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authorGabe Black <gblack@eecs.umich.edu>2009-07-01 22:16:51 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-07-01 22:16:51 -0700
commit148c265cf3b08a55188f214bf8c778e678558eda (patch)
treebc4dbc389e905438a51df258f1edbcf3d4248a1b
parent7172e26cc446556e6b8241549d5d188b5cb0cd37 (diff)
downloadgem5-148c265cf3b08a55188f214bf8c778e678558eda.tar.xz
ARM: Get rid of some bitfields that aren't used. A few may need to be readded.
-rw-r--r--src/arch/arm/isa/bitfields.isa89
-rw-r--r--src/arch/arm/types.hh75
2 files changed, 9 insertions, 155 deletions
diff --git a/src/arch/arm/isa/bitfields.isa b/src/arch/arm/isa/bitfields.isa
index c9f15ff59..5785939cc 100644
--- a/src/arch/arm/isa/bitfields.isa
+++ b/src/arch/arm/isa/bitfields.isa
@@ -36,30 +36,17 @@
// Opcode fields
def bitfield ENCODING encoding;
def bitfield OPCODE opcode;
-def bitfield OPCODE_24_23 opcode24_23;
def bitfield MEDIA_OPCODE mediaOpcode;
def bitfield MEDIA_OPCODE2 mediaOpcode2;
def bitfield OPCODE_24 opcode24;
def bitfield OPCODE_23_20 opcode23_20;
def bitfield OPCODE_23_21 opcode23_21;
-def bitfield OPCODE_23 opcode23;
-def bitfield OPCODE_22_8 opcode22_8;
-def bitfield OPCODE_22_21 opcode22_21;
def bitfield OPCODE_22 opcode22;
-def bitfield OPCODE_21_20 opcode21_20;
-def bitfield OPCODE_20 opcode20;
-def bitfield OPCODE_19_18 opcode19_18;
def bitfield OPCODE_19 opcode19;
def bitfield OPCODE_15_12 opcode15_12;
def bitfield OPCODE_15 opcode15;
-def bitfield OPCODE_9 opcode9;
def bitfield MISC_OPCODE miscOpcode;
-def bitfield OPCODE_7_5 opcode7_5;
-def bitfield OPCODE_7_6 opcode7_6;
def bitfield OPCODE_7 opcode7;
-def bitfield OPCODE_6_5 opcode6_5;
-def bitfield OPCODE_6 opcode6;
-def bitfield OPCODE_5 opcode5;
def bitfield OPCODE_4 opcode4;
def bitfield IS_MISC isMisc;
@@ -76,85 +63,23 @@ def bitfield RM rm;
def bitfield RS rs;
-def bitfield RDUP rdup;
-def bitfield RNDN rddn;
-
-def bitfield RDHI rdhi;
-def bitfield RDLO rdlo;
-
-def bitfield U_FIELD uField;
-
-def bitfield PUSWL puswl;
-def bitfield PREPOST puswl.prepost;
-def bitfield UP puswl.up;
-def bitfield PSRUSER puswl.psruser;
-def bitfield WRITEBACK puswl.writeback;
+def bitfield PUSWL puswl;
+def bitfield PREPOST puswl.prepost;
+def bitfield UP puswl.up;
+def bitfield PSRUSER puswl.psruser;
+def bitfield WRITEBACK puswl.writeback;
def bitfield LOADOP puswl.loadOp;
-def bitfield PUBWL pubwl;
-def bitfield PUIWL puiwl;
-def bitfield BYTEACCESS byteAccess;
-
-def bitfield LUAS luas;
-
-def bitfield IMM imm;
-def bitfield IMMED_7_4 immed7_4;
-def bitfield IMMED_3_0 immed3_0;
-
-def bitfield F_MSR msr.f;
-def bitfield S_MSR msr.s;
-def bitfield X_MSR msr.x;
-def bitfield C_MSR msr.c;
-
-def bitfield Y_6 y;
-def bitfield X_5 x;
-
-def bitfield IMMED_15_4 immed15_4;
-
-def bitfield W_FIELD wField;
+def bitfield PUBWL pubwl;
-def bitfield ROTATE rotate;
-def bitfield IMMED_7_0 immed7_0;
+def bitfield IMM imm;
-def bitfield T_FIELD tField;
def bitfield IMMED_11_0 immed11_0;
-def bitfield IMMED_20_16 immed20_16;
-def bitfield IMMED_19_16 immed19_16;
-
def bitfield IMMED_HI_11_8 immedHi11_8;
def bitfield IMMED_LO_3_0 immedLo3_0;
-def bitfield ROT rot;
