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Internals: Add datap cast functions (#5761)

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Moubarak Jeje 2025-02-05 14:29:54 -06:00 committed by GitHub
parent 6b4183632c
commit 5b65c15eca
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2 changed files with 35 additions and 6 deletions
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docs/CONTRIBUTORS
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@ -155,6 +155,7 @@ Miodrag Milanović
Mladen Slijepcevic
Morten Borup Petersen
Mostafa Gamal
Moubarak Jeje
Nandu Raj
Natan Kreimer
Nathan Graybeal

40
include/verilated_vpi.cpp
View File

@ -221,6 +221,34 @@ public:
const char* name() const override { return m_varp->name(); }
const char* fullname() const override { return m_fullname.c_str(); }
virtual void* varDatap() const { return m_varp->datap(); }
CData* varCDatap() const {
VL_DEBUG_IFDEF(assert(varp()->vltype() == VLVT_UINT8););
return reinterpret_cast<CData*>(varDatap());
}
SData* varSDatap() const {
VL_DEBUG_IFDEF(assert(varp()->vltype() == VLVT_UINT16););
return reinterpret_cast<SData*>(varDatap());
}
IData* varIDatap() const {
VL_DEBUG_IFDEF(assert(varp()->vltype() == VLVT_UINT32););
return reinterpret_cast<IData*>(varDatap());
}
QData* varQDatap() const {
VL_DEBUG_IFDEF(assert(varp()->vltype() == VLVT_UINT64););
return reinterpret_cast<QData*>(varDatap());
}
EData* varEDatap() const {
VL_DEBUG_IFDEF(assert(varp()->vltype() == VLVT_WDATA););
return reinterpret_cast<EData*>(varDatap());
}
double* varRealDatap() const {
VL_DEBUG_IFDEF(assert(varp()->vltype() == VLVT_REAL););
return reinterpret_cast<double*>(varDatap());
}
std::string* varStringDatap() const {
VL_DEBUG_IFDEF(assert(varp()->vltype() == VLVT_STRING););
return reinterpret_cast<std::string*>(varDatap());
}
virtual uint32_t bitOffset() const { return 0; }
};
@ -2584,7 +2612,7 @@ void vl_vpi_get_value(const VerilatedVpioVarBase* vop, p_vpi_value valuep) {
}
} else if (valuep->format == vpiBinStrVal) {
t_outDynamicStr.resize(varBits);
const CData* datap = (reinterpret_cast<CData*>(varDatap));
const CData* datap = reinterpret_cast<CData*>(varDatap);
for (size_t i = 0; i < varBits; ++i) {
const size_t pos = i + vop->bitOffset();
const char val = (datap[pos >> 3] >> (pos & 7)) & 1;
@ -2632,7 +2660,7 @@ void vl_vpi_get_value(const VerilatedVpioVarBase* vop, p_vpi_value valuep) {
valuep->value.str = reinterpret_cast<char*>(varDatap);
return;
} else {
t_outDynamicStr = *(reinterpret_cast<std::string*>(varDatap));
t_outDynamicStr = *(vop->varStringDatap());
valuep->value.str = const_cast<char*>(t_outDynamicStr.c_str());
return;
}
@ -2651,7 +2679,7 @@ void vl_vpi_get_value(const VerilatedVpioVarBase* vop, p_vpi_value valuep) {
valuep->value.integer = vl_vpi_get_word(vop, 32, 0);
return;
} else if (valuep->format == vpiRealVal) {
valuep->value.real = *(reinterpret_cast<double*>(varDatap));
valuep->value.real = *(vop->varRealDatap());
return;
} else if (valuep->format == vpiSuppressVal) {
return;
@ -2739,7 +2767,7 @@ vpiHandle vpi_put_value(vpiHandle object, p_vpi_value valuep, p_vpi_time /*time_
}
} else if (valuep->format == vpiBinStrVal) {
const int len = std::strlen(valuep->value.str);
CData* const datap = (reinterpret_cast<CData*>(vop->varDatap()));
CData* const datap = reinterpret_cast<CData*>(vop->varDatap());
for (int i = 0; i < varBits; ++i) {
const bool set = (i < len) && (valuep->value.str[len - i - 1] == '1');
const size_t pos = vop->bitOffset() + i;
@ -2819,7 +2847,7 @@ vpiHandle vpi_put_value(vpiHandle object, p_vpi_value valuep, p_vpi_time /*time_
return object;
} else if (valuep->format == vpiStringVal) {
if (vop->varp()->vltype() == VLVT_STRING) {
*(reinterpret_cast<std::string*>(vop->varDatap())) = valuep->value.str;
*(vop->varStringDatap()) = valuep->value.str;
return object;
} else {
const int chars = VL_BYTES_I(varBits);
@ -2836,7 +2864,7 @@ vpiHandle vpi_put_value(vpiHandle object, p_vpi_value valuep, p_vpi_time /*time_
return object;
} else if (valuep->format == vpiRealVal) {
if (vop->varp()->vltype() == VLVT_REAL) {
*(reinterpret_cast<double*>(vop->varDatap())) = valuep->value.real;
*(vop->varRealDatap()) = valuep->value.real;
return object;
}
}