Files
poky/meta/classes-recipe/rust-target-config.bbclass
Willy Tu 64d28fb55d rust-target-config: fix feature for vfpv4f16
Based on [1] which fixed the target for vfpv3d16. Adding the support for
vfpv4d16 with the same set of changes.

Tested with running tokio which hit coredump before the change. It
worked fine after this change.

[1] https://lists.openembedded.org/g/openembedded-core/message/185702

(From OE-Core rev: 8fb2f9f60962339c877949f619e1e72d33bf3080)

Signed-off-by: Willy Tu <wltu@google.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2024-04-25 10:19:28 +01:00

441 lines
14 KiB
Plaintext

#
# Copyright OpenEmbedded Contributors
#
# SPDX-License-Identifier: MIT
#
# Right now this is focused on arm-specific tune features.
# We get away with this for now as one can only use x86-64 as the build host
# (not arm).
# Note that TUNE_FEATURES is _always_ refering to the target, so we really
# don't want to use this for the host/build.
def llvm_features_from_tune(d):
f = []
feat = d.getVar('TUNE_FEATURES')
if not feat:
return []
feat = frozenset(feat.split())
mach_overrides = d.getVar('MACHINEOVERRIDES')
mach_overrides = frozenset(mach_overrides.split(':'))
if 'vfpv4' in feat:
f.append("+vfp4")
elif 'vfpv4d16' in feat:
f.append("+vfp4")
f.append("-d32")
elif 'vfpv3' in feat:
f.append("+vfp3")
elif 'vfpv3d16' in feat:
f.append("+vfp3")
f.append("-d32")
elif 'vfpv2' in feat or 'vfp' in feat:
f.append("+vfp2")
if 'neon' in feat:
f.append("+neon")
elif target_is_armv7(d):
f.append("-neon")
if 'mips32' in feat:
f.append("+mips32")
if 'mips32r2' in feat:
f.append("+mips32r2")
if target_is_armv7(d):
f.append('+v7')
if ('armv6' in mach_overrides) or ('armv6' in feat):
f.append("+v6")
if 'armv5te' in feat:
f.append("+strict-align")
f.append("+v5te")
elif 'armv5' in feat:
f.append("+strict-align")
f.append("+v5")
if ('armv4' in mach_overrides) or ('armv4' in feat):
f.append("+strict-align")
if 'dsp' in feat:
f.append("+dsp")
if 'thumb' in feat:
if d.getVar('ARM_THUMB_OPT') == "thumb":
if target_is_armv7(d):
f.append('+thumb2')
f.append("+thumb-mode")
if 'cortexa5' in feat:
f.append("+a5")
if 'cortexa7' in feat:
f.append("+a7")
if 'cortexa9' in feat:
f.append("+a9")
if 'cortexa15' in feat:
f.append("+a15")
if 'cortexa17' in feat:
f.append("+a17")
if ('riscv64' in feat) or ('riscv32' in feat):
f.append("+a,+c,+d,+f,+m")
return f
llvm_features_from_tune[vardepvalue] = "${@llvm_features_from_tune(d)}"
# TARGET_CC_ARCH changes from build/cross/target so it'll do the right thing
# this should go away when https://github.com/rust-lang/rust/pull/31709 is
# stable (1.9.0?)
def llvm_features_from_cc_arch(d):
f = []
feat = d.getVar('TARGET_CC_ARCH')
if not feat:
return []
feat = frozenset(feat.split())
if '-mmmx' in feat:
f.append("+mmx")
if '-msse' in feat:
f.append("+sse")
if '-msse2' in feat:
f.append("+sse2")
if '-msse3' in feat:
f.append("+sse3")
if '-mssse3' in feat:
f.append("+ssse3")
if '-msse4.1' in feat:
f.append("+sse4.1")
if '-msse4.2' in feat:
f.append("+sse4.2")
if '-msse4a' in feat:
f.append("+sse4a")
if '-mavx' in feat:
f.append("+avx")
if '-mavx2' in feat:
f.append("+avx2")
