Made necessary changes to make test0 link at an adjustable address

This commit is contained in:
Bahadir Balban
2009-10-17 13:24:26 +03:00
parent 6df923c34d
commit fc95d95454
5 changed files with 43 additions and 7 deletions

View File

@@ -44,8 +44,8 @@ def build_parse_options():
(options, args) = parser.parse_args()
autogen_true = options.backup_config or options.reset_old_config \
or options.cml_file or options.config \
or options.ncont or options.arch or not os.path.exists(CML2_CML_FILE)
or options.cml_file or options.ncont \
or options.arch or not os.path.exists(CML2_CML_FILE)
# Prepare default if arch not supplied
if autogen_true and not options.arch:

View File

@@ -63,5 +63,7 @@ objs = e.Object(src)
mm0 = e.Program('mm0.elf', objs)
Depends(objs, container_h)
Depends(mm0, lma_lds)
Depends(mm0, container_h)
AlwaysBuild(container_h)
Return('mm0')

View File

@@ -20,6 +20,33 @@ asm_string = \
.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)
@@ -28,15 +55,20 @@ 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 % (container.pager_task_region_start, next_available_lma(source[0].path)))
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' + "test0/include/test_exec_linker.lds")
test_exec_env.Append(LINKFLAGS = '-T' + test_exec_lds[0].path)
test_exec_env.Append(CPPFLAGS = ' -D__USERSPACE__')
test_exec_env.Replace(PROGSUFFIX = '')
test_exec_src = Glob('src/test_exec/*.[cS]')
@@ -44,7 +76,8 @@ 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, 'include/test_exec_linker.lds')
Depends(test_exec, test_exec_lds)
AlwaysBuild(test_exec_lds)
env.Append(LIBS = ['posix', 'c-userspace'])
env.Append(LINKFLAGS = '-T' + lma_lds[0].path)
@@ -84,5 +117,6 @@ 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')

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@@ -4,7 +4,7 @@
* Copyright (C) 2007 Bahadir Balban
*/
virtual_base = 0x10000000;
virtual_base = %s;
/* First page before the env/args */

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@@ -52,7 +52,7 @@ int user_mutex_test(void)
__FUNCTION__, (int)base);
goto out_err;
} else
test_printf("mmap: Anonymous shared buffer at %p\n", base);
printf("mmap: Anonymous shared buffer at %p\n", base);
shared_page = base;