/* Copyright (c) 2014-present Advanced Micro Devices, Inc.

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE. */

#include "hwdebug.hpp"

#include <iostream>
#include <sstream>
#include <fstream>

namespace amd {

class Device;

/*
 ***************************************************************************
 *                  Implementation of GPU Debug Manager class
 ***************************************************************************
 */

//!  Constructor of the debug manager class
HwDebugManager::HwDebugManager(amd::Device* device)
    : context_(NULL),
      device_(device),
      preDispatchCallBackFunc_(NULL),
      postDispatchCallBackFunc_(NULL),
      preDispatchCallBackArgs_(NULL),
      postDispatchCallBackArgs_(NULL),
      paramMemory_(NULL),
      numParams_(0),
      aclBinary_(NULL),
      aqlCodeAddr_(NULL),
      aqlCodeSize_(0),
      scratchRingAddr_(NULL),
      scratchRingSize_(0),
      isRegistered_(false),
      runtimeTBA_(NULL),
      runtimeTMA_(NULL) {
  memset(&debugInfo_, 0, sizeof(debugInfo_));

  for (int i = 0; i < kDebugTrapLocationMax; i++) {
    rtTrapInfo_[i] = NULL;
  }
}

HwDebugManager::~HwDebugManager() {
  delete[] paramMemory_;

  delete runtimeTMA_;
  delete runtimeTBA_;
}

//!  Setup the call back function pointer
void HwDebugManager::setCallBackFunctions(cl_PreDispatchCallBackFunctionAMD preDispatchFunction,
                                          cl_PostDispatchCallBackFunctionAMD postDispatchFunction) {
  preDispatchCallBackFunc_ = preDispatchFunction;
  postDispatchCallBackFunc_ = postDispatchFunction;
}

//!  Setup the call back argument pointers
void HwDebugManager::setCallBackArguments(void* preDispatchArgs, void* postDispatchArgs) {
  preDispatchCallBackArgs_ = preDispatchArgs;
  postDispatchCallBackArgs_ = postDispatchArgs;
}

//!  Get dispatch debug info
void HwDebugManager::getDispatchDebugInfo(void* debugInfo) const {
  memcpy(debugInfo, (void*)&debugInfo_, sizeof(DispatchDebugInfo));
}

//!  Set the kernel code address and its size
void HwDebugManager::setKernelCodeInfo(address aqlCodeAddr, uint32_t aqlCodeSize) {
  aqlCodeAddr_ = aqlCodeAddr;
  aqlCodeSize_ = aqlCodeSize;
}

//!  Get the scratch ring
void HwDebugManager::setScratchRing(address scratchRingAddr, uint32_t scratchRingSize) {
  scratchRingAddr_ = scratchRingAddr;
  scratchRingSize_ = scratchRingSize;
}

//!  Map the scratch ring for host access
void HwDebugManager::mapScratchRing(uint64_t* scratchRingAddr, uint32_t* scratchRingSize) const {
  *scratchRingAddr = reinterpret_cast<uint64_t>(scratchRingAddr_);
  *scratchRingSize = scratchRingSize_;
}

void HwDebugManager::setExceptionPolicy(void* exceptionPolicy) {
  memcpy(&excpPolicy_, exceptionPolicy, sizeof(cl_dbg_exception_policy_amd));
}

void HwDebugManager::getExceptionPolicy(void* exceptionPolicy) const {
  memcpy(exceptionPolicy, &excpPolicy_, sizeof(cl_dbg_exception_policy_amd));
}

void HwDebugManager::setKernelExecutionMode(void* mode) {
  cl_dbg_kernel_exec_mode_amd* execMode = reinterpret_cast<cl_dbg_kernel_exec_mode_amd*>(mode);
  execMode_.ui32All = execMode->ui32All;
}


void HwDebugManager::getKernelExecutionMode(void* mode) const {
  cl_dbg_kernel_exec_mode_amd* execMode = reinterpret_cast<cl_dbg_kernel_exec_mode_amd*>(mode);
  execMode->ui32All = execMode_.ui32All;
}

void HwDebugManager::setAclBinary(void* aclBinary) { aclBinary_ = aclBinary; }

void HwDebugManager::allocParamMemList(uint32_t numParams) {
  if (NULL != paramMemory_) {
    delete[] paramMemory_;
  }

  numParams_ = numParams;
  paramMemory_ = new amd::Memory*[numParams];
}

cl_mem HwDebugManager::getKernelParamMem(uint32_t paramIdx) const {
  assert((paramIdx < numParams_) && "Invalid kernel parameter index too big");

  return as_cl(paramMemory_[paramIdx]);
}

void HwDebugManager::assignKernelParamMem(uint32_t paramIdx, amd::Memory* mem) {
  assert((paramIdx < numParams_) && "Invalid kernel parameter index too big");

  paramMemory_[paramIdx] = mem;
}

void HwDebugManager::installTrap(cl_dbg_trap_type_amd trapType, amd::Memory* trapHandler,
                                 amd::Memory* trapBuffer) {
  rtTrapInfo_[trapType << 2] = trapHandler;
  rtTrapInfo_[(trapType << 2) + 1] = trapBuffer;
}


}  // namespace amd