verilator/include/verilated_vpi.cpp
Stefan Wallentowitz 633131b984 Return vpiModule when it is the scope.
Return the vpiModule when it is searched for by name and not the vpiScope,
now that we actually have it (one step further to supporting vpiModule in
complete).

Signed-off-by: Stefan Wallentowitz <stefan@wallentowitz.de>
Signed-off-by: Wilson Snyder <wsnyder@wsnyder.org>
2019-10-02 18:47:12 -04:00

2057 lines
78 KiB
C++

// -*- mode: C++; c-file-style: "cc-mode" -*-
//*************************************************************************
//
// Copyright 2009-2019 by Wilson Snyder. This program is free software; you can
// redistribute it and/or modify it under the terms of either the GNU
// Lesser General Public License Version 3 or the Perl Artistic License.
// Version 2.0.
//
// Verilator is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
//=========================================================================
///
/// \file
/// \brief Verilator: VPI implementation code
///
/// This file must be compiled and linked against all objects
/// created from Verilator or called by Verilator that use the VPI.
///
/// Use "verilator --vpi" to add this to the Makefile for the linker.
///
/// Code available from: http://www.veripool.org/verilator
///
//=========================================================================
#define _VERILATED_VPI_CPP_
#if VM_SC
# include "verilated_sc.h"
#endif
#include "verilated.h"
#include "verilated_vpi.h"
#include "verilated_imp.h"
#include <list>
#include <map>
#include <set>
#include <sstream>
//======================================================================
// Internal constants
#define VL_DEBUG_IF_PLI VL_DEBUG_IF
#define VL_VPI_LINE_SIZE 8192
//======================================================================
// Internal macros
#define _VL_VPI_INTERNAL VerilatedVpiImp::error_info()->setMessage(vpiInternal)->setMessage
#define _VL_VPI_SYSTEM VerilatedVpiImp::error_info()->setMessage(vpiSystem )->setMessage
#define _VL_VPI_ERROR VerilatedVpiImp::error_info()->setMessage(vpiError )->setMessage
#define _VL_VPI_WARNING VerilatedVpiImp::error_info()->setMessage(vpiWarning )->setMessage
#define _VL_VPI_NOTICE VerilatedVpiImp::error_info()->setMessage(vpiNotice )->setMessage
#define _VL_VPI_ERROR_RESET VerilatedVpiImp::error_info()->resetError
// Not supported yet
#define _VL_VPI_UNIMP() \
_VL_VPI_ERROR(__FILE__, __LINE__, Verilated::catName("Unsupported VPI function: ", VL_FUNC));
//======================================================================
// Implementation
// Base VPI handled object
class VerilatedVpio {
// MEM MANGLEMENT
static VL_THREAD_LOCAL vluint8_t* t_freeHead;
public:
// CONSTRUCTORS
VerilatedVpio() {}
virtual ~VerilatedVpio() {}
inline static void* operator new(size_t size) VL_MT_SAFE {
// We new and delete tons of vpi structures, so keep them around
// To simplify our free list, we use a size large enough for all derived types
// We reserve word zero for the next pointer, as that's safer in case a
// dangling reference to the original remains around.
static const size_t chunk = 96;
if (VL_UNCOVERABLE(size>chunk)) VL_FATAL_MT(__FILE__, __LINE__, "", "increase chunk");
if (VL_LIKELY(t_freeHead)) {
vluint8_t* newp = t_freeHead;
t_freeHead = *((vluint8_t**)newp);
return newp+8;
}
// +8: 8 bytes for next
vluint8_t* newp = reinterpret_cast<vluint8_t*>(::operator new(chunk+8));
return newp+8;
}
inline static void operator delete(void* obj, size_t size) VL_MT_SAFE {
vluint8_t* oldp = ((vluint8_t*)obj)-8;
*((void**)oldp) = t_freeHead;
t_freeHead = oldp;
}
// MEMBERS
static inline VerilatedVpio* castp(vpiHandle h) {
return dynamic_cast<VerilatedVpio*>((VerilatedVpio*)h); }
inline vpiHandle castVpiHandle() { return reinterpret_cast<vpiHandle>(this); }
// ACCESSORS
virtual const char* name() const { return "<null>"; }
virtual const char* fullname() const { return "<null>"; }
virtual const char* defname() const { return "<null>"; }
virtual vluint32_t type() const { return 0; }
virtual vluint32_t size() const { return 0; }
virtual const VerilatedRange* rangep() const { return NULL; }
virtual vpiHandle dovpi_scan() { return 0; }
};
typedef PLI_INT32 (*VerilatedPliCb)(struct t_cb_data *);
class VerilatedVpioCb : public VerilatedVpio {
t_cb_data m_cbData;
s_vpi_value m_value;
QData m_time;
public:
// cppcheck-suppress uninitVar // m_value
VerilatedVpioCb(const t_cb_data* cbDatap, QData time)
: m_cbData(*cbDatap), m_time(time) {
m_value.format = cbDatap->value ? cbDatap->value->format : vpiSuppressVal;
m_cbData.value = &m_value;
}
virtual ~VerilatedVpioCb() {}
static inline VerilatedVpioCb* castp(vpiHandle h) {
return dynamic_cast<VerilatedVpioCb*>((VerilatedVpio*)h); }
virtual vluint32_t type() const { return vpiCallback; }
vluint32_t reason() const { return m_cbData.reason; }
VerilatedPliCb cb_rtnp() const { return m_cbData.cb_rtn; }
t_cb_data* cb_datap() { return &(m_cbData); }
QData time() const { return m_time; }
};
class VerilatedVpioConst : public VerilatedVpio {
vlsint32_t m_num;
public:
explicit VerilatedVpioConst(vlsint32_t num) : m_num(num) {}
virtual ~VerilatedVpioConst() {}
static inline VerilatedVpioConst* castp(vpiHandle h) {
return dynamic_cast<VerilatedVpioConst*>((VerilatedVpio*)h); }
virtual vluint32_t type() const { return vpiUndefined; }
vlsint32_t num() const { return m_num; }
};
class VerilatedVpioRange : public VerilatedVpio {
const VerilatedRange* m_range;
vlsint32_t m_iteration;
public:
explicit VerilatedVpioRange(const VerilatedRange* range) : m_range(range), m_iteration(0) {}
virtual ~VerilatedVpioRange() {}
static inline VerilatedVpioRange* castp(vpiHandle h) {
return dynamic_cast<VerilatedVpioRange*>((VerilatedVpio*)h); }
virtual vluint32_t type() const { return vpiRange; }
virtual vluint32_t size() const { return m_range->elements(); }
virtual const VerilatedRange* rangep() const { return m_range; }
int iteration() const { return m_iteration; }
void iterationInc() { ++m_iteration; }
virtual vpiHandle dovpi_scan() {
if (!iteration()) {
VerilatedVpioRange* nextp = new VerilatedVpioRange(*this);
nextp->iterationInc();
return ((nextp)->castVpiHandle());
}
return 0; // End of list - only one deep
}
};
class VerilatedVpioScope : public VerilatedVpio {
protected:
const VerilatedScope* m_scopep;
public:
explicit VerilatedVpioScope(const VerilatedScope* scopep)
: m_scopep(scopep) {}
virtual ~VerilatedVpioScope() {}
static inline VerilatedVpioScope* castp(vpiHandle h) {
return dynamic_cast<VerilatedVpioScope*>((VerilatedVpio*)h); }
virtual vluint32_t type() const { return vpiScope; }
const VerilatedScope* scopep() const { return m_scopep; }
virtual const char* name() const { return m_scopep->name(); }
virtual const char* fullname() const { return m_scopep->name(); }
};
class VerilatedVpioVar : public VerilatedVpio {
const VerilatedVar* m_varp;
const VerilatedScope* m_scopep;
vluint8_t* m_prevDatap; // Previous value of data, for cbValueChange
union {
vluint8_t u8[4];
vluint32_t u32;
} m_mask; // memoized variable mask
vluint32_t m_entSize; // memoized variable size
protected:
void* m_varDatap; // varp()->datap() adjusted for array entries
vlsint32_t m_index;
const VerilatedRange& get_range() const {
// Determine number of dimensions and return outermost
return (m_varp->dims()>1) ? m_varp->unpacked() : m_varp->packed();
}
public:
