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Add target-params to Platform Tuple

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Added support for specifying target parameters in the Platform tuple.
This commit is contained in:
Waleed El-Geresy 2018-06-06 18:26:29 +01:00 committed by setrofim
parent 7fb85261da
commit 7470fb5ee9
1 changed files with 26 additions and 10 deletions
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36
wa/framework/target/descriptor.py
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@ -416,26 +416,31 @@ ASSISTANTS = {
'chromeos': ChromeOsAssistant
}
# name --> ((platform_class, conn_class), params_list, defaults)
# name --> (((platform_class, conn_class), params_list, defaults), target_defaults)
# Note: normally, connection is defined by the Target name, but
# platforms may choose to override it
# Note: the target_defaults allows you to override common target_params for a
# particular platform. Parameters you can override are in COMMON_TARGET_PARAMS
# Example of overriding one of the target parameters: Replace last None with:
# {'shell_prompt': CUSTOM__SHELL_PROMPT}
PLATFORMS = {
'generic': ((Platform, None), COMMON_PLATFORM_PARAMS, None),
'generic': ((Platform, None), COMMON_PLATFORM_PARAMS, None, None),
'juno': ((Juno, None), COMMON_PLATFORM_PARAMS + VEXPRESS_PLATFORM_PARAMS,
{
'vemsd_mount': '/media/JUNO',
'baudrate': 115200,
'bootloader': 'u-boot',
'hard_reset_method': 'dtr',
}),
},
None),
'tc2': ((TC2, None), COMMON_PLATFORM_PARAMS + VEXPRESS_PLATFORM_PARAMS,
{
'vemsd_mount': '/media/VEMSD',
'baudrate': 38400,
'bootloader': 'bootmon',
'hard_reset_method': 'reboottxt',
}),
'gem5': ((Gem5SimulationPlatform, Gem5Connection), GEM5_PLATFORM_PARAMS, None),
}, None),
'gem5': ((Gem5SimulationPlatform, Gem5Connection), GEM5_PLATFORM_PARAMS, None, None),
}
@ -458,7 +463,12 @@ class DefaultTargetDescriptor(TargetDescriptor):
assistant = ASSISTANTS[target_name]
conn_params = CONNECTION_PARAMS[conn]
for platform_name, platform_tuple in PLATFORMS.items():
platform_target_defaults = platform_tuple[-1]
platform_tuple = platform_tuple[0:-1]
(platform, plat_conn), platform_params = self._get_item(platform_tuple)
# Add target defaults specified in the Platform tuple
target_params = self._apply_param_defaults(target_params,
platform_target_defaults)
name = '{}_{}'.format(platform_name, target_name)
td = TargetDescription(name, self)
td.target = target
@ -478,17 +488,23 @@ class DefaultTargetDescriptor(TargetDescriptor):
result.append(td)
return result
def _get_item(self, item_tuple):
cls, params, defaults = item_tuple
def _apply_param_defaults(self, params, defaults):
'''Adds parameters in the defaults dict to params list.
Return updated params as a list (idempotent function).'''
if not defaults:
return cls, params
return params
param_map = OrderedDict((p.name, copy(p)) for p in params)
for name, value in defaults.items():
if name not in param_map:
raise ValueError('Unexpected default "{}"'.format(name))
param_map[name].default = value
return cls, list(param_map.values())
# Convert the OrderedDict to a list to return the same type
return list(param_map.values())
def _get_item(self, item_tuple):
cls, params, defaults = item_tuple
updated_params = self._apply_param_defaults(params, defaults)
return cls, updated_params