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1 | /* |
1 | /* |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
2 | * Copyright (C) 2001-2004 Jakub Jermar |
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 xen32 |
29 | /** @addtogroup xen32 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <arch.h> |
35 | #include <arch.h> |
36 | 36 | ||
37 | #include <arch/types.h> |
37 | #include <arch/types.h> |
38 | #include <typedefs.h> |
38 | #include <typedefs.h> |
39 | 39 | ||
40 | #include <arch/pm.h> |
40 | #include <arch/pm.h> |
41 | 41 | ||
42 | #include <arch/drivers/ega.h> |
- | |
43 | #include <arch/drivers/vesa.h> |
42 | #include <arch/drivers/xconsole.h> |
44 | #include <genarch/i8042/i8042.h> |
- | |
45 | #include <arch/drivers/i8254.h> |
- | |
46 | #include <arch/drivers/i8259.h> |
- | |
47 | 43 | ||
48 | #include <arch/context.h> |
44 | #include <arch/context.h> |
49 | 45 | ||
50 | #include <config.h> |
46 | #include <config.h> |
51 | 47 | ||
52 | #include <arch/interrupt.h> |
48 | #include <arch/interrupt.h> |
53 | #include <arch/asm.h> |
49 | #include <arch/asm.h> |
54 | #include <genarch/acpi/acpi.h> |
50 | #include <genarch/acpi/acpi.h> |
55 | 51 | ||
56 | #include <arch/bios/bios.h> |
52 | #include <arch/bios/bios.h> |
57 | 53 | ||
58 | #include <arch/boot/boot.h> |
54 | #include <arch/boot/boot.h> |
59 | #include <arch/mm/memory_init.h> |
55 | #include <arch/mm/memory_init.h> |
60 | #include <interrupt.h> |
56 | #include <interrupt.h> |
61 | #include <arch/debugger.h> |
57 | #include <arch/debugger.h> |
62 | #include <proc/thread.h> |
58 | #include <proc/thread.h> |
63 | #include <syscall/syscall.h> |
59 | #include <syscall/syscall.h> |
64 | #include <console/console.h> |
60 | #include <console/console.h> |
65 | 61 | ||
66 | start_info_t start_info; |
62 | start_info_t start_info; |
67 | 63 | ||
68 | void arch_pre_mm_init(void) |
64 | void arch_pre_mm_init(void) |
69 | { |
65 | { |
70 | // pm_init(); |
66 | pm_init(); |
71 | 67 | ||
72 | if (config.cpu_active == 1) { |
68 | if (config.cpu_active == 1) { |
73 | // bios_init(); |
69 | // bios_init(); |
74 | // i8259_init(); /* PIC */ |
- | |
75 | // i8254_init(); /* hard clock */ |
- | |
76 | 70 | ||
77 | // exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall); |
71 | // exc_register(VECTOR_SYSCALL, "syscall", (iroutine) syscall); |
78 | 72 | ||
79 | #ifdef CONFIG_SMP |
73 | #ifdef CONFIG_SMP |
80 | // exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", |
74 | // exc_register(VECTOR_TLB_SHOOTDOWN_IPI, "tlb_shootdown", |
81 | // (iroutine) tlb_shootdown_ipi); |
75 | // (iroutine) tlb_shootdown_ipi); |
82 | #endif /* CONFIG_SMP */ |
76 | #endif /* CONFIG_SMP */ |
83 | } |
77 | } |
84 | } |
78 | } |
85 | 79 | ||
86 | void arch_post_mm_init(void) |
80 | void arch_post_mm_init(void) |
87 | { |
81 | { |
88 | if (config.cpu_active == 1) { |
82 | if (config.cpu_active == 1) { |
89 | - | ||
90 | #ifdef CONFIG_FB |
- | |
91 | if (vesa_present()) |
83 | /* video */ |
92 | vesa_init(); |
84 | xen_console_init(); |
93 | else |
- | |
94 | #endif |
- | |
95 | ega_init(); /* video */ |
- | |
96 | - | ||
97 | - | ||
98 | /* Enable debugger */ |
85 | /* Enable debugger */ |
99 | debugger_init(); |
86 | debugger_init(); |
100 | /* Merge all memory zones to 1 big zone */ |
87 | /* Merge all memory zones to 1 big zone */ |
101 | zone_merge_all(); |
88 | zone_merge_all(); |
102 | } |
89 | } |
103 | } |
90 | } |
104 | 91 | ||
105 | void arch_pre_smp_init(void) |
92 | void arch_pre_smp_init(void) |
106 | { |
93 | { |
107 | if (config.cpu_active == 1) { |
94 | if (config.cpu_active == 1) { |
108 | memory_print_map(); |
95 | memory_print_map(); |
109 | 96 | ||
110 | #ifdef CONFIG_SMP |
97 | #ifdef CONFIG_SMP |
111 | acpi_init(); |
98 | acpi_init(); |
112 | #endif /* CONFIG_SMP */ |
99 | #endif /* CONFIG_SMP */ |
113 | } |
100 | } |
114 | } |
101 | } |
115 | 102 | ||
116 | void arch_post_smp_init(void) |
103 | void arch_post_smp_init(void) |
117 | { |
104 | { |
118 | i8042_init(); /* keyboard controller */ |
- | |
119 | } |
105 | } |
120 | 106 | ||
121 | void calibrate_delay_loop(void) |
107 | void calibrate_delay_loop(void) |
122 | { |
108 | { |
123 | i8254_calibrate_delay_loop(); |
109 | // i8254_calibrate_delay_loop(); |
124 | if (config.cpu_active == 1) { |
110 | if (config.cpu_active == 1) { |
125 | /* |
111 | /* |
126 | * This has to be done only on UP. |
112 | * This has to be done only on UP. |
127 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
113 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
128 | */ |
114 | */ |
129 | i8254_normal_operation(); |
115 | // i8254_normal_operation(); |
130 | } |
116 | } |
131 | } |
117 | } |
132 | 118 | ||
133 | /** Set thread-local-storage pointer |
119 | /** Set thread-local-storage pointer |
134 | * |
120 | * |
135 | * TLS pointer is set in GS register. That means, the GS contains |
121 | * TLS pointer is set in GS register. That means, the GS contains |
136 | * selector, and the descriptor->base is the correct address. |
122 | * selector, and the descriptor->base is the correct address. |
137 | */ |
123 | */ |
138 | unative_t sys_tls_set(unative_t addr) |
124 | unative_t sys_tls_set(unative_t addr) |
139 | { |
125 | { |
140 | THREAD->arch.tls = addr; |
126 | THREAD->arch.tls = addr; |
141 | set_tls_desc(addr); |
127 | set_tls_desc(addr); |
142 | 128 | ||
143 | return 0; |
129 | return 0; |
144 | } |
130 | } |
145 | 131 | ||
146 | /** Acquire console back for kernel |
132 | /** Acquire console back for kernel |
147 | * |
133 | * |
148 | */ |
134 | */ |
149 | void arch_grab_console(void) |
135 | void arch_grab_console(void) |
150 | { |
136 | { |
151 | i8042_grab(); |
- | |
152 | } |
137 | } |
- | 138 | ||
153 | /** Return console to userspace |
139 | /** Return console to userspace |
154 | * |
140 | * |
155 | */ |
141 | */ |
156 | void arch_release_console(void) |
142 | void arch_release_console(void) |
157 | { |
143 | { |
158 | i8042_release(); |
- | |
159 | } |
144 | } |
160 | 145 | ||
161 | /** @} |
146 | /** @} |
162 | */ |
147 | */ |
163 | 148 |