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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 <userspace.h> |
41 | #include <userspace.h> |
42 | #include <proc/uarg.h> |
42 | #include <proc/uarg.h> |
43 | #include <console/console.h> |
43 | #include <console/console.h> |
44 | #include <arch/drivers/pic.h> |
44 | #include <arch/drivers/pic.h> |
45 | 45 | ||
46 | bootinfo_t bootinfo; |
46 | bootinfo_t bootinfo; |
47 | 47 | ||
48 | void arch_pre_main(void) |
48 | void arch_pre_main(void) |
49 | { |
49 | { |
50 | /* Setup usermode */ |
50 | /* Setup usermode */ |
51 | init.cnt = bootinfo.taskmap.count; |
51 | init.cnt = bootinfo.taskmap.count; |
52 | 52 | ||
53 | uint32_t i; |
53 | uint32_t i; |
54 | 54 | ||
55 | for (i = 0; i < bootinfo.taskmap.count; i++) { |
55 | for (i = 0; i < bootinfo.taskmap.count; i++) { |
56 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
56 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
57 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
57 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
58 | } |
58 | } |
59 | } |
59 | } |
60 | 60 | ||
61 | void arch_pre_mm_init(void) |
61 | void arch_pre_mm_init(void) |
62 | { |
62 | { |
63 | /* Initialize dispatch table */ |
63 | /* Initialize dispatch table */ |
64 | interrupt_init(); |
64 | interrupt_init(); |
65 | 65 | ||
66 | /* Start decrementer */ |
66 | /* Start decrementer */ |
67 | start_decrementer(); |
67 | start_decrementer(); |
68 | } |
68 | } |
69 | 69 | ||
70 | void arch_post_mm_init(void) |
70 | void arch_post_mm_init(void) |
71 | { |
71 | { |
72 | if (config.cpu_active == 1) { |
72 | if (config.cpu_active == 1) { |
73 | fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline); |
73 | fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline); |
74 | 74 | ||
75 | /* Initialize PIC */ |
75 | /* Initialize PIC */ |
76 | pic_init(bootinfo.keyboard.addr, PAGE_SIZE); |
76 | pic_init(bootinfo.keyboard.addr, PAGE_SIZE); |
77 | 77 | ||
78 | cuda_init(bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE); |
78 | cuda_init(bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE); |
79 | 79 | ||
80 | /* Merge all zones to 1 big zone */ |
80 | /* Merge all zones to 1 big zone */ |
81 | zone_merge_all(); |
81 | zone_merge_all(); |
82 | } |
82 | } |
83 | } |
83 | } |
84 | 84 | ||
85 | void arch_pre_smp_init(void) |
85 | void arch_pre_smp_init(void) |
86 | { |
86 | { |
87 | memory_print_map(); |
87 | memory_print_map(); |
88 | } |
88 | } |
89 | 89 | ||
90 | void arch_post_smp_init(void) |
90 | void arch_post_smp_init(void) |
91 | { |
91 | { |
92 | } |
92 | } |
93 | 93 | ||
94 | void calibrate_delay_loop(void) |
94 | void calibrate_delay_loop(void) |
95 | { |
95 | { |
96 | } |
96 | } |
97 | 97 | ||
98 | void userspace(uspace_arg_t *kernel_uarg) |
98 | void userspace(uspace_arg_t *kernel_uarg) |
99 | { |
99 | { |
100 | 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); |
100 | 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); |
101 | 101 | ||
102 | /* Unreachable */ |
102 | /* Unreachable */ |
103 | for (;;) |
103 | for (;;) |
104 | ; |
104 | ; |
105 | } |
105 | } |
106 | 106 | ||
107 | /** Acquire console back for kernel |
107 | /** Acquire console back for kernel |
108 | * |
108 | * |
109 | */ |
109 | */ |
110 | void arch_grab_console(void) |
110 | void arch_grab_console(void) |
111 | { |
111 | { |
112 | cuda_grab(); |
112 | cuda_grab(); |
113 | } |
113 | } |
114 | 114 | ||
115 | /** Return console to userspace |
115 | /** Return console to userspace |
116 | * |
116 | * |
117 | */ |
117 | */ |
118 | void arch_release_console(void) |
118 | void arch_release_console(void) |
119 | { |
119 | { |
120 | cuda_release(); |
120 | cuda_release(); |
121 | } |
121 | } |
122 | 122 | ||
123 | /** @} |
123 | /** @} |
124 | */ |
124 | */ |
125 | 125 |