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#ifndef BASEMEM_H
#define BASEMEM_H
#ifdef ASSEMBLY
/* Must match sizeof(struct free_base_memory_header) */
#define FREE_BASEMEM_HEADER_SIZE 8
#else /* ASSEMBLY */
#include "stdint.h"
/* Structures that we use to represent a free block of base memory */
#define FREE_BLOCK_MAGIC ( ('!'<<0) + ('F'<<8) + ('R'<<16) + ('E'<<24) )
struct free_base_memory_header {
uint32_t magic;
uint32_t size_kb;
};
union free_base_memory_block {
struct free_base_memory_header header;
char bytes[1024];
};
/* Function prototypes */
extern unsigned int get_free_base_memory ( void );
extern void * alloc_base_memory ( size_t size );
extern void free_base_memory ( void *ptr, size_t size );
#endif /* ASSEMBLY */
#endif /* BASEMEM_H */
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