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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Jakub Jermar |
2 | * Copyright (C) 2006 Jakub Jermar |
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 <ddi.h> |
29 | #include <ddi.h> |
30 | #include <libc.h> |
30 | #include <libc.h> |
31 | #include <task.h> |
31 | #include <task.h> |
32 | #include <kernel/ddi/ddi_arg.h> |
32 | #include <kernel/ddi/ddi_arg.h> |
33 | 33 | ||
34 | /** Map piece of physical memory to task. |
34 | /** Map piece of physical memory to task. |
35 | * |
35 | * |
36 | * Caller of this function must have the CAP_MEM_MANAGER capability. |
36 | * Caller of this function must have the CAP_MEM_MANAGER capability. |
37 | * |
37 | * |
38 | * @param id Task ID. |
38 | * @param id Task ID. |
39 | * @param pf Physical address of the starting frame. |
39 | * @param pf Physical address of the starting frame. |
40 | * @param vp Virtual address of the sterting page. |
40 | * @param vp Virtual address of the sterting page. |
41 | * @param pages Number of pages to map. |
41 | * @param pages Number of pages to map. |
42 | * @param writable If true, the mapping will be created writable. |
42 | * @param writable If true, the mapping will be created writable. |
43 | * |
43 | * |
44 | * @return 0 on success, EPERM if the caller lacks the CAP_MEM_MANAGER capability, |
44 | * @return 0 on success, EPERM if the caller lacks the CAP_MEM_MANAGER capability, |
45 | * ENOENT if there is no task with specified ID and ENOMEM if there |
45 | * ENOENT if there is no task with specified ID and ENOMEM if there |
46 | * was some problem in creating address space area. |
46 | * was some problem in creating address space area. |
47 | */ |
47 | */ |
48 | int map_physmem(task_id_t id, void *pf, void *vp, unsigned long pages, int writable) |
48 | int map_physmem(task_id_t id, void *pf, void *vp, unsigned long pages, int writable) |
49 | { |
49 | { |
50 | task_id_t task_id; |
50 | task_id_t task_id; |
51 | ddi_memarg_t arg; |
51 | ddi_memarg_t arg; |
52 | 52 | ||
53 | arg.task_id = id; |
53 | arg.task_id = id; |
54 | arg.phys_base = pf; |
54 | arg.phys_base = pf; |
55 | arg.virt_base = vp; |
55 | arg.virt_base = vp; |
56 | arg.pages = pages; |
56 | arg.pages = pages; |
57 | arg.writable = writable; |
57 | arg.writable = writable; |
58 | 58 | ||
59 | return __SYSCALL1(SYS_MAP_PHYSMEM, (sysarg_t) &arg); |
59 | return __SYSCALL1(SYS_MAP_PHYSMEM, (sysarg_t) &arg); |
60 | } |
60 | } |
61 | 61 | ||
62 | /** Enable I/O space range to task. |
62 | /** Enable I/O space range to task. |
63 | * |
63 | * |
64 | * Caller of this function must have the IO_MEM_MANAGER capability. |
64 | * Caller of this function must have the IO_MEM_MANAGER capability. |
65 | * |
65 | * |
66 | * @param id Task ID. |
66 | * @param id Task ID. |
67 | * @param ioaddr Starting address of the I/O range. |
67 | * @param ioaddr Starting address of the I/O range. |
68 | * @param size Size of the range. |
68 | * @param size Size of the range. |
69 | * |
69 | * |
70 | * @return 0 on success, EPERM if the caller lacks the CAP_IO_MANAGER capability, |
70 | * @return 0 on success, EPERM if the caller lacks the CAP_IO_MANAGER capability, |
71 | * ENOENT if there is no task with specified ID and ENOMEM if there |
71 | * ENOENT if there is no task with specified ID and ENOMEM if there |
72 | * was some problem in allocating memory. |
72 | * was some problem in allocating memory. |
73 | */ |
73 | */ |
74 | int enable_iospace(task_id_t id, void *ioaddr, unsigned long size) |
74 | int enable_iospace(task_id_t id, void *ioaddr, unsigned long size) |
75 | { |
75 | { |
76 | task_id_t task_id; |
76 | task_id_t task_id; |
77 | ddi_ioarg_t arg; |
77 | ddi_ioarg_t arg; |
78 | 78 | ||
79 | arg.task_id = id; |
79 | arg.task_id = id; |
80 | arg.ioaddr = ioaddr; |
80 | arg.ioaddr = ioaddr; |
81 | arg.size = size; |
81 | arg.size = size; |
82 | 82 | ||
83 | return __SYSCALL1(SYS_ENABLE_IOSPACE, (sysarg_t) &arg); |
83 | return __SYSCALL1(SYS_ENABLE_IOSPACE, (sysarg_t) &arg); |
84 | } |
84 | } |
- | 85 | ||
- | 86 | /** Interrupt control |
|
- | 87 | * |
|
- | 88 | * @param enable 1 - enable interrupts, 0 - disable interrupts |
|
- | 89 | */ |
|
- | 90 | int interrupt_control(int enable) |
|
- | 91 | { |
|
- | 92 | return __SYSCALL1(SYS_INT_CONTROL, (sysarg_t) enable); |
|
- | 93 | } |
|
85 | 94 |