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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 |
3 | * Copyright (c) 2009 Jiri Svoboda |
4 | * Copyright (c) 2009 Martin Decky |
4 | * Copyright (c) 2009 Martin Decky |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
9 | * are met: |
10 | * |
10 | * |
11 | * - Redistributions of source code must retain the above copyright |
11 | * - Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * - Redistributions in binary form must reproduce the above copyright |
13 | * - Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
15 | * documentation and/or other materials provided with the distribution. |
16 | * - 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 |
17 | * derived from this software without specific prior written permission. |
17 | * derived from this software without specific prior written permission. |
18 | * |
18 | * |
19 | * 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 |
20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
22 | * 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, |
23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
24 | * 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, |
25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * (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 |
28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | */ |
29 | */ |
30 | 30 | ||
31 | /** @addtogroup ia32 |
31 | /** @addtogroup ia32 |
32 | * @{ |
32 | * @{ |
33 | */ |
33 | */ |
34 | /** @file |
34 | /** @file |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #include <arch.h> |
37 | #include <arch.h> |
38 | 38 | ||
39 | #include <arch/types.h> |
39 | #include <arch/types.h> |
40 | 40 | ||
41 | #include <arch/pm.h> |
41 | #include <arch/pm.h> |
42 | 42 | ||
43 | #include <genarch/multiboot/multiboot.h> |
43 | #include <genarch/multiboot/multiboot.h> |
44 | #include <genarch/drivers/legacy/ia32/io.h> |
44 | #include <genarch/drivers/legacy/ia32/io.h> |
45 | #include <genarch/drivers/ega/ega.h> |
45 | #include <genarch/drivers/ega/ega.h> |
46 | #include <arch/drivers/vesa.h> |
46 | #include <arch/drivers/vesa.h> |
47 | #include <genarch/drivers/i8042/i8042.h> |
47 | #include <genarch/drivers/i8042/i8042.h> |
48 | #include <genarch/kbrd/kbrd.h> |
48 | #include <genarch/kbrd/kbrd.h> |
49 | #include <arch/drivers/i8254.h> |
49 | #include <arch/drivers/i8254.h> |
50 | #include <arch/drivers/i8259.h> |
50 | #include <arch/drivers/i8259.h> |
51 | 51 | ||
52 | #include <arch/context.h> |
52 | #include <arch/context.h> |
53 | 53 | ||
54 | #include <config.h> |
54 | #include <config.h> |
55 | 55 | ||
56 | #include <arch/interrupt.h> |
56 | #include <arch/interrupt.h> |
57 | #include <arch/asm.h> |
57 | #include <arch/asm.h> |
58 | #include <genarch/acpi/acpi.h> |
58 | #include <genarch/acpi/acpi.h> |
59 | 59 | ||
60 | #include <arch/bios/bios.h> |
60 | #include <arch/bios/bios.h> |
61 | 61 | ||
62 | #include <interrupt.h> |
62 | #include <interrupt.h> |
63 | #include <ddi/irq.h> |
63 | #include <ddi/irq.h> |
64 | #include <arch/debugger.h> |
64 | #include <arch/debugger.h> |
65 | #include <proc/thread.h> |
65 | #include <proc/thread.h> |
66 | #include <syscall/syscall.h> |
66 | #include <syscall/syscall.h> |
67 | #include <console/console.h> |
67 | #include <console/console.h> |
68 | #include <sysinfo/sysinfo.h> |
68 | #include <sysinfo/sysinfo.h> |
69 | #include <arch/boot/boot.h> |
69 | #include <arch/boot/boot.h> |
70 | 70 | ||
71 | #ifdef CONFIG_SMP |
71 | #ifdef CONFIG_SMP |
72 | #include <arch/smp/apic.h> |
72 | #include <arch/smp/apic.h> |
73 | #endif |
73 | #endif |
74 | 74 | ||
75 | /** Perform ia32-specific initialization before main_bsp() is called. |
75 | /** Perform ia32-specific initialization before main_bsp() is called. |
76 | * |
76 | * |
77 | * @param signature Should contain the multiboot signature. |
77 | * @param signature Should contain the multiboot signature. |
78 | * @param mi Pointer to the multiboot information structure. |
78 | * @param mi Pointer to the multiboot information structure. |
79 | */ |
