#include #include #include #include #include <86box/86box.h> #include "cpu.h" #include <86box/mem.h> #include <86box/plat_unused.h> #include "x86.h" #include "x86_ops.h" #include "x87_sf.h" #include "x87.h" #include "codegen.h" #include "codegen_ops.h" #include "codegen_timing_common.h" #define CYCLES(c) (int *) c #define CYCLES2(c16, c32) (int *) ((-1 & ~0xffff) | c16 | (c32 << 8)) static int *opcode_timings_486[256] = { // clang-format off /*00*/ &timing_mr, &timing_mr, &timing_rm, &timing_rm, &timing_rr, &timing_rr, CYCLES(2), CYCLES(3), &timing_mr, &timing_mr, &timing_rm, &timing_rm, &timing_rr, &timing_rr, CYCLES(2), NULL, /*10*/ &timing_mr, &timing_mr, &timing_rm, &timing_rm, &timing_rr, &timing_rr, CYCLES(2), CYCLES(3), &timing_mr, &timing_mr, &timing_rm, &timing_rm, &timing_rr, &timing_rr, CYCLES(2), CYCLES(3), /*20*/ &timing_mr, &timing_mr, &timing_rm, &timing_rm, &timing_rr, &timing_rr, CYCLES(4), CYCLES(3), &timing_mr, &timing_mr, &timing_rm, &timing_rm, &timing_rr, &timing_rr, CYCLES(4), CYCLES(3), /*30*/ &timing_mr, &timing_mr, &timing_rm, &timing_rm, &timing_rr, &timing_rr, CYCLES(4), CYCLES(2), &timing_mr, &timing_mr, &timing_rm, &timing_rm, &timing_rr, &timing_rr, CYCLES(4), CYCLES(2), /*40*/ &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, /*50*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), /*60*/ CYCLES(11), CYCLES(9), CYCLES(7), CYCLES(9), CYCLES(4), CYCLES(4), CYCLES(2), CYCLES(2), CYCLES(1), CYCLES2(17,25), CYCLES(1), CYCLES2(17,20), CYCLES(17), CYCLES(17), CYCLES(17), CYCLES(17), /*70*/ &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, /*80*/ &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_rm, &timing_rm, CYCLES(5), CYCLES(5), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(3), CYCLES(1), CYCLES(5), CYCLES(6), /*90*/ CYCLES(1), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(0), CYCLES(4), CYCLES(4), CYCLES(5), CYCLES(2), CYCLES(3), /*a0*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(7), CYCLES(7), CYCLES(8), CYCLES(8), CYCLES(1), CYCLES(1), CYCLES(5), CYCLES(5), CYCLES(5), CYCLES(5), CYCLES(6), CYCLES(6), /*b0*/ &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, /*c0*/ CYCLES(4), CYCLES(4), CYCLES(5), CYCLES(5), CYCLES(6), CYCLES(6), CYCLES(1), CYCLES(1), CYCLES(14), CYCLES(5), CYCLES(0), CYCLES(0), &timing_int, &timing_int, CYCLES(3), CYCLES(0), /*d0*/ CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(15), CYCLES(14), CYCLES(2), CYCLES(4), NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*e0*/ CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(5), CYCLES(14), CYCLES(14), CYCLES(16), CYCLES(16), CYCLES(3), CYCLES(3), CYCLES(17), CYCLES(3), CYCLES(14), CYCLES(14), CYCLES(14), CYCLES(14), /*f0*/ CYCLES(4), CYCLES(0), CYCLES(0), CYCLES(0), CYCLES(4), CYCLES(2), NULL, NULL, CYCLES(2), CYCLES(2), CYCLES(3), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(3), NULL // clang-format on }; static int *opcode_timings_486_mod3[256] = { // clang-format off /*00*/ &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, CYCLES(2), CYCLES(3), &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, CYCLES(2), NULL, /*10*/ &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, CYCLES(2), CYCLES(3), &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, CYCLES(2), CYCLES(3), /*20*/ &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, CYCLES(4), CYCLES(3), &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, CYCLES(4), CYCLES(3), /*30*/ &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, CYCLES(4), CYCLES(2), &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, CYCLES(4), CYCLES(2), /*40*/ &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, /*50*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), /*60*/ CYCLES(11), CYCLES(9), CYCLES(7), CYCLES(9), CYCLES(4), CYCLES(4), CYCLES(2), CYCLES(2), CYCLES(1), CYCLES2(14,25), CYCLES(1), CYCLES2(17,20), CYCLES(17), CYCLES(17), CYCLES(17), CYCLES(17), /*70*/ &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, /*80*/ &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, CYCLES(5), CYCLES(5), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(2), CYCLES(1), CYCLES(2), CYCLES(1), /*90*/ CYCLES(1), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(0), CYCLES(4), CYCLES(4), CYCLES(5), CYCLES(2), CYCLES(3), /*a0*/ CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(7), CYCLES(7), CYCLES(8), CYCLES(8), CYCLES(1), CYCLES(1), CYCLES(5), CYCLES(5), CYCLES(5), CYCLES(5), CYCLES(6), CYCLES(6), /*b0*/ &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, /*c0*/ CYCLES(4), CYCLES(4), CYCLES(5), CYCLES(5), CYCLES(6), CYCLES(6), CYCLES(1), CYCLES(1), CYCLES(14), CYCLES(5), CYCLES(0), CYCLES(0), &timing_int, &timing_int, CYCLES(3), CYCLES(0), /*d0*/ CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(15), CYCLES(14), CYCLES(2), CYCLES(4), NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*e0*/ CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(5), CYCLES(14), CYCLES(14), CYCLES(16), CYCLES(16), CYCLES(3), CYCLES(3), CYCLES(17), CYCLES(3), CYCLES(14), CYCLES(14), CYCLES(14), CYCLES(14), /*f0*/ CYCLES(4), CYCLES(0), CYCLES(0), CYCLES(0), CYCLES(4), CYCLES(2), NULL, NULL, CYCLES(2), CYCLES(2), CYCLES(3), CYCLES(2), CYCLES(2), CYCLES(2), CYCLES(3), NULL // clang-format on }; static int *opcode_timings_486_0f[256] = { // clang-format off /*00*/ CYCLES(20), CYCLES(11), CYCLES(11), CYCLES(10), NULL, CYCLES(195), CYCLES(7), NULL, CYCLES(1000), CYCLES(10000), NULL, NULL, NULL, NULL, NULL, NULL, /*10*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*20*/ CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(6), NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*30*/ CYCLES(9), CYCLES(1), CYCLES(9), NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*40*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*50*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*60*/ &timing_rm, &timing_rm, &timing_rm, &timing_rm, &timing_rm, &timing_rm, &timing_rm, &timing_rm, &timing_rm, &timing_rm, &timing_rm, &timing_rm, NULL, NULL, &timing_rm, &timing_rm, /*70*/ NULL, &timing_rm, &timing_rm, &timing_rm, &timing_rm, &timing_rm, &timing_rm, CYCLES(100), NULL, NULL, NULL, NULL, NULL, NULL, &timing_rm, &timing_rm, /*80*/ &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, /*90*/ CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), /*a0*/ CYCLES(3), CYCLES(3), CYCLES(14), CYCLES(8), CYCLES(3), CYCLES(4), NULL, NULL, CYCLES(3), CYCLES(3), NULL, CYCLES(13), CYCLES(3), CYCLES(3), NULL, CYCLES2(18,30), /*b0*/ CYCLES(10), CYCLES(10), CYCLES(6), CYCLES(13), CYCLES(6), CYCLES(6), CYCLES(3), CYCLES(3), NULL, NULL, CYCLES(6), CYCLES(13), CYCLES(7), CYCLES(7), CYCLES(3), CYCLES(3), /*c0*/ CYCLES(4), CYCLES(4), NULL, NULL, NULL, NULL, NULL, NULL, CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), /*d0*/ NULL, &timing_rm, &timing_rm, &timing_rm, NULL, &timing_rm, NULL, NULL, &timing_rm, &timing_rm, NULL, &timing_rm, &timing_rm, &timing_rm, NULL, &timing_rm, /*e0*/ NULL, &timing_rm, &timing_rm, NULL, NULL, &timing_rm, NULL, NULL, &timing_rm, &timing_rm, NULL, &timing_rm, &timing_rm, &timing_rm, NULL, &timing_rm, /*f0*/ NULL, &timing_rm, &timing_rm, &timing_rm, NULL, &timing_rm, NULL, NULL, &timing_rm, &timing_rm, &timing_rm, NULL, &timing_rm, &timing_rm, &timing_rm, NULL, // clang-format on }; static int *opcode_timings_486_0f_mod3[256] = { // clang-format off /*00*/ CYCLES(20), CYCLES(11), CYCLES(11), CYCLES(10), NULL, CYCLES(195), CYCLES(7), NULL, CYCLES(1000), CYCLES(10000), NULL, NULL, NULL, NULL, NULL, NULL, /*10*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*20*/ CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(6), CYCLES(6), NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*30*/ CYCLES(9), CYCLES(1), CYCLES(9), NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*40*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*50*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*60*/ &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, NULL, NULL, &timing_rr, &timing_rr, /*70*/ NULL, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, &timing_rr, CYCLES(100), NULL, NULL, NULL, NULL, NULL, NULL, &timing_rr, &timing_rr, /*80*/ &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, &timing_bnt, /*90*/ CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), /*a0*/ CYCLES(3), CYCLES(3), CYCLES(14), CYCLES(8), CYCLES(3), CYCLES(4), NULL, NULL, CYCLES(3), CYCLES(3), NULL, CYCLES(13), CYCLES(3), CYCLES(3), NULL, CYCLES2(18,30), /*b0*/ CYCLES(10), CYCLES(10), CYCLES(6), CYCLES(13), CYCLES(6), CYCLES(6), CYCLES(3), CYCLES(3), NULL, NULL, CYCLES(6), CYCLES(13), CYCLES(7), CYCLES(7), CYCLES(3), CYCLES(3), /*c0*/ CYCLES(4), CYCLES(4), NULL, NULL, NULL, NULL, NULL, NULL, CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), CYCLES(1), /*d0*/ NULL, &timing_rr, &timing_rr, &timing_rr, NULL, &timing_rr, NULL, NULL, &timing_rr, &timing_rr, NULL, &timing_rr, &timing_rr, &timing_rr, NULL, &timing_rr, /*e0*/ NULL, &timing_rr, &timing_rr, NULL, NULL, &timing_rr, NULL, NULL, &timing_rr, &timing_rr, NULL, &timing_rr, &timing_rr, &timing_rr, NULL, &timing_rr, /*f0*/ NULL, &timing_rr, &timing_rr, &timing_rr, NULL, &timing_rr, NULL, NULL, &timing_rr, &timing_rr, &timing_rr, NULL, &timing_rr, &timing_rr, &timing_rr, NULL, // clang-format on }; static int *opcode_timings_486_shift[8] = { // clang-format off CYCLES(7), CYCLES(7), CYCLES(10), CYCLES(10), CYCLES(7), CYCLES(7), CYCLES(7), CYCLES(7) }; static int *opcode_timings_486_shift_mod3[8] = { // clang-format off CYCLES(3), CYCLES(3), CYCLES(9), CYCLES(9), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3) // clang-format on }; static int *opcode_timings_486_f6[8] = { // clang-format off &timing_rm, NULL, &timing_mm, &timing_mm, CYCLES(13), CYCLES(14), CYCLES(16), CYCLES(19) // clang-format