132 lines
5.3 KiB
PHP
132 lines
5.3 KiB
PHP
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/*
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* Copyright(c) 2019-2022 rev.ng Labs Srl. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/* Copy rules */
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#define fLSBOLD(VAL) (fGETBIT(0, VAL))
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#define fSATH(VAL) fSATN(16, VAL)
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#define fSATUH(VAL) fSATUN(16, VAL)
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#define fVSATH(VAL) fVSATN(16, VAL)
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#define fVSATUH(VAL) fVSATUN(16, VAL)
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#define fSATUB(VAL) fSATUN(8, VAL)
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#define fSATB(VAL) fSATN(8, VAL)
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#define fVSATUB(VAL) fVSATUN(8, VAL)
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#define fVSATB(VAL) fVSATN(8, VAL)
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#define fCALL(A) fWRITE_LR(fREAD_NPC()); fWRITE_NPC(A);
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#define fCALLR(A) fWRITE_LR(fREAD_NPC()); fWRITE_NPC(A);
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#define fCAST2_8s(A) fSXTN(16, 64, A)
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#define fCAST2_8u(A) fZXTN(16, 64, A)
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#define fVSATW(A) fVSATN(32, fCAST8_8s(A))
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#define fSATW(A) fSATN(32, fCAST8_8s(A))
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#define fVSAT(A) fVSATN(32, A)
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#define fSAT(A) fSATN(32, A)
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/* Ease parsing */
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#define f8BITSOF(VAL) ((VAL) ? 0xff : 0x00)
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#define fREAD_GP() (Constant_extended ? (0) : GP)
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#define fCLIP(DST, SRC, U) (DST = fMIN((1 << U) - 1, fMAX(SRC, -(1 << U))))
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#define fBIDIR_ASHIFTL(SRC, SHAMT, REGSTYPE) \
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((SHAMT > 0) ? \
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(fCAST##REGSTYPE##s(SRC) << SHAMT) : \
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(fCAST##REGSTYPE##s(SRC) >> -SHAMT))
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#define fBIDIR_LSHIFTL(SRC, SHAMT, REGSTYPE) \
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((SHAMT > 0) ? \
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(fCAST##REGSTYPE##u(SRC) << SHAMT) : \
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(fCAST##REGSTYPE##u(SRC) >>> -SHAMT))
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#define fBIDIR_ASHIFTR(SRC, SHAMT, REGSTYPE) \
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((SHAMT > 0) ? \
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(fCAST##REGSTYPE##s(SRC) >> SHAMT) : \
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(fCAST##REGSTYPE##s(SRC) << -SHAMT))
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#define fBIDIR_SHIFTR(SRC, SHAMT, REGSTYPE) \
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(((SHAMT) < 0) ? ((fCAST##REGSTYPE(SRC) << ((-(SHAMT)) - 1)) << 1) \
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: (fCAST##REGSTYPE(SRC) >> (SHAMT)))
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#define fBIDIR_LSHIFTR(SRC, SHAMT, REGSTYPE) \
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fBIDIR_SHIFTR(SRC, SHAMT, REGSTYPE##u)
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#define fSATVALN(N, VAL) \
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fSET_OVERFLOW( \
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((VAL) < 0) ? (-(1LL << ((N) - 1))) : ((1LL << ((N) - 1)) - 1) \
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)
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#define fSAT_ORIG_SHL(A, ORIG_REG) \
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(((fCAST4s((fSAT(A)) ^ (fCAST4s(ORIG_REG)))) < 0) \
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? fSATVALN(32, (fCAST4s(ORIG_REG))) \
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: ((((ORIG_REG) > 0) && ((A) == 0)) ? fSATVALN(32, (ORIG_REG)) \
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: fSAT(A)))
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#define fBIDIR_ASHIFTR_SAT(SRC, SHAMT, REGSTYPE) \
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(((SHAMT) < 0) ? fSAT_ORIG_SHL((fCAST##REGSTYPE##s(SRC) \
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<< ((-(SHAMT)) - 1)) << 1, (SRC)) \
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: (fCAST##REGSTYPE##s(SRC) >> (SHAMT)))
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#define fBIDIR_ASHIFTL_SAT(SRC, SHAMT, REGSTYPE) \
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(((SHAMT) < 0) \
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? ((fCAST##REGSTYPE##s(SRC) >> ((-(SHAMT)) - 1)) >> 1) \
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: fSAT_ORIG_SHL(fCAST##REGSTYPE##s(SRC) << (SHAMT), (SRC)))
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#define fEXTRACTU_BIDIR(INREG, WIDTH, OFFSET) \
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(fZXTN(WIDTH, 32, fBIDIR_LSHIFTR((INREG), (OFFSET), 4_8)))
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/* Least significant bit operations */
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#define fLSBNEW0 fLSBNEW(P0N)
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#define fLSBNEW1 fLSBNEW(P1N)
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#define fLSBOLDNOT(VAL) fGETBIT(0, ~VAL)
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#define fLSBNEWNOT(PRED) (fLSBNEW(~PRED))
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#define fLSBNEW0NOT fLSBNEW(~P0N)
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#define fLSBNEW1NOT fLSBNEW(~P1N)
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/* Assignments */
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#define fPCALIGN(IMM) (IMM = IMM & ~3)
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#define fWRITE_LR(A) (LR = A)
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#define fWRITE_FP(A) (FP = A)
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#define fWRITE_SP(A) (SP = A)
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#define fWRITE_LOOP_REGS0(START, COUNT) SA0 = START; (LC0 = COUNT)
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#define fWRITE_LOOP_REGS1(START, COUNT) SA1 = START; (LC1 = COUNT)
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#define fWRITE_LC1(VAL) (LC1 = VAL)
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#define fSET_LPCFG(VAL) (USR.LPCFG = VAL)
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#define fWRITE_P0(VAL) P0 = VAL;
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#define fWRITE_P1(VAL) P1 = VAL;
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#define fWRITE_P3(VAL) P3 = VAL;
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#define fEA_RI(REG, IMM) (EA = REG + IMM)
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#define fEA_RRs(REG, REG2, SCALE) (EA = REG + (REG2 << SCALE))
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#define fEA_IRs(IMM, REG, SCALE) (EA = IMM + (REG << SCALE))
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#define fEA_IMM(IMM) (EA = IMM)
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#define fEA_REG(REG) (EA = REG)
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#define fEA_BREVR(REG) (EA = fbrev(REG))
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#define fEA_GPI(IMM) (EA = fREAD_GP() + IMM)
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#define fPM_I(REG, IMM) (REG = REG + IMM)
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#define fPM_M(REG, MVAL) (REG = REG + MVAL)
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/* Unary operators */
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#define fROUND(A) (A + 0x8000)
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/* Binary operators */
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#define fSCALE(N, A) (A << N)
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#define fASHIFTR(SRC, SHAMT, REGSTYPE) (fCAST##REGSTYPE##s(SRC) >> SHAMT)
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#define fLSHIFTR(SRC, SHAMT, REGSTYPE) (SRC >>> SHAMT)
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#define fROTL(SRC, SHAMT, REGSTYPE) fROTL(SRC, SHAMT)
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#define fASHIFTL(SRC, SHAMT, REGSTYPE) (fCAST##REGSTYPE##s(SRC) << SHAMT)
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/* Include fHIDE macros which hide type declarations */
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#define fHIDE(A) A
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/* Purge non-relavant parts */
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#define fBRANCH_SPECULATE_STALL(A, B, C, D, E)
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