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-rw-r--r--include/common/bl_common.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/common/bl_common.h b/include/common/bl_common.h
index b36c9d35d..33b75f188 100644
--- a/include/common/bl_common.h
+++ b/include/common/bl_common.h
@@ -110,6 +110,26 @@
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+/*
+ * Declarations of linker defined symbols to help determine memory layout of
+ * BL images
+ */
+extern unsigned long __RO_START__;
+extern unsigned long __RO_END__;
+#if IMAGE_BL2
+extern unsigned long __BL2_END__;
+#elif IMAGE_BL31
+extern unsigned long __BL31_END__;
+#elif IMAGE_BL32
+extern unsigned long __BL32_END__;
+#endif /* IMAGE_BLX */
+
+#if USE_COHERENT_MEM
+extern unsigned long __COHERENT_RAM_START__;
+extern unsigned long __COHERENT_RAM_END__;
+#endif
+
+
/*******************************************************************************
* Structure used for telling the next BL how much of a particular type of
* memory is available for its use and how much is already used.