crt0: use stosb not zero and mov

Z80 programmer escaped into x86

diff --git a/Kernel/platform-ibmpc/crt0.S b/Kernel/platform-ibmpc/crt0.S
index 3cc219c..fce2fea 100644 (file)
--- a/Kernel/platform-ibmpc/crt0.S
+++ b/Kernel/platform-ibmpc/crt0.S
@@ -17,9 +17,9 @@ start:
        movw    $__bss_start+1,%di
        movw    $__end,%cx
        subw    $__bss_start+1,%cx
-       movb    $0,(%si)
+       xorb    %al,%al
        rep
-       movsb
+       stosb
 
        call    init_early
        call    init_hardware