40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
#ifndef LOAD_BUFFER_H
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#define LOAD_BUFFER_H
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#include "buffer.h"
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/*
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* These functions are architecture-dependent, but the interface must
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* be identical between architectures.
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*
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*/
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/*
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* Initialise a buffer suitable for loading an image. Pass in a
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* pointer to an uninitialised struct buffer.
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*
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* Note that this function may (for example) allocate all remaining
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* allocatable memory, so it must be called *after* any other code
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* that might want to allocate memory (e.g. device driver
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* initialisation).
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*
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*/
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extern int init_load_buffer ( struct buffer *buffer );
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/*
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* Cut a load buffer down to size once the image has been loaded.
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* This will shrink the buffer down to the size of the data contained
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* within the buffer, freeing up unused memory if applicable.
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*
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*/
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extern void trim_load_buffer ( struct buffer *buffer );
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/*
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* Finish using a load buffer, once the image has been moved into its
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* target location in memory.
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*
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*/
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extern void done_load_buffer ( struct buffer *buffer );
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#endif /* LOAD_BUFFER_H */
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