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-rw-r--r--arch/mips/isa/decoder.h575
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diff --git a/arch/mips/isa/decoder.h b/arch/mips/isa/decoder.h
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index 7e911cb45..000000000
--- a/arch/mips/isa/decoder.h
+++ /dev/null
@@ -1,575 +0,0 @@
-////////////////////////////////////////////////////////////////////
-//
-// The actual MIPS32 ISA decoder
-// -----------------------------
-// The following instructions are specified in the MIPS32 ISA
-// Specification. Decoding closely follows the style specified
-// in the MIPS32 ISAthe specification document starting with Table
-// A-2 (document available @ www.mips.com)
-//
-//@todo: Distinguish "unknown/future" use insts from "reserved"
-// ones
-decode OPCODE_HI default FailUnimpl::unknown() {
-
- // Derived From ... Table A-2 MIPS32 ISA Manual
- 0x0: decode OPCODE_LO default FailUnimpl::reserved(){
-
- 0x0: decode FUNCTION_HI {
- 0x0: decode FUNCTION_LO {
- 0x1: decode MOVCI {
- format Move {
- 0: movc({{ }});
- 1: movt({{ }});
- }
- }
-
- format ShiftRotate {
- //Table A-3 Note: "1. Specific encodings of the rt, rd, and sa fields
- //are used to distinguish among the SLL, NOP, SSNOP and EHB functions."
- 0x0: sll({{ }});
-
- 0x2: decode SRL {
- 0: srl({{ }});
- 1: rotr({{ }});
- }
-
- 0x3: sar({{ }});
-
- 0x4: sllv({{ }});
-
- 0x6: decode SRLV {
- 0: srlv({{ }});
- 1: rotrv({{ }});
- }
-
- 0x7: srav({{ }});
- }
- }
-
- 0x1: decode FUNCTION_LO {
-
- //Table A-3 Note: "Specific encodings of the hint field are used
- //to distinguish JR from JR.HB and JALR from JALR.HB"
- format Jump {
- 0x0: jr({{ }});
- 0x1: jalr({{ }});
- }
-
- format Move {
- 0x2: movz({{ }});
- 0x3: movn({{ }});
- }
-
- 0x4: Syscall::syscall({{ }});
- 0x5: Break::break({{ }});
- 0x7: Synchronize::synch({{ }});
- }
-
- 0x2: decode FUNCTION_LO {
- format MultDiv {
- 0x0: mfhi({{ }});
- 0x1: mthi({{ }});
- 0x2: mflo({{ }});
- 0x3: mtlo({{ }});
- }
- };
-
- 0x3: decode FUNCTION_LO {
- format MultDiv {
- 0x0: mult({{ }});
- 0x1: multu({{ }});
- 0x2: div({{ }});
- 0x3: divu({{ }});
- }
- };
-
- 0x4: decode FUNCTION_LO {
- format Arithmetic {
- 0x0: add({{ }});
- 0x1: addu({{ }});
- 0x2: sub({{ }});
- 0x3: subu({{ }});
- }
-
- format Logical {
- 0x0: and({{ }});
- 0x1: or({{ }});
- 0x2: xor({{ }});
- 0x3: nor({{ }});
- }
- }
-
- 0x5: decode FUNCTION_LO {
- format SetInstructions{
- 0x2: slt({{ }});
- 0x3: sltu({{ }});
- }
- };
-
- 0x6: decode FUNCTION_LO {
- format Trap {
- 0x0: tge({{ }});
- 0x1: tgeu({{ }});
- 0x2: tlt({{ }});
- 0x3: tltu({{ }});
- 0x4: teq({{ }});
- 0x6: tne({{ }});
- }
- }
- }
-
- 0x1: decode REGIMM_HI {
- 0x0: decode REGIMM_LO {
- format Branch {
