mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-22 18:09:03 +09:00
![Andy Yan](/assets/img/avatar_default.png)
Commit b238e4b00c
("rockchip: Cleanup of make_fit_atf.py.") set
firmware = "atf_1";
loadables = "uboot","atf_1","atf_2";
Actually it should be:
firmware = "atf_1";
loadables = "uboot","atf_2","atf_3";
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
211 lines
6.2 KiB
Python
Executable File
211 lines
6.2 KiB
Python
Executable File
#!/usr/bin/env python
|
|
"""
|
|
# SPDX-License-Identifier: GPL-2.0+
|
|
#
|
|
# A script to generate FIT image source for rockchip boards
|
|
# with ARM Trusted Firmware
|
|
# and multiple device trees (given on the command line)
|
|
#
|
|
# usage: $0 <dt_name> [<dt_name> [<dt_name] ...]
|
|
"""
|
|
|
|
import os
|
|
import sys
|
|
import getopt
|
|
import logging
|
|
|
|
# pip install pyelftools
|
|
from elftools.elf.elffile import ELFFile
|
|
|
|
ELF_SEG_P_TYPE = 'p_type'
|
|
ELF_SEG_P_PADDR = 'p_paddr'
|
|
ELF_SEG_P_VADDR = 'p_vaddr'
|
|
ELF_SEG_P_OFFSET = 'p_offset'
|
|
ELF_SEG_P_FILESZ = 'p_filesz'
|
|
ELF_SEG_P_MEMSZ = 'p_memsz'
|
|
|
|
DT_HEADER = """
|
|
/*
|
|
* This is a generated file.
|
|
*/
|
|
/dts-v1/;
|
|
|
|
/ {
|
|
description = "FIT image for U-Boot with bl31 (TF-A)";
|
|
#address-cells = <1>;
|
|
|
|
images {
|
|
"""
|
|
|
|
DT_UBOOT = """
|
|
uboot {
|
|
description = "U-Boot (64-bit)";
|
|
data = /incbin/("u-boot-nodtb.bin");
|
|
type = "standalone";
|
|
os = "U-Boot";
|
|
arch = "arm64";
|
|
compression = "none";
|
|
load = <0x%08x>;
|
|
};
|
|
|
|
"""
|
|
|
|
DT_IMAGES_NODE_END = """ };
|
|
|
|
"""
|
|
|
|
DT_END = "};"
|
|
|
|
def append_bl31_node(file, atf_index, phy_addr, elf_entry):
|
|
# Append BL31 DT node to input FIT dts file.
|
|
data = 'bl31_0x%08x.bin' % phy_addr
|
|
file.write('\t\tatf_%d {\n' % atf_index)
|
|
file.write('\t\t\tdescription = \"ARM Trusted Firmware\";\n')
|
|
file.write('\t\t\tdata = /incbin/("%s");\n' % data)
|
|
file.write('\t\t\ttype = "firmware";\n')
|
|
file.write('\t\t\tarch = "arm64";\n')
|
|
file.write('\t\t\tos = "arm-trusted-firmware";\n')
|
|
file.write('\t\t\tcompression = "none";\n')
|
|
file.write('\t\t\tload = <0x%08x>;\n' % phy_addr)
|
|
if atf_index == 1:
|
|
file.write('\t\t\tentry = <0x%08x>;\n' % elf_entry)
|
|
file.write('\t\t};\n')
|
|
file.write('\n')
|
|
|
|
def append_fdt_node(file, dtbs):
|
|
# Append FDT nodes.
|
|
cnt = 1
|
|
for dtb in dtbs:
|
|
dtname = os.path.basename(dtb)
|
|
file.write('\t\tfdt_%d {\n' % cnt)
|
|
file.write('\t\t\tdescription = "%s";\n' % dtname)
|
|
file.write('\t\t\tdata = /incbin/("%s");\n' % dtb)
|
|
file.write('\t\t\ttype = "flat_dt";\n')
|
|
file.write('\t\t\tcompression = "none";\n')
|
|
file.write('\t\t};\n')
|
|
file.write('\n')
|
|
cnt = cnt + 1
|
|
|
|
def append_conf_section(file, cnt, dtname, segments):
|
|
file.write('\t\tconfig_%d {\n' % cnt)
|
|
file.write('\t\t\tdescription = "%s";\n' % dtname)
|
|
file.write('\t\t\tfirmware = "atf_1";\n')
|
|
file.write('\t\t\tloadables = "uboot"')
|
|
if segments != 0:
|
|
file.write(',')
|
|
for i in range(1, segments):
|
|
file.write('"atf_%d"' % (i + 1))
|
|
if i != (segments - 1):
|
|
file.write(',')
|
|
else:
|
|
file.write(';\n')
|
|
if segments == 0:
|
|
file.write(';\n')
|
|
file.write('\t\t\tfdt = "fdt_1";\n')
|
|
file.write('\t\t};\n')
|
|
file.write('\n')
|
|
|
|
def append_conf_node(file, dtbs, segments):
