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210 | decky | 1 | /* |
2 | * Copyright (C) 2005 Martin Decky |
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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 | |||
1734 | decky | 29 | /** @addtogroup ppc32 |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
210 | decky | 35 | #include <arch.h> |
1132 | decky | 36 | #include <arch/boot/boot.h> |
990 | decky | 37 | #include <arch/drivers/cuda.h> |
970 | decky | 38 | #include <arch/mm/memory_init.h> |
1004 | decky | 39 | #include <arch/interrupt.h> |
1374 | decky | 40 | #include <genarch/fb/fb.h> |
1220 | decky | 41 | #include <userspace.h> |
42 | #include <proc/uarg.h> |
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1474 | palkovsky | 43 | #include <console/console.h> |
1480 | palkovsky | 44 | #include <arch/drivers/pic.h> |
970 | decky | 45 | |
1132 | decky | 46 | bootinfo_t bootinfo; |
47 | |||
1222 | decky | 48 | void arch_pre_main(void) |
49 | { |
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50 | /* Setup usermode */ |
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1370 | decky | 51 | init.cnt = bootinfo.taskmap.count; |
52 | |||
1780 | jermar | 53 | uint32_t i; |
1370 | decky | 54 | |
55 | for (i = 0; i < bootinfo.taskmap.count; i++) { |
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56 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
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57 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
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58 | } |
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1222 | decky | 59 | } |
60 | |||
210 | decky | 61 | void arch_pre_mm_init(void) |
62 | { |
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1004 | decky | 63 | /* Initialize dispatch table */ |
1007 | decky | 64 | interrupt_init(); |
1480 | palkovsky | 65 | |
1007 | decky | 66 | /* Start decrementer */ |
67 | start_decrementer(); |
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210 | decky | 68 | } |
69 | |||
70 | void arch_post_mm_init(void) |
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71 | { |
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1304 | palkovsky | 72 | if (config.cpu_active == 1) { |
1837 | jermar | 73 | fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline, false); |
1371 | decky | 74 | |
1480 | palkovsky | 75 | /* Initialize PIC */ |
1756 | decky | 76 | pic_init(bootinfo.keyboard.addr, PAGE_SIZE); |
1619 | decky | 77 | |
1756 | decky | 78 | cuda_init(bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE); |
1619 | decky | 79 | |
1304 | palkovsky | 80 | /* Merge all zones to 1 big zone */ |
81 | zone_merge_all(); |
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82 | } |
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210 | decky | 83 | } |
84 | |||
503 | jermar | 85 | void arch_pre_smp_init(void) |
210 | decky | 86 | { |
970 | decky | 87 | memory_print_map(); |
210 | decky | 88 | } |
89 | |||
503 | jermar | 90 | void arch_post_smp_init(void) |
91 | { |
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92 | } |
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93 | |||
210 | decky | 94 | void calibrate_delay_loop(void) |
95 | { |
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96 | } |
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1007 | decky | 97 | |
1220 | decky | 98 | void userspace(uspace_arg_t *kernel_uarg) |
99 | { |
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1780 | jermar | 100 | userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, (uintptr_t) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (uintptr_t) kernel_uarg->uspace_entry); |
1220 | decky | 101 | |
102 | /* Unreachable */ |
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103 | for (;;) |
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104 | ; |
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105 | } |
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1474 | palkovsky | 106 | |
107 | /** Acquire console back for kernel |
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108 | * |
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109 | */ |
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110 | void arch_grab_console(void) |
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111 | { |
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1734 | decky | 112 | cuda_grab(); |
1474 | palkovsky | 113 | } |
1734 | decky | 114 | |
1474 | palkovsky | 115 | /** Return console to userspace |
116 | * |
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117 | */ |
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118 | void arch_release_console(void) |
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119 | { |
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1734 | decky | 120 | cuda_release(); |
1474 | palkovsky | 121 | } |
1702 | cejka | 122 | |
1734 | decky | 123 | /** @} |
1702 | cejka | 124 | */ |