fpga: fix a stuck startup bug

Author: xiaokamikami

src/test/csrc/common/mpool.h

@@ -153,7 +153,7 @@ class MemoryIdxPool {
 
   size_t group_r_offset = 0; // The offset used by the current consumer
   size_t group_w_offset = 0; // The offset used by the current producer
-  size_t read_count = 0;
+  size_t read_count = MAX_IDX - 1;
   size_t write_count = 0;
   size_t write_next_count = 0;
 

src/test/csrc/fpga/fpga_main.cpp

@@ -55,9 +55,12 @@ int main(int argc, char *argv[]) {
   args_parsingniton(argc, argv);
 
   simv_init();
-  std::unique_lock<std::mutex> lock(simv_mtx);
-  while (simv_result.load() == SIMV_RUN) {
-    simv_cv.wait(lock);
+  {
+    std::unique_lock<std::mutex> lock(simv_mtx);
+    xdma_device->start_transmit_thread();
+    while (simv_result.load() == SIMV_RUN) {
+      simv_cv.wait(lock);
+    }
   }
   xdma_device->running = false;
   free(xdma_device);
@@ -136,7 +139,8 @@ void args_parsingniton(int argc, char *argv[]) {
     if (strcmp(argv[i], "--diff") == 0) {
       set_diff_ref_so(argv[++i]);
     } else if (strcmp(argv[i], "-i") == 0) {
-      memcpy(work_load, argv[++i], sizeof(argv[++i]));
+      i++;
+      memcpy(work_load, argv[i], strlen(argv[i]));
     } else if (strcmp(argv[i], "--max-instrs") == 0) {
       max_instrs = std::stoul(argv[++i], nullptr, 16);
     }

src/test/csrc/fpga/xdma.cpp

@@ -76,7 +76,7 @@ void FpgaXdma::device_write(bool is_bypass, const char *workload, uint64_t addr,
   else
     fd = open(XDMA_USER, O_RDWR | O_SYNC);
   if (fd < 0) {
-    printf("failed to open %s\n", is_bypass ? XDMA_BYPASS : XDMA_USER);
+    printf("Failed to open %s\n", is_bypass ? XDMA_BYPASS : XDMA_USER);
     exit(-1);
   }