LeonMMcoset/cleonos
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Leonmmcoset
2026-04-10 16:55:48 +08:00
parent 60f028db64
commit 0b69c97662
14 changed files with 547 additions and 1 deletions
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12
clks/kernel/interrupts.c
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@@ -3,10 +3,12 @@
#include <clks/interrupts.h>
#include <clks/log.h>
#include <clks/scheduler.h>
#include <clks/syscall.h>
#include <clks/types.h>
#define CLKS_IDT_ENTRY_COUNT 256U
#define CLKS_INTERRUPT_GATE 0x8EU
#define CLKS_USER_INT_GATE 0xEEU
#define CLKS_PIC1_CMD 0x20U
#define CLKS_PIC1_DATA 0x21U
@@ -17,6 +19,7 @@
#define CLKS_IRQ_BASE 32U
#define CLKS_IRQ_TIMER 32U
#define CLKS_IRQ_LAST 47U
#define CLKS_SYSCALL_VECTOR 128U
struct clks_idt_entry {
u16 offset_low;
@@ -107,6 +110,7 @@ extern void clks_isr_stub_44(void);
extern void clks_isr_stub_45(void);
extern void clks_isr_stub_46(void);
extern void clks_isr_stub_47(void);
extern void clks_isr_stub_128(void);
static struct clks_idt_entry clks_idt[CLKS_IDT_ENTRY_COUNT];
static u16 clks_idt_code_selector = 0x08U;
@@ -228,6 +232,11 @@ static void clks_enable_interrupts(void) {
void clks_interrupt_dispatch(struct clks_interrupt_frame *frame) {
u64 vector = frame->vector;
if (vector == CLKS_SYSCALL_VECTOR) {
frame->rax = clks_syscall_dispatch((void *)frame);
return;
}
if (vector < 32U) {
clks_log(CLKS_LOG_ERROR, "EXC", clks_exception_names[vector]);
clks_log_hex(CLKS_LOG_ERROR, "EXC", "VECTOR", vector);
@@ -238,6 +247,7 @@ void clks_interrupt_dispatch(struct clks_interrupt_frame *frame) {
if (vector == CLKS_IRQ_TIMER) {
clks_timer_ticks++;
clks_scheduler_on_timer_tick(clks_timer_ticks);
}
if (vector >= CLKS_IRQ_BASE && vector <= CLKS_IRQ_LAST) {
@@ -304,6 +314,8 @@ void clks_interrupts_init(void) {
clks_idt_set_gate(46, clks_isr_stub_46, CLKS_INTERRUPT_GATE);
clks_idt_set_gate(47, clks_isr_stub_47, CLKS_INTERRUPT_GATE);
clks_idt_set_gate(CLKS_SYSCALL_VECTOR, clks_isr_stub_128, CLKS_USER_INT_GATE);
clks_pic_remap_and_mask();
clks_load_idt();
clks_enable_interrupts();