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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Martin Decky |
2 | * Copyright (C) 2005 Martin Decky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup ppc32 |
29 | /** @addtogroup ppc32 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <arch.h> |
35 | #include <arch.h> |
36 | #include <arch/boot/boot.h> |
36 | #include <arch/boot/boot.h> |
37 | #include <arch/drivers/cuda.h> |
37 | #include <arch/drivers/cuda.h> |
38 | #include <arch/mm/memory_init.h> |
38 | #include <arch/mm/memory_init.h> |
39 | #include <arch/interrupt.h> |
39 | #include <arch/interrupt.h> |
40 | #include <genarch/fb/fb.h> |
40 | #include <genarch/fb/fb.h> |
- | 41 | #include <genarch/fb/visuals.h> |
|
41 | #include <userspace.h> |
42 | #include <userspace.h> |
42 | #include <proc/uarg.h> |
43 | #include <proc/uarg.h> |
43 | #include <console/console.h> |
44 | #include <console/console.h> |
44 | #include <ddi/device.h> |
45 | #include <ddi/device.h> |
45 | #include <ddi/irq.h> |
46 | #include <ddi/irq.h> |
46 | #include <arch/drivers/pic.h> |
47 | #include <arch/drivers/pic.h> |
47 | 48 | ||
48 | #define IRQ_COUNT 64 |
49 | #define IRQ_COUNT 64 |
49 | 50 | ||
50 | bootinfo_t bootinfo; |
51 | bootinfo_t bootinfo; |
51 | 52 | ||
52 | void arch_pre_main(void) |
53 | void arch_pre_main(void) |
53 | { |
54 | { |
54 | /* Setup usermode */ |
55 | /* Setup usermode */ |
55 | init.cnt = bootinfo.taskmap.count; |
56 | init.cnt = bootinfo.taskmap.count; |
56 | 57 | ||
57 | uint32_t i; |
58 | uint32_t i; |
58 | 59 | ||
59 | for (i = 0; i < bootinfo.taskmap.count; i++) { |
60 | for (i = 0; i < bootinfo.taskmap.count; i++) { |
60 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
61 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
61 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
62 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
62 | } |
63 | } |
63 | } |
64 | } |
64 | 65 | ||
65 | void arch_pre_mm_init(void) |
66 | void arch_pre_mm_init(void) |
66 | { |
67 | { |
67 | /* Initialize dispatch table */ |
68 | /* Initialize dispatch table */ |
68 | interrupt_init(); |
69 | interrupt_init(); |
69 | 70 | ||
70 | /* Start decrementer */ |
71 | /* Start decrementer */ |
71 | start_decrementer(); |
72 | start_decrementer(); |
72 | } |
73 | } |
73 | 74 | ||
74 | void arch_post_mm_init(void) |
75 | void arch_post_mm_init(void) |
75 | { |
76 | { |
76 | if (config.cpu_active == 1) { |
77 | if (config.cpu_active == 1) { |
77 | /* Initialize framebuffer */ |
78 | /* Initialize framebuffer */ |
- | 79 | unsigned int visual; |
|
- | 80 | ||
- | 81 | switch (bootinfo.screen.bpp) { |
|
- | 82 | case 8: |
|
- | 83 | visual = VISUAL_INDIRECT_8; |
|
- | 84 | break; |
|
- | 85 | case 16: |
|
- | 86 | visual = VISUAL_RGB_5_5_5; |
|
- | 87 | break; |
|
- | 88 | case 24: |
|
- | 89 | visual = VISUAL_RGB_8_8_8; |
|
- | 90 | break; |
|
- | 91 | case 32: |
|
- | 92 | visual = VISUAL_RGB_0_8_8_8; |
|
- | 93 | break; |
|
- | 94 | default: |
|
- | 95 | panic("Unsupported bits per pixel"); |
|
- | 96 | } |
|
78 | fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline, false); |
97 | fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.scanline, visual); |
79 | 98 | ||
80 | /* Initialize IRQ routing */ |
99 | /* Initialize IRQ routing */ |
81 | irq_init(IRQ_COUNT, IRQ_COUNT); |
100 | irq_init(IRQ_COUNT, IRQ_COUNT); |
82 | 101 | ||
83 | /* Initialize PIC */ |
102 | /* Initialize PIC */ |
84 | pic_init(bootinfo.keyboard.addr, PAGE_SIZE); |
103 | pic_init(bootinfo.keyboard.addr, PAGE_SIZE); |
85 | 104 | ||
86 | /* Initialize I/O controller */ |
105 | /* Initialize I/O controller */ |
87 | cuda_init(device_assign_devno(), bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE); |
106 | cuda_init(device_assign_devno(), bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE); |
88 | 107 | ||
89 | /* Merge all zones to 1 big zone */ |
108 | /* Merge all zones to 1 big zone */ |
90 | zone_merge_all(); |
109 | zone_merge_all(); |
91 | } |
110 | } |
92 | } |
111 | } |
93 | 112 | ||
94 | void arch_post_cpu_init(void) |
113 | void arch_post_cpu_init(void) |
95 | { |
114 | { |
96 | } |
115 | } |
97 | 116 | ||
98 | void arch_pre_smp_init(void) |
117 | void arch_pre_smp_init(void) |
99 | { |
118 | { |
100 | memory_print_map(); |
119 | memory_print_map(); |
101 | } |
120 | } |
102 | 121 | ||
103 | void arch_post_smp_init(void) |
122 | void arch_post_smp_init(void) |
104 | { |
123 | { |
105 | } |
124 | } |
106 | 125 | ||
107 | void calibrate_delay_loop(void) |
126 | void calibrate_delay_loop(void) |
108 | { |
127 | { |
109 | } |
128 | } |
110 | 129 | ||
111 | void userspace(uspace_arg_t *kernel_uarg) |
130 | void userspace(uspace_arg_t *kernel_uarg) |
112 | { |
131 | { |
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); |
132 | 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); |
114 | 133 | ||
115 | /* Unreachable */ |
134 | /* Unreachable */ |
116 | for (;;) |
135 | for (;;) |
117 | ; |
136 | ; |
118 | } |
137 | } |
119 | 138 | ||
120 | /** Acquire console back for kernel |
139 | /** Acquire console back for kernel |
121 | * |
140 | * |
122 | */ |
141 | */ |
123 | void arch_grab_console(void) |
142 | void arch_grab_console(void) |
124 | { |
143 | { |
125 | cuda_grab(); |
144 | cuda_grab(); |
126 | } |
145 | } |
127 | 146 | ||
128 | /** Return console to userspace |
147 | /** Return console to userspace |
129 | * |
148 | * |
130 | */ |
149 | */ |
131 | void arch_release_console(void) |
150 | void arch_release_console(void) |
132 | { |
151 | { |
133 | cuda_release(); |
152 | cuda_release(); |
134 | } |
153 | } |
135 | 154 | ||
136 | /** @} |
155 | /** @} |
137 | */ |
156 | */ |
138 | 157 |