diff options
Diffstat (limited to 'Kernel/KernelKit')
36 files changed, 2761 insertions, 0 deletions
diff --git a/Kernel/KernelKit/CodeManager.hpp b/Kernel/KernelKit/CodeManager.hpp new file mode 100644 index 00000000..176efcfd --- /dev/null +++ b/Kernel/KernelKit/CodeManager.hpp @@ -0,0 +1,33 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + + File: CodeManager.hpp + Purpose: Code Manager and Shared Objects. + + Revision History: + + 30/01/24: Added file (amlel) + 3/8/24: Add UPP struct. + +------------------------------------------- */ + +#pragma once + +#include <KernelKit/PECodeManager.hxx> +#include <KernelKit/PEFCodeManager.hxx> +#include <KernelKit/PEFSharedObject.hxx> + +#define kUPPNameLen 64 + +namespace NewOS +{ + /// @brief Main process entrypoint. + typedef void (*MainKind)(void); + + /// @brief Executes a new process from a function. kernel code only. + /// @note This sets up a new stack, anything on the main function that calls the kernel will not be accessible. + /// @param main the start of the process. + /// @return if the process was started or not. + bool execute_from_image(MainKind main, const char* processName); +} // namespace NewOS
\ No newline at end of file diff --git a/Kernel/KernelKit/DebugOutput.hpp b/Kernel/KernelKit/DebugOutput.hpp new file mode 100644 index 00000000..7fde69aa --- /dev/null +++ b/Kernel/KernelKit/DebugOutput.hpp @@ -0,0 +1,184 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +#include <KernelKit/DeviceManager.hpp> +#include <CompilerKit/CompilerKit.hxx> +#include <NewKit/OwnPtr.hpp> +#include <NewKit/Stream.hpp> + +#define kDebugMaxPorts 16 + +#define kDebugUnboundPort 0x0FEED + +#define kDebugMag0 'H' +#define kDebugMag1 'D' +#define kDebugMag2 'B' +#define kDebugMag3 'G' + +#define kDebugSourceFile 0 +#define kDebugLine 33 +#define kDebugTeam 43 +#define kDebugEOP 49 + +namespace NewOS +{ + // @brief Emulates a VT100 terminal. + class TerminalDevice final : public DeviceInterface<const Char*> + { + public: + TerminalDevice(void (*print)(const Char*), void (*get)(const Char*)) + : DeviceInterface<const Char*>(print, get) + { + } + + virtual ~TerminalDevice() + { + } + + /// @brief returns device name (terminal name) + /// @return string type (const char*) + virtual const char* Name() const override + { + return ("TerminalDevice"); + } + + NEWOS_COPY_DEFAULT(TerminalDevice); + + static TerminalDevice& Shared() noexcept; + }; + + inline TerminalDevice& end_line() + { + TerminalDevice& selfTerm = TerminalDevice::Shared(); + selfTerm << "\r"; + return selfTerm; + } + + inline TerminalDevice& carriage_return() + { + TerminalDevice& selfTerm = TerminalDevice::Shared(); + selfTerm << "\r"; + return selfTerm; + } + + inline TerminalDevice& tabulate() + { + TerminalDevice& selfTerm = TerminalDevice::Shared(); + selfTerm << "\t"; + return selfTerm; + } + + /// @brief emulate a terminal bell, like the VT100 does. + inline TerminalDevice& bell() + { + TerminalDevice& selfTerm = TerminalDevice::Shared(); + selfTerm << "\a"; + return selfTerm; + } + + namespace Detail + { + inline TerminalDevice _write_number(const Long& x, TerminalDevice& term) + { + UInt64 y = (x > 0 ? x : -x) / 10; + UInt64 h = (x > 0 ? x : -x) % 10; + + if (y) + _write_number(y, term); + + /* fail if the number is not base-10 */ + if (h > 9) + { + _write_number('?', term); + return term; + } + + if (y < 0) + y = -y; + + const char NUMBERS[11] = "0123456789"; + + Char buf[2]; + buf[0] = NUMBERS[h]; + buf[1] = 0; + + term << buf; + return term; + } + + inline TerminalDevice _write_number_hex(const Long& x, TerminalDevice& term) + { + UInt64 y = (x > 0 ? x : -x) / 16; + UInt64 h = (x > 0 ? x : -x) % 16; + + if (y) + _write_number_hex(y, term); + + /* fail if the hex number is not base-16 */ + if (h > 15) + { + _write_number_hex('?', term); + return term; + } + + if (y < 0) + y = -y; + + const char NUMBERS[17] = "0123456789ABCDEF"; + + Char buf[2]; + buf[0] = NUMBERS[h]; + buf[1] = 0; + + term << buf; + return term; + } + } // namespace Detail + + inline TerminalDevice& hex_number(const Long& x) + { + TerminalDevice& selfTerm = TerminalDevice::Shared(); + + selfTerm << "0x"; + Detail::_write_number_hex(x, selfTerm); + + return selfTerm; + } + + inline TerminalDevice& number(const Long& x) + { + TerminalDevice& selfTerm = TerminalDevice::Shared(); + + Detail::_write_number(x, selfTerm); + + return selfTerm; + } + + inline TerminalDevice& get_console_in(Char* buf) + { + TerminalDevice& selfTerm = TerminalDevice::Shared(); + selfTerm >> buf; + return selfTerm; + } + + typedef Char rt_debug_type[255]; + + class DebuggerPortHeader final + { + public: + Int16 fPort[kDebugMaxPorts]; + Int16 fBoundCnt; + }; +} // namespace NewOS + +#ifdef kcout +#undef kcout +#endif // ifdef kcout + +#define kcout TerminalDevice::Shared() +#define endl end_line() diff --git a/Kernel/KernelKit/Defines.hpp b/Kernel/KernelKit/Defines.hpp new file mode 100644 index 00000000..b40c5a54 --- /dev/null +++ b/Kernel/KernelKit/Defines.hpp @@ -0,0 +1,12 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +#include <NewKit/Defines.hpp> + +#define KERNELKIT_VERSION "1.01" +#define KERNELKIT_RELEASE "Cairo" diff --git a/Kernel/KernelKit/DeviceManager.hpp b/Kernel/KernelKit/DeviceManager.hpp new file mode 100644 index 00000000..d6a2849d --- /dev/null +++ b/Kernel/KernelKit/DeviceManager.hpp @@ -0,0 +1,131 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +/* ------------------------------------------- + + Revision History: + + 31/01/24: Add kDeviceCnt (amlel) + + ------------------------------------------- */ + +#pragma once + +/* NewOS device interface manager. */ +/* @file KernelKit/DeviceManager.hpp */ +/* @brief Device abstraction and I/O buffer. */ + +#include <NewKit/ErrorOr.hpp> +#include <NewKit/Ref.hpp> + +#define kDriveManagerCount 4U + +// Last Rev +// Wed, Apr 3, 2024 9:09:41 AM + +namespace NewOS +{ + template <typename T> + class DeviceInterface; + + template <typename T> + class DeviceInterface + { + public: + explicit DeviceInterface(void (*Out)(T), void (*In)(T)) + : fOut(Out), fIn(In) + { + } + + virtual ~DeviceInterface() = default; + + public: + DeviceInterface& operator=(const DeviceInterface<T>&) = default; + DeviceInterface(const DeviceInterface<T>&) = default; + + public: + virtual DeviceInterface<T>& operator<<(T Data) + { + fOut(Data); + return *this; + } + + virtual DeviceInterface<T>& operator>>(T Data) + { + fIn(Data); + return *this; + } + + virtual const char* Name() const + { + return "DeviceInterface"; + } + + operator bool() + { + return fOut && fIn; + } + bool operator!() + { + return !fOut && !fIn; + } + + private: + void (*fOut)(T Data); + void (*fIn)(T Data); + }; + + /// + /// @brief Input Output Buffer + /// Used mainly to communicate between hardware. + /// + template <typename T> + class IOBuf final + { + public: + explicit IOBuf(T Dat) + : fData(Dat) + { + // at least pass something valid when instancating this struct. + MUST_PASS(Dat); + } + + IOBuf& operator=(const IOBuf<T>&) = default; + IOBuf(const IOBuf<T>&) = default; + + ~IOBuf() = default; + + public: + template <typename R> + R operator->() const + { + return fData; + } + + template <typename R> + R& operator[](Size index) const + { + return fData[index]; + } + + private: + T fData; + }; + + ///! @brief Device enum types. + enum + { + kDeviceTypeIDE, + kDeviceTypeEthernet, + kDeviceTypeWiFi, + kDeviceTypeRS232, + kDeviceTypeSCSI, + kDeviceTypeSHCI, + kDeviceTypeUSB, + kDeviceTypeMedia, + kDeviceTypeCount, + }; +} // namespace NewOS diff --git a/Kernel/KernelKit/DriveManager.hxx b/Kernel/KernelKit/DriveManager.hxx new file mode 100644 index 00000000..ad77958e --- /dev/null +++ b/Kernel/KernelKit/DriveManager.hxx @@ -0,0 +1,146 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#ifndef __DRIVE_MANAGER__ +#define __DRIVE_MANAGER__ + +#include <CompilerKit/CompilerKit.hxx> +#include <KernelKit/DebugOutput.hpp> +#include <KernelKit/DeviceManager.hpp> +#include <KernelKit/HError.hpp> +#include <NewKit/Defines.hpp> +#include <NewKit/String.hpp> + +#define kDriveInvalidID -1 +#define kDriveNameLen 32 + +namespace NewOS +{ + enum + { + kInvalidDrive = -1, + kBlockDevice = 0xAD, + kMassStorage = 0xDA, + kFloppyDisc = 0xCD, + kOpticalDisc = 0xDC, // CD-ROM/DVD-ROM/Blu-Ray + /// combine with below. + kReadOnly = 0x10, // Read only drive + kEPMDrive = 0x11, // Explicit Partition Map. + kEPTDrive = 0x12, // ESP w/ EPM partition. + kMBRDrive = 0x13, // IBM PC classic partition scheme + kDriveCnt = 9, + }; + + typedef Int64 rt_drive_id_type; + + /// @brief Media drive trait type. + struct DriveTrait final + { + Char fName[kDriveNameLen]; // /System, /Boot, //./Devices/USB... + Int32 fKind; // fMassStorage, fFloppy, fOpticalDisc. + rt_drive_id_type fId; // Drive id. + Int32 fFlags; // fReadOnly, fXPMDrive, fXPTDrive + + /// @brief Packet drive (StorageKit compilant.) + struct DrivePacket final + { + VoidPtr fPacketContent; //! packet body. + Char fPacketMime[kDriveNameLen]; //! identify what we're sending. + SizeT fPacketSize; //! packet size + UInt32 fPacketCRC32; //! sanity crc, in case if good is set to false + Boolean fPacketGood; + Lba fLba; + } fPacket; + + Void (*fInput)(DrivePacket* packetPtr); + Void (*fOutput)(DrivePacket* packetPtr); + Void (*fVerify)(DrivePacket* packetPtr); + const Char* (*fDriveKind)(Void); + }; + + ///! drive as a device. + typedef DriveTrait* DriveTraitPtr; + + /** + * @brief Mounted drives interface. + * @note This class has all of it's drive set to nullptr, allocate them using + * GetAddressOf(index). + */ + class MountpointInterface final + { + public: + explicit MountpointInterface() = default; + ~MountpointInterface() = default; + + NEWOS_COPY_DEFAULT(MountpointInterface); + + public: + DriveTrait& A() + { + return mA; + } + DriveTrait& B() + { + return mB; + } + DriveTrait& C() + { + return mC; + } + DriveTrait& D() + { + return mD; + } + + DriveTraitPtr GetAddressOf(Int32 index) + { + DbgLastError() = kErrorSuccess; + + switch (index) + { + case 0: + return &mA; + case 1: + return &mB; + case 2: + return &mC; + case 3: + return &mD; + default: { + DbgLastError() = kErrorNoSuchDisk; + kcout << "New OS: No such disk.\n"; + + break; + } + } + + return nullptr; + } + + private: + DriveTrait mA, mB, mC, mD; + }; + + /// @brief Unimplemented drive. + /// @param pckt + /// @return + Void ke_drv_unimplemented(DriveTrait::DrivePacket* pckt); + + /// @brief Gets the drive kind (ATA, SCSI, AHCI...) + /// @param + /// @return + const Char* ke_drive_kind(Void); + + /// @brief Makes a new drive. + /// @return the new drive. + DriveTrait construct_drive(void) noexcept; + + /// @brief Fetches the main drive. + /// @return the new drive. + DriveTrait construct_main_drive(void) noexcept; +} // namespace NewOS + +#endif /* ifndef __DRIVE_MANAGER__ */ diff --git a/Kernel/KernelKit/FileManager.hpp b/Kernel/KernelKit/FileManager.hpp new file mode 100644 index 00000000..d0843a5e --- /dev/null +++ b/Kernel/KernelKit/FileManager.hpp @@ -0,0 +1,258 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +/* ------------------------------------------- + + Revision History: + + 31/01/24: Update documentation (amlel) + + ------------------------------------------- */ + +#pragma once + +#ifdef __FSKIT_NEWFS__ +#include <FSKit/NewFS.hxx> +#endif // __FSKIT_NEWFS__ + +#include <CompilerKit/CompilerKit.hxx> +#include <HintKit/CompilerHint.hxx> +#include <NewKit/Ref.hpp> +#include <NewKit/Stream.hpp> + +/// @brief Filesystem abstraction manager. +/// Works like the VFS or IFS. + +#define kBootFolder "/Boot" +#define kBinFolder "/Applications" +#define kShLibsFolder "/Library" +#define kMountFolder "/Mount" + +/// refer to first enum. +#define kFileOpsCount 4 +#define kFileMimeGeneric "application-type/*" + +namespace NewOS +{ + enum + { + kFileWriteAll = 100, + kFileReadAll = 101, + kFileReadChunk = 102, + kFileWriteChunk = 103, + kFileIOCnt = (kFileWriteChunk - kFileWriteAll) + 1, + }; + + typedef VoidPtr NodePtr; + + /** + @brief Filesystem Manager Interface class + @brief Used to provide common I/O for a specific filesystem. +*/ + class FilesystemManagerInterface + { + public: + FilesystemManagerInterface() = default; + virtual ~FilesystemManagerInterface() = default; + + public: + NEWOS_COPY_DEFAULT(FilesystemManagerInterface); + + public: + /// @brief Mounts a new filesystem into an active state. + /// @param interface the filesystem interface + /// @return + static bool Mount(FilesystemManagerInterface* interface); + + /// @brief Unmounts the active filesystem + /// @return + static FilesystemManagerInterface* Unmount(); + + /// @brief Getter, gets the active filesystem. + /// @return + static FilesystemManagerInterface* GetMounted(); + + public: + virtual NodePtr Create(_Input const char* path) = 0; + virtual NodePtr CreateAlias(_Input const char* path) = 0; + virtual NodePtr CreateDirectory(_Input const char* path) = 0; + + public: + virtual bool Remove(_Input const char* path) = 0; + + public: + virtual NodePtr Open(_Input const char* path, _Input const char* r) = 0; + + public: + virtual Void Write(_Input NodePtr node, _Input VoidPtr data, _Input Int32 flags, _Input SizeT size) = 0; + virtual _Output VoidPtr Read(_Input NodePtr node, _Input Int32 flags, _Input SizeT sz) = 0; + + public: + virtual bool Seek(_Input NodePtr node, _Input SizeT off) = 0; + + public: + virtual SizeT Tell(_Input NodePtr node) = 0; + virtual bool Rewind(_Input NodePtr node) = 0; + }; + +/** @brief invalid position. (n-pos) */ +#define kNPos (SizeT)(-1); + +#ifdef __FSKIT_NEWFS__ + /** + * @brief Based of FilesystemManagerInterface, takes care of managing NewFS + * disks. + */ + class NewFilesystemManager final : public FilesystemManagerInterface + { + public: + explicit NewFilesystemManager(); + ~NewFilesystemManager() override; + + public: + NEWOS_COPY_DEFAULT(NewFilesystemManager); + + public: + NodePtr Create(const char* path) override; + NodePtr CreateAlias(const char* path) override; + NodePtr CreateDirectory(const char* path) override; + + public: + bool Remove(const char* path) override; + NodePtr Open(const char* path, const char* r) override; + Void Write(NodePtr node, VoidPtr data, Int32 flags, SizeT sz) override; + VoidPtr Read(NodePtr node, Int32 flags, SizeT sz) override; + bool Seek(NodePtr node, SizeT off); + SizeT Tell(NodePtr node) override; + bool Rewind(NodePtr node) override; + + public: + void SetResourceFork(const char* forkName); + void SetDataFork(const char* forkName); + + NewFSParser* GetImpl() noexcept; + + private: + Char fDataFork[kNewFSForkNameLen] = {0}; + Char fRsrcFork[kNewFSForkNameLen] = {0}; + NewFSParser* fImpl{nullptr}; + }; + +#endif // ifdef __FSKIT_NEWFS__ + + /** + * Usable FileStream + * @tparam Encoding file encoding (char, wchar_t...) + * @tparam FSClass Filesystem contract who takes care of it. + */ + template <typename Encoding = char, + typename FSClass = FilesystemManagerInterface> + class FileStream final + { + public: + explicit FileStream(const Encoding* path, const Encoding* restrict_type); + ~FileStream(); + + public: + FileStream& operator=(const FileStream&); + FileStream(const FileStream&); + + public: + ErrorOr<Int64> WriteAll(const VoidPtr data) noexcept + { + if (data == nullptr) + return ErrorOr<Int64>(kErrorInvalidData); + + auto man = FSClass::GetMounted(); + + if (man) + { + man->Write(fFile, data, kFileWriteAll); + return ErrorOr<Int64>(0); + } + + return ErrorOr<Int64>(kErrorInvalidData); + } + + VoidPtr Read() noexcept + { + auto man = FSClass::GetMounted(); + + if (man) + { + VoidPtr ret = man->Read(fFile, kFileReadAll, 0); + return ret; + } + + return nullptr; + } + + voidPtr Read(SizeT offset, SizeT sz) + { + auto man = FSClass::GetMounted(); + + if (man) + { + man->Seek(fFile, offset); + auto ret = man->Read(fFile, kFileReadChunk, sz); + + return ret; + } + + return nullptr; + } + + Void Write(SizeT offset, voidPtr data, SizeT sz) + { + auto man = FSClass::GetMounted(); + + if (man) + { + man->Seek(fFile, offset); + man->Write(fFile, data, sz, kFileReadChunk); + } + } + + /// @brief Leak node pointer. + /// @return The node pointer. + NodePtr Leak() + { + return fFile; + } + + public: + char* MIME() noexcept + { + return const_cast<char*>(fMime); + } + + private: + NodePtr fFile; + const Char* fMime{kFileMimeGeneric}; + }; + +#define kRestrictR "r" +#define kRestrictRB "rb" +#define kRestrictW "w" +#define kRestrictRW "rw" + + using FileStreamUTF8 = FileStream<Char>; + using FileStreamUTF16 = FileStream<WideChar>; + + typedef UInt64 CursorType; + + template <typename Encoding, typename Class> + FileStream<Encoding, Class>::FileStream(const Encoding* path, + const Encoding* restrict_type) + : fFile(Class::GetMounted()->Open(path, restrict_type)) + { + } + + template <typename Encoding, typename Class> + FileStream<Encoding, Class>::~FileStream() = default; +} // namespace NewOS + +#define node_cast(PTR) reinterpret_cast<NewOS::NodePtr>(PTR) diff --git a/Kernel/KernelKit/Framebuffer.hpp b/Kernel/KernelKit/Framebuffer.hpp new file mode 100644 index 00000000..903a1fa8 --- /dev/null +++ b/Kernel/KernelKit/Framebuffer.hpp @@ -0,0 +1,90 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + + File: Framebuffer.hpp + Purpose: Framebuffer object. + +------------------------------------------- */ + +#ifndef __INC_FB_HPP__ +#define __INC_FB_HPP__ + +#include <NewKit/Defines.hpp> +#include <NewKit/Ref.hpp> + +namespace NewOS +{ + enum class FramebufferColorKind : UChar + { + RGB32, + RGB16, + RGB8, + INVALID, + }; + + class FramebufferContext final + { + public: + UIntPtr fBase; + UIntPtr fBpp; + UInt fWidth; + UInt fHeight; + }; + + class Framebuffer final + { + public: + explicit Framebuffer(Ref<FramebufferContext*>& addr) + : fFrameBufferAddr(addr) + { + } + ~Framebuffer() + { + } + + Framebuffer& operator=(const Framebuffer&) = delete; + Framebuffer(const Framebuffer&) = default; + + volatile UIntPtr* operator[](const UIntPtr& pos); + + operator bool(); + + const FramebufferColorKind& Color( + const FramebufferColorKind& colour = FramebufferColorKind::INVALID); + + Ref<FramebufferContext*>& Leak(); + + /// @brief Draws a rectangle inside the fb. + /// @param width the width of it + /// @param height the height of it + /// @param x its x coord. + /// @param y its y coord. + /// @param color the color of it. + /// @return the framebuffer object. + Framebuffer& DrawRect(SizeT width, SizeT height, SizeT x, SizeT y, UInt32 color); + + /// @brief Puts a pixel on the screen. + /// @param x where in X + /// @param y where in Y + /// @param color the color of it. + /// @return the framebuffer object. + Framebuffer& PutPixel(SizeT x, SizeT y, UInt32 color); + + private: + Ref<FramebufferContext*> fFrameBufferAddr; + FramebufferColorKind fColour; + }; + + /***********************************************************************************/ + /// Some common colors. + /***********************************************************************************/ + + extern const UInt32 kRgbRed; + extern const UInt32 kRgbGreen; + extern const UInt32 kRgbBlue; + extern const UInt32 kRgbBlack; + extern const UInt32 kRgbWhite; +} // namespace NewOS + +#endif /* ifndef __INC_FB_HPP__ */ diff --git a/Kernel/KernelKit/HError.hpp b/Kernel/KernelKit/HError.hpp new file mode 100644 index 00000000..f4285afb --- /dev/null +++ b/Kernel/KernelKit/HError.hpp @@ -0,0 +1,49 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +#include <NewKit/Defines.hpp> + +namespace NewOS +{ + typedef Int32 HError; + + inline constexpr HError kErrorSuccess = 0; + inline constexpr HError kErrorExecutable = 33; + inline constexpr HError kErrorExecutableLib = 34; // no such library!!! + inline constexpr HError kErrorFileNotFound = 35; + inline constexpr HError kErrorDirectoryNotFound = 36; + inline constexpr HError kErrorDiskReadOnly = 37; + inline constexpr HError kErrorDiskIsFull = 38; + inline constexpr HError kErrorProcessFault = 39; + inline constexpr HError kErrorSocketHangUp = 40; + inline constexpr HError kErrorThreadLocalStorage = 41; + inline constexpr HError kErrorMath = 42; + inline constexpr HError kErrorNoNetwork = 43; + inline constexpr HError kErrorHeapOutOfMemory = 44; + inline constexpr HError kErrorNoSuchDisk = 45; + inline constexpr HError kErrorFileExists = 46; + inline constexpr HError kErrorFormatFailed = 47; + inline constexpr HError kErrorNetworkTimeout = 48; + inline constexpr HError kErrorInternal = 49; + inline constexpr HError kErrorForkAlreadyExists = 50; + inline constexpr HError kErrorOutOfTeamSlot = 51; + inline constexpr HError kErrorHeapNotPresent = 52; + inline constexpr HError kErrorNoEntrypoint = 53; + inline constexpr HError kErrorDiskIsCorrupted = 54; + inline constexpr HError kErrorDisk = 55; + inline constexpr HError kErrorInvalidData = 56; + inline constexpr HError kErrorUnimplemented = 0; + + Boolean ke_bug_check(void) noexcept; +} // namespace NewOS + +#define DbgOk() (kLastError == NewOS::kErrorSuccess) +#define DbgFailed() (kLastError != NewOS::kErrorSuccess) +#define DbgLastError() kLastError + +inline NewOS::HError kLastError = 0; diff --git a/Kernel/KernelKit/KernelHeap.hpp b/Kernel/KernelKit/KernelHeap.hpp new file mode 100644 index 00000000..bb21e981 --- /dev/null +++ b/Kernel/KernelKit/KernelHeap.hpp @@ -0,0 +1,39 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +// last-rev 30/01/24 +// file: KernelHeap.hpp +// description: heap allocation for the kernel. + +#include <NewKit/Defines.hpp> + +namespace NewOS +{ + + /// @brief Declare pointer as free. + /// @param heapPtr the pointer. + /// @return + Int32 ke_delete_ke_heap(voidPtr allocatedPtr); + + /// @brief Check if pointer is a valid kernel pointer. + /// @param heapPtr the pointer + /// @return if it exists. + Boolean ke_is_valid_heap(VoidPtr ptr); + + /// @brief allocate chunk of memory. + /// @param sz size of pointer + /// @param rw read write (true to enable it) + /// @param user is it accesible by user processes? + /// @return the pointer + voidPtr ke_new_ke_heap(SizeT sz, const bool rw, const bool user); + + /// @brief Protect the heap with a CRC value. + /// @param heapPtr HIB pointer. + /// @return if it valid: point has crc now., otherwise fail. + Boolean ke_protect_ke_heap(VoidPtr heapPtr); +} // namespace NewOS diff --git a/Kernel/KernelKit/LoaderInterface.hpp b/Kernel/KernelKit/LoaderInterface.hpp new file mode 100644 index 00000000..71c90e0c --- /dev/null +++ b/Kernel/KernelKit/LoaderInterface.hpp @@ -0,0 +1,33 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +#include <CompilerKit/CompilerKit.hxx> +#include <HintKit/CompilerHint.hxx> +#include <NewKit/Defines.hpp> +#include <NewKit/ErrorOr.hpp> + +namespace NewOS +{ + /// @brief This interface is used to make loader contracts (MSCOFF, PEF). + /// @author @Amlal-El-Mahrouss + class LoaderInterface + { + public: + explicit LoaderInterface() = default; + virtual ~LoaderInterface() = default; + + NEWOS_COPY_DEFAULT(LoaderInterface); + + public: + virtual _Output const char* FormatAsString() = 0; + virtual _Output const char* MIME() = 0; + virtual _Output const char* Path() = 0; + virtual _Output ErrorOr<VoidPtr> FindStart() = 0; + virtual _Output VoidPtr FindSymbol(_Input const char* name, _Input Int32 kind) = 0; + }; +} // namespace NewOS diff --git a/Kernel/KernelKit/LockDelegate.hpp b/Kernel/KernelKit/LockDelegate.hpp new file mode 100644 index 00000000..56a2e17f --- /dev/null +++ b/Kernel/KernelKit/LockDelegate.hpp @@ -0,0 +1,64 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +#include <NewKit/Atom.hpp> +#include <NewKit/Defines.hpp> + +#define kLockDone (200U) /* job is done */ +#define kLockTimedOut (100U) /* job has timed out */ + +namespace NewOS +{ + /// @brief Lock condition pointer. + typedef Boolean* LockPtr; + + /// @brief Locking delegate class, hangs until limit. + /// @tparam N the amount of cycles to wait. + template <SizeT N> + class LockDelegate final + { + public: + LockDelegate() = delete; + + public: + explicit LockDelegate(LockPtr