--- /dev/null
+#!/usr/bin/env python3
+
+import os.path
+import re
+import requests
+import textwrap
+
+BASE_URL = "https://toolchains.bootlin.com/downloads/releases/toolchains"
+
+AUTOGENERATED_COMMENT = """# This file was auto-generated by support/scripts/gen-bootlin-toolchains
+# Do not edit
+"""
+
+# In the below dict:
+
+# - 'conditions' indicate the cumulative conditions under which the
+# toolchain will be made available. In several situations, a given
+# toolchain is usable on several architectures variants (for
+# example, an ARMv6 toolchain can be used on ARMv7)
+# - 'test_options' indicate one specific configuration where the
+# toolchain can be used. It is used to create the runtime test
+# cases. If 'test_options' does not exist, the code assumes it can
+# be made equal to 'conditions'
+# - 'prefix' is the prefix of the cross-compilation toolchain tools
+
+arches = {
+ 'aarch64': {
+ 'conditions': ['BR2_aarch64'],
+ 'prefix': 'aarch64',
+ },
+ 'aarch64be': {
+ 'conditions': ['BR2_aarch64_be'],
+ 'prefix': 'aarch64_be',
+ },
+ 'arcle-750d': {
+ 'conditions': ['BR2_arcle', 'BR2_arc750d'],
+ 'prefix': 'arc',
+ },
+ 'arcle-hs38': {
+ 'conditions': ['BR2_arcle', 'BR2_archs38'],
+ 'prefix': 'arc',
+ },
+ 'armv5-eabi': {
+ 'conditions': ['BR2_ARM_CPU_ARMV5', 'BR2_ARM_EABI'],
+ 'test_options': ['BR2_arm', 'BR2_arm926t', 'BR2_ARM_EABI'],
+ 'prefix': 'arm',
+ },
+ 'armv6-eabihf': {
+ 'conditions': ['BR2_ARM_CPU_ARMV6', 'BR2_ARM_EABIHF'],
+ 'test_options': ['BR2_arm', 'BR2_arm1176jzf_s', 'BR2_ARM_EABIHF'],
+ 'prefix': 'arm',
+ },
+ 'armv7-eabihf': {
+ 'conditions': ['BR2_ARM_CPU_ARMV7A', 'BR2_ARM_EABIHF'],
+ 'test_options': ['BR2_arm', 'BR2_cortex_a8', 'BR2_ARM_EABIHF'],
+ 'prefix': 'arm',
+ },
+ 'armv7m': {
+ 'conditions': ['BR2_ARM_CPU_ARMV7M'],
+ 'test_options': ['BR2_arm', 'BR2_cortex_m4'],
+ 'prefix': 'arm',
+ },
+ 'm68k-68xxx': {
+ 'conditions': ['BR2_m68k_m68k'],
+ 'test_options': ['BR2_m68k', 'BR2_m68k_68040'],
+ 'prefix': 'm68k',
+ },
+ 'm68k-coldfire': {
+ 'conditions': ['BR2_m68k_cf'],
+ 'test_options': ['BR2_m68k', 'BR2_m68k_cf5208'],
+ 'prefix': 'm68k',
+ },
+ 'microblazebe': {
+ 'conditions': ['BR2_microblazebe'],
+ 'prefix': 'microblaze',
+ },
+ 'microblazeel': {
+ 'conditions': ['BR2_microblazeel'],
+ 'prefix': 'microblazeel',
+ },
+ 'mips32': {
+ # Not sure it could be used by other mips32 variants?
+ 'conditions': ['BR2_mips', 'BR2_mips_32', '!BR2_MIPS_SOFT_FLOAT'],
+ 'prefix': 'mips',
+ },
+ 'mips32el': {
+ # Not sure it could be used by other mips32el variants?
+ 'conditions': ['BR2_mipsel', 'BR2_mips_32', '!BR2_MIPS_SOFT_FLOAT'],
+ 'prefix': 'mipsel',
+ },
+ 'mips32r5el': {
+ 'conditions': ['BR2_mipsel', 'BR2_mips_32r5', '!BR2_MIPS_SOFT_FLOAT'],
+ 'prefix': 'mipsel',
+ },
+ 'mips32r6el': {
+ 'conditions': ['BR2_mipsel', 'BR2_mips_32r6', '!BR2_MIPS_SOFT_FLOAT'],
+ 'prefix': 'mipsel',
+ },
+ 'mips64': {
+ # Not sure it could be used by other mips64 variants?
