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authorKorey Sewell <ksewell@umich.edu>2007-06-22 19:03:42 -0400
committerKorey Sewell <ksewell@umich.edu>2007-06-22 19:03:42 -0400
commit753adb38d5471d23315d1bcfc6a744d1c6e03975 (patch)
tree9ae1cc842f4c3756acf86147a5fd6772d7a6622f /src/arch/mips/isa/operands.isa
parent16c1b5484f576b6aebea9ab5ffab4ea64f080de0 (diff)
downloadgem5-753adb38d5471d23315d1bcfc6a744d1c6e03975.tar.xz
mips import pt. 1
src/arch/mips/SConscript: "mips import pt.1". --HG-- extra : convert_revision : 2e393341938bebf32fb638a209262d074fad4cc1
Diffstat (limited to 'src/arch/mips/isa/operands.isa')
-rw-r--r--src/arch/mips/isa/operands.isa71
1 files changed, 63 insertions, 8 deletions
diff --git a/src/arch/mips/isa/operands.isa b/src/arch/mips/isa/operands.isa
index 3843dc053..b89eb5249 100644
--- a/src/arch/mips/isa/operands.isa
+++ b/src/arch/mips/isa/operands.isa
@@ -48,16 +48,37 @@ def operands {{
'Rs': ('IntReg', 'uw', 'RS', 'IsInteger', 2),
'Rt': ('IntReg', 'uw', 'RT', 'IsInteger', 3),
+ #Immediate Value operand
+ 'IntImm': ('IntReg', 'uw', 'INTIMM', 'IsInteger', 3),
+
#Operands used for Link or Syscall Insts
'R31': ('IntReg', 'uw','31','IsInteger', 4),
'R2': ('IntReg', 'uw','2', 'IsInteger', 5),
#Special Integer Reg operands
- 'HI': ('IntReg', 'uw','MipsISA::HI', 'IsInteger', 6),
- 'LO': ('IntReg', 'uw','MipsISA::LO', 'IsInteger', 7),
+ 'LO0': ('IntReg', 'uw','MipsISA::LO', 'IsInteger', 6),
+ 'HI0': ('IntReg', 'uw','MipsISA::HI', 'IsInteger', 7),
- #Immediate Value operand
- 'IntImm': ('IntReg', 'uw', 'INTIMM', 'IsInteger', 3),
+ #Bitfield-dependent HI/LO Register Access
+ 'LO_RD_SEL': ('IntReg','uw','MipsISA::DSPLo0 + ACDST*3', None, 6),
+ 'HI_RD_SEL': ('IntReg','uw','MipsISA::DSPHi0 + ACDST*3', None, 7),
+ 'LO_RS_SEL': ('IntReg','uw','MipsISA::DSPLo0 + ACSRC*3', None, 6),
+ 'HI_RS_SEL': ('IntReg','uw','MipsISA::DSPHi0 + ACSRC*3', None, 7),
+
+ #DSP Special Purpose Integer Operands
+ 'DSPControl': ('IntReg', 'uw', 'MipsISA::DSPControl', None, 8),
+ 'DSPLo0': ('IntReg', 'uw', 'MipsISA::LO', None, 1),
+ 'DSPHi0': ('IntReg', 'uw', 'MipsISA::HI', None, 1),
+ 'DSPACX0': ('IntReg', 'uw', 'MipsISA::DSPACX0', None, 1),
+ 'DSPLo1': ('IntReg', 'uw', 'MipsISA::DSPLo1', None, 1),
+ 'DSPHi1': ('IntReg', 'uw', 'MipsISA::DSPHi1', None, 1),
+ 'DSPACX1': ('IntReg', 'uw', 'MipsISA::DSPACX1', None, 1),
+ 'DSPLo2': ('IntReg', 'uw', 'MipsISA::DSPLo2', None, 1),
+ 'DSPHi2': ('IntReg', 'uw', 'MipsISA::DSPHi2', None, 1),
+ 'DSPACX2': ('IntReg', 'uw', 'MipsISA::DSPACX2', None, 1),
+ 'DSPLo3': ('IntReg', 'uw', 'MipsISA::DSPLo3', None, 1),
+ 'DSPHi3': ('IntReg', 'uw', 'MipsISA::DSPHi3', None, 1),
+ 'DSPACX3': ('IntReg', 'uw', 'MipsISA::DSPACX3', None, 1),
#Floating Point Reg Operands
'Fd': ('FloatReg', 'sf', 'FD', 'IsFloating', 1),
@@ -65,14 +86,14 @@ def operands {{
'Ft': ('FloatReg', 'sf', 'FT', 'IsFloating', 3),
'Fr': ('FloatReg', 'sf', 'FR', 'IsFloating', 3),
