Subversion Repositories HelenOS

Rev

Rev 2089 | Rev 2233 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2089 Rev 2227
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
- 
 
 234 
 * a triple fault
- 
 
 235 
 */
- 
 
 236 
void arch_reboot(void)
- 
 
 237 
{
- 
 
 238 
    preemption_disable();
- 
 
 239 
    ipl_t ipl = interrupts_disable();
- 
 
 240 
   
- 
 
 241 
    memsetb((uintptr_t) idt, sizeof(idt), 0);
- 
 
 242 
   
- 
 
 243 
    ptr_16_32_t idtr;
- 
 
 244 
    idtr.limit = sizeof(idt);
- 
 
 245 
    idtr.base = (uintptr_t) idt;
- 
 
 246 
    idtr_load(&idtr);
- 
 
 247 
   
- 
 
 248 
    interrupts_restore(ipl);
- 
 
 249 
    asm volatile (
- 
 
 250 
        "int $0x03\n"
- 
 
 251 
        "hlt\n"
- 
 
 252 
    );
- 
 
 253 
}
- 
 
 254 
 
233 
/** @}
 255 
/** @}
234 
 */
 256 
 */