Fixed kernel compiling & linking problems

compile.sh

@@ -6,11 +6,11 @@ fail="[FAIL]"
 srcDir=src
 binDir=bin
 
-echo -n "Compiling bootloader... "
+echo "Compiling bootloader... "
-nasm -f bin $srcDir/bootloader.asm -i $srcDir -o $binDir/bootloader.bin && echo $done
+nasm -f bin $srcDir/bootloader.asm -i $srcDir -o $binDir/bootloader.bin 
 
-echo -n "Compiling kernel... "
+echo "Compiling kernel... "
-gcc -ffreestanding -c $srcDir/kernel.c -o $binDir/kernel.o && ld -o $binDir/kernel.bin -Ttext 0x1000 $binDir/kernel.o --oformat binary 2>/dev/null && echo $done
+gcc -fno-pie -m32 -Os -ffreestanding -c $srcDir/kernel.c -o $binDir/kernel.o && gcc -o $binDir/kernel.bin $binDir/kernel.o -Wl,--oformat=binary -ffreestanding -nostdlib -shared -Ttext 0x1000 -m32 
 
-echo -n "Creating OS image... "
+echo "Creating OS image... "
-cat $binDir/bootloader.bin $binDir/kernel.bin > $binDir/os-image && echo $done
+cat $binDir/bootloader.bin $binDir/kernel.bin > $binDir/os-image 

src/bootloader.asm

@@ -38,7 +38,7 @@ BEGIN_PM:
 
 load_kernel:
 	mov bx, KERNEL_OFFSET	; Load kernel at the kernel offset
-	mov dh, 15		; Read 15 sectors
+	mov dh, 7		; Read 15 sectors
 	mov dl, [BOOT_DRIVE]	; Drive index
 	call disk_read		; Load the kernel
 

src/kernel.c

@@ -1,8 +1,6 @@
-//#include "lib/vga.c"
+#include "lib/vga.c"
 
 void main() {
 	// Do kernel stuff
-	char* vidmem = (char*)(0xb8000);
+	println("C-Printing test!", 16);
-	*vidmem = 'X';
-	//println("C-Printing test!", 16);
 }

src/lib/vga.c

@@ -10,11 +10,11 @@ char* get_cursor_pos(unsigned int row, unsigned int col) { return (char*)(VIDEO_
 
 void print(char* str, unsigned int str_len) {
 	for( unsigned int i = 0; i < str_len; i++ ) {
-		*get_cursor_pos(i, cursor_y) = str[i]; 	// write to video memory 
+		*get_cursor_pos(cursor_y, i) = 'X'; 	// write to video memory 
 	}
 }
 
 void println(char* str, unsigned int str_len) {
 	print(str, str_len);
-	cursor_y++;				// Increment to next y-pos (newline)
+	cursor_y++; // Increment to next y-pos (newline)
 }