|
|
# Append configeration nodes.
|
|
cnt = 1
|
|
file.write('\tconfigurations {\n')
|
|
file.write('\t\tdefault = "config_1";\n')
|
|
for dtb in dtbs:
|
|
dtname = os.path.basename(dtb)
|
|
append_conf_section(file, cnt, dtname, segments)
|
|
cnt = cnt + 1
|
|
file.write('\t};\n')
|
|
file.write('\n')
|
|
|
|
def generate_atf_fit_dts_uboot(fit_file, uboot_file_name):
|
|
num_load_seg = 0
|
|
p_paddr = 0xFFFFFFFF
|
|
with open(uboot_file_name, 'rb') as uboot_file:
|
|
uboot = ELFFile(uboot_file)
|
|
for i in range(uboot.num_segments()):
|
|
seg = uboot.get_segment(i)
|
|
if seg.__getitem__(ELF_SEG_P_TYPE) == 'PT_LOAD':
|
|
p_paddr = seg.__getitem__(ELF_SEG_P_PADDR)
|
|
num_load_seg = num_load_seg + 1
|
|
|
|
assert (p_paddr != 0xFFFFFFFF and num_load_seg == 1)
|
|
|
|
fit_file.write(DT_UBOOT % p_paddr)
|
|
|
|
def generate_atf_fit_dts_bl31(fit_file, bl31_file_name, dtbs_file_name):
|
|
with open(bl31_file_name, 'rb') as bl31_file:
|
|
bl31 = ELFFile(bl31_file)
|
|
elf_entry = bl31.header['e_entry']
|
|
segments = bl31.num_segments()
|
|
for i in range(segments):
|
|
seg = bl31.get_segment(i)
|
|
if seg.__getitem__(ELF_SEG_P_TYPE) == 'PT_LOAD':
|
|
paddr = seg.__getitem__(ELF_SEG_P_PADDR)
|
|
append_bl31_node(fit_file, i + 1, paddr, elf_entry)
|
|
append_fdt_node(fit_file, dtbs_file_name)
|
|
fit_file.write(DT_IMAGES_NODE_END)
|
|
append_conf_node(fit_file, dtbs_file_name, segments)
|
|
|
|
def generate_atf_fit_dts(fit_file_name, bl31_file_name, uboot_file_name, dtbs_file_name):
|
|
# Generate FIT script for ATF image.
|
|
if fit_file_name != sys.stdout:
|
|
fit_file = open(fit_file_name, "wb")
|
|
else:
|
|
fit_file = sys.stdout
|
|
|
|
fit_file.write(DT_HEADER)
|
|
generate_atf_fit_dts_uboot(fit_file, uboot_file_name)
|
|
generate_atf_fit_dts_bl31(fit_file, bl31_file_name, dtbs_file_name)
|
|
fit_file.write(DT_END)
|
|
|
|
if fit_file_name != sys.stdout:
|
|
fit_file.close()
|
|
|
|
def generate_atf_binary(bl31_file_name):
|
|
with open(bl31_file_name, 'rb') as bl31_file:
|
|
bl31 = ELFFile(bl31_file)
|
|
|
|
num = bl31.num_segments()
|
|
for i in range(num):
|
|
seg = bl31.get_segment(i)
|
|
if seg.__getitem__(ELF_SEG_P_TYPE) == 'PT_LOAD':
|
|
paddr = seg.__getitem__(ELF_SEG_P_PADDR)
|
|
file_name = 'bl31_0x%08x.bin' % paddr
|
|
with open(file_name, "wb") as atf:
|
|
atf.write(seg.data())
|
|
|
|
def main():
|
|
uboot_elf = "./u-boot"
|
|
fit_its = sys.stdout
|
|
if "BL31" in os.environ:
|
|
bl31_elf=os.getenv("BL31");
|
|
elif os.path.isfile("./bl31.elf"):
|
|
bl31_elf = "./bl31.elf"
|
|
else:
|
|
os.system("echo 'int main(){}' > bl31.c")
|
|
os.system("${CROSS_COMPILE}gcc -c bl31.c -o bl31.elf")
|
|
bl31_elf = "./bl31.elf"
|
|
logging.basicConfig(format='%(levelname)s:%(message)s', level=logging.DEBUG)
|
|
logging.warning(' BL31 file bl31.elf NOT found, resulting binary is non-functional')
|
|
logging.warning(' Please read Building section in doc/README.rockchip')
|
|
|
|
opts, args = getopt.getopt(sys.argv[1:], "o:u:b:h")
|
|
for opt, val in opts:
|
|
if opt == "-o":
|
|
fit_its = val
|
|
elif opt == "-u":
|
|
uboot_elf = val
|
|
elif opt == "-b":
|
|
bl31_elf = val
|
|
elif opt == "-h":
|
|
print(__doc__)
|
|
sys.exit(2)
|
|
|
|
dtbs = args
|
|
|
|
generate_atf_fit_dts(fit_its, bl31_elf, uboot_elf, dtbs)
|
|
generate_atf_binary(bl31_elf)
|
|
|
|
if __name__ == "__main__":
|
|
main()
|