Added foundation code to initialize the PIT and create a 10ms jiffies

counter.

1 files changed, 8 insertions, 2 deletions

diff --git a/kernel/con.c b/kernel/con.c
index 3b48de1..69c34e1 100644
--- a/kernel/con.c
+++ b/kernel/con.c
@@ -43,8 +43,8 @@ static void scroll_up(void) {
   cursorpos(pos);
 }
 
-/* must be called before any console output */
-void con_init(void) {
+/* clear the console and reset the cursor to the starting position */
+void con_clear(void) {
   int n = COLS * ROWS;
   uint8_t *p = vram;
 
@@ -57,6 +57,12 @@ void con_init(void) {
   cursorpos(0);
 }
 
+/* must be called before any console output */
+void con_init(void) {
+  /* clear the console */
+  con_clear();
+}
+
 /* write a zero-terminated string to console */
 int puts(char *s) {
   uint8_t *p = &vram[pos];