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[SMP] Initialize APs

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This commit is contained in:
Thomas Lovén
2016-11-23 16:16:50 +01:00
parent 6a2bef5517
commit 8961ae33eb
5 changed files with 50 additions and 22 deletions
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36
kernel/interrupts/interrupts.c
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@@ -6,7 +6,7 @@
#include <thread.h>
struct int_gate_descriptor idt[NUM_INTERRUPTS];
struct idtr idtr;
struct idtr idtr = {0,0};
int_handler_t int_handlers[NUM_INTERRUPTS];
void idt_set(uint32_t num, void *vector, uint16_t cs, uint8_t ist, uint8_t flags)
@@ -22,21 +22,29 @@ void idt_set(uint32_t num, void *vector, uint16_t cs, uint8_t ist, uint8_t flags
void interrupt_init()
{
// Clear IDT and interrupt handler list
memset(idt, 0, sizeof(idt));
memset(int_handlers, 0, sizeof(int_handlers));
// Register all vectors in the IDT
extern void *isr_table[];
for(int i=0; i < NUM_INTERRUPTS; i++)
if(!idtr.addr)
{
idt_set(i, isr_table[i], 0x8, 0,
(IDT_PRESENT | IDT_DPL0 | IDT_INTERRUPT));
}
// Clear IDT and interrupt handler list
memset(idt, 0, sizeof(idt));
memset(int_handlers, 0, sizeof(int_handlers));
// Setup pointer and load IDT
idtr.addr = (uint64_t)idt;
idtr.len = sizeof(idt)-1;
// Register all vectors in the IDT
extern void *isr_table[];
for(int i=0; i < NUM_INTERRUPTS; i++)
{
idt_set(i, isr_table[i], 0x8, 0,
(IDT_PRESENT | IDT_DPL0 | IDT_INTERRUPT));
}
// Setup pointer and load IDT
idtr.addr = (uint64_t)idt;
idtr.len = sizeof(idt)-1;
}
load_idt(&idtr);
}
void interrupt_init_smp()
{
load_idt(&idtr);
}