on }; static int *opcode_timings_486_f6_mod3[8] = { // clang-format off &timing_rr, NULL, &timing_rr, &timing_rr, CYCLES(13), CYCLES(14), CYCLES(16), CYCLES(19) // clang-format on }; static int *opcode_timings_486_f7[8] = { // clang-format off &timing_rm, NULL, &timing_mm, &timing_mm, CYCLES(21), CYCLES2(22,38), CYCLES2(24,40), CYCLES2(27,43) // clang-format on }; static int *opcode_timings_486_f7_mod3[8] = { // clang-format off &timing_rr, NULL, &timing_rr, &timing_rr, CYCLES(21), CYCLES2(22,38), CYCLES2(24,40), CYCLES2(27,43) }; static int *opcode_timings_486_ff[8] = { // clang-format off &timing_mm, &timing_mm, CYCLES(5), CYCLES(0), CYCLES(5), CYCLES(0), CYCLES(5), NULL }; static int *opcode_timings_486_ff_mod3[8] = { // clang-format off &timing_rr, &timing_rr, CYCLES(5), CYCLES(0), CYCLES(5), CYCLES(0), CYCLES(5), NULL // clang-format on }; static int *opcode_timings_486_d8[8] = { // clang-format off /* FADDil FMULil FCOMil FCOMPil FSUBil FSUBRil FDIVil FDIVRil*/ CYCLES(8), CYCLES(11), CYCLES(4), CYCLES(4), CYCLES(8), CYCLES(8), CYCLES(73), CYCLES(73) // clang-format on }; static int *opcode_timings_486_d8_mod3[8] = { // clang-format off /* FADD FMUL FCOM FCOMP FSUB FSUBR FDIV FDIVR*/ CYCLES(8), CYCLES(16), CYCLES(4), CYCLES(4), CYCLES(8), CYCLES(8), CYCLES(73), CYCLES(73) // clang-format on }; static int *opcode_timings_486_d9[8] = { // clang-format off /* FLDs FSTs FSTPs FLDENV FLDCW FSTENV FSTCW*/ CYCLES(3), NULL, CYCLES(7), CYCLES(7), CYCLES(34), CYCLES(4), CYCLES(67), CYCLES(3) // clang-format on }; static int *opcode_timings_486_d9_mod3[64] = { // clang-format off /*FLD*/ CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), /*FXCH*/ CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), CYCLES(4), /*FNOP*/ CYCLES(3), NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*FSTP*/ CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), CYCLES(3), /* opFCHS opFABS opFTST opFXAM*/ CYCLES(6), CYCLES(3), NULL, NULL, CYCLES(4), CYCLES(8), NULL, NULL, /* opFLD1 opFLDL2T opFLDL2E opFLDPI opFLDEG2 opFLDLN2 opFLDZ*/ CYCLES(4), CYCLES(8), CYCLES(8), CYCLES(8), CYCLES(8), CYCLES(8), CYCLES(4), NULL, /* opF2XM1 opFYL2X opFPTAN opFPATAN opFDECSTP opFINCSTP,*/ CYCLES(140), CYCLES(196), CYCLES(200), CYCLES(218), NULL, NULL, CYCLES(3), CYCLES(3), /* opFPREM opFSQRT opFSINCOS opFRNDINT opFSCALE opFSIN opFCOS*/ CYCLES(70), NULL, CYCLES(83), CYCLES(292), CYCLES(21), CYCLES(30), CYCLES(257), CYCLES(257) // clang-format on }; static int *opcode_timings_486_da[8] = { // clang-format off /* FADDil FMULil FCOMil FCOMPil FSUBil FSUBRil FDIVil FDIVRil*/ CYCLES(8), CYCLES(11), CYCLES(4), CYCLES(4), CYCLES(8), CYCLES(8), CYCLES(73), CYCLES(73) // clang-format on }; static int *opcode_timings_486_da_mod3[8] = { // clang-format off NULL, NULL, NULL, NULL, NULL, CYCLES(5), NULL, NULL // clang-format on }; static int *opcode_timings_486_db[8] = { // clang-format off /* FLDil FSTil FSTPil FLDe FSTPe*/ CYCLES(9), NULL, CYCLES(28), CYCLES(28), NULL, CYCLES(5), NULL, CYCLES(6) // clang-format on }; static int *opcode_timings_486_db_mod3[64] = { // clang-format off NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /* opFNOP opFCLEX opFINIT opFNOP opFNOP*/ NULL, CYCLES(3), CYCLES(7), CYCLES(17), CYCLES(3), CYCLES(3), NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, // clang-format on }; static int *opcode_timings_486_dc[8] = { // clang-format off /* opFADDd_a16 opFMULd_a16 opFCOMd_a16 opFCOMPd_a16 opFSUBd_a16 opFSUBRd_a16 opFDIVd_a16 opFDIVRd_a16*/ CYCLES(8), CYCLES(11), CYCLES(4), CYCLES(4), CYCLES(8), CYCLES(8), CYCLES(73), CYCLES(73) // clang-format on }; static int *opcode_timings_486_dc_mod3[8] = { // clang-format off /* opFADDr opFMULr opFSUBRr opFSUBr opFDIVRr opFDIVr*/ CYCLES(8), CYCLES(16), NULL, NULL, CYCLES(8), CYCLES(8), CYCLES(73), CYCLES(73) // clang-format on }; static int *opcode_timings_486_dd[8] = { // clang-format off /* FLDd FSTd FSTPd FRSTOR FSAVE FSTSW*/ CYCLES(3), NULL, CYCLES(8), CYCLES(8), CYCLES(131), NULL, CYCLES(154), CYCLES(3) // clang-format on }; static int *opcode_timings_486_dd_mod3[8] = { // clang-format off /* FFFREE FST FSTP FUCOM FUCOMP*/ CYCLES(3), NULL, CYCLES(3), CYCLES(3), CYCLES(4), CYCLES(4), NULL, NULL // clang-format on }; static int *opcode_timings_486_de[8] = { // clang-format off /* FADDiw FMULiw FCOMiw FCOMPiw FSUBil FSUBRil FDIVil FDIVRil*/ CYCLES(8), CYCLES(11), CYCLES(4), CYCLES(4), CYCLES(8), CYCLES(8), CYCLES(73), CYCLES(73) // clang-format on }; static int *opcode_timings_486_de_mod3[8] = { // clang-format off /* FADD FMUL FCOMPP FSUB FSUBR FDIV FDIVR*/ CYCLES(8), CYCLES(16), NULL, CYCLES(5), CYCLES(8), CYCLES(8), CYCLES(73), CYCLES(73) // clang-format on }; static int *opcode_timings_486_df[8] = { // clang-format off /* FILDiw FISTiw FISTPiw FILDiq FBSTP FISTPiq*/ CYCLES(13), NULL, CYCLES(29), CYCLES(29), NULL, CYCLES(10), CYCLES(172), CYCLES(28) // clang-format on }; static int *opcode_timings_486_df_mod3[8] = { // clang-format off /* FFREE FST FSTP FUCOM FUCOMP*/ CYCLES(3), NULL, CYCLES(3), CYCLES(3), CYCLES(4), CYCLES(4), NULL, NULL // clang-format on }; static int *opcode_timings_486_8x[8] = { // clang-format off &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_rm // clang-format on }; static int *opcode_timings_486_8x_mod3[8] = { // clang-format off &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_rm // clang-format on }; static int *opcode_timings_486_81[8] = { // clang-format off &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_rm // clang-format on }; static int *opcode_timings_486_81_mod3[8] = { // clang-format off &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_mr, &timing_rm // clang-format on }; static int timing_count; static uint8_t last_prefix; static uint32_t regmask_modified; static inline int COUNT(int *c, int op_32) { if ((uintptr_t) c <= 10000) return (int) (uintptr_t) c; if (((uintptr_t) c & ~0xffff) == (-1 & ~0xffff)) { if (op_32 & 0x100) return ((uintptr_t) c >> 8) & 0xff; return (uintptr_t) c & 0xff; } return *c; } void codegen_timing_486_block_start(void) { regmask_modified = 0; } void codegen_timing_486_start(void) { timing_count = 0; last_prefix = 0; } void codegen_timing_486_prefix(uint8_t prefix, UNUSED(uint32_t fetchdat)) { timing_count += COUNT(opcode_timings_486[prefix], 0); last_prefix = prefix; } void codegen_timing_486_opcode(uint8_t opcode, uint32_t fetchdat, int op_32, UNUSED(uint32_t op_pc)) { int **timings; const uint64_t *deps; int mod3 = ((fetchdat & 0xc0) == 0xc0); int bit8 = !