+ 'conditions': ['BR2_mips64', 'BR2_mips_64', '!BR2_MIPS_SOFT_FLOAT'],
+ 'prefix': 'mips64',
+ },
+ 'mips64-n32': {
+ # Not sure it could be used by other mips64 variants?
+ 'conditions': ['BR2_mips64', 'BR2_mips_64', 'BR2_MIPS_NABI32', '!BR2_MIPS_SOFT_FLOAT'],
+ 'prefix': 'mips64',
+ },
+ 'mips64el-n32': {
+ # Not sure it could be used by other mips64el variants?
+ 'conditions': ['BR2_mips64el', 'BR2_mips_64', 'BR2_MIPS_NABI32', '!BR2_MIPS_SOFT_FLOAT'],
+ 'prefix': 'mips64el',
+ },
+ 'mips64r6el-n32': {
+ 'conditions': ['BR2_mips64el', 'BR2_mips_64r6', 'BR2_MIPS_NABI32', '!BR2_MIPS_SOFT_FLOAT'],
+ 'prefix': 'mips64el',
+ },
+ 'nios2': {
+ 'conditions': ['BR2_nios2'],
+ 'prefix': 'nios2',
+ },
+ 'openrisc': {
+ 'conditions': ['BR2_or1k'],
+ 'prefix': 'or1k',
+ },
+ 'powerpc-e500mc': {
+ # Not sure it could be used by other powerpc variants?
+ 'conditions': ['BR2_powerpc', 'BR2_powerpc_e500mc'],
+ 'prefix': 'powerpc',
+ },
+ 'powerpc64-e5500': {
+ 'conditions': ['BR2_powerpc64', 'BR2_powerpc_e5500'],
+ 'prefix': 'powerpc64',
+ },
+ 'powerpc64-power8': {
+ 'conditions': ['BR2_powerpc64', 'BR2_powerpc_power8'],
+ 'prefix': 'powerpc64',
+ },
+ 'powerpc64le-power8': {
+ 'conditions': ['BR2_powerpc64le', 'BR2_powerpc_power8'],
+ 'prefix': 'powerpc64le',
+ },
+ 'riscv32-ilp32d': {
+ 'conditions': ['BR2_riscv', 'BR2_riscv_g', 'BR2_RISCV_32', 'BR2_RISCV_ABI_ILP32D'],
+ 'prefix': 'riscv32',
+ },
+ 'riscv64': {
+ 'conditions': ['BR2_riscv', 'BR2_riscv_g', 'BR2_RISCV_64', 'BR2_RISCV_ABI_LP64'],
+ 'prefix': 'riscv64',
+ },
+ 'sh-sh4': {
+ 'conditions': ['BR2_sh', 'BR2_sh4'],
+ 'prefix': 'sh4',
+ },
+ 'sh-sh4aeb': {
+ 'conditions': ['BR2_sh', 'BR2_sh4aeb'],
+ 'prefix': 'sh4aeb',
+ },
+ 'sparc64': {
+ 'conditions': ['BR2_sparc64', 'BR2_sparc_v9'],
+ 'prefix': 'sparc64',
+ },
+ 'sparcv8': {
+ 'conditions': ['BR2_sparc', 'BR2_sparc_v8'],
+ 'prefix': 'sparc',
+ },
+ 'x86-64-core-i7': {
+ 'conditions': ['BR2_x86_64',
+ 'BR2_X86_CPU_HAS_MMX',
+ 'BR2_X86_CPU_HAS_SSE',
+ 'BR2_X86_CPU_HAS_SSE2',
+ 'BR2_X86_CPU_HAS_SSE3',
+ 'BR2_X86_CPU_HAS_SSSE3',
+ 'BR2_X86_CPU_HAS_SSE4',
+ 'BR2_X86_CPU_HAS_SSE42'],
+ 'test_options': ['BR2_x86_64', 'BR2_x86_corei7'],
+ 'prefix': 'x86_64',
+ },
+ 'x86-core2': {
+ 'conditions': ['BR2_i386',
+ 'BR2_X86_CPU_HAS_MMX',
+ 'BR2_X86_CPU_HAS_SSE',
+ 'BR2_X86_CPU_HAS_SSE2',
+ 'BR2_X86_CPU_HAS_SSE3',
+ 'BR2_X86_CPU_HAS_SSSE3'],
+ 'test_options': ['BR2_i386', 'BR2_x86_core2'],
+ 'prefix': 'i686',
+ },
+ 'x86-i686': {
+ 'conditions': ['BR2_i386',
+ '!BR2_x86_i486',
+ '!BR2_x86_i586',
+ '!BR2_x86_x1000'],
+ 'test_options': ['BR2_i386',
+ 'BR2_x86_i686'],
+ 'prefix': 'i686',
+ },
+ 'xtensa-lx60': {
+ 'conditions': ['BR2_xtensa', 'BR2_xtensa_fsf'],
+ 'prefix': 'xtensa',
+ },
+}
+
+
+class Toolchain:
+ def __init__(self, arch, libc, variant, version):
+ self.arch = arch
+ self.libc = libc
+ self.variant = variant
+ self.version = version
+ self.fname_prefix = "%s--%s--%s-%s" % (self.arch, self.libc, self.variant, self.version)
+ self.option_name = "BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_%s_%s_%s" % \
