MHR-36: A set of major fixes for bootloader and kernel alongside new

implementations.

- Implement realloc for kernel scheduler improvements.
- Fixed readAll on bootloader's BFileReader.
- Add resources for zeta installation.
- Add STB header.
- Process Heap which replaced the previous User Heap.

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

1 files changed, 44 insertions, 0 deletions

diff --git a/Kernel/KernelKit/ProcessHeap.hpp b/Kernel/KernelKit/ProcessHeap.hpp
new file mode 100644
index 00000000..0682d969
--- /dev/null
+++ b/Kernel/KernelKit/ProcessHeap.hpp
@@ -0,0 +1,44 @@
+/* -------------------------------------------
+
+	Copyright Zeta Electronics Corporation
+
+------------------------------------------- */
+
+#pragma once
+
+#include <NewKit/Array.hpp>
+#include <NewKit/ArrayList.hpp>
+#include <NewKit/ErrorOr.hpp>
+#include <NewKit/PageManager.hpp>
+#include <NewKit/Ref.hpp>
+#include <NewKit/Pmm.hpp>
+
+/// @version 5/11/23
+/// @file ProcessHeap.hpp
+/// @brief memory heap for user processes.
+
+#define kUserHeapMaxSz (4096)
+#define kUserHeapMag   (0xFAF0FEF0)
+
+namespace Kernel
+{
+	typedef enum
+	{
+		/// @brief Shared heap.
+		kUserHeapShared = 0x4,
+		/// @brief User and private heap.
+		kUserHeapUser = 0x6,
+		/// @brief Read and Write heap.
+		kUserHeapRw = 0x8,
+	} kUserHeapFlags;
+
+	/// @brief Allocate a process heap, no zero out is done here.
+	/// @param flags
+	/// @return The process's heap.
+	VoidPtr rt_new_heap(Int32 flags);
+
+	/// @brief Frees the process heap.
+	/// @param pointer The process heap pointer.
+	/// @return
+	Int32 rt_free_heap(voidPtr pointer);
+} // namespace Kernel