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/* -------------------------------------------
Copyright ZKA Technologies
File: Main.cxx
Purpose: Main entrypoint of kernel.
------------------------------------------- */
#include <KernelKit/PE.h>
#include <ArchKit/ArchKit.h>
#include <CompilerKit/Detail.h>
#include <FirmwareKit/Handover.h>
#include <KernelKit/FileMgr.h>
#include <KernelKit/Heap.h>
#include <KernelKit/PEF.h>
#include <KernelKit/PEFCodeMgr.h>
#include <KernelKit/UserProcessScheduler.h>
#include <KernelKit/Heap.h>
#include <NewKit/Json.h>
#include <NewKit/KString.h>
#include <NewKit/Utils.h>
#include <KernelKit/CodeMgr.h>
#include <CFKit/Property.h>
#include <Modules/FB/KWindow.h>
#include <KernelKit/Timer.h>
/***********************************************************************************/
/* Returns kernel's version. */
/***********************************************************************************/
EXTERN Kernel::Property cKernelVersion;
/***********************************************************************************/
/* This is an external C symbol. */
/***********************************************************************************/
EXTERN_C Kernel::Void _hal_init_mouse();
EXTERN_C Kernel::Boolean _hal_draw_mouse();
STATIC CG::ML_WINDOW_STRUCT* kKernelWnd = nullptr;
namespace Kernel::Detail
{
/// @brief Filesystem auto formatter, additional checks are also done by the class.
class FilesystemInstaller final
{
Kernel::NeFileSystemMgr* fNeFS{nullptr};
public:
/// @brief wizard constructor.
explicit FilesystemInstaller()
{
if (Kernel::IFilesystemMgr::GetMounted())
{
CG::CGDrawStringToWnd(kKernelWnd, "MinOSKrnl: No need to allocate a NewFS filesystem here...", 10, 10, RGB(0, 0, 0));
fNeFS = reinterpret_cast<Kernel::NeFileSystemMgr*>(Kernel::IFilesystemMgr::GetMounted());
}
else
{
CG::CGDrawStringToWnd(kKernelWnd, "MinOSKrnl: Allocating a NewFS filesystem here...", 10, 10, RGB(0, 0, 0));
// Mounts a NewFS from main drive.
fNeFS = new Kernel::NeFileSystemMgr();
Kernel::IFilesystemMgr::Mount(fNeFS);
}
if (fNeFS->GetParser())
{
constexpr auto cFolderInfo = "META-INF";
const auto cDirCount = 7;
const char* cDirStr[cDirCount] = {
"/Boot/", "/System/", "/Support/", "/Applications/",
"/Users/", "/Library/", "/Mount/"};
for (Kernel::SizeT dirIndx = 0UL; dirIndx < cDirCount; ++dirIndx)
{
auto catalogDir = fNeFS->GetParser()->GetCatalog(cDirStr[dirIndx]);
if (catalogDir)
{
kcout << "newoskrnl: Already exists.\r";
CG::CGDrawStringToWnd(kKernelWnd, "MinOSKrnl: Catalog already exists...", 10 + (10 * (dirIndx + 1)), 10, RGB(0, 0, 0));
delete catalogDir;
continue;
}
catalogDir = fNeFS->GetParser()->CreateCatalog(cDirStr[dirIndx], 0,
kNeFSCatalogKindDir);
NFS_FORK_STRUCT 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));
theFork.DataSize = kNeFSForkSize;
theFork.ResourceId = 0;
theFork.ResourceKind = Kernel::kNeFSRsrcForkKind;
theFork.Kind = Kernel::kNeFSDataForkKind;
Kernel::KString metadataFolder(kNeFSSectorSz);
metadataFolder +=
"<!properties/>\r<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 = kNeFSSectorSz;
fNeFS->GetParser()->CreateFork(catalogDir, theFork);
fNeFS->GetParser()->WriteCatalog(
catalogDir, true, (Kernel::VoidPtr)(metadataFolder.CData()),
metadataSz, cFolderInfo);
CG::CGDrawStringToWnd(kKernelWnd, "MinOSKrnl: Catalog has been created...", 10 + (10 * (dirIndx + 1)), 10, RGB(0, 0, 0));
delete catalogDir;
}
}
const auto kSysPage = "/System/syspage.sys";
NFS_CATALOG_STRUCT* catalogDisk =
this->fNeFS->GetParser()->GetCatalog(kSysPage);
const Kernel::Char* cSrcName = "8K_SYS_PAGE_KERNEL";
if (catalogDisk)
{
delete catalogDisk;
}
else
{
catalogDisk =
(NFS_CATALOG_STRUCT*)this->Leak()->CreateAlias(kSysPage);
NFS_FORK_STRUCT 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));
Kernel::Size sz_hdr = kNeFSForkSize;
theDiskFork.DataSize = sz_hdr;
theDiskFork.ResourceId = kNeFSCatalogKindExecutable | kNeFSCatalogKindPage;
theDiskFork.ResourceKind = Kernel::kNeFSDataForkKind;
theDiskFork.Kind = Kernel::kNeFSDataForkKind;
fNeFS->GetParser()->CreateFork(catalogDisk, theDiskFork);
delete catalogDisk;
}
}
~FilesystemInstaller() = default;
ZKA_COPY_DEFAULT(FilesystemInstaller);
/// @brief Grab the disk's NewFS reference.
/// @return NeFileSystemMgr the filesystem interface
Kernel::NeFileSystemMgr* Leak()
{
return fNeFS;
}
};
} // namespace Kernel::Detail
/// @brief Application entrypoint.
/// @param Void
/// @return Void
EXTERN_C Kernel::Void ke_dll_entrypoint(Kernel::Void)
{
CG::CGDrawBackground();
kKernelWnd = nullptr;
kKernelWnd = CG::CGCreateWindow(CG::kWndFlagWindow, "ZKA Operating System Kernel Log", "Window", 20, 20, CG::UIAccessibilty::The().Height() - 20, CG::UIAccessibilty::The().Width() - 20);
kKernelWnd->w_sub_type = CG::kWndFlagCloseControlSelect;
kKernelWnd->w_x = 10;
kKernelWnd->w_y = 10;
kKernelWnd->w_needs_repaint = Yes;
CG::CGDrawWindowList(&kKernelWnd, 1);
/// Now run kernel loop, until no process are running.
Kernel::Detail::FilesystemInstaller(); // automatic filesystem creation.
CG::CGDrawBackground();
}
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