switch video mode hack by dropping to real mode to call the video bios works!

[bootcensus] / src / startup.s

diff --git a/src/startup.s b/src/startup.s
index 82f548e..8041c13 100644 (file)
--- a/src/startup.s
+++ b/src/startup.s
@@ -21,6 +21,9 @@
        .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