Rev 4015 | Rev 4055 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 4015 | Rev 4022 | ||
---|---|---|---|
Line 1... | Line 1... | ||
1 | /* |
1 | /* |
2 | * Copyright (c) 2001-2004 Jakub Jermar |
- | |
3 | * Copyright (c) 2009 Jiri Svoboda |
2 | * Copyright (c) 2009 Jiri Svoboda |
4 | * Copyright (c) 2009 Martin Decky |
- | |
5 | * All rights reserved. |
3 | * All rights reserved. |
6 | * |
4 | * |
7 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
9 | * are met: |
7 | * are met: |
Line 26... | Line 24... | ||
26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * (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 |
28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | */ |
27 | */ |
30 | 28 | ||
31 | /** @addtogroup ia32 |
29 | /** @addtogroup genarch |
32 | * @{ |
30 | * @{ |
33 | */ |
31 | */ |
34 | /** @file |
32 | /** @file |
35 | */ |
33 | */ |
36 | 34 | ||
37 | #include <arch.h> |
35 | #include <genarch/multiboot/multiboot.h> |
38 | - | ||
39 | #include <arch/types.h> |
36 | #include <arch/types.h> |
40 | - | ||
41 | #include <arch/pm.h> |
37 | #include <typedefs.h> |
42 | - | ||
43 | #include <genarch/drivers/legacy/ia32/io.h> |
- | |
44 | #include <genarch/drivers/ega/ega.h> |
- | |
45 | #include <arch/drivers/vesa.h> |
- | |
46 | #include <genarch/kbd/i8042.h> |
- | |
47 | #include <arch/drivers/i8254.h> |
- | |
48 | #include <arch/drivers/i8259.h> |
- | |
49 | - | ||
50 | #include <arch/context.h> |
- | |
51 | - | ||
52 | #include <config.h> |
38 | #include <config.h> |
53 | - | ||
54 | #include <arch/interrupt.h> |
- | |
55 | #include <arch/asm.h> |
- | |
56 | #include <genarch/acpi/acpi.h> |
- | |
57 | - | ||
58 | #include <arch/bios/bios.h> |
- | |
59 | - | ||
60 | #include <interrupt.h> |
- | |
61 | #include <ddi/irq.h> |
- | |
62 | #include <arch/debugger.h> |
- | |
63 | #include <proc/thread.h> |
- | |
64 | #include <syscall/syscall.h> |
- | |
65 | #include <console/console.h> |
- | |
66 | #include <ddi/device.h> |
- | |
67 | #include <sysinfo/sysinfo.h> |
- | |
68 | #include <arch/boot/boot.h> |
- | |
69 | #include <string.h> |
39 | #include <string.h> |
70 | #include <macros.h> |
40 | #include <macros.h> |
71 | 41 | ||
72 | #ifdef CONFIG_SMP |
- | |
73 | #include <arch/smp/apic.h> |
- | |
74 | #endif |
- | |
75 | - | ||
76 | /** Extract command name from the multiboot module command line. |
42 | /** Extract command name from the multiboot module command line. |
77 | * |
43 | * |
78 | * @param buf Destination buffer (will always null-terminate). |
44 | * @param buf Destination buffer (will always null-terminate). |
79 | * @param n Size of destination buffer. |
45 | * @param n Size of destination buffer. |
80 | * @param cmd_line Input string (the command line). |
46 | * @param cmd_line Input string (the command line). |
Line 108... | Line 74... | ||
108 | max_len = min(n - 1, (size_t) (end - start)); |
74 | max_len = min(n - 1, (size_t) (end - start)); |
109 | strncpy(buf, start, max_len + 1); |
75 | strncpy(buf, start, max_len + 1); |
110 | buf[max_len] = '\0'; |
76 | buf[max_len] = '\0'; |
111 | } |
77 | } |
112 | 78 | ||
113 | /** C part of ia32 boot sequence. |
79 | /** Parse multiboot information structure. |
- | 80 | * |
|
- | 81 | * If @a signature does not contain a valid multiboot signature, |
|
- | 82 | * assumes no multiboot information is available. |
|
114 | * |
83 | * |
115 | * @param signature Should contain the multiboot signature. |
84 | * @param signature Should contain the multiboot signature. |
