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| Rev | Author | Line No. | Line |
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| 662 | decky | 1 | /* |
| 2 | * Copyright (C) 2005 Martin Decky |
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| 3 | * All rights reserved. |
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| 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 | |||
| 1264 | jermar | 29 | /** |
| 30 | * @file syscall.c |
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| 31 | * @brief Syscall table and syscall wrappers. |
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| 32 | */ |
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| 33 | |||
| 678 | decky | 34 | #include <syscall/syscall.h> |
| 714 | decky | 35 | #include <proc/thread.h> |
| 1118 | jermar | 36 | #include <proc/task.h> |
| 977 | jermar | 37 | #include <mm/as.h> |
| 712 | decky | 38 | #include <print.h> |
| 39 | #include <putchar.h> |
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| 955 | palkovsky | 40 | #include <errno.h> |
| 41 | #include <arch.h> |
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| 42 | #include <debug.h> |
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| 1027 | palkovsky | 43 | #include <ipc/sysipc.h> |
| 1109 | jermar | 44 | #include <synch/futex.h> |
| 1178 | jermar | 45 | #include <ddi/ddi.h> |
| 1297 | jermar | 46 | #include <security/cap.h> |
| 1293 | palkovsky | 47 | #include <syscall/copy.h> |
| 1318 | vana | 48 | #include <sysinfo/sysinfo.h> |
| 662 | decky | 49 | |
| 1448 | palkovsky | 50 | /** Print using kernel facility |
| 51 | * |
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| 52 | * Some simulators can print only through kernel. Userspace can use |
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| 53 | * this syscall to facilitate it. |
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| 54 | */ |
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| 1386 | palkovsky | 55 | static __native sys_io(int fd, const void * buf, size_t count) |
| 56 | { |
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| 1448 | palkovsky | 57 | size_t i; |
| 58 | char *data; |
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| 59 | int rc; |
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| 1386 | palkovsky | 60 | |
| 1448 | palkovsky | 61 | if (count > PAGE_SIZE) |
| 62 | return ELIMIT; |
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| 63 | |||
| 64 | data = malloc(count, 0); |
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| 65 | if (!data) |
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| 66 | return ENOMEM; |
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| 712 | decky | 67 | |
| 1448 | palkovsky | 68 | rc = copy_from_uspace(data, buf, count); |
| 69 | if (rc) { |
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| 70 | free(data); |
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| 71 | return rc; |
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| 72 | } |
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| 73 | |||
| 712 | decky | 74 | for (i = 0; i < count; i++) |
| 1448 | palkovsky | 75 | putchar(data[i]); |
| 76 | free(data); |
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| 712 | decky | 77 | |
| 1386 | palkovsky | 78 | return count; |
| 662 | decky | 79 | } |
| 80 | |||
| 1100 | palkovsky | 81 | /** Dispatch system call */ |
| 82 | __native syscall_handler(__native a1, __native a2, __native a3, |
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| 83 | __native a4, __native id) |
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| 84 | { |
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| 85 | if (id < SYSCALL_END) |
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| 86 | return syscall_table[id](a1,a2,a3,a4); |
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| 87 | else |
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| 88 | panic("Undefined syscall %d", id); |
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| 89 | } |
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| 90 | |||
| 662 | decky | 91 | syshandler_t syscall_table[SYSCALL_END] = { |
| 955 | palkovsky | 92 | sys_io, |
| 1112 | palkovsky | 93 | sys_tls_set, |
| 1297 | jermar | 94 | |
| 1235 | jermar | 95 | /* Thread and task related syscalls. */ |
| 1066 | jermar | 96 | sys_thread_create, |
| 97 | sys_thread_exit, |
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| 1227 | jermar | 98 | sys_task_get_id, |
| 1235 | jermar | 99 | |
| 100 | /* Synchronization related syscalls. */ |
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| 1118 | jermar | 101 | sys_futex_sleep_timeout, |
| 1109 | jermar | 102 | sys_futex_wakeup, |
| 1235 | jermar | 103 | |
| 104 | /* Address space related syscalls. */ |
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| 1227 | jermar | 105 | sys_as_area_create, |
| 106 | sys_as_area_resize, |
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| 1306 | jermar | 107 | sys_as_area_destroy, |
| 1235 | jermar | 108 | |
| 109 | /* IPC related syscalls. */ |
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| 998 | palkovsky | 110 | sys_ipc_call_sync_fast, |
| 959 | palkovsky | 111 | sys_ipc_call_sync, |
| 998 | palkovsky | 112 | sys_ipc_call_async_fast, |
| 959 | palkovsky | 113 | sys_ipc_call_async, |
| 1005 | palkovsky | 114 | sys_ipc_answer_fast, |
| 955 | palkovsky | 115 | sys_ipc_answer, |
| 1040 | palkovsky | 116 | sys_ipc_forward_fast, |
| 1027 | palkovsky | 117 | sys_ipc_wait_for_call, |
| 1178 | jermar | 118 | sys_ipc_hangup, |
| 1258 | palkovsky | 119 | sys_ipc_register_irq, |
| 120 | sys_ipc_unregister_irq, |
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| 121 | |||
| 1297 | jermar | 122 | /* Capabilities related syscalls. */ |
| 123 | sys_cap_grant, |
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| 124 | sys_cap_revoke, |
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| 125 | |||
| 1235 | jermar | 126 | /* DDI related syscalls. */ |
| 1227 | jermar | 127 | sys_physmem_map, |
| 1297 | jermar | 128 | sys_iospace_enable, |
| 1318 | vana | 129 | sys_preempt_control, |
| 130 | |||
| 131 | /* Sysinfo syscalls */ |
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| 132 | sys_sysinfo_valid, |
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| 133 | sys_sysinfo_value |
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| 662 | decky | 134 | }; |