[IMP] Kernel properties (such as \KernelVersion)

[REFACTOR] Rename KernelHeap to just Heap.
[FIX] Scheduler's way of checking boundaries was not correct.

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

1 files changed, 199 insertions, 0 deletions

diff --git a/Kernel/Sources/Main.cxx b/Kernel/Sources/Main.cxx
new file mode 100644
index 00000000..8c80d70c
--- /dev/null
+++ b/Kernel/Sources/Main.cxx
@@ -0,0 +1,199 @@
+/* -------------------------------------------
+
+	Copyright ZKA Technologies
+
+	File: Main.cxx
+	Purpose: Main entrypoint of kernel.
+
+------------------------------------------- */
+
+#include "KernelKit/DebugOutput.hpp"
+#include <ArchKit/ArchKit.hpp>
+#include <Modules/CoreCG/CoreCG.hxx>
+#include <CompilerKit/Detail.hxx>
+#include <FirmwareKit/Handover.hxx>
+#include <KernelKit/FileManager.hpp>
+#include <KernelKit/Framebuffer.hpp>
+#include <KernelKit/Heap.hxx>
+#include <KernelKit/PEF.hpp>
+#include <KernelKit/PEFCodeManager.hxx>
+#include <KernelKit/ProcessScheduler.hxx>
+#include <KernelKit/ProcessHeap.hxx>
+#include <NewKit/Json.hxx>
+#include <NewKit/KernelCheck.hpp>
+#include <NewKit/String.hpp>
+#include <NewKit/Utils.hpp>
+#include <KernelKit/CodeManager.hpp>
+#include <CFKit/Property.hpp>
+
+EXTERN Kernel::Property cKernelVersion;
+
+namespace Kernel::Detail
+{
+	/// @brief Filesystem auto installer, additional checks are also done by the class.
+	class FilesystemInstaller final
+	{
+		Kernel::NewFilesystemManager* fNewFS{nullptr};
+
+	public:
+		/// @brief wizard constructor.
+		explicit FilesystemInstaller()
+		{
+			if (Kernel::FilesystemManagerInterface::GetMounted())
+			{
+				/// Mounted partition, cool!
+				Kernel::kcout
+					<< "newoskrnl: No need to create for a NewFS+EPM partition here...\r";
+			}
+			else
+			{
+				/// Not mounted partition, auto-mount.
+				///! Mounts a NewFS block.
+				fNewFS = new Kernel::NewFilesystemManager();
+
+				Kernel::FilesystemManagerInterface::Mount(fNewFS);
+
+				if (fNewFS->GetParser())
+				{
+					constexpr auto cFolderInfo		  = "META-INF";
+					const auto	   cDirCount		  = 9;
+					const char*	   cDirStr[cDirCount] = {
+						   "C:\\Boot\\", "C:\\System\\", "C:\\Support\\", "C:\\Applications\\",
+						   "C:\\Users\\", "C:\\Library\\", "C:\\Mount\\", "C:\\DCIM\\", "C:\\Storage\\"};
+
+					for (Kernel::SizeT dirIndx = 0UL; dirIndx < cDirCount; ++dirIndx)
+					{
+						auto catalogDir = fNewFS->GetParser()->GetCatalog(cDirStr[dirIndx]);
+
+						if (catalogDir)
+						{
+							Kernel::kcout << "newoskrnl: already exists.\r";
+
+							delete catalogDir;
+							continue;
+						}
+
+						catalogDir = fNewFS->GetParser()->CreateCatalog(cDirStr[dirIndx], 0,
+																		kNewFSCatalogKindDir);
+
+						NewFork theFork{0};
+
+						const Kernel::Char* cSrcName = cFolderInfo;
+
+						Kernel::rt_copy_memory((Kernel::VoidPtr)(cSrcName), theFork.ForkName,
+											   Kernel::rt_string_len(cSrcName));
+
+						Kernel::rt_copy_memory((Kernel::VoidPtr)(catalogDir->Name),
+											   theFork.CatalogName,
+											   Kernel::rt_string_len(catalogDir->Name));
+
+						delete catalogDir;
+
+						theFork.DataSize	 = kNewFSForkSize;
+						theFork.ResourceId	 = 0;