VerilatedVpioVar(const VerilatedVar* varp, const VerilatedScope* scopep)
: m_varp(varp), m_scopep(scopep), m_index(0) {
m_prevDatap = NULL;
m_mask.u32 = VL_MASK_I(varp->packed().elements());
m_entSize = varp->entSize();
m_varDatap = varp->datap();
}
virtual ~VerilatedVpioVar() {
if (m_prevDatap) { delete [] m_prevDatap; m_prevDatap = NULL; }
}
static inline VerilatedVpioVar* castp(vpiHandle h) {
return dynamic_cast<VerilatedVpioVar*>((VerilatedVpio*)h); }
const VerilatedVar* varp() const { return m_varp; }
const VerilatedScope* scopep() const { return m_scopep; }
vluint32_t mask() const { return m_mask.u32; }
vluint8_t mask_byte(int idx) { return m_mask.u8[idx & 3]; }
vluint32_t entSize() const { return m_entSize; }
vluint32_t index() { return m_index; }
virtual vluint32_t type() const {
return (varp()->dims()>1) ? vpiMemory : vpiReg; // but might be wire, logic
}
virtual vluint32_t size() const { return get_range().elements(); }
virtual const VerilatedRange* rangep() const { return &get_range(); }
virtual const char* name() const { return m_varp->name(); }
virtual const char* fullname() const {
static VL_THREAD_LOCAL std::string out;
out = std::string(m_scopep->name())+"."+name();
return out.c_str();
}
void* prevDatap() const { return m_prevDatap; }
void* varDatap() const { return m_varDatap; }
void createPrevDatap() {
if (VL_UNLIKELY(!m_prevDatap)) {
m_prevDatap = new vluint8_t [entSize()];
memcpy(prevDatap(), varp()->datap(), entSize());
}
}
};
class VerilatedVpioMemoryWord : public VerilatedVpioVar {
public:
VerilatedVpioMemoryWord(const VerilatedVar* varp, const VerilatedScope* scopep,
vlsint32_t index, int offset)
: VerilatedVpioVar(varp, scopep) {
m_index = index;
m_varDatap = ((vluint8_t*)varp->datap()) + entSize()*offset;
}
virtual ~VerilatedVpioMemoryWord() {}
static inline VerilatedVpioMemoryWord* castp(vpiHandle h) {
return dynamic_cast<VerilatedVpioMemoryWord*>((VerilatedVpio*)h); }
virtual vluint32_t type() const { return vpiMemoryWord; }
virtual vluint32_t size() const { return varp()->packed().elements(); }
virtual const VerilatedRange* rangep() const { return &(varp()->packed()); }
virtual const char* fullname() const {
static VL_THREAD_LOCAL std::string out;
char num[20]; sprintf(num, "%d", m_index);
out = std::string(scopep()->name())+"."+name()+"["+num+"]";
return out.c_str();
}
};
class VerilatedVpioVarIter : public VerilatedVpio {
const VerilatedScope* m_scopep;
VerilatedVarNameMap::const_iterator m_it;
bool m_started;
public:
explicit VerilatedVpioVarIter(const VerilatedScope* scopep)
: m_scopep(scopep), m_started(false) { }
virtual ~VerilatedVpioVarIter() {}
static inline VerilatedVpioVarIter* castp(vpiHandle h) {
return dynamic_cast<VerilatedVpioVarIter*>((VerilatedVpio*)h); }
virtual vluint32_t type() const { return vpiIterator; }
virtual vpiHandle dovpi_scan() {
if (VL_LIKELY(m_scopep->varsp())) {
VerilatedVarNameMap* varsp = m_scopep->varsp();
if (VL_UNLIKELY(!m_started)) { m_it = varsp->begin(); m_started=true; }
else if (VL_UNLIKELY(m_it == varsp->end())) return 0;
else ++m_it;
if (m_it == varsp->end()) return 0;
return ((new VerilatedVpioVar(&(m_it->second), m_scopep))
->castVpiHandle());
}
return 0; // End of list - only one deep
}
};
class VerilatedVpioMemoryWordIter : public VerilatedVpio {
const vpiHandle m_handle;
const VerilatedVar* m_varp;
vlsint32_t m_iteration;
vlsint32_t m_direction;
bool m_done;
public:
VerilatedVpioMemoryWordIter(const vpiHandle handle, const VerilatedVar* varp)
: m_handle(handle), m_varp(varp), m_iteration(varp->unpacked().right()),
m_direction(VL_LIKELY(varp->unpacked().left() > varp->unpacked().right())
? 1 : -1),
m_done(false) { }
virtual ~VerilatedVpioMemoryWordIter() {}
static inline VerilatedVpioMemoryWordIter* castp(vpiHandle h) {
return dynamic_cast<VerilatedVpioMemoryWordIter*>((VerilatedVpio*)h); }
virtual vluint32_t type() const { return vpiIterator; }
void iterationInc() {
if (!(m_done = (m_iteration == m_varp->unpacked().left()))) {
m_iteration += m_direction;
}
}
virtual vpiHandle dovpi_scan() {
vpiHandle result;
if (m_done) return 0;
result = vpi_handle_by_index(m_handle, m_iteration);
iterationInc();
return result;
}
};
class VerilatedVpioModule : public VerilatedVpioScope {
const char* m_name;
const char* m_fullname;
public:
explicit VerilatedVpioModule(const VerilatedScope* modulep)
: VerilatedVpioScope(modulep) {
m_fullname = m_scopep->name();
if (strncmp(m_fullname, "TOP.", 4) == 0) m_fullname += 4;
m_name = m_scopep->identifier();
}
static inline VerilatedVpioModule* castp(vpiHandle h) {
return dynamic_cast<VerilatedVpioModule*>((VerilatedVpio*)h); }
virtual vluint32_t type() const { return vpiModule; }
virtual const char* name() const { return m_name; }
virtual const char* fullname() const { return m_fullname; }
};
class VerilatedVpioModuleIter : public VerilatedVpio {
const std::vector<const VerilatedScope*> *m_vec;
std::vector<const VerilatedScope*>::const_iterator m_it;
public:
explicit VerilatedVpioModuleIter(const std::vector<const VerilatedScope*>& vec) : m_vec(&vec) {
m_it = m_vec->begin();
}
virtual ~VerilatedVpioModuleIter() {}
static inline VerilatedVpioModuleIter* castp(vpiHandle h) {
return dynamic_cast<VerilatedVpioModuleIter*>((VerilatedVpio*) h); }
virtual vluint32_t type() const { return vpiIterator; }
virtual vpiHandle dovpi_scan() {
if (m_it == m_vec->end()) {
return 0;
}
const VerilatedScope* modp = *m_it++;
return (new VerilatedVpioModule(modp))->castVpiHandle();
}
};
//======================================================================
struct VerilatedVpiTimedCbsCmp {
/// Ordering sets keyed by time, then callback descriptor
bool operator()(const std::pair<QData,VerilatedVpioCb*>& a,
const std::pair<QData,VerilatedVpioCb*>& b) const {
if (a.first < b.first) return 1;
if (a.first > b.first) return 0;
return a.second < b.second;
}
};
class VerilatedVpiError;
class VerilatedVpiImp {
enum { CB_ENUM_MAX_VALUE = cbAtEndOfSimTime+1 }; // Maxium callback reason
typedef std::list<VerilatedVpioCb*> VpioCbList;
typedef std::set<std::pair<QData,VerilatedVpioCb*>,VerilatedVpiTimedCbsCmp > VpioTimedCbs;
struct product_info {
PLI_BYTE8* product;
};
VpioCbList m_cbObjLists[CB_ENUM_MAX_VALUE]; // Callbacks for each supported reason
VpioTimedCbs m_timedCbs; // Time based callbacks
VerilatedVpiError* m_errorInfop; // Container for vpi error info
VerilatedAssertOneThread m_assertOne; ///< Assert only called from single thread
static VerilatedVpiImp s_s; // Singleton
public:
VerilatedVpiImp() { m_errorInfop=NULL; }
~VerilatedVpiImp() {}
static void assertOneCheck() { s_s.m_assertOne.check(); }
static void cbReasonAdd(VerilatedVpioCb* vop) {
if (vop->reason() == cbValueChange) {
if (VerilatedVpioVar* varop = VerilatedVpioVar::castp(vop->cb_datap()->obj)) {
varop->createPrevDatap();
}
}
if (VL_UNCOVERABLE(vop->reason() >= CB_ENUM_MAX_VALUE)) {
VL_FATAL_MT(__FILE__, __LINE__, "", "vpi bb reason too large");
}
s_s.m_cbObjLists[vop->reason()].push_back(vop);
}
static void cbTimedAdd(VerilatedVpioCb* vop) {
s_s.m_timedCbs.insert(std::make_pair(vop->time(), vop));
}
static void cbReasonRemove(VerilatedVpioCb* cbp) {
VpioCbList& cbObjList = s_s.m_cbObjLists[cbp->reason()];
// We do not remove it now as we may be iterating the list,
// instead set to NULL and will cleanup later
for (VpioCbList::iterator it=cbObjList.begin(); it!=cbObjList.end(); ++it) {
