[PATCH] image: copy DTB_FILES to DEPLOYDIR/IMAGE_FULLNAME/KERNEL_NAME/

["'Badrikesh Prusty' via isar-users" <isar-users@googlegroups.com>]

From: badrikesh prusty <badrikesh.prusty@siemens.com>

Copy DTB_FILES to DEPLOYDIR/IMAGE_FULLNAME/KERNEL_NAME instead of DEPLOYDIR/.

An issue is observed when we attempt to build a second image for a machine
utilizing DTB_FILES. During the do_copy_boot_files task of image creation, the
DTB_FILES are copied to the shared location DEPLOYDIR/<dtb files>. When the
build of a second image is triggered, it detects that the DTB_FILES are already
present and avoids overwriting them.

Reproducer:
bitbake mc:phyboard-mira-bookworm:isar-image-base
bitbake mc:phyboard-mira-bookworm:isar-image-debug

Copy the DTB_FILES to the directory: DEPLOYDIR/IMAGE_FULLNAME/KERNEL_NAME/.
* This will allow building multiple images.
* As each kernel recipe ships its own DTB_FILES, if a user tries to rebuild
the same image with a new kernel, the DTB_FILES associated with the older
kernel will not be overwritten.

Update the DTB_IMG variable to check for DTB_FILES in their new location.
Update the WIC plugin scripts to use the DTB_FILES from their updated location
within the DEPLOYDIR.
Add IMAGE_FULLNAME and KERNEL_NAME to WICVARS to allow the scripts to retrieve
these variable values during WIC image generation.

Signed-off-by: badrikesh prusty <badrikesh.prusty@siemens.com>
---
 meta/classes/image.bbclass                              | 5 +++--
 meta/classes/imagetypes_wic.bbclass                     | 6 +++---
 meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py | 4 +++-
 scripts/lib/wic/plugins/source/bootimg-efi.py           | 4 +++-
 4 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index ff3cd737..218e7c35 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -326,7 +326,7 @@ EOF
 KERNEL_IMG = "${PP_DEPLOY}/${KERNEL_IMAGE}"
 INITRD_IMG = "${PP_DEPLOY}/${INITRD_DEPLOY_FILE}"
 # only one dtb file supported, pick the first
-DTB_IMG = "${PP_DEPLOY}/${@(d.getVar('DTB_FILES').split() or [''])[0]}"
+DTB_IMG = "${PP_DEPLOY}/${IMAGE_FULLNAME}/${KERNEL_NAME}/${@(d.getVar('DTB_FILES').split() or [''])[0]}"
 
 do_copy_boot_files[cleandirs] += "${DEPLOYDIR}"
 do_copy_boot_files[sstate-inputdirs] = "${DEPLOYDIR}"
@@ -360,7 +360,8 @@ do_copy_boot_files() {
             die "${file} not found"
         fi
 
-        cp -f "$dtb" "${DEPLOYDIR}/"
+        mkdir -p "${DEPLOYDIR}/${IMAGE_FULLNAME}/${KERNEL_NAME}"
+        cp -f "$dtb" "${DEPLOYDIR}/${IMAGE_FULLNAME}/${KERNEL_NAME}/"
     done
 }
 addtask copy_boot_files before do_rootfs_postprocess after do_rootfs_install
diff --git a/meta/classes/imagetypes_wic.bbclass b/meta/classes/imagetypes_wic.bbclass
index 7a050e73..6b7b3727 100644
--- a/meta/classes/imagetypes_wic.bbclass
+++ b/meta/classes/imagetypes_wic.bbclass
@@ -102,9 +102,9 @@ WIC_DEPLOY_PARTITIONS ?= "0"
 
 # taken from OE, do not touch directly
 WICVARS += "\
-           BBLAYERS IMGDEPLOYDIR DEPLOY_DIR_IMAGE FAKEROOTCMD IMAGE_BASENAME IMAGE_BOOT_FILES IMAGE_EFI_BOOT_FILES \
-           IMAGE_LINK_NAME IMAGE_ROOTFS INITRAMFS_FSTYPES INITRD INITRD_LIVE ISODIR RECIPE_SYSROOT_NATIVE \
-           ROOTFS_SIZE STAGING_DATADIR STAGING_DIR STAGING_LIBDIR TARGET_SYS TRANSLATED_TARGET_ARCH"
+           BBLAYERS IMGDEPLOYDIR DEPLOY_DIR_IMAGE FAKEROOTCMD IMAGE_BASENAME IMAGE_FULLNAME IMAGE_BOOT_FILES \
+           IMAGE_EFI_BOOT_FILES IMAGE_LINK_NAME IMAGE_ROOTFS INITRAMFS_FSTYPES INITRD INITRD_LIVE ISODIR KERNEL_NAME \
+           RECIPE_SYSROOT_NATIVE ROOTFS_SIZE STAGING_DATADIR STAGING_DIR STAGING_LIBDIR TARGET_SYS TRANSLATED_TARGET_ARCH"
 
 # Isar specific vars used in our plugins
 WICVARS += "DISTRO DISTRO_ARCH KERNEL_FILE"
diff --git a/meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py b/meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py
index 78ae4fb2..5b23671f 100644
--- a/meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py
+++ b/meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py
@@ -57,7 +57,9 @@ class BootimgEFIPlugin(SourcePlugin):
         if dtb:
             if ';' in dtb:
                 raise WicError("Only one DTB supported, exiting")
-            cp_cmd = "cp %s/%s %s" % (bootimg_dir, dtb, hdddir)
+            image_fullname = get_bitbake_var("IMAGE_FULLNAME")
+            kernel_name = get_bitbake_var("KERNEL_NAME")
+            cp_cmd = "cp %s/%s/%s/%s %s" % (bootimg_dir, image_fullname, kernel_name, dtb, hdddir)
             exec_cmd(cp_cmd, True)
 
     @classmethod
diff --git a/scripts/lib/wic/plugins/source/bootimg-efi.py b/scripts/lib/wic/plugins/source/bootimg-efi.py
index 13a9cddf..cf83a6f3 100644
--- a/scripts/lib/wic/plugins/source/bootimg-efi.py
+++ b/scripts/lib/wic/plugins/source/bootimg-efi.py
@@ -368,7 +368,9 @@ class BootimgEFIPlugin(SourcePlugin):
                 if dtb:
                     if ';' in dtb:
                         raise WicError("Only one DTB supported, exiting")
-                    dtb_path = "%s/%s" % (deploy_dir, dtb)
+                    image_fullname = get_bitbake_var("IMAGE_FULLNAME")
+                    kernel_name = get_bitbake_var("KERNEL_NAME")
+                    dtb_path = "%s/%s/%s/%s" % (deploy_dir, image_fullname, kernel_name, dtb)
                     dtb_params = '--add-section .dtb=%s --change-section-vma .dtb=0x%x' % \
                             (dtb_path, dtb_off)
                     linux_off = dtb_off + os.stat(dtb_path).st_size
-- 
2.39.5

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