diff options
Diffstat (limited to 'dev/Boot/Sources/Thread.cxx')
| -rw-r--r-- | dev/Boot/Sources/Thread.cxx | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/dev/Boot/Sources/Thread.cxx b/dev/Boot/Sources/Thread.cxx deleted file mode 100644 index 5bd18b19..00000000 --- a/dev/Boot/Sources/Thread.cxx +++ /dev/null @@ -1,179 +0,0 @@ -/* ------------------------------------------- - - Copyright ZKA Technologies. - -------------------------------------------- */ - -#include <BootKit/Thread.hxx> -#include <BootKit/Support.hxx> -#include <BootKit/BootKit.hxx> -#include <FirmwareKit/EFI/API.hxx> - -#include <KernelKit/PEF.hxx> -#include <KernelKit/PE.hxx> -#include <KernelKit/MSDOS.hxx> -#include <Modules/CoreCG/TextRenderer.hxx> -#include <CFKit/LoaderUtils.hxx> - -EXTERN_C -{ -#include <string.h> -} - -#define kHOTypeKernel 100 - -EXTERN EfiBootServices* BS; - -namespace Boot -{ - Thread::Thread(VoidPtr blob) - : fBlob(blob), fStartAddress(nullptr) - { - // detect the format. - const Char* firstBytes = reinterpret_cast<char*>(fBlob); - - BTextWriter writer; - - if (!firstBytes) - { - // failed to provide a valid pointer. - return; - } - - if (firstBytes[0] == kMagMz0 && - firstBytes[1] == kMagMz1) - { - ExecHeaderPtr hdrPtr = ldr_find_exec_header(firstBytes); - ExecOptionalHeaderPtr optHdr = ldr_find_opt_exec_header(firstBytes); - - if (hdrPtr->mMachine != kPeMachineAMD64 || - hdrPtr->mSignature != kPeMagic) - { - writer.Write("newosldr: Not a PE32+ executable.\r"); - return; - } - - if (optHdr->mSubsystem != kNewOSSubsystem) - { - writer.Write("newosldr: Not a New OS executable.\r"); - return; - } - - writer.Write("newosldr: PE32+ executable detected (New OS Subsystem).\r"); - - auto numSecs = hdrPtr->mNumberOfSections; - - writer.Write("newosldr: Major Linker Ver: ").Write(optHdr->mMajorLinkerVersion).Write("\r"); - writer.Write("newosldr: Minor Linker Ver: ").Write(optHdr->mMinorLinkerVersion).Write("\r"); - writer.Write("newosldr: Major Subsystem Ver: ").Write(optHdr->mMajorSubsystemVersion).Write("\r"); - writer.Write("newosldr: Minor Subsystem Ver: ").Write(optHdr->mMinorSubsystemVersion).Write("\r"); - writer.Write("newosldr: Magic: ").Write(hdrPtr->mSignature).Write("\r"); - - constexpr auto cPageSize = 512; - - EfiPhysicalAddress loadStartAddress = optHdr->mImageBase; - loadStartAddress += optHdr->mBaseOfData; - - writer.Write("newosldr: ImageBase: ").Write(loadStartAddress).Write("\r"); - - auto numPages = optHdr->mSizeOfImage / cPageSize; - BS->AllocatePages(AllocateAddress, EfiLoaderData, numPages, &loadStartAddress); - - ExecSectionHeaderPtr sectPtr = (ExecSectionHeaderPtr)(((Char*)optHdr) + hdrPtr->mSizeOfOptionalHeader); - - constexpr auto sectionForCode = ".text"; - constexpr auto sectionForNewLdr = ".ldr"; - constexpr auto sectionForBSS = ".bss"; - - for (SizeT sectIndex = 0; sectIndex < numSecs; ++sectIndex) - { - ExecSectionHeaderPtr sect = §Ptr[sectIndex]; - - if (StrCmp(sectionForCode, sect->mName) == 0) - { - fStartAddress = (VoidPtr)((UIntPtr)loadStartAddress + optHdr->mAddressOfEntryPoint); - writer.Write("newosldr: Start Address: ").Write((UIntPtr)fStartAddress).Write("\r"); - } - else if (StrCmp(sectionForBSS, sect->mName) == 0) - { - SetMem((VoidPtr)(loadStartAddress + sect->mVirtualAddress), 0, sect->mSizeOfRawData); - } - else if (StrCmp(sectionForNewLdr, sect->mName) == 0) - { - struct HANDOVER_INFORMATION_STUB - { - UInt64 HandoverMagic; - UInt32 HandoverType; - }* structHandover = (struct HANDOVER_INFORMATION_STUB*)((UIntPtr)fBlob + sect->mPointerToRawData); - - if (structHandover->HandoverMagic != kHandoverMagic || - structHandover->HandoverType != kHOTypeKernel) - { - cg_write_text("NEWOSLDR: INVALID HANDOVER IMAGE! ABORTING...", 40, 10, RGB(0x00, 0x00, 0x00)); - EFI::Stop(); - } - } - - writer.Write("newosldr: offset ").Write(sect->mPointerToRawData).Write(" of ").Write(sect->mName).Write("\r"); - - CopyMem((VoidPtr)(loadStartAddress + sect->mVirtualAddress), (VoidPtr)((UIntPtr)fBlob + sect->mPointerToRawData), sect->mSizeOfRawData); - } - } - else if (firstBytes[0] == kPefMagic[0] && - firstBytes[1] == kPefMagic[1] && - firstBytes[2] == kPefMagic[2] && - firstBytes[3] == kPefMagic[3]) - { - // ========================================= // - // PEF executable detected. - // ========================================= // - - fStartAddress = nullptr; - writer.Write("newosldr: PEF executable detected.\r"); - } - else - { - writer.Write("newosldr: Invalid executable.\r"); - } - } - - /// @note handover header has to be valid! - Void Thread::Start(HEL::HandoverInformationHeader* handover) - { - BTextWriter writer; - - if (!handover) - { - writer.Write("newosldr: Exec format error.\r"); - return; - } - - HEL::HandoverProc err_fn = [](HEL::HandoverInformationHeader* rcx) -> void { - cg_write_text("NEWOSLDR: INVALID IMAGE! ABORTING...", 40, 10, RGB(0x00, 0x00, 0x00)); - EFI::Stop(); - }; - - if (!fStartAddress) - { - err_fn(handover); - } - - reinterpret_cast<HEL::HandoverProc>(fStartAddress)(handover); - err_fn(handover); - } - - const Char* Thread::GetName() - { - return fBlobName; - } - - Void Thread::SetName(const Char* name) - { - CopyMem(fBlobName, name, StrLen(name)); - } - - bool Thread::IsValid() - { - return fStartAddress != nullptr; - } -} // namespace Boot |