sw: Adding dma count for hero

pulp-platform · May 2, 2024 · 4120e61 · 4120e61
1 parent f420b44
commit 4120e61
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/target/sim/sw/device/apps/libomptarget_device/src/main.c b/target/sim/sw/device/apps/libomptarget_device/src/main.c
@@ -6,6 +6,8 @@
 #include "sw_mailbox.h"
 #include "snrt.h"
 
+volatile uint32_t dma_wait_cycles = 0;
+
 //================================================================================
 // MACROS AND SETTINGS
 //================================================================================
@@ -252,6 +254,8 @@ static int gomp_offload_manager() {
     // snrt_reset_perf_counter(SNRT_PERF_CNT1);
     // snrt_start_perf_counter(SNRT_PERF_CNT0, SNRT_PERF_CNT_ISSUE_FPU, core_id);
     // snrt_start_perf_counter(SNRT_PERF_CNT1, SNRT_PERF_CNT_DMA_BUSY, core_id);
+    cycles = read_csr(mcycle);
+    dma_wait_cycles = 0;
 
     offloadFn(offloadArgs);
     // snrt_stop_perf_counter(SNRT_PERF_CNT0);
@@ -268,6 +272,7 @@ static int gomp_offload_manager() {
     mailbox_write(MBOX_DEVICE_DONE);
     cycles = read_csr(mcycle) - cycles;
     mailbox_write(cycles);
+    mailbox_write(dma_wait_cycles);
 
     //if (DEBUG_LEVEL_OFFLOAD_MANAGER > 0)
     //  snrt_trace("Kernel execution time [Snitch cycles] = %d\n", cycles);
@@ -302,8 +307,6 @@ int main(int argc, char *argv[]) {
 
   __snrt_omp_bootstrap(core_idx);
 
-  //snrt_trace("omp_bootstrap complete, core_idx: %d core_num: %d\n", core_idx, core_num);
-
   gomp_offload_manager();
 
   //snrt_trace("bye\n");

diff --git a/target/sim/sw/device/apps/libomptarget_device/src/sw_mailbox.c b/target/sim/sw/device/apps/libomptarget_device/src/sw_mailbox.c
@@ -49,7 +49,7 @@ int syscall(uint64_t which, uint64_t arg0, uint64_t arg1, uint64_t arg2,
         ret = rb_device_put(rb, (void *)magic_mem);
         if (ret) {
             ++retries;
-            csleep(1000000);
+            csleep(10);
         }
     } while (ret != 0);
     return retries;