diff options
Diffstat (limited to 'mubios/drivers/pic.c')
| -rw-r--r-- | mubios/drivers/pic.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mubios/drivers/pic.c b/mubios/drivers/pic.c index 2144b6b..1cabb52 100644 --- a/mubios/drivers/pic.c +++ b/mubios/drivers/pic.c @@ -36,7 +36,7 @@ #define PIC1_CASCADE_ID 0x04u #define PIC2_CASCADE_ID 0x02u -#define PIC1_MASK_DEFAULT 0xFAu +#define PIC1_MASK_DEFAULT 0xF8u #define PIC2_MASK_DEFAULT 0xFFu void @@ -55,8 +55,8 @@ pic_init (void) io_out8 (PIC2_DATA, PIC_ICW4_8086); /* - * Keep the cascade line enabled. - * All actual hardware IRQ lines remain masked. + * Keep the timer, keyboard, and cascade lines enabled. + * All other master IRQ lines remain masked. */ io_out8 (PIC1_DATA, PIC1_MASK_DEFAULT); io_out8 (PIC2_DATA, PIC2_MASK_DEFAULT); |