[7ae4443] | 1 | /*
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| 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 |
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[a59e81e] | 29 | #include <syscall/syscall.h>
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[4be51c8] | 30 | #include <proc/thread.h>
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[d3e7ff4] | 31 | #include <mm/as.h>
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[204674e] | 32 | #include <print.h>
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| 33 | #include <putchar.h>
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[6d9c49a] | 34 | #include <errno.h>
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| 35 | #include <proc/task.h>
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| 36 | #include <arch.h>
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| 37 | #include <debug.h>
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[2d5a54f3] | 38 | #include <ipc/sysipc.h>
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[7ae4443] | 39 |
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[6d9c49a] | 40 | static __native sys_io(int fd, const void * buf, size_t count) {
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[204674e] | 41 |
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| 42 | // TODO: buf sanity checks and a lot of other stuff ...
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| 43 |
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| 44 | size_t i;
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| 45 |
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| 46 | for (i = 0; i < count; i++)
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| 47 | putchar(((char *) buf)[i]);
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| 48 |
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[4be51c8] | 49 | return count;
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[7ae4443] | 50 | }
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| 51 |
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[2ad7627] | 52 | static __native sys_mmap(void *address, size_t size, int flags)
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| 53 | {
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| 54 | if (as_area_create(AS, flags, size, (__address) address))
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| 55 | return (__native) address;
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| 56 | else
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| 57 | return (__native) -1;
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| 58 | }
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| 59 |
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| 60 | static __native sys_mremap(void *address, size_t size, int flags)
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[d3e7ff4] | 61 | {
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| 62 | return as_remap(AS, (__address) address, size, 0);
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| 63 | }
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[6d9c49a] | 64 |
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[53f9821] | 65 | /** Dispatch system call */
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| 66 | __native syscall_handler(__native a1, __native a2, __native a3,
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| 67 | __native a4, __native id)
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| 68 | {
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| 69 | if (id < SYSCALL_END)
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| 70 | return syscall_table[id](a1,a2,a3,a4);
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| 71 | else
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| 72 | panic("Undefined syscall %d", id);
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| 73 | }
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| 74 |
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[7ae4443] | 75 | syshandler_t syscall_table[SYSCALL_END] = {
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[6d9c49a] | 76 | sys_io,
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[9f52563] | 77 | sys_thread_create,
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| 78 | sys_thread_exit,
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[2ad7627] | 79 | sys_mmap,
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[d3e7ff4] | 80 | sys_mremap,
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[5f62ef9] | 81 | sys_ipc_call_sync_fast,
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[631ca4d] | 82 | sys_ipc_call_sync,
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[5f62ef9] | 83 | sys_ipc_call_async_fast,
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[631ca4d] | 84 | sys_ipc_call_async,
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[286e03d] | 85 | sys_ipc_answer_fast,
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[6d9c49a] | 86 | sys_ipc_answer,
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[2ba7810] | 87 | sys_ipc_forward_fast,
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[2d5a54f3] | 88 | sys_ipc_wait_for_call,
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[fbcfd458] | 89 | sys_ipc_hangup
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[7ae4443] | 90 | };
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