540 lines
15 KiB
C
540 lines
15 KiB
C
#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <wchar.h>
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#include <86box/86box.h>
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#include "cpu.h"
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#include <86box/machine.h>
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#include "x87_timings.h"
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x87_timings_t x87_timings;
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x87_timings_t x87_concurrency;
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const x87_timings_t x87_timings_8087 = {
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.f2xm1 = (310 + 630) / 2,
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.fabs = (10 + 17) / 2,
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.fadd = (70 + 100) / 2,
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.fadd_32 = (90 + 120) / 2,
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.fadd_64 = (95 + 125) / 2,
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.fbld = (290 + 310) / 2,
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.fbstp = (520 + 540) / 2,
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.fchs = (10 + 17) / 2,
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.fclex = (2 + 8) / 2,
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.fcom = (40 + 50) / 2,
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.fcom_32 = (60 + 70) / 2,
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.fcom_64 = (65 + 75) / 2,
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.fcos = 0, /*387+*/
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.fincdecstp = (6 + 12) / 2,
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.fdisi_eni = (6 + 12) / 2,
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.fdiv = (193 + 203) / 2,
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.fdiv_32 = (215 + 225) / 2,
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.fdiv_64 = (220 + 230) / 2,
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.ffree = (9 + 16) / 2,
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.fadd_i16 = (102 + 137) / 2,
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.fadd_i32 = (108 + 143) / 2,
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.fcom_i16 = (72 + 86) / 2,
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.fcom_i32 = (78 + 91) / 2,
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.fdiv_i16 = (224 + 238) / 2,
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.fdiv_i32 = (230 + 243) / 2,
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.fild_16 = (46 + 54) / 2,
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.fild_32 = (50 + 60) / 2,
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.fild_64 = (60 + 68) / 2,
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.fmul_i16 = (124 + 138) / 2,
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.fmul_i32 = (130 + 144) / 2,
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.finit = (2 + 8) / 2,
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.fist_16 = (80 + 90) / 2,
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.fist_32 = (82 + 92) / 2,
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.fist_64 = (94 + 105) / 2,
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.fld = (17 + 22) / 2,
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.fld_32 = (38 + 56) / 2,
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.fld_64 = (40 + 60) / 2,
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.fld_80 = (53 + 65) / 2,
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.fld_z1 = (11 + 21) / 2,
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.fld_const = (15 + 24) / 2,
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.fldcw = (7 + 14) / 2,
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.fldenv = (35 + 45) / 2,
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.fmul = (90 + 145) / 2,
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.fmul_32 = (110 + 125) / 2,
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.fmul_64 = (154 + 168) / 2,
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.fnop = (10 + 16) / 2,
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.fpatan = (250 + 800) / 2,
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.fprem = (15 + 190) / 2,
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.fprem1 = 0, /*387+*/
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.fptan = (30 + 540) / 2,
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.frndint = (16 + 50) / 2,
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.frstor = (197 + 207) / 2,
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.fsave = (197 + 207) / 2,
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.fscale = (32 + 38) / 2,
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.fsetpm = 0, /*287+*/
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.fsin_cos = 0, /*387+*/
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.fsincos = 0, /*387+*/
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.fsqrt = (180 + 186) / 2,
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.fst = (15 + 22) / 2,
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.fst_32 = (84 + 90) / 2,
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.fst_64 = (96 + 104) / 2,
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.fst_80 = (52 + 58) / 2,
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.fstcw_sw = (12 + 18) / 2,
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.fstenv = (40 + 50) / 2,
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.ftst = (38 + 48) / 2,
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.fucom = 0, /*387+*/
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.fwait = 4,
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.fxam = (12 + 23) / 2,
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.fxch = (10 + 15) / 2,
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.fxtract = (27 + 55) / 2,
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.fyl2x = (900 + 1100) / 2,
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.fyl2xp1 = (700 + 1000) / 2
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};
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const x87_timings_t x87_timings_80187 = {
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.f2xm1 = (310 + 630) / 2,
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.fabs = (10 + 17) / 2,
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.fadd = (70 + 100) / 2,
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.fadd_32 = (90 + 120) / 2,
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.fadd_64 = (95 + 125) / 2,
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.fbld = (290 + 310) / 2,
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.fbstp = (520 + 540) / 2,
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.fchs = (10 + 17) / 2,
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.fclex = (2 + 8) / 2,
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.fcom = (40 + 50) / 2,
