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import os | ||
import subprocess | ||
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PREFIX = "arm-none-eabi-" | ||
BUILDER = "DEV" | ||
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common_flags = [] | ||
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panda_root = Dir('.').abspath | ||
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if os.getenv("RELEASE"): | ||
BUILD_TYPE = "RELEASE" | ||
cert_fn = os.getenv("CERT") | ||
assert cert_fn is not None, 'No certificate file specified. Please set CERT env variable' | ||
assert os.path.exists(cert_fn), 'Certificate file not found. Please specify absolute path' | ||
else: | ||
BUILD_TYPE = "DEBUG" | ||
cert_fn = File("./certs/debug").srcnode().abspath | ||
common_flags += ["-DALLOW_DEBUG"] | ||
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if os.getenv("DEBUG"): | ||
common_flags += ["-DDEBUG"] | ||
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def objcopy(source, target, env, for_signature): | ||
return '$OBJCOPY -O binary %s %s' % (source[0], target[0]) | ||
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def get_version(builder, build_type): | ||
try: | ||
git = subprocess.check_output(["git", "rev-parse", "--short=8", "HEAD"], encoding='utf8').strip() | ||
except subprocess.CalledProcessError: | ||
git = "unknown" | ||
return f"{builder}-{git}-{build_type}" | ||
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def get_key_header(name): | ||
from Crypto.PublicKey import RSA | ||
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public_fn = File(f'./certs/{name}.pub').srcnode().abspath | ||
with open(public_fn) as f: | ||
rsa = RSA.importKey(f.read()) | ||
assert(rsa.size_in_bits() == 1024) | ||
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rr = pow(2**1024, 2, rsa.n) | ||
n0inv = 2**32 - pow(rsa.n, -1, 2**32) | ||
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r = [ | ||
f"RSAPublicKey {name}_rsa_key = {{", | ||
f" .len = 0x20,", | ||
f" .n0inv = {n0inv}U,", | ||
f" .n = {to_c_uint32(rsa.n)},", | ||
f" .rr = {to_c_uint32(rr)},", | ||
f" .exponent = {rsa.e},", | ||
f"}};", | ||
] | ||
return r | ||
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def to_c_uint32(x): | ||
nums = [] | ||
for _ in range(0x20): | ||
nums.append(x % (2**32)) | ||
x //= (2**32) | ||
return "{" + 'U,'.join(map(str, nums)) + "U}" | ||
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def build_project(project_name, project, extra_flags): | ||
linkerscript_fn = File(project["LINKER_SCRIPT"]).srcnode().abspath | ||
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flags = project["PROJECT_FLAGS"] + extra_flags + common_flags + [ | ||
"-Wall", | ||
"-Wextra", | ||
"-Wstrict-prototypes", | ||
"-Werror", | ||
"-mlittle-endian", | ||
"-mthumb", | ||
"-nostdlib", | ||
"-fno-builtin", | ||
"-std=gnu11", | ||
"-fmax-errors=3", | ||
f"-T{linkerscript_fn}", | ||
] | ||
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includes = [ | ||
'.', | ||
'..', | ||
panda_root, | ||
f"{panda_root}/board/", | ||
f"{panda_root}/board/stm32fx/inc", | ||
f"{panda_root}/board/stm32h7/inc", | ||
] | ||
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env = Environment( | ||
ENV=os.environ, | ||
CC=PREFIX + 'gcc', | ||
AS=PREFIX + 'gcc', | ||
OBJCOPY=PREFIX + 'objcopy', | ||
OBJDUMP=PREFIX + 'objdump', | ||
CFLAGS=flags, | ||
ASFLAGS=flags, | ||
LINKFLAGS=flags, | ||
CPPPATH=includes, | ||
ASCOM="$AS $ASFLAGS -o $TARGET -c $SOURCES", | ||
BUILDERS={ | ||
'Objcopy': Builder(generator=objcopy, suffix='.bin', src_suffix='.elf') | ||
} | ||
) | ||
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startup = env.Object(f"obj/startup_{project_name}", project["STARTUP_FILE"]) | ||
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# Bootstub | ||
crypto_obj = [ | ||
env.Object(f"rsa-{project_name}", f"{panda_root}/crypto/rsa.c"), | ||
env.Object(f"sha-{project_name}", f"{panda_root}/crypto/sha.c") | ||
] | ||
bootstub_obj = env.Object(f"bootstub-{project_name}", File(project.get("BOOTSTUB", f"{panda_root}/board/bootstub.c"))) | ||
