Implemented serial driver

2025-02-18 14:06:41 +01:00
parent f9dece59ce
commit 609e10e13c
6 changed files with 145 additions and 6 deletions
@@ -1,13 +1,25 @@
 #include <kernel.h>
+#include <serial.h>
 #include <tty.h>

 #define _hlt()	while (1) __asm__ volatile ("cli; hlt");

 __noreturn
 void kmain(void) {
+	serial_init(COM1);
+	serial_print(COM1, "kern.\n\n");
+	while (1) {
+		char c = serial_recv(COM1);
+		serial_send(COM1, c);
+		if (c == '\r') {
+			serial_send(COM1, '\n');
+			break;
+		}
+	}
+
 	tty_init();
 	tty_puts("Hello, World!\n");

-	_hlt();
+	panic("kmain() reached end!");
 }