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.fcom_32 = (60 + 70) / 2,
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.fcom_64 = (65 + 75) / 2,
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.fcos = 0, /*387+*/
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.fincdecstp = (6 + 12) / 2,
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.fdisi_eni = (6 + 12) / 2,
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.fdiv = (193 + 203) / 2,
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.fdiv_32 = (215 + 225) / 2,
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.fdiv_64 = (220 + 230) / 2,
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.ffree = (9 + 16) / 2,
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.fadd_i16 = (102 + 137) / 2,
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.fadd_i32 = (108 + 143) / 2,
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.fcom_i16 = (72 + 86) / 2,
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.fcom_i32 = (78 + 91) / 2,
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.fdiv_i16 = (224 + 238) / 2,
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.fdiv_i32 = (230 + 243) / 2,
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.fild_16 = (46 + 54) / 2,
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.fild_32 = (50 + 60) / 2,
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.fild_64 = (60 + 68) / 2,
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.fmul_i16 = (124 + 138) / 2,
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.fmul_i32 = (130 + 144) / 2,
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.finit = (2 + 8) / 2,
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.fist_16 = (80 + 90) / 2,
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.fist_32 = (82 + 92) / 2,
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.fist_64 = (94 + 105) / 2,
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.fld = (17 + 22) / 2,
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.fld_32 = (38 + 56) / 2,
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.fld_64 = (40 + 60) / 2,
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.fld_80 = (53 + 65) / 2,
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.fld_z1 = (11 + 21) / 2,
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.fld_const = (15 + 24) / 2,
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.fldcw = (7 + 14) / 2,
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.fldenv = (35 + 45) / 2,
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.fmul = (90 + 145) / 2,
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.fmul_32 = (110 + 125) / 2,
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.fmul_64 = (154 + 168) / 2,
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.fnop = (10 + 16) / 2,
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.fpatan = (250 + 800) / 2,
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.fprem = (15 + 190) / 2,
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.fprem1 = 0, /*387+*/
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.fptan = (30 + 540) / 2,
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.frndint = (16 + 50) / 2,
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.frstor = (197 + 207) / 2,
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.fsave = (197 + 207) / 2,
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.fscale = (32 + 38) / 2,
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.fsetpm = 0, /*287+*/
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.fsin_cos = 0, /*387+*/
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.fsincos = 0, /*387+*/
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.fsqrt = (180 + 186) / 2,
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.fst = (15 + 22) / 2,
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.fst_32 = (84 + 90) / 2,
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.fst_64 = (96 + 104) / 2,
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.fst_80 = (52 + 58) / 2,
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.fstcw_sw = (12 + 18) / 2,
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.fstenv = (40 + 50) / 2,
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.ftst = (38 + 48) / 2,
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.fucom = 0, /*387+*/
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.fwait = 4,
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.fxam = (12 + 23) / 2,
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.fxch = (10 + 15) / 2,
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.fxtract = (27 + 55) / 2,
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.fyl2x = (900 + 1100) / 2,
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.fyl2xp1 = (700 + 1000) / 2
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};
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/*Mostly the same as 8087*/
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const x87_timings_t x87_timings_287 = {
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.f2xm1 = (310 + 630) / 2,
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.fabs = (10 + 17) / 2,
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.fadd = (70 + 100) / 2,
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.fadd_32 = (90 + 120) / 2,
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.fadd_64 = (95 + 125) / 2,
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.fbld = (290 + 310) / 2,
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.fbstp = (520 + 540) / 2,
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.fchs = (10 + 17) / 2,
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.fclex = (2 + 8) / 2,
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.fcom = (40 + 50) / 2,
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.fcom_32 = (60 + 70) / 2,
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.fcom_64 = (65 + 75) / 2,
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.fcos = 0, /*387+*/
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.fincdecstp = (6 + 12) / 2,
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.fdisi_eni = 2,
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.fdiv = (193 + 203) / 2,
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.fdiv_32 = (215 + 225) / 2,
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.fdiv_64 = (220 + 230) / 2,
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.ffree = (9 + 16) / 2,
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.fadd_i16 = (102 + 137) / 2,
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.fadd_i32 = (108 + 143) / 2,
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.fcom_i16 = (72 + 86) / 2,
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.fcom_i32 = (78 + 91) / 2,
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.fdiv_i16 = (224 + 238) / 2,
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.fdiv_i32 = (230 + 243) / 2,
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.fild_16 = (46 + 54) / 2,
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.fild_32 = (50 + 60) / 2,
