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1 | /* |
1 | /* |
2 | * Copyright (c) 2001-2004 Jakub Jermar |
2 | * Copyright (c) 2001-2004 Jakub Jermar |
- | 3 | * Copyright (c) 2009 Jiri Svoboda |
|
- | 4 | * Copyright (c) 2009 Martin Decky |
|
3 | * All rights reserved. |
5 | * All rights reserved. |
4 | * |
6 | * |
5 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
8 | * modification, are permitted provided that the following conditions |
7 | * are met: |
9 | * are met: |
8 | * |
10 | * |
9 | * - Redistributions of source code must retain the above copyright |
11 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
12 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
13 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
14 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
15 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
16 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
17 | * derived from this software without specific prior written permission. |
16 | * |
18 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
22 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
24 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
27 | * (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. |
28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
29 | */ |
28 | 30 | ||
29 | /** @addtogroup ia32 |
31 | /** @addtogroup ia32 |
30 | * @{ |
32 | * @{ |
31 | */ |
33 | */ |
32 | /** @file |
34 | /** @file |
33 | */ |
35 | */ |
34 | 36 | ||
35 | #include <arch.h> |
37 | #include <arch.h> |
36 | 38 | ||
37 | #include <arch/types.h> |
39 | #include <arch/types.h> |
38 | 40 | ||
39 | #include <arch/pm.h> |
41 | #include <arch/pm.h> |
40 | 42 | ||
- | 43 | #include <genarch/multiboot/multiboot.h> |
|
- | 44 | #include <genarch/drivers/legacy/ia32/io.h> |
|
41 | #include <arch/drivers/ega.h> |
45 | #include <genarch/drivers/ega/ega.h> |
42 | #include <arch/drivers/vesa.h> |
46 | #include <arch/drivers/vesa.h> |
- | 47 | #include <genarch/drivers/i8042/i8042.h> |
|
43 | #include <genarch/kbd/i8042.h> |
48 | #include <genarch/kbrd/kbrd.h> |
44 | #include <arch/drivers/i8254.h> |
49 | #include <arch/drivers/i8254.h> |
45 | #include <arch/drivers/i8259.h> |
50 | #include <arch/drivers/i8259.h> |
46 | 51 | ||
47 | #include <arch/context.h> |
52 | #include <arch/context.h> |
48 | 53 | ||
49 | #include <config.h> |
54 | #include <config.h> |
50 | 55 | ||
51 | #include <arch/interrupt.h> |
56 | #include <arch/interrupt.h> |
52 | #include <arch/asm.h> |
57 | #include <arch/asm.h> |
53 | #include <genarch/acpi/acpi.h> |
58 | #include <genarch/acpi/acpi.h> |
54 | 59 | ||
55 | #include <arch/bios/bios.h> |
60 | #include <arch/bios/bios.h> |
56 | 61 | ||
57 | #include <interrupt.h> |
62 | #include <interrupt.h> |
58 | #include <ddi/irq.h> |
63 | #include <ddi/irq.h> |
59 | #include <arch/debugger.h> |
64 | #include <arch/debugger.h> |
60 | #include <proc/thread.h> |
65 | #include <proc/thread.h> |
61 | #include <syscall/syscall.h> |
66 | #include <syscall/syscall.h> |
62 | #include <console/console.h> |
67 | #include <console/console.h> |
63 | #include <ddi/device.h> |
68 | #include <sysinfo/sysinfo.h> |
- | 69 | #include <arch/boot/boot.h> |
|
64 | 70 | ||
65 | #ifdef CONFIG_SMP |
71 | #ifdef CONFIG_SMP |
66 | #include <arch/smp/apic.h> |
72 | #include <arch/smp/apic.h> |
67 | #endif |
73 | #endif |
68 | 74 | ||
- | 75 | /** Perform ia32-specific initialization before main_bsp() is called. |
|
