plat: marvell: armada: a3k: Do not modify $(WTMI_MULTI_IMG)

Rather create a temporary copy in $(BUILD_PLAT) and modify only copy.

Signed-off-by: Pali Rohár <pali@kernel.org>
Change-Id: I256c029106ea6f69faa086fc4e5bee9f68cd257f

diff --git a/plat/marvell/armada/a3k/common/a3700_common.mk b/plat/marvell/armada/a3k/common/a3700_common.mk
index 9f7dc2c67b57f5b7d6a78185d756b0908849a20d..294f9dd07d136729f58c8609d424456262617d66 100644 (file)
--- a/plat/marvell/armada/a3k/common/a3700_common.mk
+++ b/plat/marvell/armada/a3k/common/a3700_common.mk
@@ -156,8 +156,9 @@ ifeq ($(MARVELL_SECURE_BOOT),1)
        @echo -e "\n\t=======================================================\n";
        @echo -e "\t  Secure boot. Encrypting wtmi and boot-image \n";
        @echo -e "\t=======================================================\n";
-       @truncate -s %16 $(WTMI_MULTI_IMG)
-       @openssl enc -aes-256-cbc -e -in $(WTMI_MULTI_IMG) \
+       @cp $(WTMI_MULTI_IMG) $(BUILD_PLAT)/wtmi-align.bin
+       @truncate -s %16 $(BUILD_PLAT)/wtmi-align.bin
+       @openssl enc -aes-256-cbc -e -in $(BUILD_PLAT)/wtmi-align.bin \
        -out $(WTMI_ENC_IMG) \
        -K `cat $(IMAGESPATH)/aes-256.txt` -nosalt \
        -iv `cat $(IMAGESPATH)/iv.txt` -p