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.fild_64 = (60 + 68) / 2,
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.fmul_i16 = (124 + 138) / 2,
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.fmul_i32 = (130 + 144) / 2,
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.finit = (2 + 8) / 2,
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.fist_16 = (80 + 90) / 2,
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.fist_32 = (82 + 92) / 2,
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.fist_64 = (94 + 105) / 2,
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.fld = (17 + 22) / 2,
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.fld_32 = (38 + 56) / 2,
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.fld_64 = (40 + 60) / 2,
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.fld_80 = (53 + 65) / 2,
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.fld_z1 = (11 + 21) / 2,
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.fld_const = (15 + 24) / 2,
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.fldcw = (7 + 14) / 2,
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.fldenv = (35 + 45) / 2,
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.fmul = (90 + 145) / 2,
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.fmul_32 = (110 + 125) / 2,
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.fmul_64 = (154 + 168) / 2,
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.fnop = (10 + 16) / 2,
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.fpatan = (250 + 800) / 2,
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.fprem = (15 + 190) / 2,
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.fprem1 = 0, /*387+*/
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.fptan = (30 + 540) / 2,
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.frndint = (16 + 50) / 2,
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.frstor = (197 + 207) / 2,
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.fsave = (197 + 207) / 2,
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.fscale = (32 + 38) / 2,
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.fsetpm = (2 + 8) / 2, /*287+*/
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.fsin_cos = 0, /*387+*/
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.fsincos = 0, /*387+*/
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.fsqrt = (180 + 186) / 2,
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.fst = (15 + 22) / 2,
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.fst_32 = (84 + 90) / 2,
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.fst_64 = (96 + 104) / 2,
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.fst_80 = (52 + 58) / 2,
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.fstcw_sw = (12 + 18) / 2,
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.fstenv = (40 + 50) / 2,
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.ftst = (38 + 48) / 2,
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.fucom = 0, /*387+*/
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.fwait = 3,
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.fxam = (12 + 23) / 2,
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.fxch = (10 + 15) / 2,
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.fxtract = (27 + 55) / 2,
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.fyl2x = (900 + 1100) / 2,
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.fyl2xp1 = (700 + 1000) / 2
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};
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const x87_timings_t x87_timings_387 = {
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.f2xm1 = (211 + 476) / 2,
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.fabs = 22,
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.fadd = (23 + 34) / 2,
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.fadd_32 = (24 + 32) / 2,
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.fadd_64 = (29 + 37) / 2,
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.fbld = (266 + 275) / 2,
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.fbstp = (512 + 534) / 2,
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.fchs = (24 + 25) / 2,
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.fclex = 11,
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.fcom = 24,
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.fcom_32 = 26,
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.fcom_64 = 31,
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.fcos = (122 + 772) / 2,
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.fincdecstp = 22,
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.fdisi_eni = 2,
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.fdiv = (88 + 91) / 2,
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.fdiv_32 = 89,
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.fdiv_64 = 94,
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.ffree = 18,
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.fadd_i16 = (71 + 85) / 2,
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.fadd_i32 = (57 + 72) / 2,
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.fcom_i16 = (71 + 75) / 2,
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.fcom_i32 = (56 + 63) / 2,
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.fdiv_i16 = (136 + 140) / 2,
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.fdiv_i32 = (120 + 127) / 2,
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.fild_16 = (61 + 65) / 2,
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.fild_32 = (45 + 52) / 2,
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.fild_64 = (56 + 67) / 2,
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.fmul_i16 = (76 + 87) / 2,
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.fmul_i32 = (61 + 82) / 2,
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.finit = 33,
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.fist_16 = (82 + 95) / 2,
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.fist_32 = (79 + 93) / 2,
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.fist_64 = (80 + 97) / 2,
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.fld = 14,
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.fld_32 = 20,
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.fld_64 = 25,
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.fld_80 = 44,
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.fld_z1 = (20 + 24) / 2,
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.fld_const = 40,
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.fldcw = 19,
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.fldenv = 71,
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.fmul = (29 + 57) / 2,
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.fmul_32 = (27 + 35) / 2,
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.fmul_64 = (32 + 57) / 2,
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.fnop = 12,
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.fpatan = (314 + 487) / 2,
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.fprem = (74 + 155) / 2,
