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Support DPI open arrays, bug909, bug1245.

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This commit is contained in:
Wilson Snyder
2017-12-17 16:28:58 -05:00
parent 3054b36a8d
commit 49fe4d081c
23 changed files with 1533 additions and 199 deletions
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include/verilated.cpp
+24 -4
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@@ -1634,7 +1634,7 @@ VerilatedModule::~VerilatedModule() {
// VerilatedVar:: Methods
// cppcheck-suppress unusedFunction // Used by applications
vluint32_t VerilatedVar::entSize() const {
vluint32_t VerilatedVarProps::entSize() const {
vluint32_t size = 1;
switch (vltype()) {
case VLVT_PTR: size=sizeof(void*); break;
@@ -1648,6 +1648,26 @@ vluint32_t VerilatedVar::entSize() const {
return size;
}
size_t VerilatedVarProps::totalSize() const {
size_t size = entSize();
for (int dim=1; dim<=dims(); ++dim) {
size *= m_unpacked[dim].elements();
}
return size;
}
void* VerilatedVarProps::datapAdjustIndex(void* datap, int dim, int indx) const {
if (VL_UNLIKELY(dim <=0 || dim > m_udims || dim > 3)) return NULL;
if (VL_UNLIKELY(indx < low(dim) || indx > high(dim))) return NULL;
int indxAdj = indx - low(dim);
vluint8_t* bytep = reinterpret_cast<vluint8_t*>(datap);
// If on index 1 of a 2 index array, then each index 1 is index2sz*entsz
size_t slicesz = entSize();
for (int d=dim+1; d<=m_udims; ++d) slicesz *= elements(d);
bytep += indxAdj*slicesz;
return bytep;
}
//======================================================================
// VerilatedScope:: Methods
@@ -1717,9 +1737,9 @@ void VerilatedScope::varInsert(int finalize, const char* namep, void* datap,
if (i==0) {
var.m_packed.m_left = msb;
var.m_packed.m_right = lsb;
} else if (i==1) {
var.m_unpacked[0].m_left = msb;
var.m_unpacked[0].m_right = lsb;
} else if (i>=1 && i<=3) {
var.m_unpacked[i-1].m_left = msb;
var.m_unpacked[i-1].m_right = lsb;
} else {
// We could have a linked list of ranges, but really this whole thing needs
// to be generalized to support structs and unions, etc.