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| 2274 | kebrt | 1 | /* |
| 2 | * Copyright (c) 2007 Michal Kebrt |
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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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| 2356 | kebrt | 33 | * @brief Declarations of machine specific functions. |
| 2412 | kebrt | 34 | * |
| 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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| 2274 | kebrt | 38 | */ |
| 39 | |||
| 40 | #ifndef KERN_arm32_MACHINE_H_ |
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| 41 | #define KERN_arm32_MACHINE_H_ |
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| 42 | |||
| 43 | #include <console/console.h> |
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| 44 | #include <arch/types.h> |
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| 2306 | kebrt | 45 | #include <arch/exception.h> |
| 2358 | kebrt | 46 | #include <arch/drivers/gxemul.h> |
| 2274 | kebrt | 47 | |
| 2357 | kebrt | 48 | |
| 49 | /** Initializes console. |
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| 50 | * |
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| 51 | * @param devno Console device number. |
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| 52 | */ |
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| 2306 | kebrt | 53 | extern void machine_console_init(devno_t devno); |
| 2357 | kebrt | 54 | |
| 2412 | kebrt | 55 | |
| 2357 | kebrt | 56 | /** Acquire console back for kernel. */ |
| 2306 | kebrt | 57 | extern void machine_grab_console(void); |
| 2357 | kebrt | 58 | |
| 2412 | kebrt | 59 | |
| 2357 | kebrt | 60 | /** Return console to userspace. */ |
| 2306 | kebrt | 61 | extern void machine_release_console(void); |
| 2357 | kebrt | 62 | |
| 2412 | kebrt | 63 | |
| 2357 | kebrt | 64 | /** Maps HW devices to the kernel address space using #hw_map. */ |
| 2306 | kebrt | 65 | extern void machine_hw_map_init(void); |
| 2357 | kebrt | 66 | |
| 2412 | kebrt | 67 | |
| 2357 | kebrt | 68 | /** Starts timer. */ |
| 2306 | kebrt | 69 | extern void machine_timer_irq_start(void); |
| 2357 | kebrt | 70 | |
| 2412 | kebrt | 71 | |
| 2357 | kebrt | 72 | /** Halts CPU. */ |
| 73 | extern void machine_cpu_halt(void); |
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| 74 | |||
| 75 | |||
| 76 | /** Returns size of available memory. |
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| 77 | * |
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| 78 | * @return Size of available memory. |
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| 79 | */ |
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| 2306 | kebrt | 80 | extern size_t machine_get_memory_size(void); |
| 2357 | kebrt | 81 | |
| 82 | |||
| 83 | /** Prints a character. |
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| 84 | * |
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| 85 | * @param ch Character to be printed. |
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| 86 | */ |
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| 2306 | kebrt | 87 | extern void machine_debug_putc(char ch); |
| 2357 | kebrt | 88 | |
| 89 | |||
| 90 | /** Interrupt exception handler. |
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| 91 | * |
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| 92 | * @param exc_no Interrupt exception number. |
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| 93 | * @param istate Saved processor state. |
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| 94 | */ |
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| 2306 | kebrt | 95 | extern void machine_irq_exception(int exc_no, istate_t *istate); |
| 2357 | kebrt | 96 | |
| 97 | |||
| 2412 | kebrt | 98 | /** Returns address of framebuffer device. |
| 99 | * |
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| 100 | * @return Address of framebuffer device. |
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| 101 | */ |
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| 2341 | kebrt | 102 | extern uintptr_t machine_get_fb_address(void); |
| 2274 | kebrt | 103 | |
| 2358 | kebrt | 104 | |
| 105 | #ifdef MACHINE_GXEMUL_TESTARM |
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| 2464 | jermar | 106 | #define machine_console_init(devno) gxemul_console_init(devno) |
| 107 | #define machine_grab_console gxemul_grab_console |
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| 108 | #define machine_release_console gxemul_release_console |
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| 109 | #define machine_hw_map_init gxemul_hw_map_init |
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| 110 | #define machine_timer_irq_start gxemul_timer_irq_start |
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| 111 | #define machine_cpu_halt gxemul_cpu_halt |
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| 112 | #define machine_get_memory_size gxemul_get_memory_size |
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| 113 | #define machine_debug_putc(ch) gxemul_debug_putc(ch) |
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| 114 | #define machine_irq_exception(exc_no, istate) \ |
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| 115 | gxemul_irq_exception(exc_no, istate) |
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| 116 | #define machine_get_fb_address gxemul_get_fb_address |
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| 2274 | kebrt | 117 | #endif |
| 118 | |||
| 2358 | kebrt | 119 | #endif |
| 120 | |||
| 2274 | kebrt | 121 | /** @} |
| 122 | */ |