Initial Commit

src/boot/entry.S

@@ -0,0 +1,14 @@
+.section .text
+.global _start
+_start:
+    la sp, stack_top      # Set up the stack pointer
+    call kmain            # Jump to our C code
+loop:
+    wfi                   # Wait for Interrupt (saves CPU)
+    j loop                # Infinite loop if C returns
+
+.section .bss
+.align 16
+stack_low:
+    .skip 4096            # 4KB of stack space
+stack_top:

src/kernel/kernel.c

@@ -0,0 +1,11 @@
+#include <stdint.h>
+#include <stddef.h>
+
+void kmain() {
+    char *uart = (char *)0x10000000;
+    char *msg = "Hello, OS World!\n";
+    
+    for (int i = 0; msg[i] != '\0'; i++) {
+        *uart = msg[i]; // Write each character to the UART
+    }
+}