Source Level Debugger device debugger active flag

- device flag indicating if debugger is active
- when active, proper sip kernels must be used

Change-Id: I678367cdf8fab5d4b5770e3f471246ff6d6bd112

runtime/built_ins/sip.cpp

@@ -22,6 +22,7 @@
 
 #include "runtime/built_ins/sip.h"
 #include "runtime/device/device.h"
+#include "runtime/helpers/hw_helper.h"
 #include "runtime/helpers/ptr_math.h"
 #include "runtime/program/program.h"
 #include "runtime/helpers/debug_helpers.h"
@@ -94,4 +95,9 @@ size_t SipKernel::getBinarySize() const {
     auto kernelInfo = program->getKernelInfo(size_t{0});
     return kernelInfo->heapInfo.pKernelHeader->KernelHeapSize - kernelInfo->systemKernelOffset;
 }
+
+SipKernelType SipKernel::getSipKernelType(GFXCORE_FAMILY family, bool debuggingActive) {
+    auto &hwHelper = HwHelper::get(family);
+    return hwHelper.getSipKernelType(debuggingActive);
+}
 }

runtime/built_ins/sip.h

@@ -21,6 +21,7 @@
  */
 
 #pragma once
+#include "runtime/helpers/hw_info.h"
 
 #include <cinttypes>
 #include <memory>
@@ -61,6 +62,7 @@ class SipKernel {
     static const size_t maxDbgSurfaceSize;
 
     GraphicsAllocation *getSipAllocation() const;
+    static SipKernelType getSipKernelType(GFXCORE_FAMILY family, bool debuggingActive);
 
   protected:
     SipKernelType type = SipKernelType::COUNT;

runtime/command_stream/command_stream_receiver_hw.inl

@@ -313,7 +313,8 @@ CompletionStamp CommandStreamReceiverHw<GfxFamily>::flushTask(
         makeResident(*preemptionCsrAllocation);
 
     if (dispatchFlags.preemptionMode == PreemptionMode::MidThread) {
-        makeResident(*BuiltIns::getInstance().getSipKernel(SipKernelType::Csr, *device).getSipAllocation());
+        auto sipType = SipKernel::getSipKernelType(device->getHardwareInfo().pPlatform->eRenderCoreFamily, device->isSourceLevelDebuggerActive());
+        makeResident(*BuiltIns::getInstance().getSipKernel(sipType, *device).getSipAllocation());
     }
 
     // If the CSR has work in its CS, flush it before the task

runtime/command_stream/preemption.inl

@@ -90,7 +90,8 @@ void PreemptionHelper::programPreamble(LinearStream &preambleCmdStream, Device &
 
     auto sip = reinterpret_cast<STATE_SIP *>(preambleCmdStream.getSpace(sizeof(STATE_SIP)));
     sip->init();
-    sip->setSystemInstructionPointer(BuiltIns::getInstance().getSipKernel(SipKernelType::Csr, device).getSipAllocation()->getGpuAddressToPatch());
+    auto sipType = SipKernel::getSipKernelType(device.getHardwareInfo().pPlatform->eRenderCoreFamily, device.isSourceLevelDebuggerActive());
+    sip->setSystemInstructionPointer(BuiltIns::getInstance().getSipKernel(sipType, device).getSipAllocation()->getGpuAddressToPatch());
 }
 
 template <typename GfxFamily>

runtime/device/device.cpp

@@ -254,4 +254,8 @@ double Device::getPlatformHostTimerResolution() const {
 GFXCORE_FAMILY Device::getRenderCoreFamily() const {
     return this->getHardwareInfo().pPlatform->eRenderCoreFamily;
 }
+
+bool Device::isSourceLevelDebuggerActive() {
+    return deviceInfo.sourceLevelDebuggerActive;
+}
 } // namespace OCLRT

runtime/device/device.h

@@ -133,6 +133,7 @@ class Device : public BaseObject<_cl_device_id> {
     std::vector<unsigned int> simultaneousInterops;
     std::string deviceExtensions;
     bool getEnabled64kbPages();
+    bool isSourceLevelDebuggerActive();
 
   protected:
     Device() = delete;

runtime/device/device_caps.cpp

@@ -352,5 +352,7 @@ void Device::initializeCaps() {
     deviceInfo.preferredGlobalAtomicAlignment = MemoryConstants::cacheLineSize;
     deviceInfo.preferredLocalAtomicAlignment = MemoryConstants::cacheLineSize;
     deviceInfo.preferredPlatformAtomicAlignment = MemoryConstants::cacheLineSize;
+
+    deviceInfo.sourceLevelDebuggerActive = false;
 }
 } // namespace OCLRT

runtime/device/device_info.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Intel Corporation
+ * Copyright (c) 2017 - 2018, Intel Corporation
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -150,5 +150,6 @@ struct DeviceInfo {
     bool                         packedYuvExtension;
     cl_uint                      internalDriverVersion;
     bool                         enabled64kbPages;
+    bool                         sourceLevelDebuggerActive;
 };
 // clang-format on

runtime/gen9/hw_helper.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, Intel Corporation
+ * Copyright (c) 2017 - 2018, Intel Corporation
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -37,5 +37,13 @@ bool HwHelperHw<Family>::setupPreemptionRegisters(HardwareInfo *pHwInfo, bool en
     return pHwInfo->capabilityTable.whitelistedRegisters.csChicken1_0x2580;
 }
 
+template <>
+SipKernelType HwHelperHw<Family>::getSipKernelType(bool debuggingActive) {
+    if (!debuggingActive) {
+        return SipKernelType::Csr;
+    }
+    return SipKernelType::DbgCsrLocal;
+}
+
 template class HwHelperHw<Family>;
 } // namespace OCLRT

runtime/helpers/hw_helper.h

@@ -23,6 +23,7 @@
 #pragma once
 #include "runtime/gen_common/hw_cmds.h"
 #include "runtime/command_stream/linear_stream.h"
+#include "runtime/built_ins/sip.h"
 
 #include <cstdint>
 #include <type_traits>
@@ -42,6 +43,7 @@ class HwHelper {
     virtual bool setupPreemptionRegisters(HardwareInfo *pHwInfo, bool enable) = 0;
     virtual void adjustDefaultEngineType(HardwareInfo *pHwInfo) = 0;
     virtual void setupHardwareCapabilities(HardwareCapabilities *caps) = 0;
+    virtual SipKernelType getSipKernelType(bool debuggingActive) = 0;
 
   protected:
     HwHelper(){};
@@ -87,6 +89,8 @@ class HwHelperHw : public HwHelper {
 
     void setupHardwareCapabilities(HardwareCapabilities *caps) override;
 
+    SipKernelType getSipKernelType(bool debuggingActive) override;
+
   private:
     HwHelperHw(){};
 };

runtime/helpers/hw_helper.inl

@@ -39,4 +39,11 @@ void HwHelperHw<Family>::setupHardwareCapabilities(HardwareCapabilities *caps) {
     caps->image3DMaxWidth = 16384;
 }
 
+template <typename Family>
+SipKernelType HwHelperHw<Family>::getSipKernelType(bool debuggingActive) {
+    if (!debuggingActive) {
+        return SipKernelType::Csr;
+    }
+    return SipKernelType::DbgCsr;
+}
 } // namespace OCLRT