return f
def llvm_features_from_target_fpu(d):
# TARGET_FPU can be hard or soft. +soft-float tell llvm to use soft float
# ABI. There is no option for hard.
fpu = d.getVar('TARGET_FPU')
return ["+soft-float"] if fpu == "soft" else []
def llvm_features(d):
return ','.join(llvm_features_from_tune(d) +
llvm_features_from_cc_arch(d) +
llvm_features_from_target_fpu(d))
llvm_features[vardepvalue] = "${@llvm_features(d)}"
## arm-unknown-linux-gnueabihf
DATA_LAYOUT[arm-eabi] = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
TARGET_ENDIAN[arm-eabi] = "little"
TARGET_POINTER_WIDTH[arm-eabi] = "32"
TARGET_C_INT_WIDTH[arm-eabi] = "32"
MAX_ATOMIC_WIDTH[arm-eabi] = "64"
FEATURES[arm-eabi] = "+v6,+vfp2"
## armv7-unknown-linux-gnueabihf
DATA_LAYOUT[armv7-eabi] = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
TARGET_ENDIAN[armv7-eabi] = "little"
TARGET_POINTER_WIDTH[armv7-eabi] = "32"
TARGET_C_INT_WIDTH[armv7-eabi] = "32"
MAX_ATOMIC_WIDTH[armv7-eabi] = "64"
FEATURES[armv7-eabi] = "+v7,+vfp2,+thumb2"
## aarch64-unknown-linux-{gnu, musl}
DATA_LAYOUT[aarch64] = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
TARGET_ENDIAN[aarch64] = "little"
TARGET_POINTER_WIDTH[aarch64] = "64"
TARGET_C_INT_WIDTH[aarch64] = "32"
MAX_ATOMIC_WIDTH[aarch64] = "128"
## x86_64-unknown-linux-{gnu, musl}
DATA_LAYOUT[x86_64] = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
TARGET_ENDIAN[x86_64] = "little"
TARGET_POINTER_WIDTH[x86_64] = "64"
TARGET_C_INT_WIDTH[x86_64] = "32"
MAX_ATOMIC_WIDTH[x86_64] = "64"
## x86_64-unknown-linux-gnux32
DATA_LAYOUT[x86_64-x32] = "e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
TARGET_ENDIAN[x86_64-x32] = "little"
TARGET_POINTER_WIDTH[x86_64-x32] = "32"
TARGET_C_INT_WIDTH[x86_64-x32] = "32"
MAX_ATOMIC_WIDTH[x86_64-x32] = "64"
## i686-unknown-linux-{gnu, musl}
DATA_LAYOUT[i686] = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
TARGET_ENDIAN[i686] = "little"
TARGET_POINTER_WIDTH[i686] = "32"
TARGET_C_INT_WIDTH[i686] = "32"
MAX_ATOMIC_WIDTH[i686] = "64"
## XXX: a bit of a hack so qemux86 builds, clone of i686-unknown-linux-{gnu, musl} above
DATA_LAYOUT[i586] = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
TARGET_ENDIAN[i586] = "little"
TARGET_POINTER_WIDTH[i586] = "32"
TARGET_C_INT_WIDTH[i586] = "32"
MAX_ATOMIC_WIDTH[i586] = "64"
## mips-unknown-linux-{gnu, musl}
DATA_LAYOUT[mips] = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
TARGET_ENDIAN[mips] = "big"
TARGET_POINTER_WIDTH[mips] = "32"
TARGET_C_INT_WIDTH[mips] = "32"
MAX_ATOMIC_WIDTH[mips] = "32"
## mipsel-unknown-linux-{gnu, musl}
DATA_LAYOUT[mipsel] = "e-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
TARGET_ENDIAN[mipsel] = "little"
TARGET_POINTER_WIDTH[mipsel] = "32"
TARGET_C_INT_WIDTH[mipsel] = "32"
MAX_ATOMIC_WIDTH[mipsel] = "32"
## mips64-unknown-linux-{gnu, musl}
DATA_LAYOUT[mips64] = "E-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128"
TARGET_ENDIAN[mips64] = "big"
TARGET_POINTER_WIDTH[mips64] = "64"
TARGET_C_INT_WIDTH[mips64] = "64"
MAX_ATOMIC_WIDTH[mips64] = "64"
## mips64-n32-unknown-linux-{gnu, musl}
DATA_LAYOUT[mips64-n32] = "E-m:e-p:32:32-i8:8:32-i16:16:32-i64:64-n32:64-S128"
