FPGA: Internal packet generator uses external memory to store image, and this memory is accessible via PCIe BAR

receiver/HLSSimulatedDevice.cpp

@@ -41,7 +41,7 @@ HLSSimulatedDevice::HLSSimulatedDevice(uint16_t data_stream, size_t in_frame_buf
     MapBuffersStandard(in_frame_buffer_size_modules,
                        (3 + 3 * 16)  * max_modules + 2, numa_node);
 
-    auto in_mem_location32 = (uint32_t *) in_mem_location;
+    auto in_mem_location32 = (uint32_t *) calibration_addr_bram;
 
     for (int i = 0; i < max_modules * (3 + 3 * 16) + 2; i++) {
         in_mem_location32[2 * i    ] = ((uint64_t) buffer_device[i]) & UINT32_MAX;
@@ -51,6 +51,8 @@ HLSSimulatedDevice::HLSSimulatedDevice(uint16_t data_stream, size_t in_frame_buf
     for (auto &i: hbm_memory)
         // i.resize(SIZE_OF_HBM_BLOCK_IN_BYTES);
         i.resize(32*1024*1024); // only 32 MiB instead of 256 MiB per HBM interface (should be more than enough for all the tests anyway)
+
+    internal_packet_generator_uram.resize(RAW_MODULE_SIZE * sizeof(uint16_t) / 512 * 8);
 }
 
 void HLSSimulatedDevice::CreateFinalPacket(const DiffractionExperiment& experiment) {
@@ -286,10 +288,11 @@ void HLSSimulatedDevice::HLSMainThread() {
 
     // Load external calibration
     hls_cores.emplace_back([&] { load_calibration(raw1, raw2, datamover_in.GetCtrlStream(), datamover_in.GetDataStream(),
-                                                  in_mem_location); });
+                                                  calibration_addr_bram); });
 
     // Generate internal packets
-    hls_cores.emplace_back([&] { internal_packet_generator(raw2, raw3, addr1, addr2, cancel_data_collection); });
+    hls_cores.emplace_back([&] { internal_packet_generator(raw2, raw3, addr1, addr2, internal_packet_generator_uram.data(),
+                                                           cancel_data_collection); });
 
     // Timer procedure - count how many times pedestal_corr/gain_corr is not accepting input (to help track down latency issues)
     hls_cores.emplace_back([&] { timer_hbm(raw3, raw4, counter_hbm); });