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| author | Richard Qin <richard.qin.x@gmail.com> | 2026-11-08 08:08:35 +0800 |
|---|---|---|
| committer | Richard Qin <richard.qin.x@gmail.com> | 2026-11-08 08:08:35 +0800 |
| commit | 0fe36f1071a1f5b2e0bf9a53e76e8724879c0c9f (patch) | |
| tree | c395ea0626033e2218e04df4836e10209fbd9f81 /mubios/drivers/pic.c | |
| parent | f3541313a873e431f79df94a7bd475e7a3db7b6c (diff) | |
| download | rcc-project-0fe36f1071a1f5b2e0bf9a53e76e8724879c0c9f.tar.gz rcc-project-0fe36f1071a1f5b2e0bf9a53e76e8724879c0c9f.tar.xz | |
[mubios] Fixed wrong mask
Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
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); |