Initial restructure/split of meta-xilinx-bsp

Create a new meta-xilinx-core, move core functionality to the core, keeping
board specific files in the bsp layer.

zynqmp-generic changed from require <board> to include, so if meta-xilinx-bsp
is not available it will not fail.

Signed-off-by: Mark Hatle <mark.hatle@xilinx.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/meta-xilinx-core/classes/image-wic-utils.bbclass b/meta-xilinx-core/classes/image-wic-utils.bbclass
new file mode 100644
index 00000000..562f3263
--- /dev/null
+++ b/meta-xilinx-core/classes/image-wic-utils.bbclass
@@ -0,0 +1,51 @@
+# Helper/utility functions to work with the IMAGE_BOOT_FILES variable and its
+# expected behvaior with regards to the contents of the DEPLOY_DIR_IMAGE.
+#
+# The use of these functions assume that the deploy directory is populated with
+# any dependent files/etc. Such that the recipe using these functions depends
+# on the recipe that provides the files being used/queried.
+
+def boot_files_split_expand(d):
+    # IMAGE_BOOT_FILES has extra renaming info in the format '<source>;<target>'
+    for f in (d.getVar("IMAGE_BOOT_FILES") or "").split(" "):
+        parts = f.split(";", 1)
+        sources = [parts[0].strip()]
+        if "*" in parts[0]:
+            # has glob part
+            import glob
+            deployroot = d.getVar("DEPLOY_DIR_IMAGE")
+            sources = []
+            for i in glob.glob(os.path.join(deployroot, parts[0])):
+                sources.append(os.path.basename(i))
+
+        # for all sources, yield an entry
+        for s in sources:
+            if len(parts) == 2:
+                yield s, parts[1].strip()
+            yield s, s
+
+def boot_files_bitstream(d):
+    expectedfiles = [("bitstream", True)]
+    expectedexts = [(".bit", True), (".bin", False)]
+    # search for bitstream paths, use the renamed file. First matching is used
+    for source, target in boot_files_split_expand(d):
+        # skip boot.bin and u-boot.bin, it is not a bitstream
+        skip = ["boot.bin", "u-boot.bin"]
+        if source in skip or target in skip:
+            continue
+
+        for e, t in expectedfiles:
+            if source == e or target == e:
+                return target, t
+        for e, t in expectedexts:
+            if source.endswith(e) or target.endswith(e):
+                return target, t
+    return "", False
+
+def boot_files_dtb_filepath(d):
+    dtbs = (d.getVar("IMAGE_BOOT_FILES") or "").split(" ")
+    for source, target in boot_files_split_expand(d):
+        if target.endswith(".dtb"):
+            return target
+    return ""
+