meta(kernel): Reworked repository's filesystem structure.

Removing useless parts of the project too.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>

1 files changed, 91 insertions, 0 deletions

diff --git a/dev/kernel/HALKit/ARM64/Processor.h b/dev/kernel/HALKit/ARM64/Processor.h
new file mode 100644
index 00000000..940cfbe9
--- /dev/null
+++ b/dev/kernel/HALKit/ARM64/Processor.h
@@ -0,0 +1,91 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <NewKit/Array.h>
+#include <NewKit/Defines.h>
+#include <NewKit/Utils.h>
+#include <FirmwareKit/Handover.h>
+
+#define kCPUBackendName "ARMv8"
+
+namespace NeOS::HAL
+{
+	struct PACKED Register64 final
+	{
+		UShort	Limit;
+		UIntPtr Base;
+	};
+
+	/// @brief Memory Manager mapping flags.
+	enum
+	{
+		kMMFlagsPresent = 1 << 0,
+		kMMFlagsWr		= 1 << 1,
+		kMMFlagsUser	= 1 << 2,
+		kMMFlagsNX		= 1 << 3,
+		kMMFlagsCount	= 3,
+	};
+
+	/// @brief Set a PTE from pd_base.
+	/// @param virt_addr a valid virtual address.
+	/// @param phys_addr point to physical address.
+	/// @param flags the flags to put on the page.
+	/// @return Status code of page manip.
+	EXTERN_C Int32 mm_map_page(VoidPtr virtual_address, VoidPtr physical_address, UInt32 flags);
+
+	typedef UIntPtr	   Reg;
+	typedef Register64 Register;
+
+	/// @note let's keep the same name as AMD64 HAL.
+	struct PACKED StackFrame final
+	{
+		Reg R8{0};
+		Reg R9{0};
+		Reg R10{0};
+		Reg R11{0};
+		Reg R12{0};
+		Reg R13{0};
+		Reg R14{0};
+		Reg R15{0};
+		Reg SP{0};
+		Reg BP{0};
+	};
+
+	typedef StackFrame* StackFramePtr;
+
+	inline Void rt_halt() noexcept
+	{
+		while (Yes)
+		{
+		}
+	}
+
+	template <typename DataKind>
+	inline void hal_dma_write(UIntPtr address, DataKind value)
+	{
+		*reinterpret_cast<volatile DataKind*>(address) = value;
+	}
+
+	template <typename DataKind>
+	inline DataKind hal_dma_read(UIntPtr address)
+	{
+		return *reinterpret_cast<volatile DataKind*>(address);
+	}
+
+	inline Void hal_wfi(Void)
+	{
+		asm volatile("wfi");
+	}
+} // namespace NeOS::HAL
+
+inline NeOS::VoidPtr kKernelBitMpStart = nullptr;
+inline NeOS::UIntPtr kKernelBitMpSize  = 0UL;
+
+inline NeOS::VoidPtr kKernelPhysicalStart = nullptr;
+
+#include <HALKit/ARM64/Paging.h>