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arm-bsp/trusted-firmware-m: corstone1000: increase PS sizes

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The private authenticated variable changes increased the variables
metadata. The PS max asset size and related buffer sizes have to be
increased because of this.

Signed-off-by: Bence Balogh <bence.balogh@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>
This commit is contained in:
Bence Balogh
2024-05-22 18:03:52 +02:00
committed by Jon Mason
parent 28cc4ca37c
commit 7b6e37a4a3
2 changed files with 46 additions and 0 deletions
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45
meta-arm-bsp/recipes-bsp/trusted-firmware-m/files/corstone1000/0011-Platform-corstone1000-Increase-buffers-for-EFI-vars.patch Normal file
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@@ -0,0 +1,45 @@
From d7725e629c9ba93523589cc9d8af3186db19d4e8 Mon Sep 17 00:00:00 2001
From: Bence Balogh <bence.balogh@arm.com>
Date: Wed, 15 May 2024 22:37:51 +0200
Subject: [PATCH] Platform: corstone1000: Increase buffers for EFI vars
The UEFI variables are stored in the Protected Storage. The size of
the variables metadata have been increased so the related buffer sizes
have to be increased.
Signed-off-by: Bence Balogh <bence.balogh@arm.com>
Upstream-Status: Pending
---
.../ext/target/arm/corstone1000/config_tfm_target.h | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/platform/ext/target/arm/corstone1000/config_tfm_target.h b/platform/ext/target/arm/corstone1000/config_tfm_target.h
index 2eb0924770..6ee823a7dc 100644
--- a/platform/ext/target/arm/corstone1000/config_tfm_target.h
+++ b/platform/ext/target/arm/corstone1000/config_tfm_target.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2022, Arm Limited. All rights reserved.
+ * Copyright (c) 2022-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*
@@ -24,4 +24,15 @@
#undef ITS_MAX_ASSET_SIZE
#define ITS_MAX_ASSET_SIZE 2048
+/* The maximum asset size to be stored in the Protected Storage */
+#undef PS_MAX_ASSET_SIZE
+#define PS_MAX_ASSET_SIZE 2592
+
+/* This is needed to be able to process the EFI variables during PS writes. */
+#undef CRYPTO_ENGINE_BUF_SIZE
+#define CRYPTO_ENGINE_BUF_SIZE 0x5000
+
+/* This is also has to be increased to fit the EFI variables into the iovecs. */
+#undef CRYPTO_IOVEC_BUFFER_SIZE
+#define CRYPTO_IOVEC_BUFFER_SIZE 6000
#endif /* __CONFIG_TFM_TARGET_H__ */
--
2.25.1

1
meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-corstone1000.inc
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@@ -27,6 +27,7 @@ SRC_URI:append:corstone1000 = " \
file://0008-Platform-CS1000-Replace-OpenAMP-with-RSE_COMMS.patch \
file://0009-platform-CS1000-Increase-RSE_COMMS-buffer-size.patch \
file://0010-CC312-alignment-of-cc312-differences-between-fvp-and.patch \
file://0011-Platform-corstone1000-Increase-buffers-for-EFI-vars.patch \
"
# TF-M ships patches for external dependencies that needs to be applied