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-rw-r--r--src/arch/arm64/include/arch/memlayout.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/arch/arm64/include/arch/memlayout.h b/src/arch/arm64/include/arch/memlayout.h
index 7fce9aa2f8..a3fdd66e4f 100644
--- a/src/arch/arm64/include/arch/memlayout.h
+++ b/src/arch/arm64/include/arch/memlayout.h
@@ -37,4 +37,8 @@
REGION(stack, addr, size, 16) \
_ = ASSERT(size >= 2K, "stack should be >= 2K, see toolchain.inc");
+#define BL31(addr, size) \
+ REGION(bl31, addr, size, 4K) \
+ _ = ASSERT(size % 4K == 0, "BL31 size must be divisible by 4K!");
+
#endif /* __ARCH_MEMLAYOUT_H */