if (*it == cbp) *it = NULL;
}
}
static void cbTimedRemove(VerilatedVpioCb* cbp) {
VpioTimedCbs::iterator it=s_s.m_timedCbs.find(std::make_pair(cbp->time(), cbp));
if (VL_LIKELY(it != s_s.m_timedCbs.end())) {
s_s.m_timedCbs.erase(it);
}
}
static void callTimedCbs() VL_MT_UNSAFE_ONE {
assertOneCheck();
QData time = VL_TIME_Q();
for (VpioTimedCbs::iterator it=s_s.m_timedCbs.begin(); it!=s_s.m_timedCbs.end(); ) {
if (VL_UNLIKELY(it->first <= time)) {
VerilatedVpioCb* vop = it->second;
++it; // iterator may be deleted by callback
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: timed_callback %p\n", vop););
(vop->cb_rtnp()) (vop->cb_datap());
}
else { ++it; }
}
}
static QData cbNextDeadline() {
VpioTimedCbs::const_iterator it=s_s.m_timedCbs.begin();
if (VL_LIKELY(it != s_s.m_timedCbs.end())) {
return it->first;
}
return ~VL_ULL(0); // maxquad
}
static bool callCbs(vluint32_t reason) VL_MT_UNSAFE_ONE {
VpioCbList& cbObjList = s_s.m_cbObjLists[reason];
bool called = false;
for (VpioCbList::iterator it=cbObjList.begin(); it!=cbObjList.end();) {
if (VL_UNLIKELY(!*it)) { // Deleted earlier, cleanup
it = cbObjList.erase(it);
continue;
}
VerilatedVpioCb* vop = *it++;
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: reason_callback %d %p\n", reason, vop););
(vop->cb_rtnp()) (vop->cb_datap());
called = true;
}
return called;
}
static void callValueCbs() VL_MT_UNSAFE_ONE {
assertOneCheck();
VpioCbList& cbObjList = s_s.m_cbObjLists[cbValueChange];
typedef std::set<VerilatedVpioVar*> VpioVarSet;
VpioVarSet update; // set of objects to update after callbacks
for (VpioCbList::iterator it=cbObjList.begin(); it!=cbObjList.end();) {
if (VL_UNLIKELY(!*it)) { // Deleted earlier, cleanup
it = cbObjList.erase(it);
continue;
}
VerilatedVpioCb* vop = *it++;
if (VerilatedVpioVar* varop = VerilatedVpioVar::castp(vop->cb_datap()->obj)) {
void* newDatap = varop->varDatap();
void* prevDatap = varop->prevDatap(); // Was malloced when we added the callback
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: value_test %s v[0]=%d/%d %p %p\n",
varop->fullname(),
*((CData*)newDatap), *((CData*)prevDatap),
newDatap, prevDatap););
if (memcmp(prevDatap, newDatap, varop->entSize())) {
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: value_callback %p %s v[0]=%d\n",
vop, varop->fullname(), *((CData*)newDatap)););
update.insert(varop);
vpi_get_value(vop->cb_datap()->obj, vop->cb_datap()->value);
(vop->cb_rtnp()) (vop->cb_datap());
}
}
}
for (VpioVarSet::const_iterator it=update.begin(); it!=update.end(); ++it) {
memcpy((*it)->prevDatap(), (*it)->varDatap(), (*it)->entSize());
}
}
static VerilatedVpiError* error_info() VL_MT_UNSAFE_ONE; // getter for vpi error info
};
class VerilatedVpiError {
//// Container for vpi error info
t_vpi_error_info m_errorInfo;
bool m_flag;
char m_buff[VL_VPI_LINE_SIZE];
void setError(PLI_BYTE8 *message, PLI_BYTE8 *code, PLI_BYTE8 *file, PLI_INT32 line) {
m_errorInfo.message = message;
m_errorInfo.file = file;
m_errorInfo.line = line;
m_errorInfo.code = code;
do_callbacks();
}
void do_callbacks() {
if (getError()->level >= vpiError && Verilated::fatalOnVpiError()) {
// Stop on vpi error/unsupported
vpi_unsupported();
}
// We need to run above code first because in the case that the
// callback executes further vpi functions we will loose the error
// as it will be overwritten.
VerilatedVpiImp::callCbs(cbPLIError);
}
public:
VerilatedVpiError() : m_flag(false) {
m_buff[0] = '\0';
m_errorInfo.product = (PLI_BYTE8*)Verilated::productName();
}
~VerilatedVpiError() {}
static void selfTest() VL_MT_UNSAFE_ONE;
VerilatedVpiError* setMessage(PLI_INT32 level) {
m_flag = true;
m_errorInfo.level = level;
return this;
}
void setMessage(std::string file, PLI_INT32 line, const char* message, ...) {
// message cannot be a const string& as va_start cannot use a reference
static VL_THREAD_LOCAL std::string filehold;
va_list args;
va_start(args, message);
VL_VSNPRINTF(m_buff, sizeof(m_buff), message, args);
va_end(args);
m_errorInfo.state = vpiPLI;
filehold = file;
setError((PLI_BYTE8*)m_buff, NULL, (PLI_BYTE8*)filehold.c_str(), line);
}
p_vpi_error_info getError() {
if (m_flag) return &m_errorInfo;
return NULL;
}
void resetError() { m_flag = false; }
static void vpi_unsupported() {
// Not supported yet
p_vpi_error_info error_info_p = VerilatedVpiImp::error_info()->getError();
if (error_info_p) {
VL_FATAL_MT(error_info_p->file, error_info_p->line, "", error_info_p->message);
return;
}
VL_FATAL_MT(__FILE__, __LINE__, "", "vpi_unsupported called without error info set");
}
static const char* strFromVpiVal(PLI_INT32 vpiVal) VL_MT_SAFE;
static const char* strFromVpiObjType(PLI_INT32 vpiVal) VL_MT_SAFE;
static const char* strFromVpiMethod(PLI_INT32 vpiVal) VL_MT_SAFE;
static const char* strFromVpiCallbackReason(PLI_INT32 vpiVal) VL_MT_SAFE;
static const char* strFromVpiProp(PLI_INT32 vpiVal) VL_MT_SAFE;
};
//======================================================================
VerilatedVpiImp VerilatedVpiImp::s_s; // Singleton
VL_THREAD_LOCAL vluint8_t* VerilatedVpio::t_freeHead = NULL;
//======================================================================
// VerilatedVpi implementation
void VerilatedVpi::callTimedCbs() VL_MT_UNSAFE_ONE {
VerilatedVpiImp::callTimedCbs();
}
void VerilatedVpi::callValueCbs() VL_MT_UNSAFE_ONE {
VerilatedVpiImp::callValueCbs();
}
bool VerilatedVpi::callCbs(vluint32_t reason) VL_MT_UNSAFE_ONE {
return VerilatedVpiImp::callCbs(reason);
}
//======================================================================
// VerilatedVpiImp implementation
VerilatedVpiError* VerilatedVpiImp::error_info() VL_MT_UNSAFE_ONE {
VerilatedVpiImp::assertOneCheck();
if (VL_UNLIKELY(!s_s.m_errorInfop)) {
s_s.m_errorInfop = new VerilatedVpiError();
}
return s_s.m_errorInfop;
}
//======================================================================
// VerilatedVpiError Methods
const char* VerilatedVpiError::strFromVpiVal(PLI_INT32 vpiVal) VL_MT_SAFE {
static const char* const names[] = {
"*undefined*",
"vpiBinStrVal",
"vpiOctStrVal",
"vpiDecStrVal",
"vpiHexStrVal",
"vpiScalarVal",
"vpiIntVal",
"vpiRealVal",
"vpiStringVal",
"vpiVectorVal",
"vpiStrengthVal",
"vpiTimeVal",
"vpiObjTypeVal",
"vpiSuppressVal",
"vpiShortIntVal",
"vpiLongIntVal",
"vpiShortRealVal",
"vpiRawTwoStateVal",
"vpiRawFourStateVal",
};
if (vpiVal < 0) return names[0];
return names[(vpiVal<=vpiRawFourStateVal) ? vpiVal : 0];
}
const char* VerilatedVpiError::strFromVpiObjType(PLI_INT32 vpiVal) VL_MT_SAFE {
static const char* const names[] = {
"*undefined*",
"vpiAlways",
"vpiAssignStmt",
"vpiAssignment",
"vpiBegin",
"vpiCase",
"vpiCaseItem",
"vpiConstant",
"vpiContAssign",
"vpiDeassign",
"vpiDefParam",
"vpiDelayControl",
"vpiDisable",
"vpiEventControl",
"vpiEventStmt",
"vpiFor",
"vpiForce",
"vpiForever",
"vpiFork",
"vpiFuncCall",
"vpiFunction",
"vpiGate",
"vpiIf",
"vpiIfElse",
"vpiInitial",
"vpiIntegerVar",
"vpiInterModPath",
"vpiIterator",
"vpiIODecl",
"vpiMemory",
"vpiMemoryWord",
"vpiModPath",
"vpiModule",
"vpiNamedBegin",
"vpiNamedEvent",
"vpiNamedFork",
"vpiNet",
"vpiNetBit",
"vpiNullStmt",
"vpiOperation",
"vpiParamAssign",
"vpiParameter",
"vpiPartSelect",
"vpiPathTerm",
"vpiPort",
"vpiPortBit",
"vpiPrimTerm",
"vpiRealVar",
"vpiReg",
"vpiRegBit",
"vpiRelease",
"vpiRepeat",
"vpiRepeatControl",
"vpiSchedEvent",
"vpiSpecParam",
"vpiSwitch",
