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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> |
| 1293 | palkovsky | 46 | #include <syscall/copy.h> |
| 662 | decky | 47 | |
| 955 | palkovsky | 48 | static __native sys_io(int fd, const void * buf, size_t count) { |
| 712 | decky | 49 | |
| 50 | // TODO: buf sanity checks and a lot of other stuff ... |
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| 51 | |||
| 52 | size_t i; |
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| 53 | |||
| 54 | for (i = 0; i < count; i++) |
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| 55 | putchar(((char *) buf)[i]); |
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| 56 | |||
| 714 | decky | 57 | return count; |
| 662 | decky | 58 | } |
| 59 | |||
| 1278 | palkovsky | 60 | static __native sys_preempt_control(int enable) |
| 1212 | palkovsky | 61 | { |
| 1278 | palkovsky | 62 | if (! cap_get(TASK) & CAP_PREEMPT_CONTROL) |
| 63 | return EPERM; |
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| 64 | if (enable) |
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| 65 | preemption_enable(); |
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| 66 | else |
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| 67 | preemption_disable(); |
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| 68 | return 0; |
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| 1212 | palkovsky | 69 | } |
| 70 | |||
| 1100 | palkovsky | 71 | /** Dispatch system call */ |
| 72 | __native syscall_handler(__native a1, __native a2, __native a3, |
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| 73 | __native a4, __native id) |
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| 74 | { |
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| 75 | if (id < SYSCALL_END) |
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| 76 | return syscall_table[id](a1,a2,a3,a4); |
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| 77 | else |
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| 78 | panic("Undefined syscall %d", id); |
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| 79 | } |
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| 80 | |||
| 662 | decky | 81 | syshandler_t syscall_table[SYSCALL_END] = { |
| 955 | palkovsky | 82 | sys_io, |
| 1112 | palkovsky | 83 | sys_tls_set, |
| 1278 | palkovsky | 84 | sys_preempt_control, |
| 1235 | jermar | 85 | |
| 86 | /* Thread and task related syscalls. */ |
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| 1066 | jermar | 87 | sys_thread_create, |
| 88 | sys_thread_exit, |
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| 1227 | jermar | 89 | sys_task_get_id, |
| 1235 | jermar | 90 | |
| 91 | /* Synchronization related syscalls. */ |
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| 1118 | jermar | 92 | sys_futex_sleep_timeout, |
| 1109 | jermar | 93 | sys_futex_wakeup, |
| 1235 | jermar | 94 | |
| 95 | /* Address space related syscalls. */ |
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| 1227 | jermar | 96 | sys_as_area_create, |
| 97 | sys_as_area_resize, |
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| 1235 | jermar | 98 | sys_as_area_accept, |
| 99 | sys_as_area_send, |
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| 100 | |||
| 101 | /* IPC related syscalls. */ |
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| 998 | palkovsky | 102 | sys_ipc_call_sync_fast, |
| 959 | palkovsky | 103 | sys_ipc_call_sync, |
| 998 | palkovsky | 104 | sys_ipc_call_async_fast, |
| 959 | palkovsky | 105 | sys_ipc_call_async, |
| 1005 | palkovsky | 106 | sys_ipc_answer_fast, |
| 955 | palkovsky | 107 | sys_ipc_answer, |
| 1040 | palkovsky | 108 | sys_ipc_forward_fast, |
| 1027 | palkovsky | 109 | sys_ipc_wait_for_call, |
| 1178 | jermar | 110 | sys_ipc_hangup, |
| 1258 | palkovsky | 111 | sys_ipc_register_irq, |
| 112 | sys_ipc_unregister_irq, |
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| 113 | |||
| 1235 | jermar | 114 | /* DDI related syscalls. */ |
| 1227 | jermar | 115 | sys_physmem_map, |
| 116 | sys_iospace_enable |
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| 662 | decky | 117 | }; |