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662 | decky | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2005 Martin Decky |
662 | decky | 3 | * All rights reserved. |
4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
1862 | jermar | 29 | /** @addtogroup generic |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | |||
1264 | jermar | 33 | /** |
1702 | cejka | 34 | * @file |
4156 | trochtova | 35 | * @brief Syscall table and syscall wrappers. |
1264 | jermar | 36 | */ |
4156 | trochtova | 37 | |
678 | decky | 38 | #include <syscall/syscall.h> |
714 | decky | 39 | #include <proc/thread.h> |
1118 | jermar | 40 | #include <proc/task.h> |
4055 | trochtova | 41 | #include <proc/program.h> |
977 | jermar | 42 | #include <mm/as.h> |
712 | decky | 43 | #include <print.h> |
955 | palkovsky | 44 | #include <arch.h> |
45 | #include <debug.h> |
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4156 | trochtova | 46 | #include <ddi/device.h> |
1027 | palkovsky | 47 | #include <ipc/sysipc.h> |
1109 | jermar | 48 | #include <synch/futex.h> |
4055 | trochtova | 49 | #include <synch/smc.h> |
1178 | jermar | 50 | #include <ddi/ddi.h> |
4296 | trochtova | 51 | #include <ipc/event.h> |
1297 | jermar | 52 | #include <security/cap.h> |
1318 | vana | 53 | #include <sysinfo/sysinfo.h> |
1474 | palkovsky | 54 | #include <console/console.h> |
4055 | trochtova | 55 | #include <udebug/udebug.h> |
662 | decky | 56 | |
1100 | palkovsky | 57 | /** Dispatch system call */ |
2605 | jermar | 58 | unative_t syscall_handler(unative_t a1, unative_t a2, unative_t a3, |
59 | unative_t a4, unative_t a5, unative_t a6, unative_t id) |
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1100 | palkovsky | 60 | { |
1780 | jermar | 61 | unative_t rc; |
4156 | trochtova | 62 | |
4055 | trochtova | 63 | #ifdef CONFIG_UDEBUG |
64 | udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, 0, false); |
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65 | #endif |
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4156 | trochtova | 66 | |
67 | if (id < SYSCALL_END) { |
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2605 | jermar | 68 | rc = syscall_table[id](a1, a2, a3, a4, a5, a6); |
4055 | trochtova | 69 | } else { |
70 | printf("Task %" PRIu64": Unknown syscall %#" PRIxn, TASK->taskid, id); |
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1597 | palkovsky | 71 | task_kill(TASK->taskid); |
72 | thread_exit(); |
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73 | } |
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4156 | trochtova | 74 | |
1579 | jermar | 75 | if (THREAD->interrupted) |
76 | thread_exit(); |
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4156 | trochtova | 77 | |
4055 | trochtova | 78 | #ifdef CONFIG_UDEBUG |
79 | udebug_syscall_event(a1, a2, a3, a4, a5, a6, id, rc, true); |
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4156 | trochtova | 80 | |
4055 | trochtova | 81 | /* |
82 | * Stopping point needed for tasks that only invoke non-blocking |
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83 | * system calls. |
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84 | */ |
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85 | udebug_stoppable_begin(); |
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86 | udebug_stoppable_end(); |
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4156 | trochtova | 87 | #endif |
88 | |||
1579 | jermar | 89 | return rc; |
1100 | palkovsky | 90 | } |
91 | |||
662 | decky | 92 | syshandler_t syscall_table[SYSCALL_END] = { |
4055 | trochtova | 93 | (syshandler_t) sys_klog, |
2119 | decky | 94 | (syshandler_t) sys_tls_set, |
1297 | jermar | 95 | |
1235 | jermar | 96 | /* Thread and task related syscalls. */ |
2119 | decky | 97 | (syshandler_t) sys_thread_create, |
98 | (syshandler_t) sys_thread_exit, |
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2187 | decky | 99 | (syshandler_t) sys_thread_get_id, |
4055 | trochtova | 100 | |
2119 | decky | 101 | (syshandler_t) sys_task_get_id, |
4055 | trochtova | 102 | (syshandler_t) sys_task_set_name, |
103 | (syshandler_t) sys_program_spawn_loader, |
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1235 | jermar | 104 | |
105 | /* Synchronization related syscalls. */ |
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2119 | decky | 106 | (syshandler_t) sys_futex_sleep_timeout, |
107 | (syshandler_t) sys_futex_wakeup, |
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4055 | trochtova | 108 | (syshandler_t) sys_smc_coherence, |
1235 | jermar | 109 | |
110 | /* Address space related syscalls. */ |
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2119 | decky | 111 | (syshandler_t) sys_as_area_create, |
112 | (syshandler_t) sys_as_area_resize, |
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4055 | trochtova | 113 | (syshandler_t) sys_as_area_change_flags, |
2119 | decky | 114 | (syshandler_t) sys_as_area_destroy, |
115 | |||
1235 | jermar | 116 | /* IPC related syscalls. */ |
2119 | decky | 117 | (syshandler_t) sys_ipc_call_sync_fast, |
2615 | jermar | 118 | (syshandler_t) sys_ipc_call_sync_slow, |
2119 | decky | 119 | (syshandler_t) sys_ipc_call_async_fast, |
2618 | jermar | 120 | (syshandler_t) sys_ipc_call_async_slow, |
2119 | decky | 121 | (syshandler_t) sys_ipc_answer_fast, |
2619 | jermar | 122 | (syshandler_t) sys_ipc_answer_slow, |
2119 | decky | 123 | (syshandler_t) sys_ipc_forward_fast, |
4055 | trochtova | 124 | (syshandler_t) sys_ipc_forward_slow, |
2119 | decky | 125 | (syshandler_t) sys_ipc_wait_for_call, |
126 | (syshandler_t) sys_ipc_hangup, |
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127 | (syshandler_t) sys_ipc_register_irq, |
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128 | (syshandler_t) sys_ipc_unregister_irq, |
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4201 | trochtova | 129 | |
130 | /* Event notification syscalls. */ |
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131 | (syshandler_t) sys_event_subscribe, |
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2119 | decky | 132 | |
1297 | jermar | 133 | /* Capabilities related syscalls. */ |
2119 | decky | 134 | (syshandler_t) sys_cap_grant, |
135 | (syshandler_t) sys_cap_revoke, |
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136 | |||
1235 | jermar | 137 | /* DDI related syscalls. */ |
4156 | trochtova | 138 | (syshandler_t) sys_device_assign_devno, |
2119 | decky | 139 | (syshandler_t) sys_physmem_map, |
140 | (syshandler_t) sys_iospace_enable, |
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141 | (syshandler_t) sys_preempt_control, |
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1318 | vana | 142 | |
143 | /* Sysinfo syscalls */ |
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2119 | decky | 144 | (syshandler_t) sys_sysinfo_valid, |
145 | (syshandler_t) sys_sysinfo_value, |
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1474 | palkovsky | 146 | |
147 | /* Debug calls */ |
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4055 | trochtova | 148 | (syshandler_t) sys_debug_enable_console, |
149 | (syshandler_t) sys_debug_disable_console, |
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150 | |||
151 | (syshandler_t) sys_ipc_connect_kbox |
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662 | decky | 152 | }; |
1702 | cejka | 153 | |
1862 | jermar | 154 | /** @} |
1702 | cejka | 155 | */ |