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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/kbd/i8042.h> |
48 | #include <genarch/kbrd/kbrd.h> |
48 | #include <arch/drivers/i8254.h> |
49 | #include <arch/drivers/i8254.h> |
49 | #include <arch/drivers/i8259.h> |
50 | #include <arch/drivers/i8259.h> |
50 | 51 | ||
51 | #include <arch/context.h> |
52 | #include <arch/context.h> |
52 | 53 | ||
53 | #include <config.h> |
54 | #include <config.h> |
54 | 55 | ||
55 | #include <arch/interrupt.h> |
56 | #include <arch/interrupt.h> |
56 | #include <arch/asm.h> |
57 | #include <arch/asm.h> |
57 | #include <genarch/acpi/acpi.h> |
58 | #include <genarch/acpi/acpi.h> |
58 | 59 | ||
59 | #include <arch/bios/bios.h> |
60 | #include <arch/bios/bios.h> |
60 | 61 | ||
61 | #include <interrupt.h> |
62 | #include <interrupt.h> |
62 | #include <ddi/irq.h> |
63 | #include <ddi/irq.h> |
63 | #include <arch/debugger.h> |
64 | #include <arch/debugger.h> |
64 | #include <proc/thread.h> |
65 | #include <proc/thread.h> |
65 | #include <syscall/syscall.h> |
66 | #include <syscall/syscall.h> |
66 | #include <console/console.h> |
67 | #include <console/console.h> |
67 | #include <ddi/device.h> |
68 | #include <ddi/device.h> |
68 | #include <sysinfo/sysinfo.h> |
69 | #include <sysinfo/sysinfo.h> |
69 | #include <arch/boot/boot.h> |
70 | #include <arch/boot/boot.h> |
70 | 71 | ||
71 | #ifdef CONFIG_SMP |
72 | #ifdef CONFIG_SMP |
72 | #include <arch/smp/apic.h> |
73 | #include <arch/smp/apic.h> |
73 | #endif |
74 | #endif |
74 | 75 | ||
75 | /** Perform ia32-specific initialization before main_bsp() is called. |
76 | /** Perform ia32-specific initialization before main_bsp() is called. |
76 | * |
77 | * |
77 | * @param signature Should contain the multiboot signature. |
78 | * @param signature Should contain the multiboot signature. |
78 | * @param mi Pointer to the multiboot information structure. |
79 | * @param mi Pointer to the multiboot information structure. |
79 | */ |
80 | */ |
80 | void arch_pre_main(uint32_t signature, const multiboot_info_t *mi) |
81 | void arch_pre_main(uint32_t signature, const multiboot_info_t *mi) |
81 | { |
82 | { |
82 | /* Parse multiboot information obtained from the bootloader. */ |
83 | /* Parse multiboot information obtained from the bootloader. */ |
83 | multiboot_info_parse(signature, mi); |
84 | multiboot_info_parse(signature, mi); |
84 | 85 | ||
85 | #ifdef CONFIG_SMP |
86 | #ifdef CONFIG_SMP |
86 | /* Copy AP bootstrap routines below 1 MB. */ |
87 | /* Copy AP bootstrap routines below 1 MB. */ |
87 | memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET, |
88 | memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET, |
88 | (size_t) &_hardcoded_unmapped_size); |
89 | (size_t) &_hardcoded_unmapped_size); |
89 | #endif |
90 | #endif |
90 | } |
91 | } |
91 | 92 | ||
92 | void arch_pre_mm_init(void) |
93 | void arch_pre_mm_init(void) |
93 | { |
94 | { |
94 | pm_init(); |
95 | pm_init(); |
95 | 96 | ||
96 | if (config.cpu_active == 1) { |
97 | if (config.cpu_active == 1) { |
97 | interrupt_init(); |
98 | interrupt_init(); |
98 | bios_init(); |
99 | bios_init(); |
99 | 100 | ||
100 | /* PIC */ |
101 | /* PIC */ |
101 | i8259_init(); |
102 | i8259_init(); |
102 | } |
