summaryrefslogtreecommitdiff
path: root/kernel/timer.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/timer.h')
-rw-r--r--kernel/timer.h50
1 files changed, 0 insertions, 50 deletions
diff --git a/kernel/timer.h b/kernel/timer.h
deleted file mode 100644
index 1e3d066..0000000
--- a/kernel/timer.h
+++ /dev/null
@@ -1,50 +0,0 @@
-
-/**
- * @file
- * References
- * ----------
- * * http://www.brokenthorn.com/Resources/OSDevPit.html
- * * https://wiki.osdev.org/CMOS
-
-
- vcc/gnd - voltage/ground
-
- D0-D7 - data lines (data bus)
- wr/rd - writing / reading (system control bus)
- cs - ignore wr/rd or not (address bus)
- a0-a1 (address bus)
-
- // the three 16bit down counters/timers/channels
- clk 0-2 (in)
- gate 0-2 (in)
- out 0-2 (out)
-
- //typical
- out1 -> pic interrupt on every tick (system timer)
- out2 - was used for genearting dram memory refresh (Do not use)
- out3 -> pc speaker
-
- gate pins : depend on mode of operation
- we do have modes 0-5.
- mode0: counts down to zero , triggers interrupt and waits
- mode1:
- mode2: rate generator (sys timer)
- ....
- */
-
-#include <stdint.h>
-
-/**
- * Initilize time and PIT (trigger 25 times a second).
- * Returns the number of seconds passed since 1970.
- */
-uint64_t timer_init();
-
-/** get number of ticks since boot */
-uint64_t timer_get_ticks();
-
-/** get number of milliseconds since boot */
-uint64_t timer_get_uptime_ms();
-
-/** get number of milliseconds since 1970 */
-uint64_t timer_get_ms();