- | 76 | * |
|
- | 77 | * @param signature Should contain the multiboot signature. |
|
- | 78 | * @param mi Pointer to the multiboot information structure. |
|
- | 79 | */ |
|
- | 80 | void arch_pre_main(uint32_t signature, const multiboot_info_t *mi) |
|
- | 81 | { |
|
- | 82 | /* Parse multiboot information obtained from the bootloader. */ |
|
- | 83 | multiboot_info_parse(signature, mi); |
|
- | 84 | ||
- | 85 | #ifdef CONFIG_SMP |
|
- | 86 | /* Copy AP bootstrap routines below 1 MB. */ |
|
- | 87 | memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET, |
|
- | 88 | (size_t) &_hardcoded_unmapped_size); |
|
- | 89 | #endif |
|
- | 90 | } |
|
- | 91 | ||
69 | void arch_pre_mm_init(void) |
92 | void arch_pre_mm_init(void) |
70 | { |
93 | { |
71 | pm_init(); |
94 | pm_init(); |
72 | 95 | ||
73 | if (config.cpu_active == 1) { |
96 | if (config.cpu_active == 1) { |
74 | interrupt_init(); |
97 | interrupt_init(); |
75 | bios_init(); |
98 | bios_init(); |
76 | 99 | ||
77 | /* PIC */ |
100 | /* PIC */ |
78 | i8259_init(); |
101 | i8259_init(); |
79 | } |
102 | } |
80 | } |
103 | } |
81 | 104 | ||
82 | void arch_post_mm_init(void) |
105 | void arch_post_mm_init(void) |
83 | { |
106 | { |
84 | if (config.cpu_active == 1) { |
107 | if (config.cpu_active == 1) { |
85 | /* Initialize IRQ routing */ |
108 | /* Initialize IRQ routing */ |
86 | irq_init(IRQ_COUNT, IRQ_COUNT); |
109 | irq_init(IRQ_COUNT, IRQ_COUNT); |
87 | 110 | ||
88 | /* hard clock */ |
111 | /* hard clock */ |
89 | i8254_init(); |
112 | i8254_init(); |
90 | 113 | ||
91 | #ifdef CONFIG_FB |
114 | #ifdef CONFIG_FB |
92 | if (vesa_present()) |
115 | if (vesa_present()) |
93 | vesa_init(); |
116 | vesa_init(); |
94 | else |
117 | else |
95 | #endif |
118 | #endif |
- | 119 | #ifdef CONFIG_EGA |
|
96 | ega_init(); /* video */ |
120 | ega_init(EGA_BASE, EGA_VIDEORAM); /* video */ |
- | 121 | #else |
|
- | 122 | {} |
|
- | 123 | #endif |
|
97 | 124 | ||
98 | /* Enable debugger */ |
125 | /* Enable debugger */ |
99 | debugger_init(); |
126 | debugger_init(); |
100 | /* Merge all memory zones to 1 big zone */ |
127 | /* Merge all memory zones to 1 big zone */ |
101 | zone_merge_all(); |
128 | zone_merge_all(); |
102 | } |
129 | } |
103 | } |
130 | } |
104 | 131 | ||
105 | void arch_post_cpu_init() |
132 | void arch_post_cpu_init() |
106 | { |
133 | { |
107 | #ifdef CONFIG_SMP |
134 | #ifdef CONFIG_SMP |
108 | if (config.cpu_active > 1) { |
135 | if (config.cpu_active > 1) { |
109 | l_apic_init(); |
136 | l_apic_init(); |
110 | l_apic_debug(); |
137 | l_apic_debug(); |
111 | } |
138 | } |
112 | #endif |
139 | #endif |
113 | } |
140 | } |
114 | 141 | ||
115 | void arch_pre_smp_init(void) |
142 | void arch_pre_smp_init(void) |
116 | { |
143 | { |
117 | if (config.cpu_active == 1) { |
144 | if (config.cpu_active == 1) { |
118 | #ifdef CONFIG_SMP |
145 | #ifdef CONFIG_SMP |
119 | acpi_init(); |
146 | acpi_init(); |
120 | #endif /* CONFIG_SMP */ |
147 | #endif /* CONFIG_SMP */ |
121 | } |
148 | } |
122 | } |
149 | } |
123 | 150 | ||
124 | void arch_post_smp_init(void) |
151 | void arch_post_smp_init(void) |
125 | { |
152 | { |
- | 153 | #ifdef CONFIG_PC_KBD |
|
- | 154 | /* |
|
- | 155 | * Initialize the i8042 controller. Then initialize the keyboard |
|
- | 156 | * module and connect it to i8042. Enable keyboard interrupts. |
|
- | 157 | */ |
|
126 | devno_t kbd = device_assign_devno(); |
158 | indev_t *kbrdin = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD); |
