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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 | 38 | ||
39 | #include <arch/pm.h> |
39 | #include <arch/pm.h> |
40 | 40 | ||
41 | #include <arch/drivers/ega.h> |
41 | #include <arch/drivers/ega.h> |
42 | #include <arch/drivers/vesa.h> |
42 | #include <arch/drivers/vesa.h> |
43 | #include <genarch/kbd/i8042.h> |
43 | #include <genarch/kbd/i8042.h> |
44 | #include <arch/drivers/i8254.h> |
44 | #include <arch/drivers/i8254.h> |
45 | #include <arch/drivers/i8259.h> |
45 | #include <arch/drivers/i8259.h> |
46 | 46 | ||
47 | #include <arch/context.h> |
47 | #include <arch/context.h> |
48 | 48 | ||
49 | #include <config.h> |
49 | #include <config.h> |
50 | 50 | ||
51 | #include <arch/interrupt.h> |
51 | #include <arch/interrupt.h> |
52 | #include <arch/asm.h> |
52 | #include <arch/asm.h> |
53 | #include <genarch/acpi/acpi.h> |
53 | #include <genarch/acpi/acpi.h> |
54 | 54 | ||
55 | #include <arch/bios/bios.h> |
55 | #include <arch/bios/bios.h> |
56 | 56 | ||
57 | #include <interrupt.h> |
57 | #include <interrupt.h> |
58 | #include <ddi/irq.h> |
58 | #include <ddi/irq.h> |
59 | #include <arch/debugger.h> |
59 | #include <arch/debugger.h> |
60 | #include <proc/thread.h> |
60 | #include <proc/thread.h> |
61 | #include <syscall/syscall.h> |
61 | #include <syscall/syscall.h> |
62 | #include <console/console.h> |
62 | #include <console/console.h> |
63 | #include <ddi/device.h> |
63 | #include <ddi/device.h> |
64 | 64 | ||
65 | #ifdef CONFIG_SMP |
65 | #ifdef CONFIG_SMP |
66 | #include <arch/smp/apic.h> |
66 | #include <arch/smp/apic.h> |
67 | #endif |
67 | #endif |
68 | 68 | ||
69 | void arch_pre_mm_init(void) |
69 | void arch_pre_mm_init(void) |
70 | { |
70 | { |
71 | pm_init(); |
71 | pm_init(); |
72 | 72 | ||
73 | if (config.cpu_active == 1) { |
73 | if (config.cpu_active == 1) { |
74 | interrupt_init(); |
74 | interrupt_init(); |
75 | bios_init(); |
75 | bios_init(); |
76 | 76 | ||
77 | /* PIC */ |
77 | /* PIC */ |
78 | i8259_init(); |
78 | i8259_init(); |
79 | } |
79 | } |
80 | } |
80 | } |
81 | 81 | ||
82 | void arch_post_mm_init(void) |
82 | void arch_post_mm_init(void) |
83 | { |
83 | { |
84 | if (config.cpu_active == 1) { |
84 | if (config.cpu_active == 1) { |
85 | /* Initialize IRQ routing */ |
85 | /* Initialize IRQ routing */ |
86 | irq_init(IRQ_COUNT, IRQ_COUNT); |
86 | irq_init(IRQ_COUNT, IRQ_COUNT); |
87 | 87 | ||
88 | /* hard clock */ |
88 | /* hard clock */ |
89 | i8254_init(); |
89 | i8254_init(); |
90 | 90 | ||
91 | #ifdef CONFIG_FB |
91 | #ifdef CONFIG_FB |
92 | if (vesa_present()) |
92 | if (vesa_present()) |
93 | vesa_init(); |
93 | vesa_init(); |
94 | else |
94 | else |
95 | #endif |
95 | #endif |
96 | ega_init(); /* video */ |
96 | ega_init(); /* video */ |
97 | 97 | ||
98 | /* Enable debugger */ |
98 | /* Enable debugger */ |
99 | debugger_init(); |
99 | debugger_init(); |
100 | /* Merge all memory zones to 1 big zone */ |
100 | /* Merge all memory zones to 1 big zone */ |
101 | zone_merge_all(); |
101 | zone_merge_all(); |
102 | } |
102 | } |
103 | } |
103 | } |
104 | 104 | ||
105 | void arch_post_cpu_init() |
105 | void arch_post_cpu_init() |
106 | { |
106 | { |
