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Rev 2131 | Rev 2307 | ||
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Line 119... | Line 119... | ||
119 | * This function takes care of proper setup of IDT and IDTR. |
119 | * This function takes care of proper setup of IDT and IDTR. |
120 | */ |
120 | */ |
121 | void idt_init(void) |
121 | void idt_init(void) |
122 | { |
122 | { |
123 | idescriptor_t *d; |
123 | idescriptor_t *d; |
124 | int i; |
124 | unsigned int i; |
125 | 125 | ||
126 | for (i = 0; i < IDT_ITEMS; i++) { |
126 | for (i = 0; i < IDT_ITEMS; i++) { |
127 | d = &idt[i]; |
127 | d = &idt[i]; |
128 | 128 | ||
129 | d->unused = 0; |
129 | d->unused = 0; |
Line 228... | Line 228... | ||
228 | gdt_setbase(&gdt_p[TLS_DES], tls); |
228 | gdt_setbase(&gdt_p[TLS_DES], tls); |
229 | /* Reload gdt register to update GS in CPU */ |
229 | /* Reload gdt register to update GS in CPU */ |
230 | gdtr_load(&cpugdtr); |
230 | gdtr_load(&cpugdtr); |
231 | } |
231 | } |
232 | 232 | ||
- | 233 | /* Reboot the machine by initiating |
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- | 234 | * a triple fault |
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- | 235 | */ |
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- | 236 | void arch_reboot(void) |
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- | 237 | { |
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- | 238 | preemption_disable(); |
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- | 239 | ipl_t ipl = interrupts_disable(); |
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- | 240 | ||
- | 241 | memsetb((uintptr_t) idt, sizeof(idt), 0); |
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- | 242 | ||
- | 243 | ptr_16_32_t idtr; |
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- | 244 | idtr.limit = sizeof(idt); |
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- | 245 | idtr.base = (uintptr_t) idt; |
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- | 246 | idtr_load(&idtr); |
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- | 247 | ||
- | 248 | interrupts_restore(ipl); |
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- | 249 | asm volatile ( |
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- | 250 | "int $0x03\n" |
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- | 251 | "cli\n" |
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- | 252 | "hlt\n" |
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- | 253 | ); |
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- | 254 | } |
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- | 255 | ||
233 | /** @} |
256 | /** @} |
234 | */ |
257 | */ |