116 | * @param mi Pointer to the multiboot information structure. |
85 | * @param mi Pointer to the multiboot information structure. |
117 | */ |
86 | */ |
118 | void arch_pre_main(uint32_t signature, const mb_info_t *mi) |
87 | void multiboot_info_parse(uint32_t signature, const multiboot_info_t *mi) |
119 | { |
88 | { |
120 | uint32_t flags; |
89 | uint32_t flags; |
121 | mb_mod_t *mods; |
90 | multiboot_mod_t *mods; |
122 | uint32_t i; |
91 | uint32_t i; |
123 | 92 | ||
124 | if (signature == MULTIBOOT_LOADER_MAGIC) |
93 | if (signature == MULTIBOOT_LOADER_MAGIC) |
125 | flags = mi->flags; |
94 | flags = mi->flags; |
126 | else { |
95 | else { |
Line 130... | Line 99... | ||
130 | 99 | ||
131 | /* Copy module information. */ |
100 | /* Copy module information. */ |
132 | 101 | ||
133 | if ((flags & MBINFO_FLAGS_MODS) != 0) { |
102 | if ((flags & MBINFO_FLAGS_MODS) != 0) { |
134 | init.cnt = mi->mods_count; |
103 | init.cnt = mi->mods_count; |
135 | mods = mi->mods_addr; |
104 | mods = (multiboot_mod_t *) MULTIBOOT_PTR(mi->mods_addr); |
136 | 105 | ||
137 | for (i = 0; i < init.cnt; i++) { |
106 | for (i = 0; i < init.cnt; i++) { |
138 | init.tasks[i].addr = mods[i].start + 0x80000000; |
107 | init.tasks[i].addr = PA2KA(mods[i].start); |
139 | init.tasks[i].size = mods[i].end - mods[i].start; |
108 | init.tasks[i].size = mods[i].end - mods[i].start; |
140 | 109 | ||
141 | /* Copy command line, if available. */ |
110 | /* Copy command line, if available. */ |
142 | if (mods[i].string) { |
111 | if (mods[i].string) { |
143 | extract_command(init.tasks[i].name, |
112 | extract_command(init.tasks[i].name, |
144 | CONFIG_TASK_NAME_BUFLEN, |
113 | CONFIG_TASK_NAME_BUFLEN, |
145 | mods[i].string); |
114 | MULTIBOOT_PTR(mods[i].string)); |
146 | } else |
115 | } else |
147 | init.tasks[i].name[0] = '\0'; |
116 | init.tasks[i].name[0] = '\0'; |
148 | } |
117 | } |
149 | } else |
118 | } else |
150 | init.cnt = 0; |
119 | init.cnt = 0; |
151 | 120 | ||
152 | /* Copy memory map. */ |
121 | /* Copy memory map. */ |
153 | 122 | ||
154 | int32_t mmap_length; |
123 | int32_t mmap_length; |
155 | mb_mmap_t *mme; |
124 | multiboot_mmap_t *mme; |
156 | uint32_t size; |
125 | uint32_t size; |
157 | 126 | ||
158 | if ((flags & MBINFO_FLAGS_MMAP) != 0) { |
127 | if ((flags & MBINFO_FLAGS_MMAP) != 0) { |
159 | mmap_length = mi->mmap_length; |
128 | mmap_length = mi->mmap_length; |
160 | mme = mi->mmap_addr; |
129 | mme = MULTIBOOT_PTR(mi->mmap_addr); |
161 | e820counter = 0; |
130 | e820counter = 0; |
162 | 131 | ||
163 | i = 0; |
132 | i = 0; |
164 | while (mmap_length > 0) { |
133 | while (mmap_length > 0) { |
165 | e820table[i++] = mme->mm_info; |
134 | e820table[i++] = mme->mm_info; |
Line 171... | Line 140... | ||
171 | } |
140 | } |
172 | 141 | ||
173 | e820counter = i; |
142 | e820counter = i; |
174 | } else |
143 | } else |
175 | e820counter = 0; |
144 | e820counter = 0; |
176 | - | ||
177 | #ifdef CONFIG_SMP |
- | |
178 | /* Copy AP bootstrap routines below 1 MB. */ |
- | |
179 | memcpy((void *) AP_BOOT_OFFSET, (void *) BOOT_OFFSET, |
- | |
180 | (size_t) &_hardcoded_unmapped_size); |
- | |
181 | #endif |
- | |
182 | } |
- | |
183 | - | ||
184 | void arch_pre_mm_init(void) |
- | |
185 | { |
- | |
186 | pm_init(); |
- | |
187 | - | ||
188 | if (config.cpu_active == 1) { |
- | |
189 | interrupt_init(); |
- | |
190 | bios_init(); |
- | |
191 | - | ||
192 | /* PIC */ |
- | |
193 | i8259_init(); |
- | |
194 | } |
- | |
195 | } |
- | |
196 | - | ||
197 | void arch_post_mm_init(void) |
- | |
198 | { |
- | |
199 | if (config.cpu_active == 1) { |
