From 7b4bd3577a31d0f0adc7371840642791ae1567f4 Mon Sep 17 00:00:00 2001
From: Amlal <amlal.elmahrouss@icloud.com>
Date: Fri, 24 Jan 2025 10:38:36 +0100
Subject: ADD: Open version, with important changes kept out.

Signed-off-by: Amlal <amlal.elmahrouss@icloud.com>
---
 dev/Kernel/KernelKit/ThreadLocalStorage.h | 69 +++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 dev/Kernel/KernelKit/ThreadLocalStorage.h

(limited to 'dev/Kernel/KernelKit/ThreadLocalStorage.h')

diff --git a/dev/Kernel/KernelKit/ThreadLocalStorage.h b/dev/Kernel/KernelKit/ThreadLocalStorage.h
new file mode 100644
index 00000000..bce26b26
--- /dev/null
+++ b/dev/Kernel/KernelKit/ThreadLocalStorage.h
@@ -0,0 +1,69 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#ifndef KERNELKIT_TLS_H
+#define KERNELKIT_TLS_H
+
+#include <NewKit/Defines.h>
+#include <NewKit/ErrorOr.h>
+
+///! @brief Thread Local Storage for minoskrnl.
+
+#define kCookieMag0Idx 0
+#define kCookieMag1Idx 1
+#define kCookieMag2Idx 2
+
+#define kCookieMag0 'Z'
+#define kCookieMag1 'K'
+#define kCookieMag2 'A'
+
+#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	Cookie[kTLSCookieLen]{0}; //! Thread magic number.
+	Kernel::VoidPtr Record{nullptr};		  //! Thread information record.
+};
+
+///! @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 */
-- 
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