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-rw-r--r--src/arch/x86/boot/cbmem.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/arch/x86/boot/cbmem.c b/src/arch/x86/boot/cbmem.c
index 6a1226368e..bdc695c85d 100644
--- a/src/arch/x86/boot/cbmem.c
+++ b/src/arch/x86/boot/cbmem.c
@@ -55,4 +55,12 @@ unsigned long __attribute__((weak)) get_top_of_ram(void)
}
#endif /* !__PRE_RAM__ */
-#endif
+#else
+
+void *cbmem_top(void)
+{
+ /* Top of cbmem is at lowest usable DRAM address below 4GiB. */
+ return (void *)get_top_of_ram();
+}
+
+#endif /* DYNAMIC_CBMEM */