- | 159 | if (kbrdin) { |
|
- | 160 | kbrd_init(kbrdin); |
|
127 | devno_t mouse = device_assign_devno(); |
161 | trap_virtual_enable_irqs(1 << IRQ_KBD); |
- | 162 | } |
|
- | 163 | ||
- | 164 | /* |
|
- | 165 | * This is the necessary evil until the userspace driver is entirely |
|
128 | /* keyboard controller */ |
166 | * self-sufficient. |
- | 167 | */ |
|
- | 168 | sysinfo_set_item_val("kbd", NULL, true); |
|
129 | i8042_init(kbd, IRQ_KBD, mouse, IRQ_MOUSE); |
169 | sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD); |
- | 170 | sysinfo_set_item_val("kbd.address.physical", NULL, |
|
- | 171 | (uintptr_t) I8042_BASE); |
|
- | 172 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
|
- | 173 | (uintptr_t) I8042_BASE); |
|
- | 174 | #endif |
|
130 | } |
175 | } |
131 | 176 | ||
132 | void calibrate_delay_loop(void) |
177 | void calibrate_delay_loop(void) |
133 | { |
178 | { |
134 | i8254_calibrate_delay_loop(); |
179 | i8254_calibrate_delay_loop(); |
135 | if (config.cpu_active == 1) { |
180 | if (config.cpu_active == 1) { |
136 | /* |
181 | /* |
137 | * This has to be done only on UP. |
182 | * This has to be done only on UP. |
138 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
183 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
139 | */ |
184 | */ |
140 | i8254_normal_operation(); |
185 | i8254_normal_operation(); |
141 | } |
186 | } |
142 | } |
187 | } |
143 | 188 | ||
144 | /** Set thread-local-storage pointer |
189 | /** Set thread-local-storage pointer |
145 | * |
190 | * |
146 | * TLS pointer is set in GS register. That means, the GS contains |
191 | * TLS pointer is set in GS register. That means, the GS contains |
147 | * selector, and the descriptor->base is the correct address. |
192 | * selector, and the descriptor->base is the correct address. |
148 | */ |
193 | */ |
149 | unative_t sys_tls_set(unative_t addr) |
194 | unative_t sys_tls_set(unative_t addr) |
150 | { |
195 | { |
151 | THREAD->arch.tls = addr; |
196 | THREAD->arch.tls = addr; |
152 | set_tls_desc(addr); |
197 | set_tls_desc(addr); |
153 | 198 | ||
154 | return 0; |
199 | return 0; |
155 | } |
200 | } |
156 | 201 | ||
157 | /** Acquire console back for kernel |
202 | /** Acquire console back for kernel |
158 | * |
203 | * |
159 | */ |
204 | */ |
160 | void arch_grab_console(void) |
205 | void arch_grab_console(void) |
161 | { |
206 | { |
- | 207 | #ifdef CONFIG_FB |
|
- | 208 | if (vesa_present()) |
|
162 | i8042_grab(); |
209 | vesa_redraw(); |
- | 210 | else |
|
- | 211 | #endif |
|
- | 212 | #ifdef CONFIG_EGA |
|
- | 213 | ega_redraw(); |
|
- | 214 | #else |
|
- | 215 | {} |
|
- | 216 | #endif |
|
163 | } |
217 | } |
- | 218 | ||
164 | /** Return console to userspace |
219 | /** Return console to userspace |
165 | * |
220 | * |
166 | */ |
221 | */ |
167 | void arch_release_console(void) |
222 | void arch_release_console(void) |
168 | { |
223 | { |
- | 224 | } |
|
- | 225 | ||
- | 226 | /** Construct function pointer |
|
- | 227 | * |
|
- | 228 | * @param fptr function pointer structure |
|
- | 229 | * @param addr function address |
|
- | 230 | * @param caller calling function address |
|
- | 231 | * |
|
- | 232 | * @return address of the function pointer |
|
- | 233 | * |
|
- | 234 | */ |
|
- | 235 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
|
- | 236 | { |
|
169 | i8042_release(); |
237 | return addr; |
170 | } |
238 | } |
171 | 239 | ||
172 | /** @} |
240 | /** @} |
173 | */ |
241 | */ |
174 | 242 |