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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 <genarch/drivers/legacy/ia32/io.h> |
42 | #include <genarch/drivers/ega/ega.h> |
42 | #include <genarch/drivers/ega/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 <interrupt.h> |
58 | #include <interrupt.h> |
59 | #include <ddi/irq.h> |
59 | #include <ddi/irq.h> |
60 | #include <arch/debugger.h> |
60 | #include <arch/debugger.h> |
61 | #include <proc/thread.h> |
61 | #include <proc/thread.h> |
62 | #include <syscall/syscall.h> |
62 | #include <syscall/syscall.h> |
63 | #include <console/console.h> |
63 | #include <console/console.h> |
64 | #include <ddi/device.h> |
64 | #include <ddi/device.h> |
65 | 65 | ||
66 | #ifdef CONFIG_SMP |
66 | #ifdef CONFIG_SMP |
67 | #include <arch/smp/apic.h> |
67 | #include <arch/smp/apic.h> |
68 | #endif |
68 | #endif |
69 | 69 | ||
70 | void arch_pre_mm_init(void) |
70 | void arch_pre_mm_init(void) |
71 | { |
71 | { |
72 | pm_init(); |
72 | pm_init(); |
73 | 73 | ||
74 | if (config.cpu_active == 1) { |
74 | if (config.cpu_active == 1) { |
75 | interrupt_init(); |
75 | interrupt_init(); |
76 | bios_init(); |
76 | bios_init(); |
77 | 77 | ||
78 | /* PIC */ |
78 | /* PIC */ |
79 | i8259_init(); |
79 | i8259_init(); |
80 | } |
80 | } |
81 | } |
81 | } |
82 | 82 | ||
83 | void arch_post_mm_init(void) |
83 | void arch_post_mm_init(void) |
84 | { |
84 | { |
85 | if (config.cpu_active == 1) { |
85 | if (config.cpu_active == 1) { |
86 | /* Initialize IRQ routing */ |
86 | /* Initialize IRQ routing */ |
87 | irq_init(IRQ_COUNT, IRQ_COUNT); |
87 | irq_init(IRQ_COUNT, IRQ_COUNT); |
88 | 88 | ||
89 | /* hard clock */ |
89 | /* hard clock */ |
90 | i8254_init(); |
90 | i8254_init(); |
91 | 91 | ||
92 | #ifdef CONFIG_FB |
92 | #ifdef CONFIG_FB |
93 | if (vesa_present()) |
93 | if (vesa_present()) |
94 | vesa_init(); |
94 | vesa_init(); |
95 | else |
95 | else |
96 | #endif |
96 | #endif |
97 | ega_init(EGA_BASE, EGA_VIDEORAM); /* video */ |
97 | ega_init(EGA_BASE, EGA_VIDEORAM); /* video */ |
98 | 98 | ||
99 | /* Enable debugger */ |
99 | /* Enable debugger */ |
100 | debugger_init(); |
100 | debugger_init(); |
101 | /* Merge all memory zones to 1 big zone */ |
101 | /* Merge all memory zones to 1 big zone */ |
102 | zone_merge_all(); |
102 | zone_merge_all(); |
103 | } |
103 | } |
104 | } |
104 | } |
105 | 105 | ||
106 | void arch_post_cpu_init() |
106 | void arch_post_cpu_init() |
107 | { |
107 | { |
108 | #ifdef CONFIG_SMP |
108 | #ifdef CONFIG_SMP |
109 | if (config.cpu_active > 1) { |
109 | if (config.cpu_active > 1) { |
110 | l_apic_init(); |
110 | l_apic_init(); |
111 | l_apic_debug(); |
111 | l_apic_debug(); |
112 | } |
112 | } |
113 | #endif |
113 | #endif |
114 | } |
114 | } |
115 | 115 | ||
116 | void arch_pre_smp_init(void) |
116 | void arch_pre_smp_init(void) |
117 | { |
117 | { |
118 | if (config.cpu_active == 1) { |
118 | if (config.cpu_active == 1) { |
119 | #ifdef CONFIG_SMP |
119 | #ifdef CONFIG_SMP |
120 | acpi_init(); |
120 | acpi_init(); |
121 | #endif /* CONFIG_SMP */ |
121 | #endif /* CONFIG_SMP */ |
122 | } |
122 | } |
123 | } |
123 | } |
124 | 124 | ||
125 | void arch_post_smp_init(void) |
125 | void arch_post_smp_init(void) |
126 | { |
126 | { |
127 | devno_t kbd = device_assign_devno(); |
127 | devno_t kbd = device_assign_devno(); |
