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1160 | decky | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2006 Martin Decky |
1160 | decky | 3 | * All rights reserved. |
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 | |||
1837 | jermar | 29 | /** @addtogroup ppc64 |
1702 | cejka | 30 | * @{ |
31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |||
1160 | decky | 35 | #include <arch.h> |
36 | #include <arch/boot/boot.h> |
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37 | #include <arch/mm/memory_init.h> |
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38 | #include <arch/interrupt.h> |
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1398 | decky | 39 | #include <genarch/fb/fb.h> |
1993 | decky | 40 | #include <genarch/fb/visuals.h> |
1398 | decky | 41 | #include <userspace.h> |
42 | #include <proc/uarg.h> |
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1474 | palkovsky | 43 | #include <console/console.h> |
1160 | decky | 44 | |
45 | bootinfo_t bootinfo; |
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46 | |||
1398 | decky | 47 | void arch_pre_main(void) |
48 | { |
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49 | /* Setup usermode */ |
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50 | init.cnt = bootinfo.taskmap.count; |
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51 | |||
1780 | jermar | 52 | uint32_t i; |
1398 | decky | 53 | |
54 | for (i = 0; i < bootinfo.taskmap.count; i++) { |
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55 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
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56 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
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57 | } |
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58 | } |
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59 | |||
1160 | decky | 60 | void arch_pre_mm_init(void) |
61 | { |
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62 | /* Initialize dispatch table */ |
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63 | interrupt_init(); |
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64 | |||
65 | /* Start decrementer */ |
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66 | start_decrementer(); |
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67 | } |
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68 | |||
69 | void arch_post_mm_init(void) |
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70 | { |
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1304 | palkovsky | 71 | if (config.cpu_active == 1) { |
1993 | decky | 72 | /* Initialize framebuffer */ |
73 | unsigned int visual; |
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74 | |||
75 | switch (bootinfo.screen.bpp) { |
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76 | case 8: |
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77 | visual = VISUAL_INDIRECT_8; |
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78 | break; |
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79 | case 16: |
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80 | visual = VISUAL_RGB_5_5_5; |
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81 | break; |
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82 | case 24: |
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83 | visual = VISUAL_RGB_8_8_8; |
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84 | break; |
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85 | case 32: |
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86 | visual = VISUAL_RGB_0_8_8_8; |
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87 | break; |
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88 | default: |
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89 | panic("Unsupported bits per pixel"); |
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90 | } |
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91 | fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual); |
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92 | |||
1398 | decky | 93 | |
1304 | palkovsky | 94 | /* Merge all zones to 1 big zone */ |
95 | zone_merge_all(); |
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96 | } |
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1160 | decky | 97 | } |
98 | |||
1901 | jermar | 99 | void arch_post_cpu_init(void) |
100 | { |
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101 | } |
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102 | |||
1160 | decky | 103 | void arch_pre_smp_init(void) |
104 | { |
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105 | } |
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106 | |||
107 | void arch_post_smp_init(void) |
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108 | { |
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109 | } |
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110 | |||
111 | void calibrate_delay_loop(void) |
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112 | { |
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113 | } |
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114 | |||
1398 | decky | 115 | void userspace(uspace_arg_t *kernel_uarg) |
116 | { |
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1780 | jermar | 117 | 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); |
1398 | decky | 118 | |
119 | /* Unreachable */ |
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120 | for (;;) |
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121 | ; |
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122 | } |
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1474 | palkovsky | 123 | |
124 | /** Acquire console back for kernel |
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125 | * |
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126 | */ |
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127 | void arch_grab_console(void) |
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128 | { |
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129 | } |
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2227 | decky | 130 | |
1474 | palkovsky | 131 | /** Return console to userspace |
132 | * |
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133 | */ |
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134 | void arch_release_console(void) |
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135 | { |
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136 | } |
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1702 | cejka | 137 | |
2227 | decky | 138 | void arch_reboot(void) |
139 | { |
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140 | // TODO |
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141 | while (1); |
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142 | } |
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143 | |||
1837 | jermar | 144 | /** @} |
1702 | cejka | 145 | */ |