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| author | Freya Murphy <freya@freyacat.org> | 2025-04-22 11:22:42 -0400 |
|---|---|---|
| committer | Freya Murphy <freya@freyacat.org> | 2025-04-22 11:22:42 -0400 |
| commit | 37bd000b189378dfe27ed61f6441673ca99666c1 (patch) | |
| tree | 8020d2d281930dc1d82eb695cff820c4a2242015 /kernel/drivers | |
| parent | prettify make messages (diff) | |
| download | comus-37bd000b189378dfe27ed61f6441673ca99666c1.tar.gz comus-37bd000b189378dfe27ed61f6441673ca99666c1.tar.bz2 comus-37bd000b189378dfe27ed61f6441673ca99666c1.zip | |
make pit ticks volatile, disable reload for now since broken
Diffstat (limited to 'kernel/drivers')
| -rw-r--r-- | kernel/drivers/pit.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/kernel/drivers/pit.c b/kernel/drivers/pit.c index a8fe179..1a05f03 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 +21,9 @@ 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(); + // FIXME: broken on -O0 + // cli(); + // outb(CHAN_0, count & 0xFF); // low byte + // outb(CHAN_0, (count & 0xFF00) >> 8); // high byte + // sti(); } |