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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4651 | pillai | 1 | /* |
| 2 | * Copyright (c) 2007 Michal Kebrt |
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| 3 | * Copyright (c) 2009 Vineeth Pillai |
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| 4 | * All rights reserved. |
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| 5 | * |
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| 6 | * Redistribution and use in source and binary forms, with or without |
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| 7 | * modification, are permitted provided that the following conditions |
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| 8 | * are met: |
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| 9 | * |
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| 10 | * - Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * - Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * - The name of the author may not be used to endorse or promote products |
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| 16 | * derived from this software without specific prior written permission. |
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| 17 | * |
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 28 | */ |
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| 29 | |||
| 30 | /** @addtogroup arm32 |
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| 31 | * @{ |
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| 32 | */ |
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| 33 | /** @file |
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| 34 | * @brief Declarations of machine specific functions. |
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| 35 | * |
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| 36 | * These functions enable to differentiate more kinds of ARM emulators |
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| 37 | * or CPUs. It's the same concept as "arch" functions on the architecture |
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| 38 | * level. |
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| 39 | */ |
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| 40 | |||
| 41 | #ifndef KERN_arm32_MACHINE_FUNC_H_ |
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| 42 | #define KERN_arm32_MACHINE_FUNC_H_ |
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| 43 | |||
| 44 | #include <console/console.h> |
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| 45 | #include <arch/types.h> |
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| 46 | #include <arch/exception.h> |
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| 47 | |||
| 48 | #define MACHINE_GENFUNC machine_genfunc |
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| 49 | |||
| 50 | struct arm_machine_ops { |
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| 51 | void (*machine_grab_console)(void); |
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| 52 | void (*machine_release_console)(void); |
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| 53 | void (*machine_init)(void); |
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| 54 | void (*machine_timer_irq_start)(void); |
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| 55 | void (*machine_cpu_halt)(void); |
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| 56 | uintptr_t (*machine_get_memory_size)(void); |
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| 57 | void (*machine_fb_init)(void); |
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| 58 | void (*machine_irq_exception)(int, istate_t*); |
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| 59 | uintptr_t (*machine_get_fb_address)(void); |
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| 60 | void (*machine_frame_init)(void); |
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| 61 | void (*machine_output_init)(void); |
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| 62 | void (*machine_input_init)(void); |
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| 63 | }; |
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| 64 | |||
| 65 | extern struct arm_machine_ops machine_ops; |
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| 66 | |||
| 67 | |||
| 68 | /** Acquire console back for kernel. */ |
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| 69 | extern void machine_grab_console(void); |
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| 70 | |||
| 71 | /** Return console to userspace. */ |
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| 72 | extern void machine_release_console(void); |
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| 73 | |||
| 74 | |||
| 75 | /** Maps HW devices to the kernel address space using #hw_map. */ |
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| 76 | extern void machine_init(void); |
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| 77 | |||
| 78 | |||
| 79 | /** Starts timer. */ |
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| 80 | extern void machine_timer_irq_start(void); |
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| 81 | |||
| 82 | |||
| 83 | /** Halts CPU. */ |
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| 84 | extern void machine_cpu_halt(void); |
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| 85 | |||
| 86 | |||
| 87 | /** Returns size of available memory. |
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| 88 | * |
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| 89 | * @return Size of available memory. |
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| 90 | */ |
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| 91 | extern uintptr_t machine_get_memory_size(void); |
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| 92 | |||
| 93 | /** Initializes the Frame Buffer |
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| 94 | * |
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| 95 | */ |
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| 96 | extern void machine_fb_init(void); |
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| 97 | |||
| 98 | |||
| 99 | /** Interrupt exception handler. |
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| 100 | * |
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| 101 | * @param exc_no Interrupt exception number. |
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| 102 | * @param istate Saved processor state. |
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| 103 | */ |
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| 104 | extern void machine_irq_exception(int exc_no, istate_t *istate); |
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| 105 | |||
| 106 | |||
| 107 | /** Returns address of framebuffer device. |
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| 108 | * |
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| 109 | * @return Address of framebuffer device. |
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| 110 | */ |
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| 111 | extern uintptr_t machine_get_fb_address(void); |
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| 112 | |||
| 113 | /* |
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| 114 | * Machine specific frame initialization |
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| 115 | */ |
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| 116 | extern void machine_frame_init(void); |
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| 117 | |||
| 118 | /* |
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| 119 | * configure the serial line output device. |
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| 120 | */ |
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| 121 | extern void machine_output_init(void); |
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| 122 | |||
| 123 | /* |
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| 124 | * configure the serial line input device. |
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| 125 | */ |
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| 126 | extern void machine_input_init(void); |
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| 127 | |||
| 128 | extern void machine_genfunc(void); |
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| 129 | #endif |
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| 130 | |||
| 131 | /** @} |
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| 132 | */ |