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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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> |
| 1928 | decky | 44 | #include <ddi/device.h> |
| 45 | #include <ddi/irq.h> |
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| 1480 | palkovsky | 46 | #include <arch/drivers/pic.h> |
| 970 | decky | 47 | |
| 1928 | decky | 48 | #define IRQ_COUNT 64 |
| 49 | |||
| 1132 | decky | 50 | bootinfo_t bootinfo; |
| 51 | |||
| 1222 | decky | 52 | void arch_pre_main(void) |
| 53 | { |
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| 54 | /* Setup usermode */ |
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| 1370 | decky | 55 | init.cnt = bootinfo.taskmap.count; |
| 56 | |||
| 1780 | jermar | 57 | uint32_t i; |
| 1370 | decky | 58 | |
| 59 | for (i = 0; i < bootinfo.taskmap.count; i++) { |
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| 60 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
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| 61 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
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| 62 | } |
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| 1222 | decky | 63 | } |
| 64 | |||
| 210 | decky | 65 | void arch_pre_mm_init(void) |
| 66 | { |
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| 1004 | decky | 67 | /* Initialize dispatch table */ |
| 1007 | decky | 68 | interrupt_init(); |
| 1480 | palkovsky | 69 | |
| 1007 | decky | 70 | /* Start decrementer */ |
| 71 | start_decrementer(); |
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| 210 | decky | 72 | } |
| 73 | |||
| 74 | void arch_post_mm_init(void) |
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| 75 | { |
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| 1304 | palkovsky | 76 | if (config.cpu_active == 1) { |
| 1928 | decky | 77 | /* Initialize framebuffer */ |
| 1837 | jermar | 78 | fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline, false); |
| 1928 | decky | 79 | |
| 80 | /* Initialize IRQ routing */ |
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| 81 | irq_init(IRQ_COUNT, IRQ_COUNT); |
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| 1371 | decky | 82 | |
| 1480 | palkovsky | 83 | /* Initialize PIC */ |
| 1756 | decky | 84 | pic_init(bootinfo.keyboard.addr, PAGE_SIZE); |
| 1619 | decky | 85 | |
| 1928 | decky | 86 | /* Initialize I/O controller */ |
| 87 | cuda_init(device_assign_devno(), bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE); |
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| 1619 | decky | 88 | |
| 1304 | palkovsky | 89 | /* Merge all zones to 1 big zone */ |
| 90 | zone_merge_all(); |
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| 91 | } |
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| 210 | decky | 92 | } |
| 93 | |||
| 1901 | jermar | 94 | void arch_post_cpu_init(void) |
| 95 | { |
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| 96 | } |
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| 97 | |||
| 503 | jermar | 98 | void arch_pre_smp_init(void) |
| 210 | decky | 99 | { |
| 970 | decky | 100 | memory_print_map(); |
| 210 | decky | 101 | } |
| 102 | |||
| 503 | jermar | 103 | void arch_post_smp_init(void) |
| 104 | { |
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| 105 | } |
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| 106 | |||
| 210 | decky | 107 | void calibrate_delay_loop(void) |
| 108 | { |
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| 109 | } |
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| 1007 | decky | 110 | |
| 1220 | decky | 111 | void userspace(uspace_arg_t *kernel_uarg) |
| 112 | { |
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| 1780 | jermar | 113 | 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 | 114 | |
| 115 | /* Unreachable */ |
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| 116 | for (;;) |
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| 117 | ; |
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| 118 | } |
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| 1474 | palkovsky | 119 | |
| 120 | /** Acquire console back for kernel |
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| 121 | * |
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| 122 | */ |
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| 123 | void arch_grab_console(void) |
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| 124 | { |
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| 1734 | decky | 125 | cuda_grab(); |
| 1474 | palkovsky | 126 | } |
| 1734 | decky | 127 | |
| 1474 | palkovsky | 128 | /** Return console to userspace |
| 129 | * |
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| 130 | */ |
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| 131 | void arch_release_console(void) |
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| 132 | { |
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| 1734 | decky | 133 | cuda_release(); |
| 1474 | palkovsky | 134 | } |
| 1702 | cejka | 135 | |
| 1734 | decky | 136 | /** @} |
| 1702 | cejka | 137 | */ |