- 0x0: bltz({{ }});
- 0x1: bgez({{ }});
-
- //MIPS obsolete instructions
- 0x2: bltzl({{ }});
- 0x3: bgezl({{ }});
- }
- }
-
- 0x1: decode REGIMM_LO {
- format Trap {
- 0x0: tgei({{ }});
- 0x1: tgeiu({{ }});
- 0x2: tlti({{ }});
- 0x3: tltiu({{ }});
- 0x4: teqi({{ }});
- 0x6: tnei({{ }});
- }
- }
-
- 0x2: decode REGIMM_LO {
- format Branch {
- 0x0: bltzal({{ }});
- 0x1: bgezal({{ }});
-
- //MIPS obsolete instructions
- 0x2: bltzall({{ }});
- 0x3: bgezall({{ }});
- }
- }
-
- 0x3: decode REGIMM_LO {
- 0x7: synci({{ }});
- }
- }
-
- format Jump {
- 0x2: j({{ }});
- 0x3: jal({{ }});
- }
-
- format Branch {
- 0x4: beq({{ }});
- 0x5: bne({{ }});
- 0x6: blez({{ }});
- 0x7: bgtz({{ }});
- }
- };
-
- 0x1: decode OPCODE_LO default FailUnimpl::reserved(){
- format IntImmediate {
- 0x0: addi({{ }});
- 0x1: addiu({{ }});
- 0x2: slti({{ }});
- 0x3: sltiu({{ }});
- 0x4: andi({{ }});
- 0x5: ori({{ }});
- 0x6: xori({{ }});
- 0x7: lui({{ }});
- };
- };
-
- 0x2: decode OPCODE_LO default FailUnimpl::reserved(){
-
- //Table A-11 MIPS32 COP0 Encoding of rs Field
- 0x0: decode RS_MSB {
- 0x0: decode RS {
- 0x0: mfc0({{ }});
- 0xC: mtc0({{ }});
- 0xA: rdpgpr({{ }});
-
- 0xB: decode SC {
- 0x0: di({{ }});
- 0x1: ei({{ }});
- }
-
- 0xE: wrpgpr({{ }});
- }
-
- //Table A-12 MIPS32 COP0 Encoding of Function Field When rs=CO
- 0x1: decode FUNCTION {
- 0x01: tlbr({{ }});
- 0x02: tlbwi({{ }});
- 0x06: tlbwr({{ }});
- 0x08: tlbp({{ }});
- 0x18: eret({{ }});
- 0x1F: deret({{ }});
- 0x20: wait({{ }});
- }
- }
-
- //Table A-13 MIPS32 COP1 Encoding of rs Field
- 0x1: decode RS_MSB {
-
- 0x0: decode RS_HI {
- 0x0: decode RS_LO {
- 0x0: mfc1({{ }});
- 0x2: cfc1({{ }});
- 0x3: mfhc1({{ }});
- 0x4: mtc1({{ }});
- 0x6: ctc1({{ }});
- 0x7: mftc1({{ }});
- }
-
- 0x1: decode ND {
- 0x0: decode TF {
- 0x0: bc1f({{ }});
- 0x1: bc1t({{ }});
- }
-
- 0x1: decode TF {
- 0x0: bc1fl({{ }});
- 0x1: bc1tl({{ }});
- }
- }
- }
-
- 0x1: decode RS_HI {
- 0x2: decode RS_LO {
-
- //Table A-14 MIPS32 COP1 Encoding of Function Field When rs=S
- //(( single-word ))
- 0x0: decode RS_HI {
- 0x0: decode RS_LO {
- 0x0: add_fmt({{ }});
- 0x1: sub_fmt({{ }});
- 0x2: mul_fmt({{ }});
- 0x3: div_fmt({{ }});
- 0x4: sqrt_fmt({{ }});
- 0x5: abs_fmt({{ }});
- 0x6: mov_fmt({{ }});
- 0x7: neg_fmt({{ }});
- }
-
- 0x1: decode RS_LO {
- //only legal for 64 bit
- format mode64 {
- 0x0: round_l({{ }});
- 0x1: trunc_l({{ }});
- 0x2: ceil_l({{ }});
- 0x3: floor_l({{ }});
- }
-
- 0x4: round_w({{ }});
- 0x5: trunc_w({{ }});
- 0x6: ceil_w({{ }});
- 0x7: floor_w({{ }});
- }
-
- 0x2: decode RS_LO {
- 0x1: decode MOVCF {
- 0x0: movf_fmt({{ }});
- 0x1: movt_fmt({{ }});
- }
-
- 0x2: movz({{ }});
- 0x3: movn({{ }});
-
- format mode64 {
- 0x2: recip({{ }});
- 0x3: rsqrt{{ }});