"vpiSysFuncCall",
"vpiSysTaskCall",
"vpiTableEntry",
"vpiTask",
"vpiTaskCall",
"vpiTchk",
"vpiTchkTerm",
"vpiTimeVar",
"vpiTimeQueue",
"vpiUdp",
"vpiUdpDefn",
"vpiUserSystf",
"vpiVarSelect",
"vpiWait",
"vpiWhile",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"vpiAttribute",
"vpiBitSelect",
"vpiCallback",
"vpiDelayTerm",
"vpiDelayDevice",
"vpiFrame",
"vpiGateArray",
"vpiModuleArray",
"vpiPrimitiveArray",
"vpiNetArray",
"vpiRange",
"vpiRegArray",
"vpiSwitchArray",
"vpiUdpArray",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"*undefined*",
"vpiContAssignBit",
"vpiNamedEventArray",
"vpiIndexedPartSelect",
"*undefined*",
"*undefined*",
"vpiGenScopeArray",
"vpiGenScope",
"vpiGenVar"
};
if (vpiVal < 0) return names[0];
return names[(vpiVal<=vpiGenVar) ? vpiVal : 0];
}
const char* VerilatedVpiError::strFromVpiMethod(PLI_INT32 vpiVal) VL_MT_SAFE {
static const char* const names[] = {
"vpiCondition",
"vpiDelay",
"vpiElseStmt",
"vpiForIncStmt",
"vpiForInitStmt",
"vpiHighConn",
"vpiLhs",
"vpiIndex",
"vpiLeftRange",
"vpiLowConn",
"vpiParent",
"vpiRhs",
"vpiRightRange",
"vpiScope",
"vpiSysTfCall",
"vpiTchkDataTerm",
"vpiTchkNotifier",
"vpiTchkRefTerm",
"vpiArgument",
"vpiBit",
"vpiDriver",
"vpiInternalScope",
"vpiLoad",
"vpiModDataPathIn",
"vpiModPathIn",
"vpiModPathOut",
"vpiOperand",
"vpiPortInst",
"vpiProcess",
"vpiVariables",
"vpiUse",
"vpiExpr",
"vpiPrimitive",
"vpiStmt"
};
if (vpiVal>vpiStmt || vpiVal<vpiCondition) {
return "*undefined*";
}
return names[vpiVal-vpiCondition];
}
const char* VerilatedVpiError::strFromVpiCallbackReason(PLI_INT32 vpiVal) VL_MT_SAFE {
static const char* const names[] = {
"*undefined*",
"cbValueChange",
"cbStmt",
"cbForce",
"cbRelease",
"cbAtStartOfSimTime",
"cbReadWriteSynch",
"cbReadOnlySynch",
"cbNextSimTime",
"cbAfterDelay",
"cbEndOfCompile",
"cbStartOfSimulation",
"cbEndOfSimulation",
"cbError",
"cbTchkViolation",
"cbStartOfSave",
"cbEndOfSave",
"cbStartOfRestart",
"cbEndOfRestart",
"cbStartOfReset",
"cbEndOfReset",
"cbEnterInteractive",
"cbExitInteractive",
"cbInteractiveScopeChange",
"cbUnresolvedSystf",
"cbAssign",
"cbDeassign",
"cbDisable",
"cbPLIError",
"cbSignal",
"cbNBASynch",
"cbAtEndOfSimTime"
};
if (vpiVal < 0) return names[0];
return names[(vpiVal<=cbAtEndOfSimTime) ? vpiVal : 0];
}
const char* VerilatedVpiError::strFromVpiProp(PLI_INT32 vpiVal) VL_MT_SAFE {
static const char* const names[] = {
"*undefined or other*",
"vpiType",
"vpiName",
"vpiFullName",
"vpiSize",
"vpiFile",
"vpiLineNo",
"vpiTopModule",
"vpiCellInstance",
"vpiDefName",
"vpiProtected",
"vpiTimeUnit",
"vpiTimePrecision",
"vpiDefNetType",
"vpiUnconnDrive",
"vpiDefFile",
"vpiDefLineNo",
"vpiScalar",
"vpiVector",
"vpiExplicitName",
"vpiDirection",
"vpiConnByName",
"vpiNetType",
"vpiExplicitScalared",
"vpiExplicitVectored",
"vpiExpanded",
"vpiImplicitDecl",
"vpiChargeStrength",
"vpiArray",
"vpiPortIndex",
"vpiTermIndex",
"vpiStrength0",
"vpiStrength1",
"vpiPrimType",
"vpiPolarity",
"vpiDataPolarity",
"vpiEdge",
"vpiPathType",
"vpiTchkType",
"vpiOpType",
"vpiConstType",
"vpiBlocking",
"vpiCaseType",
"vpiFuncType",
"vpiNetDeclAssign",
"vpiUserDefn",
"vpiScheduled",
"*undefined*",
"*undefined*",
"vpiActive",
"vpiAutomatic",
"vpiCell",
"vpiConfig",
"vpiConstantSelect",
"vpiDecompile",
"vpiDefAttribute",
"vpiDelayType",
"vpiIteratorType",
"vpiLibrary",
"*undefined*",
"vpiOffset",
"vpiResolvedNetType",
"vpiSaveRestartID",
"vpiSaveRestartLocation",
"vpiValid",
"vpiSigned",
"vpiStop",
"vpiFinish",
"vpiReset",
"vpiSetInteractiveScope",
"vpiLocalParam",
"vpiModPathHasIfNone",
"vpiIndexedPartSelectType",
"vpiIsMemory",
"vpiIsProtected"
};
if (vpiVal == vpiUndefined) {
return "vpiUndefined";
}
return names[(vpiVal<=vpiIsProtected) ? vpiVal : 0];
}
#define CHECK_RESULT_CSTR(got, exp) \
if (strcmp((got), (exp))) { \
std::string msg = std::string("%Error: ") \
+ "GOT = '"+((got)?(got):"<null>")+"'" \
+ " EXP = '"+((exp)?(exp):"<null>")+"'"; \
VL_FATAL_MT(__FILE__, __LINE__, "", msg.c_str()); \
}
#define CHECK_ENUM_STR(fn, enum) \
do { \
const char* strVal = VerilatedVpiError::fn(enum); \
CHECK_RESULT_CSTR(strVal, #enum); \
} while (0)
void VerilatedVpi::selfTest() VL_MT_UNSAFE_ONE {
VerilatedVpiError::selfTest();
}
void VerilatedVpiError::selfTest() VL_MT_UNSAFE_ONE {
VerilatedVpiImp::assertOneCheck();
CHECK_ENUM_STR(strFromVpiVal, vpiBinStrVal);
CHECK_ENUM_STR(strFromVpiVal, vpiRawFourStateVal);
CHECK_ENUM_STR(strFromVpiObjType, vpiAlways);
CHECK_ENUM_STR(strFromVpiObjType, vpiWhile);
CHECK_ENUM_STR(strFromVpiObjType, vpiAttribute);
CHECK_ENUM_STR(strFromVpiObjType, vpiUdpArray);
CHECK_ENUM_STR(strFromVpiObjType, vpiContAssignBit);
CHECK_ENUM_STR(strFromVpiObjType, vpiGenVar);
CHECK_ENUM_STR(strFromVpiMethod, vpiCondition);
CHECK_ENUM_STR(strFromVpiMethod, vpiStmt);
CHECK_ENUM_STR(strFromVpiCallbackReason, cbValueChange);
CHECK_ENUM_STR(strFromVpiCallbackReason, cbAtEndOfSimTime);
CHECK_ENUM_STR(strFromVpiProp, vpiType);
CHECK_ENUM_STR(strFromVpiProp, vpiProtected);
CHECK_ENUM_STR(strFromVpiProp, vpiDirection);
CHECK_ENUM_STR(strFromVpiProp, vpiTermIndex);
CHECK_ENUM_STR(strFromVpiProp, vpiConstType);
CHECK_ENUM_STR(strFromVpiProp, vpiAutomatic);
CHECK_ENUM_STR(strFromVpiProp, vpiOffset);
CHECK_ENUM_STR(strFromVpiProp, vpiStop);
CHECK_ENUM_STR(strFromVpiProp, vpiIsProtected);
}
#undef CHECK_ENUM_STR
#undef CHECK_RESULT_CSTR
//======================================================================
// callback related
vpiHandle vpi_register_cb(p_cb_data cb_data_p) {
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
// cppcheck-suppress nullPointer
if (VL_UNLIKELY(!cb_data_p)) {
_VL_VPI_WARNING(__FILE__, __LINE__, "%s : callback data pointer is null", VL_FUNC);
return NULL;
}
switch (cb_data_p->reason) {
case cbAfterDelay: {
QData time = 0;
if (cb_data_p->time) time = _VL_SET_QII(cb_data_p->time->high, cb_data_p->time->low);
VerilatedVpioCb* vop = new VerilatedVpioCb(cb_data_p, VL_TIME_Q()+time);
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_register_cb %d %p delay=%" VL_PRI64 "u\n",
cb_data_p->reason, vop, time););
VerilatedVpiImp::cbTimedAdd(vop);
return vop->castVpiHandle();
}
case cbReadWriteSynch: // FALLTHRU // Supported via vlt_main.cpp
case cbReadOnlySynch: // FALLTHRU // Supported via vlt_main.cpp
case cbNextSimTime: // FALLTHRU // Supported via vlt_main.cpp
case cbStartOfSimulation: // FALLTHRU // Supported via vlt_main.cpp
case cbEndOfSimulation: // FALLTHRU // Supported via vlt_main.cpp
case cbValueChange: // FALLTHRU // Supported via vlt_main.cpp
case cbPLIError: // FALLTHRU // NOP, but need to return handle, so make object
case cbEnterInteractive: // FALLTHRU // NOP, but need to return handle, so make object
case cbExitInteractive: // FALLTHRU // NOP, but need to return handle, so make object
case cbInteractiveScopeChange: { // FALLTHRU // NOP, but need to return handle, so make object
VerilatedVpioCb* vop = new VerilatedVpioCb(cb_data_p, 0);
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_register_cb %d %p\n", cb_data_p->reason, vop););
VerilatedVpiImp::cbReasonAdd(vop);
return vop->castVpiHandle();
}
default:
_VL_VPI_WARNING(__FILE__, __LINE__, "%s: Unsupported callback type %s",
VL_FUNC, VerilatedVpiError::strFromVpiCallbackReason(cb_data_p->reason));
return NULL;
};
}
PLI_INT32 vpi_remove_cb(vpiHandle object) {
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_remove_cb %p\n", object););
