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This commit is contained in:
Jasmine Iwanek
2024-08-12 20:01:54 -04:00
parent f38b6c00c6
commit ad3eaf17a9
7 changed files with 354 additions and 354 deletions
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98
src/cpu/codegen_timing_486.c
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@@ -18,7 +18,7 @@
#define CYCLES(c) (int *) c
#define CYCLES2(c16, c32) (int *) ((-1 & ~0xffff) | c16 | (c32 << 8))
static int *opcode_timings[256] = {
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),
@@ -42,7 +42,7 @@ static int *opcode_timings[256] = {
// clang-format on
};
static int *opcode_timings_mod3[256] = {
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),
@@ -66,7 +66,7 @@ static int *opcode_timings_mod3[256] = {
// clang-format on
};
static int *opcode_timings_0f[256] = {
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,
@@ -89,7 +89,7 @@ static int *opcode_timings_0f[256] = {
/*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_0f_mod3[256] = {
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,
@@ -113,65 +113,65 @@ static int *opcode_timings_0f_mod3[256] = {
// clang-format on
};
static int *opcode_timings_shift[8] = {
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_shift_mod3[8] = {
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_f6[8] = {
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_f6_mod3[8] = {
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_f7[8] = {
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_f7_mod3[8] = {
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_ff[8] = {
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_ff_mod3[8] = {
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_d8[8] = {
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_d8_mod3[8] = {
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_d9[8] = {
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_d9_mod3[64] = {
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),
@@ -192,25 +192,25 @@ static int *opcode_timings_d9_mod3[64] = {
// clang-format on
};
static int *opcode_timings_da[8] = {
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_da_mod3[8] = {
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_db[8] = {
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_db_mod3[64] = {
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,
@@ -224,74 +224,74 @@ static int *opcode_timings_db_mod3[64] = {
// clang-format on
};
static int *opcode_timings_dc[8] = {
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_dc_mod3[8] = {
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_dd[8] = {
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_dd_mod3[8] = {
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_de[8] = {
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_de_mod3[8] = {
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_df[8] = {
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_df_mod3[8] = {
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_8x[8] = {
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_8x_mod3[8] = {
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_81[8] = {
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_81_mod3[8] = {
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
@@ -330,7 +330,7 @@ codegen_timing_486_start(void)
void
codegen_timing_486_prefix(uint8_t prefix, uint32_t fetchdat)
{
timing_count += COUNT(opcode_timings[prefix], 0);
timing_count += COUNT(opcode_timings_486[prefix], 0);
last_prefix = prefix;
}
@@ -344,47 +344,47 @@ codegen_timing_486_opcode(uint8_t opcode, uint32_t fetchdat, int op_32, UNUSED(u
switch (last_prefix) {
case 0x0f:
timings = mod3 ? opcode_timings_0f_mod3 : opcode_timings_0f;
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_d8_mod3 : opcode_timings_d8;
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_d9_mod3 : opcode_timings_d9;
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_da_mod3 : opcode_timings_da;
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_db_mod3 : opcode_timings_db;
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_dc_mod3 : opcode_timings_dc;
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_dd_mod3 : opcode_timings_dd;
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_de_mod3 : opcode_timings_de;
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_df_mod3 : opcode_timings_df;
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;
@@ -394,12 +394,12 @@ codegen_timing_486_opcode(uint8_t opcode, uint32_t fetchdat, int op_32, UNUSED(u
case 0x80:
case 0x82:
case 0x83:
timings = mod3 ? opcode_timings_8x_mod3 : opcode_timings_8x;
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_81_mod3 : opcode_timings_81;
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;
@@ -410,29 +410,29 @@ codegen_timing_486_opcode(uint8_t opcode, uint32_t fetchdat, int op_32, UNUSED(u
case 0xd1:
case 0xd2:
case 0xd3:
timings = mod3 ? opcode_timings_shift_mod3 : opcode_timings_shift;
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_f6_mod3 : opcode_timings_f6;
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_f7_mod3 : opcode_timings_f7;
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_ff_mod3 : opcode_timings_ff;
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_mod3 : opcode_timings;
timings = mod3 ? opcode_timings_486_mod3 : opcode_timings_486;
deps = mod3 ? opcode_deps_mod3 : opcode_deps;
break;
}