expr) + { + auto spin = 0U; + + while (spin != N) + { + if (*expr) + { + fLockStatus | kLockDone; + break; + } + } + + if (spin == N) + fLockStatus | kLockTimedOut; + } + + ~LockDelegate() = default; + + LockDelegate& operator=(const LockDelegate&) = delete; + LockDelegate(const LockDelegate&) = delete; + + bool Done() + { + return fLockStatus[kLockDone] == kLockDone; + } + + bool HasTimedOut() + { + return fLockStatus[kLockTimedOut] != kLockTimedOut; + } + + private: + Atom<UInt> fLockStatus; + }; +} // namespace NewOS diff --git a/Kernel/KernelKit/MSDOS.hpp b/Kernel/KernelKit/MSDOS.hpp new file mode 100644 index 00000000..8b27ca58 --- /dev/null +++ b/Kernel/KernelKit/MSDOS.hpp @@ -0,0 +1,68 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + + File: MSDOS.hpp + Purpose: MS-DOS header for NewOS. + + Revision History: + + 30/01/24: Added file (amlel) + +------------------------------------------- */ + +#ifndef __MSDOS_EXEC__ +#define __MSDOS_EXEC__ + +#include <KernelKit/PE.hxx> +#include <NewKit/Defines.hpp> + +// Last Rev +// Sat Feb 24 CET 2024 + +#define kMagMz0 'M' +#define kMagMz1 'Z' + +typedef NewOS::UInt32 DosWord; +typedef NewOS::Long DosLong; + +typedef struct _DosHeader +{ + NewOS::UInt8 eMagic[2]; + DosWord eMagLen; + DosWord ePagesCount; + DosWord eCrlc; + DosWord eCParHdr; + DosWord eMinAlloc; + DosWord eMaxAlloc; + DosWord eStackSeg; + DosWord eStackPtr; + DosWord eChksum; + DosWord eIp; + DosWord eCs; + DosWord eLfarlc; + DosWord eOvno; + DosWord eRes[4]; + DosWord eOemid; + DosWord eOeminfo; + DosWord eRes2[10]; + DosLong eLfanew; +} DosHeader, *DosHeaderPtr; + +namespace NewOS +{ + /// @brief Find the PE header inside the the blob. + inline auto rt_find_exec_header(DosHeaderPtr ptrDos) -> VoidPtr + { + if (!ptrDos) + return nullptr; + if (ptrDos->eMagic[0] != kMagMz0) + return nullptr; + if (ptrDos->eMagic[1] != kMagMz1) + return nullptr; + + return (VoidPtr)(&ptrDos->eLfanew + 1); + } +} // namespace NewOS + +#endif /* ifndef __MSDOS_EXEC__ */ diff --git a/Kernel/KernelKit/PCI/Database.hpp b/Kernel/KernelKit/PCI/Database.hpp new file mode 100644 index 00000000..002e572a --- /dev/null +++ b/Kernel/KernelKit/PCI/Database.hpp @@ -0,0 +1,38 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ +#pragma once + +#include <KernelKit/PCI/Device.hpp> +#include <NewKit/Defines.hpp> + +namespace NewOS +{ + namespace Types + { + // https://wiki.osdev.org/PCI + enum class PciDeviceKind : UChar + { + MassStorageController = 0x1, + NetworkController = 0x2, + DisplayController = 0x3, + MultimediaController = 0x4, + MemoryController = 0x5, + Bridge = 0x6, + CommunicationController = 0x7, + GenericSystemPeripheral = 0x8, + InputDeviceController = 0x9, + DockingStation = 0xa, + Processor = 0xb, + SerialBusController = 0xc, + WirelessController = 0xd, + IntelligentController = 0xe, + SatelliteCommunicationsController = 0xf, + CoProcessor = 0x40, + Unassgined = 0xf, + Invalid = Unassgined, + }; + } // namespace Types +} // namespace NewOS diff --git a/Kernel/KernelKit/PCI/Device.hpp b/Kernel/KernelKit/PCI/Device.hpp new file mode 100644 index 00000000..69a99494 --- /dev/null +++ b/Kernel/KernelKit/PCI/Device.hpp @@ -0,0 +1,79 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ +#pragma once + +#include <NewKit/Defines.hpp> + +namespace NewOS::PCI +{ + enum class PciConfigKind : UShort + { + ConfigAddress = 0xCF8, + ConfigData = 0xCFC, + Invalid = 0xFFF + }; + + class Device final + { + public: + Device() = default; + + public: + explicit Device(UShort bus, UShort device, UShort function, UShort bar); + + Device& operator=(const Device&) = default; + + Device(const Device&) = default; + + ~Device(); + + public: + UInt Read(UInt bar, Size szData); + void Write(UInt bar, UIntPtr data, Size szData); + + public: + operator bool(); + + public: + template <typename T> + UInt Read(UInt bar) + { + static_assert(sizeof(T) <= 4, "64-bit PCI addressing is unsupported"); + return Read(bar, sizeof(T)); + } + + template <typename T> + void Write(UInt bar, UIntPtr data) + { + static_assert(sizeof(T) <= 4, "64-bit PCI addressing is unsupported"); + Write(bar, data, sizeof(T)); + } + + public: + UShort DeviceId(); + UShort VendorId(); + UShort InterfaceId(); + UChar Class(); + UChar Subclass(); + UChar ProgIf(); + UChar HeaderType(); + + public: + void EnableMmio(); + void BecomeBusMaster(); // for PCI-DMA, PC-DMA does not need that. + + UShort Vendor(); + + private: + UShort fBus; + UShort fDevice; + UShort fFunction; + UShort fBar; + }; +} // namespace NewOS::PCI + +EXTERN_C void NewOSPCISetCfgTarget(NewOS::UInt bar); +EXTERN_C NewOS::UInt NewOSPCIReadRaw(NewOS::UInt bar); diff --git a/Kernel/KernelKit/PCI/Dma.hpp b/Kernel/KernelKit/PCI/Dma.hpp new file mode 100644 index 00000000..dc7b8601 --- /dev/null +++ b/Kernel/KernelKit/PCI/Dma.hpp @@ -0,0 +1,81 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +#include <KernelKit/DeviceManager.hpp> +#include <KernelKit/PCI/Device.hpp> +#include <NewKit/Array.hpp> +#include <NewKit/OwnPtr.hpp> +#include <NewKit/Ref.hpp> + +namespace NewOS +{ + enum class DmaKind + { + PCI, // Bus mastering is required to be turned on. Basiaclly a request + // control system. 64-Bit access depends on the PAE bit and the device + // (if Double Address Cycle is available) + ISA, // Four DMA channels 0-3; 8 bit transfers and only a megabyte of RAM. + Invalid, + }; + + class DMAWrapper final + { + public: + explicit DMAWrapper() = delete; + + public: + explicit DMAWrapper(nullPtr) = delete; + explicit DMAWrapper(voidPtr Ptr, DmaKind Kind = DmaKind::PCI) + : fAddress(Ptr), fKind(Kind) + { + } + + public: + DMAWrapper& operator=(voidPtr Ptr); + + public: + DMAWrapper& operator=(const DMAWrapper&) = default; + DMAWrapper(const DMAWrapper&) = default; + + public: + ~DMAWrapper() = default; + + template <class T> + T* operator->(); + + template <class T> + T* Get(const UIntPtr off = 0); + + public: + operator bool(); + bool operator!(); + + public: + bool Write(const UIntPtr& bit, const UIntPtr& offset); + UIntPtr Read(const UIntPtr& offset); + Boolean Check(UIntPtr offset) const; + + public: + UIntPtr operator[](const UIntPtr& offset); + + private: + voidPtr fAddress{nullptr}; + DmaKind fKind{DmaKind::Invalid}; + + private: + friend class DMAFactory; + }; + + class DMAFactory final + { + public: + static OwnPtr<IOBuf<Char*>> Construct(OwnPtr<DMAWrapper>& dma); + }; +} // namespace NewOS + +#include <KernelKit/PCI/Dma.inl> diff --git a/Kernel/KernelKit/PCI/Dma.inl b/Kernel/KernelKit/PCI/Dma.inl new file mode 100644 index 00000000..53c52802 --- /dev/null +++ b/Kernel/KernelKit/PCI/Dma.inl @@ -0,0 +1,20 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +namespace NewOS +{ + template<class T> + T* DMAWrapper::operator->() + { + return fAddress; + } + + template<class T> + T* DMAWrapper::Get(const UIntPtr offset) + { + return reinterpret_cast<T*>((UIntPtr) fAddress + offset); + } +} diff --git a/Kernel/KernelKit/PCI/Express.hpp b/Kernel/KernelKit/PCI/Express.hpp new file mode 100644 index 00000000..d6266ad2 --- /dev/null +++ b/Kernel/KernelKit/PCI/Express.hpp @@ -0,0 +1,11 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +#include <NewKit/Defines.hpp> + +#define PCI_EXPRESS_BUS_COUNT (4096) diff --git a/Kernel/KernelKit/PCI/IO-Impl-AMD64.inl b/Kernel/KernelKit/PCI/IO-Impl-AMD64.inl new file mode 100644 index 00000000..92a15b8b --- /dev/null +++ b/Kernel/KernelKit/PCI/IO-Impl-AMD64.inl @@ -0,0 +1,47 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + + File: IO-Impl-AMD64.hpp + Purpose: I/O for AMD64. + + Revision History: + + 30/01/24: Add file. (amlel) + 02/02/24: Update I/O routines. (amlel) + +------------------------------------------- */ + +namespace NewOS { +template <SizeT Sz> +template <typename T> +T IOArray<Sz>::In(SizeT index) { + switch (sizeof(T)) { + case 4: + return HAL::In32(fPorts[index].Leak()); + case 2: + return HAL::In16(fPorts[index].Leak()); + case 1: + return HAL::In8(fPorts[index].Leak()); + default: + return 