diff options
Diffstat (limited to 'src/kernel/arch/amd64/interrupts/irq.c')
| -rw-r--r-- | src/kernel/arch/amd64/interrupts/irq.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/kernel/arch/amd64/interrupts/irq.c b/src/kernel/arch/amd64/interrupts/irq.c index 74bc48c..b5e9255 100644 --- a/src/kernel/arch/amd64/interrupts/irq.c +++ b/src/kernel/arch/amd64/interrupts/irq.c @@ -6,21 +6,20 @@ static const int PIC1 = 0x20; static const int PIC2 = 0xA0; void irq_init(void) { - port_out8(PIC1, 0x11); /* start init sequence */ + port_out8(PIC1, 0x11); /* start init sequence */ port_out8(PIC2, 0x11); - port_out8(PIC1+1, 0x20); /* interrupt offsets */ - port_out8(PIC2+1, 0x30); + port_out8(PIC1+1, IRQ_IBASE); /* interrupt offsets */ + port_out8(PIC2+1, IRQ_IBASE + 8); - port_out8(PIC1+1, 0x4); /* just look at the osdev wiki lol */ + port_out8(PIC1+1, 0x4); port_out8(PIC2+1, 0x2); - - port_out8(PIC1+1, 0x1); /* 8086 mode */ + port_out8(PIC1+1, 0x1); port_out8(PIC2+1, 0x1); uint8_t mask = 0xff; - mask &= ~(1 << 1); // keyboard - mask &= ~(1 << 4); // COM1 + mask &= ~(1 << IRQ_PS2); + mask &= ~(1 << IRQ_COM1); port_out8(PIC1+1, mask); port_out8(PIC2+1, 0xff); |