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Improved disassembly of running ISS

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This commit is contained in:
Eyck Jentzsch
2018-11-24 20:29:24 +01:00
parent df03e90181
commit 769610d6fc
27 changed files with 5277 additions and 5106 deletions
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52
riscv/gen_input/RV32F.core_desc
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@@ -10,7 +10,7 @@ InsructionSet RV32F extends RV32IBase{
instructions{
FLW {
encoding: imm[11:0]s | rs1[4:0] | b010 | rd[4:0] | b0000111;
args_disass:"f%rd$d, %imm%(x%rs1$d)";
args_disass:"f{rd}, {imm}(x{rs1})";
val offs[XLEN] <= X[rs1]'s + imm;
val res[32] <= MEM[offs]{32};
if(FLEN==32)
@@ -22,13 +22,13 @@ InsructionSet RV32F extends RV32IBase{
}
FSW {
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b010 | imm[4:0]s | b0100111;
args_disass:"f%rs2$d, %imm%(x%rs1$d)";
args_disass:"f{rs2}, {imm}(x{rs1})";
val offs[XLEN] <= X[rs1]'s + imm;
MEM[offs]{32}<=F[rs2]{32};
}
FMADD.S {
encoding: rs3[4:0] | b00 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1000011;
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
args_disass:"x{rd}, f{rs1}, f{rs2}, f{rs3}";
//F[rd]f<= F[rs1]f * F[rs2]f + F[rs3]f;
val res[32] <= fdispatch_fmadd_s(F[rs1]{32}, F[rs2]{32}, F[rs3]{32}, zext(0, 32), choose(rm<7, rm{8}, FCSR{8}));
if(FLEN==32)
@@ -42,7 +42,7 @@ InsructionSet RV32F extends RV32IBase{
}
FMSUB.S {
encoding: rs3[4:0] | b00 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1000111;
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
args_disass:"x{rd}, f{rs1}, f{rs2}, f{rs3}";
//F[rd]f<=F[rs1]f * F[rs2]f - F[rs3]f;
val res[32] <= fdispatch_fmadd_s(F[rs1]{32}, F[rs2]{32}, F[rs3]{32}, zext(1, 32), choose(rm<7, rm{8}, FCSR{8}));
if(FLEN==32)
@@ -56,7 +56,7 @@ InsructionSet RV32F extends RV32IBase{
}
FNMADD.S {
encoding: rs3[4:0] | b00 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1001111;
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
args_disass:"x{rd}, f{rs1}, f{rs2}, f{rs3}";
//F[rd]f<=-F[rs1]f * F[rs2]f + F[rs3]f;
val res[32] <= fdispatch_fmadd_s(F[rs1]{32}, F[rs2]{32}, F[rs3]{32}, zext(2, 32), choose(rm<7, rm{8}, FCSR{8}));
if(FLEN==32)
@@ -70,7 +70,7 @@ InsructionSet RV32F extends RV32IBase{
}
FNMSUB.S {
encoding: rs3[4:0] | b00 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1001011;
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
args_disass:"x{rd}, f{rs1}, f{rs2}, f{rs3}";
//F[rd]f<=-F[rs1]f * F[rs2]f - F[rs3]f;
val res[32] <= fdispatch_fmadd_s(F[rs1]{32}, F[rs2]{32}, F[rs3]{32}, zext(3, 32), choose(rm<7, rm{8}, FCSR{8}));
if(FLEN==32)
@@ -84,7 +84,7 @@ InsructionSet RV32F extends RV32IBase{
}
FADD.S {
encoding: b0000000 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
args_disass:"f{rd}, f{rs1}, f{rs2}";
// F[rd]f <= F[rs1]f + F[rs2]f;
val res[32] <= fdispatch_fadd_s(F[rs1]{32}, F[rs2]{32}, choose(rm<7, rm{8}, FCSR{8}));
if(FLEN==32)
@@ -98,7 +98,7 @@ InsructionSet RV32F extends RV32IBase{
}
FSUB.S {
encoding: b0000100 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
args_disass:"f{rd}, f{rs1}, f{rs2}";
// F[rd]f <= F[rs1]f - F[rs2]f;
val res[32] <= fdispatch_fsub_s(F[rs1]{32}, F[rs2]{32}, choose(rm<7, rm{8}, FCSR{8}));
if(FLEN==32)
@@ -112,7 +112,7 @@ InsructionSet RV32F extends RV32IBase{
}
FMUL.S {
encoding: b0001000 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
args_disass:"f{rd}, f{rs1}, f{rs2}";
// F[rd]f <= F[rs1]f * F[rs2]f;
val res[32] <= fdispatch_fmul_s(F[rs1]{32}, F[rs2]{32}, choose(rm<7, rm{8}, FCSR{8}));
if(FLEN==32)
@@ -126,7 +126,7 @@ InsructionSet RV32F extends RV32IBase{
}
FDIV.S {
encoding: b0001100 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
args_disass:"f{rd}, f{rs1}, f{rs2}";
// F[rd]f <= F[rs1]f / F[rs2]f;
val res[32] <= fdispatch_fdiv_s(F[rs1]{32}, F[rs2]{32}, choose(rm<7, rm{8}, FCSR{8}));
if(FLEN==32)
@@ -140,7 +140,7 @@ InsructionSet RV32F extends RV32IBase{
}
FSQRT.S {
encoding: b0101100 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
args_disass:"f%rd$d, f%rs1$d";
args_disass:"f{rd}, f{rs1}";
//F[rd]f<=sqrt(F[rs1]f);
val res[32] <= fdispatch_fsqrt_s(F[rs1]{32}, choose(rm<7, rm{8}, FCSR{8}));
if(FLEN==32)