0xFFFF; + } +} + +template <SizeT Sz> +template <typename T> +void IOArray<Sz>::Out(SizeT index, T value) { + switch (sizeof(T)) { +#ifdef __x86_64__ + case 4: + HAL::Out32(fPorts[index].Leak(), value); + case 2: + HAL::Out16(fPorts[index].Leak(), value); + case 1: + HAL::Out8(fPorts[index].Leak(), value); +#endif + default: + break; + } +} +} // namespace NewOS diff --git a/Kernel/KernelKit/PCI/IO.hpp b/Kernel/KernelKit/PCI/IO.hpp new file mode 100644 index 00000000..0b10f5d0 --- /dev/null +++ b/Kernel/KernelKit/PCI/IO.hpp @@ -0,0 +1,59 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +#include <ArchKit/ArchKit.hpp> +#include <NewKit/Array.hpp> +#include <NewKit/Defines.hpp> +#include <NewKit/Ref.hpp> + +namespace NewOS +{ + template <SizeT Sz> + class IOArray final + { + public: + IOArray() = delete; + + IOArray(nullPtr) = delete; + + explicit IOArray(Array<UShort, Sz>& ports) + : fPorts(ports) + { + } + ~IOArray() + { + } + + IOArray& operator=(const IOArray&) = default; + + IOArray(const IOArray&) = default; + + operator bool() + { + return !fPorts.Empty(); + } + + public: + template <typename T> + T In(SizeT index); + + template <typename T> + void Out(SizeT index, T value); + + private: + Array<UShort, Sz> fPorts; + }; + + using IOArray16 = IOArray<16>; +} // namespace NewOS + +#ifdef __x86_64__ +#include <KernelKit/PCI/IO-Impl-AMD64.inl> +#else +#error Please provide platform specific code for the I/O +#endif // ifdef __x86_64__ diff --git a/Kernel/KernelKit/PCI/Iterator.hpp b/Kernel/KernelKit/PCI/Iterator.hpp new file mode 100644 index 00000000..278711a7 --- /dev/null +++ b/Kernel/KernelKit/PCI/Iterator.hpp @@ -0,0 +1,38 @@ +#ifndef __PCI_ITERATOR_HPP__ +#define __PCI_ITERATOR_HPP__ + +#include <KernelKit/PCI/Database.hpp> +#include <KernelKit/PCI/Device.hpp> +#include <NewKit/Array.hpp> +#include <NewKit/Defines.hpp> +#include <NewKit/Ref.hpp> + +#define NEWOS_BUS_COUNT (256) +#define NEWOS_DEVICE_COUNT (33) +#define NEWOS_FUNCTION_COUNT (8) + +namespace NewOS::PCI +{ + class Iterator final + { + public: + Iterator() = delete; + + public: + explicit Iterator(const Types::PciDeviceKind& deviceType); + + Iterator& operator=(const Iterator&) = default; + + Iterator(const Iterator&) = default; + + ~Iterator(); + + public: + Ref<PCI::Device> operator[](const Size& sz); + + private: + Array<PCI::Device, NEWOS_BUS_COUNT> fDevices; + }; +} // namespace NewOS::PCI + +#endif // __PCI_ITERATOR_HPP__ diff --git a/Kernel/KernelKit/PCI/PCI.hpp b/Kernel/KernelKit/PCI/PCI.hpp new file mode 100644 index 00000000..2e523d4a --- /dev/null +++ b/Kernel/KernelKit/PCI/PCI.hpp @@ -0,0 +1,58 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ +#pragma once + +#include <NewKit/Defines.hpp> + +#define PCI_CONFIG_ADDRESS (0xCF8) +#define PCI_CONFIG_DATA (0xCFC) + +#define PCI_DEVICE_COUNT (32) +#define PCI_FUNC_COUNT (8) +#define PCI_BUS_COUNT (255) + +namespace NewOS::PCI +{ + // model + struct DeviceHeader + { + UInt16 VendorId; + UInt16 DeviceId; + UInt8 Command; + UInt8 Status; + UInt8 RevisionId; + UInt8 ProgIf; + UInt8 SubClass; + UInt8 Class; + UInt8 CacheLineSz; + UInt8 LatencyTimer; + UInt8 HeaderType; + UInt8 Bist; + UInt8 Bus; + UInt8 Device; + UInt8 Function; + }; + + namespace Detail + { + class BAR + { + public: + UIntPtr BAR; + SizeT Size; + }; + } // namespace Detail + + class BAR + { + public: + Detail::BAR BAR1; + Detail::BAR BAR2; + Detail::BAR BAR3; + Detail::BAR BAR4; + Detail::BAR BAR5; + }; +} // namespace NewOS::PCI diff --git a/Kernel/KernelKit/PE.hxx b/Kernel/KernelKit/PE.hxx new file mode 100644 index 00000000..5ab40b70 --- /dev/null +++ b/Kernel/KernelKit/PE.hxx @@ -0,0 +1,123 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + + File: PE.hxx + Purpose: Portable Executable for NewOS. + + Revision History: + + 30/01/24: Added file (amlel) + +------------------------------------------- */ + +#ifndef __PE__ +#define __PE__ + +#include <NewKit/Defines.hpp> + +#define kPeMagic 0x00004550 + +typedef struct ExecHeader final +{ + NewOS::UInt32 mMagic; // PE\0\0 or 0x00004550 + NewOS::UInt16 mMachine; + NewOS::UInt16 mNumberOfSections; + NewOS::UInt32 mTimeDateStamp; + NewOS::UInt32 mPointerToSymbolTable; + NewOS::UInt32 mNumberOfSymbols; + NewOS::UInt16 mSizeOfOptionalHeader; + NewOS::UInt16 mCharacteristics; +} ALIGN(8) ExecHeader, *ExecHeaderPtr; + +#define kMagPE32 0x010b +#define kMagPE64 0x020b + +#define kPEMachineAMD64 0x8664 +#define kPEMachineARM64 0xaa64 + +typedef struct ExecOptionalHeader final +{ + NewOS::UInt16 mMagic; // 0x010b - PE32, 0x020b - PE32+ (64 bit) + NewOS::UChar mMajorLinkerVersion; + NewOS::UChar mMinorLinkerVersion; + NewOS::UIntPtr mSizeOfCode; + NewOS::UIntPtr mSizeOfInitializedData; + NewOS::UIntPtr mSizeOfUninitializedData; + NewOS::UInt32 mAddressOfEntryPoint; + NewOS::UInt32 mBaseOfCode; + NewOS::UIntPtr mImageBase; + NewOS::UInt32 mSectionAlignment; + NewOS::UInt32 mFileAlignment; + NewOS::UInt16 mMajorOperatingSystemVersion; + NewOS::UInt16 mMinorOperatingSystemVersion; + NewOS::UInt16 mMajorImageVersion; + NewOS::UInt16 mMinorImageVersion; + NewOS::UInt16 mMajorSubsystemVersion; + NewOS::UInt16 mMinorSubsystemVersion; + NewOS::UInt32 mWin32VersionValue; + NewOS::UIntPtr mSizeOfImage; + NewOS::UIntPtr mSizeOfHeaders; + NewOS::UInt32 mCheckSum; + NewOS::UInt16 mSubsystem; + NewOS::UInt16 mDllCharacteristics; + NewOS::UIntPtr mSizeOfStackReserve; + NewOS::UIntPtr mSizeOfStackCommit; + NewOS::UIntPtr mSizeOfHeapReserve; + NewOS::UIntPtr mSizeOfHeapCommit; + NewOS::UInt32 mLoaderFlags; + NewOS::UInt32 mNumberOfRvaAndSizes; +} ExecOptionalHeader, *ExecOptionalHeaderPtr; + +typedef struct ExecSectionHeader final +{ + CONST NewOS::UChar mName[8]; + NewOS::UInt32 mVirtualSize; + NewOS::UInt32 mVirtualAddress; + NewOS::UInt32 mSizeOfRawData; + NewOS::UInt32 mPointerToRawData; + NewOS::UInt32 mPointerToRelocations; + NewOS::UInt32 mPointerToLinenumbers; + NewOS::UInt16 mNumberOfRelocations; + NewOS::UInt16 mNumberOfLinenumbers; + NewOS::UInt32 mCharacteristics; +} ExecSectionHeader, *ExecSectionHeaderPtr; + +enum kExecDataDirParams +{ + kExecExport, + kExecImport, + kExecInvalid, + kExecCount, +}; + +typedef struct ExecExportDirectory +{ + NewOS::UInt32 mCharacteristics; + NewOS::UInt32 mTimeDateStamp; + NewOS::UInt16 mMajorVersion; + NewOS::UInt16 mMinorVersion; + NewOS::UInt32 mName; + NewOS::UInt32 mBase; + NewOS::UInt32 mNumberOfFunctions; + NewOS::UInt32 mNumberOfNames; + NewOS::UInt32 mAddressOfFunctions; // export table rva + NewOS::UInt32 mAddressOfNames; + NewOS::UInt32 mAddressOfNameOrdinal; // ordinal table rva +} ExecExportDirectory, *ExecExportDirectoryPtr; + +typedef struct ExecImportDirectory +{ + union { + NewOS::UInt32 mCharacteristics; + NewOS::UInt32 mOriginalFirstThunk; + }; + NewOS::UInt32 mTimeDateStamp; + NewOS::UInt32 mForwarderChain; + NewOS::UInt32 mNameRva; + NewOS::UInt32 mThunkTableRva; +} ExecImportDirectory, *ExecImportDirectoryPtr; + +#define kPeStart "__hcore_subsys_start" + +#endif /* ifndef __PE__ */ diff --git a/Kernel/KernelKit/PECodeManager.hxx b/Kernel/KernelKit/PECodeManager.hxx new file mode 100644 index 00000000..0627617c --- /dev/null +++ b/Kernel/KernelKit/PECodeManager.hxx @@ -0,0 +1,24 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + + File: PECodeManager.hxx + Purpose: PE32+ Code Manager and Shared Objects. + + Revision History: + + 12/02/24: Added file (amlel) + +------------------------------------------- */ + +#pragma once + +//////////////////////////////////////////////////// + +// LAST REV: Mon Feb 12 13:52:01 CET 2024 + +//////////////////////////////////////////////////// + +#include <KernelKit/PE.hxx> +#include <NewKit/ErrorOr.hpp> +#include <NewKit/String.hpp> diff --git a/Kernel/KernelKit/PEF.hpp b/Kernel/KernelKit/PEF.hpp new file mode 100644 index 00000000..77fa4f62 --- /dev/null +++ b/Kernel/KernelKit/PEF.hpp @@ -0,0 +1,114 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + + File: PEF.hpp + Purpose: Preferred Executable Format for NewOS. + + Revision History: + + ?/?