diff mbox series

[1/3] arm-bsp/corstone1000-flash-firmware-image: add nopt generation

Message ID 20240416161446.217376-2-bence.balogh@arm.com
State New
Headers show
Series Use U-Boot tools for capsule generation | expand

Commit Message

bence.balogh@arm.com April 16, 2024, 4:14 p.m. UTC 
From: Bence Balogh <bence.balogh@arm.com>

The .nopt image is used during the UEFI Update Capsule generation.
This .nopt image was generated manually when it was needed.

Signed-off-by: Bence Balogh <bence.balogh@arm.com>
---
 .../images/corstone1000-flash-firmware-image.bb | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
diff mbox series

Patch

diff --git a/meta-arm-bsp/recipes-bsp/images/corstone1000-flash-firmware-image.bb b/meta-arm-bsp/recipes-bsp/images/corstone1000-flash-firmware-image.bb
index 73fc1766..5238d1d3 100644
--- a/meta-arm-bsp/recipes-bsp/images/corstone1000-flash-firmware-image.bb
+++ b/meta-arm-bsp/recipes-bsp/images/corstone1000-flash-firmware-image.bb
@@ -38,6 +38,11 @@  RE_LAYOUT_WRAPPER_VERSION = "0.0.7"
 TFM_SIGN_PRIVATE_KEY = "${libdir}/tfm-scripts/root-RSA-3072_1.pem"
 RE_IMAGE_OFFSET = "0x1000"
 
+# Offsets for the .nopt image generation
+TFM_OFFSET = "102400"
+FIP_OFFSET = "479232"
+KERNEL_OFFSET = "2576384"
+
 do_sign_images() {
     # Sign TF-A BL2
     sign_host_image ${RECIPE_SYSROOT}/firmware/${TFA_BL2_BINARY} \
@@ -56,3 +61,15 @@  do_sign_images() {
 do_sign_images[depends] = "\
     fiptool-native:do_populate_sysroot \
     "
+
+# This .nopt image is not the same as the one which is generated by meta-arm/meta-arm/classes/wic_nopt.bbclass.
+# The meta-arm/meta-arm/classes/wic_nopt.bbclass removes the partition table from the wic image, but keeps the
+# second bank. This function creates a no-partition image with only the first bank.
+create_nopt_image() {
+    dd conv=notrunc bs=1 if=${DEPLOY_DIR_IMAGE}/bl2_signed.bin of=${B}/${MACHINE}_image.nopt
+    dd conv=notrunc bs=1 if=${DEPLOY_DIR_IMAGE}/tfm_s_signed.bin of=${B}/${MACHINE}_image.nopt seek=${TFM_OFFSET}
+    dd conv=notrunc bs=1 if=${DEPLOY_DIR_IMAGE}/signed_fip-corstone1000.bin of=${B}/${MACHINE}_image.nopt seek=${FIP_OFFSET}
+    dd conv=notrunc bs=1 if=${DEPLOY_DIR_IMAGE}/Image.gz-initramfs-${MACHINE}.bin of=${B}/${MACHINE}_image.nopt seek=${KERNEL_OFFSET}
+}
+create_nopt_image[depends] += "mc:firmware:linux-yocto:do_deploy"
+do_image_uefi_capsule[prefuncs] += "create_nopt_image"