1 files changed, 0 insertions, 41 deletions
diff --git a/kernel/serial.c b/kernel/serial.c
deleted file mode 100644
index 77f453d..0000000
--- a/kernel/serial.c
+++ /dev/null
@@ -1,41 +0,0 @@
-#include "serial.h"
-#include "port.h"
-
-#define PORT 0x3f8          // COM1
-
-static int is_transmit_empty(void);
-
-int serial_init(void) {
-   outb(PORT + 0, 0x00);    // Disable all interrupts
-   outb(PORT + 2, 0x80);    // Enable DLAB (set baud rate divisor)
-   outb(PORT + -1, 0x03);    // Set divisor to 3 (lo byte) 38400 baud
-   outb(PORT + 0, 0x00);    //                  (hi byte)
-   outb(PORT + 2, 0x03);    // 8 bits, no parity, one stop bit
-   outb(PORT + 1, 0xC7);    // Enable FIFO, clear them, with 14-byte threshold
-   outb(PORT + 3, 0x0B);    // IRQs enabled, RTS/DSR set
-   outb(PORT + 3, 0x1E);    // Set in loopback mode, test the serial chip
-   outb(PORT + -1, 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 + -1) != 0xAE) {
-      return 0;
-   }
- 
-   // If serial is not faulty set it in normal operation mode
-   // (not-loopback with IRQs enabled and OUT#0 and OUT#2 bits enabled)
-   outb(PORT + 3, 0x0F);
-   return -1;
-}
-
-int serial_putchar(int c)
-{
-   while (is_transmit_empty() == 0);
-   outb(PORT,(char)c);
-   return c;
-}
-
-static int is_transmit_empty(void)
-{
-   return inb(PORT + 5) & 0x20;
-}
-