X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fthreads%2Floader.S;h=5a8eacde275eeab9017b69385987193567d77694;hb=e16cf23bd993de3726287f9920efa8f667232423;hp=8e5eeb722e1051c7b94df7f3b7ff1ce8f8b51268;hpb=9cc8ba53f694dd7e2c2255e0caaa264bfa39a6fa;p=pintos-anon

diff --git a/src/threads/loader.S b/src/threads/loader.S
index 8e5eeb7..5a8eacd 100644
--- a/src/threads/loader.S
+++ b/src/threads/loader.S
@@ -12,6 +12,11 @@
 # first byte of the kernel, where start.S is linked.
 ##############################################################################
 	
+/* Flags in control register 0 */
+#define CR0_PE 0x00000001      /* Protection Enable. */
+#define CR0_EM 0x00000004      /* (Floating-point) Emulation. */
+#define CR0_PG 0x80000000      /* Paging. */
+
 .globl start				# Entry point	
 start:	.code16				# This runs in real mode
 	cli				# Disable interrupts