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1180 | jermar | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Jakub Jermar |
1180 | jermar | 3 | * All rights reserved. |
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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1653 | cejka | 27 | */ |
28 | |||
1719 | decky | 29 | /** @addtogroup libc |
1653 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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1180 | jermar | 33 | */ |
34 | |||
35 | #include <ddi.h> |
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36 | #include <libc.h> |
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37 | #include <task.h> |
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38 | #include <kernel/ddi/ddi_arg.h> |
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39 | |||
40 | /** Map piece of physical memory to task. |
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41 | * |
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42 | * Caller of this function must have the CAP_MEM_MANAGER capability. |
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43 | * |
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44 | * @param pf Physical address of the starting frame. |
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45 | * @param vp Virtual address of the sterting page. |
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46 | * @param pages Number of pages to map. |
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1430 | jermar | 47 | * @param flags Flags for the new address space area. |
1180 | jermar | 48 | * |
49 | * @return 0 on success, EPERM if the caller lacks the CAP_MEM_MANAGER capability, |
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50 | * ENOENT if there is no task with specified ID and ENOMEM if there |
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51 | * was some problem in creating address space area. |
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52 | */ |
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2012 | jermar | 53 | int physmem_map(void *pf, void *vp, unsigned long pages, int flags) |
1180 | jermar | 54 | { |
2012 | jermar | 55 | return __SYSCALL4(SYS_PHYSMEM_MAP, (sysarg_t) pf, (sysarg_t) vp, pages, flags); |
1180 | jermar | 56 | } |
1192 | jermar | 57 | |
58 | /** Enable I/O space range to task. |
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59 | * |
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60 | * Caller of this function must have the IO_MEM_MANAGER capability. |
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61 | * |
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62 | * @param id Task ID. |
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63 | * @param ioaddr Starting address of the I/O range. |
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64 | * @param size Size of the range. |
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65 | * |
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66 | * @return 0 on success, EPERM if the caller lacks the CAP_IO_MANAGER capability, |
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67 | * ENOENT if there is no task with specified ID and ENOMEM if there |
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68 | * was some problem in allocating memory. |
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69 | */ |
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1254 | jermar | 70 | int iospace_enable(task_id_t id, void *ioaddr, unsigned long size) |
1192 | jermar | 71 | { |
72 | ddi_ioarg_t arg; |
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73 | |||
74 | arg.task_id = id; |
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75 | arg.ioaddr = ioaddr; |
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76 | arg.size = size; |
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77 | |||
1254 | jermar | 78 | return __SYSCALL1(SYS_IOSPACE_ENABLE, (sysarg_t) &arg); |
1192 | jermar | 79 | } |
1213 | palkovsky | 80 | |
81 | /** Interrupt control |
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82 | * |
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83 | * @param enable 1 - enable interrupts, 0 - disable interrupts |
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84 | */ |
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1279 | palkovsky | 85 | int preemption_control(int enable) |
1213 | palkovsky | 86 | { |
1279 | palkovsky | 87 | return __SYSCALL1(SYS_PREEMPT_CONTROL, (sysarg_t) enable); |
1213 | palkovsky | 88 | } |
1653 | cejka | 89 | |
1719 | decky | 90 | /** @} |
1653 | cejka | 91 | */ |