- | |
200 | /* Initialize IRQ routing */ |
- | |
201 | irq_init(IRQ_COUNT, IRQ_COUNT); |
- | |
202 | - | ||
203 | /* hard clock */ |
- | |
204 | i8254_init(); |
- | |
205 | - | ||
206 | #ifdef CONFIG_FB |
- | |
207 | if (vesa_present()) |
- | |
208 | vesa_init(); |
- | |
209 | else |
- | |
210 | #endif |
- | |
211 | ega_init(EGA_BASE, EGA_VIDEORAM); /* video */ |
- | |
212 | - | ||
213 | /* Enable debugger */ |
- | |
214 | debugger_init(); |
- | |
215 | /* Merge all memory zones to 1 big zone */ |
- | |
216 | zone_merge_all(); |
- | |
217 | } |
- | |
218 | } |
- | |
219 | - | ||
220 | void arch_post_cpu_init() |
- | |
221 | { |
- | |
222 | #ifdef CONFIG_SMP |
- | |
223 | if (config.cpu_active > 1) { |
- | |
224 | l_apic_init(); |
- | |
225 | l_apic_debug(); |
- | |
226 | } |
- | |
227 | #endif |
- | |
228 | } |
- | |
229 | - | ||
230 | void arch_pre_smp_init(void) |
- | |
231 | { |
- | |
232 | if (config.cpu_active == 1) { |
- | |
233 | #ifdef CONFIG_SMP |
- | |
234 | acpi_init(); |
- | |
235 | #endif /* CONFIG_SMP */ |
- | |
236 | } |
- | |
237 | } |
- | |
238 | - | ||
239 | void arch_post_smp_init(void) |
- | |
240 | { |
- | |
241 | devno_t devno = device_assign_devno(); |
- | |
242 | /* keyboard controller */ |
- | |
243 | (void) i8042_init((i8042_t *) I8042_BASE, devno, IRQ_KBD); |
- | |
244 | - | ||
245 | /* |
- | |
246 | * This is the necessary evil until the userspace driver is entirely |
- | |
247 | * self-sufficient. |
- | |
248 | */ |
- | |
249 | sysinfo_set_item_val("kbd", NULL, true); |
- | |
250 | sysinfo_set_item_val("kbd.devno", NULL, devno); |
- | |
251 | sysinfo_set_item_val("kbd.inr", NULL, IRQ_KBD); |
- | |
252 | } |
- | |
253 | - | ||
254 | void calibrate_delay_loop(void) |
- | |
255 | { |
- | |
256 | i8254_calibrate_delay_loop(); |
- | |
257 | if (config.cpu_active == 1) { |
- | |
258 | /* |
- | |
259 | * This has to be done only on UP. |
- | |
260 | * On SMP, i8254 is not used for time keeping and its interrupt pin remains masked. |
- | |
261 | */ |
- | |
262 | i8254_normal_operation(); |
- | |
263 | } |
- | |
264 | } |
- | |
265 | - | ||
266 | /** Set thread-local-storage pointer |
- | |
267 | * |
- | |
268 | * TLS pointer is set in GS register. That means, the GS contains |
- | |
269 | * selector, and the descriptor->base is the correct address. |
- | |
270 | */ |
- | |
271 | unative_t sys_tls_set(unative_t addr) |
- | |
272 | { |
- | |
273 | THREAD->arch.tls = addr; |
- | |
274 | set_tls_desc(addr); |
- | |
275 | - | ||
276 | return 0; |
- | |
277 | } |
- | |
278 | - | ||
279 | /** Acquire console back for kernel |
- | |
280 | * |
- | |
281 | */ |
- | |
282 | void arch_grab_console(void) |
- | |
283 | { |
- | |
284 | #ifdef CONFIG_FB |
- | |
285 | vesa_redraw(); |
- | |
286 | #else |
- | |
287 | ega_redraw(); |
- | |
288 | #endif |
- | |
289 | } |
- | |
290 | - | ||
291 | /** Return console to userspace |
- | |
292 | * |
- | |
293 | */ |
- | |
294 | void arch_release_console(void) |
- | |
295 | { |
- | |
296 | } |
- | |
297 | - | ||
298 | /** Construct function pointer |
- | |
299 | * |
- | |
300 | * @param fptr function pointer structure |
- | |
301 | * @param addr function address |
- | |
302 | * @param caller calling function address |
- | |
303 | * |
- | |
304 | * @return address of the function pointer |
- | |
305 | * |
- | |
306 | */ |
- | |
307 | void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
- | |
308 | { |
- | |
309 | return addr; |
- | |
310 | } |
145 | } |
311 | 146 | ||
312 | /** @} |
147 | /** @} |
313 | */ |
148 | */ |