From 36b8e46de0e92aff31664470bb3587a91517ab99 Mon Sep 17 00:00:00 2001 From: Amlal EL Mahrouss Date: Thu, 3 Oct 2024 05:32:46 +0200 Subject: IMP: Fixes improvements and new APIs and implementations. - Add more threading API calls. - Moved /dev/zka/modules/ to /dev/modules/. - Add APM API inside /dev/modules. - Add SInt{x} types inside Defines.hxx. - Fix formatting inside PRM. Signed-off-by: Amlal EL Mahrouss --- dev/modules/ACPI/ACPI.hxx | 88 +++++++++++++++++++++++++++++++ dev/modules/ACPI/ACPIFactoryInterface.hxx | 60 +++++++++++++++++++++ 2 files changed, 148 insertions(+) create mode 100644 dev/modules/ACPI/ACPI.hxx create mode 100644 dev/modules/ACPI/ACPIFactoryInterface.hxx (limited to 'dev/modules/ACPI') diff --git a/dev/modules/ACPI/ACPI.hxx b/dev/modules/ACPI/ACPI.hxx new file mode 100644 index 00000000..00ba4f9e --- /dev/null +++ b/dev/modules/ACPI/ACPI.hxx @@ -0,0 +1,88 @@ +/* ------------------------------------------- + + Copyright ZKA Technologies. + +------------------------------------------- */ + +#ifndef __ACPI__ +#define __ACPI__ + +/** + https://uefi.org/specs/ACPI/6.5/05_ACPI_Software_Programming_Model.html +*/ + +#include + +namespace Kernel +{ + class PACKED SDT + { + public: + Char Signature[4]; + UInt32 Length; + UInt8 Revision; + Char Checksum; + Char OemId[6]; + Char OemTableId[8]; + UInt32 OemRev; + UInt32 CreatorID; + UInt32 CreatorRevision; + }; + + class PACKED RSDP : public SDT + { + public: + UInt32 RsdtAddress; + UIntPtr XsdtAddress; + UInt8 ExtendedChecksum; + UInt8 Reserved0[3]; + }; + + class PACKED ConfigHeader + { + public: + UInt64 BaseAddress; + UInt16 PciSegGroup; + UInt8 StartBus; + UInt8 EndBus; + UInt32 Reserved; + }; + + enum ACPI_ADDRESS_SPACE_KIND : UInt8 + { + eSystemMemory = 0, + eSystemIO = 1, + ePci = 2, + eController = 3, + eSmBus = 4, + eCount = 5, + eInvalid = 0xFF, + }; + + class PACKED ACPI_ADDRESS final + { + public: + UInt8 AddressSpaceId; + UInt8 RegisterBitWidth; + UInt8 RegisterBitOffset; + UInt8 Reserved; + UIntPtr Address; + }; + + class PACKED RSDT final + { + public: + Char Signature[4]; + UInt32 Length; + UInt8 Revision; + Char Checksum; + Char OemId[6]; + Char OemTableId[8]; + UInt32 OemRev; + UInt32 CreatorID; + UInt32 CreatorRevision; + UInt32 AddressArr[]; + }; +} // namespace Kernel + +#endif // !__ACPI__ diff --git a/dev/modules/ACPI/ACPIFactoryInterface.hxx b/dev/modules/ACPI/ACPIFactoryInterface.hxx new file mode 100644 index 00000000..3d16d5a1 --- /dev/null +++ b/dev/modules/ACPI/ACPIFactoryInterface.hxx @@ -0,0 +1,60 @@ +/* ------------------------------------------- + + Copyright ZKA Technologies. + +------------------------------------------- */ + +#ifndef __MOD_ACPI_HXX__ +#define __MOD_ACPI_HXX__ + +#include +#include +#include +#include +#include + +namespace Kernel +{ + class ACPIFactoryInterface; + + typedef ACPIFactoryInterface PowerFactoryInterface; + + class ACPIFactoryInterface final + { + public: + explicit ACPIFactoryInterface(voidPtr rsdPtr); + ~ACPIFactoryInterface() = default; + + ACPIFactoryInterface& operator=(const ACPIFactoryInterface&) = default; + ACPIFactoryInterface(const ACPIFactoryInterface&) = default; + + public: + Void Shutdown(); // shutdown + Void Reboot(); // soft-reboot + + public: + /// @brief Descriptor find factory. + /// @param signature The signature of the descriptor table (MADT, ACPI...) + /// @return the blob inside an ErrorOr object. + ErrorOr Find(const Char* signature); + + /// @brief Checksum factory. + /// @param checksum the data to checksum + /// @param len it's size + /// @return if it succeed + bool Checksum(const Char* checksum, SSizeT len); // watch for collides! + + public: + ErrorOr operator[](const Char* signature) + { + return this->Find(signature); + } + + private: + VoidPtr fRsdp; // pointer to root descriptor. + SSizeT fEntries; // number of entries, -1 tells that no invalid entries were + // found. + }; +} // namespace Kernel + +#endif // !__MOD_ACPI_HXX__ -- cgit v1.2.3