1 files changed, 0 insertions, 35 deletions
diff --git a/drivers/serial.c b/drivers/serial.c
deleted file mode 100644
index 549d852..0000000
--- a/drivers/serial.c
+++ /dev/null
@@ -1,35 +0,0 @@
-#include "cpu/io.h"
-
-#define PORT 0x3f8 // COM1
-
-int serial_init(void) {
-  outb(PORT + 1, 0x00); // Disable all interrupts
-  outb(PORT + 3, 0x80); // Enable DLAB (set baud rate divisor)
-  outb(PORT + 0, 0x03); // Set divisor to 3 (lo byte) 38400 baud
-  outb(PORT + 1, 0x00); //                  (hi byte)
-  outb(PORT + 3, 0x03); // 8 bits, no parity, one stop bit
-  outb(PORT + 2, 0xC7); // Enable FIFO, clear them, with 14-byte threshold
-  outb(PORT + 4, 0x0B); // IRQs enabled, RTS/DSR set
-  outb(PORT + 4, 0x1E); // Set in loopback mode, test the serial chip
-  outb(PORT + 0, 0xAE); // Test serial chip (send byte 0xAE and check if serial
-                        // returns same byte)
-
-  // Check if serial is faulty (i.e: not same byte as sent)
-  if (inb(PORT + 0) != 0xAE) {
-    return 1;
-  }
-
-  // If serial is not faulty set it in normal operation mode
-  // (not-loopback with IRQs enabled and OUT#1 and OUT#2 bits enabled)
-  outb(PORT + 4, 0x0F);
-  return 0;
-}
-
-int is_transmit_empty() { return inb(PORT + 5) & 0x20; }
-
-void write_serial(char a) {
-  while (is_transmit_empty() == 0)
-    ;
-
-  outb(PORT, a);
-}