[Kernel] Experimental debug monitor/PIX code.

2018-05-23 04:54:26 -05:00
parent 09585eb103
commit 2ef3ea996f
6 changed files with 306 additions and 6 deletions
--- a/src/xenia/kernel/xboxkrnl/debug_monitor.cc
+++ b/src/xenia/kernel/xboxkrnl/debug_monitor.cc
@@ -0,0 +1,99 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include "xenia/kernel/xboxkrnl/xboxkrnl_module.h"
+
+#include <gflags/gflags.h>
+
+#include <vector>
+
+#include "xenia/base/clock.h"
+#include "xenia/base/debugging.h"
+#include "xenia/base/logging.h"
+#include "xenia/base/math.h"
+#include "xenia/cpu/ppc/ppc_context.h"
+#include "xenia/cpu/processor.h"
+#include "xenia/emulator.h"
+#include "xenia/kernel/kernel_state.h"
+#include "xenia/kernel/user_module.h"
+#include "xenia/kernel/util/shim_utils.h"
+#include "xenia/kernel/xboxkrnl/xboxkrnl_private.h"
+#include "xenia/kernel/xthread.h"
+
+DECLARE_bool(kernel_pix);
+
+namespace xe {
+namespace kernel {
+namespace xboxkrnl {
+
+enum class DebugMonitorCommand {
+  PIXCommandResult = 27,
+  SetPIXCallback = 28,
+  Unknown66 = 66,
+  Unknown89 = 89,
+  Unknown94 = 94,
+};
+
+void KeDebugMonitorCallback(cpu::ppc::PPCContext* ppc_context,
+                            kernel::KernelState* kernel_state) {
+  auto id = static_cast<DebugMonitorCommand>(ppc_context->r[3] & 0xFFFFFFFFu);
+  auto arg = static_cast<uint32_t>(ppc_context->r[4] & 0xFFFFFFFFu);
+
+  XELOGI("KeDebugMonitorCallback(%u, %08x)", static_cast<uint32_t>(id), arg);
+
+  if (!FLAGS_kernel_pix) {
+    SHIM_SET_RETURN_32(-1);
+    return;
+  }
+
+  auto xboxkrnl = kernel_state->GetKernelModule<XboxkrnlModule>("xboxkrnl.exe");
+
+  switch (id) {
+    case DebugMonitorCommand::PIXCommandResult: {
+      auto s = kernel_state->memory()->TranslateVirtual<const char*>(arg);
+      debugging::DebugPrint("%s\n", s);
+      XELOGD("PIX command result: %s\n", s);
+      if (strcmp(s, "PIX!{CaptureFileCreationEnded} 0x00000000") == 0) {
+        xboxkrnl->SendPIXCommand("{BeginCapture}");
+      }
+      SHIM_SET_RETURN_32(0);
+      break;
+    }
+    case DebugMonitorCommand::SetPIXCallback:
+      xboxkrnl->set_pix_function(arg);
+      xboxkrnl->SendPIXCommand("{LimitCaptureSize} 100");  // in MB
+      xboxkrnl->SendPIXCommand("{BeginCaptureFileCreation} scratch:\\test.cap");
+      SHIM_SET_RETURN_32(0);
+      break;
+    case DebugMonitorCommand::Unknown66: {
+      struct callback_info {
+        xe::be<uint32_t> callback_fn;
+        xe::be<uint32_t> callback_arg;  // D3D device object?
+      };
+      auto cbi = kernel_state->memory()->TranslateVirtual<callback_info*>(arg);
+      SHIM_SET_RETURN_32(0);
+      break;
+    }
+    case DebugMonitorCommand::Unknown89:
+      // arg = function pointer?
+      SHIM_SET_RETURN_32(0);
+      break;
+    case DebugMonitorCommand::Unknown94:
+      // xboxkrnl->SendPIXCommand("{EndCapture}");
+      SHIM_SET_RETURN_32(0);
+      break;
+    default:
+      SHIM_SET_RETURN_32(-1);
+      break;
+  }
+}
+
+}  // namespace xboxkrnl
+}  // namespace kernel
+}  // namespace xe