mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-23 02:05:57 +01:00
baremetal: refactor build to reduce duplication
This commit is contained in:
Ciro Santilli 六四事件 法轮功
174
build-baremetal
174
build-baremetal
@@ -18,11 +18,23 @@ Build the baremetal examples with crosstool-NG.
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def build(self):
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build_dir = self.get_build_dir()
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bootloader_obj = os.path.join(self.env['baremetal_build_lib_dir'], 'bootloader{}'.format(self.env['obj_ext']))
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common_obj = os.path.join(self.env['baremetal_build_lib_dir'], self.env['common_basename_noext'] + self.env['obj_ext'])
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bootloader_obj = os.path.join(
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self.env['baremetal_build_lib_dir'],
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'bootloader{}'.format(self.env['obj_ext'])
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)
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common_obj = os.path.join(
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self.env['baremetal_build_lib_dir'],
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self.env['common_basename_noext'] + self.env['obj_ext']
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)
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syscalls_basename_noext = 'syscalls'
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syscalls_src = os.path.join(self.env['baremetal_source_lib_dir'], syscalls_basename_noext + self.env['c_ext'])
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syscalls_obj = os.path.join(self.env['baremetal_build_lib_dir'], syscalls_basename_noext + self.env['obj_ext'])
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syscalls_src = os.path.join(
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self.env['baremetal_source_lib_dir'],
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syscalls_basename_noext + self.env['c_ext']
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)
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syscalls_obj = os.path.join(
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self.env['baremetal_build_lib_dir'],
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syscalls_basename_noext + self.env['obj_ext']
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)
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common_objs = [common_obj, syscalls_obj]
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cflags = [
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'-I', self.env['baremetal_source_lib_dir'], LF,
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@@ -49,7 +61,13 @@ Build the baremetal examples with crosstool-NG.
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uart_address = 0x09000000
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os.makedirs(build_dir, exist_ok=True)
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os.makedirs(self.env['baremetal_build_lib_dir'], exist_ok=True)
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src = os.path.join(self.env['baremetal_source_lib_dir'], '{}{}'.format(self.env['arch'], self.env['asm_ext']))
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src = os.path.join(
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self.env['baremetal_source_lib_dir'],
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'{}{}'.format(
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self.env['arch'],
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self.env['asm_ext']
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)
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)
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if self.need_rebuild([src], bootloader_obj):
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self.sh.run_cmd(
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[gcc, LF] +
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@@ -77,105 +95,63 @@ Build the baremetal examples with crosstool-NG.
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] +
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cflags_after
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)
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self._build_dir(
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for subpath in [
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'',
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gcc=gcc,
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cflags=cflags,
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cflags_after=cflags_after,
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entry_address=entry_address,
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bootloader_obj=bootloader_obj,
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common_objs=common_objs,
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)
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self._build_dir(
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'interactive',
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gcc=gcc,
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cflags=cflags,
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cflags_after=cflags_after,
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entry_address=entry_address,
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bootloader_obj=bootloader_obj,
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common_objs=common_objs,
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)
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if os.path.isdir(os.path.join(self.env['baremetal_source_arch_dir'])):
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self._build_dir(
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self.env['baremetal_source_arch_subpath'],
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gcc=gcc,
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cflags=cflags,
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cflags_after=cflags_after,
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entry_address=entry_address,
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bootloader_obj=bootloader_obj,
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common_objs=common_objs,
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)
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arch_dir = os.path.join('arch', self.env['arch'], 'no_bootloader')
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if os.path.isdir(os.path.join(self.env['baremetal_source_dir'], arch_dir)):
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self._build_dir(
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arch_dir,
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gcc=gcc,
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cflags=cflags,
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cflags_after=cflags_after,
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entry_address=entry_address,
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bootloader_obj=bootloader_obj,
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common_objs=common_objs,
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bootloader=False,
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)
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self.env['baremetal_source_arch_subpath'],
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os.path.join(self.env['baremetal_source_arch_subpath'], 'no_bootloader'),
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]:
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in_dir = os.path.join(self.env['baremetal_source_dir'], subpath)
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if os.path.isdir(in_dir):
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out_dir = os.path.join(self.env['baremetal_build_dir'], subpath)
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os.makedirs(out_dir, exist_ok=True)
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common_objs_bootloader = common_objs.copy()
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if os.path.basename(subpath) != 'no_bootloader':
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common_objs_bootloader.append(bootloader_obj)
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for in_basename in sorted(os.listdir(in_dir)):