- #Special Floating Point Control Reg Operands
+ #Special Purpose Floating Point Control Reg Operands
'FIR': ('FloatReg', 'uw', 'MipsISA::FIR', 'IsFloating', 1),
'FCCR': ('FloatReg', 'uw', 'MipsISA::FCCR', 'IsFloating', 2),
'FEXR': ('FloatReg', 'uw', 'MipsISA::FEXR', 'IsFloating', 3),
'FENR': ('FloatReg', 'uw', 'MipsISA::FENR', 'IsFloating', 3),
'FCSR': ('FloatReg', 'uw', 'MipsISA::FCSR', 'IsFloating', 3),
- #Operands For Paired Singles FP Operations
+ #Operands For Paired Singles FP Operations
'Fd1': ('FloatReg', 'sf', 'FD', 'IsFloating', 4),
'Fd2': ('FloatReg', 'sf', 'FD+1', 'IsFloating', 4),
'Fs1': ('FloatReg', 'sf', 'FS', 'IsFloating', 5),
@@ -82,10 +103,44 @@ def operands {{
'Fr1': ('FloatReg', 'sf', 'FR', 'IsFloating', 7),
'Fr2': ('FloatReg', 'sf', 'FR+1', 'IsFloating', 7),
+ #Status Control Reg
+ 'Status': ('ControlReg', 'uw', 'MipsISA::Status', None, 1),
+
+ #Special cases for when a Control Register Access is dependent on
+ #a combination of bitfield indices (handles MTCO & MFCO)
+ 'CP0_RD_SEL': ('ControlReg', 'uw', 'RD << 3 | SEL', None, 1),
+
+ #MT Control Regs
+ 'MVPConf0': ('ControlReg', 'uw', 'MipsISA::MVPConf0', None, 1),
+ 'MVPControl': ('ControlReg', 'uw', 'MipsISA::MVPControl', None, 1),
+ 'TCBind': ('ControlReg', 'uw', 'MipsISA::TCBind', None, 1),
+ 'TCStatus': ('ControlReg', 'uw', 'MipsISA::TCStatus', None, 1),
+ 'TCRestart': ('ControlReg', 'uw', 'MipsISA::TCRestart', None, 1),
+ 'VPEConf0': ('ControlReg', 'uw', 'MipsISA::VPEConf0', None, 1),
+ 'VPEControl': ('ControlReg', 'uw', 'MipsISA::VPEControl', None, 1),
+ 'YQMask': ('ControlReg', 'uw', 'MipsISA::YQMask', None, 1),
+
+ # named bitfields of Control Regs
+ 'Status_IE': ('ControlBitfield', 'uw', 'MipsISA::Status', None, 1),
+ 'Status_ERL': ('ControlBitfield', 'uw', 'MipsISA::Status', None, 1),
+ 'Status_EXL': ('ControlBitfield', 'uw', 'MipsISA::Status', None, 1),
+ 'Status_CU3': ('ControlBitfield', 'uw', 'MipsISA::Status', None, 1),
+ 'Status_CU2': ('ControlBitfield', 'uw', 'MipsISA::Status', None, 1),
+ 'Status_CU1': ('ControlBitfield', 'uw', 'MipsISA::Status', None, 1),
+ 'Status_CU0': ('ControlBitfield', 'uw', 'MipsISA::Status', None, 1),
+ 'SRSCtl_HSS': ('ControlBitfield', 'uw', 'MipsISA::SRSCtl', None, 4),
+ 'SRSCtl_PSS': ('ControlBitfield', 'uw', 'MipsISA::SRSCtl', None, 4),
+ 'SRSCtl_CSS': ('ControlBitfield', 'uw', 'MipsISA::SRSCtl', None, 4),
+ 'Config_AR': ('ControlBitfield', 'uw', 'MipsISA::Config', None, 3),
+
+ # named bitfields of Debug Regs
+ 'Debug_DM': ('ControlBitfield', 'uw', 'MipsISA::Debug', None, 1),
+ 'Debug_IEXI': ('ControlBitfield', 'uw', 'MipsISA::Debug', None, 1),
+
#Memory Operand
'Mem': ('Mem', 'uw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 4),
#Program Counter Operands
- 'NPC': ('NPC', 'uw', None, ( None, None, 'IsControl' ), 4),
- 'NNPC':('NNPC', 'uw', None, ( None, None, 'IsControl' ), 4)
+ 'NPC': ('NPC', 'uw', None, 'IsControl', 4),
+ 'NNPC':('NNPC', 'uw', None, 'IsControl', 4)
}};