MHR-31: Rework scheduler, remove the concept of user driver and rings.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>

3 files changed, 6 insertions, 29 deletions

diff --git a/Kernel/Sources/CodeManager.cxx b/Kernel/Sources/CodeManager.cxx
index 33121edf..9f374c18 100644
--- a/Kernel/Sources/CodeManager.cxx
+++ b/Kernel/Sources/CodeManager.cxx
@@ -20,11 +20,11 @@ namespace NewOS
 			return false;
 
 		ProcessHeader proc((VoidPtr)main);
-		proc.Kind = ProcessHeader::kDriverKind;
+		proc.Kind = ProcessHeader::kAppKind;
 		rt_copy_memory((VoidPtr)processName, proc.Name, rt_string_len(proc.Name));
 
 		Ref<ProcessHeader> refProc = proc;
 
 		return ProcessScheduler::The().Leak().Add(refProc);
 	}
-} // namespace NewOS
\ No newline at end of file
+} // namespace NewOS
diff --git a/Kernel/Sources/KeMain.cxx b/Kernel/Sources/KeMain.cxx
index 60494ee3..9be8a026 100644
--- a/Kernel/Sources/KeMain.cxx
+++ b/Kernel/Sources/KeMain.cxx
@@ -204,9 +204,7 @@ namespace NewOS::Detail
 		NewOS::Utils::execute_from_image(stageBoard,
 										 NewOS::ProcessHeader::kAppKind);
 
-		NewOS::kcout << "SystemLauncher: done, sleeping...";
-
-		while (true) {}
+		/// TODO: now jump to user mode using the HAL.
 	}
 } // namespace NewOS::Detail
 
@@ -218,6 +216,5 @@ EXTERN_C NewOS::Void KeMain(NewOS::Void)
 	/// Now run kernel loop, until no process are running.
 	NewOS::Detail::FilesystemWizard wizard; // automatic.
 
-	auto cLoaderName = "SystemLauncher";
-	NewOS::execute_from_image(NewOS::Detail::SystemLauncher_Main, cLoaderName);
+	NewOS::Detail::SystemLauncher_Main();
 }
diff --git a/Kernel/Sources/ProcessScheduler.cxx b/Kernel/Sources/ProcessScheduler.cxx
index 7008eafe..d9d013c6 100644
--- a/Kernel/Sources/ProcessScheduler.cxx
+++ b/Kernel/Sources/ProcessScheduler.cxx
@@ -46,11 +46,6 @@ namespace NewOS
 		kcout.Number(kErrorProcessFault);
 		kcout << ")\r";
 
-		if (this->Ring != kRingUserKind)
-		{
-			MUST_PASS(ke_bug_check());
-		}
-
 		this->Exit(kErrorProcessFault);
 	}
 
@@ -167,24 +162,8 @@ namespace NewOS
 			ProcessScheduler::The().Leak().GetCurrent().Leak().ProcessId)
 			ke_stop(RUNTIME_CHECK_PROCESS);
 
-		if (this->Ring == (Int32)ProcessSelector::kRingKernel &&
-			ProcessScheduler::The().Leak().GetCurrent().Leak().Ring > 0)
-			ke_stop(RUNTIME_CHECK_PROCESS);
-
 		kLastExitCode = exit_code;
 
-		if (this->Ring != (Int32)ProcessSelector::kRingDriver)
-		{
-			if (this->HeapPtr)
-				rt_free_heap(this->HeapPtr);
-
-			this->HeapPtr	 = nullptr;
-			this->HeapCursor = nullptr;
-
-			this->FreeMemory = 0UL;
-			this->UsedMemory = 0UL;
-		}
-
 		//! Delete image if not done already.
 		if (this->Image)
 			ke_delete_ke_heap(this->Image);
@@ -352,7 +331,8 @@ namespace NewOS
 		auto& processRef = ProcessScheduler::The().Leak();
 		SizeT ret		 = processRef.Run();
 
-		kcout << "newoskrnl: Iterated over: " << number(ret);
+		kcout << "newoskrnl: Iterated over: ";
+		kcout.Number(ret);
 		kcout << " processes.\r";
 
 		return true;