diff options
Diffstat (limited to 'mubios/arch/irq.S')
| -rw-r--r-- | mubios/arch/irq.S | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/mubios/arch/irq.S b/mubios/arch/irq.S index 4e3b4e2..0c192ff 100644 --- a/mubios/arch/irq.S +++ b/mubios/arch/irq.S @@ -116,3 +116,16 @@ irq1_send_eoi: pop bx pop ax iret + + .global irq7_entry + .type irq7_entry, @function + +irq7_entry: + push ax + + # Acknowledge IRQ7 on the master PIC. + mov al, 0x20 + out 0x20, al + + pop ax + iret |