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Add some comments and TODOs. Update the help text.

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Russel Winder
2009-08-05 07:32:26 +01:00
parent b3f4ea2169
commit 162941c645
1 changed files with 30 additions and 11 deletions
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41
SConstruct
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@@ -79,6 +79,12 @@ else :
kernelSConscriptPaths = [ 'generic' , 'api' , 'lib' ] kernelSConscriptPaths = [ 'generic' , 'api' , 'lib' ]
# It is assumed that the C code is assuming that the configuration file will be found at l4/config.h so create it there.
#
# Kernel code include config.h in a different way to all the other bits of code.
#
# TODO: Decide if this is an issue or not.
configuration = Configure ( baseEnvironment , config_h = buildDirectory + '/l4/config.h' ) configuration = Configure ( baseEnvironment , config_h = buildDirectory + '/l4/config.h' )
configData = processCML2Config ( ) configData = processCML2Config ( )
arch = None arch = None
@@ -148,6 +154,11 @@ else :
PROGSUFFIX = '.axf' , PROGSUFFIX = '.axf' ,
LIBS = 'gcc' , LIBS = 'gcc' ,
CPPPATH = [ '#' + buildDirectory , '#' + buildDirectory + '/l4' , '#' + includeDirectory , '#' + includeDirectory + '/l4' ] , CPPPATH = [ '#' + buildDirectory , '#' + buildDirectory + '/l4' , '#' + includeDirectory , '#' + includeDirectory + '/l4' ] ,
####
#### TODO: Why are these files forcibly included, why not just leave it up to the C code to include things?
####
CPPFLAGS = [ '-include' , 'config.h' , '-include' , 'cml2Config.h' , '-include' , 'macros.h' , '-include' , 'types.h' , '-D__KERNEL__' ] ) CPPFLAGS = [ '-include' , 'config.h' , '-include' , 'cml2Config.h' , '-include' , 'macros.h' , '-include' , 'types.h' , '-D__KERNEL__' ] )
kernelComponents = [ ] kernelComponents = [ ]
@@ -160,7 +171,7 @@ else :
########## Build the tasks ######################## ########## Build the tasks ########################
tasksSupportLibraryEnvironment = baseEnvironment.Clone ( taskSupportLibraryEnvironment = baseEnvironment.Clone (
CC = 'arm-none-linux-gnueabi-gcc' , CC = 'arm-none-linux-gnueabi-gcc' ,
CCFLAGS = [ '-g' , '-nostdlib' , '-ffreestanding' , '-std=gnu99' , '-Wall' , '-Werror' ] , CCFLAGS = [ '-g' , '-nostdlib' , '-ffreestanding' , '-std=gnu99' , '-Wall' , '-Werror' ] ,
LINKFLAGS = [ '-nostdlib' ] , LINKFLAGS = [ '-nostdlib' ] ,
@@ -172,11 +183,11 @@ else :
taskLibraries = [ ] taskLibraries = [ ]
for library in taskLibraryNames : for library in taskLibraryNames :
taskLibraries.append ( SConscript ( 'tasks/' + library + '/SConscript' , variant_dir = buildDirectory + '/tasks/' + library , duplicate = 0 , exports = { 'environment' : tasksSupportLibraryEnvironment } ) ) taskLibraries.append ( SConscript ( 'tasks/' + library + '/SConscript' , variant_dir = buildDirectory + '/tasks/' + library , duplicate = 0 , exports = { 'environment' : taskSupportLibraryEnvironment } ) )
Depends ( taskLibraries , tasksSupportLibraryEnvironment['configFiles'] ) Depends ( taskLibraries , taskSupportLibraryEnvironment['configFiles'] )
Alias ( 'tasksLibraries' , taskLibraries ) Alias ( 'taskLibraries' , taskLibraries )
tasksEnvironment = baseEnvironment.Clone ( tasksEnvironment = baseEnvironment.Clone (
CC = 'arm-none-linux-gnueabi-gcc' , CC = 'arm-none-linux-gnueabi-gcc' ,
@@ -185,7 +196,7 @@ else :
ASFLAGS = [ '-D__ASSEMBLY__' ] , ASFLAGS = [ '-D__ASSEMBLY__' ] ,
LIBS = 'gcc' , LIBS = 'gcc' ,
CPPDEFINES = [ '__USERSPACE__' ] , CPPDEFINES = [ '__USERSPACE__' ] ,
CPPPATH = [ '#' + buildDirectory , '#' + buildDirectory + '/l4' , '#' + includeDirectory , '#' + includeDirectory + '/l4' ] ) CPPPATH = [ '#' + buildDirectory , '#' + buildDirectory + '/l4' , '#' + includeDirectory , '#' + includeDirectory + '/l4' ] )
tasks = [ ] tasks = [ ]
for task in [ f.name for f in Glob ( 'tasks/*' ) if f.name not in taskLibraryNames + [ 'bootdesc' ] ] : for task in [ f.name for f in Glob ( 'tasks/*' ) if f.name not in taskLibraryNames + [ 'bootdesc' ] ] :
@@ -201,11 +212,19 @@ else :
Clean ( '.' , [ buildDirectory ] ) Clean ( '.' , [ buildDirectory ] )
Help ( ''' ########## Be helpful ########################
configure -- configure the build area ready for a build.
libraries -- build the support library. Help ( '''
kernel -- build the kernel. Explicit targets are:
taskLibraries -- build all the support libraries for the tasks.
tasks -- build all the tasks. configure -- configure the build area ready for a build.
libraries -- build the support library.
kernel -- build the kernel.
taskLibraries -- build all the support libraries for the tasks.
tasks -- build all the tasks.
The default target is to compile everything and to do a final link.
Compilation can only be undertaken after a configuration.
''' ) ''' )