+						theFork.ResourceKind = Kernel::kNewFSRsrcForkKind;
+						theFork.Kind		 = Kernel::kNewFSDataForkKind;
+
+						Kernel::StringView metadataFolder(kNewFSSectorSz);
+
+						metadataFolder +=
+							"<p>Kind: folder</p>\r<p>Created by: system</p>\r<p>Edited by: "
+							"system</p>\r<p>Volume Type: Zeta</p>\r";
+
+						metadataFolder += "<p>Path: ";
+						metadataFolder += cDirStr[dirIndx];
+						metadataFolder += "</p>\r";
+
+						const Kernel::SizeT metadataSz = kNewFSSectorSz;
+
+						auto catalogSystem = fNewFS->GetParser()->GetCatalog(cDirStr[dirIndx]);
+
+						fNewFS->GetParser()->CreateFork(catalogSystem, theFork);
+
+						fNewFS->GetParser()->WriteCatalog(
+							catalogSystem, (Kernel::VoidPtr)(metadataFolder.CData()),
+							metadataSz, cFolderInfo);
+
+						delete catalogSystem;
+					}
+				}
+
+				NewCatalog* catalogDisk =
+					this->fNewFS->GetParser()->GetCatalog("C:\\Mount\\SIM:");
+
+				const Kernel::Char* cSrcName = "DISK-INF";
+
+				if (catalogDisk)
+				{
+					delete catalogDisk;
+				}
+				else
+				{
+					catalogDisk =
+						(NewCatalog*)this->Leak()->CreateAlias("C:\\Mount\\SIM:");
+
+					Kernel::StringView diskFolder(kNewFSSectorSz);
+
+					diskFolder +=
+						"<p>Kind: alias to SIM Card</p>\r<p>Created by: system</p>\r<p>Edited "
+						"by: "
+						"system</p>\r<p>Volume Type: SIM Card</p>\r";
+
+					diskFolder += "<p>Root: ";
+					diskFolder += Kernel::NewFilesystemHelper::Root();
+					diskFolder += "</p>\r";
+
+					NewFork theDiskFork{0};
+
+					Kernel::rt_copy_memory((Kernel::VoidPtr)(cSrcName), theDiskFork.ForkName,
+										   Kernel::rt_string_len(cSrcName));
+
+					Kernel::rt_copy_memory((Kernel::VoidPtr)(catalogDisk->Name),
+										   theDiskFork.CatalogName,
+										   Kernel::rt_string_len(catalogDisk->Name));
+
+					theDiskFork.DataSize	 = kNewFSForkSize;
+					theDiskFork.ResourceId	 = 0;
+					theDiskFork.ResourceKind = Kernel::kNewFSRsrcForkKind;
+					theDiskFork.Kind		 = Kernel::kNewFSDataForkKind;
+
+					fNewFS->GetParser()->CreateFork(catalogDisk, theDiskFork);
+					fNewFS->GetParser()->WriteCatalog(catalogDisk,
+													  (Kernel::VoidPtr)diskFolder.CData(),
+													  kNewFSSectorSz, cSrcName);
+
+					delete catalogDisk;
+				}
+			}
+		}
+
+		~FilesystemInstaller() = default;
+
+		NEWOS_COPY_DEFAULT(FilesystemInstaller);
+
+		/// @brief Grab the disk's NewFS reference.
+		/// @return NewFilesystemManager the filesystem interface
+		Kernel::NewFilesystemManager* Leak()
+		{
+			return fNewFS;
+		}
+	};
+
+	/// @brief Loads necessary servers for the kernel -> user mode switch.
+	/// @param void no args.
+	/// @return void no return value.
+	STATIC Kernel::Void ke_user_switch(Kernel::Void)
+	{
+		Kernel::kcout << "newoskrnl: " << cKernelVersion.GetKey().CData() << ": " << Kernel::number(cKernelVersion.GetValue()) << Kernel::endl;
+	}
+} // namespace Kernel::Detail
+
+/// @brief Application entrypoint.
+/// @param Void
+/// @return Void
+EXTERN_C Kernel::Void KeMain(Kernel::Void)
+{
+	/// Now run kernel loop, until no process are running.
+	Kernel::Detail::FilesystemInstaller(); // automatic filesystem creation.
+	Kernel::Detail::ke_user_switch();
+}