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Diffstat (limited to 'NewKernel/KernelKit/ThreadLocalStorage.hxx')
| -rw-r--r-- | NewKernel/KernelKit/ThreadLocalStorage.hxx | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/NewKernel/KernelKit/ThreadLocalStorage.hxx b/NewKernel/KernelKit/ThreadLocalStorage.hxx new file mode 100644 index 00000000..8072b867 --- /dev/null +++ b/NewKernel/KernelKit/ThreadLocalStorage.hxx @@ -0,0 +1,53 @@ +/* ------------------------------------------- + + Copyright Mahrouss Logic + +------------------------------------------- */ + +#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 */ |
