Add env variable to print image SRD contents

Add environment variable HSA_IMAGE_PRINT_SRD to print contents of SRD
registers for image functions

Change-Id: Ifb47a73dcfad8745ee7445e20de96e1021b80bd6

runtime/hsa-runtime/core/util/flag.h

@@ -160,6 +160,9 @@ class Flag {
     var = os::GetEnvVar("HSA_SVM_PROFILE");
     svm_profile_ = var;
 
+    var = os::GetEnvVar("HSA_IMAGE_PRINT_SRD");
+    image_print_srd_ = (var == "1") ? true : false;
+
     // Temporary environment variable to disable CPU affinity override
     // Will either rename to HSA_OVERRIDE_CPU_AFFINITY later or remove completely.
     var = os::GetEnvVar("HSA_OVERRIDE_CPU_AFFINITY_DEBUG");
@@ -219,6 +222,8 @@ class Flag {
 
   bool override_cpu_affinity() const { return override_cpu_affinity_; }
 
+  bool image_print_srd() const { return image_print_srd_; }
+
   XNACK_REQUEST xnack() const { return xnack_; }
 
   bool debug() const { return debug_; }
@@ -260,6 +265,7 @@ class Flag {
   bool coop_cu_count_;
   bool discover_copy_agents_;
   bool override_cpu_affinity_;
+  bool image_print_srd_;
 
   SDMA_OVERRIDE enable_sdma_;
 

runtime/hsa-runtime/image/image_runtime.cpp

@@ -47,6 +47,7 @@
 #include <climits>
 #include <mutex>
 
+#include "core/inc/runtime.h"
 #include "core/inc/hsa_internal.h"
 #include "core/inc/hsa_ext_amd_impl.h"
 #include "resource.h"
@@ -397,6 +398,8 @@ hsa_status_t ImageRuntime::CreateImageHandle(
 
   image_manager(component)->PopulateImageSrd(*image);
 
+  if (core::Runtime::runtime_singleton_->flag().image_print_srd()) image->printSRD();
+
   image_handle.handle = image->Convert();
 
   return HSA_STATUS_SUCCESS;
@@ -434,6 +437,8 @@ hsa_status_t ImageRuntime::CreateImageHandleWithLayout(
     return err;
   }
 
+  if (core::Runtime::runtime_singleton_->flag().image_print_srd()) image->printSRD();
+
   image_handle.handle = image->Convert();
   return HSA_STATUS_SUCCESS;
 }

runtime/hsa-runtime/image/resource.h

@@ -134,6 +134,15 @@ public:
   __ALIGNED__(
       HSA_IMAGE_OBJECT_ALIGNMENT) uint32_t srd[HSA_IMAGE_OBJECT_SIZE_DWORD];
 
+  void const printSRD() const {
+    char hexStr[200];
+    size_t hexStrLen = 0;
+    for (int i = 0; i < sizeof(srd) / sizeof(srd[0]); i++)
+      hexStrLen += sprintf(&hexStr[hexStrLen], "0x%08x ", srd[i]);
+
+    printf("\nSRD:%s\n\n", hexStr);
+  }
+
   // HSA component of the image object.
   hsa_agent_t component;