/23: Added file (amlel) + +------------------------------------------- */ + +#ifndef __PEF__ +#define __PEF__ + +#include <CompilerKit/CompilerKit.hxx> +#include <KernelKit/LoaderInterface.hpp> +#include <NewKit/Defines.hpp> + +#define kPefMagic "Joy!" +#define kPefMagicFat "yoJ!" + +#define kPefMagicLen 5 + +#define kPefVersion 1 +#define kPefNameLen 255 + +namespace NewOS +{ + enum + { + kPefArchIntel86S, + kPefArchAMD64, + kPefArchRISCV, + kPefArch64x0, /* 64x0. ISA */ + kPefArch32x0, /* 32x0. ISA */ + kPefArchPowerPC, + kPefArchCount = (kPefArchPowerPC - kPefArchIntel86S) + 1, + kPefArchInvalid = 0xFF, + }; + + enum + { + kPefSubArchAMD, + kPefSubArchIntel, + kPefSubArchARM, + kPefSubArchIBM, + }; + + enum + { + kPefKindExec = 1, /* .exe */ + kPefKindSharedObject = 2, /* .lib */ + kPefKindObject = 4, /* .obj */ + kPefKindDebug = 5, /* .dbg */ + kPefKindDriver = 6, + kPefKindCount, + }; + + typedef struct PEFContainer final + { + Char Magic[kPefMagicLen]; + UInt32 Linker; + UInt32 Version; + UInt32 Kind; + UInt32 Abi; + UInt32 Cpu; + UInt32 SubCpu; /* Cpu specific information */ + UIntPtr Start; + SizeT HdrSz; /* Size of header */ + SizeT Count; /* container header count */ + } PACKED PEFContainer; + + /* First PEFCommandHeader starts after PEFContainer */ + /* Last container is __exec_end */ + + /* PEF executable section and commands. */ + + typedef struct PEFCommandHeader final + { + Char Name[kPefNameLen]; /* container name */ + UInt32 Cpu; /* container cpu */ + UInt32 SubCpu; /* container sub-cpu */ + UInt32 Flags; /* container flags */ + UInt16 Kind; /* container kind */ + UIntPtr Offset; /* content offset */ + SizeT Size; /* content Size */ + } PACKED PEFCommandHeader; + + enum + { + kPefCode = 0xC, + kPefData = 0xD, + kPefZero = 0xE, + kPefLinkerID = 0x1, + }; +} // namespace NewOS + +#define kPefExt ".exec" +#define kPefDylibExt ".lib" +#define kPefLibExt ".slib" +#define kPefObjectExt ".obj" +#define kPefDebugExt ".dbg" + +// NewOS System Binary Interface. +#define kPefAbi (0x5046) + +#define kPefStart "__ImageStart" + +#define kPefForkKind kPefMagic +#define kPefForkKindFAT kPefMagicFat + +#endif /* ifndef __PEF__ */ diff --git a/Kernel/KernelKit/PEFCodeManager.hxx b/Kernel/KernelKit/PEFCodeManager.hxx new file mode 100644 index 00000000..1dc7c3ac --- /dev/null +++ b/Kernel/KernelKit/PEFCodeManager.hxx @@ -0,0 +1,60 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#ifndef _INC_CODE_MANAGER_PEF_ +#define _INC_CODE_MANAGER_PEF_ + +#include <KernelKit/PEF.hpp> +#include <NewKit/ErrorOr.hpp> +#include <NewKit/String.hpp> + +#define kPefApplicationMime "application/x-newos-exec" + +namespace NewOS +{ + /// + /// \name PEFLoader + /// \brief PEF loader class. + /// + class PEFLoader : public LoaderInterface + { + private: + explicit PEFLoader() = delete; + + public: + explicit PEFLoader(const VoidPtr blob); + explicit PEFLoader(const Char* path); + ~PEFLoader() override; + + public: + NEWOS_COPY_DEFAULT(PEFLoader); + + public: + const char* Path() override; + const char* FormatAsString() override; + const char* MIME() override; + + public: + ErrorOr<VoidPtr> FindStart() override; + VoidPtr FindSymbol(const char* name, Int32 kind) override; + + public: + bool IsLoaded() noexcept; + + private: + Ref<StringView> fPath; + VoidPtr fCachedBlob; + bool fFatBinary; + bool fBad; + }; + + namespace Utils + { + bool execute_from_image(PEFLoader& exec, const Int32& procKind) noexcept; + } // namespace Utils +} // namespace NewOS + +#endif // ifndef _INC_CODE_MANAGER_PEF_ diff --git a/Kernel/KernelKit/PEFSharedObject.hxx b/Kernel/KernelKit/PEFSharedObject.hxx new file mode 100644 index 00000000..436145df --- /dev/null +++ b/Kernel/KernelKit/PEFSharedObject.hxx @@ -0,0 +1,112 @@ +/* + * ======================================================== + * + * NewOS + * Copyright SoftwareLabs, all rights reserved. + * + * ======================================================== + */ + +#ifndef __KERNELKIT_SHARED_OBJECT_HXX__ +#define __KERNELKIT_SHARED_OBJECT_HXX__ + +#include <KernelKit/LoaderInterface.hpp> +#include <KernelKit/PEF.hpp> +#include <KernelKit/PEFCodeManager.hxx> +#include <NewKit/Defines.hpp> + +namespace NewOS +{ + /// @brief Pure implementation, missing method/function handler. + extern "C" void __mh_purecall(void); + + /** + * @brief Shared Library class + * Load library from this class + */ + class SharedObject final + { + public: + struct SharedObjectTrait final + { + VoidPtr fImageObject; + VoidPtr fImageEntrypointOffset; + }; + + public: + explicit SharedObject() = default; + ~SharedObject() = default; + + public: + NEWOS_COPY_DEFAULT(SharedObject); + + private: + SharedObjectTrait* fMounted{nullptr}; + + public: + SharedObjectTrait** GetAddressOf() + { + return &fMounted; + } + + SharedObjectTrait* Get() + { + return fMounted; + } + + public: + void Mount(SharedObjectTrait* to_mount) + { + if (!to_mount || !to_mount->fImageObject) + return; + + fMounted = to_mount; + + if (fLoader && to_mount) + { + delete fLoader; + fLoader = nullptr; + } + + if (!fLoader) + { + fLoader = new PEFLoader(fMounted->fImageObject); + } + } + + void Unmount() + { + if (fMounted) + fMounted = nullptr; + }; + + template <typename SymbolType> + SymbolType Load(const char* symbol_name, SizeT len, Int32 kind) + { + if (symbol_name == nullptr || *symbol_name == 0) + return nullptr; + if (len > kPathLen || len < 1) + return nullptr; + + auto ret = + reinterpret_cast<SymbolType>(fLoader->FindSymbol(symbol_name, kind)); + + if (!ret) + { + if (kind == kPefCode) + return (VoidPtr)__mh_purecall; + + return nullptr; + } + + return ret; + } + + private: + PEFLoader* fLoader{nullptr}; + }; + + typedef SharedObject* SharedObjectPtr; +} // namespace NewOS + +#endif /* ifndef __KERNELKIT_SHARED_OBJECT_HXX__ */ diff --git a/Kernel/KernelKit/PermissionSelector.hxx b/Kernel/KernelKit/PermissionSelector.hxx new file mode 100644 index 00000000..22771bdd --- /dev/null +++ b/Kernel/KernelKit/PermissionSelector.hxx @@ -0,0 +1,57 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#ifndef _INC_PERMISSION_SEL_HPP +#define _INC_PERMISSION_SEL_HPP + +#include <CompilerKit/CompilerKit.hxx> +#include <NewKit/Defines.hpp> + +// kernel mode user. +#define kMachineUser "Machine" + +// user mode users. +#define kSuperUser "Admin" +#define kGuestUser "Guest" + +// hash 'user@host:password' -> base64 encoded data +// use this data to then fetch specific data. + +namespace NewOS +{ + enum class RingKind + { + kRingUser = 3, + kRingDriver = 2, + kRingKernel = 0, + kRingUnknown = -1, + kRingCount = 4, + }; + + class PermissionSelector final + { + private: + explicit PermissionSelector(const Int32& sel); + explicit PermissionSelector(const RingKind& kind); + + ~PermissionSelector(); + + public: + NEWOS_COPY_DEFAULT(PermissionSelector) + + public: + bool operator==(const PermissionSelector& lhs); + bool operator!