Create BL stage specific translation tables
This patch uses the IMAGE_BL<x> constants to create translation tables specific
to a boot loader stage. This allows each stage to create mappings only for areas
in the memory map that it needs.
Fixes ARM-software/tf-issues#209
Change-Id: Ie4861407ddf9317f0fb890fc7575eaa88d0de51c
diff --git a/include/lib/aarch64/xlat_tables.h b/include/lib/aarch64/xlat_tables.h
index 2d4a211..0b5dbdf 100644
--- a/include/lib/aarch64/xlat_tables.h
+++ b/include/lib/aarch64/xlat_tables.h
@@ -41,6 +41,16 @@
#ifndef __ASSEMBLY__
#include <stdint.h>
+/* Helper macro to define entries for mmap_region_t. It creates
+ * identity mappings for each region.
+ */
+#define MAP_REGION_FLAT(adr, sz, attr) MAP_REGION(adr, adr, sz, attr)
+
+/* Helper macro to define entries for mmap_region_t. It allows to
+ * re-map address mappings from 'pa' to 'va' for each region.
+ */
+#define MAP_REGION(pa, va, sz, attr) {(pa), (va), (sz), (attr)}
+
/*
* Flags for building up memory mapping attributes.
* These are organised so that a clear bit gives a more restrictive mapping