
/** msg_respond() */
MSG_RESPOND,
/** msg_wait() */
MSG_WAIT,
/** dev_map() */
DEV_MAP,
/** dev_unmap() */
DEV_UNMAP,
/** nanosleep() */
TIME_NANOSLEEP,
/** futex_wake() futex_wait() futex_requeue() */
SYS_FUTEX,
/** shutdown() */
MISC_SHUTDOWN,
/** cpu_core_type() */
MISC_CPUCORETYPE,
/** cpu_dd_level() */
MISC_CPUDDLEVEL,
/** cpu_start_core() */
MISC_CPUSTARTCORE,
/** cpu_spr_value() */
MISC_CPUSPRVALUE,
/** cpu_nap() - Hidden syscall */
MISC_CPUNAP,
/** cpu_master_winkle() */
MISC_CPUWINKLE,
/** mm_alloc_block() */
MM_ALLOC_BLOCK,
/** mm_remove_pages() */
MM_REMOVE_PAGES,
/** mm_set_permission() */
MM_SET_PERMISSION,
/** mm_alloc_pages() */
MM_ALLOC_PAGES,
/** mm_virt_to_phys() */
MM_VIRT_TO_PHYS,
/** mm_extend() */
MM_EXTEND,
/** mm_linear_map() */
MM_LINEAR_MAP,
/** critassert() */
MISC_CRITASSERT,
SYSCALL_MAX
};
/** @enum SysCalls_FastPath
* @brief List of fast-path system calls and their IDs.
*
* @note If any of these change, their handling in start.S must also be
* updated. The ASM code relies on these values.
*/
enum SysCalls_FastPath
{
/** mmio_hmer_read() */
MMIO_HMER_READ = 0x0800,
/** mmio_hmer_write() */
MMIO_HMER_WRITE = 0x0801,
/** mmio_scratch_read() */
MMIO_SCRATCH_READ = 0x0802,
/** mmio_scratch_write() */
MMIO_SCRATCH_WRITE = 0x0803,
SYSCALL_FASTPATH_MAX
};
};
#endif
|