103 | } |
103 | } |
104 | } |
104 | 105 | ||
105 | void arch_post_mm_init(void) |
106 | void arch_post_mm_init(void) |
106 | { |
107 | { |
107 | if (config.cpu_active == 1) { |
108 | if (config.cpu_active == 1) { |
108 | /* Initialize IRQ routing */ |
109 | /* Initialize IRQ routing */ |
109 | irq_init(IRQ_COUNT, IRQ_COUNT); |
110 | irq_init(IRQ_COUNT, IRQ_COUNT); |
110 | 111 | ||
111 | /* hard clock */ |
112 | /* hard clock */ |
112 | i8254_init(); |
113 | i8254_init(); |
113 | 114 | ||
114 | #ifdef CONFIG_FB |
115 | #ifdef CONFIG_FB |
115 | if (vesa_present()) |
116 | if (vesa_present()) |
116 | vesa_init(); |
117 | vesa_init(); |
117 | else |
118 | else |
118 | #endif |
119 | #endif |
119 | ega_init(EGA_BASE, EGA_VIDEORAM); /* video */ |
120 | ega_init(EGA_BASE, EGA_VIDEORAM); /* video */ |
120 | 121 | ||
121 | /* Enable debugger */ |
122 | /* Enable debugger */ |
122 | debugger_init(); |
123 | debugger_init(); |
123 | /* Merge all memory zones to 1 big zone */ |
124 | /* Merge all memory zones to 1 big zone */ |
124 | zone_merge_all(); |
125 | zone_merge_all(); |
125 | } |
126 | } |
126 | } |
127 | } |
127 | 128 | ||
128 | void arch_post_cpu_init() |
129 | void arch_post_cpu_init() |
129 | { |
130 | { |
130 | #ifdef CONFIG_SMP |
131 | #ifdef CONFIG_SMP |
131 | if (config.cpu_active > 1) { |
132 | if (config.cpu_active > 1) { |
132 | l_apic_init(); |
133 | l_apic_init(); |
133 | l_apic_debug(); |
134 | l_apic_debug(); |
134 | } |
135 | } |
135 | #endif |
136 | #endif |
136 | } |
137 | } |
137 | 138 | ||
138 | void arch_pre_smp_init(void) |
139 | void arch_pre_smp_init(void) |
139 | { |
140 | { |
140 | if (config.cpu_active == 1) { |
141 | if (config.cpu_active == 1) { |
141 | #ifdef CONFIG_SMP |
142 | #ifdef CONFIG_SMP |
142 | acpi_init(); |
143 | acpi_init(); |
143 | #endif /* CONFIG_SMP */ |
144 | #endif /* CONFIG_SMP */ |
144 | } |
145 | } |
145 | } |
146 | } |
146 | 147 | ||
147 | void arch_post_smp_init(void) |
148 | void arch_post_smp_init(void) |
148 | { |
149 | { |
149 | devno_t devno = device_assign_devno(); |
150 | devno_t devno = device_assign_devno(); |
- | 151 | ||
- | 152 | /* |
|
- | 153 | * Initialize the keyboard module and conect it to stdin. Then |
|
- | 154 | * initialize the i8042 controller and connect it to kbrdin. Enable |
|
150 | /* keyboard controller */ |
155 | * keyboard interrupts. |
- | 156 | */ |
|
- | 157 | kbrd_init(stdin); |
|
151 | (void) i8042_init((i8042_t *) I8042_BASE, devno, IRQ_KBD); |
158 | (void) i8042_init((i8042_t *) I8042_BASE, devno, IRQ_KBD, &kbrdin); |
- | 159 | trap_virtual_enable_irqs(1 << IRQ_KBD); |
|
152 | 160 | ||
153 | /* |
161 | /* |
154 | * This is the necessary evil until the userspace driver is entirely |
162 | * This is the necessary evil until the userspace driver is entirely |
155 | * self-sufficient. |
163 | * self-sufficient. |
156 | */ |
164 | */ |
157 | sysinfo_set_item_val("kbd", NULL, true); |
165 | sysinfo_set_item_val("kbd", NULL, true); |
158 | sysinfo_set_item_val("kbd.devno", NULL, devno); |
166 | sysinfo_set_item_val("kbd.devno", NULL, devno); |
159 | sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD); |
167 | sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD); |
160 | sysinfo_set_item_val("kbd.address.physical", NULL, |
