From 62c79ca63703ee2b2c5947016c0c5e10744c2479 Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Sat, 1 Dec 2007 23:01:17 -0800
Subject: X86: Implement the lgdt instruction.

--HG--
extra : convert_revision : d1698a82df3c57cc9bbf8d5d190f271bfc7cb2e4
---
 src/arch/x86/isa/microasm.isa | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/arch/x86/isa/microasm.isa')

diff --git a/src/arch/x86/isa/microasm.isa b/src/arch/x86/isa/microasm.isa
index 040bb2036..8c499eeed 100644
--- a/src/arch/x86/isa/microasm.isa
+++ b/src/arch/x86/isa/microasm.isa
@@ -80,6 +80,10 @@ let {{
     # Add in symbols for the segment descriptor registers
     for letter in ("C", "D", "E", "F", "G", "S"):
         assembler.symbols["%ss" % letter.lower()] = "SEGMENT_REG_%sS" % letter
+
+    for reg in ("LDTR", "TR", "GDTR", "IDTR"):
+        assembler.symbols[reg.lower()] = "SYS_SEGMENT_REG_%s" % reg
+
     # Miscellaneous symbols
     symbols = {
         "reg" : "env.reg",
@@ -138,6 +142,13 @@ let {{
         env.dataSize = 8;
     '''
 
+    assembler.symbols["oszForPseudoDesc"] = '''
+    if (machInst.mode.submode == SixtyFourBitMode)
+        env.dataSize = 8;
+    else
+        env.dataSize = 4;
+    '''
+
     def trimImm(width):
         return "adjustedImm = adjustedImm & mask(%s);" % width
 
-- 
cgit v1.2.3