meta-arm/meta-arm-bsp/recipes-bsp/trusted-firmware-m/files/corstone1000/0001-Platform-corstone1000-make-sure-to-write-fwu-metadata-to-repl.patch

From 0ee6842d348e206d511ec89a7ff5b29a6f325456 Mon Sep 17 00:00:00 2001
From: Rui Miguel Silva <rui.silva@linaro.org>
Date: Sun, 29 Jan 2023 19:01:08 +0000
Subject: [PATCH] corstone1000: make sure to write fwu metadata to replica 2

u-boot and other, before using fwu metadata validate if
the copies in both replicas are good. so, make sure
we write fwu metadata in both replicas.

Upstream-Status: Submitted [https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/20550]
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
---
 .../arm/corstone1000/fw_update_agent/fwu_agent.c   | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/platform/ext/target/arm/corstone1000/fw_update_agent/fwu_agent.c b/platform/ext/target/arm/corstone1000/fw_update_agent/fwu_agent.c
index e1fa297ac923..215902ce71b9 100644
--- a/platform/ext/target/arm/corstone1000/fw_update_agent/fwu_agent.c
+++ b/platform/ext/target/arm/corstone1000/fw_update_agent/fwu_agent.c
@@ -238,6 +238,20 @@ static enum fwu_agent_error_t metadata_write(
         return FWU_AGENT_ERROR;
     }
 
+    FWU_LOG_MSG("%s: enter: flash addr = %u, size = %d\n\r", __func__,
+                  FWU_METADATA_REPLICA_2_OFFSET, sizeof(struct fwu_metadata));
+
+    ret = FWU_METADATA_FLASH_DEV.EraseSector(FWU_METADATA_REPLICA_2_OFFSET);
+    if (ret != ARM_DRIVER_OK) {
+        return FWU_AGENT_ERROR;
+    }
+
+    ret = FWU_METADATA_FLASH_DEV.ProgramData(FWU_METADATA_REPLICA_2_OFFSET,
+                                p_metadata, sizeof(struct fwu_metadata));
+    if (ret < 0 || ret != sizeof(struct fwu_metadata)) {
+        return FWU_AGENT_ERROR;
+    }
+
     FWU_LOG_MSG("%s: success: active = %u, previous = %d\n\r", __func__,
                   p_metadata->active_index, p_metadata->previous_active_index);
     return FWU_AGENT_SUCCESS;
-- 
2.39.1