Update buffer-handling code to enable expandable buffers.

1 files changed, 0 insertions, 69 deletions

diff --git a/src/arch/i386/core/load_buffer.c b/src/arch/i386/core/load_buffer.c
deleted file mode 100644
index 3e34d2b53..000000000
--- a/src/arch/i386/core/load_buffer.c
+++ /dev/null
@@ -1,69 +0,0 @@
-#include "io.h"
-#include "load_buffer.h"
-
-/*
- * Initialise a buffer in an unused portion of memory, to be used for
- * loading an image
- *
- */
-
-#ifdef KEEP_IT_REAL
-
-/*
- * Under KEEP_IT_REAL, always use 07c0:0000 as the load buffer.
- *
- */
-
-int init_load_buffer ( struct buffer *buffer ) {
-	buffer->start = 0x7c00;
-	buffer->end = 0xa0000;
-	DBG ( "LOAD_BUFFER using [%x,%x)\n", buffer->start, buffer->end );
-	init_buffer ( buffer );
-	return 1;
-}
-
-void trim_load_buffer ( struct buffer *buffer ) {
-	/* Nothing to do */
-}
-
-void done_load_buffer ( struct buffer *buffer ) {
-	/* Nothing to do */
-}
-
-#else /* KEEP_IT_REAL */
-
-/*
- * Without KEEP_IT_REAL, use all remaining heap space as the load buffer.
- *
- */
-int init_load_buffer ( struct buffer *buffer ) {
-	void *data;
-	size_t size;
-	
-	data = emalloc_all ( &size );
-	if ( ! data )
-		return 0;
-
-	buffer->start = virt_to_phys ( data );
-	buffer->end = buffer->start + size;
-	DBG ( "LOAD_BUFFER using [%x,%x)\n", buffer->start, buffer->end );
-	init_buffer ( buffer );
-	return 1;
-}
-
-void trim_load_buffer ( struct buffer *buffer ) {
-	void *new_start;
-
-	/* Shrink buffer */
-	new_start = erealloc ( phys_to_virt ( buffer->start ), buffer->fill );
-	DBG ( "LOAD_BUFFER shrunk from [%x,%x) to [%x,%x)\n", buffer->start,
-	      buffer->end, virt_to_phys ( new_start ), buffer->end );
-	buffer->start = virt_to_phys ( new_start );
-}
-
-void done_load_buffer ( struct buffer *buffer ) {
-	efree ( phys_to_virt ( buffer->start ) );
-	DBG ( "LOAD_BUFFER freed [%x,%x)\n", buffer->start, buffer->end );
-}
-
-#endif