79 | */ |
80 | void arch_pre_main(uint32_t signature, const multiboot_info_t *mi) |
80 | void arch_pre_main(uint32_t signature, const multiboot_info_t *mi) |
81 | { |
81 | { |
82 | /* Parse multiboot information obtained from the bootloader. */ |
82 | /* Parse multiboot information obtained from the bootloader. */ |
83 | multiboot_info_parse(signature, mi); |
83 | multiboot_info_parse(signature, mi); |
84 | 84 | ||
85 | #ifdef CONFIG_SMP |
85 | #ifdef CONFIG_SMP |
86 | /* Copy AP bootstrap routines below 1 MB. */ |
86 | /* Copy AP bootstrap routines below 1 MB. */ |
87 | memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET, |
87 | memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET, |
88 | (size_t) &_hardcoded_unmapped_size); |
88 | (size_t) &_hardcoded_unmapped_size); |
89 | #endif |
89 | #endif |
90 | } |
90 | } |
91 | 91 | ||
92 | void arch_pre_mm_init(void) |
92 | void arch_pre_mm_init(void) |
93 | { |
93 | { |
94 | pm_init(); |
94 | pm_init(); |
95 | 95 | ||
96 | if (config.cpu_active == 1) { |
96 | if (config.cpu_active == 1) { |
97 | interrupt_init(); |
97 | interrupt_init(); |
98 | bios_init(); |
98 | bios_init(); |
99 | 99 | ||
100 | /* PIC */ |
100 | /* PIC */ |
101 | i8259_init(); |
101 | i8259_init(); |
102 | } |
102 | } |
103 | } |
103 | } |
104 | 104 | ||
105 | void arch_post_mm_init(void) |
105 | void arch_post_mm_init(void) |
106 | { |
106 | { |
107 | if (config.cpu_active == 1) { |
107 | if (config.cpu_active == 1) { |
108 | /* Initialize IRQ routing */ |
108 | /* Initialize IRQ routing */ |
109 | irq_init(IRQ_COUNT, IRQ_COUNT); |
109 | irq_init(IRQ_COUNT, IRQ_COUNT); |
110 | 110 | ||
111 | /* hard clock */ |
111 | /* hard clock */ |
112 | i8254_init(); |
112 | i8254_init(); |
113 | 113 | ||
114 | #ifdef CONFIG_FB |
114 | #ifdef CONFIG_FB |
115 | if (vesa_present()) |
115 | if (vesa_present()) |
116 | vesa_init(); |
116 | vesa_init(); |
117 | else |
117 | else |
118 | #endif |
118 | #endif |
119 | #ifdef CONFIG_EGA |
119 | #ifdef CONFIG_EGA |
120 | ega_init(EGA_BASE, EGA_VIDEORAM); /* video */ |
120 | ega_init(EGA_BASE, EGA_VIDEORAM); /* video */ |
121 | #else |
121 | #else |
122 | {} |
122 | {} |
123 | #endif |
123 | #endif |
124 | 124 | ||
125 | /* Enable debugger */ |
125 | /* Enable debugger */ |
126 | debugger_init(); |
126 | debugger_init(); |
127 | /* Merge all memory zones to 1 big zone */ |
127 | /* Merge all memory zones to 1 big zone */ |
128 | zone_merge_all(); |
128 | zone_merge_all(); |
129 | } |
129 | } |
130 | } |
130 | } |
131 | 131 | ||
132 | void arch_post_cpu_init() |
132 | void arch_post_cpu_init() |
133 | { |
133 | { |
134 | #ifdef CONFIG_SMP |
134 | #ifdef CONFIG_SMP |
135 | if (config.cpu_active > 1) { |
135 | if (config.cpu_active > 1) { |
136 | l_apic_init(); |
136 | l_apic_init(); |
137 | l_apic_debug(); |
137 | l_apic_debug(); |
138 | } |
138 | } |
139 | #endif |
139 | #endif |
140 | } |
140 | } |
141 | 141 | ||
142 | void arch_pre_smp_init(void) |
142 | void arch_pre_smp_init(void) |
143 | { |
143 | { |
144 | if (config.cpu_active == 1) { |
144 | if (config.cpu_active == 1) { |
145 | #ifdef CONFIG_SMP |
145 | #ifdef CONFIG_SMP |
146 | acpi_init(); |
146 | acpi_init(); |
147 | #endif /* CONFIG_SMP */ |
147 | #endif /* CONFIG_SMP */ |
148 | } |
148 | } |
149 | } |
149 | } |
150 | 150 | ||
151 | void arch_post_smp_init(void) |
151 | void arch_post_smp_init(void) |
152 | { |
152 | { |
153 | #ifdef CONFIG_PC_KBD |
153 | #ifdef CONFIG_PC_KBD |
154 | /* |
154 | /* |
155 | * Initialize the i8042 controller. Then initialize the keyboard |
155 | * Initialize the i8042 controller. Then initialize the keyboard |
156 | * module and connect it to i8042. Enable keyboard interrupts. |
156 | * module and connect it to i8042. Enable keyboard interrupts. |
157 | */ |
157 | */ |
158 | indev_t *kbrdin = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD); |
158 | indev_t *kbrdin = i8042_init((i8042_t *) I8042_BASE, IRQ_KBD); |
159 | if (kbrdin) { |
159 | if (kbrdin) { |
160 | kbrd_init(kbrdin); |
160 | kbrd_init(kbrdin); |
161 | trap_virtual_enable_irqs(1 << IRQ_KBD); |