- }
- }
-
- 0x4: decode RS_LO {
- 0x1: cvt_d({{ }});
- 0x4: cvt_w({{ }});
-
- //only legal for 64 bit
- format mode64 {
- 0x5: cvt_l({{ }});
- 0x6: cvt_ps({{ }});
- }
- }
- }
-
- //Table A-15 MIPS32 COP1 Encoding of Function Field When rs=D
- 0x1: decode RS_HI {
- 0x0: decode RS_LO {
- 0x0: add_fmt({{ }});
- 0x1: sub_fmt({{ }});
- 0x2: mul_fmt({{ }});
- 0x3: div_fmt({{ }});
- 0x4: sqrt_fmt({{ }});
- 0x5: abs_fmt({{ }});
- 0x6: mov_fmt({{ }});
- 0x7: neg_fmt({{ }});
- }
-
- 0x1: decode RS_LO {
- //only legal for 64 bit
- format mode64 {
- 0x0: round_l({{ }});
- 0x1: trunc_l({{ }});
- 0x2: ceil_l({{ }});
- 0x3: floor_l({{ }});
- }
-
- 0x4: round_w({{ }});
- 0x5: trunc_w({{ }});
- 0x6: ceil_w({{ }});
- 0x7: floor_w({{ }});
- }
-
- 0x2: decode RS_LO {
- 0x1: decode MOVCF {
- 0x0: movf_fmt({{ }});
- 0x1: movt_fmt({{ }});
- }
-
- 0x2: movz({{ }});
- 0x3: movn({{ }});
-
- format mode64 {
- 0x5: recip({{ }});
- 0x6: rsqrt{{ }});
- }
- }
-
- 0x4: decode RS_LO {
- 0x0: cvt_s({{ }});
- 0x4: cvt_w({{ }});
-
- //only legal for 64 bit
- format mode64 {
- 0x5: cvt_l({{ }});
- }
- }
- }
-
- //Table A-16 MIPS32 COP1 Encoding of Function Field When rs=W
- 0x4: decode FUNCTION {
- 0x10: cvt_s({{ }});
- 0x10: cvt_d({{ }});
- }
-
- //Table A-16 MIPS32 COP1 Encoding of Function Field When rs=L1
- //Note: "1. Format type L is legal only if 64-bit floating point operations
- //are enabled."
- 0x5: decode FUNCTION_HI {
- 0x10: cvt_s({{ }});
- 0x11: cvt_d({{ }});
- }
-
- //Table A-17 MIPS64 COP1 Encoding of Function Field When rs=PS1
- //Note: "1. Format type PS is legal only if 64-bit floating point operations
- //are enabled. "
- 0x6: decode RS_HI {
- 0x0: decode RS_LO {
- 0x0: add_fmt({{ }});
- 0x1: sub_fmt({{ }});
- 0x2: mul_fmt({{ }});
- 0x5: abs_fmt({{ }});
- 0x6: mov_fmt({{ }});
- 0x7: neg_fmt({{ }});
- }
-
- 0x2: decode RS_LO {
- 0x1: decode MOVCF {
- 0x0: movf_fmt({{ }});
- 0x1: movt_fmt({{ }});
- }
-
- 0x2: movz({{ }});
- 0x3: movn({{ }});
- }
-
- 0x4: decode RS_LO {
- 0x0: cvt_s_pu({{ }});
- }
-
- 0x5: decode RS_LO {
- 0x0: cvt_s_pl({{ }});
- 0x4: pll_s_pl({{ }});
- 0x5: plu_s_pl({{ }});
- 0x6: pul_s_pl({{ }});
- 0x7: puu_s_pl({{ }});
- }
- }
- }
-
- //Table A-19 MIPS32 COP2 Encoding of rs Field
- 0x2: decode RS_MSB {
- 0x0: decode RS_HI {
- 0x0: decode RS_LO {
- 0x0: mfc2({{ }});
- 0x2: cfc2({{ }});
- 0x3: mfhc2({{ }});
- 0x4: mtc2({{ }});
- 0x6: ctc2({{ }});
- 0x7: mftc2({{ }});
- }
-
- 0x1: decode ND {
- 0x0: decode TF {
- 0x0: bc2f({{ }});
- 0x1: bc2t({{ }});
- }
-
- 0x1: decode TF {
- 0x0: bc2fl({{ }});
- 0x1: bc2tl({{ }});
- }
- }
- }
- }
-
- //Table A-20 MIPS64 COP1X Encoding of Function Field 1
- //Note: "COP1X instructions are legal only if 64-bit floating point
- //operations are enabled."
