ae0bf2214b
When a FIT includes some OS requests, U-Boot should process these and add the requested info to corresponding subnodes of the /chosen node. Add a pytest for this, which sets up the FIT, runs bootm and then uses a C unit test to check that everything looks OK. The test needs to run on sandbox_flattree since we don't support device tree fixups on sandbox (live tree) yet. So enable BOOTMETH_VBE and disable bootflow_system(), since EFI is not supported on sandbox_flattree. Add a link to the initial documentation. Signed-off-by: Simon Glass <sjg@chromium.org>
94 lines
3.0 KiB
Python
94 lines
3.0 KiB
Python
# SPDX-License-Identifier: GPL-2.0+
|
|
# Copyright 2022 Google LLC
|
|
|
|
"""Common utility functions for FIT tests"""
|
|
|
|
import os
|
|
|
|
import u_boot_utils as util
|
|
|
|
def make_fname(cons, basename):
|
|
"""Make a temporary filename
|
|
|
|
Args:
|
|
cons (ConsoleBase): u_boot_console to use
|
|
basename (str): Base name of file to create (within temporary directory)
|
|
Return:
|
|
Temporary filename
|
|
"""
|
|
|
|
return os.path.join(cons.config.build_dir, basename)
|
|
|
|
def make_its(cons, base_its, params, basename='test.its'):
|
|
"""Make a sample .its file with parameters embedded
|
|
|
|
Args:
|
|
cons (ConsoleBase): u_boot_console to use
|
|
base_its (str): Template text for the .its file, typically containing
|
|
%() references
|
|
params (dict of str): Parameters to embed in the %() strings
|
|
basename (str): base name to write to (will be placed in the temp dir)
|
|
Returns:
|
|
str: Filename of .its file created
|
|
"""
|
|
its = make_fname(cons, basename)
|
|
with open(its, 'w', encoding='utf-8') as outf:
|
|
print(base_its % params, file=outf)
|
|
return its
|
|
|
|
def make_fit(cons, mkimage, base_its, params, basename='test.fit', base_fdt=None):
|
|
"""Make a sample .fit file ready for loading
|
|
|
|
This creates a .its script with the selected parameters and uses mkimage to
|
|
turn this into a .fit image.
|
|
|
|
Args:
|
|
cons (ConsoleBase): u_boot_console to use
|
|
mkimage (str): Filename of 'mkimage' utility
|
|
base_its (str): Template text for the .its file, typically containing
|
|
%() references
|
|
params (dict of str): Parameters to embed in the %() strings
|
|
basename (str): base name to write to (will be placed in the temp dir)
|
|
Return:
|
|
Filename of .fit file created
|
|
"""
|
|
fit = make_fname(cons, basename)
|
|
its = make_its(cons, base_its, params)
|
|
util.run_and_log(cons, [mkimage, '-f', its, fit])
|
|
if base_fdt:
|
|
with open(make_fname(cons, 'u-boot.dts'), 'w') as fd:
|
|
fd.write(base_fdt)
|
|
return fit
|
|
|
|
def make_kernel(cons, basename, text):
|
|
"""Make a sample kernel with test data
|
|
|
|
Args:
|
|
cons (ConsoleBase): u_boot_console to use
|
|
basename (str): base name to write to (will be placed in the temp dir)
|
|
text (str): Contents of the kernel file (will be repeated 100 times)
|
|
Returns:
|
|
str: Full path and filename of the kernel it created
|
|
"""
|
|
fname = make_fname(cons, basename)
|
|
data = ''
|
|
for i in range(100):
|
|
data += f'this {text} {i} is unlikely to boot\n'
|
|
with open(fname, 'w', encoding='utf-8') as outf:
|
|
print(data, file=outf)
|
|
return fname
|
|
|
|
def make_dtb(cons, base_fdt, basename):
|
|
"""Make a sample .dts file and compile it to a .dtb
|
|
|
|
Returns:
|
|
cons (ConsoleBase): u_boot_console to use
|
|
Filename of .dtb file created
|
|
"""
|
|
src = make_fname(cons, f'{basename}.dts')
|
|
dtb = make_fname(cons, f'{basename}.dtb')
|
|
with open(src, 'w', encoding='utf-8') as outf:
|
|
outf.write(base_fdt)
|
|
util.run_and_log(cons, ['dtc', src, '-O', 'dtb', '-o', dtb])
|
|
return dtb
|