161 | trap_virtual_enable_irqs(1 << IRQ_KBD); |
162 | } |
162 | } |
163 | 163 | ||
164 | /* |
164 | /* |
165 | * This is the necessary evil until the userspace driver is entirely |
165 | * This is the necessary evil until the userspace driver is entirely |
166 | * self-sufficient. |
166 | * self-sufficient. |
167 | */ |
167 | */ |
168 | sysinfo_set_item_val("kbd", NULL, true); |
168 | sysinfo_set_item_val("kbd", NULL, true); |
169 | sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD); |
169 | sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD); |
170 | sysinfo_set_item_val("kbd.address.physical", NULL, |
170 | sysinfo_set_item_val("kbd.address.physical", NULL, |
171 | (uintptr_t) I8042_BASE); |
171 | (uintptr_t) I8042_BASE); |
172 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
172 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
173 | (uintptr_t) I8042_BASE); |
173 | (uintptr_t) I8042_BASE); |
174 | #endif |
174 | #endif |
175 | } |
175 | } |
176 | 176 | ||
177 | void calibrate_delay_loop(void) |
177 | void calibrate_delay_loop(void) |
178 | { |
178 | { |
179 | i8254_calibrate_delay_loop(); |
179 | i8254_calibrate_delay_loop(); |
180 | if (config.cpu_active == 1) { |
180 | if (config.cpu_active == 1) { |
181 | /* |
181 | /* |
182 | * This has to be done only on UP. |
182 | * This has to be done only on UP. |
183 | * 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. |
184 | */ |
184 | */ |
185 | i8254_normal_operation(); |
185 | i8254_normal_operation(); |
186 | } |
186 | } |
187 | } |
187 | } |
188 | 188 | ||
189 | /** Set thread-local-storage pointer |
189 | /** Set thread-local-storage pointer |
190 | * |
190 | * |
191 | * 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 |
192 | * selector, and the descriptor->base is the correct address. |
192 | * selector, and the descriptor->base is the correct address. |
193 | */ |
193 | */ |
194 | unative_t sys_tls_set(unative_t addr) |
194 | unative_t sys_tls_set(unative_t addr) |
195 | { |
195 | { |
196 | THREAD->arch.tls = addr; |
196 | THREAD->arch.tls = addr; |
197 | set_tls_desc(addr); |
197 | set_tls_desc(addr); |
198 | 198 | ||
199 | return 0; |
199 | return 0; |
200 | } |
200 | } |
201 | 201 | ||
202 | /** Acquire console back for kernel |
202 | /** Acquire console back for kernel |
203 | * |
203 | * |
204 | */ |
204 | */ |
205 | void arch_grab_console(void) |
205 | void arch_grab_console(void) |
206 | { |
206 | { |
207 | #ifdef CONFIG_FB |
207 | #ifdef CONFIG_FB |
208 | if (vesa_present()) |
208 | if (vesa_present()) |
209 | vesa_redraw(); |
209 | vesa_redraw(); |
210 | else |
210 | else |
211 | #endif |
211 | #endif |
212 | #ifdef CONFIG_EGA |
212 | #ifdef CONFIG_EGA |
213 | ega_redraw(); |
213 | ega_redraw(); |
214 | #else |
214 | #else |
215 | {} |
215 | {} |
216 | #endif |
216 | #endif |
217 | } |
217 | } |
218 | 218 | ||
219 | /** Return console to userspace |
219 | /** Return console to userspace |
220 | * |
220 | * |
221 | */ |
221 | */ |
222 | void arch_release_console(void) |
222 | void arch_release_console(void) |
223 | { |
223 | { |
224 | } |
224 | } |
225 | 225 | ||
226 | /** Construct function pointer |
226 | /** Construct function pointer |
227 | * |
227 | * |
228 | * @param fptr function pointer structure |
228 | * @param fptr function pointer structure |
229 | * @param addr function address |
229 | * @param addr function address |
230 | * @param caller calling function address |
230 | * @param caller calling function address |
231 | * |
231 | * |
232 | * @return address of the function pointer |
232 | * @return address of the function pointer |
233 | * |
233 | * |
234 | */ |
234 | */ |
235 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
235 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
236 | { |
236 | { |
237 | return addr; |
237 | return addr; |
238 | } |
238 | } |
239 | 239 | ||
- | 240 | void arch_reboot(void) |
|
- | 241 | { |
|
- | 242 | #ifdef CONFIG_PC_KBD |
|
- | 243 | i8042_cpu_reset((i8042_t *) I8042_BASE); |
|
- | 244 | #endif |
|
- | 245 | } |
|
- | 246 | ||
240 | /** @} |
247 | /** @} |
241 | */ |
248 | */ |
242 | 249 |