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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2005 Martin Decky |
2 | * Copyright (C) 2005 Martin Decky |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
| 14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | #include <syscall/syscall.h> |
29 | #include <syscall/syscall.h> |
| 30 | #include <proc/thread.h> |
30 | #include <proc/thread.h> |
| 31 | #include <mm/as.h> |
31 | #include <mm/as.h> |
| 32 | #include <print.h> |
32 | #include <print.h> |
| 33 | #include <putchar.h> |
33 | #include <putchar.h> |
| 34 | #include <errno.h> |
34 | #include <errno.h> |
| 35 | #include <proc/task.h> |
35 | #include <proc/task.h> |
| 36 | #include <arch.h> |
36 | #include <arch.h> |
| 37 | #include <debug.h> |
37 | #include <debug.h> |
| 38 | #include <ipc/sysipc.h> |
38 | #include <ipc/sysipc.h> |
| 39 | 39 | ||
| 40 | static __native sys_io(int fd, const void * buf, size_t count) { |
40 | static __native sys_io(int fd, const void * buf, size_t count) { |
| 41 | 41 | ||
| 42 | // TODO: buf sanity checks and a lot of other stuff ... |
42 | // TODO: buf sanity checks and a lot of other stuff ... |
| 43 | 43 | ||
| 44 | size_t i; |
44 | size_t i; |
| 45 | 45 | ||
| 46 | for (i = 0; i < count; i++) |
46 | for (i = 0; i < count; i++) |
| 47 | putchar(((char *) buf)[i]); |
47 | putchar(((char *) buf)[i]); |
| 48 | 48 | ||
| 49 | return count; |
49 | return count; |
| 50 | } |
50 | } |
| 51 | 51 | ||
| 52 | static __native sys_mmap(void *address, size_t size, int flags) |
52 | static __native sys_mmap(void *address, size_t size, int flags) |
| 53 | { |
53 | { |
| 54 | if (as_area_create(AS, flags, size, (__address) address)) |
54 | if (as_area_create(AS, flags, size, (__address) address)) |
| 55 | return (__native) address; |
55 | return (__native) address; |
| 56 | else |
56 | else |
| 57 | return (__native) -1; |
57 | return (__native) -1; |
| 58 | } |
58 | } |
| 59 | 59 | ||
| 60 | static __native sys_mremap(void *address, size_t size, int flags) |
60 | static __native sys_mremap(void *address, size_t size, int flags) |
| 61 | { |
61 | { |
| 62 | return as_remap(AS, (__address) address, size, 0); |
62 | return as_remap(AS, (__address) address, size, 0); |
| 63 | } |
63 | } |
| 64 | 64 | ||
| - | 65 | /** Dispatch system call */ |
|
| - | 66 | __native syscall_handler(__native a1, __native a2, __native a3, |
|
| - | 67 | __native a4, __native id) |
|
| - | 68 | { |
|
| - | 69 | if (id < SYSCALL_END) |
|
| - | 70 | return syscall_table[id](a1,a2,a3,a4); |
|
| - | 71 | else |
|
| - | 72 | panic("Undefined syscall %d", id); |
|
| - | 73 | } |
|
| - | 74 | ||
| 65 | syshandler_t syscall_table[SYSCALL_END] = { |
75 | syshandler_t syscall_table[SYSCALL_END] = { |
| 66 | sys_io, |
76 | sys_io, |
| 67 | sys_thread_create, |
77 | sys_thread_create, |
| 68 | sys_thread_exit, |
78 | sys_thread_exit, |
| 69 | sys_mmap, |
79 | sys_mmap, |
| 70 | sys_mremap, |
80 | sys_mremap, |
| 71 | sys_ipc_call_sync_fast, |
81 | sys_ipc_call_sync_fast, |
| 72 | sys_ipc_call_sync, |
82 | sys_ipc_call_sync, |
| 73 | sys_ipc_call_async_fast, |
83 | sys_ipc_call_async_fast, |
| 74 | sys_ipc_call_async, |
84 | sys_ipc_call_async, |
| 75 | sys_ipc_answer_fast, |
85 | sys_ipc_answer_fast, |
| 76 | sys_ipc_answer, |
86 | sys_ipc_answer, |
| 77 | sys_ipc_forward_fast, |
87 | sys_ipc_forward_fast, |
| 78 | sys_ipc_wait_for_call, |
88 | sys_ipc_wait_for_call, |
| 79 | sys_ipc_hangup |
89 | sys_ipc_hangup |
| 80 | }; |
90 | }; |
| 81 | 91 | ||