128 | devno_t mouse = device_assign_devno(); |
128 | devno_t mouse = device_assign_devno(); |
129 | /* keyboard controller */ |
129 | /* keyboard controller */ |
130 | i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE); |
130 | i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE); |
131 | } |
131 | } |
132 | 132 | ||
133 | void calibrate_delay_loop(void) |
133 | void calibrate_delay_loop(void) |
134 | { |
134 | { |
135 | i8254_calibrate_delay_loop(); |
135 | i8254_calibrate_delay_loop(); |
136 | if (config.cpu_active == 1) { |
136 | if (config.cpu_active == 1) { |
137 | /* |
137 | /* |
138 | * This has to be done only on UP. |
138 | * This has to be done only on UP. |
139 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
139 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
140 | */ |
140 | */ |
141 | i8254_normal_operation(); |
141 | i8254_normal_operation(); |
142 | } |
142 | } |
143 | } |
143 | } |
144 | 144 | ||
145 | /** Set thread-local-storage pointer |
145 | /** Set thread-local-storage pointer |
146 | * |
146 | * |
147 | * TLS pointer is set in GS register. That means, the GS contains |
147 | * TLS pointer is set in GS register. That means, the GS contains |
148 | * selector, and the descriptor->base is the correct address. |
148 | * selector, and the descriptor->base is the correct address. |
149 | */ |
149 | */ |
150 | unative_t sys_tls_set(unative_t addr) |
150 | unative_t sys_tls_set(unative_t addr) |
151 | { |
151 | { |
152 | THREAD->arch.tls = addr; |
152 | THREAD->arch.tls = addr; |
153 | set_tls_desc(addr); |
153 | set_tls_desc(addr); |
154 | 154 | ||
155 | return 0; |
155 | return 0; |
156 | } |
156 | } |
157 | 157 | ||
158 | /** Acquire console back for kernel |
158 | /** Acquire console back for kernel |
159 | * |
159 | * |
160 | */ |
160 | */ |
161 | void arch_grab_console(void) |
161 | void arch_grab_console(void) |
162 | { |
162 | { |
163 | #ifdef CONFIG_FB |
163 | #ifdef CONFIG_FB |
164 | vesa_redraw(); |
164 | vesa_redraw(); |
165 | #else |
165 | #else |
166 | ega_redraw(); |
166 | ega_redraw(); |
167 | #endif |
167 | #endif |
168 | 168 | ||
169 | i8042_grab(); |
169 | i8042_grab(); |
170 | } |
170 | } |
171 | 171 | ||
172 | /** Return console to userspace |
172 | /** Return console to userspace |
173 | * |
173 | * |
174 | */ |
174 | */ |
175 | void arch_release_console(void) |
175 | void arch_release_console(void) |
176 | { |
176 | { |
177 | i8042_release(); |
177 | i8042_release(); |
178 | } |
178 | } |
179 | 179 | ||
180 | /** Construct function pointer |
180 | /** Construct function pointer |
181 | * |
181 | * |
182 | * @param fptr function pointer structure |
182 | * @param fptr function pointer structure |
183 | * @param addr function address |
183 | * @param addr function address |
184 | * @param caller calling function address |
184 | * @param caller calling function address |
185 | * |
185 | * |
186 | * @return address of the function pointer |
186 | * @return address of the function pointer |
187 | * |
187 | * |
188 | */ |
188 | */ |
189 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
189 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
190 | { |
190 | { |
191 | return addr; |
191 | return addr; |
192 | } |
192 | } |
193 | 193 | ||
194 | /** @} |
194 | /** @} |
195 | */ |
195 | */ |
196 | 196 |