From: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Wed, 12 Nov 2003 23:23:42 +0000 (+0000)
Subject: added comments and TSS bit
X-Git-Tag: release_0_5_1~53
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e670b89e3b42997fc7fb997bdfdc6ff998cfd8a7;p=thirdparty%2Fqemu.git

added comments and TSS bit


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@449 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 00bc17e76cd..0d5d8244cca 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -58,12 +58,14 @@
 #define DESC_TYPE_SHIFT 8
 #define DESC_A_MASK     (1 << 8)
 
-#define DESC_CS_MASK    (1 << 11)
-#define DESC_C_MASK     (1 << 10)
-#define DESC_R_MASK     (1 << 9)
+#define DESC_CS_MASK    (1 << 11) /* 1=code segment 0=data segment */
+#define DESC_C_MASK     (1 << 10) /* code: conforming */
+#define DESC_R_MASK     (1 << 9)  /* code: readable */
 
-#define DESC_E_MASK     (1 << 10)
-#define DESC_W_MASK     (1 << 9)
+#define DESC_E_MASK     (1 << 10) /* data: expansion direction */
+#define DESC_W_MASK     (1 << 9)  /* data: writable */
+
+#define DESC_TSS_BUSY_MASK (1 << 9)
 
 /* eflags masks */
 #define CC_C   	0x0001