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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 <config.h> |
35 | #include <config.h> |
36 | #include <arch.h> |
36 | #include <arch.h> |
37 | #include <arch/boot/boot.h> |
37 | #include <arch/boot/boot.h> |
38 | #include <arch/drivers/cuda.h> |
38 | #include <arch/drivers/cuda.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 <genarch/fb/visuals.h> |
42 | #include <userspace.h> |
42 | #include <userspace.h> |
43 | #include <proc/uarg.h> |
43 | #include <proc/uarg.h> |
44 | #include <console/console.h> |
44 | #include <console/console.h> |
45 | #include <ddi/device.h> |
45 | #include <ddi/device.h> |
46 | #include <ddi/irq.h> |
46 | #include <ddi/irq.h> |
47 | #include <arch/drivers/pic.h> |
47 | #include <arch/drivers/pic.h> |
48 | 48 | ||
49 | #define IRQ_COUNT 64 |
49 | #define IRQ_COUNT 64 |
50 | 50 | ||
51 | bootinfo_t bootinfo; |
51 | bootinfo_t bootinfo; |
52 | 52 | ||
53 | void arch_pre_main(void) |
53 | void arch_pre_main(void) |
54 | { |
54 | { |
55 | /* Setup usermode */ |
55 | /* Setup usermode */ |
56 | init.cnt = bootinfo.taskmap.count; |
56 | init.cnt = bootinfo.taskmap.count; |
57 | 57 | ||
58 | uint32_t i; |
58 | uint32_t i; |
59 | 59 | ||
60 | for (i = 0; i < bootinfo.taskmap.count; i++) { |
60 | for (i = 0; i < bootinfo.taskmap.count; i++) { |
61 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
61 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
62 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
62 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
63 | } |
63 | } |
64 | } |
64 | } |
65 | 65 | ||
66 | void arch_pre_mm_init(void) |
66 | void arch_pre_mm_init(void) |
67 | { |
67 | { |
68 | /* Initialize dispatch table */ |
68 | /* Initialize dispatch table */ |
69 | interrupt_init(); |
69 | interrupt_init(); |
70 | 70 | ||
71 | /* Start decrementer */ |
71 | /* Start decrementer */ |
72 | start_decrementer(); |
72 | start_decrementer(); |
73 | } |
73 | } |
74 | 74 | ||
75 | void arch_post_mm_init(void) |
75 | void arch_post_mm_init(void) |
76 | { |
76 | { |
77 | if (config.cpu_active == 1) { |
77 | if (config.cpu_active == 1) { |
78 | /* Initialize framebuffer */ |
78 | /* Initialize framebuffer */ |
79 | if (bootinfo.screen.addr) { |
79 | if (bootinfo.screen.addr) { |
80 | unsigned int visual; |
80 | unsigned int visual; |
81 | 81 | ||
82 | switch (bootinfo.screen.bpp) { |
82 | switch (bootinfo.screen.bpp) { |
83 | case 8: |
83 | case 8: |
84 | visual = VISUAL_INDIRECT_8; |
84 | visual = VISUAL_INDIRECT_8; |
85 | break; |
85 | break; |
86 | case 16: |
86 | case 16: |
87 | visual = VISUAL_RGB_5_5_5; |
87 | visual = VISUAL_RGB_5_5_5; |
88 | break; |
88 | break; |
89 | case 24: |
89 | case 24: |
90 | visual = VISUAL_RGB_8_8_8; |
90 | visual = VISUAL_RGB_8_8_8; |
91 | break; |
91 | break; |
92 | case 32: |
92 | case 32: |
93 | visual = VISUAL_RGB_0_8_8_8; |
93 | visual = VISUAL_RGB_0_8_8_8; |
94 | break; |
94 | break; |
95 | default: |
95 | default: |
96 | panic("Unsupported bits per pixel."); |
96 | panic("Unsupported bits per pixel."); |
97 | } |
97 | } |
98 | fb_properties_t prop = { |
98 | fb_properties_t prop = { |
99 | .addr = bootinfo.screen.addr, |
99 | .addr = bootinfo.screen.addr, |
