1 files changed, 0 insertions, 32 deletions
diff --git a/timer.c b/timer.c
deleted file mode 100644
index 8df75a9..0000000
--- a/timer.c
+++ /dev/null
@@ -1,32 +0,0 @@
-// Intel 8253/8254/82C54 Programmable Interval Timer (PIT).
-// Only used on uniprocessors;
-// SMP machines use the local APIC timer.
-
-#include "types.h"
-#include "defs.h"
-#include "traps.h"
-#include "x86.h"
-
-#define IO_TIMER1       0x040           // 8253 Timer #1
-
-// Frequency of all three count-down timers;
-// (TIMER_FREQ/freq) is the appropriate count
-// to generate a frequency of freq Hz.
-
-#define TIMER_FREQ      1193182
-#define TIMER_DIV(x)    ((TIMER_FREQ+(x)/2)/(x))
-
-#define TIMER_MODE      (IO_TIMER1 + 3) // timer mode port
-#define TIMER_SEL0      0x00    // select counter 0
-#define TIMER_RATEGEN   0x04    // mode 2, rate generator
-#define TIMER_16BIT     0x30    // r/w counter 16 bits, LSB first
-
-void
-timerinit(void)
-{
-  // Interrupt 100 times/sec.
-  outb(TIMER_MODE, TIMER_SEL0 | TIMER_RATEGEN | TIMER_16BIT);
-  outb(IO_TIMER1, TIMER_DIV(100) % 256);
-  outb(IO_TIMER1, TIMER_DIV(100) / 256);
-  picenable(IRQ_TIMER);
-}