@@ -154,7 +154,7 @@ InsructionSet RV32F extends RV32IBase{
}
FSGNJ.S {
encoding: b0010000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
args_disass:"f{rd}, f{rs1}, f{rs2}";
val res[32] <= (F[rs1]{32} & 0x7fffffff) | (F[rs2]{32} & 0x80000000);
if(FLEN==32)
F[rd] <= res;
@@ -165,7 +165,7 @@ InsructionSet RV32F extends RV32IBase{
}
FSGNJN.S {
encoding: b0010000 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
args_disass:"f{rd}, f{rs1}, f{rs2}";
val res[32] <= (F[rs1]{32} & 0x7fffffff) | (~F[rs2]{32} & 0x80000000);
if(FLEN==32)
F[rd] <= res;
@@ -176,7 +176,7 @@ InsructionSet RV32F extends RV32IBase{
}
FSGNJX.S {
encoding: b0010000 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b1010011;
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
args_disass:"f{rd}, f{rs1}, f{rs2}";
val res[32] <= F[rs1]{32} ^ (F[rs2]{32} & 0x80000000);
if(FLEN==32)
F[rd] <= res;
@@ -187,7 +187,7 @@ InsructionSet RV32F extends RV32IBase{
}
FMIN.S {
encoding: b0010100 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
args_disass:"f{rd}, f{rs1}, f{rs2}";
//F[rd]f<= choose(F[rs1]f<F[rs2]f, F[rs1]f, F[rs2]f);
val res[32] <= fdispatch_fsel_s(F[rs1]{32}, F[rs2]{32}, zext(0, 32));
if(FLEN==32)
@@ -201,7 +201,7 @@ InsructionSet RV32F extends RV32IBase{
}
FMAX.S {
encoding: b0010100 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
args_disass:"f{rd}, f{rs1}, f{rs2}";
//F[rd]f<= choose(F[rs1]f>F[rs2]f, F[rs1]f, F[rs2]f);
val res[32] <= fdispatch_fsel_s(F[rs1]{32}, F[rs2]{32}, zext(1, 32));
if(FLEN==32)
@@ -215,47 +215,47 @@ InsructionSet RV32F extends RV32IBase{
}
FCVT.W.S {
encoding: b1100000 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
args_disass:"x%rd$d, f%rs1$d";
args_disass:"x{rd}, f{rs1}";
X[rd]<= sext(fdispatch_fcvt_s(F[rs1]{32}, zext(0, 32), rm{8}), XLEN);
val flags[32] <= fdispatch_fget_flags();
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
}
FCVT.WU.S {
encoding: b1100000 | b00001 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
args_disass:"x%rd$d, f%rs1$d";
args_disass:"x{rd}, f{rs1}";
X[rd]<= zext(fdispatch_fcvt_s(F[rs1]{32}, zext(1, 32), rm{8}), XLEN);
val flags[32] <= fdispatch_fget_flags();
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
}
FEQ.S {
encoding: b1010000 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b1010011;
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
args_disass:"x{rd}, f{rs1}, f{rs2}";
X[rd]<=fdispatch_fcmp_s(F[rs1]{32}, F[rs2]{32}, zext(0, 32));
val flags[32] <= fdispatch_fget_flags();
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
}
FLT.S {
encoding: b1010000 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
args_disass:"x{rd}, f{rs1}, f{rs2}";
X[rd]<=fdispatch_fcmp_s(F[rs1]{32}, F[rs2]{32}, zext(2, 32));
val flags[32] <= fdispatch_fget_flags();
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
}
FLE.S {
encoding: b1010000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
args_disass:"x{rd}, f{rs1}, f{rs2}";
X[rd]<=fdispatch_fcmp_s(F[rs1]{32}, F[rs2]{32}, zext(1, 32));
val flags[32] <= fdispatch_fget_flags();
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
}
FCLASS.S {
encoding: b1110000 | b00000 | rs1[4:0] | b001 | rd[4:0] | b1010011;
args_disass:"x%rd$d, f%rs1$d";
args_disass:"x{rd}, f{rs1}";
X[rd]<=fdispatch_fclass_s(F[rs1]{32});
}
FCVT.S.W {
encoding: b1101000 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
args_disass:"f%rd$d, x%rs1$d";
args_disass:"f{rd}, x{rs1}";
val res[32] <= fdispatch_fcvt_s(X[rs1]{32}, zext(2, 32), rm{8});
if(FLEN==32)
F[rd] <= res;
@@ -266,7 +266,7 @@ InsructionSet RV32F extends RV32IBase{
}
FCVT.S.WU {
encoding: b1101000 | b00001 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
args_disass:"f%rd$d, x%rs1$d";
args_disass:"f{rd}, x{rs1}";
val res[32] <=fdispatch_fcvt_s(X[rs1]{32}, zext(3,32), rm{8});
if(FLEN==32)
F[rd] <= res;
@@ -277,12 +277,12 @@ InsructionSet RV32F extends RV32IBase{
}
FMV.X.W {
encoding: b1110000 | b00000 | rs1[4:0] | b000 | rd[4:0] | b1010011;
args_disass:"x%rd$d, f%rs1$d";
args_disass:"x{rd}, f{rs1}";
X[rd]<=sext(F[rs1]{32});
}
FMV.W.X {
encoding: b1111000 | b00000 | rs1[4:0] | b000 | rd[4:0] | b1010011;
args_disass:"f%rd$d, x%rs1$d";
args_disass:"f{rd}, x{rs1}";
if(FLEN==32)
F[rd] <= X[rs1];
else { // NaN boxing