[memmap] Remove now-obsolete get_memmap()

All memory map users have been updated to use the new system memory
map API.  Remove get_memmap() and its associated definitions.

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/core/memmap.c

@@ -111,29 +111,5 @@ void memmap_update_used ( struct memmap_region *region ) {
 	}
 }
 
-/**
- * Get legacy system memory map
- *
- * @v memmap		Legacy memory map to fill in
- */
-void get_memmap ( struct memory_map *memmap ) {
-	struct memmap_region region;
-	struct memory_region *usable;
-
-	/* Clear legacy memory map */
-	memmap->count = 0;
-
-	/* Populate legacy memory map */
-	for_each_memmap ( &region, 1 ) {
-		if ( memmap_is_usable ( &region ) ) {
-			usable = &memmap->regions[memmap->count++];
-			usable->start = region.addr;
-			usable->end = ( region.last + 1 );
-			if ( memmap->count == MAX_MEMORY_REGIONS )
-				break;
-		}
-	}
-}
-
 PROVIDE_MEMMAP_INLINE ( null, memmap_describe );
 PROVIDE_MEMMAP_INLINE ( null, memmap_sync );

src/include/ipxe/io.h

@@ -484,30 +484,4 @@ void mb ( void );
 #define rmb()	mb()
 #define wmb()	mb()
 
-/** A usable memory region */
-struct memory_region {
-	/** Physical start address */
-	uint64_t start;
-	/** Physical end address */
-	uint64_t end;
-};
-
-/** Maximum number of memory regions we expect to encounter */
-#define MAX_MEMORY_REGIONS 8
-
-/** A memory map */
-struct memory_map {
-	/** Memory regions */
-	struct memory_region regions[MAX_MEMORY_REGIONS];
-	/** Number of used regions */
-	unsigned int count;
-};
-
-/**
- * Get memory map
- *
- * @v memmap		Memory map to fill in
- */
-void get_memmap ( struct memory_map *memmap );
-
 #endif /* _IPXE_IO_H */