bootloader/boot.S

@@ -82,15 +82,20 @@ stage2_main:
 
 	call elf_read_kernel_to_memory
 
-	cli
+	# re-enter 80x25 text mode to clear screen
+	pushw %ax
+	movb $0x03, %al
+	movb $0x00, %ah
+	int $0x10
+	popw %ax
 
+	cli
 
 	# setup protected mode
 	movl %cr0, %ebx
 	orb $1, %bl
 	movl %ebx, %cr0
 
-
 	# jump to kernel in protected mode
 	ljmpl $0x18, $protected_mode
 

bootloader/elf.S

@@ -170,7 +170,7 @@ elf_read_kernel_to_memory:
 	andl $0x7FFFFFFF, %edi
 	movl (elf_program_header + p_filesz), %ecx
 
-	call print_hex32; call print_newline
+	#call print_hex32; call print_newline
 
 	call *%esi
 

bootloader/ext2.S

@@ -409,13 +409,14 @@ ext2_inode_read_bytes:
 	addl %edx, %esi
 
 	# very dumb memcpy with 32 bit addresses
+	movl $0, %ebx
  .ext2_inode_read_bytes_memcpy_partial:
-	movb (%esi), %al
-	movb %al, (%edi)
-	incl %esi
-	incl %edi
+	movb (%esi, %ebx), %al
+	movb %al, (%edi, %ebx)
+	incl %ebx
 	decl %ecx
 	jnz .ext2_inode_read_bytes_memcpy_partial
+	addl %ebx, %edi
 
 	# check if all sectors are read
 	cmpl $0, 4(%esp)
@@ -441,13 +442,14 @@ ext2_inode_read_bytes:
 
 	# very dumb memcpy with 32 bit addresses
 	movl $ext2_block_buffer, %esi
+	movl $0, %ebx
  .ext2_inode_read_bytes_memcpy:
-	movb (%esi), %al
-	movb %al, (%edi)
-	incl %esi
-	incl %edi
+	movb (%esi, %ebx), %al
+	movb %al, (%edi, %ebx)
+	incl %ebx
 	decl %ecx
 	jnz .ext2_inode_read_bytes_memcpy
+	addl %ebx, %edi
 
 	# read next block if more sectors remaining
 	cmpl $0, 4(%esp)