+ (self.arch.replace("-", "_").upper(), self.libc.upper(), self.variant.replace("-", "_").upper())
+ self.fragment = requests.get(self.fragment_url).text.split("\n")
+ self.sha256 = requests.get(self.hash_url).text.split(" ")[0]
+
+ @property
+ def tarball_url(self):
+ return os.path.join(BASE_URL, self.arch, "tarballs",
+ self.fname_prefix + ".tar.bz2")
+
+ @property
+ def hash_url(self):
+ return os.path.join(BASE_URL, self.arch, "tarballs",
+ self.fname_prefix + ".sha256")
+
+ @property
+ def fragment_url(self):
+ return os.path.join(BASE_URL, self.arch, "fragments",
+ self.fname_prefix + ".frag")
+
+ def gen_config_in_options(self, f):
+ f.write("config %s\n" % self.option_name)
+ f.write("\tbool \"%s %s %s %s\"\n" %
+ (self.arch, self.libc, self.variant, self.version))
+ for c in arches[self.arch]['conditions']:
+ f.write("\tdepends on %s\n" % c)
+ selects = []
+ for frag in self.fragment:
+ # libc type
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_CUSTOM_UCLIBC"):
+ selects.append("BR2_TOOLCHAIN_EXTERNAL_UCLIBC")
+ elif frag.startswith("BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC"):
+ selects.append("BR2_TOOLCHAIN_EXTERNAL_GLIBC")
+ # all glibc toolchains have RPC support
+ selects.append("BR2_TOOLCHAIN_HAS_NATIVE_RPC")
+ elif frag.startswith("BR2_TOOLCHAIN_EXTERNAL_CUSTOM_MUSL"):
+ selects.append("BR2_TOOLCHAIN_EXTERNAL_MUSL")
+
+ # gcc version
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_GCC_"):
+ m = re.match("^BR2_TOOLCHAIN_EXTERNAL_GCC_([0-9_]*)=y$", frag)
+ assert m, "Cannot get gcc version for toolchain %s" % self.fname_prefix
+ selects.append("BR2_TOOLCHAIN_GCC_AT_LEAST_%s" % m[1])
+
+ # kernel headers version
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_HEADERS_"):
+ m = re.match("^BR2_TOOLCHAIN_EXTERNAL_HEADERS_([0-9_]*)=y$", frag)
+ assert m, "Cannot get kernel headers version for toolchain %s" % self.fname_prefix
+ selects.append("BR2_TOOLCHAIN_HEADERS_AT_LEAST_%s" % m[1])
+
+ # C++
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_CXX"):
+ selects.append("BR2_INSTALL_LIBSTDCPP")
+
+ # SSP
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_HAS_SSP"):
+ selects.append("BR2_TOOLCHAIN_HAS_SSP")
+
+ # wchar
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_WCHAR"):
+ selects.append("BR2_USE_WCHAR")
+
+ # locale
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_LOCALE"):
+ # locale implies the availability of wchar
+ selects.append("BR2_USE_WCHAR")
+ selects.append("BR2_ENABLE_LOCALE")
+
+ # thread support
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS"):
+ selects.append("BR2_TOOLCHAIN_HAS_THREADS")
+
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_DEBUG"):
+ selects.append("BR2_TOOLCHAIN_HAS_THREADS_DEBUG")
+
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_HAS_THREADS_NPTL"):
+ selects.append("BR2_TOOLCHAIN_HAS_THREADS_NPTL")
+
+ # RPC
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_INET_RPC"):
+ selects.append("BR2_TOOLCHAIN_HAS_NATIVE_RPC")
+
+ # D language
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_DLANG"):