(opcode & 1); switch (last_prefix) { case 0x0f: timings = mod3 ? opcode_timings_486_0f_mod3 : opcode_timings_486_0f; deps = mod3 ? opcode_deps_0f_mod3 : opcode_deps_0f; break; case 0xd8: timings = mod3 ? opcode_timings_486_d8_mod3 : opcode_timings_486_d8; deps = mod3 ? opcode_deps_d8_mod3 : opcode_deps_d8; opcode = (opcode >> 3) & 7; break; case 0xd9: timings = mod3 ? opcode_timings_486_d9_mod3 : opcode_timings_486_d9; deps = mod3 ? opcode_deps_d9_mod3 : opcode_deps_d9; opcode = mod3 ? opcode & 0x3f : (opcode >> 3) & 7; break; case 0xda: timings = mod3 ? opcode_timings_486_da_mod3 : opcode_timings_486_da; deps = mod3 ? opcode_deps_da_mod3 : opcode_deps_da; opcode = (opcode >> 3) & 7; break; case 0xdb: timings = mod3 ? opcode_timings_486_db_mod3 : opcode_timings_486_db; deps = mod3 ? opcode_deps_db_mod3 : opcode_deps_db; opcode = mod3 ? opcode & 0x3f : (opcode >> 3) & 7; break; case 0xdc: timings = mod3 ? opcode_timings_486_dc_mod3 : opcode_timings_486_dc; deps = mod3 ? opcode_deps_dc_mod3 : opcode_deps_dc; opcode = (opcode >> 3) & 7; break; case 0xdd: timings = mod3 ? opcode_timings_486_dd_mod3 : opcode_timings_486_dd; deps = mod3 ? opcode_deps_dd_mod3 : opcode_deps_dd; opcode = (opcode >> 3) & 7; break; case 0xde: timings = mod3 ? opcode_timings_486_de_mod3 : opcode_timings_486_de; deps = mod3 ? opcode_deps_de_mod3 : opcode_deps_de; opcode = (opcode >> 3) & 7; break; case 0xdf: timings = mod3 ? opcode_timings_486_df_mod3 : opcode_timings_486_df; deps = mod3 ? opcode_deps_df_mod3 : opcode_deps_df; opcode = (opcode >> 3) & 7; break; default: switch (opcode) { case 0x80: case 0x82: case 0x83: timings = mod3 ? opcode_timings_486_8x_mod3 : opcode_timings_486_8x; deps = mod3 ? opcode_deps_8x_mod3 : opcode_deps_8x; opcode = (fetchdat >> 3) & 7; break; case 0x81: timings = mod3 ? opcode_timings_486_81_mod3 : opcode_timings_486_81; deps = mod3 ? opcode_deps_81_mod3 : opcode_deps_81; opcode = (fetchdat >> 3) & 7; break; case 0xc0: case 0xc1: case 0xd0: case 0xd1: case 0xd2: case 0xd3: timings = mod3 ? opcode_timings_486_shift_mod3 : opcode_timings_486_shift; deps = mod3 ? opcode_deps_shift_mod3 : opcode_deps_shift; opcode = (fetchdat >> 3) & 7; break; case 0xf6: timings = mod3 ? opcode_timings_486_f6_mod3 : opcode_timings_486_f6; deps = mod3 ? opcode_deps_f6_mod3 : opcode_deps_f6; opcode = (fetchdat >> 3) & 7; break; case 0xf7: timings = mod3 ? opcode_timings_486_f7_mod3 : opcode_timings_486_f7; deps = mod3 ? opcode_deps_f7_mod3 : opcode_deps_f7; opcode = (fetchdat >> 3) & 7; break; case 0xff: timings = mod3 ? opcode_timings_486_ff_mod3 : opcode_timings_486_ff; deps = mod3 ? opcode_deps_ff_mod3 : opcode_deps_ff; opcode = (fetchdat >> 3) & 7; break; default: timings = mod3 ? opcode_timings_486_mod3 : opcode_timings_486; deps = mod3 ? opcode_deps_mod3 : opcode_deps; break; } } timing_count += COUNT(timings[opcode], op_32); if (regmask_modified & get_addr_regmask(deps[opcode], fetchdat, op_32)) timing_count++; /*AGI stall*/ codegen_block_cycles += timing_count; regmask_modified = get_dstdep_mask(deps[opcode], fetchdat, bit8); } void codegen_timing_486_block_end(void) { // } codegen_timing_t codegen_timing_486 = { codegen_timing_486_start, codegen_timing_486_prefix, codegen_timing_486_opcode, codegen_timing_486_block_start, codegen_timing_486_block_end, NULL };