- 0x3: decode FUNCTION_HI {
- 0x0: decode FUNCTION_LO {
- 0x0: lwxc1({{ }});
- 0x1: ldxc1({{ }});
- 0x5: luxc1({{ }});
- }
-
- 0x1: decode FUNCTION_LO {
- 0x0: swxc1({{ }});
- 0x1: sdxc1({{ }});
- 0x5: suxc1({{ }});
- 0x7: prefx({{ }});
- }
-
- 0x3: alnv_ps({{ }});
-
- 0x4: decode FUNCTION_LO {
- 0x0: madd_s({{ }});
- 0x1: madd_d({{ }});
- 0x6: madd_ps({{ }});
- }
-
- 0x5: decode FUNCTION_LO {
- 0x0: msub_s({{ }});
- 0x1: msub_d({{ }});
- 0x6: msub_ps({{ }});
- }
-
- 0x6: decode FUNCTION_LO {
- 0x0: nmadd_s({{ }});
- 0x1: nmadd_d({{ }});
- 0x6: nmadd_ps({{ }});
- }
-
- 0x7: decode FUNCTION_LO {
- 0x0: nmsub_s({{ }});
- 0x1: nmsub_d({{ }});
- 0x6: nmsub_ps({{ }});
- }
- }
-
- //MIPS obsolete instructions
- 0x4: beql({{ }});
- 0x5: bnel({{ }});
- 0x6: blezl({{ }});
- 0x7: bgtzl({{ }});
- };
-
- 0x3: decode OPCODE_LO default FailUnimpl::reserved(){
-
- //Table A-5 MIPS32 SPECIAL2 Encoding of Function Field
- 0x4: decode FUNCTION_HI {
-
- 0x0: decode FUNCTION_LO {
- 0x0: madd({{ }});
- 0x1: maddu({{ }});
- 0x2: mult({{ }});
- 0x4: msub({{ }});
- 0x5: msubu({{ }});
- }
-
- 0x4: decode FUNCTION_LO {
- 0x0: clz({{ }});
- 0x1: clo({{ }});
- }
-
- 0x7: decode FUNCTION_LO {
- 0x7: sdbbp({{ }});
- }
- }
-
- //Table A-6 MIPS32 SPECIAL3 Encoding of Function Field for Release 2 of the Architecture
- 0x7: decode FUNCTION_HI {
-
- 0x0: decode FUNCTION_LO {
- 0x1: ext({{ }});
- 0x4: ins({{ }});
- }
-
- //Table A-10 MIPS32 BSHFL Encoding of sa Field
- 0x4: decode SA {
- 0x02: wsbh({{ }});
- 0x10: seb({{ }});
- 0x18: seh({{ }});
- }
-
- 0x6: decode FUNCTION_LO {
- 0x7: rdhwr({{ }});
- }
- }
- };
-
- 0x4: decode OPCODE_LO default FailUnimpl::reserved(){
- format LoadMemory{
- 0x0: lb({{ }});
- 0x1: lh({{ }});
- 0x2: lwl({{ }});
- 0x3: lw({{ }});
- 0x4: lbu({{ }});
- 0x5: lhu({{ }});
- 0x6: lhu({{ }});
- };
-
- 0x7: FailUnimpl::reserved({{ }});
- };
-
- 0x5: decode OPCODE_LO default FailUnimpl::reserved(){
- format StoreMemory{
- 0x0: sb({{ }});
- 0x1: sh({{ }});
- 0x2: swl({{ }});
- 0x3: sw({{ }});
- 0x6: swr({{ }});
- };
-
- format FailUnimpl{
- 0x4: reserved({{ }});
- 0x5: reserved({{ }});
- 0x7: cache({{ }});
- };
-
- };
-
- 0x6: decode OPCODE_LO default FailUnimpl::reserved(){
- format LoadMemory{
- 0x0: ll({{ }});
- 0x1: lwc1({{ }});
- 0x5: ldc1({{ }});
- };
- };
-
- 0x7: decode OPCODE_LO default FailUnimpl::reserved(){
- format StoreMemory{
- 0x0: sc({{ }});
- 0x1: swc1({{ }});
- 0x5: sdc1({{ }});
- };
-
- }
-}
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-19 23:27:41 +0000