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author | Michael Brown | 2005-05-13 15:29:15 +0200 |
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committer | Michael Brown | 2005-05-13 15:29:15 +0200 |
commit | c695c75b01c6cc99efe4ba54ebc23a9e9cdc6059 (patch) | |
tree | 591b7dbd33758b6b97ba82e2500b3e3c901d03aa | |
parent | Add realloc, since the load buffer code requires it. (diff) | |
download | ipxe-c695c75b01c6cc99efe4ba54ebc23a9e9cdc6059.tar.gz ipxe-c695c75b01c6cc99efe4ba54ebc23a9e9cdc6059.tar.xz ipxe-c695c75b01c6cc99efe4ba54ebc23a9e9cdc6059.zip |
First version
-rw-r--r-- | src/include/load_buffer.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/include/load_buffer.h b/src/include/load_buffer.h new file mode 100644 index 00000000..5aa37410 --- /dev/null +++ b/src/include/load_buffer.h @@ -0,0 +1,39 @@ +#ifndef LOAD_BUFFER_H +#define LOAD_BUFFER_H + +#include "buffer.h" + +/* + * These functions are architecture-dependent, but the interface must + * be identical between architectures. + * + */ + +/* + * Initialise a buffer suitable for loading an image. Pass in a + * pointer to an uninitialised struct buffer. + * + * Note that this function may (for example) allocate all remaining + * allocatable memory, so it must be called *after* any other code + * that might want to allocate memory (e.g. device driver + * initialisation). + * + */ +extern int init_load_buffer ( struct buffer *buffer ); + +/* + * Cut a load buffer down to size once the image has been loaded. + * This will shrink the buffer down to the size of the data contained + * within the buffer, freeing up unused memory if applicable. + * + */ +extern void trim_load_buffer ( struct buffer *buffer ); + +/* + * Finish using a load buffer, once the image has been moved into its + * target location in memory. + * + */ +extern void done_load_buffer ( struct buffer *buffer ); + +#endif /* LOAD_BUFFER_H */ |