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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 ia32 |
29 | /** @addtogroup ia32 |
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> |
42 | #include <arch/drivers/ega.h> |
43 | #include <arch/drivers/vesa.h> |
43 | #include <arch/drivers/vesa.h> |
44 | #include <genarch/kbd/i8042.h> |
44 | #include <genarch/kbd/i8042.h> |
45 | #include <arch/drivers/i8254.h> |
45 | #include <arch/drivers/i8254.h> |
46 | #include <arch/drivers/i8259.h> |
46 | #include <arch/drivers/i8259.h> |
47 | 47 | ||
48 | #include <arch/context.h> |
48 | #include <arch/context.h> |
49 | 49 | ||
50 | #include <config.h> |
50 | #include <config.h> |
51 | 51 | ||
52 | #include <arch/interrupt.h> |
52 | #include <arch/interrupt.h> |
53 | #include <arch/asm.h> |
53 | #include <arch/asm.h> |
54 | #include <genarch/acpi/acpi.h> |
54 | #include <genarch/acpi/acpi.h> |
55 | 55 | ||
56 | #include <arch/bios/bios.h> |
56 | #include <arch/bios/bios.h> |
57 | 57 | ||
58 | #include <arch/mm/memory_init.h> |
58 | #include <arch/mm/memory_init.h> |
59 | #include <interrupt.h> |
59 | #include <interrupt.h> |
60 | #include <ddi/irq.h> |
60 | #include <ddi/irq.h> |
61 | #include <arch/debugger.h> |
61 | #include <arch/debugger.h> |
62 | #include <proc/thread.h> |
62 | #include <proc/thread.h> |
63 | #include <syscall/syscall.h> |
63 | #include <syscall/syscall.h> |
64 | #include <console/console.h> |
64 | #include <console/console.h> |
65 | #include <ddi/device.h> |
65 | #include <ddi/device.h> |
66 | 66 | ||
67 | #ifdef CONFIG_SMP |
67 | #ifdef CONFIG_SMP |
68 | #include <arch/smp/apic.h> |
68 | #include <arch/smp/apic.h> |
69 | #endif |
69 | #endif |
70 | 70 | ||
71 | void arch_pre_mm_init(void) |
71 | void arch_pre_mm_init(void) |
72 | { |
72 | { |
73 | pm_init(); |
73 | pm_init(); |
74 | 74 | ||
75 | if (config.cpu_active == 1) { |
75 | if (config.cpu_active == 1) { |
76 | interrupt_init(); |
76 | interrupt_init(); |
77 | bios_init(); |
77 | bios_init(); |
78 | 78 | ||
79 | /* PIC */ |
79 | /* PIC */ |
80 | i8259_init(); |
80 | i8259_init(); |
81 | } |
81 | } |
82 | } |
82 | } |
83 | 83 | ||
84 | void arch_post_mm_init(void) |
84 | void arch_post_mm_init(void) |
85 | { |
85 | { |
86 | if (config.cpu_active == 1) { |
86 | if (config.cpu_active == 1) { |
87 | /* Initialize IRQ routing */ |
87 | /* Initialize IRQ routing */ |
88 | irq_init(IRQ_COUNT, IRQ_COUNT); |
88 | irq_init(IRQ_COUNT, IRQ_COUNT); |
89 | 89 | ||
90 | /* hard clock */ |
90 | /* hard clock */ |
91 | i8254_init(); |
91 | i8254_init(); |
92 | 92 | ||
93 | #ifdef CONFIG_FB |
93 | #ifdef CONFIG_FB |
94 | if (vesa_present()) |
94 | if (vesa_present()) |
95 | vesa_init(); |
95 | vesa_init(); |
96 | else |
96 | else |
97 | #endif |
97 | #endif |
98 | ega_init(); /* video */ |
98 | ega_init(); /* video */ |
99 | 99 | ||
100 | /* Enable debugger */ |
100 | /* Enable debugger */ |
101 | debugger_init(); |
101 | debugger_init(); |
102 | /* Merge all memory zones to 1 big zone */ |
102 | /* Merge all memory zones to 1 big zone */ |
103 | zone_merge_all(); |
103 | zone_merge_all(); |
104 | } |
104 | } |
105 | } |
105 | } |
106 | 106 | ||
107 | void arch_post_cpu_init() |
