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 7a2631a9c94379fd322fdb44f20026b15f9f3137..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,
@@ -117,15 +117,40 @@ 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),
-        'ControlDest':   ('ControlReg', 'uqw', 'MISCREG_CR(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 71),
-        'ControlSrc1':   ('ControlReg', 'uqw', 'MISCREG_CR(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 72),
-        'EferOp':        ('ControlReg', 'uqw', 'MISCREG_EFER', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 73),
-        'CR4Op':         ('ControlReg', 'uqw', 'MISCREG_CR4', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 74),
-        'CSBase':        ('ControlReg', 'udw', 'MISCREG_CS_EFF_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 80),
-        'Mem':           ('Mem', 'uqw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 100)
+
+        # Operands to get and set registers indexed by the operands of the
+        # original instruction.
+        'ControlDest':   ('ControlReg', 'uqw', 'MISCREG_CR(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 100),
+        'ControlSrc1':   ('ControlReg', 'uqw', 'MISCREG_CR(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 101),
+        'SegBaseDest':  ('ControlReg', 'uqw', 'MISCREG_SEG_BASE(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 102),
+        'SegBaseSrc1':  ('ControlReg', 'uqw', 'MISCREG_SEG_BASE(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 103),
+        'SegLimitDest': ('ControlReg', 'uqw', 'MISCREG_SEG_LIMIT(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 104),
+        'SegLimitSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_LIMIT(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 105),
+        'SegSelDest': ('ControlReg', 'uqw', 'MISCREG_SEG_SEL(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 106),
+        'SegSelSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_SEL(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 107),
+        'SegAttrDest': ('ControlReg', 'uqw', 'MISCREG_SEG_ATTR(dest)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 108),
+        'SegAttrSrc1': ('ControlReg', 'uqw', 'MISCREG_SEG_ATTR(src1)', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 109),
+
+        # Operands to access specific control registers directly.
+        'EferOp':        ('ControlReg', 'uqw', 'MISCREG_EFER', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 200),
+        'CR4Op':         ('ControlReg', 'uqw', 'MISCREG_CR4', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 201),
+        'LDTRBase':      ('ControlReg', 'uqw', 'MISCREG_TSL_BASE', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 202),
+        'LDTRLimit':     ('ControlReg', 'uqw', 'MISCREG_TSL_LIMIT', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 203),
+        'LDTRSel':       ('ControlReg', 'uqw', 'MISCREG_TSL', (None, None, ['IsSerializeAfter','IsSerializing','IsNonSpeculative']), 204),
+        '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)
 }};