Updating Host_memory_Copy_kernel examples updated to gracefully exit for u250_gen3x16_xdma_3_1_202020 platforms (#997)

Author: Virat Agarwal

host/host_memory_copy_kernel/src/host.cpp

@@ -45,6 +45,15 @@ int main(int argc, char* argv[]) {
     bool valid_device = false;
     for (unsigned int i = 0; i < devices.size(); i++) {
         auto device = devices[i];
+        auto device_name = device.getInfo<CL_DEVICE_NAME>();
+        if (xcl::is_hw_emulation()) {
+            if (device_name.find("u250_gen3x16_xdma_3_1_202020") != std::string::npos) {
+                std::cout << "[INFO]: The example is not supported for u250_gen3x16_xdma_3_1_202020 for hw_emu. Please "
+                             "try other flows."
+                          << '\n';
+                return EXIT_SUCCESS;
+            }
+        }
         // Creating Context and Command Queue for selected Device
         OCL_CHECK(err, context = cl::Context(device, nullptr, nullptr, nullptr, &err));
         OCL_CHECK(err, q = cl::CommandQueue(context, device, CL_QUEUE_PROFILING_ENABLE, &err));

host_xrt/host_memory_copy_kernel_xrt/src/host.cpp

@@ -45,6 +45,16 @@ int main(int argc, char* argv[]) {
 
     std::cout << "Open the device" << device_index << std::endl;
     auto device = xrt::device(device_index);
+    auto device_name = device.get_info<xrt::info::device::name>();
+    char* xcl_mode = getenv("XCL_EMULATION_MODE");
+    if ((xcl_mode != nullptr) && !strcmp(xcl_mode, "hw_emu")) {
+        if (device_name.find("u250_gen3x16_xdma_3_1_202020") != std::string::npos) {
+            std::cout << "[INFO]: The example is not supported for u250_gen3x16_xdma_3_1_202020 for hw_emu. Please try "
+                         "other flows."
+                      << '\n';
+            return EXIT_SUCCESS;
+        }
+    }
     std::cout << "Load the xclbin " << binaryFile << std::endl;
     auto uuid = device.load_xclbin(binaryFile);