1 files changed, 0 insertions, 55 deletions
diff --git a/drivers/pit.c b/drivers/pit.c
deleted file mode 100644
index 711883c..0000000
--- a/drivers/pit.c
+++ /dev/null
@@ -1,55 +0,0 @@
-#include "pit.h"
-
-#define PIT_IO_CHANNEL_0 0x40
-#define PIT_IO_MODE_COMMAND 0x43
-
-uint64_t clock_num_ms_ticks = 0;
-uint64_t pit_counter = 0;
-uint16_t hertz;
-
-uint64_t pit_num_ms(void) { return clock_num_ms_ticks; }
-
-uint16_t read_pit_count(void) {
-  uint16_t count = 0;
-
-  outb(PIT_IO_MODE_COMMAND, 0x0 /*0b00000000*/);
-
-  count = inb(PIT_IO_CHANNEL_0);
-  count |= inb(PIT_IO_CHANNEL_0) << 8;
-
-  return count;
-}
-
-void set_pit_count(uint16_t hertz) {
-  uint16_t divisor = 1193180 / hertz;
-
-  /*
-   * 0b00110110
-   *   ^^
-   * channel - 0
-   *     ^^
-   * r/w mode - LSB then MSB
-   *       ^^^
-   * mode - 3 Square Wave Mode
-   *          ^
-   * BCD - no
-   */
-  outb(PIT_IO_MODE_COMMAND, 0x36 /*0b00110110*/);
-  outb(PIT_IO_CHANNEL_0, divisor & 0xFF);
-  outb(PIT_IO_CHANNEL_0, (divisor & 0xFF00) >> 8);
-}
-
-__attribute__((interrupt)) void
-int_clock(__attribute__((unused)) struct interrupt_frame *frame) {
-  outb(0x20, 0x20);
-  pit_counter++;
-  if (pit_counter >= hertz / 1000) {
-    pit_counter = 0;
-    clock_num_ms_ticks++;
-  }
-  switch_task();
-}
-
-void pit_install(void) {
-  install_handler(int_clock, INT_32_INTERRUPT_GATE(0x0), 0x20);
-}