VerilatedVpiImp::assertOneCheck();
VerilatedVpioCb* vop = VerilatedVpioCb::castp(object);
_VL_VPI_ERROR_RESET();
if (VL_UNLIKELY(!vop)) return 0;
if (vop->cb_datap()->reason == cbAfterDelay) {
VerilatedVpiImp::cbTimedRemove(vop);
} else {
VerilatedVpiImp::cbReasonRemove(vop);
}
return 1;
}
void vpi_get_cb_info(vpiHandle object, p_cb_data cb_data_p) {
_VL_VPI_UNIMP(); return;
}
vpiHandle vpi_register_systf(p_vpi_systf_data systf_data_p) {
_VL_VPI_UNIMP(); return 0;
}
void vpi_get_systf_info(vpiHandle object, p_vpi_systf_data systf_data_p) {
_VL_VPI_UNIMP(); return;
}
// for obtaining handles
vpiHandle vpi_handle_by_name(PLI_BYTE8* namep, vpiHandle scope) {
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
if (VL_UNLIKELY(!namep)) return NULL;
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_handle_by_name %s %p\n", namep, scope););
const VerilatedVar* varp = NULL;
const VerilatedScope* scopep;
VerilatedVpioScope* voScopep = VerilatedVpioScope::castp(scope);
std::string scopeAndName = namep;
if (voScopep) {
scopeAndName = std::string(voScopep->fullname()) + "." + namep;
namep = (PLI_BYTE8*)scopeAndName.c_str();
}
{
// This doesn't yet follow the hierarchy in the proper way
scopep = Verilated::scopeFind(namep);
if (scopep) { // Whole thing found as a scope
if (scopep->type() == VerilatedScope::SCOPE_MODULE) {
return (new VerilatedVpioModule(scopep))->castVpiHandle();
} else {
return (new VerilatedVpioScope(scopep))->castVpiHandle();
}
}
const char* baseNamep = scopeAndName.c_str();
std::string scopename;
const char* dotp = strrchr(namep, '.');
if (VL_LIKELY(dotp)) {
baseNamep = dotp+1;
scopename = std::string(namep, dotp-namep);
}
if (scopename.find(".") == std::string::npos) {
// This is a toplevel, hence search in our TOP ports first.
scopep = Verilated::scopeFind("TOP");
if (scopep) {
varp = scopep->varFind(baseNamep);
}
}
if (!varp) {
scopep = Verilated::scopeFind(scopename.c_str());
if (!scopep) return NULL;
varp = scopep->varFind(baseNamep);
}
}
if (!varp) return NULL;
return (new VerilatedVpioVar(varp, scopep))->castVpiHandle();
}
vpiHandle vpi_handle_by_index(vpiHandle object, PLI_INT32 indx) {
// Used to get array entries
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_handle_by_index %p %d\n", object, indx););
VerilatedVpiImp::assertOneCheck();
VerilatedVpioVar* varop = VerilatedVpioVar::castp(object);
_VL_VPI_ERROR_RESET();
if (VL_LIKELY(varop)) {
if (varop->varp()->dims()<2) return 0;
if (VL_LIKELY(varop->varp()->unpacked().left() >= varop->varp()->unpacked().right())) {
if (VL_UNLIKELY(indx > varop->varp()->unpacked().left()
|| indx < varop->varp()->unpacked().right())) return 0;
return (new VerilatedVpioMemoryWord(varop->varp(), varop->scopep(), indx,
indx - varop->varp()->unpacked().right()))
->castVpiHandle();
}
if (VL_UNLIKELY(indx < varop->varp()->unpacked().left()
|| indx > varop->varp()->unpacked().right())) return 0;
return (new VerilatedVpioMemoryWord(varop->varp(), varop->scopep(), indx,
indx - varop->varp()->unpacked().left()))
->castVpiHandle();
}
_VL_VPI_INTERNAL(__FILE__, __LINE__, "%s : can't resolve handle", VL_FUNC);
return 0;
}
// for traversing relationships
vpiHandle vpi_handle(PLI_INT32 type, vpiHandle object) {
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_handle %d %p\n", type, object););
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
switch (type) {
case vpiLeftRange: {
VerilatedVpioVar* vop = VerilatedVpioVar::castp(object);
if (VL_UNLIKELY(!vop)) return 0;
if (VL_UNLIKELY(!vop->rangep())) return 0;
return (new VerilatedVpioConst(vop->rangep()->left()))->castVpiHandle();
}
case vpiRightRange: {
VerilatedVpioVar* vop = VerilatedVpioVar::castp(object);
if (VL_UNLIKELY(!vop)) return 0;
if (VL_UNLIKELY(!vop->rangep())) return 0;
return (new VerilatedVpioConst(vop->rangep()->right()))->castVpiHandle();
}
case vpiIndex: {
VerilatedVpioVar* vop = VerilatedVpioVar::castp(object);
if (VL_UNLIKELY(!vop)) return 0;
return (new VerilatedVpioConst(vop->index()))->castVpiHandle();
}
case vpiScope: {
VerilatedVpioVar* vop = VerilatedVpioVar::castp(object);
if (VL_UNLIKELY(!vop)) return 0;
return (new VerilatedVpioScope(vop->scopep()))->castVpiHandle();
}
case vpiParent: {
VerilatedVpioMemoryWord* vop = VerilatedVpioMemoryWord::castp(object);
if (VL_UNLIKELY(!vop)) return 0;
return (new VerilatedVpioVar(vop->varp(), vop->scopep()))->castVpiHandle();
}
default:
_VL_VPI_WARNING(__FILE__, __LINE__, "%s: Unsupported type %s, nothing will be returned",
VL_FUNC, VerilatedVpiError::strFromVpiMethod(type));
return 0;
}
}
vpiHandle vpi_handle_multi(PLI_INT32 type, vpiHandle refHandle1, vpiHandle refHandle2, ... ) {
_VL_VPI_UNIMP(); return 0;
}
vpiHandle vpi_iterate(PLI_INT32 type, vpiHandle object) {
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_iterate %d %p\n", type, object););
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
switch (type) {
case vpiMemoryWord: {
VerilatedVpioVar* vop = VerilatedVpioVar::castp(object);
if (VL_UNLIKELY(!vop)) return 0;
if (vop->varp()->dims() < 2) return 0;
if (vop->varp()->dims() > 2) {
_VL_VPI_WARNING(__FILE__, __LINE__,
"%s: %s, object %s has unsupported number of indices (%d)",
VL_FUNC, VerilatedVpiError::strFromVpiMethod(type),
vop->fullname() , vop->varp()->dims());
}
return (new VerilatedVpioMemoryWordIter(object, vop->varp()))->castVpiHandle();
}
case vpiRange: {
VerilatedVpioVar* vop = VerilatedVpioVar::castp(object);
if (VL_UNLIKELY(!vop)) return 0;
if (vop->varp()->dims() < 2) return 0;
// Unsupported is multidim list
if (vop->varp()->dims() > 2) {
_VL_VPI_WARNING(__FILE__, __LINE__,
"%s: %s, object %s has unsupported number of indices (%d)",
VL_FUNC, VerilatedVpiError::strFromVpiMethod(type),
vop->fullname() , vop->varp()->dims());
}
return ((new VerilatedVpioRange(vop->rangep()))->castVpiHandle());
}
case vpiReg: {
VerilatedVpioScope* vop = VerilatedVpioScope::castp(object);
if (VL_UNLIKELY(!vop)) return 0;
return ((new VerilatedVpioVarIter(vop->scopep()))
->castVpiHandle());
}
case vpiModule: {
VerilatedVpioModule* vop = VerilatedVpioModule::castp(object);
const VerilatedHierarchyMap* map = VerilatedImp::hierarchyMap();
const VerilatedScope *mod = vop ? vop->scopep() : NULL;
VerilatedHierarchyMap::const_iterator it = map->find((VerilatedScope*) mod);
if (it == map->end()) return 0;
return ((new VerilatedVpioModuleIter(it->second))->castVpiHandle());
}
default:
_VL_VPI_WARNING(__FILE__, __LINE__, "%s: Unsupported type %s, nothing will be returned",
VL_FUNC, VerilatedVpiError::strFromVpiObjType(type));
return 0;
}
}
vpiHandle vpi_scan(vpiHandle object) {
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_scan %p\n", object););
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
VerilatedVpio* vop = VerilatedVpio::castp(object);
if (VL_UNLIKELY(!vop)) return NULL;
return vop->dovpi_scan();
}
// for processing properties
PLI_INT32 vpi_get(PLI_INT32 property, vpiHandle object) {
// Leave this in the header file - in many cases the compiler can constant propagate "object"
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_get %d %p\n", property, object););
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
switch (property) {
case vpiTimePrecision: {
return VL_TIME_PRECISION;
}
case vpiType: {
VerilatedVpio* vop = VerilatedVpio::castp(object);
if (VL_UNLIKELY(!vop)) return 0;
return vop->type();
}
case vpiDirection: {