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.fprem1 = (95 + 185) / 2,
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.fptan = (191 + 497) / 2,
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.frndint = (66 + 80) / 2,
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.frstor = 308,
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.fsave = 375,
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.fscale = (67 + 86) / 2,
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.fsetpm = 12,
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.fsin_cos = (122 + 771) / 2,
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.fsincos = (194 + 809) / 2,
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.fsqrt = (122 + 129) / 2,
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.fst = 11,
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.fst_32 = 44,
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.fst_64 = 45,
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.fst_80 = 53,
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.fstcw_sw = 15,
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.fstenv = 103,
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.ftst = 28,
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.fucom = 24,
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.fwait = 6,
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.fxam = (30 + 38) / 2,
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.fxch = 18,
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.fxtract = (70 + 76) / 2,
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.fyl2x = (120 + 538) / 2,
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.fyl2xp1 = (257 + 547) / 2
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};
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const x87_timings_t x87_timings_486 = {
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.f2xm1 = (140 + 270) / 2,
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.fabs = 3,
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.fadd = (8 + 20) / 2,
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.fadd_32 = (8 + 20) / 2,
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.fadd_64 = (8 + 20) / 2,
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.fbld = (70 + 103) / 2,
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.fbstp = (172 + 176) / 2,
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.fchs = 6,
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.fclex = 7,
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.fcom = 4,
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.fcom_32 = 4,
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.fcom_64 = 4,
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.fcos = (257 + 354) / 2,
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.fincdecstp = 3,
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.fdisi_eni = 3,
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.fdiv = 73,
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.fdiv_32 = 73,
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.fdiv_64 = 73,
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.ffree = 3,
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.fadd_i16 = (20 + 35) / 2,
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.fadd_i32 = (19 + 32) / 2,
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.fcom_i16 = (16 + 20) / 2,
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.fcom_i32 = (15 + 17) / 2,
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.fdiv_i16 = (85 + 89) / 2,
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.fdiv_i32 = (84 + 86) / 2,
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.fild_16 = (13 + 16) / 2,
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.fild_32 = (9 + 12) / 2,
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.fild_64 = (10 + 18) / 2,
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.fmul_i16 = (23 + 27) / 2,
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.fmul_i32 = (22 + 24) / 2,
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.finit = 17,
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.fist_16 = (29 + 34) / 2,
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.fist_32 = (28 + 34) / 2,
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.fist_64 = (29 + 34) / 2,
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.fld = 4,
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.fld_32 = 3,
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.fld_64 = 3,
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.fld_80 = 6,
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.fld_z1 = 4,
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.fld_const = 8,
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.fldcw = 4,
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.fldenv = 34,
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.fmul = 16,
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.fmul_32 = 11,
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.fmul_64 = 14,
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.fnop = 3,
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.fpatan = (218 + 303) / 2,
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.fprem = (70 + 138) / 2,
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.fprem1 = (72 + 167) / 2,
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.fptan = (200 + 273) / 2,
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.frndint = (21 + 30) / 2,
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.frstor = 120,
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.fsave = 143,
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.fscale = (30 + 32) / 2,
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.fsetpm = 3,
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.fsin_cos = (257 + 354) / 2,
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.fsincos = (292 + 365) / 2,
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.fsqrt = (83 + 87) / 2,
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.fst = 3,
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.fst_32 = 7,
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.fst_64 = 8,
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.fst_80 = 6,
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.fstcw_sw = 3,
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.fstenv = 56,
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.ftst = 4,
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.fucom = 4,
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.fwait = (1 + 3) / 2,
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.fxam = 8,
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.fxch = 4,
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.fxtract = (16 + 20) / 2,
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.fyl2x = (196 + 329) / 2,
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.fyl2xp1 = (171 + 326) / 2
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};
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/* this should be used for FPUs with no concurrency.
