MAJOR RESTRUCTURE

2024-12-28 21:23:58 +01:00
parent 12b07a9f70
commit 2e0b030324
81 changed files with 1168 additions and 579 deletions
@@ -0,0 +1,33 @@
+#ifndef _MEMORY_PHYSICAL_H
+#define _MEMORY_PHYSICAL_H
+
+#include <memory/addresses.h>
+#include <string.h>
+#include <stdint.h>
+
+#define BLOCK_SIZE 4096 // 4kB
+#define BLOCKS_PER_BYTE 8
+
+typedef struct smapEntry_s {
+    uint64_t baseAddress;
+    uint64_t length;
+    uint32_t type;
+    uint32_t acpiAttr;
+} __attribute__ ((packed)) smapEntry_t;
+
+extern uint32_t* memoryMap;
+extern uint32_t maxBlocks;
+extern uint32_t usedBlocks;
+
+void setBlock(uint32_t block);
+void unsetBlock(uint32_t block);
+uint8_t testBlock(uint32_t block);
+
+int32_t findFreeBlocks(uint32_t blockCount);
+void setupPhysicalMemoryManager(uint32_t startAddress, uint32_t size);
+void initMemoryRegion(uint32_t baseAddress, uint32_t size);
+void deinitMemoryRegion(uint32_t baseAddress, uint32_t size);
+void* allocBlocks(uint32_t blockCount);
+void freeBlocks(void* address, uint32_t blockCount);
+
+#endif