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-rw-r--r--src/include/bootloader/bootloaderif.H6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/include/bootloader/bootloaderif.H b/src/include/bootloader/bootloaderif.H
index dd1c3a8ff..25b3520e8 100644
--- a/src/include/bootloader/bootloaderif.H
+++ b/src/include/bootloader/bootloaderif.H
@@ -40,11 +40,13 @@ namespace Bootloader{
// Size of exception vector reserved space at start of the HBBL section
#define HBBL_EXCEPTION_VECTOR_SIZE (12 * KILOBYTE)
+#define MAX_HBB_SIZE (512 * KILOBYTE)
+
// The Bootloader to Hostboot communication area exists after the working HBB
#ifdef BOOTLOADER
-#define BLTOHB_COMM_DATA_ADDR (getHRMOR() - ( 2*MEGABYTE) + 512*KILOBYTE)
+#define BLTOHB_COMM_DATA_ADDR (getHRMOR() - ( 2*MEGABYTE) + MAX_HBB_SIZE)
#else
-#define BLTOHB_COMM_DATA_ADDR (getHRMOR() + 512*KILOBYTE)
+#define BLTOHB_COMM_DATA_ADDR (getHRMOR() + MAX_HBB_SIZE)
#endif
// Expected BlToHbData eye catch
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