kernel: string: add a strcpy function

Add an implmentation of strcpy. This function is used in several places
in the kernel to copy strings between memory addresses.

Signed-off-by: Danny Holman <dholman@gymli.org>

1 files changed, 6 insertions, 10 deletions

diff --git a/arch/i386/boot/boot.s b/arch/i386/boot/boot.s
index 4b9106d..2d17f6a 100644
--- a/arch/i386/boot/boot.s
+++ b/arch/i386/boot/boot.s
@@ -76,25 +76,21 @@ _start:
 1:      hlt
         jmp 1b
 
-.global load_page_dir
-.type load_page_dir, @function
-load_page_dir:
+.global enable_paging
+.type enable_paging, @function
+enable_paging:
         pushl %ebp
         movl %esp, %ebp
 
         movl 8(%esp), %eax
         movl %eax, %cr3
 
-        movl %ebp, %esp
-        popl %ebp
-        ret
-
-.global enable_paging
-.type enable_paging, @function
-enable_paging:
         movl %cr0, %eax
         orl $0x80000001, %eax
         movl %eax, %cr0
+
+        movl $0, %eax
+        popl %ebp
         ret
 
 .global flush_gdt