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feature: start to implement keyboard handler and better isrs/irqs

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This commit is contained in:
0x35c
2024-10-09 17:54:29 +02:00
parent 0812a06350
commit 4fb51d4356
11 changed files with 451 additions and 141 deletions
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39
src/interrupt/handler.c
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@ -3,8 +3,8 @@
#include "kprintf.h"
#include "utils.h"
#include <stddef.h>
#include <stdint.h>
#define NTMFDP 0
const char *faults[] = {
"division by zero",
@ -29,36 +29,29 @@ const char *faults[] = {
"SIMD floating point exception",
};
void exception_handler(void)
static isr_t interrupt_handlers[16];
void isr_handler(struct registers *regs)
{
int8_t index = -1;
__asm__ volatile("movb %%bl, %0" ::"m"(index));
if (index == -1) {
kprintf(KERN_ERR "interrupt triggered without a code\n");
return;
}
uint8_t i = 0;
while (i < ARRAY_SIZE(faults)) {
if (i == index)
if (i == regs->int_no)
kpanic("interrupt: %s\n", faults[i]);
i++;
}
kprintf(KERN_ERR "interrupt triggered with no matching code\n");
}
void irq_handler(void)
void register_interrupt_handler(int i, isr_t handler)
{
int8_t index = -1;
__asm__ volatile("movb %%bl, %0" ::"m"(index));
pic_send_eoi(index);
if (index == -1) {
kprintf(KERN_ERR "interrupt triggered without a code\n");
return;
}
if (index == 0)
return;
kpanic("%d\n", index);
interrupt_handlers[i] = handler;
}
void irq_handler(struct registers *regs)
{
if (regs->int_no != 0) {
isr_t handler = interrupt_handlers[regs->int_no];
handler(regs);
}
pic_send_eoi(regs->int_no);
}