Merged in MHR-23 (pull request #13)

MHR-23

1 files changed, 109 insertions, 0 deletions

diff --git a/Kernel/Sources/KernelCheck.cxx b/Kernel/Sources/KernelCheck.cxx
new file mode 100644
index 00000000..b59417d4
--- /dev/null
+++ b/Kernel/Sources/KernelCheck.cxx
@@ -0,0 +1,109 @@
+/* -------------------------------------------
+
+	Copyright SoftwareLabs
+
+------------------------------------------- */
+
+#include <ArchKit/ArchKit.hpp>
+#include <KernelKit/DebugOutput.hpp>
+#include <NewKit/KernelCheck.hpp>
+#include <NewKit/String.hpp>
+
+extern "C" [[noreturn]] void ke_wait_for_debugger()
+{
+	while (true)
+	{
+		NewOS::HAL::rt_cli();
+		NewOS::HAL::rt_halt();
+	}
+}
+
+/* Each error code is attributed with an ID, which will prompt a string onto the
+ * screen. Wait for debugger... */
+
+namespace NewOS
+{
+	void ke_stop(const NewOS::Int& id)
+	{
+		kcout << "*** STOP *** \r";
+		kcout << "*** Kernel has trigerred a runtime stop. *** \r";
+
+		switch (id)
+		{
+		case RUNTIME_CHECK_PROCESS: {
+			kcout << "*** CAUSE: RUNTIME_CHECK_PROCESS *** \r";
+			kcout << "*** WHAT: BAD DRIVER. *** \r";
+			break;
+		}
+		case RUNTIME_CHECK_ACPI: {
+			kcout << "*** CAUSE: RUNTIME_CHECK_ACPI *** \r";
+			kcout << "*** WHAT: ACPI ERROR, UNSTABLE STATE. *** \r";
+			break;
+		}
+		case RUNTIME_CHECK_POINTER: {
+			kcout << "*** CAUSE: RUNTIME_CHECK_POINTER *** \r";
+			kcout << "*** WHAT: HEAP CRC32 ERROR, UNSTABLE STATE. *** \r";
+			break;
+		}
+		case RUNTIME_CHECK_BAD_BEHAVIOR: {
+			kcout << "*** CAUSE: RUNTIME_CHECK_BAD_BEHAVIOR *** \r";
+			kcout << "*** WHAT: KERNEL BECAME UNSTABLE. *** \r";
+			break;
+		}
+		case RUNTIME_CHECK_BOOTSTRAP: {
+			kcout << "*** CAUSE: RUNTIME_CHECK_BOOTSTRAP *** \r";
+			kcout << "*** WHAT: INVALID BOOT SEQUENCE. *** \r";
+			break;
+		}
+		case RUNTIME_CHECK_HANDSHAKE: {
+			kcout << "*** CAUSE: RUNTIME_CHECK_HANDSHAKE *** \r";
+			kcout << "*** WHAT: BAD HANDSHAKE. *** \r";
+			break;
+		}
+		case RUNTIME_CHECK_IPC: {
+			kcout << "*** CAUSE: RUNTIME_CHECK_IPC *** \r";
+			kcout << "*** WHAT: RICH CALL VIOLATION. *** \r";
+			break;
+		}
+		case RUNTIME_CHECK_INVALID_PRIVILEGE: {
+			kcout << "*** CAUSE: RUNTIME_CHECK_INVALID_PRIVILEGE *** \r";
+			kcout << "*** WHAT: HYPERVISOR POLICY VIOLATION. *** \r";
+			break;
+		case RUNTIME_CHECK_UNEXCPECTED: {
+			kcout << "*** CAUSE: RUNTIME_CHECK_UNEXCPECTED *** \r";
+			kcout << "*** WHAT: CATASROPHIC FAILURE! *** \r";
+			break;
+		}
+		case RUNTIME_CHECK_FAILED: {
+			kcout << "*** CAUSE: RUNTIME_CHECK_FAILED *** \r";
+			kcout << "*** WHAT: ASSERTION FAILED! *** \r";
+			break;
+		}
+		default: {
+			kcout << "*** CAUSE: RUNTIME_CHECK_GENERIC *** \r";
+			break;
+		}
+		}
+		};
+
+		DumpManager::Dump();
+
+#ifdef __DEBUG__
+		ke_wait_for_debugger();
+#endif // ifdef __DEBUG__
+	}
+
+	void ke_runtime_check(bool expr, const char* file, const char* line)
+	{
+		if (!expr)
+		{
+#ifdef __DEBUG__
+			kcout << "New Kernel: File: " << file << "\r";
+			kcout << "New Kernel: Line: " << line << "\r";
+
+#endif // __DEBUG__
+
+			NewOS::ke_stop(RUNTIME_CHECK_FAILED); // Runtime Check failed
+		}
+	}
+} // namespace NewOS