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macc_v2: Add C port

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This commit is contained in:
Martin Povišer 2025-01-10 11:44:54 +01:00
parent c5fd96ebb0
commit 5882055899
3 changed files with 78 additions and 35 deletions
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26
kernel/rtlil.cc
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@ -1468,24 +1468,34 @@ namespace {
}
if (cell->type == ID($macc_v2)) {
if (param(ID::NTERMS) <= 0)
if (param(ID::NPRODUCTS) <= 0)
error(__LINE__);
param_bits(ID::TERM_NEGATED, param(ID::NTERMS));
param_bits(ID::A_SIGNED, param(ID::NTERMS));
param_bits(ID::B_SIGNED, param(ID::NTERMS));
if (param(ID::NADDENDS) <= 0)
error(__LINE__);
param_bits(ID::PRODUCT_NEGATED, param(ID::NPRODUCTS));
param_bits(ID::ADDEND_NEGATED, param(ID::NADDENDS));
param_bits(ID::A_SIGNED, param(ID::NPRODUCTS));
param_bits(ID::B_SIGNED, param(ID::NPRODUCTS));
param_bits(ID::C_SIGNED, param(ID::NADDENDS));
if (cell->getParam(ID::A_SIGNED) != cell->getParam(ID::B_SIGNED))
error(__LINE__);
param_bits(ID::A_WIDTHS, param(ID::NTERMS) * 16);
param_bits(ID::B_WIDTHS, param(ID::NTERMS) * 16);
param_bits(ID::A_WIDTHS, param(ID::NPRODUCTS) * 16);
param_bits(ID::B_WIDTHS, param(ID::NPRODUCTS) * 16);
param_bits(ID::C_WIDTHS, param(ID::NADDENDS) * 16);
const Const &a_width = cell->getParam(ID::A_WIDTHS);
const Const &b_width = cell->getParam(ID::B_WIDTHS);
int a_width_sum = 0, b_width_sum = 0;
for (int i = 0; i < param(ID::NTERMS); i++) {
const Const &c_width = cell->getParam(ID::C_WIDTHS);
int a_width_sum = 0, b_width_sum = 0, c_width_sum = 0;
for (int i = 0; i < param(ID::NPRODUCTS); i++) {
a_width_sum += a_width.extract(16 * i, 16).as_int(false);
b_width_sum += b_width.extract(16 * i, 16).as_int(false);
}
for (int i = 0; i < param(ID::NADDENDS); i++) {
c_width_sum += c_width.extract(16 * i, 16).as_int(false);
}
port(ID::A, a_width_sum);
port(ID::B, b_width_sum);
port(ID::C, c_width_sum);
port(ID::Y, param(ID::Y_WIDTH));
check_expected();
return;