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First pass at processing the CML2 configuration.

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This commit is contained in:
Russel Winder
2009-07-31 18:35:30 +01:00
parent 198022b4d4
commit a79206f8d9
2 changed files with 41 additions and 5 deletions
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2
.gitignore vendored
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@@ -1,3 +1,5 @@
build build
*~ *~
.sconsign.dblite .sconsign.dblite
*.pyc
config.log

44
SConstruct
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@@ -19,10 +19,23 @@
import os import os
includeDirectory = 'include'
toolsDirectory = 'tools'
cml2ToolsDirectory = toolsDirectory + '/cml2-tools'
buildDirectory = 'build'
environment = Environment ( )
configuration = Configure ( environment , config_h = 'config.h' )
environment = configuration.Finish ( )
arch = 'arm' arch = 'arm'
platform = 'pb926' platform = 'pb926'
environment = Environment ( linkerScript = includeDirectory + '/l4/arch/' + arch + '/mylinks.lds'
libraryEnvironment = environment.Clone (
CC = 'arm-none-linux-gnueabi-gcc', CC = 'arm-none-linux-gnueabi-gcc',
CCFLAGS = [ '-g' , '-nostdinc' , '-nostdlib' , '-ffreestanding' ] , CCFLAGS = [ '-g' , '-nostdinc' , '-nostdlib' , '-ffreestanding' ] ,
LINKFLAGS = [ '-nostdlib' ] , LINKFLAGS = [ '-nostdlib' ] ,
@@ -31,11 +44,32 @@ environment = Environment (
ARCH = arch , ARCH = arch ,
PLATFORM = platform ) PLATFORM = platform )
Export ( 'environment' )
libs = { } libs = { }
crts = { } crts = { }
for variant in [ 'baremetal' , 'userspace' ] : for variant in [ 'baremetal' , 'userspace' ] :
( libs[variant] , crts[variant] ) = SConscript ( 'libs/c/SConscript' , variant_dir = 'build/lib/c/' + variant , duplicate = 0 , exports = { 'variant' : variant } ) ( libs[variant] , crts[variant] ) = SConscript ( 'libs/c/SConscript' , variant_dir = buildDirectory + '/lib/c/' + variant , duplicate = 0 , exports = { 'environment' : libraryEnvironment , 'variant' : variant } )
libelf = SConscript ( 'libs/elf/SConscript' , variant_dir = 'build/lib/elf' , duplicate = 0 , exports = { 'lib' : libs['baremetal'] } ) libelf = SConscript ( 'libs/elf/SConscript' , variant_dir = buildDirectory + '/lib/elf' , duplicate = 0 , exports = { 'environment' : libraryEnvironment , 'lib' : libs['baremetal'] } )
cmlCompiledRules = Command ( '#' + buildDirectory + '/rules.out' , '#configs/' + arch + '.cml' , cml2ToolsDirectory + '/cmlcompile.py -o $TARGET $SOURCE' )
cmlConfiguredRules = Command ( '#' + buildDirectory + '/config.out' , cmlCompiledRules , cml2ToolsDirectory + '/cmlconfigure.py -c -o $TARGET $SOURCE' )
cmlConfigHeader = Command ( '#' + buildDirectory + '/config.h' , cmlConfiguredRules , toolsDirectory + '/cml2header.py -o $TARGET -i $SOURCE' )
Alias ( 'configure' , cmlConfigHeader )
if 'configure' in COMMAND_LINE_TARGETS:
AlwaysBuild ( cmlConfiguredRules )
kernelEnvironment = environment.Clone (
CC = 'arm-none-eabi-gcc' ,
# We don't use -nostdinc because sometimes we need standard headers, such as stdarg.h e.g. for variable
# args, as in printk().
CCFLAGS = [ '-g' , '-mcpu=arm926ej-s' , '-nostdlib' , '-ffreestanding' , '-std=gnu99' , '-Wall' , '-Werror' ] ,
LINKFLAGS = [ '-nostdlib' , '-T' + linkerScript ] ,
ASFLAGS = [ '-D__ASSEMBLY__' ] ,
PROGSUFFIX = '.axf' ,
ENV = { 'PATH' : os.environ['PATH'] } ,
LIBS = 'gcc' , # libgcc.a is required for the division routines.
CPPPATH = includeDirectory ,
CPPFLAGS = [ '-include l4/config.h' , '-include l4/macros.h' , '-include l4/types.h' , '-D__KERNEL__' ] )
Clean ( '.' , [ buildDirectory ] )