From aaed3d50a84505b38f81e197e700212fa22cabc7 Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Sat, 13 Jan 2007 23:38:33 +0000
Subject: Some operating systems get a nasty shock if a region of the E820 map
 seems to start on a non-page boundary.  Make life safer by rounding out our
 edited regions.

---
 src/include/gpxe/hidemem.h | 28 +++-------------------------
 1 file changed, 3 insertions(+), 25 deletions(-)

(limited to 'src/include')

diff --git a/src/include/gpxe/hidemem.h b/src/include/gpxe/hidemem.h
index 89109004c..547f88815 100644
--- a/src/include/gpxe/hidemem.h
+++ b/src/include/gpxe/hidemem.h
@@ -8,38 +8,16 @@
  *
  */
 
-/**
- * A hidden region of Etherboot
- *
- * This represents a region that will be edited out of the system's
- * memory map.
- *
- * This structure is accessed by assembly code, so must not be
- * changed.
- */
-struct hidden_region {
-	/* Physical start address */
-	physaddr_t start;
-	/* Physical end address */
-	physaddr_t end;
-};
-
 /**
  * Unique IDs for hidden regions
  */
-enum {
+enum hidemem_region_id {
 	TEXT = 0,
 	BASEMEM,
 	EXTMEM,
 };
 
-extern struct hidden_region __data16_array ( hidden_regions, [] );
-#define hidden_regions __use_data16 ( hidden_regions )
-
-static inline void hide_region ( unsigned int region,
-				 physaddr_t start, physaddr_t end ) {
-	hidden_regions[region].start = start;
-	hidden_regions[region].end = end;
-}
+extern void hide_region ( unsigned int region_id, physaddr_t start,
+			  physaddr_t end );
 
 #endif /* _GPXE_HIDEMEM_H */
-- 
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