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| author | Ian McFarlane <i.mcfarlane2002@gmail.com> | 2025-04-22 14:51:47 -0400 |
|---|---|---|
| committer | Ian McFarlane <i.mcfarlane2002@gmail.com> | 2025-04-22 14:51:47 -0400 |
| commit | 325e2ea9aef0723645b86bdc773f02293747c495 (patch) | |
| tree | 2d844c3e30a27eaf463fed851620221f3ad7d540 /kernel/drivers/pit.c | |
| parent | try to find mcfg (diff) | |
| parent | force rebuild on header change (diff) | |
| download | comus-325e2ea9aef0723645b86bdc773f02293747c495.tar.gz comus-325e2ea9aef0723645b86bdc773f02293747c495.tar.bz2 comus-325e2ea9aef0723645b86bdc773f02293747c495.zip | |
Merge branch 'main' into pciepcie
Diffstat (limited to 'kernel/drivers/pit.c')
| -rw-r--r-- | kernel/drivers/pit.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/kernel/drivers/pit.c b/kernel/drivers/pit.c index a8fe179..d77df08 100644 --- a/kernel/drivers/pit.c +++ b/kernel/drivers/pit.c @@ -6,7 +6,7 @@ #define CHAN_2 0x42 #define CMD 0x43 -uint64_t ticks = 0; +volatile uint64_t ticks = 0; uint16_t pit_read_divider(void) { @@ -21,8 +21,10 @@ uint16_t pit_read_divider(void) void pit_set_divider(uint16_t count) { - cli(); - outb(CHAN_0, count & 0xFF); // low byte - outb(CHAN_0, (count & 0xFF00) >> 8); // high byte - sti(); + (void)count; + // FIXME: broken on -O0 + // cli(); + // outb(CHAN_0, count & 0xFF); // low byte + // outb(CHAN_0, (count & 0xFF00) >> 8); // high byte + // sti(); } |