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#ifndef _IPXE_UMALLOC_H
#define _IPXE_UMALLOC_H
/**
* @file
*
* User memory allocation
*
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <stddef.h>
#include <ipxe/api.h>
#include <ipxe/malloc.h>
#include <config/umalloc.h>
/**
* Provide a user memory allocation API implementation
*
* @v _prefix Subsystem prefix
* @v _api_func API function
* @v _func Implementing function
*/
#define PROVIDE_UMALLOC( _subsys, _api_func, _func ) \
PROVIDE_SINGLE_API ( UMALLOC_PREFIX_ ## _subsys, _api_func, _func )
/* Include all architecture-independent I/O API headers */
#include <ipxe/uheap.h>
#include <ipxe/efi/efi_umalloc.h>
#include <ipxe/linux/linux_umalloc.h>
/* Include all architecture-dependent I/O API headers */
#include <bits/umalloc.h>
/**
* Reallocate external memory
*
* @v old_ptr Memory previously allocated by umalloc(), or NULL
* @v new_size Requested size
* @ret new_ptr Allocated memory, or NULL
*
* Calling realloc() with a new size of zero is a valid way to free a
* memory block.
*/
void * urealloc ( void *ptr, size_t new_size );
/**
* Allocate external memory
*
* @v size Requested size
* @ret ptr Memory, or NULL
*
* Memory is guaranteed to be aligned to a page boundary.
*/
static inline __always_inline void * umalloc ( size_t size ) {
return urealloc ( NULL, size );
}
/**
* Free external memory
*
* @v ptr Memory allocated by umalloc(), or NULL
*
* If @c ptr is NULL, no action is taken.
*/
static inline __always_inline void ufree ( void *ptr ) {
urealloc ( ptr, 0 );
}
#endif /* _IPXE_UMALLOC_H */
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