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some pre-486DX Cyrix FPUs reportedly are like this. */
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const x87_timings_t x87_concurrency_none = {
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.f2xm1 = 0,
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.fabs = 0,
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.fadd = 0,
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.fadd_32 = 0,
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.fadd_64 = 0,
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.fbld = 0,
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.fbstp = 0,
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.fchs = 0,
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.fclex = 0,
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.fcom = 0,
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.fcom_32 = 0,
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.fcom_64 = 0,
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.fcos = 0,
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.fincdecstp = 0,
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.fdisi_eni = 0,
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.fdiv = 0,
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.fdiv_32 = 0,
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.fdiv_64 = 0,
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.ffree = 0,
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.fadd_i16 = 0,
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.fadd_i32 = 0,
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.fcom_i16 = 0,
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.fcom_i32 = 0,
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.fdiv_i16 = 0,
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.fdiv_i32 = 0,
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.fild_16 = 0,
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.fild_32 = 0,
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.fild_64 = 0,
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.fmul_i16 = 0,
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.fmul_i32 = 0,
|
|
.finit = 0,
|
|
.fist_16 = 0,
|
|
.fist_32 = 0,
|
|
.fist_64 = 0,
|
|
.fld = 0,
|
|
.fld_32 = 0,
|
|
.fld_64 = 0,
|
|
.fld_80 = 0,
|
|
.fld_z1 = 0,
|
|
.fld_const = 0,
|
|
.fldcw = 0,
|
|
.fldenv = 0,
|
|
.fmul = 0,
|
|
.fmul_32 = 0,
|
|
.fmul_64 = 0,
|
|
.fnop = 0,
|
|
.fpatan = 0,
|
|
.fprem = 0,
|
|
.fprem1 = 0,
|
|
.fptan = 0,
|
|
.frndint = 0,
|
|
.frstor = 0,
|
|
.fsave = 0,
|
|
.fscale = 0,
|
|
.fsetpm = 0,
|
|
.fsin_cos = 0,
|
|
.fsincos = 0,
|
|
.fsqrt = 0,
|
|
.fst = 0,
|
|
.fst_32 = 0,
|
|
.fst_64 = 0,
|
|
.fst_80 = 0,
|
|
.fstcw_sw = 0,
|
|
.fstenv = 0,
|
|
.ftst = 0,
|
|
.fucom = 0,
|
|
.fwait = 0,
|
|
.fxam = 0,
|
|
.fxch = 0,
|
|
.fxtract = 0,
|
|
.fyl2x = 0,
|
|
.fyl2xp1 = 0,
|
|
};
|
|
|
|
const x87_timings_t x87_concurrency_486 = {
|
|
.f2xm1 = 2,
|
|
.fabs = 0,
|
|
.fadd = 7,
|
|
.fadd_32 = 7,
|
|
.fadd_64 = 7,
|
|
.fbld = 8,
|
|
.fbstp = 0,
|
|
.fchs = 0,
|
|
.fclex = 0,
|
|
.fcom = 1,
|
|
.fcom_32 = 1,
|
|
.fcom_64 = 1,
|
|
.fcos = 2,
|
|
.fincdecstp = 0,
|
|
.fdisi_eni = 0,
|
|
.fdiv = 70,
|
|
.fdiv_32 = 70,
|
|
.fdiv_64 = 70,
|
|
.ffree = 0,
|
|
.fadd_i16 = 7,
|
|
.fadd_i32 = 7,
|
|
.fcom_i16 = 1,
|
|
.fcom_i32 = 1,
|
|
.fdiv_i16 = 70,
|
|
.fdiv_i32 = 70,
|
|
.fild_16 = 4,
|
|
.fild_32 = 4,
|
|
.fild_64 = 8,
|
|
.fmul_i16 = 8,
|
|
.fmul_i32 = 8,
|
|
.finit = 0,
|
|
.fist_16 = 0,
|
|
.fist_32 = 0,
|
|
.fist_64 = 0,
|
|
.fld = 0,
|
|
.fld_32 = 0,
|
|
.fld_64 = 0,
|
|
.fld_80 = 0,
|
|
.fld_z1 = 0,
|
|
.fld_const = 2,
|
|
.fldcw = 0,
|
|
.fldenv = 0,
|
|
.fmul = 13,
|
|
.fmul_32 = 8,
|
|
.fmul_64 = 11,
|
|
.fnop = 0,
|
|
.fpatan = 5,
|
|
.fprem = 2,
|
|
.fprem1 = 6,
|
|
.fptan = 70,
|
|
.frndint = 0,
|
|
.frstor = 0,
|
|
.fsave = 0,
|
|
.fscale = 2,
|
|
.fsetpm = 0,
|
|
.fsin_cos = 2,
|
|
.fsincos = 2,
|
|
.fsqrt = 70,
|
|
.fst = 0,
|
|
.fst_32 = 0,
|
|
.fst_64 = 0,
|
|
.fst_80 = 0,
|
|
.fstcw_sw = 0,
|
|
.fstenv = 0,
|
|
.ftst = 1,
|
|
.fucom = 1,
|
|
.fwait = 0,
|
|
.fxam = 0,
|
|
.fxch = 0,
|
|
.fxtract = 4,
|
|
.fyl2x = 13,
|
|
.fyl2xp1 = 13,
|
|
};
|