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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Martin Decky |
2 | * Copyright (C) 2006 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 | #include <arch.h> |
29 | #include <arch.h> |
30 | #include <arch/boot/boot.h> |
30 | #include <arch/boot/boot.h> |
31 | #include <arch/mm/memory_init.h> |
31 | #include <arch/mm/memory_init.h> |
32 | #include <arch/interrupt.h> |
32 | #include <arch/interrupt.h> |
33 | #include <genarch/fb/fb.h> |
33 | #include <genarch/fb/fb.h> |
34 | #include <userspace.h> |
34 | #include <userspace.h> |
35 | #include <proc/uarg.h> |
35 | #include <proc/uarg.h> |
36 | #include <console/console.h> |
36 | #include <console/console.h> |
37 | 37 | ||
38 | bootinfo_t bootinfo; |
38 | bootinfo_t bootinfo; |
39 | 39 | ||
40 | void arch_pre_main(void) |
40 | void arch_pre_main(void) |
41 | { |
41 | { |
42 | /* Setup usermode */ |
42 | /* Setup usermode */ |
43 | init.cnt = bootinfo.taskmap.count; |
43 | init.cnt = bootinfo.taskmap.count; |
44 | 44 | ||
45 | __u32 i; |
45 | __u32 i; |
46 | 46 | ||
47 | for (i = 0; i < bootinfo.taskmap.count; i++) { |
47 | for (i = 0; i < bootinfo.taskmap.count; i++) { |
48 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
48 | init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
49 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
49 | init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
50 | } |
50 | } |
51 | } |
51 | } |
52 | 52 | ||
53 | void arch_pre_mm_init(void) |
53 | void arch_pre_mm_init(void) |
54 | { |
54 | { |
55 | /* Initialize dispatch table */ |
55 | /* Initialize dispatch table */ |
56 | interrupt_init(); |
56 | interrupt_init(); |
57 | 57 | ||
58 | /* Start decrementer */ |
58 | /* Start decrementer */ |
59 | start_decrementer(); |
59 | start_decrementer(); |
60 | } |
60 | } |
61 | 61 | ||
62 | void arch_post_mm_init(void) |
62 | void arch_post_mm_init(void) |
63 | { |
63 | { |
64 | if (config.cpu_active == 1) { |
64 | if (config.cpu_active == 1) { |
65 | fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline); |
65 | fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline); |
66 | 66 | ||
67 | /* Merge all zones to 1 big zone */ |
67 | /* Merge all zones to 1 big zone */ |
68 | zone_merge_all(); |
68 | zone_merge_all(); |
69 | } |
69 | } |
70 | } |
70 | } |
71 | 71 | ||
72 | void arch_pre_smp_init(void) |
72 | void arch_pre_smp_init(void) |
73 | { |
73 | { |
74 | memory_print_map(); |
74 | memory_print_map(); |
75 | } |
75 | } |
76 | 76 | ||
77 | void arch_post_smp_init(void) |
77 | void arch_post_smp_init(void) |
78 | { |
78 | { |
79 | } |
79 | } |
80 | 80 | ||
81 | void calibrate_delay_loop(void) |
81 | void calibrate_delay_loop(void) |
82 | { |
82 | { |
83 | } |
83 | } |
84 | 84 | ||
85 | void userspace(uspace_arg_t *kernel_uarg) |
85 | void userspace(uspace_arg_t *kernel_uarg) |
86 | { |
86 | { |
87 | userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry); |
87 | userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry); |
88 | 88 | ||
89 | /* Unreachable */ |
89 | /* Unreachable */ |
90 | for (;;) |
90 | for (;;) |
91 | ; |
91 | ; |
92 | } |
92 | } |
93 | 93 | ||
94 | /** Acquire console back for kernel |
94 | /** Acquire console back for kernel |
95 | * |
95 | * |
96 | */ |
96 | */ |
97 | void arch_grab_console(void) |
97 | void arch_grab_console(void) |
98 | { |
98 | { |
99 | } |
99 | } |
100 | /** Return console to userspace |
100 | /** Return console to userspace |
101 | * |
101 | * |
102 | */ |
102 | */ |
103 | void arch_release_console(void) |
103 | void arch_release_console(void) |
104 | { |
104 | { |
105 | } |
105 | } |
106 | 106 |