[PATCH 1/5] scripts/lib/bsp/engine.py: add yocto_layer_create()


tom.zanussi@...
 

From: Tom Zanussi <tom.zanussi@...>

Add a new yocto_layer_create() function that will be used to generate
a generic yocto layer (for the new 'yocto-layer' command).

Signed-off-by: Tom Zanussi <tom.zanussi@...>
---
scripts/lib/bsp/engine.py | 56 +++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 56 insertions(+)

diff --git a/scripts/lib/bsp/engine.py b/scripts/lib/bsp/engine.py
index 8985544..d406e79 100644
--- a/scripts/lib/bsp/engine.py
+++ b/scripts/lib/bsp/engine.py
@@ -1352,6 +1352,62 @@ def expand_targets(context, bsp_output_dir):
return target_files


+def yocto_layer_create(layer_name, scripts_path, layer_output_dir, codedump, properties_file):
+ """
+ Create yocto layer
+
+ layer_name - user-defined layer name
+ scripts_path - absolute path to yocto /scripts dir
+ bsp_output_dir - dirname to create for BSP
+ codedump - dump generated code to bspgen.out
+ properties_file - use values from here if nonempty i.e no prompting
+
+ arch - the arch for a generic layer is 'generic-layer', defined in
+ scripts/lib/bsp/substrate/target/generic-layer
+ """
+ if os.path.exists(bsp_output_dir):
+ print "\nBSP output dir already exists, exiting. (%s)" % bsp_output_dir
+ sys.exit(1)
+
+ properties = None
+
+ if properties_file:
+ try:
+ infile = open(properties_file, "r")
+ except IOError:
+ print "Couldn't open properties file %s for reading, exiting" % properties_file
+ sys.exit(1)
+
+ properties = json.load(infile)
+
+ os.mkdir(bsp_output_dir)
+
+ context = create_context(machine, arch, scripts_path)
+ target_files = expand_targets(context, bsp_output_dir)
+
+ input_lines = gather_inputlines(target_files)
+
+ program_lines = []
+
+ gen_program_header_lines(program_lines)
+
+ gen_initial_property_vals(input_lines, program_lines)
+
+ if properties:
+ gen_supplied_property_vals(properties, program_lines)
+
+ gen_program_machine_lines(machine, program_lines)
+
+ if not properties:
+ gen_program_input_lines(input_lines, program_lines, context)
+
+ gen_program_lines(target_files, program_lines)
+
+ run_program_lines(program_lines, codedump)
+
+ print "New %s BSP created in %s" % (arch, bsp_output_dir)
+
+
def yocto_bsp_create(machine, arch, scripts_path, bsp_output_dir, codedump, properties_file):
"""
Create bsp
--
1.7.11.4

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