mirror of
https://github.com/drasko/codezero.git
synced 2026-01-12 10:53:16 +01:00
123 lines
3.7 KiB
Python
123 lines
3.7 KiB
Python
|
|
Import('config', 'environment', 'previmage', 'contid')
|
|
|
|
import os, sys
|
|
|
|
arch = config.arch
|
|
|
|
sys.path.append('../../../../')
|
|
from scripts.config.lib import *
|
|
from tools.pyelf.lmanext import *
|
|
|
|
src = [Glob('*.c') + Glob('test_exec.S') + Glob('src/*.[Sc]') + Glob('src/arch/arm/*.c')]
|
|
|
|
container = next((c for c in config.containers if int(c.id) == int(contid)), None)
|
|
|
|
asm_string = \
|
|
'''
|
|
.align 4
|
|
.section .testexec
|
|
.incbin "%s"
|
|
'''
|
|
|
|
test_exec_linker_lds_in = \
|
|
'''
|
|
/*
|
|
* Simple linker script for userspace or svc tasks.
|
|
*
|
|
* Copyright (C) 2007 Bahadir Balban
|
|
*/
|
|
|
|
virtual_base = %s;
|
|
|
|
/* First page before the env/args */
|
|
|
|
|
|
ENTRY(_start)
|
|
|
|
SECTIONS
|
|
{
|
|
. = virtual_base;
|
|
.text : { *(.text.head) *(.text) }
|
|
.rodata : { *(.rodata) }
|
|
.rodata1 : { *(.rodata1) }
|
|
. = ALIGN(4K);
|
|
.data : { *(.data) }
|
|
.bss : { *(.bss) }
|
|
}
|
|
'''
|
|
|
|
def generate_incbin_asm(target, source, env):
|
|
with open(target[0].path, 'w+') as asm_out:
|
|
asm_out.write(asm_string % source[0].path)
|
|
|
|
def generate_lma_lds(target, source, env):
|
|
with open(source[1].path, 'r') as lds_in:
|
|
with open(target[0].path, 'w+') as lds_out:
|
|
linker_script = lds_in.read()
|
|
lds_out.write(linker_script % (conv_hex(container.pager_task_region_start), next_available_lma(source[0].path)))
|
|
|
|
def generate_test_exec_lds(target, source, env):
|
|
with open(target[0].path, 'w+') as lds_out:
|
|
lds_out.write(test_exec_linker_lds_in % conv_hex(container.pager_task_region_start))
|
|
|
|
lma_lds = Command('include/linker.lds', [previmage, 'include/linker.lds.in'], generate_lma_lds)
|
|
test_exec_lds = Command('include/test_exec_linker.lds', [], generate_test_exec_lds)
|
|
|
|
env = environment.Clone()
|
|
test_exec_env = environment.Clone()
|
|
|
|
test_exec_env.Append(LIBS = ['posix', 'c-userspace'])
|
|
test_exec_env.Append(LINKFLAGS = '-T' + test_exec_lds[0].path)
|
|
test_exec_env.Append(CPPFLAGS = ' -D__USERSPACE__ -include l4lib/macros.h ')
|
|
test_exec_env.Replace(PROGSUFFIX = '')
|
|
test_exec_src = Glob('src/test_exec/*.[cS]')
|
|
test_exec_objs = test_exec_env.Object(test_exec_src)
|
|
test_exec = test_exec_env.Program('src/test_exec/test_exec', test_exec_objs)
|
|
test_exec_asm = Command('test_exec.S', test_exec, generate_incbin_asm)
|
|
Depends(test_exec, test_exec_objs)
|
|
Depends(test_exec, test_exec_lds)
|
|
AlwaysBuild(test_exec_lds)
|
|
|
|
env.Append(LIBS = ['posix', 'c-userspace'])
|
|
env.Append(LINKFLAGS = '-T' + lma_lds[0].path)
|
|
env.Append(CPPFLAGS = ' -D__USERSPACE__ -include l4lib/macros.h ')
|
|
env.Replace(PROGSUFFIX = '')
|
|
objs = env.Object(src + test_exec_asm)
|
|
test0 = env.Program('test0', objs)
|
|
|
|
elf_wrap_string = \
|
|
'''
|
|
.align 4
|
|
.section .data
|
|
.incbin "%s"
|
|
'''
|
|
|
|
def elf_wrap_asm(target, source, env):
|
|
with open(target[0].path, 'w+') as asm_out:
|
|
asm_out.write(elf_wrap_string % source[0].path)
|
|
|
|
def elf_wrap_lds(target, source, env):
|
|
with open(source[1].path, 'r') as lds_in:
|
|
with open(target[0].path, 'w+') as lds_out:
|
|
linker_script = lds_in.read()
|
|
lds_out.write(linker_script % next_available_lma(source[0].path))
|
|
|
|
# This further wraps the test0 elf image in another elf. Required.
|
|
elf_wrap_env = environment.Clone()
|
|
elf_wrapped_asm = Command('test0_elf_wrapped.S', test0, elf_wrap_asm)
|
|
elf_wrapped_lds = Command('include/elf_wrapper.lds', [previmage, 'include/elf_wrapper.lds.in'], elf_wrap_lds)
|
|
elf_wrap_env.Append(LINKFLAGS = '-T' + elf_wrapped_lds[0].path)
|
|
elf_wrap_objs = elf_wrap_env.Object(elf_wrapped_asm)
|
|
test0_elf_elf = elf_wrap_env.Program('test0_elf.elf', elf_wrap_objs)
|
|
|
|
# So that everytime test0 is built, elf_wrap_objs
|
|
# gets built (even though elf_wrapped_asm remains the same
|
|
Depends(elf_wrap_objs, test0)
|
|
Depends(test0, lma_lds)
|
|
Depends(test0, test_exec)
|
|
Depends(lma_lds, previmage)
|
|
AlwaysBuild(lma_lds)
|
|
Depends(test0_elf_elf, elf_wrapped_lds)
|
|
Return('test0_elf_elf')
|