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Rev | Author | Line No. | Line |
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210 | decky | 1 | /* |
2071 | jermar | 2 | * Copyright (c) 2005 Martin Decky |
210 | 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 | |||
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 | |||
2089 | decky | 35 | #include <config.h> |
210 | decky | 36 | #include <arch.h> |
1132 | decky | 37 | #include <arch/boot/boot.h> |
990 | decky | 38 | #include <arch/drivers/cuda.h> |
1004 | decky | 39 | #include <arch/interrupt.h> |
1374 | decky | 40 | #include <genarch/fb/fb.h> |
1993 | decky | 41 | #include <genarch/fb/visuals.h> |
1220 | decky | 42 | #include <userspace.h> |
43 | #include <proc/uarg.h> |
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1474 | palkovsky | 44 | #include <console/console.h> |
1928 | decky | 45 | #include <ddi/device.h> |
46 | #include <ddi/irq.h> |
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1480 | palkovsky | 47 | #include <arch/drivers/pic.h> |
970 | decky | 48 | |
1928 | decky | 49 | #define IRQ_COUNT 64 |
50 | |||
1132 | decky | 51 | bootinfo_t bootinfo; |
52 | |||
1222 | decky | 53 | void arch_pre_main(void) |
54 | { |
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55 | /* Setup usermode */ |
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1370 | decky | 56 | init.cnt = bootinfo.taskmap.count; |
57 | |||
1780 | jermar | 58 | uint32_t i; |
1370 | decky | 59 | |
60 | for (i = 0; i < bootinfo.taskmap.count; i++) { |
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61 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
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62 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
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63 | } |
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1222 | decky | 64 | } |
65 | |||
210 | decky | 66 | void arch_pre_mm_init(void) |
67 | { |
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1004 | decky | 68 | /* Initialize dispatch table */ |
1007 | decky | 69 | interrupt_init(); |
1480 | palkovsky | 70 | |
1007 | decky | 71 | /* Start decrementer */ |
72 | start_decrementer(); |
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210 | decky | 73 | } |
74 | |||
75 | void arch_post_mm_init(void) |
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76 | { |
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1304 | palkovsky | 77 | if (config.cpu_active == 1) { |
1928 | decky | 78 | /* Initialize framebuffer */ |
3829 | decky | 79 | if (bootinfo.screen.addr) { |
80 | unsigned int visual; |
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81 | |||
82 | switch (bootinfo.screen.bpp) { |
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83 | case 8: |
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84 | visual = VISUAL_INDIRECT_8; |
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85 | break; |
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86 | case 16: |
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87 | visual = VISUAL_RGB_5_5_5; |
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88 | break; |
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89 | case 24: |
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90 | visual = VISUAL_RGB_8_8_8; |
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91 | break; |
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92 | case 32: |
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93 | visual = VISUAL_RGB_0_8_8_8; |
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94 | break; |
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95 | default: |
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96 | panic("Unsupported bits per pixel."); |
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97 | } |
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98 | fb_properties_t prop = { |
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99 | .addr = bootinfo.screen.addr, |
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100 | .offset = 0, |
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101 | .x = bootinfo.screen.width, |
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102 | .y = bootinfo.screen.height, |
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103 | .scan = bootinfo.screen.scanline, |
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104 | .visual = visual, |
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105 | }; |
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106 | fb_init(&prop); |
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1993 | decky | 107 | } |
108 | |||
1928 | decky | 109 | /* Initialize IRQ routing */ |
110 | irq_init(IRQ_COUNT, IRQ_COUNT); |
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1619 | decky | 111 | |
3829 | decky | 112 | if (bootinfo.macio.addr) { |
113 | /* Initialize PIC */ |
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114 | pic_init(bootinfo.macio.addr, PAGE_SIZE); |
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115 | |||
116 | /* Initialize I/O controller */ |
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117 | cuda_init(device_assign_devno(), |
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118 | bootinfo.macio.addr + 0x16000, 2 * PAGE_SIZE); |
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119 | } |
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1619 | decky | 120 | |
1304 | palkovsky | 121 | /* Merge all zones to 1 big zone */ |
122 | zone_merge_all(); |
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123 | } |
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210 | decky | 124 | } |
125 | |||
1901 | jermar | 126 | void arch_post_cpu_init(void) |
127 | { |
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128 | } |
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129 | |||
503 | jermar | 130 | void arch_pre_smp_init(void) |
210 | decky | 131 | { |
132 | } |
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133 | |||
503 | jermar | 134 | void arch_post_smp_init(void) |
135 | { |
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136 | } |
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137 | |||
210 | decky | 138 | void calibrate_delay_loop(void) |
139 | { |
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140 | } |
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1007 | decky | 141 | |
1220 | decky | 142 | void userspace(uspace_arg_t *kernel_uarg) |
143 | { |
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3672 | jermar | 144 | userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, |
145 | (uintptr_t) kernel_uarg->uspace_stack + |
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146 | THREAD_STACK_SIZE - SP_DELTA, |
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147 | (uintptr_t) kernel_uarg->uspace_entry); |
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1220 | decky | 148 | |
149 | /* Unreachable */ |
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150 | for (;;) |
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151 | ; |
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152 | } |
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1474 | palkovsky | 153 | |
154 | /** Acquire console back for kernel |
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155 | * |
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156 | */ |
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157 | void arch_grab_console(void) |
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158 | { |
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3738 | decky | 159 | fb_redraw(); |
1734 | decky | 160 | cuda_grab(); |
1474 | palkovsky | 161 | } |
1734 | decky | 162 | |
1474 | palkovsky | 163 | /** Return console to userspace |
164 | * |
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165 | */ |
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166 | void arch_release_console(void) |
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167 | { |
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1734 | decky | 168 | cuda_release(); |
1474 | palkovsky | 169 | } |
1702 | cejka | 170 | |
1734 | decky | 171 | /** @} |
1702 | cejka | 172 | */ |