X86: Keep handy values like the operating mode in one register.

[gem5.git] / src / arch / x86 / isa / operands.isa

diff --git a/src/arch/x86/isa/operands.isa b/src/arch/x86/isa/operands.isa
index 9345158e9291d957dcc8b98926dfc737aff12958..446580c1b7417e107ede0cb9bf5052cc03ac8a13 100644 (file)
--- a/src/arch/x86/isa/operands.isa
+++ b/src/arch/x86/isa/operands.isa
@@ -26,7 +26,7 @@
 //
 // Authors: Gabe Black
 
-// Copyright (c) 2007 The Hewlett-Packard Development Company
+// Copyright (c) 2007-2008 The Hewlett-Packard Development Company
 // All rights reserved.
 //
 // Redistribution and use of this software in source and binary forms,
@@ -117,10 +117,13 @@ def operands {{
         'RIP':           ('NPC', 'uqw', None, (None, None, 'IsControl'), 50),
         'uIP':           ('UPC', 'uqw', None, (None, None, 'IsControl'), 51),
         'nuIP':          ('NUPC', 'uqw', None, (None, None, 'IsControl'), 52),
+        # This holds the condition code portion of the flag register. The
+        # nccFlagBits version holds the rest.
         'ccFlagBits':    ('IntReg', 'uqw', 'INTREG_PSEUDO(0)', None, 60),
-        # The TOP register should needs to be more protected so that later
+        # These register should needs to be more protected so that later
         # instructions don't map their indexes with an old value.
-        'TOP':           ('ControlReg', 'ub', 'MISCREG_X87_TOP', None, 61),
+        'nccFlagBits':   ('ControlReg', 'uqw', 'MISCREG_RFLAGS', None, 61),
+        'TOP':           ('ControlReg', 'ub', 'MISCREG_X87_TOP', None, 62),
         # The segment base as used by memory instructions.
         'SegBase':       ('ControlReg', 'uqw', 'MISCREG_SEG_EFF_BASE(segment)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 70),
 
@@ -146,5 +149,8 @@ def operands {{
         'GDTRBase':      ('ControlReg', 'uqw', 'MISCREG_TSG_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 205),
         'GDTRLimit':     ('ControlReg', 'uqw', 'MISCREG_TSG_LIMIT', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 206),
         'CSBase':        ('ControlReg', 'udw', 'MISCREG_CS_EFF_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 207),
+        'CSAttr':        ('ControlReg', 'udw', 'MISCREG_CS_ATTR', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 208),
+        'TscOp':         ('ControlReg', 'udw', 'MISCREG_TSC', (None, None, ['IsSerializeAfter', 'IsSerializing', 'IsNonSpeculative']), 209),
+        'M5Reg':         ('ControlReg', 'udw', 'MISCREG_M5_REG', (None, None, None), 210),
         'Mem':           ('Mem', 'uqw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 300)
 }};