168 | sysinfo_set_item_val("kbd.address.physical", NULL, |
161 | (uintptr_t) I8042_BASE); |
169 | (uintptr_t) I8042_BASE); |
162 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
170 | sysinfo_set_item_val("kbd.address.kernel", NULL, |
163 | (uintptr_t) I8042_BASE); |
171 | (uintptr_t) I8042_BASE); |
164 | } |
172 | } |
165 | 173 | ||
166 | void calibrate_delay_loop(void) |
174 | void calibrate_delay_loop(void) |
167 | { |
175 | { |
168 | i8254_calibrate_delay_loop(); |
176 | i8254_calibrate_delay_loop(); |
169 | if (config.cpu_active == 1) { |
177 | if (config.cpu_active == 1) { |
170 | /* |
178 | /* |
171 | * This has to be done only on UP. |
179 | * This has to be done only on UP. |
172 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
180 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
173 | */ |
181 | */ |
174 | i8254_normal_operation(); |
182 | i8254_normal_operation(); |
175 | } |
183 | } |
176 | } |
184 | } |
177 | 185 | ||
178 | /** Set thread-local-storage pointer |
186 | /** Set thread-local-storage pointer |
179 | * |
187 | * |
180 | * TLS pointer is set in GS register. That means, the GS contains |
188 | * TLS pointer is set in GS register. That means, the GS contains |
181 | * selector, and the descriptor->base is the correct address. |
189 | * selector, and the descriptor->base is the correct address. |
182 | */ |
190 | */ |
183 | unative_t sys_tls_set(unative_t addr) |
191 | unative_t sys_tls_set(unative_t addr) |
184 | { |
192 | { |
185 | THREAD->arch.tls = addr; |
193 | THREAD->arch.tls = addr; |
186 | set_tls_desc(addr); |
194 | set_tls_desc(addr); |
187 | 195 | ||
188 | return 0; |
196 | return 0; |
189 | } |
197 | } |
190 | 198 | ||
191 | /** Acquire console back for kernel |
199 | /** Acquire console back for kernel |
192 | * |
200 | * |
193 | */ |
201 | */ |
194 | void arch_grab_console(void) |
202 | void arch_grab_console(void) |
195 | { |
203 | { |
196 | #ifdef CONFIG_FB |
204 | #ifdef CONFIG_FB |
197 | vesa_redraw(); |
205 | vesa_redraw(); |
198 | #else |
206 | #else |
199 | ega_redraw(); |
207 | ega_redraw(); |
200 | #endif |
208 | #endif |
201 | } |
209 | } |
202 | 210 | ||
203 | /** Return console to userspace |
211 | /** Return console to userspace |
204 | * |
212 | * |
205 | */ |
213 | */ |
206 | void arch_release_console(void) |
214 | void arch_release_console(void) |
207 | { |
215 | { |
208 | } |
216 | } |
209 | 217 | ||
210 | /** Construct function pointer |
218 | /** Construct function pointer |
211 | * |
219 | * |
212 | * @param fptr function pointer structure |
220 | * @param fptr function pointer structure |
213 | * @param addr function address |
221 | * @param addr function address |
214 | * @param caller calling function address |
222 | * @param caller calling function address |
215 | * |
223 | * |
216 | * @return address of the function pointer |
224 | * @return address of the function pointer |
217 | * |
225 | * |
218 | */ |
226 | */ |
219 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
227 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
220 | { |
228 | { |
221 | return addr; |
229 | return addr; |
222 | } |
230 | } |
223 | 231 | ||
224 | /** @} |
232 | /** @} |
225 | */ |
233 | */ |
226 | 234 |