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| author | Ian McFarlane <i.mcfarlane2002@gmail.com> | 2025-04-21 00:51:52 -0400 |
|---|---|---|
| committer | Ian McFarlane <i.mcfarlane2002@gmail.com> | 2025-04-21 00:51:52 -0400 |
| commit | 333283724af3cb6ae6f7990feba8905b23d78323 (patch) | |
| tree | ea868f11411830825de241bf01a54630b1cc9207 /kernel/drivers | |
| parent | fixed inw/outw mixup (diff) | |
| parent | fix virt mem start (diff) | |
| download | comus-333283724af3cb6ae6f7990feba8905b23d78323.tar.gz comus-333283724af3cb6ae6f7990feba8905b23d78323.tar.bz2 comus-333283724af3cb6ae6f7990feba8905b23d78323.zip | |
Merge branch 'main' of github.com:kenshineto/kern
Diffstat (limited to 'kernel/drivers')
| -rw-r--r-- | kernel/drivers/pit.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/drivers/pit.c b/kernel/drivers/pit.c index 5b15dd9..a8fe179 100644 --- a/kernel/drivers/pit.c +++ b/kernel/drivers/pit.c @@ -8,17 +8,19 @@ uint64_t ticks = 0; -uint16_t pit_read_divider(void) { +uint16_t pit_read_divider(void) +{ uint16_t count = 0; cli(); outb(CMD, 0); // clear bits count = inb(CHAN_0); // low byte - count |= inb(CHAN_0)<<8; // highbyte + count |= inb(CHAN_0) << 8; // highbyte sti(); return count; } -void pit_set_divider(uint16_t count) { +void pit_set_divider(uint16_t count) +{ cli(); outb(CHAN_0, count & 0xFF); // low byte outb(CHAN_0, (count & 0xFF00) >> 8); // high byte |