1 files changed, 95 insertions, 0 deletions
diff --git a/kernel/inc/drivers/interrupts.h b/kernel/inc/drivers/interrupts.h
new file mode 100644
index 0000000..7c0c1e7
--- /dev/null
+++ b/kernel/inc/drivers/interrupts.h
@@ -0,0 +1,95 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#ifndef IDT_H
+#define IDT_H
+
+#include <def.h>
+
+struct regs {
+	u32 gs, fs, es, ds;
+	u32 edi, esi, ebp, esp, ebx, edx, ecx, eax;
+	u32 int_no, err_code;
+	u32 eip, cs, eflags, useresp, ss;
+};
+
+struct idt_entry {
+	u16 base_low;
+	u16 sel; // Kernel segment
+	u8 always0; // Always 0
+	u8 flags;
+	u16 base_high;
+} PACKED;
+
+struct idt_ptr {
+	u16 limit;
+	void *base;
+} PACKED;
+
+void idt_set_gate(u8 num, u32 base, u16 sel, u8 flags);
+
+void irq_install_handler(int irq, void (*handler)(struct regs *r)) NONNULL;
+void irq_uninstall_handler(int irq);
+
+void isr_install_handler(int isr, void (*handler)(struct regs *r)) NONNULL;
+void isr_uninstall_handler(int isr);
+void isr_panic(struct regs *r) NONNULL;
+
+void interrupts_install(void);
+
+// External handlers (ASM)
+
+extern void isr0(struct regs *r);
+extern void isr1(struct regs *r);
+extern void isr2(struct regs *r);
+extern void isr3(struct regs *r);
+extern void isr4(struct regs *r);
+extern void isr5(struct regs *r);
+extern void isr6(struct regs *r);
+extern void isr7(struct regs *r);
+extern void isr8(struct regs *r);
+extern void isr9(struct regs *r);
+extern void isr10(struct regs *r);
+extern void isr11(struct regs *r);
+extern void isr12(struct regs *r);
+extern void isr13(struct regs *r);
+extern void isr14(struct regs *r);
+extern void isr15(struct regs *r);
+extern void isr16(struct regs *r);
+extern void isr17(struct regs *r);
+extern void isr18(struct regs *r);
+extern void isr19(struct regs *r);
+extern void isr20(struct regs *r);
+extern void isr21(struct regs *r);
+extern void isr22(struct regs *r);
+extern void isr23(struct regs *r);
+extern void isr24(struct regs *r);
+extern void isr25(struct regs *r);
+extern void isr26(struct regs *r);
+extern void isr27(struct regs *r);
+extern void isr28(struct regs *r);
+extern void isr29(struct regs *r);
+extern void isr30(struct regs *r);
+extern void isr31(struct regs *r);
+extern void isr127(struct regs *r);
+extern void isr128(struct regs *r);
+
+extern void irq0(struct regs *r);
+extern void irq1(struct regs *r);
+extern void irq2(struct regs *r);
+extern void irq3(struct regs *r);
+extern void irq4(struct regs *r);
+extern void irq5(struct regs *r);
+extern void irq6(struct regs *r);
+extern void irq7(struct regs *r);
+extern void irq8(struct regs *r);
+extern void irq9(struct regs *r);
+extern void irq10(struct regs *r);
+extern void irq11(struct regs *r);
+extern void irq12(struct regs *r);
+extern void irq13(struct regs *r);
+extern void irq14(struct regs *r);
+extern void irq15(struct regs *r);
+extern void irq127(struct regs *r);
+extern void irq128(struct regs *r);
+
+#endif