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Need to provide sizeof(struct free_base_memory_header) to assembly code.

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Michael Brown 2005-04-09 16:13:19 +00:00
parent 90cf689810
commit 97ced37c71
1 changed files with 23 additions and 0 deletions
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23
src/arch/i386/include/basemem.h
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@ -1,10 +1,33 @@
#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;
char bytes[1024];
};
/* Function prototypes */
extern uint32_t 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 */