// By forthought, the directions already are vpi enumerated
VerilatedVpioVar* vop = VerilatedVpioVar::castp(object);
if (VL_UNLIKELY(!vop)) return 0;
return vop->varp()->vldir();
}
case vpiScalar: // FALLTHRU
case vpiVector: {
VerilatedVpioVar* vop = VerilatedVpioVar::castp(object);
if (VL_UNLIKELY(!vop)) return 0;
return (property==vpiVector) ^ (vop->varp()->dims()==0);
}
case vpiSize: {
VerilatedVpioVar* vop = VerilatedVpioVar::castp(object);
if (VL_UNLIKELY(!vop)) return 0;
return vop->size();
}
default:
_VL_VPI_WARNING(__FILE__, __LINE__, "%s: Unsupported type %s, nothing will be returned",
VL_FUNC, VerilatedVpiError::strFromVpiProp(property));
return 0;
}
}
PLI_INT64 vpi_get64(PLI_INT32 property, vpiHandle object) {
_VL_VPI_UNIMP();
return 0;
}
PLI_BYTE8 *vpi_get_str(PLI_INT32 property, vpiHandle object) {
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_get_str %d %p\n", property, object););
VerilatedVpiImp::assertOneCheck();
VerilatedVpio* vop = VerilatedVpio::castp(object);
_VL_VPI_ERROR_RESET();
if (VL_UNLIKELY(!vop)) return NULL;
switch (property) {
case vpiName: {
return (PLI_BYTE8*)vop->name();
}
case vpiFullName: {
return (PLI_BYTE8*)vop->fullname();
}
case vpiDefName: {
return (PLI_BYTE8*)vop->defname();
}
case vpiType: {
return (PLI_BYTE8*) VerilatedVpiError::strFromVpiObjType(vop->type());
}
default:
_VL_VPI_WARNING(__FILE__, __LINE__, "%s: Unsupported type %s, nothing will be returned",
VL_FUNC, VerilatedVpiError::strFromVpiProp(property));
return 0;
}
}
// delay processing
void vpi_get_delays(vpiHandle object, p_vpi_delay delay_p) {
_VL_VPI_UNIMP();
return;
}
void vpi_put_delays(vpiHandle object, p_vpi_delay delay_p) {
_VL_VPI_UNIMP();
return;
}
// value processing
void vpi_get_value(vpiHandle object, p_vpi_value value_p) {
// Maximum required size is for binary string, one byte per bit plus null termination
static VL_THREAD_LOCAL char outStr[1+VL_MULS_MAX_WORDS*32];
// cppcheck-suppress variableScope
static VL_THREAD_LOCAL int outStrSz = sizeof(outStr)-1;
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_get_value %p\n", object););
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
if (VL_UNLIKELY(!value_p)) return;
if (VerilatedVpioVar* vop = VerilatedVpioVar::castp(object)) {
// We used to presume vpiValue.format = vpiIntVal or if single bit vpiScalarVal
// This may cause backward compatability issues with older code.
if (value_p->format == vpiVectorVal) {
// Vector pointer must come from our memory pool
// It only needs to persist until the next vpi_get_value
static VL_THREAD_LOCAL t_vpi_vecval out[VL_MULS_MAX_WORDS*2];
value_p->value.vector = out;
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
out[0].aval = *(reinterpret_cast<CData*>(vop->varDatap()));
out[0].bval = 0;
return;
case VLVT_UINT16:
out[0].aval = *(reinterpret_cast<SData*>(vop->varDatap()));
out[0].bval = 0;
return;
case VLVT_UINT32:
out[0].aval = *(reinterpret_cast<IData*>(vop->varDatap()));
out[0].bval = 0;
return;
case VLVT_WDATA: {
int words = VL_WORDS_I(vop->varp()->packed().elements());
if (VL_UNCOVERABLE(words >= VL_MULS_MAX_WORDS)) {
VL_FATAL_MT(__FILE__, __LINE__, "",
"vpi_get_value with more than VL_MULS_MAX_WORDS; increase and recompile");
}
WDataInP datap = (reinterpret_cast<IData*>(vop->varDatap()));
for (int i=0; i<words; ++i) {
out[i].aval = datap[i];
out[i].bval = 0;
}
return;
}
case VLVT_UINT64: {
QData data = *(reinterpret_cast<QData*>(vop->varDatap()));
out[1].aval = static_cast<IData>(data>>VL_ULL(32));
out[1].bval = 0;
out[0].aval = static_cast<IData>(data);
out[0].bval = 0;
return;
}
default: {
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
return;
}
}
} else if (value_p->format == vpiBinStrVal) {
value_p->value.str = outStr;
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
case VLVT_UINT16:
case VLVT_UINT32:
case VLVT_UINT64:
case VLVT_WDATA: {
int bits = vop->varp()->packed().elements();
CData* datap = (reinterpret_cast<CData*>(vop->varDatap()));
int i;
if (bits > outStrSz) {
// limit maximum size of output to size of buffer to prevent overrun.
bits = outStrSz;
_VL_VPI_WARNING(__FILE__, __LINE__, "%s: Truncating string value of %s for %s"
" as buffer size (%d, VL_MULS_MAX_WORDS=%d) is less than required (%d)",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname(), outStrSz, VL_MULS_MAX_WORDS, bits);
}
for (i=0; i<bits; ++i) {
char val = (datap[i>>3]>>(i&7))&1;
outStr[bits-i-1] = val?'1':'0';
}
outStr[i] = '\0';
return;
}
default:
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
return;
}
} else if (value_p->format == vpiOctStrVal) {
value_p->value.str = outStr;
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
case VLVT_UINT16:
case VLVT_UINT32:
case VLVT_UINT64:
case VLVT_WDATA: {
int chars = (vop->varp()->packed().elements()+2)/3;
int bytes = VL_BYTES_I(vop->varp()->packed().elements());
CData* datap = (reinterpret_cast<CData*>(vop->varDatap()));
int i;
if (chars > outStrSz) {
// limit maximum size of output to size of buffer to prevent overrun.
_VL_VPI_WARNING(__FILE__, __LINE__, "%s: Truncating string value of %s for %s"
" as buffer size (%d, VL_MULS_MAX_WORDS=%d) is less than required (%d)",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname(), outStrSz, VL_MULS_MAX_WORDS, chars);
chars = outStrSz;
}
for (i=0; i<chars; ++i) {
div_t idx = div(i*3, 8);
int val = datap[idx.quot];
if ((idx.quot+1)<bytes) {
// if the next byte is valid or that in
// for when the required 3 bits straddle adjacent bytes
val |= datap[idx.quot+1]<<8;
}
// align so least significant 3 bits represent octal char
val >>= idx.rem;
if (i==(chars-1)) {
// most signifcant char, mask off non existant bits when vector
// size is not a multiple of 3
unsigned int rem = vop->varp()->packed().elements() % 3;
if (rem) {
// generate bit mask & zero non existant bits
val &= (1<<rem)-1;
}
}
outStr[chars-i-1] = '0' + (val&7);
}
outStr[i] = '\0';
return;
}
default:
strcpy(outStr, "0");
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
return;
}
} else if (value_p->format == vpiDecStrVal) {
value_p->value.str = outStr;
switch (vop->varp()->vltype()) {
// outStrSz does not include NULL termination so add one
case VLVT_UINT8:
VL_SNPRINTF(outStr, outStrSz+1, "%hhu",
static_cast<unsigned char>(*(reinterpret_cast<CData*>(vop->varDatap()))));
return;
case VLVT_UINT16:
VL_SNPRINTF(outStr, outStrSz+1, "%hu",
static_cast<unsigned short>(*(reinterpret_cast<SData*>(vop->varDatap()))));
return;
case VLVT_UINT32:
VL_SNPRINTF(outStr, outStrSz+1, "%u",
static_cast<unsigned int>(*(reinterpret_cast<IData*>(vop->varDatap()))));
return;
case VLVT_UINT64:
VL_SNPRINTF(outStr, outStrSz+1, "%llu",
static_cast<unsigned long long>(*(reinterpret_cast<QData*>(vop->varDatap()))));
return;
default:
strcpy(outStr, "-1");
_VL_VPI_ERROR(__FILE__, __LINE__,
"%s: Unsupported format (%s) for %s, maximum limit is 64 bits",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format), vop->fullname());
return;
}
} else if (value_p->format == vpiHexStrVal) {
value_p->value.str = outStr;
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
case VLVT_UINT16:
case VLVT_UINT32:
case VLVT_UINT64:
case VLVT_WDATA: {
int chars = (vop->varp()->packed().elements()+3)>>2;
CData* datap = (reinterpret_cast<CData*>(vop->varDatap()));
int i;
if (chars > outStrSz) {
// limit maximum size of output to size of buffer to prevent overrun.
