+++ /dev/null
-#!/usr/bin/env python3
-"""
-# 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
-import struct
-
-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_tee_node(file, atf_index, phy_addr, elf_entry):
- # Append TEE DT node to input FIT dts file.
- data = 'tee_0x%08x.bin' % phy_addr
- file.write('\t\tatf_%d {\n' % atf_index)
- file.write('\t\t\tdescription = \"TEE\";\n')
- file.write('\t\t\tdata = /incbin/("%s");\n' % data)
- file.write('\t\t\ttype = "tee";\n')
- file.write('\t\t\tarch = "arm64";\n')
- file.write('\t\t\tos = "tee";\n')
- file.write('\t\t\tcompression = "none";\n')
- file.write('\t\t\tload = <0x%08x>;\n' % phy_addr)
- 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 > 1:
- 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 <= 1:
- file.write(';\n')
- file.write('\t\t\tfdt = "fdt_%d";\n' % cnt)
- 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):
- segments = unpack_elf(uboot_file_name)
- if len(segments) != 1:
- raise ValueError("Invalid u-boot ELF image '%s'" % uboot_file_name)
- index, entry, p_paddr, data = segments[0]
- fit_file.write(DT_UBOOT % p_paddr)
-
-def generate_atf_fit_dts_bl31(fit_file, bl31_file_name, tee_file_name, dtbs_file_name):
- segments = unpack_elf(bl31_file_name)
- for index, entry, paddr, data in segments:
- append_bl31_node(fit_file, index + 1, paddr, entry)
- num_segments = len(segments)
-
- if tee_file_name:
- tee_segments = unpack_tee_file(tee_file_name)
- for index, entry, paddr, data in tee_segments:
- append_tee_node(fit_file, num_segments + index + 1, paddr, entry)
- num_segments = num_segments + len(tee_segments)
-
- append_fdt_node(fit_file, dtbs_file_name)
- fit_file.write(DT_IMAGES_NODE_END)
- append_conf_node(fit_file, dtbs_file_name, num_segments)
-
-def generate_atf_fit_dts(fit_file_name, bl31_file_name, tee_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, tee_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):
- for index, entry, paddr, data in unpack_elf(bl31_file_name):
- file_name = 'bl31_0x%08x.bin' % paddr
- with open(file_name, "wb") as atf:
- atf.write(data)
-
-def generate_tee_binary(tee_file_name):
- if tee_file_name:
- for index, entry, paddr, data in unpack_tee_file(tee_file_name):
- file_name = 'tee_0x%08x.bin' % paddr
- with open(file_name, "wb") as atf:
- atf.write(data)
-
-def unpack_elf(filename):
- with open(filename, 'rb') as file:
- elf = file.read()
- if elf[0:7] != b'\x7fELF\x02\x01\x01' or elf[18:20] != b'\xb7\x00':
- raise ValueError("Invalid arm64 ELF file '%s'" % filename)
-
- e_entry, e_phoff = struct.unpack_from('<2Q', elf, 0x18)
- e_phentsize, e_phnum = struct.unpack_from('<2H', elf, 0x36)
- segments = []
-
- for index in range(e_phnum):
- offset = e_phoff + e_phentsize * index
- p_type, p_flags, p_offset = struct.unpack_from('<LLQ', elf, offset)
- if p_type == 1: # PT_LOAD
- p_paddr, p_filesz = struct.unpack_from('<2Q', elf, offset + 0x18)
- if p_filesz > 0:
- p_data = elf[p_offset:p_offset + p_filesz]
- segments.append((index, e_entry, p_paddr, p_data))
- return segments
-
-def unpack_tee_file(filename):
- if filename.endswith('.elf'):
- return unpack_elf(filename)
- with open(filename, 'rb') as file:
- bin = file.read()
- segments = []
- if bin[0:5] == b'OPTE\x01':
- # OP-TEE v1 format (tee.bin)
- init_sz, start_hi, start_lo, _, paged_sz = struct.unpack_from('<5I',
- bin,
- 0x8)
- if paged_sz != 0:
- raise ValueError("OP-TEE paged mode not supported")
- e_entry = (start_hi << 32) + start_lo
- p_addr = e_entry
- p_data = bin[0x1c:]
- if len(p_data) != init_sz:
- raise ValueError("Invalid file '%s': size mismatch "
- "(expected %d, have %d)" % (filename, init_sz,
- len(p_data)))
- segments.append((0, e_entry, p_addr, p_data))
- else:
- raise ValueError("Unknown format for TEE file '%s'" % filename)
- return segments
-
-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')
-
- if "TEE" in os.environ:
- tee_file = os.getenv("TEE")
- elif os.path.isfile("./tee.bin"):
- tee_file = "./tee.bin"
- elif os.path.isfile("./tee.elf"):
- tee_file = "./tee.elf"
- else:
- tee_file = ""
-
- opts, args = getopt.getopt(sys.argv[1:], "o:u:b:t: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 == "-t":
- tee_file = val
- elif opt == "-h":
- print(__doc__)
- sys.exit(2)
-
- dtbs = args
-
- generate_atf_fit_dts(fit_its, bl31_elf, tee_file, uboot_elf, dtbs)
- generate_atf_binary(bl31_elf)
- generate_tee_binary(tee_file)
-
-if __name__ == "__main__":
- main()
projects / u-boot.git / commitdiff