=(const PermissionSelector& lhs); + + public: + const RingKind& Ring() noexcept; + + private: + RingKind fRing; + }; +} // namespace NewOS + +#endif /* ifndef _INC_PERMISSION_SEL_HPP */ diff --git a/Kernel/KernelKit/ProcessScheduler.hpp b/Kernel/KernelKit/ProcessScheduler.hpp new file mode 100644 index 00000000..ba34f9cb --- /dev/null +++ b/Kernel/KernelKit/ProcessScheduler.hpp @@ -0,0 +1,301 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#ifndef __PROCESS_SCHEDULER__ +#define __PROCESS_SCHEDULER__ + +#include <ArchKit/ArchKit.hpp> +#include <KernelKit/FileManager.hpp> +#include <KernelKit/LockDelegate.hpp> +#include <KernelKit/PermissionSelector.hxx> +#include <KernelKit/UserHeap.hpp> +#include <NewKit/MutableArray.hpp> + +#define kSchedMinMicroTime AffinityKind::kHartStandard +#define kSchedInvalidPID (-1) + +#define kSchedProcessLimitPerTeam (100U) + +//////////////////////////////////////////////////// + +// LAST REV: Mon Feb 12 13:52:01 CET 2024 + +//////////////////////////////////////////////////// + +namespace NewOS +{ + class ProcessHeader; + class ProcessTeam; + class ProcessScheduler; + + //! @brief Process identifier. + typedef Int64 ProcessID; + + //! @brief Process name length. + inline constexpr SizeT kProcessLen = 256U; + + //! @brief Forward declaration. + class ProcessHeader; + class ProcessScheduler; + class ProcessHelper; + + //! @brief Process status enum. + enum class ProcessStatus : Int32 + { + kStarting, + kRunning, + kKilled, + kFrozen, + kDead + }; + + //! @brief Affinity is the amount of nano-seconds this process is going + //! to run. + enum class AffinityKind : Int32 + { + kInvalid = 300, + kVeryHigh = 250, + kHigh = 200, + kHartStandard = 150, + kLowUsage = 100, + kVeryLowUsage = 50, + }; + + // operator overloading. + + inline bool operator<(AffinityKind lhs, AffinityKind rhs) + { + Int32 lhs_int = static_cast<Int>(lhs); + Int32 rhs_int = static_cast<Int>(rhs); + + return lhs_int < rhs_int; + } + + inline bool operator>(AffinityKind lhs, AffinityKind rhs) + { + Int32 lhs_int = static_cast<Int>(lhs); + Int32 rhs_int = static_cast<Int>(rhs); + + return lhs_int > rhs_int; + } + + inline bool operator<=(AffinityKind lhs, AffinityKind rhs) + { + Int32 lhs_int = static_cast<Int>(lhs); + Int32 rhs_int = static_cast<Int>(rhs); + + return lhs_int <= rhs_int; + } + + inline bool operator>=(AffinityKind lhs, AffinityKind rhs) + { + Int32 lhs_int = static_cast<Int>(lhs); + Int32 rhs_int = static_cast<Int>(rhs); + + return lhs_int >= rhs_int; + } + + // end of operator overloading. + + enum ProcessSubsystemEnum + { + eProcessSubsystemLogin, + eProcessSubsystemNative, + eProcessSubsystemInvalid, + eProcessSubsystemCount, + }; + + using ProcessSubsystem = ProcessSubsystemEnum; + using ProcessTime = UInt64; + using PID = Int64; + + // for permission manager, tells where we run the code. + enum class ProcessSelector : Int + { + kRingUser, /* user ring (or ring 3 in x86) */ + kRingDriver, /* ring 2 in x86, hypervisor privileges in other archs */ + kRingKernel, /* machine privileges */ + }; + + // Helper types. + using ImagePtr = VoidPtr; + using HeapPtr = VoidPtr; + + // @name ProcessHeader + // @brief Process Header (PH) + // Holds information about the running process. + // Thread execution is being abstracted away. + class ProcessHeader final + { + public: + explicit ProcessHeader(VoidPtr startImage = nullptr) + : Image(startImage) + { + MUST_PASS(startImage); + } + + ~ProcessHeader() = default; + + NEWOS_COPY_DEFAULT(ProcessHeader) + + public: + void SetEntrypoint(UIntPtr& imageStart) noexcept; + + public: + Char Name[kProcessLen] = {"NewOS Process"}; + ProcessSubsystem SubSystem{ProcessSubsystem::eProcessSubsystemInvalid}; + ProcessSelector Selector{ProcessSelector::kRingUser}; + HAL::StackFramePtr StackFrame{nullptr}; + AffinityKind Affinity; + ProcessStatus Status; + + // Memory, images. + HeapPtr HeapCursor{nullptr}; + ImagePtr Image{nullptr}; + HeapPtr HeapPtr{nullptr}; + + // memory usage + SizeT UsedMemory{0}; + SizeT FreeMemory{0}; + + enum + { + kUserKind = 3, + kLibKind = 3, + kDriverKind = 0, + kKindCount, + }; + + enum + { + kRingUserKind = 3, + kRingDriverKind = 0, + }; + + ProcessTime PTime; + PID ProcessId{kSchedInvalidPID}; + Int32 Ring{kRingDriverKind}; + Int32 Kind{kUserKind}; + + public: + //! @brief boolean operator, check status. + operator bool() + { + return Status != ProcessStatus::kDead; + } + + //! @brief Crash the app, exits with code ~0. + void Crash(); + + //! @brief Exits app. + void Exit(Int32 exitCode = 0); + + //! @brief TLS Allocate + VoidPtr New(const SizeT& sz); + + //! @brief TLS Free. + Boolean Delete(VoidPtr ptr, const SizeT& sz); + + //! @brief Wakes up threads. + void Wake(const bool wakeup = false); + + // ProcessHeader getters. + public: + //! @brief ProcessHeader name getter, example: "C RunTime" + const Char* GetName(); + + const ProcessSelector& GetSelector(); + const ProcessStatus& GetStatus(); + const AffinityKind& GetAffinity(); + + private: + friend ProcessScheduler; + friend ProcessHelper; + }; + + /// \brief Processs Team (contains multiple processes inside it.) + /// Equivalent to a process batch + class ProcessTeam final + { + public: + explicit ProcessTeam() = default; + ~ProcessTeam() = default; + + NEWOS_COPY_DEFAULT(ProcessTeam); + + MutableArray<Ref<ProcessHeader>>& AsArray(); + Ref<ProcessHeader>& AsRef(); + + public: + MutableArray<Ref<ProcessHeader>> mProcessList; + Ref<ProcessHeader> mCurrentProcess; + }; + + using ProcessHeaderRef = ProcessHeader*; + + /// @brief ProcessHeader manager class. + /// The main class which you call to schedule an app. + class ProcessScheduler final + { + private: + explicit ProcessScheduler() = default; + + public: + ~ProcessScheduler() = default; + + NEWOS_COPY_DEFAULT(ProcessScheduler) + + operator bool() + { + return mTeam.AsArray().Count() > 0; + } + bool operator!() + { + return mTeam.AsArray().Count() == 0; + } + + ProcessTeam& CurrentTeam() + { + return mTeam; + } + + SizeT Add(Ref<ProcessHeader>& headerRef); + bool Remove(SizeT headerIndex); + + Ref<ProcessHeader>& GetCurrent(); + SizeT Run() noexcept; + + static Ref<ProcessScheduler> Shared(); + + private: + ProcessTeam mTeam; + }; + + /* + * Just a helper class, which contains some utilities for the scheduler. + */ + + class ProcessHelper final + { + public: + static bool Switch(HAL::StackFrame* newStack, const PID& newPid); + static bool CanBeScheduled(Ref<ProcessHeader>& process); + static PID& GetCurrentPID(); + static bool StartScheduling(); + }; + + const Int32& rt_get_exit_code() noexcept; +} // namespace NewOS + +#include <KernelKit/ThreadLocalStorage.hxx> + +//////////////////////////////////////////////////// + +// END + +//////////////////////////////////////////////////// + +#endif /* ifndef __PROCESS_SCHEDULER__ */ diff --git a/Kernel/KernelKit/SMPManager.hpp b/Kernel/KernelKit/SMPManager.hpp new file mode 100644 index 00000000..3d7a4189 --- /dev/null +++ b/Kernel/KernelKit/SMPManager.hpp @@ -0,0 +1,129 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#ifndef __SMP_MANAGER__ +#define __SMP_MANAGER__ + +#include <ArchKit/ArchKit.hpp> +#include <CompilerKit/CompilerKit.hxx> +#include <NewKit/Ref.hpp> + +// Last Rev +// Sat Feb 24 CET 2024 + +#define kMaxHarts 8 + +namespace NewOS +{ + using ThreadID = UInt32; + + enum ThreadKind + { + kHartSystemReserved, // System reserved thread, well user can't use it + kHartStandard, // user thread, cannot be used by kernel + kHartFallback, // fallback thread, cannot be used by user if not clear or + // used by kernel. + kHartBoot, // The core we booted from, the mama. + kInvalidHart, + kHartCount, + }; + + typedef enum ThreadKind SmThreadKind; + typedef ThreadID SmThreadID; + + /// + /// \name HardwareThread + /// @brief CPU Hardware Thread (POWER, x64, or 64x0) + /// + + class HardwareThread final + { + public: + explicit HardwareThread(); + ~HardwareThread(); + + public: + NEWOS_COPY_DEFAULT(HardwareThread) + + public: + operator bool(); + + public: + void Wake(const bool wakeup = false) noexcept; + void Busy(const bool busy = false) noexcept; + + public: + bool Switch(HAL::StackFrame* stack); + bool IsWakeup() noexcept; + + public: + HAL::StackFrame* StackFrame() noexcept; + const ThreadKind& Kind() noexcept; + bool IsBusy() noexcept; + const ThreadID& ID() noexcept; + + private: + HAL::StackFrame* fStack; + ThreadKind fKind; + ThreadID fID; + bool fWakeup; + bool fBusy; + Int64 fPID; + + private: + friend class SMPManager; + }; + + /// + /// \name SMPManager + /// @brief Multi processor manager to manage other cores and dispatch tasks. + /// + + class SMPManager final + { + private: + explicit SMPManager(); + + public: + ~SMPManager(); + + public: + NEWOS_COPY_DEFAULT(SMPManager); + + public: + bool Switch(HAL::StackFrame* the); + HAL::StackFramePtr GetStackFrame() noexcept; + + public: + Ref<HardwareThread> operator[](const SizeT& idx); + bool operator!