+ selects.append("BR2_TOOLCHAIN_HAS_DLANG")
+
+ # fortran
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_FORTRAN"):
+ selects.append("BR2_TOOLCHAIN_HAS_FORTRAN")
+
+ # OpenMP
+ if frag.startswith("BR2_TOOLCHAIN_EXTERNAL_OPENMP"):
+ selects.append("BR2_TOOLCHAIN_HAS_OPENMP")
+
+ for select in selects:
+ f.write("\tselect %s\n" % select)
+
+ f.write("\thelp\n")
+
+ desc = "Bootlin toolchain for the %s architecture, using the %s C library. " % \
+ (self.arch, self.libc)
+
+ if self.variant == "stable":
+ desc += "This is a stable version, which means it is using stable and proven versions of gcc, gdb and binutils."
+ else:
+ desc += "This is a bleeding-edge version, which means it is using the latest versions of gcc, gdb and binutils."
+
+ f.write(textwrap.fill(desc, width=62, initial_indent="\t ", subsequent_indent="\t ") + "\n")
+ f.write("\n")
+ f.write("\t https://toolchains.bootlin.com/\n")
+
+ f.write("\n")
+
+ def gen_mk(self, f):
+ f.write("ifeq ($(%s),y)\n" % self.option_name)
+ f.write("TOOLCHAIN_EXTERNAL_BOOTLIN_VERSION = %s\n" % self.version)
+ f.write("TOOLCHAIN_EXTERNAL_BOOTLIN_SOURCE = %s--%s--%s-$(TOOLCHAIN_EXTERNAL_BOOTLIN_VERSION).tar.bz2\n" %
+ (self.arch, self.libc, self.variant))
+ f.write("TOOLCHAIN_EXTERNAL_BOOTLIN_SITE = %s\n" %
+ os.path.join(BASE_URL, self.arch, "tarballs"))
+ f.write("endif\n\n")
+ pass
+
+ def gen_hash(self, f):
+ f.write("# From %s\n" % self.hash_url)
+ f.write("sha256 %s %s\n" % (self.sha256, os.path.basename(self.tarball_url)))
+
+ def gen_test(self, f):
+ if self.variant == "stable":
+ variant = "Stable"
+ else:
+ variant = "BleedingEdge"
+ testname = "TestExternalToolchainBootlin" + \
+ self.arch.replace("-", "").capitalize() + \
+ self.libc.capitalize() + variant
+ f.write("\n\n")
+ f.write("class %s(TestExternalToolchain):\n" % testname)
+ f.write(" config = \"\"\"\n")
+ if 'test_options' in arches[self.arch]:
+ test_options = arches[self.arch]['test_options']
+ else:
+ test_options = arches[self.arch]['conditions']
+ for opt in test_options:
+ if opt.startswith("!"):
+ f.write(" # %s is not set\n" % opt[1:])
+ else:
+ f.write(" %s=y\n" % opt)
+ f.write(" BR2_TOOLCHAIN_EXTERNAL=y\n")
+ f.write(" BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y\n")
+ f.write(" %s=y\n" % self.option_name)
+ f.write(" # BR2_TARGET_ROOTFS_TAR is not set\n")
+ f.write(" \"\"\"\n")
+ f.write(" toolchain_prefix = \"%s-linux\"\n" % arches[self.arch]['prefix'])
+ f.write("\n")
+ f.write(" def test_run(self):\n")
+ f.write(" TestExternalToolchain.common_check(self)\n")
+
+ def __repr__(self):
+ return "Toolchain(arch=%s libc=%s variant=%s version=%s, option=%s)" % \
+ (self.arch, self.libc, self.variant, self.version, self.option_name)
+
+
+def get_toolchains():
+ toolchains = list()
+ for arch, details in arches.items():
+ print(arch)
+ url = os.path.join(BASE_URL, arch, "available_toolchains")
+ page = requests.get(url).text
+ fnames = sorted(re.findall(r'<td><a href="(\w[^"]+)"', page))
+ print(fnames)
+ # This dict will allow us to keep only the latest version for
+ # each toolchain.
