Initial commit

src/hal/idt.h

@@ -0,0 +1,37 @@
+#include "error.h"
+#include <stdbool.h>
+#include <stdint.h>
+
+typedef struct idt_descriptor {
+    uint16_t offset_low;
+    uint16_t segment_sel;
+    uint8_t ist;
+    uint8_t attributes;
+    uint16_t offset_high;
+    uint32_t offset_higher;
+    uint32_t reserved;
+} __attribute((packed))idt_descriptor;
+
+typedef struct idt_register {
+    uint16_t limit;
+    uint64_t base_address;
+} __attribute((packed)) idt_register;
+
+typedef struct interrupt_frame {
+	uint64_t r15, r14, r13, r12, r11, r10, r9, r8, rdi, rsi, rbp, rdx, rcx, rbx, rax;
+    uint64_t int_no, err;
+	uint64_t rip, cs, rflags, rsp, ss;
+} __attribute((packed)) interrupt_frame;
+
+typedef struct irq_t {
+    void *base;
+    bool in_use;
+}irq_t;
+
+void set_idt_descriptor(uint8_t vector, void *base, uint8_t flags);
+
+kstatus register_irq_vector(uint8_t vector, void *base, uint8_t flags);
+
+int register_irq(void *base, uint8_t flags);
+
+void set_idt(void);