() noexcept; + operator bool() noexcept; + + public: + /// @brief Shared instance of the SMP Manager. + /// @return the reference to the smp manager. + static Ref<SMPManager> Shared(); + + public: + /// @brief Returns the amount of threads present in the system. + /// @returns SizeT the amount of cores present. + SizeT Count() noexcept; + + private: + Array<HardwareThread, kMaxHarts> fThreadList; + ThreadID fCurrentThread{0}; + }; + + /// @brief wakes up thread. + /// wakes up thread from hang. + Void rt_wakeup_thread(HAL::StackFramePtr stack); + + /// @brief makes thread sleep. + /// hooks and hangs thread to prevent code from executing. + Void rt_hang_thread(HAL::StackFramePtr stack); +} // namespace NewOS + +#endif // !__SMP_MANAGER__ diff --git a/Kernel/KernelKit/Semaphore.hpp b/Kernel/KernelKit/Semaphore.hpp new file mode 100644 index 00000000..f12e1282 --- /dev/null +++ b/Kernel/KernelKit/Semaphore.hpp @@ -0,0 +1,42 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +#include <NewKit/Defines.hpp> +#include <CompilerKit/CompilerKit.hxx> + +namespace NewOS +{ + class ProcessHeader; + + typedef ProcessHeader* ProcessHeaderRef; + + /// @brief Access control class, which locks a task until one is done. + class Semaphore final + { + public: + explicit Semaphore() = default; + ~Semaphore() = default; + + public: + bool IsLocked() const; + bool Unlock() noexcept; + + public: + void Sync() noexcept; + + public: + bool Lock(ProcessHeader* process); + bool LockOrWait(ProcessHeader* process, const Int64& seconds); + + public: + NEWOS_COPY_DEFAULT(Semaphore); + + private: + ProcessHeaderRef fLockingProcess{nullptr}; + }; +} // namespace NewOS diff --git a/Kernel/KernelKit/ThreadLocalStorage.hxx b/Kernel/KernelKit/ThreadLocalStorage.hxx new file mode 100644 index 00000000..eece3cbc --- /dev/null +++ b/Kernel/KernelKit/ThreadLocalStorage.hxx @@ -0,0 +1,53 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#ifndef _KERNELKIT_TLS_HPP +#define _KERNELKIT_TLS_HPP + +#include <NewKit/Defines.hpp> + +//! @brief TLS implementation in C++ + +#define kCookieMag0 'H' +#define kCookieMag1 'C' +#define kCookieMag2 'R' + +template <typename T> +T* tls_new_ptr(void); + +template <typename T> +bool tls_delete_ptr(T* ptr); + +template <typename T, typename... Args> +T* tls_new_class(Args&&... args); + +#define kTLSCookieLen 3 + +/// @brief Thread Information Block for Local Storage. +/// Located in GS on AMD64, Virtual Address 0x10000 (64x0, 32x0, ARM64) +struct PACKED ThreadInformationBlock final +{ + NewOS::Char Cookie[kTLSCookieLen]; + NewOS::UIntPtr StartCode; // Start Address + NewOS::UIntPtr StartData; // Allocation Heap + NewOS::UIntPtr StartStack; // Stack Pointer. + NewOS::Int32 ThreadID; // Thread execution ID. +}; + +/// @brief TLS install TIB and PIB. +EXTERN_C void rt_install_tib(ThreadInformationBlock* TIB, NewOS::VoidPtr PIB); + +///! @brief Cookie Sanity check. +NewOS::Boolean tls_check_tib(ThreadInformationBlock* Ptr); + +/// @brief TLS check system call +EXTERN_C NewOS::Void tls_check_syscall_impl(NewOS::HAL::StackFramePtr StackPtr) noexcept; + +#include <KernelKit/ThreadLocalStorage.inl> + +// last rev 1/29/24 + +#endif /* ifndef _KERNELKIT_TLS_HPP */ diff --git a/Kernel/KernelKit/ThreadLocalStorage.inl b/Kernel/KernelKit/ThreadLocalStorage.inl new file mode 100644 index 00000000..ae3277eb --- /dev/null +++ b/Kernel/KernelKit/ThreadLocalStorage.inl @@ -0,0 +1,55 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +//! @brief Allocates a pointer from the process's tls. + +#ifndef __PROCESS_MANAGER__ +#include <KernelKit/ProcessScheduler.hpp> +#endif + +template <typename T> +inline T* tls_new_ptr(void) +{ + using namespace NewOS; + + MUST_PASS(ProcessScheduler::Shared().Leak().GetCurrent()); + + auto ref_process = ProcessScheduler::Shared().Leak().GetCurrent(); + + T* pointer = (T*)ref_process.Leak().New(sizeof(T)); + return pointer; +} + +//! @brief TLS delete implementation. +template <typename T> +inline bool tls_delete_ptr(T* ptr) +{ + if (!ptr) + return false; + + using namespace NewOS; + + MUST_PASS(ProcessScheduler::Shared().Leak().GetCurrent()); + + ptr->~T(); + + auto ref_process = ProcessScheduler::Shared().Leak().GetCurrent(); + return ref_process.Leak().Delete(ptr, sizeof(T)); +} + +template <typename T, typename... Args> +T* tls_new_class(Args&&... args) +{ + T* ptr = tls_new_ptr<T>(); + + if (ptr) + { + *ptr = T(NewOS::forward(args)...); + return ptr; + } + + return nullptr; +} diff --git a/Kernel/KernelKit/Timer.hpp b/Kernel/KernelKit/Timer.hpp new file mode 100644 index 00000000..8b0642c7 --- /dev/null +++ b/Kernel/KernelKit/Timer.hpp @@ -0,0 +1,64 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +#include <ArchKit/ArchKit.hpp> +#include <CompilerKit/CompilerKit.hxx> +#include <KernelKit/HError.hpp> + +namespace NewOS +{ + class HardwareTimer; + class HardwareTimerInterface; + + class HardwareTimerInterface + { + public: + /// @brief Default constructor + explicit HardwareTimerInterface() = default; + virtual ~HardwareTimerInterface() = default; + + public: + NEWOS_COPY_DEFAULT(HardwareTimerInterface); + + public: + virtual Int32 Wait() noexcept; + }; + + class HardwareTimer final : public HardwareTimerInterface + { + public: + explicit HardwareTimer(Int64 seconds); + ~HardwareTimer() override; + + public: + NEWOS_COPY_DEFAULT(HardwareTimer); + + public: + Int32 Wait() noexcept override; + + public: + IntPtr* fDigitalTimer{nullptr}; + Int64 fWaitFor{0}; + }; + + inline Int64 Seconds(Int64 time) + { + if (time < 0) + return 0; + + return 1000 / time; + } + + inline Int64 Milliseconds(Int64 time) + { + if (time < 0) + return 0; + + return 1000 / Seconds(time); + } +} // namespace NewOS diff --git a/Kernel/KernelKit/UserHeap.hpp b/Kernel/KernelKit/UserHeap.hpp new file mode 100644 index 00000000..6197e30d --- /dev/null +++ b/Kernel/KernelKit/UserHeap.hpp @@ -0,0 +1,46 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + +------------------------------------------- */ + +#pragma once + +#include <NewKit/Array.hpp> +#include <NewKit/ArrayList.hpp> +#include <NewKit/ErrorOr.hpp> +#include <NewKit/PageManager.hpp> +#include <NewKit/Ref.hpp> +#include <NewKit/Pmm.hpp> + +/// @version 5/11/23 +/// @file UserHeap.hpp +/// @brief memory heap for user programs. + +#define kUserHeapMaxSz (4096) +#define kUserHeapMag (0xFAF0FEF0) + +namespace NewOS +{ + typedef enum + { + /// @brief Driver only heap. + kUserHeapDriver = 0x2, + /// @brief Shared heap. + kUserHeapShared = 0x4, + /// @brief User and private heap. + kUserHeapUser = 0x6, + /// @brief Read and Write heap. + kUserHeapRw = 0x8, + } kUserHeapFlags; + + /// @brief Allocate a process heap, no zero out is done here. + /// @param flags + /// @return The process's heap. + VoidPtr rt_new_heap(Int32 flags); + + /// @brief Frees the process heap. + /// @param pointer The process heap pointer. + /// @return + Int32 rt_free_heap(voidPtr pointer); +} // namespace NewOS diff --git a/Kernel/KernelKit/XCOFF.hxx b/Kernel/KernelKit/XCOFF.hxx new file mode 100644 index 00000000..2b153918 --- /dev/null +++ b/Kernel/KernelKit/XCOFF.hxx @@ -0,0 +1,38 @@ +/* ------------------------------------------- + + Copyright SoftwareLabs + + File: XCOFF.hpp + Purpose: XCOFF for NewOS. + + Revision History: + + 04/07/24: Added file (amlel) + +------------------------------------------- */ + +#ifndef __XCOFF__ +#define __XCOFF__ + +#include <NewKit/Defines.hpp> + +#define kXCOFF64Magic 0x01F7 + +#define kXCOFFRelFlg 0x0001 +#define kXCOFFExecutable 0x0002 +#define kXCOFFLnno 0x0004 +#define kXCOFFLSyms 0x0008 + +/// @brief XCoff file header, meant for POWER apps. +typedef struct XCoffFileHeader +{ + NewOS::UInt16 fMagic; + NewOS::UInt16 fTarget; + NewOS::UInt16 fNumSecs; + NewOS::UInt32 fTimeDat; + NewOS::UIntPtr fSymPtr; + NewOS::UInt32 fNumSyms; + NewOS::UInt16 fOptHdr; // ?: Number of bytes in optional header +} XCoffFileHeader; + +#endif // ifndef __XCOFF__ diff --git a/Kernel/KernelKit/compile_flags.txt b/Kernel/KernelKit/compile_flags.txt new file mode 100644 index 00000000..a37ae6bf --- /dev/null +++ b/Kernel/KernelKit/compile_flags.txt @@ -0,0 +1,5 @@ +-nostdlib +-ffreestanding +-std=c++20 +-I./ +-I../ |