commit e90f264dfa3387747473cb5a6bc82d1740f9e88e
author Kevin O'Connor <kevin@koconnor.net> Sat Jun 28 12:18:39 2008 -0400
committer Kevin O'Connor <kevin@koconnor.net> Sat Jun 28 12:18:39 2008 -0400
tree 445c82fcfc8d3bef8127a9e3d897155f6ee0d88f
parent a05223c876ea62952a2e07910d6e6a4dacee3a2f

Set BIOS checksum at 0xfffff.

src/post.c

diff --git a/src/post.c b/src/post.c
index 33f14f4..b41e77f 100644
--- a/src/post.c
+++ b/src/post.c
@@ -329,6 +329,9 @@
     // Present the user with a bootup menu.
     interactive_bootmenu();
 
+    // Setup bios checksum.
+    *(u8*)0xfffff = -checksum((u8*)0xf0000, 0xffff);
+
     // Prep for boot process.
     make_bios_readonly();
     clear_bss();