-
-def bitfield R_FIELD rField;
-
-def bitfield CARET caret;
-def bitfield REGLIST regList;
-
-def bitfield OFFSET offset;
-def bitfield COPRO copro;
-def bitfield OP1_7_4 op1_7_4;
-def bitfield CM cm;
-
-def bitfield L_FIELD lField;
-def bitfield CD cd;
-def bitfield OPTION option;
-
-def bitfield OP1_23_20 op1_23_20;
-def bitfield CN cn;
-def bitfield OP2_7_5 op2_7_5;
-
-def bitfield OP1_23_21 op1_23_21;
-
def bitfield IMMED_23_0 immed23_0;
-def bitfield M_FIELD mField;
-def bitfield A_FIELD aField;
-def bitfield I_FIELD iField;
-def bitfield F_FIELD fField;
-def bitfield MODE mode;
-
-def bitfield A_BLX aBlx;
def bitfield CPNUM cpNum;
// Note that FP Regs are only 3 bits
diff --git a/src/arch/arm/types.hh b/src/arch/arm/types.hh
index 707d7d0f6..3a0fdf2a5 100644
--- a/src/arch/arm/types.hh
+++ b/src/arch/arm/types.hh
@@ -47,28 +47,15 @@ namespace ArmISA
Bitfield<27, 25> encoding;
Bitfield<24, 21> opcode;
Bitfield<24, 20> mediaOpcode;
- Bitfield<24, 23> opcode24_23;
Bitfield<24> opcode24;
Bitfield<23, 20> opcode23_20;
Bitfield<23, 21> opcode23_21;
- Bitfield<23> opcode23;
- Bitfield<22, 8> opcode22_8;
- Bitfield<22, 21> opcode22_21;
Bitfield<22> opcode22;
- Bitfield<21, 20> opcode21_20;
- Bitfield<20> opcode20;
- Bitfield<19, 18> opcode19_18;
Bitfield<19> opcode19;
Bitfield<15, 12> opcode15_12;
Bitfield<15> opcode15;
- Bitfield<9> opcode9;
Bitfield<7, 4> miscOpcode;
- Bitfield<7, 5> opcode7_5;
- Bitfield<7, 6> opcode7_6;
Bitfield<7> opcode7;
- Bitfield<6, 5> opcode6_5;
- Bitfield<6> opcode6;
- Bitfield<5> opcode5;
Bitfield<4> opcode4;
Bitfield<31, 28> condCode;
@@ -81,14 +68,6 @@ namespace ArmISA
Bitfield<11, 8> rs;
- Bitfield<19, 16> rdup;
- Bitfield<15, 12> rddn;
-
- Bitfield<15, 12> rdhi;
- Bitfield<11, 8> rdlo;
-
- Bitfield<23> uField;
-
SubBitUnion(puswl, 24, 20)
Bitfield<24> prepost;
Bitfield<23> up;
@@ -98,72 +77,22 @@ namespace ArmISA
EndSubBitUnion(puswl)
Bitfield<24, 20> pubwl;
- Bitfield<24, 20> puiwl;
- Bitfield<22> byteAccess;
-
- Bitfield<23, 20> luas;
-
- SubBitUnion(imm, 7, 0)
- Bitfield<7, 4> imm7_4;
- Bitfield<3, 0> imm3_0;
- EndSubBitUnion(imm)
- SubBitUnion(msr, 19, 16)
- Bitfield<19> f;
- Bitfield<18> s;
- Bitfield<17> x;
- Bitfield<16> c;
- EndSubBitUnion(msr)
-
- Bitfield<6> y;
- Bitfield<5> x;
-
- Bitfield<15, 4> immed15_4;
-
- Bitfield<21> wField;
+ Bitfield<7, 0> imm;
Bitfield<11, 8> rotate;
- Bitfield<7, 0> immed7_0;
- Bitfield<21> tField;
Bitfield<11, 0> immed11_0;
-
- Bitfield<20, 16> immed20_16;
- Bitfield<19, 16> immed19_16;
+ Bitfield<7, 0> immed7_0;
Bitfield<11, 8> immedHi11_8;
Bitfield<3, 0> immedLo3_0;
-
- Bitfield<11, 10> rot;
-
- Bitfield<5> rField;
- Bitfield<22> caret;
Bitfield<15, 0> regList;
Bitfield<23, 0> offset;
- Bitfield<11, 8> copro;
- Bitfield<7, 4> op1_7_4;
- Bitfield<3, 0> cm;
- Bitfield<22> lField;
- Bitfield<15, 12> cd;
- Bitfield<7, 0> option;
-
- Bitfield<23, 20> op1_23_20;
- Bitfield<19, 16> cn;
- Bitfield<7, 5> op2_7_5;
-
- Bitfield<23, 21> op1_23_21;
-
Bitfield<23, 0> immed23_0;
- Bitfield<17> mField;
- Bitfield<8> aField;
- Bitfield<7> iField;
- Bitfield<6> fField;
- Bitfield<4, 0> mode;
-
- Bitfield<24> aBlx;
Bitfield<11, 8> cpNum;
Bitfield<18, 16> fn;