From 09dd11ddf800898c00ecb04a65fb5cd10fb481fa Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Date: Wed, 8 May 2024 12:32:41 +0200
Subject: MHR-23: :boom: changes, reworked project tree.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
---
 Private/HALKit/AMD64/HalPageAlloc.cpp | 103 ----------------------------------
 1 file changed, 103 deletions(-)
 delete mode 100644 Private/HALKit/AMD64/HalPageAlloc.cpp

(limited to 'Private/HALKit/AMD64/HalPageAlloc.cpp')

diff --git a/Private/HALKit/AMD64/HalPageAlloc.cpp b/Private/HALKit/AMD64/HalPageAlloc.cpp
deleted file mode 100644
index abf340f2..00000000
--- a/Private/HALKit/AMD64/HalPageAlloc.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-/* -------------------------------------------
-
-    Copyright Mahrouss Logic
-
-------------------------------------------- */
-
-#include <ArchKit/ArchKit.hpp>
-#include <HALKit/AMD64/HalPageAlloc.hpp>
-#include <NewKit/Defines.hpp>
-#include <NewKit/KernelCheck.hpp>
-
-STATIC NewOS::Boolean kAllocationInProgress = false;
-
-namespace NewOS
-{
-	namespace HAL
-	{
-		namespace Detail
-		{
-			struct VirtualMemoryHeader
-			{
-				UInt32	Magic;
-				Boolean Present;
-				Boolean ReadWrite;
-				Boolean User;
-				SizeT	PageSize;
-			};
-
-			struct VirtualMemoryHeaderTraits
-			{
-				/// @brief Get next header.
-				/// @param current
-				/// @return
-				VirtualMemoryHeader* Next(VirtualMemoryHeader* current)
-				{
-					return current + sizeof(PTE) + current->PageSize;
-				}
-
-				/// @brief Get previous header.
-				/// @param current
-				/// @return
-				VirtualMemoryHeader* Prev(VirtualMemoryHeader* current)
-				{
-					return current - sizeof(PTE) - current->PageSize;
-				}
-			};
-		} // namespace Detail
-
-		/// @brief Allocates a new page of memory.
-		/// @param sz the size of it.
-		/// @param rw read/write flag.
-		/// @param user user flag.
-		/// @return the page table of it.
-		STATIC auto hal_try_alloc_new_page(Boolean rw, Boolean user, SizeT size) -> VoidPtr
-		{
-			if (kAllocationInProgress)
-				return nullptr;
-
-			kAllocationInProgress = true;
-
-			constexpr auto cVMTMagic = 0xDEEFD00D;
-
-			///! fetch from the start.
-			Detail::VirtualMemoryHeader*	  vmHeader = reinterpret_cast<Detail::VirtualMemoryHeader*>(kKernelVirtualStart);
-			Detail::VirtualMemoryHeaderTraits traits;
-
-			while (vmHeader->Present &&
-				   vmHeader->Magic != cVMTMagic)
-			{
-				vmHeader = traits.Next(vmHeader);
-			}
-
-			vmHeader->Magic		= cVMTMagic;
-			vmHeader->Present	= true;
-			vmHeader->ReadWrite = rw;
-			vmHeader->User		= user;
-			vmHeader->PageSize	= size;
-
-			kAllocationInProgress = false;
-
-			return reinterpret_cast<VoidPtr>(vmHeader);
-		}
-
-		/// @brief Allocate a new page to be used by the OS.
-		/// @param rw read/write bit.
-		/// @param user user bit.
-		/// @return
-		auto hal_alloc_page(Boolean rw, Boolean user, SizeT size) -> VoidPtr
-		{
-			/// Wait for a ongoing allocation to complete.
-			while (kAllocationInProgress)
-			{
-				;
-			}
-
-			if (size == 0)
-				++size;
-
-			/// allocate new page.
-			return hal_try_alloc_new_page(rw, user, size);
-		}
-	} // namespace HAL
-} // namespace NewOS
-- 
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