100 | .offset = 0, |
100 | .offset = 0, |
101 | .x = bootinfo.screen.width, |
101 | .x = bootinfo.screen.width, |
102 | .y = bootinfo.screen.height, |
102 | .y = bootinfo.screen.height, |
103 | .scan = bootinfo.screen.scanline, |
103 | .scan = bootinfo.screen.scanline, |
104 | .visual = visual, |
104 | .visual = visual, |
105 | }; |
105 | }; |
106 | fb_init(&prop); |
106 | fb_init(&prop); |
107 | } |
107 | } |
108 | 108 | ||
109 | /* Initialize IRQ routing */ |
109 | /* Initialize IRQ routing */ |
110 | irq_init(IRQ_COUNT, IRQ_COUNT); |
110 | irq_init(IRQ_COUNT, IRQ_COUNT); |
111 | 111 | ||
112 | if (bootinfo.macio.addr) { |
112 | if (bootinfo.macio.addr) { |
113 | /* Initialize PIC */ |
113 | /* Initialize PIC */ |
114 | pic_init(bootinfo.macio.addr, PAGE_SIZE); |
114 | pic_init(bootinfo.macio.addr, PAGE_SIZE); |
115 | 115 | ||
116 | /* Initialize I/O controller */ |
116 | /* Initialize I/O controller */ |
117 | cuda_init(device_assign_devno(), |
117 | cuda_init(device_assign_devno(), |
118 | bootinfo.macio.addr + 0x16000, 2 * PAGE_SIZE); |
118 | bootinfo.macio.addr + 0x16000, 2 * PAGE_SIZE); |
119 | } |
119 | } |
120 | 120 | ||
121 | /* Merge all zones to 1 big zone */ |
121 | /* Merge all zones to 1 big zone */ |
122 | zone_merge_all(); |
122 | zone_merge_all(); |
123 | } |
123 | } |
124 | } |
124 | } |
125 | 125 | ||
126 | void arch_post_cpu_init(void) |
126 | void arch_post_cpu_init(void) |
127 | { |
127 | { |
128 | } |
128 | } |
129 | 129 | ||
130 | void arch_pre_smp_init(void) |
130 | void arch_pre_smp_init(void) |
131 | { |
131 | { |
132 | } |
132 | } |
133 | 133 | ||
134 | void arch_post_smp_init(void) |
134 | void arch_post_smp_init(void) |
135 | { |
135 | { |
136 | } |
136 | } |
137 | 137 | ||
138 | void calibrate_delay_loop(void) |
138 | void calibrate_delay_loop(void) |
139 | { |
139 | { |
140 | } |
140 | } |
141 | 141 | ||
142 | void userspace(uspace_arg_t *kernel_uarg) |
142 | void userspace(uspace_arg_t *kernel_uarg) |
143 | { |
143 | { |
144 | userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, |
144 | userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, |
145 | (uintptr_t) kernel_uarg->uspace_stack + |
145 | (uintptr_t) kernel_uarg->uspace_stack + |
146 | THREAD_STACK_SIZE - SP_DELTA, |
146 | THREAD_STACK_SIZE - SP_DELTA, |
147 | (uintptr_t) kernel_uarg->uspace_entry); |
147 | (uintptr_t) kernel_uarg->uspace_entry); |
148 | 148 | ||
149 | /* Unreachable */ |
149 | /* Unreachable */ |
150 | for (;;) |
150 | while (true); |
151 | ; |
- | |
152 | } |
151 | } |
153 | 152 | ||
154 | /** Acquire console back for kernel |
153 | /** Acquire console back for kernel |
155 | * |
154 | * |
156 | */ |
155 | */ |
157 | void arch_grab_console(void) |
156 | void arch_grab_console(void) |
158 | { |
157 | { |
159 | fb_redraw(); |
158 | fb_redraw(); |
160 | cuda_grab(); |
159 | cuda_grab(); |
161 | } |
160 | } |
162 | 161 | ||
163 | /** Return console to userspace |
162 | /** Return console to userspace |
164 | * |
163 | * |
165 | */ |
164 | */ |
166 | void arch_release_console(void) |
165 | void arch_release_console(void) |
167 | { |
166 | { |
168 | cuda_release(); |
167 | cuda_release(); |
169 | } |
168 | } |
170 | 169 | ||
171 | /** @} |
170 | /** @} |
172 | */ |
171 | */ |
173 | 172 |