Initial commit

src/kernel/memory_manager.h

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+#ifndef MEMORY_MANAGER_H
+#define MEMORY_MANAGER_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+// Memory Manager Configuration
+#define MEMORY_POOL_SIZE (4 * 1024 * 1024)  // 4MB pool
+#define MAX_ALLOCATIONS 1024
+#define MAX_FRAGMENTATION_SLOTS 2048
+
+// Allocation block metadata
+typedef struct {
+    void *address;
+    size_t size;
+    bool allocated;
+    uint32_t allocation_id;
+    uint32_t timestamp;
+} MemBlock;
+
+// Memory statistics
+typedef struct {
+    size_t total_memory;
+    size_t used_memory;
+    size_t available_memory;
+    size_t allocated_blocks;
+    size_t free_blocks;
+    size_t largest_free_block;
+    size_t smallest_free_block;
+    size_t fragmentation_percent;
+    size_t peak_memory_used;
+} MemStats;
+
+// Public API
+void memory_manager_init(void);
+
+// Allocation/Deallocation
+void* kmalloc(size_t size);
+void kfree(void *ptr);
+void* krealloc(void *ptr, size_t new_size);
+
+// Statistics and Information
+MemStats memory_get_stats(void);
+void memory_print_stats(void);
+void memory_print_detailed(void);
+
+void memory_validate(void);
+void memory_dump_blocks(void);
+
+// Internal utilities
+size_t memory_get_peak_usage(void);
+void memory_reset_peak(void);
+bool memory_is_valid_ptr(void *ptr);
+
+#endif // MEMORY_MANAGER_H