1 files changed, 50 insertions, 0 deletions
diff --git a/src/cpu/interrupts.s b/src/cpu/interrupts.s
new file mode 100644
index 0000000..17c39e9
--- /dev/null
+++ b/src/cpu/interrupts.s
@@ -0,0 +1,50 @@
+.section .text
+.extern handle_interrupt
+
+.macro interrupt num
+.global interrupt\num
+interrupt\num:
+    movb $\num, (irq)
+    jmp interrupt_common
+.endm
+
+interrupt 0x00  # system timer
+interrupt 0x01  # keyboard controller
+interrupt 0x02  # slave pic
+interrupt 0x03  # serial port 2 and 4
+interrupt 0x04  # serial port 1 and 3
+interrupt 0x05  # parallel port 2 and 3, sound card
+interrupt 0x06  # floppy controller
+interrupt 0x07  # parallel port 1
+
+interrupt 0x08  # real-time clock
+interrupt 0x09  # acpi
+interrupt 0x0a  #
+interrupt 0x0b  #
+interrupt 0x0c  # mouse on ps/2
+interrupt 0x0d  # fpu
+interrupt 0x0e  # primary ATA
+interrupt 0x0f  # secondary ATA
+
+interrupt_common:
+    pusha
+    pushl %ds
+    pushl %es
+    pushl %fs
+    pushl %gs
+
+    pushl %esp
+    push (irq)
+    call handle_interrupt
+    mov %eax, %esp
+
+    popl %gs
+    popl %fs
+    popl %es
+    popl %ds
+    popa
+    iret
+
+.data
+    irq: .byte 0
+