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-rw-r--r--tools/tfm_parse_manifest_list.py50
1 files changed, 28 insertions, 22 deletions
diff --git a/tools/tfm_parse_manifest_list.py b/tools/tfm_parse_manifest_list.py
index d54ebdd8c5..1aea3cec17 100644
--- a/tools/tfm_parse_manifest_list.py
+++ b/tools/tfm_parse_manifest_list.py
@@ -198,13 +198,13 @@ def process_stateless_services(partitions, static_handle_max_num):
"""
This function collects all stateless services together, and allocates
stateless handles for them.
- If the stateless handle is set to a valid value in yaml/json file, it is
- converted to a index directly, if the stateless handle is set as "auto",
- or not set, framework will allocate a valid index for the service.
- After that, framework puts each service into a reordered stateless service
- list at position of "index". Other positions in list are left "None".
+ Valid stateless handle in service will be converted to an index. If the
+ stateless handle is set as "auto", or not set, framework will allocate a
+ valid index for the service.
+ Framework puts each service into a reordered stateless service list at
+ position of "index". Other unused positions are left None.
"""
- raw_stateless_services = []
+ collected_stateless_services = []
# Collect all stateless services first.
for partition in partitions:
@@ -218,45 +218,51 @@ def process_stateless_services(partitions, static_handle_max_num):
if 'connection_based' not in service:
raise Exception("'connection_based' is mandatory in FF-M 1.1 service!")
if service['connection_based'] is False:
- raw_stateless_services.append(service)
+ collected_stateless_services.append(service)
- if len(raw_stateless_services) == 0:
+ if len(collected_stateless_services) == 0:
return []
- if len(raw_stateless_services) > static_handle_max_num:
- raise Exception("Stateless service numbers range exceed.")
+ if len(collected_stateless_services) > static_handle_max_num:
+ raise Exception("Stateless service numbers range exceed {number}.".format(number=static_handle_max_num))
"""
- Allocate an empty stateless service list to store services and find the
- service easily by handle.
- Use service stateless handle values as indexes. Put service in the list
- at index "handle - 1", since handle value starts from 1 and list index
- starts from 0.
+ Allocate an empty stateless service list to store services.
+ Use "handle - 1" as the index for service, since handle value starts from
+ 1 and list index starts from 0.
"""
reordered_stateless_services = [None] * static_handle_max_num
+ auto_alloc_services = []
+
+ for service in collected_stateless_services:
+ # If not set, it is "auto" by default
+ if 'stateless_handle' not in service:
+ auto_alloc_services.append(service)
+ continue
- for service in raw_stateless_services:
service_handle = service['stateless_handle']
# Fill in service list with specified stateless handle, otherwise skip
if isinstance(service_handle, int):
if service_handle < 1 or service_handle > static_handle_max_num:
- raise Exception("Invalid stateless_handle setting.")
+ raise Exception("Invalid stateless_handle setting: {handle}.".format(handle=service['stateless_handle']))
# Convert handle index to reordered service list index
service_handle = service_handle - 1
if reordered_stateless_services[service_handle] is not None:
- raise Exception("Duplicated stateless_handle setting.")
+ raise Exception("Duplicated stateless_handle setting: {handle}.".format(handle=service['stateless_handle']))
reordered_stateless_services[service_handle] = service
- # Remove recorded node from the existing list
- raw_stateless_services.remove(service)
+ elif service_handle == 'auto':
+ auto_alloc_services.append(service)
+ else:
+ raise Exception("Invalid stateless_handle setting: {handle}.".format(handle=service['stateless_handle']))
# Auto-allocate stateless handle and encode the stateless handle
for i in range(0, static_handle_max_num):
service = reordered_stateless_services[i]
- if service == None and len(raw_stateless_services) > 0:
- service = raw_stateless_services.pop(0)
+ if service == None and len(auto_alloc_services) > 0:
+ service = auto_alloc_services.pop(0)
"""
Encode stateless flag and version into stateless handle