def set_toolchain(
ma: linux.LinuxShell,
arch = "armv7-eabihf",
libc = "glibc",
typ = "stable",
date = "2018.11-1",
) -> None:
"""
download and set a toolchain from:
https://toolchains.bootlin.com/downloads/releases/toolchains/
!! Bootlin toolchain does not work for U-Boot as there are
problems with relocate-sdk.sh script !!
Also, this part is integrated into tbot now:
tbot/machine/linux/build/toolchain.py
search for EnvSetBootlinToolchain
:param LinuxMachine: Linux machine:
:param str arch: architecture, default "armv7-eabihf"
:param str libc: used libc. default "glibc"
:param str typ: "stable" or "bleeding-edge", defaule "stable"
:param str date: "2018.11-1"
"""
log_event.doc_tag("set_bootlin_toolchain_arch_fixlen", arch)
log_event.doc_tag("set_bootlin_toolchain_libc_fixlen", libc)
log_event.doc_tag("set_bootlin_toolchain_typ_fixlen", typ)
log_event.doc_tag("set_bootlin_toolchain_date_fixlen", date)
log_event.doc_begin("set_toolchain_check_installed")
td = get_toolchain_dir(ma)
ma.exec0("cd", td)
fn = arch + "--" + libc + "--" + typ + "-" + date
fn2 = arch + "/tarballs/" + fn
ending = ".tar.bz2"
tooldir = td / fn / "bin"
ret = ma.exec("test", "-d", tooldir)
log_event.doc_end("set_toolchain_check_installed")
if ret[0] == 1:
log_event.doc_begin("set_toolchain_install")
msg = "Get toolchain " + fn
tbot.log.message(msg)
ma.exec0("wget", "https://toolchains.bootlin.com/downloads/releases/toolchains/" + fn2 + ending)
ma.exec0("tar", "xfj", fn + ending)
ma.exec0("cd", fn)
ma.exec0("./relocate-sdk.sh")
log_event.doc_end("set_toolchain_install")
ret = ma.exec("printenv", "PATH", tbot.machine.linux.Pipe, "grep", "--color=never", tooldir)
if ret[0] == 1:
log_event.doc_begin("set_toolchain_add")
tbot.log.message(f"Add toolchain to PATH ({tooldir})")
old_path = ma.env("PATH")
ma.env("PATH", linux.F("{}:{}", tooldir, old_path))
log_event.doc_end("set_toolchain_add")
ma.exec0("printenv", "PATH")
if "arm" in arch:
log_event.doc_begin("set_toolchain_set_shell_vars")
ma.exec0("export", "ARCH=arm" )
ma.exec0("CROSS_COMPILE=arm-linux-")
log_event.doc_end("set_toolchain_set_shell_vars")
def lx_cmd_exists(
ma: linux.LinuxShell,
cmd,
) -> bool:
ret = ma.exec(linux.Raw(("command -v " + cmd + " >/dev/null 2>&1")))
if ret[0] == 0:
return True
return False
def get_blockdev(host: linux.LinuxShell) -> Optional[linux.Path]:
blockdevices = host.exec(
"find", "/dev", "-type", "b", linux.RedirStderr(host.fsroot / "dev" / "null")
)[1].splitlines()
if blockdevices == []:
return None
blockdev = linux.Path(host, blockdevices[0])
assert blockdev.is_block_device()
return blockdev
def lx_gpio(
ma: linux.LinuxShell,
nr: str,
state: str,
mode: str = "set",
) -> str:
"""
if {mode} == "set" (default):
set gpio {nr} to {state} "on" or "off"
else if {mode} == "get"
return state of gpio 0 = "off", 1 = "on"
returns state
"""
ret = ma.exec("ls", f"{path_gpio}/gpio{nr}")
if ret[0] != 0:
ma.exec0("echo", nr, linux.Raw(">"), f"{path_gpio}/export")
ma.exec0("ls", f"{path_gpio}/gpio{nr}")
if mode == "get":
ma.exec0("echo", "in", linux.Raw(">"), f"{path_gpio}/gpio{nr}/direction")
ret = ma.exec0("cat", f"{path_gpio}/gpio{nr}/value")
if ret.strip() == "0":
return "off"
elif ret.strip() == "1":
return "on"
else:
raise RuntimeError(f"unknown gpio state {ret}")
elif mode == "set":
if state == "on":
val = "1"
else:
val = "0"
ma.exec0("echo", "out", linux.Raw(">"), f"{path_gpio}/gpio{nr}/direction")
ma.exec0("echo", val, linux.Raw(">"), f"{path_gpio}/gpio{nr}/value")
else:
raise RuntimeError(f"unknown mode {mode}")
return state