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[FPGA-Bitstream] Reverse bitstream for shift register due to its FIFO nature

This commit is contained in:
tangxifan 2021-10-03 16:05:33 -07:00
parent 2badcb58f2
commit 06b018cfe7
1 changed files with 2 additions and 2 deletions
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4
openfpga/src/utils/fabric_bitstream_utils.cpp
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@ -410,7 +410,7 @@ MemoryBankShiftRegisterFabricBitstream build_memory_bank_shift_register_fabric_b
std::vector<std::string> reshaped_bl_vectors = reshape_bitstream_vectors_to_first_element(bl_vec, '0'); std::vector<std::string> reshaped_bl_vectors = reshape_bitstream_vectors_to_first_element(bl_vec, '0');
/* Reverse the vectors due to the shift register chain nature: first-in first-out */ /* Reverse the vectors due to the shift register chain nature: first-in first-out */
//std::reverse(reshaped_bl_vectors.begin(), reshaped_bl_vectors.end()); std::reverse(reshaped_bl_vectors.begin(), reshaped_bl_vectors.end());
/* Add the BL word to final bitstream */ /* Add the BL word to final bitstream */
for (const auto& reshaped_bl_vec : reshaped_bl_vectors) { for (const auto& reshaped_bl_vec : reshaped_bl_vectors) {
fabric_bits.add_bl_vectors(word_id, reshaped_bl_vec); fabric_bits.add_bl_vectors(word_id, reshaped_bl_vec);
@ -418,7 +418,7 @@ MemoryBankShiftRegisterFabricBitstream build_memory_bank_shift_register_fabric_b
std::vector<std::string> reshaped_wl_vectors = reshape_bitstream_vectors_to_first_element(wl_vec, '0'); std::vector<std::string> reshaped_wl_vectors = reshape_bitstream_vectors_to_first_element(wl_vec, '0');
/* Reverse the vectors due to the shift register chain nature: first-in first-out */ /* Reverse the vectors due to the shift register chain nature: first-in first-out */
//std::reverse(reshaped_wl_vectors.begin(), reshaped_wl_vectors.end()); std::reverse(reshaped_wl_vectors.begin(), reshaped_wl_vectors.end());
/* Add the BL word to final bitstream */ /* Add the BL word to final bitstream */
for (const auto& reshaped_wl_vec : reshaped_wl_vectors) { for (const auto& reshaped_wl_vec : reshaped_wl_vectors) {
fabric_bits.add_wl_vectors(word_id, reshaped_wl_vec); fabric_bits.add_wl_vectors(word_id, reshaped_wl_vec);