Rev 1787 | Rev 1866 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1180 | jermar | 1 | /* |
| 2 | * Copyright (C) 2006 Jakub Jermar |
||
| 3 | * All rights reserved. |
||
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 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 |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 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 |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 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 |
||
| 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 |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 1653 | cejka | 27 | */ |
| 28 | |||
| 1719 | decky | 29 | /** @addtogroup libc |
| 1653 | cejka | 30 | * @{ |
| 31 | */ |
||
| 32 | /** @file |
||
| 1180 | jermar | 33 | */ |
| 34 | |||
| 35 | #include <ddi.h> |
||
| 36 | #include <libc.h> |
||
| 37 | #include <task.h> |
||
| 38 | #include <kernel/ddi/ddi_arg.h> |
||
| 39 | |||
| 40 | /** Map piece of physical memory to task. |
||
| 41 | * |
||
| 42 | * Caller of this function must have the CAP_MEM_MANAGER capability. |
||
| 43 | * |
||
| 44 | * @param pf Physical address of the starting frame. |
||
| 45 | * @param vp Virtual address of the sterting page. |
||
| 46 | * @param pages Number of pages to map. |
||
| 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, |
||
| 50 | * ENOENT if there is no task with specified ID and ENOMEM if there |
||
| 51 | * was some problem in creating address space area. |
||
| 52 | */ |
||
| 1493 | palkovsky | 53 | int map_physmem(void *pf, void *vp, unsigned long pages, int flags) |
| 1180 | jermar | 54 | { |
| 1863 | jermar | 55 | return __SYSCALL4(SYS_MAP_PHYSMEM, (sysarg_t) pf, (sysarg_t) vp, pages, flags); |
| 1180 | jermar | 56 | } |
| 1192 | jermar | 57 | |
| 58 | /** Enable I/O space range to task. |
||
| 59 | * |
||
| 60 | * Caller of this function must have the IO_MEM_MANAGER capability. |
||
| 61 | * |
||
| 62 | * @param id Task ID. |
||
| 63 | * @param ioaddr Starting address of the I/O range. |
||
| 64 | * @param size Size of the range. |
||
| 65 | * |
||
| 66 | * @return 0 on success, EPERM if the caller lacks the CAP_IO_MANAGER capability, |
||
| 67 | * ENOENT if there is no task with specified ID and ENOMEM if there |
||
| 68 | * was some problem in allocating memory. |
||
| 69 | */ |
||
| 1254 | jermar | 70 | int iospace_enable(task_id_t id, void *ioaddr, unsigned long size) |
| 1192 | jermar | 71 | { |
| 72 | ddi_ioarg_t arg; |
||
| 73 | |||
| 74 | arg.task_id = id; |
||
| 75 | arg.ioaddr = ioaddr; |
||
| 76 | arg.size = size; |
||
| 77 | |||
| 1254 | jermar | 78 | return __SYSCALL1(SYS_IOSPACE_ENABLE, (sysarg_t) &arg); |
| 1192 | jermar | 79 | } |
| 1213 | palkovsky | 80 | |
| 81 | /** Interrupt control |
||
| 82 | * |
||
| 83 | * @param enable 1 - enable interrupts, 0 - disable interrupts |
||
| 84 | */ |
||
| 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 | |
| 90 | |||
| 1719 | decky | 91 | /** @} |
| 1653 | cejka | 92 | */ |