+ tmp = dict()
+ for fname in fnames:
+ parts = fname.split('--')
+ assert parts[0] == arch, "Arch does not match: %s vs. %s" % (parts[0], arch)
+ libc = parts[1]
+ if parts[2].startswith("stable-"):
+ variant = "stable"
+ version = parts[2][len("stable-"):]
+ elif parts[2].startswith("bleeding-edge-"):
+ variant = "bleeding-edge"
+ version = parts[2][len("bleeding-edge-"):]
+ tmp[(arch, libc, variant)] = version
+
+ toolchains += [Toolchain(k[0], k[1], k[2], v) for k, v in tmp.items()]
+
+ return toolchains
+
+
+def gen_config_in_options(toolchains, fpath):
+ with open(fpath, "w") as f:
+ f.write(AUTOGENERATED_COMMENT)
+
+ f.write("config BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_ARCH_SUPPORTS\n")
+ f.write("\tbool\n")
+ for arch, details in arches.items():
+ f.write("\tdefault y if %s\n" % " && ".join(details['conditions']))
+ f.write("\n")
+
+ f.write("if BR2_TOOLCHAIN_EXTERNAL_BOOTLIN\n\n")
+
+ f.write("config BR2_TOOLCHAIN_EXTERNAL_PREFIX\n")
+ f.write("\tdefault \"$(ARCH)-linux\"\n")
+
+ f.write("\n")
+
+ f.write("config BR2_PACKAGE_PROVIDES_TOOLCHAIN_EXTERNAL\n")
+ f.write("\tdefault \"toolchain-external-bootlin\"\n")
+
+ f.write("\n")
+
+ f.write("choice\n")
+ f.write("\tprompt \"Bootlin toolchain variant\"\n")
+
+ for toolchain in toolchains:
+ toolchain.gen_config_in_options(f)
+
+ f.write("endchoice\n")
+ f.write("endif\n")
+
+
+def gen_mk(toolchains, fpath):
+ with open(fpath, "w") as f:
+ f.write("#" * 80 + "\n")
+ f.write("#\n")
+ f.write("# toolchain-external-bootlin\n")
+ f.write("#\n")
+ f.write("#" * 80 + "\n")
+ f.write("\n")
+ f.write(AUTOGENERATED_COMMENT)
+ for toolchain in toolchains:
+ toolchain.gen_mk(f)
+ f.write("$(eval $(toolchain-external-package))\n")
+
+
+def gen_hash(toolchains, fpath):
+ with open(fpath, "w") as f:
+ f.write(AUTOGENERATED_COMMENT)
+ for toolchain in toolchains:
+ toolchain.gen_hash(f)
+
+
+def gen_runtime_test(toolchains, fpath):
+ with open(fpath, "w") as f:
+ f.write(AUTOGENERATED_COMMENT)
+ f.write("from tests.toolchain.test_external import TestExternalToolchain\n")
+ for toolchain in toolchains:
+ toolchain.gen_test(f)
+
+
+def gen_toolchains(toolchains):
+ maindir = "toolchain/toolchain-external/toolchain-external-bootlin"
+ gen_config_in_options(toolchains, os.path.join(maindir, "Config.in.options"))
+ gen_mk(toolchains, os.path.join(maindir, "toolchain-external-bootlin.mk"))
+ gen_hash(toolchains, os.path.join(maindir, "toolchain-external-bootlin.hash"))
+ gen_runtime_test(toolchains,
+ os.path.join("support", "testing", "tests", "toolchain", "test_external_bootlin.py"))
+
+
+toolchains = get_toolchains()
+gen_toolchains(toolchains)