rtems-bsps: Generate empty config.ini for arc/bsp combinations

- Generate a config for all BSPs in an arch

rtems-bsps

@@ -1,7 +1,7 @@
 #! /usr/bin/env python
 #
 # RTEMS (http://www.rtems.org/)
-# Copyright 2020 Chris Johns (chrisj@rtems.org)
+# Copyright 2020, 2022 Chris Johns (chrisj@rtems.org)
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -63,7 +63,10 @@ class ArchBsps:
 
     def _out(self, line=''):
         """Output a line to the output buffer."""
-        self._output += [line]
+        if isinstance(line, list):
+            self._output += line
+        else:
+            self._output += [line]
 
     def _collect(self, ext):
         """Collect the config files from the source tree."""
@@ -266,7 +269,7 @@ class ArchBsps:
                                           (max_bsp, bsp, max_fb, family, p))
                             else:
                                 self._out('%-*s |%s' % (max_bsp, bsp, family))
-                                
+
     def pairs(self, arch_selector=None, family_selector=None, show_path=False):
         """Generate output as pairs"""
         self._clear()
@@ -290,11 +293,70 @@ class ArchBsps:
                                                  self.archs[arch][family][bsp])
                                 pair = arch + '/' + bsp
                                 pair = '%-*s %s' % (max_arch + max_bsp + 1, pair, p)
-                                
+
                                 self._out(pair)
                             else:
                                 self._out('%s/%s' % (arch, bsp))
 
+    def config(self, arch_selector=None, family_selector=None):
+        """Generate output as pairs"""
+        self._clear()
+        self._out(['# Generated by rtems-bsp',
+                   '[DEFAULT]',
+                   '# Build',
+                   'RTEMS_BUILD_LABEL = DEFAULT',
+                   'RTEMS_DEBUG = False',
+                   'RTEMS_PROFILING = False',
+                   'RTEMS_POSIX_API = True',
+                   '# Tests',
+                   'BUILD_TESTS = False',
+                   'BUILD_BENCHMARKS = False',
+                   'BUILD_FSTESTS = False',
+                   'BUILD_LIBTESTS = False',
+                   'BUILD_MPTESTS = False',
+                   'BUILD_PSXTESTS = False',
+                   'BUILD_PSXTMTESTS = False',
+                   'BUILD_RHEALSTONE = False',
+                   'BUILD_SAMPLES = True',
+                   'BUILD_SMPTESTS = False',
+                   'BUILD_SPTESTS = False',
+                   'BUILD_TMTESTS = False',
+                   'BUILD_UNITTESTS = False',
+                   'BUILD_VALIDATIONTESTS = False',
+                   'RTEMS_TEST_VERBOSITY = Normal',
+                   '# Compliler',
+                   '; WARNING_FLAGS = -Wall',
+                   '; CC_WARNING_FLAGS = -Wmissing-prototypes -Wimplicit-function-declaration -Wstrict-prototypes -Wnested-externs',
+                   '; CXX_WARNING_FLAGS = ',
+                   '; OPTIMIZATION_FLAGS = -O2 -g -fdata-sections -ffunction-sections',
+                   '; BSP_OPTIMIZATION_FLAGS = ${OPTIMIZATION_FLAGS}',
+                   '; CPUKIT_OPTIMIZATION_FLAGS = ${OPTIMIZATION_FLAGS}',
+                   '; TEST_OPTIMIZATION_FLAGS = ${OPTIMIZATION_FLAGS}',
+                   '; LINKFLAGS = ',
+                   '; LDFLAGS = -Wl,--gc-sections',
+                   '# BSP',
+                   'BSP_VERBOSE_FATAL_EXTENSION = 1',
+                   'BSP_PRINT_EXCEPTION_CONTEXT = 1',
+                   'BSP_RESET_BOARD_AT_EXIT = 1'])
+        self._out()
+        max_arch = self._max_arch_len()
+        max_bsp = self._max_bsp_len()
+        if arch_selector is None:
+            arch_matcher = []
+        else:
+            arch_matcher = [a.strip() for a in arch_selector.split(',')]
+        if family_selector is None:
+            family_matcher = []
+        else:
+            family_matcher = [f.strip() for f in family_selector.split(',')]
+        for arch in sorted(self.archs.keys()):
+            if arch_selector is None or arch in arch_matcher:
+                for family in sorted(self.archs[arch].keys()):
+                    if family_selector is None or family in family_matcher:
+                        for bsp in sorted(self.archs[arch][family].keys()):
+                            self._out('[%s/%s]' % (arch, bsp))
+                            self._out()
+
 
 def run(args):
     """Runs the command"""
@@ -331,6 +393,10 @@ def run(args):
                        '--pairs',
                        help='Output architectures and BSPs in CPU/BSP format',
                        action='store_true')
+    argsp.add_argument('-C',
+                       '--config',
+                       help='Output architectures and BSPs in `config.ini` format',
+                       action='store_true')
 
     argopts = argsp.parse_args(args[1:])
 
@@ -345,15 +411,17 @@ def run(args):
                     family_selector=argopts.family,
                     show_path=argopts.paths,
                     show_title=argopts.title)
+    elif argopts.pairs:
+        ab.pairs(arch_selector=argopts.arch,
+                 family_selector=argopts.family,
+                 show_path=argopts.paths)
+    elif argopts.config:
+        ab.config(arch_selector=argopts.arch,
+                 family_selector=argopts.family)
     else:
-        if argopts.pairs:
+        ab.text(arch_selector=argopts.arch,
-            ab.pairs(arch_selector=argopts.arch,
+                family_selector=argopts.family,
-                     family_selector=argopts.family,
+                show_path=argopts.paths)
-                     show_path=argopts.paths)
-        else:
-            ab.text(arch_selector=argopts.arch,
-                    family_selector=argopts.family,
-                    show_path=argopts.paths)
 
     print(os.linesep.join(ab.output()))