bootstub_elf = env.Program(f"obj/bootstub.{project_name}.elf", | ||
[startup] + crypto_obj + [bootstub_obj]) | ||
env.Objcopy(f"obj/bootstub.{project_name}.bin", bootstub_elf) | ||
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# Build main | ||
main_obj = env.Object(f"main-{project_name}", project["MAIN"]) | ||
main_elf = env.Program(f"obj/{project_name}.elf", [startup, main_obj], | ||
LINKFLAGS=[f"-Wl,--section-start,.isr_vector={project['APP_START_ADDRESS']}"] + flags) | ||
main_bin = env.Objcopy(f"obj/{project_name}.bin", main_elf) | ||
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# Sign main | ||
sign_py = File(f"{panda_root}/crypto/sign.py").srcnode().abspath | ||
env.Command(f"obj/{project_name}.bin.signed", main_bin, f"SETLEN=1 {sign_py} $SOURCE $TARGET {cert_fn}") | ||
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base_project_f4 = { | ||
"MAIN": "main.c", | ||
"STARTUP_FILE": File("./board/stm32fx/startup_stm32f413xx.s"), | ||
"LINKER_SCRIPT": File("./board/stm32fx/stm32f4_flash.ld"), | ||
"APP_START_ADDRESS": "0x8004000", | ||
"PROJECT_FLAGS": [ | ||
"-mcpu=cortex-m4", | ||
"-mhard-float", | ||
"-DSTM32F4", | ||
"-DSTM32F413xx", | ||
"-mfpu=fpv4-sp-d16", | ||
"-fsingle-precision-constant", | ||
"-Os", | ||
"-g", | ||
], | ||
} | ||
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base_project_h7 = { | ||
"MAIN": "main.c", | ||
"STARTUP_FILE": File("./board/stm32h7/startup_stm32h7x5xx.s"), | ||
"LINKER_SCRIPT": File("./board/stm32h7/stm32h7x5_flash.ld"), | ||
"APP_START_ADDRESS": "0x8020000", | ||
"PROJECT_FLAGS": [ | ||
"-mcpu=cortex-m7", | ||
"-mhard-float", | ||
"-DSTM32H7", | ||
"-DSTM32H725xx", | ||
"-mfpu=fpv5-d16", | ||
"-fsingle-precision-constant", | ||
"-Os", | ||
"-g", | ||
], | ||
} | ||
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Export('base_project_f4', 'build_project') | ||
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# Common autogenerated includes | ||
with open("board/obj/gitversion.h", "w") as f: | ||
f.write(f'const uint8_t gitversion[] = "{get_version(BUILDER, BUILD_TYPE)}";\n') | ||
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with open("board/obj/version", "w") as f: | ||
f.write(f'{get_version(BUILDER, BUILD_TYPE)}') | ||
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certs = [get_key_header(n) for n in ["debug", "release"]] | ||
with open("board/obj/cert.h", "w") as f: | ||
for cert in certs: | ||
f.write("\n".join(cert) + "\n") | ||
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# panda fw | ||
SConscript('board/SConscript') | ||
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# pedal fw | ||
SConscript('board/pedal/SConscript') | ||
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# panda jungle fw | ||
#SConscript('board/jungle/SConscript') | ||
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# test files | ||
if GetOption('test'): | ||
if GetOption('extras'): | ||
SConscript('tests/libpanda/SConscript') |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,28 @@ | ||
import copy | ||
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Import('build_project') | ||
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build_projects = {} | ||
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build_projects["pedal"] = { | ||
"MAIN": "main.c", | ||
"BOOTSTUB": "../bootstub.c", | ||
"STARTUP_FILE": "../stm32fx/startup_stm32f205xx.s", | ||
"LINKER_SCRIPT": "../stm32fx/stm32f2_flash.ld", | ||
"APP_START_ADDRESS": "0x8004000", | ||
"PROJECT_FLAGS": [ | ||
"-mcpu=cortex-m3", | ||
"-msoft-float", | ||
"-DSTM32F2", | ||
"-DSTM32F205xx", | ||
"-O2", | ||
"-DPEDAL", | ||
], | ||
} | ||
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# build with the USB driver enabled | ||
build_projects["pedal_usb"] = copy.deepcopy(build_projects["pedal"]) | ||
build_projects["pedal_usb"]["PROJECT_FLAGS"].append("-DPEDAL_USB") | ||
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for project_name, project in build_projects.items(): | ||
build_project(project_name, project, []) |
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