_VL_VPI_WARNING(__FILE__, __LINE__, "%s: Truncating string value of %s for %s"
" as buffer size (%d, VL_MULS_MAX_WORDS=%d) is less than required (%d)",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname(), outStrSz, VL_MULS_MAX_WORDS, chars);
chars = outStrSz;
}
for (i=0; i<chars; ++i) {
char val = (datap[i>>1]>>((i&1)<<2))&15;
if (i==(chars-1)) {
// most signifcant char, mask off non existant bits when vector
// size is not a multiple of 4
unsigned int rem = vop->varp()->packed().elements() & 3;
if (rem) {
// generate bit mask & zero non existant bits
val &= (1<<rem)-1;
}
}
outStr[chars-i-1] = "0123456789abcdef"[static_cast<int>(val)];
}
outStr[i] = '\0';
return;
}
default:
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
return;
}
} else if (value_p->format == vpiStringVal) {
value_p->value.str = outStr;
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
case VLVT_UINT16:
case VLVT_UINT32:
case VLVT_UINT64:
case VLVT_WDATA: {
int bytes = VL_BYTES_I(vop->varp()->packed().elements());
CData* datap = (reinterpret_cast<CData*>(vop->varDatap()));
int i;
if (bytes > outStrSz) {
// limit maximum size of output to size of buffer to prevent overrun.
_VL_VPI_WARNING(__FILE__, __LINE__, "%s: Truncating string value of %s for %s"
" as buffer size (%d, VL_MULS_MAX_WORDS=%d) is less than required (%d)",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname(), outStrSz, VL_MULS_MAX_WORDS, bytes);
bytes = outStrSz;
}
for (i=0; i<bytes; ++i) {
char val = datap[bytes-i-1];
// other simulators replace [leading?] zero chars with spaces, replicate here.
outStr[i] = val?val:' ';
}
outStr[i] = '\0';
return;
}
default:
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
return;
}
} else if (value_p->format == vpiIntVal) {
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
value_p->value.integer = *(reinterpret_cast<CData*>(vop->varDatap()));
return;
case VLVT_UINT16:
value_p->value.integer = *(reinterpret_cast<SData*>(vop->varDatap()));
return;
case VLVT_UINT32:
value_p->value.integer = *(reinterpret_cast<IData*>(vop->varDatap()));
return;
case VLVT_WDATA: // FALLTHRU
case VLVT_UINT64: // FALLTHRU
default:
value_p->value.integer = 0;
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
return;
}
} else if (value_p->format == vpiSuppressVal) {
return;
}
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) as requested for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format), vop->fullname());
return;
}
else if (VerilatedVpioConst* vop = VerilatedVpioConst::castp(object)) {
if (value_p->format == vpiIntVal) {
value_p->value.integer = vop->num();
return;
}
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format), vop->fullname());
return;
}
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format));
}
vpiHandle vpi_put_value(vpiHandle object, p_vpi_value value_p,
p_vpi_time time_p, PLI_INT32 flags) {
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_put_value %p %p\n", object, value_p););
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
if (VL_UNLIKELY(!value_p)) {
_VL_VPI_WARNING(__FILE__, __LINE__, "Ignoring vpi_put_value with NULL value pointer");
return 0;
}
if (VerilatedVpioVar* vop = VerilatedVpioVar::castp(object)) {
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_put_value name=%s fmt=%d vali=%d\n",
vop->fullname(), value_p->format, value_p->value.integer);
VL_DBG_MSGF("- vpi: varp=%p putatp=%p\n",
vop->varp()->datap(), vop->varDatap()););
if (VL_UNLIKELY(!vop->varp()->isPublicRW())) {
_VL_VPI_WARNING(__FILE__, __LINE__,
"Ignoring vpi_put_value to signal marked read-only,"
" use public_flat_rw instead: ",
vop->fullname());
return 0;
}
if (value_p->format == vpiVectorVal) {
if (VL_UNLIKELY(!value_p->value.vector)) return NULL;
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
*(reinterpret_cast<CData*>(vop->varDatap()))
= value_p->value.vector[0].aval & vop->mask();
return object;
case VLVT_UINT16:
*(reinterpret_cast<SData*>(vop->varDatap()))
= value_p->value.vector[0].aval & vop->mask();
return object;
case VLVT_UINT32:
*(reinterpret_cast<IData*>(vop->varDatap()))
= value_p->value.vector[0].aval & vop->mask();
return object;
case VLVT_WDATA: {
int words = VL_WORDS_I(vop->varp()->packed().elements());
WDataOutP datap = (reinterpret_cast<IData*>(vop->varDatap()));
for (int i=0; i<words; ++i) {
datap[i] = value_p->value.vector[i].aval;
if (i==(words-1)) {
datap[i] &= vop->mask();
}
}
return object;
}
case VLVT_UINT64: {
*(reinterpret_cast<QData*>(vop->varDatap())) = _VL_SET_QII(
value_p->value.vector[1].aval & vop->mask(),
value_p->value.vector[0].aval);
return object;
}
default: {
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
return NULL;
}
}
} else if (value_p->format == vpiBinStrVal) {
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
case VLVT_UINT16:
case VLVT_UINT32:
case VLVT_UINT64:
case VLVT_WDATA: {
int bits = vop->varp()->packed().elements();
int len = strlen(value_p->value.str);
CData* datap = (reinterpret_cast<CData*>(vop->varDatap()));
for (int i=0; i<bits; ++i) {
char set = (i < len)?(value_p->value.str[len-i-1]=='1'):0;
// zero bits 7:1 of byte when assigning to bit 0, else
// or in 1 if bit set
if (i&7) {
datap[i>>3] |= set<<(i&7);
} else {
datap[i>>3] = set;
}
}
return object;
}
default:
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
return 0;
}
} else if (value_p->format == vpiOctStrVal) {
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
case VLVT_UINT16:
case VLVT_UINT32:
case VLVT_UINT64:
case VLVT_WDATA: {
int chars = (vop->varp()->packed().elements()+2)/3;
int bytes = VL_BYTES_I(vop->varp()->packed().elements());
int len = strlen(value_p->value.str);
CData* datap = (reinterpret_cast<CData*>(vop->varDatap()));
div_t idx;
datap[0] = 0; // reset zero'th byte
for (int i=0; i<chars; ++i) {
union {
char byte[2];
short half;
} val;
idx = div(i*3, 8);
if (i < len) {
// ignore illegal chars
char digit = value_p->value.str[len-i-1];
if (digit >= '0' && digit <= '7') {
val.half = digit-'0';
} else {
_VL_VPI_WARNING(__FILE__, __LINE__,
"%s: Non octal character '%c' in '%s' as value %s for %s",
VL_FUNC, digit, value_p->value.str,
VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
val.half = 0;
}
} else {
val.half = 0;
}
// align octal character to position within vector, note that
// the three bits may straddle a byte bounday so two byte wide
// assignments are made to adjacent bytes - but not if the least
// signifcant byte of the aligned value is the most significant
// byte of the destination.