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in_path = os.path.join(in_dir, in_basename)
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in_name, in_ext = os.path.splitext(in_basename)
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if (
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os.path.isfile(in_path) and
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in_ext in (self.env['c_ext'], self.env['asm_ext'])
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):
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main_obj = os.path.join(
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out_dir,
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'{}{}'.format(
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in_name,
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self.env['obj_ext']
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)
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)
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src = os.path.join(self.env['baremetal_source_dir'], in_path)
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if self.need_rebuild([src, self.env['common_h']], main_obj):
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self.sh.run_cmd(
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[gcc, LF] +
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cflags +
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[
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'-c', LF,
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'-o', main_obj, LF,
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src, LF,
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] +
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cflags_after
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)
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objs = common_objs_bootloader + [main_obj]
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out = os.path.join(out_dir, in_name + self.env['baremetal_build_ext'])
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if self.need_rebuild(objs + [self.env['baremetal_link_script']], out):
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self.sh.run_cmd(
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[gcc, LF] +
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cflags +
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[
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'-Wl,--section-start=.text={:#x}'.format(entry_address), LF,
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'-o', out, LF,
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'-T', self.env['baremetal_link_script'], LF,
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] +
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self.sh.add_newlines(objs) +
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cflags_after
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)
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def get_build_dir(self):
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return self.env['baremetal_build_dir']
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def _build_dir(
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self,
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subpath,
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gcc,
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cflags,
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cflags_after,
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entry_address,
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bootloader_obj,
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common_objs,
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bootloader=True
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):
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'''
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Build all .c and .S files in a given subpath of the baremetal source
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directory non recursively.
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Place outputs on the same subpath or the output directory.
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'''
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in_dir = os.path.join(self.env['baremetal_source_dir'], subpath)
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out_dir = os.path.join(self.env['baremetal_build_dir'], subpath)
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os.makedirs(out_dir, exist_ok=True)
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common_objs = common_objs.copy()
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if bootloader:
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common_objs.append(bootloader_obj)
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for in_basename in os.listdir(in_dir):
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in_path = os.path.join(in_dir, in_basename)
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if os.path.isfile(in_path) and os.path.splitext(in_basename)[1] in (self.env['c_ext'], self.env['asm_ext']):
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in_name = os.path.splitext(in_basename)[0]
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main_obj = os.path.join(self.env['baremetal_build_dir'], subpath, '{}{}'.format(in_name, self.env['obj_ext']))
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src = os.path.join(self.env['baremetal_source_dir'], in_path)
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if self.need_rebuild([src, self.env['common_h']], main_obj):
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self.sh.run_cmd(
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[gcc, LF] +
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cflags +
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[
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'-c', LF,
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'-o', main_obj, LF,
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src, LF,
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] +
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cflags_after
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)
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objs = common_objs + [main_obj]
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out = os.path.join(self.env['baremetal_build_dir'], subpath, in_name + self.env['baremetal_build_ext'])
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link_script = os.path.join(self.env['baremetal_source_dir'], 'link.ld')
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if self.need_rebuild(objs + [link_script], out):
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self.sh.run_cmd(
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[gcc, LF] +
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cflags +
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[
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'-Wl,--section-start=.text={:#x}'.format(entry_address), LF,
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'-o', out, LF,
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'-T', link_script, LF,
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] +
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self.sh.add_newlines(objs) +
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cflags_after
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)
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if __name__ == '__main__':
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Main().cli()
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@@ -718,6 +718,7 @@ Valid emulators: {}
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env['baremetal_source_arch_subpath'] = join('arch', env['arch'])
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env['baremetal_source_arch_dir'] = join(env['baremetal_source_dir'], env['baremetal_source_arch_subpath'])
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env['baremetal_source_lib_dir'] = join(env['baremetal_source_dir'], env['baremetal_lib_basename'])
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env['baremetal_link_script'] = os.path.join(env['baremetal_source_dir'], 'link.ld')
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if env['emulator'] == 'gem5':
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env['simulator_name'] = 'gem5'
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else:
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