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| Rev | Author | Line No. | Line |
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| 4651 | pillai | 1 | /* |
| 2 | * Copyright (c) 2009 Vineeth Pillai |
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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 | |||
| 29 | /** @addtogroup arm32 |
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| 30 | * @{ |
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| 31 | */ |
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| 32 | /** @file |
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| 33 | * @brief Definitions of machine specific functions. |
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| 34 | * |
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| 35 | * These functions enable to differentiate more kinds of ARM emulators |
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| 36 | * or CPUs. It's the same concept as "arch" functions on the architecture |
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| 37 | * level. |
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| 38 | */ |
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| 39 | |||
| 40 | #include <arch/machine_func.h> |
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| 41 | |||
| 42 | |||
| 43 | /** Acquire console back for kernel. */ |
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| 44 | void machine_grab_console(void) |
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| 45 | { |
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| 46 | (machine_ops.machine_grab_console)(); |
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| 47 | } |
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| 48 | |||
| 49 | /** Return console to userspace. */ |
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| 50 | void machine_release_console(void) |
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| 51 | { |
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| 52 | (machine_ops.machine_release_console)(); |
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| 53 | } |
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| 54 | |||
| 55 | |||
| 56 | /** Maps HW devices to the kernel address space using #hw_map. */ |
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| 57 | void machine_init(void) |
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| 58 | { |
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| 59 | (machine_ops.machine_init)(); |
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| 60 | } |
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| 61 | |||
| 62 | |||
| 63 | /** Starts timer. */ |
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| 64 | void machine_timer_irq_start(void) |
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| 65 | { |
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| 66 | (machine_ops.machine_timer_irq_start)(); |
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| 67 | } |
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| 68 | |||
| 69 | |||
| 70 | /** Halts CPU. */ |
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| 71 | void machine_cpu_halt(void) |
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| 72 | { |
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| 73 | (machine_ops.machine_cpu_halt)(); |
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| 74 | } |
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| 75 | |||
| 76 | |||
| 77 | /** Returns size of available memory. |
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| 78 | * |
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| 79 | * @return Size of available memory. |
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| 80 | */ |
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| 81 | uintptr_t machine_get_memory_size(void) |
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| 82 | { |
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| 83 | return (machine_ops.machine_get_memory_size)(); |
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| 84 | } |
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| 85 | |||
| 86 | /** Initializes the Frame Buffer |
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| 87 | * |
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| 88 | */ |
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| 89 | void machine_fb_init(void) |
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| 90 | { |
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| 91 | (machine_ops.machine_fb_init)(); |
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| 92 | } |
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| 93 | |||
| 94 | |||
| 95 | /** Interrupt exception handler. |
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| 96 | * |
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| 97 | * @param exc_no Interrupt exception number. |
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| 98 | * @param istate Saved processor state. |
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| 99 | */ |
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| 100 | void machine_irq_exception(int exc_no, istate_t *istate) |
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| 101 | { |
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| 102 | (machine_ops.machine_irq_exception)(exc_no, istate); |
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| 103 | } |
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| 104 | |||
| 105 | |||
| 106 | /** Returns address of framebuffer device. |
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| 107 | * |
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| 108 | * @return Address of framebuffer device. |
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| 109 | */ |
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| 110 | uintptr_t machine_get_fb_address(void) |
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| 111 | { |
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| 112 | return (machine_ops.machine_get_fb_address)(); |
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| 113 | } |
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| 114 | |||
| 115 | /* |
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| 116 | * Machine specific frame initialization |
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| 117 | */ |
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| 118 | void machine_frame_init(void) |
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| 119 | { |
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| 120 | (machine_ops.machine_frame_init)(); |
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| 121 | } |
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| 122 | |||
| 123 | /* |
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| 124 | * configure the output device. |
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| 125 | */ |
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| 126 | void machine_output_init(void) |
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| 127 | { |
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| 128 | (machine_ops.machine_output_init)(); |
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| 129 | } |
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| 130 | |||
| 131 | /* |
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| 132 | * configure the input device. |
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| 133 | */ |
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| 134 | void machine_input_init(void) |
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| 135 | { |
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| 136 | (machine_ops.machine_input_init)(); |
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| 137 | } |
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| 138 | |||
| 139 | /* |
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| 140 | * Generic function to use, if sepcific function doesn't define any of the above functions. |
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| 141 | */ |
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| 142 | void machine_genfunc() |
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| 143 | { |
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| 144 | } |
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| 145 | |||
| 146 | /** @} |
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| 147 | */ |