107 | #ifdef CONFIG_SMP |
107 | #ifdef CONFIG_SMP |
108 | if (config.cpu_active > 1) { |
108 | if (config.cpu_active > 1) { |
109 | l_apic_init(); |
109 | l_apic_init(); |
110 | l_apic_debug(); |
110 | l_apic_debug(); |
111 | } |
111 | } |
112 | #endif |
112 | #endif |
113 | } |
113 | } |
114 | 114 | ||
115 | void arch_pre_smp_init(void) |
115 | void arch_pre_smp_init(void) |
116 | { |
116 | { |
117 | if (config.cpu_active == 1) { |
117 | if (config.cpu_active == 1) { |
118 | #ifdef CONFIG_SMP |
118 | #ifdef CONFIG_SMP |
119 | acpi_init(); |
119 | acpi_init(); |
120 | #endif /* CONFIG_SMP */ |
120 | #endif /* CONFIG_SMP */ |
121 | } |
121 | } |
122 | } |
122 | } |
123 | 123 | ||
124 | void arch_post_smp_init(void) |
124 | void arch_post_smp_init(void) |
125 | { |
125 | { |
126 | devno_t kbd = device_assign_devno(); |
126 | devno_t kbd = device_assign_devno(); |
127 | devno_t mouse = device_assign_devno(); |
127 | devno_t mouse = device_assign_devno(); |
128 | /* keyboard controller */ |
128 | /* keyboard controller */ |
129 | i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE); |
129 | i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE); |
130 | } |
130 | } |
131 | 131 | ||
132 | void calibrate_delay_loop(void) |
132 | void calibrate_delay_loop(void) |
133 | { |
133 | { |
134 | i8254_calibrate_delay_loop(); |
134 | i8254_calibrate_delay_loop(); |
135 | if (config.cpu_active == 1) { |
135 | if (config.cpu_active == 1) { |
136 | /* |
136 | /* |
137 | * This has to be done only on UP. |
137 | * This has to be done only on UP. |
138 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
138 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
139 | */ |
139 | */ |
140 | i8254_normal_operation(); |
140 | i8254_normal_operation(); |
141 | } |
141 | } |
142 | } |
142 | } |
143 | 143 | ||
144 | /** Set thread-local-storage pointer |
144 | /** Set thread-local-storage pointer |
145 | * |
145 | * |
146 | * TLS pointer is set in GS register. That means, the GS contains |
146 | * TLS pointer is set in GS register. That means, the GS contains |
147 | * selector, and the descriptor->base is the correct address. |
147 | * selector, and the descriptor->base is the correct address. |
148 | */ |
148 | */ |
149 | unative_t sys_tls_set(unative_t addr) |
149 | unative_t sys_tls_set(unative_t addr) |
150 | { |
150 | { |
151 | THREAD->arch.tls = addr; |
151 | THREAD->arch.tls = addr; |
152 | set_tls_desc(addr); |
152 | set_tls_desc(addr); |
153 | 153 | ||
154 | return 0; |
154 | return 0; |
155 | } |
155 | } |
156 | 156 | ||
157 | /** Acquire console back for kernel |
157 | /** Acquire console back for kernel |
158 | * |
158 | * |
159 | */ |
159 | */ |
160 | void arch_grab_console(void) |
160 | void arch_grab_console(void) |
161 | { |
161 | { |
162 | i8042_grab(); |
162 | i8042_grab(); |
163 | } |
163 | } |
164 | /** Return console to userspace |
164 | /** Return console to userspace |
165 | * |
165 | * |
166 | */ |
166 | */ |
167 | void arch_release_console(void) |
167 | void arch_release_console(void) |
168 | { |
168 | { |
169 | i8042_release(); |
169 | i8042_release(); |
170 | } |
170 | } |
171 | 171 | ||
172 | /** @} |
172 | /** @} |
173 | */ |
173 | */ |
174 | 174 |