From f3d931aa7cfaf96baef8383b59a8938779541ee7 Mon Sep 17 00:00:00 2001 From: Amlal EL Mahrouss Date: Thu, 15 Aug 2024 18:35:34 +0200 Subject: [IMP] Moved source code into dev/ folder. Signed-off-by: Amlal EL Mahrouss --- dev/Kernel/KernelKit/ThreadLocalStorage.hxx | 59 +++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 dev/Kernel/KernelKit/ThreadLocalStorage.hxx (limited to 'dev/Kernel/KernelKit/ThreadLocalStorage.hxx') diff --git a/dev/Kernel/KernelKit/ThreadLocalStorage.hxx b/dev/Kernel/KernelKit/ThreadLocalStorage.hxx new file mode 100644 index 00000000..afc4940f --- /dev/null +++ b/dev/Kernel/KernelKit/ThreadLocalStorage.hxx @@ -0,0 +1,59 @@ +/* ------------------------------------------- + + Copyright ZKA Technologies. + +------------------------------------------- */ + +#ifndef _KERNELKIT_TLS_HPP +#define _KERNELKIT_TLS_HPP + +#include + +//! @brief TLS implementation in C++ + +#define kCookieMag0 'H' +#define kCookieMag1 'C' +#define kCookieMag2 'R' + +#define kTLSCookieLen (3U) + +struct THREAD_INFORMATION_BLOCK; + +/// @brief Thread Information Block. +/// Located in GS on AMD64, other architectures have their own stuff. (64x0, 32x0, ARM64) +struct PACKED THREAD_INFORMATION_BLOCK final +{ + Kernel::Char f_Cookie[kTLSCookieLen]; // Process cookie. + Kernel::UIntPtr f_Code; // Start address (Instruction Pointer) + Kernel::UIntPtr f_Data; // Allocated Heap for process. + Kernel::UIntPtr f_Stack; // Application Stack pointer. + Kernel::Int32 f_ID; // Thread execution ID. + Kernel::Int64 f_UsedHeapPercent; // used heap in percent. + Kernel::Int64 f_FreeHeapPercent; // heap free in percent. +}; + +///! @brief Cookie Sanity check. +Kernel::Boolean tls_check_tib(THREAD_INFORMATION_BLOCK* the_tib); + +///! @brief new ptr syscall. +template +T* tls_new_ptr(void); + +///! @brief delete ptr syscall. +template +Kernel::Boolean tls_delete_ptr(T* ptr); + +template +T* tls_new_class(Args&&... args); + +/// @brief TLS install TIB and PIB. (syscall) +EXTERN_C void rt_install_tib(THREAD_INFORMATION_BLOCK* TIB, THREAD_INFORMATION_BLOCK* PIB); + +/// @brief TLS check (syscall) +EXTERN_C Kernel::Bool tls_check_syscall_impl(Kernel::VoidPtr TIB) noexcept; + +#include + +// last rev 7/7/24 + +#endif /* ifndef _KERNELKIT_TLS_HPP */ -- cgit v1.2.3