diff options
Diffstat (limited to 'kernel/src/cpu/pic.c')
| -rw-r--r-- | kernel/src/cpu/pic.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/kernel/src/cpu/pic.c b/kernel/src/cpu/pic.c index 83bb524..cfcc4d5 100644 --- a/kernel/src/cpu/pic.c +++ b/kernel/src/cpu/pic.c @@ -6,10 +6,12 @@ void remap_pic(void) // starts the initialization sequence (in cascade mode) outb(PIC1_COMMAND, ICW1_INIT | ICW1_ICW4); outb(PIC2_COMMAND, ICW1_INIT | ICW1_ICW4); - outb(PIC1_DATA, 0xe0); // ICW2: Master PIC vector offset - outb(PIC2_DATA, 0xe8); // ICW2: Slave PIC vector offset - outb(PIC1_DATA, 4); // ICW3: tell Master PIC that there is a slave PIC at IRQ2 (0000 0100) - outb(PIC2_DATA, 2); // ICW3: tell Slave PIC its cascade identity (0000 0010) + outb(PIC1_DATA, 0xe0); // ICW2: Master PIC vector offset + outb(PIC2_DATA, 0xe8); // ICW2: Slave PIC vector offset + outb(PIC1_DATA, + 4); // ICW3: tell Master PIC that there is a slave PIC at IRQ2 (0000 0100) + outb(PIC2_DATA, + 2); // ICW3: tell Slave PIC its cascade identity (0000 0010) outb(PIC1_DATA, ICW4_8086); outb(PIC2_DATA, ICW4_8086); |