107 | void arch_post_cpu_init() |
108 | { |
108 | { |
109 | #ifdef CONFIG_SMP |
109 | #ifdef CONFIG_SMP |
110 | if (config.cpu_active > 1) { |
110 | if (config.cpu_active > 1) { |
111 | l_apic_init(); |
111 | l_apic_init(); |
112 | l_apic_debug(); |
112 | l_apic_debug(); |
113 | } |
113 | } |
114 | #endif |
114 | #endif |
115 | } |
115 | } |
116 | 116 | ||
117 | void arch_pre_smp_init(void) |
117 | void arch_pre_smp_init(void) |
118 | { |
118 | { |
119 | if (config.cpu_active == 1) { |
119 | if (config.cpu_active == 1) { |
120 | memory_print_map(); |
120 | memory_print_map(); |
121 | 121 | ||
122 | #ifdef CONFIG_SMP |
122 | #ifdef CONFIG_SMP |
123 | acpi_init(); |
123 | acpi_init(); |
124 | #endif /* CONFIG_SMP */ |
124 | #endif /* CONFIG_SMP */ |
125 | } |
125 | } |
126 | } |
126 | } |
127 | 127 | ||
128 | void arch_post_smp_init(void) |
128 | void arch_post_smp_init(void) |
129 | { |
129 | { |
130 | /* keyboard controller */ |
130 | /* keyboard controller */ |
131 | i8042_init(device_assign_devno(), IRQ_KBD, device_assign_devno(), IRQ_MOUSE); |
131 | i8042_init(device_assign_devno(), IRQ_KBD, device_assign_devno(), IRQ_MOUSE); |
132 | } |
132 | } |
133 | 133 | ||
134 | void calibrate_delay_loop(void) |
134 | void calibrate_delay_loop(void) |
135 | { |
135 | { |
136 | i8254_calibrate_delay_loop(); |
136 | i8254_calibrate_delay_loop(); |
137 | if (config.cpu_active == 1) { |
137 | if (config.cpu_active == 1) { |
138 | /* |
138 | /* |
139 | * This has to be done only on UP. |
139 | * This has to be done only on UP. |
140 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
140 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
141 | */ |
141 | */ |
142 | i8254_normal_operation(); |
142 | i8254_normal_operation(); |
143 | } |
143 | } |
144 | } |
144 | } |
145 | 145 | ||
146 | /** Set thread-local-storage pointer |
146 | /** Set thread-local-storage pointer |
147 | * |
147 | * |
148 | * TLS pointer is set in GS register. That means, the GS contains |
148 | * TLS pointer is set in GS register. That means, the GS contains |
149 | * selector, and the descriptor->base is the correct address. |
149 | * selector, and the descriptor->base is the correct address. |
150 | */ |
150 | */ |
151 | unative_t sys_tls_set(unative_t addr) |
151 | unative_t sys_tls_set(unative_t addr) |
152 | { |
152 | { |
153 | THREAD->arch.tls = addr; |
153 | THREAD->arch.tls = addr; |
154 | set_tls_desc(addr); |
154 | set_tls_desc(addr); |
155 | 155 | ||
156 | return 0; |
156 | return 0; |
157 | } |
157 | } |
158 | 158 | ||
159 | /** Acquire console back for kernel |
159 | /** Acquire console back for kernel |
160 | * |
160 | * |
161 | */ |
161 | */ |
162 | void arch_grab_console(void) |
162 | void arch_grab_console(void) |
163 | { |
163 | { |
164 | i8042_grab(); |
164 | i8042_grab(); |
165 | } |
165 | } |
166 | /** Return console to userspace |
166 | /** Return console to userspace |
167 | * |
167 | * |
168 | */ |
168 | */ |
169 | void arch_release_console(void) |
169 | void arch_release_console(void) |
170 | { |
170 | { |
171 | i8042_release(); |
171 | i8042_release(); |
172 | } |
172 | } |
173 | 173 | ||
174 | /** @} |
174 | /** @} |
175 | */ |
175 | */ |
176 | 176 |