val.half <<= idx.rem;
datap[idx.quot] |= val.byte[0]; // or in value
if ((idx.quot+1) < bytes) {
datap[idx.quot+1] = val.byte[1]; // this also resets
// all bits to 0 prior to or'ing above
}
}
// mask off non existant bits in the most significant byte
if (idx.quot == (bytes-1)) {
datap[idx.quot] &= vop->mask_byte(idx.quot);
} else if (idx.quot+1 == (bytes-1)) {
datap[idx.quot+1] &= vop->mask_byte(idx.quot+1);
}
// zero off remaining top bytes
for (int i=idx.quot+2; i<bytes; ++i) {
datap[i] = 0;
}
return object;
}
default:
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
return 0;
}
} else if (value_p->format == vpiDecStrVal) {
char remainder[16];
unsigned long long val;
int success = sscanf(value_p->value.str, "%30llu%15s", &val, remainder);
if (success < 1) {
_VL_VPI_ERROR(__FILE__, __LINE__,
"%s: Parsing failed for '%s' as value %s for %s",
VL_FUNC, value_p->value.str,
VerilatedVpiError::strFromVpiVal(value_p->format), vop->fullname());
return 0;
}
if (success > 1) {
_VL_VPI_WARNING(__FILE__, __LINE__,
"%s: Trailing garbage '%s' in '%s' as value %s for %s",
VL_FUNC, remainder, value_p->value.str,
VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
}
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
*(reinterpret_cast<CData*>(vop->varDatap())) = val & vop->mask(); break;
case VLVT_UINT16:
*(reinterpret_cast<SData*>(vop->varDatap())) = val & vop->mask(); break;
case VLVT_UINT32:
*(reinterpret_cast<IData*>(vop->varDatap())) = val & vop->mask(); break;
case VLVT_UINT64: *(reinterpret_cast<QData*>(vop->varDatap())) = val;
(reinterpret_cast<IData*>(vop->varDatap()))[1] &= vop->mask(); break;
case VLVT_WDATA:
default:
_VL_VPI_ERROR(__FILE__, __LINE__,
"%s: Unsupported format (%s) for %s, maximum limit is 64 bits",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
return 0;
}
return object;
} else if (value_p->format == vpiHexStrVal) {
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
case VLVT_UINT16:
case VLVT_UINT32:
case VLVT_UINT64:
case VLVT_WDATA: {
int chars = (vop->varp()->packed().elements()+3)>>2;
CData* datap = (reinterpret_cast<CData*>(vop->varDatap()));
char* val = value_p->value.str;
// skip hex ident if one is detected at the start of the string
if (val[0] == '0' && (val[1] == 'x' || val[1] == 'X')) {
val += 2;
}
int len = strlen(val);
for (int i=0; i<chars; ++i) {
char hex;
// compute hex digit value
if (i < len) {
char digit = val[len-i-1];
if (digit >= '0' && digit <= '9') hex = digit - '0';
else if (digit >= 'a' && digit <= 'f') hex = digit - 'a' + 10;
else if (digit >= 'A' && digit <= 'F') hex = digit - 'A' + 10;
else {
_VL_VPI_WARNING(__FILE__, __LINE__,
"%s: Non hex character '%c' in '%s' as value %s for %s",
VL_FUNC, digit, value_p->value.str,
VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
hex = 0;
}
} else {
hex = 0;
}
// assign hex digit value to destination
if (i&1) {
datap[i>>1] |= hex<<4;
} else {
datap[i>>1] = hex; // this also resets all
// bits to 0 prior to or'ing above of the msb
}
}
// apply bit mask to most significant byte
datap[(chars-1)>>1] &= vop->mask_byte((chars-1)>>1);
return object;
}
default:
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
return 0;
}
} else if (value_p->format == vpiStringVal) {
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
case VLVT_UINT16:
case VLVT_UINT32:
case VLVT_UINT64:
case VLVT_WDATA: {
int bytes = VL_BYTES_I(vop->varp()->packed().elements());
int len = strlen(value_p->value.str);
CData* datap = (reinterpret_cast<CData*>(vop->varDatap()));
for (int i=0; i<bytes; ++i) {
// prepend with 0 values before placing string the least signifcant bytes
datap[i] = (i < len)?value_p->value.str[len-i-1]:0;
}
return object;
}
default:
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format),
vop->fullname());
return 0;
}
} else if (value_p->format == vpiIntVal) {
switch (vop->varp()->vltype()) {
case VLVT_UINT8:
*(reinterpret_cast<CData*>(vop->varDatap()))
= vop->mask() & value_p->value.integer;
return object;
case VLVT_UINT16:
*(reinterpret_cast<SData*>(vop->varDatap()))
= vop->mask() & value_p->value.integer;
return object;
case VLVT_UINT32:
*(reinterpret_cast<IData*>(vop->varDatap()))
= vop->mask() & value_p->value.integer;
return object;
case VLVT_WDATA: // FALLTHRU
case VLVT_UINT64: // FALLTHRU
default:
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for %s", VL_FUNC,
VerilatedVpiError::strFromVpiVal(value_p->format), vop->fullname());
return 0;
}
}
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) as requested for %s",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format), vop->fullname());
return NULL;
}
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported format (%s) for ??",
VL_FUNC, VerilatedVpiError::strFromVpiVal(value_p->format));
return NULL;
}
void vpi_get_value_array(vpiHandle object, p_vpi_arrayvalue arrayvalue_p,
PLI_INT32 *index_p, PLI_UINT32 num) {
_VL_VPI_UNIMP(); return;
}
void vpi_put_value_array(vpiHandle object, p_vpi_arrayvalue arrayvalue_p,
PLI_INT32 *index_p, PLI_UINT32 num) {
_VL_VPI_UNIMP(); return;
}
// time processing
void vpi_get_time(vpiHandle object, p_vpi_time time_p) {
VerilatedVpiImp::assertOneCheck();
// cppcheck-suppress nullPointer
if (VL_UNLIKELY(!time_p)) {
_VL_VPI_WARNING(__FILE__, __LINE__, "Ignoring vpi_get_time with NULL value pointer");
return;
}
if (time_p->type == vpiSimTime) {
QData qtime = VL_TIME_Q();
WData itime[2];
VL_SET_WQ(itime, qtime);
time_p->low = itime[0];
time_p->high = itime[1];
return;
}
_VL_VPI_ERROR(__FILE__, __LINE__, "%s: Unsupported type (%d)",
VL_FUNC, time_p->type);
return;
}
// I/O routines
PLI_UINT32 vpi_mcd_open(PLI_BYTE8 *filenamep) {
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
return VL_FOPEN_S(filenamep, "wb");
}
PLI_UINT32 vpi_mcd_close(PLI_UINT32 mcd) {
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
VL_FCLOSE_I(mcd); return 0;
}
PLI_BYTE8 *vpi_mcd_name(PLI_UINT32 mcd) {
_VL_VPI_UNIMP(); return 0;
}
PLI_INT32 vpi_mcd_printf(PLI_UINT32 mcd, PLI_BYTE8 *formatp, ...) {
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
va_list ap;
va_start(ap, formatp);
int chars = vpi_mcd_vprintf(mcd, formatp, ap);
va_end(ap);
return chars;
}
PLI_INT32 vpi_printf(PLI_BYTE8 *formatp, ...) {
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
va_list ap;
va_start(ap, formatp);
int chars = vpi_vprintf(formatp, ap);
va_end(ap);
return chars;
}
PLI_INT32 vpi_vprintf(PLI_BYTE8* formatp, va_list ap) {
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
return VL_VPRINTF(formatp, ap);
}
PLI_INT32 vpi_mcd_vprintf(PLI_UINT32 mcd, PLI_BYTE8 *format, va_list ap) {
VerilatedVpiImp::assertOneCheck();
FILE* fp = VL_CVT_I_FP(mcd);
_VL_VPI_ERROR_RESET();
// cppcheck-suppress nullPointer
if (VL_UNLIKELY(!fp)) return 0;
int chars = vfprintf(fp, format, ap);
return chars;
}
PLI_INT32 vpi_flush(void) {
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
Verilated::flushCall();
return 0;
}
PLI_INT32 vpi_mcd_flush(PLI_UINT32 mcd) {
VerilatedVpiImp::assertOneCheck();
FILE* fp = VL_CVT_I_FP(mcd);
_VL_VPI_ERROR_RESET();
if (VL_UNLIKELY(!fp)) return 1;
fflush(fp);
return 0;
}
// utility routines
PLI_INT32 vpi_compare_objects(vpiHandle object1, vpiHandle object2) {
_VL_VPI_UNIMP(); return 0;
}
PLI_INT32 vpi_chk_error(p_vpi_error_info error_info_p) {
// executing vpi_chk_error does not reset error
// error_info_p can be NULL, so only return level in that case
VerilatedVpiImp::assertOneCheck();
p_vpi_error_info _error_info_p = VerilatedVpiImp::error_info()->getError();
if (error_info_p && _error_info_p) {
*error_info_p = *_error_info_p;
}
if (!_error_info_p) return 0; // no error occured
return _error_info_p->level; // return error severity level
};
PLI_INT32 vpi_free_object(vpiHandle object) {
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
return vpi_release_handle(object); // Deprecated
}
PLI_INT32 vpi_release_handle(vpiHandle object) {
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_release_handle %p\n", object););
VerilatedVpiImp::assertOneCheck();
VerilatedVpio* vop = VerilatedVpio::castp(object);
_VL_VPI_ERROR_RESET();
if (VL_UNLIKELY(!vop)) return 0;
vpi_remove_cb(object); // May not be a callback, but that's ok
delete vop;
return 1;
}
PLI_INT32 vpi_get_vlog_info(p_vpi_vlog_info vlog_info_p) VL_MT_SAFE {
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
vlog_info_p->argc = Verilated::getCommandArgs()->argc;
vlog_info_p->argv = (PLI_BYTE8**)Verilated::getCommandArgs()->argv;
vlog_info_p->product = (PLI_BYTE8*)Verilated::productName();
vlog_info_p->version = (PLI_BYTE8*)Verilated::productVersion();
return 1;
}
// routines added with 1364-2001
PLI_INT32 vpi_get_data(PLI_INT32 id, PLI_BYTE8 *dataLoc, PLI_INT32 numOfBytes) {
_VL_VPI_UNIMP(); return 0;
}
PLI_INT32 vpi_put_data(PLI_INT32 id, PLI_BYTE8 *dataLoc, PLI_INT32 numOfBytes) {
_VL_VPI_UNIMP(); return 0;
}
void *vpi_get_userdata(vpiHandle obj) {
_VL_VPI_UNIMP(); return 0;
}
PLI_INT32 vpi_put_userdata(vpiHandle obj, void *userdata) {
_VL_VPI_UNIMP(); return 0;
}
PLI_INT32 vpi_control(PLI_INT32 operation, ...) {
VL_DEBUG_IF_PLI(VL_DBG_MSGF("- vpi: vpi_control %d\n", operation););
VerilatedVpiImp::assertOneCheck();
_VL_VPI_ERROR_RESET();
switch (operation) {
case vpiFinish: {
VL_FINISH_MT(__FILE__, __LINE__, "*VPI*");
return 1;
}
case vpiStop: {
VL_STOP_MT(__FILE__, __LINE__, "*VPI*");
return 1;
}
}
_VL_VPI_WARNING(__FILE__, __LINE__, "%s: Unsupported type %s, ignoring",
VL_FUNC, VerilatedVpiError::strFromVpiProp(operation));
return 0;
}
vpiHandle vpi_handle_by_multi_index(vpiHandle obj, PLI_INT32 num_index, PLI_INT32 *index_array) {
_VL_VPI_UNIMP(); return 0;
}