Merge pull request #81 from nekernel-org/dev

feat! breaking changes on kernel sources.

1 files changed, 68 insertions, 0 deletions

diff --git a/src/kernel/KernelKit/ThreadLocalStorage.h b/src/kernel/KernelKit/ThreadLocalStorage.h
new file mode 100644
index 00000000..205d6df9
--- /dev/null
+++ b/src/kernel/KernelKit/ThreadLocalStorage.h
@@ -0,0 +1,68 @@
+/* ========================================
+
+  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
+
+======================================== */
+
+#ifndef KERNELKIT_TLS_H
+#define KERNELKIT_TLS_H
+
+#include <NeKit/Defines.h>
+#include <NeKit/ErrorOr.h>
+
+///! @brief Thread Local Storage for NeKernel.
+
+#define kCookieMag0Idx (0U)
+#define kCookieMag1Idx (1U)
+#define kCookieMag2Idx (2U)
+
+#define kCookieMag0 'N'
+#define kCookieMag1 'K'
+#define kCookieMag2 'O'
+
+#define kCookieMagLen (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    Cookie[kCookieMagLen]{0};  //! Thread Magic Number.
+  Kernel::VoidPtr UserData{nullptr};  //! Thread Information Record (User defined canary structure)
+};
+
+///! @brief Cookie Sanity check.
+Kernel::Boolean tls_check_tib(THREAD_INFORMATION_BLOCK* the_tib);
+
+///! @brief new ptr syscall.
+template <typename T>
+T* tls_new_ptr(void) noexcept;
+
+///! @brief delete ptr syscall.
+template <typename T>
+Kernel::Boolean tls_delete_ptr(T* ptr) noexcept;
+
+//! @brief Delete process pointer.
+//! @param obj The pointer to delete.
+template <typename T>
+inline Kernel::Bool tls_delete_ptr(Kernel::ErrorOr<T> obj) noexcept;
+
+//! @brief Delete process pointer.
+//! @param obj The pointer to delete.
+template <typename T>
+inline Kernel::Bool tls_delete_ptr(Kernel::ErrorOr<T*> obj) noexcept;
+
+template <typename T, typename... Args>
+T* tls_new_class(Args&&... args);
+
+/// @brief TLS install TIB and PIB. (syscall)
+EXTERN_C Kernel::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 <KernelKit/ThreadLocalStorage.inl>
+
+// last rev 7/7/24
+
+#endif /* ifndef KERNELKIT_TLS_H */