X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fstartup.s;h=8041c13d404f7bb8fa1fb8217a2bf11ea568359d;hb=4c7af0d72e32cc07c04345bc9fe57a4a32a29695;hp=4e3238981398839a986ff70867e80c0a7384857a;hpb=d1e8a437c1fab4535f82c4c214ec3330ac32e48d;p=bootcensus

diff --git a/src/startup.s b/src/startup.s
index 4e32389..8041c13 100644
--- a/src/startup.s
+++ b/src/startup.s
@@ -21,10 +21,14 @@
 	.extern _bss_end
 	.extern pcboot_main
 
+	# move the stack to the top of the conventional memory
+	movl $0x80000, %esp
+
 	# zero the BSS section
 	xor %eax, %eax
-	mov _bss_start, %edi
-	mov _bss_size, %ecx
+	mov $_bss_start, %edi
+	mov $_bss_size, %ecx
+	cmp $0, %ecx
 	jz skip_bss_zero
 	shr $4, %ecx
 	rep stosl