TARGET_ENDIAN[mips64-n32] = "big"
TARGET_POINTER_WIDTH[mips64-n32] = "32"
TARGET_C_INT_WIDTH[mips64-n32] = "32"
MAX_ATOMIC_WIDTH[mips64-n32] = "64"
## mips64el-unknown-linux-{gnu, musl}
DATA_LAYOUT[mips64el] = "e-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128"
TARGET_ENDIAN[mips64el] = "little"
TARGET_POINTER_WIDTH[mips64el] = "64"
TARGET_C_INT_WIDTH[mips64el] = "64"
MAX_ATOMIC_WIDTH[mips64el] = "64"
## powerpc-unknown-linux-{gnu, musl}
DATA_LAYOUT[powerpc] = "E-m:e-p:32:32-i64:64-n32"
TARGET_ENDIAN[powerpc] = "big"
TARGET_POINTER_WIDTH[powerpc] = "32"
TARGET_C_INT_WIDTH[powerpc] = "32"
MAX_ATOMIC_WIDTH[powerpc] = "32"
## powerpc64-unknown-linux-{gnu, musl}
DATA_LAYOUT[powerpc64] = "E-m:e-i64:64-n32:64-S128-v256:256:256-v512:512:512"
TARGET_ENDIAN[powerpc64] = "big"
TARGET_POINTER_WIDTH[powerpc64] = "64"
TARGET_C_INT_WIDTH[powerpc64] = "64"
MAX_ATOMIC_WIDTH[powerpc64] = "64"
## powerpc64le-unknown-linux-{gnu, musl}
DATA_LAYOUT[powerpc64le] = "e-m:e-i64:64-n32:64-v256:256:256-v512:512:512"
TARGET_ENDIAN[powerpc64le] = "little"
TARGET_POINTER_WIDTH[powerpc64le] = "64"
TARGET_C_INT_WIDTH[powerpc64le] = "64"
MAX_ATOMIC_WIDTH[powerpc64le] = "64"
## riscv32gc-unknown-linux-{gnu, musl}
DATA_LAYOUT[riscv32gc] = "e-m:e-p:32:32-i64:64-n32-S128"
TARGET_ENDIAN[riscv32gc] = "little"
TARGET_POINTER_WIDTH[riscv32gc] = "32"
TARGET_C_INT_WIDTH[riscv32gc] = "32"
MAX_ATOMIC_WIDTH[riscv32gc] = "32"
## riscv64gc-unknown-linux-{gnu, musl}
DATA_LAYOUT[riscv64gc] = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"
TARGET_ENDIAN[riscv64gc] = "little"
TARGET_POINTER_WIDTH[riscv64gc] = "64"
TARGET_C_INT_WIDTH[riscv64gc] = "64"
MAX_ATOMIC_WIDTH[riscv64gc] = "64"
## loongarch64-unknown-linux-{gnu, musl}
DATA_LAYOUT[loongarch64] = "e-m:e-i8:8:32-i16:16:32-i64:64-n32:64-S128"
TARGET_ENDIAN[loongarch64] = "little"
TARGET_POINTER_WIDTH[loongarch64] = "64"
TARGET_C_INT_WIDTH[loongarch64] = "32"
MAX_ATOMIC_WIDTH[loongarch64] = "64"
FEATURES[loongarch64] = "+d"
# Convert a normal arch (HOST_ARCH, TARGET_ARCH, BUILD_ARCH, etc) to something
# rust's internals won't choke on.
def arch_to_rust_target_arch(arch):
if arch == "i586" or arch == "i686":
return "x86"
elif arch == "mipsel":
return "mips"
elif arch == "mip64sel":
return "mips64"
elif arch == "armv7":
return "arm"
elif arch == "powerpc64le":
return "powerpc64"
elif arch == "riscv32gc":
return "riscv32"
elif arch == "riscv64gc":
return "riscv64"
else:
return arch
# Convert a rust target string to a llvm-compatible triplet
def rust_sys_to_llvm_target(sys):
if sys.startswith('riscv32gc-'):
return sys.replace('riscv32gc-', 'riscv32-', 1)
if sys.startswith('riscv64gc-'):
return sys.replace('riscv64gc-', 'riscv64-', 1)
return sys
# generates our target CPU value
def llvm_cpu(d):
cpu = d.getVar('PACKAGE_ARCH')
target = d.getVar('TRANSLATED_TARGET_ARCH')
trans = {}
trans['corei7-64'] = "corei7"
trans['core2-32'] = "core2"
trans['x86-64'] = "x86-64"
trans['i686'] = "i686"
trans['i586'] = "i586"
trans['mips64'] = "mips64"
trans['mips64el'] = "mips64"
trans['powerpc64le'] = "ppc64le"
trans['powerpc64'] = "ppc64"
trans['riscv64'] = "generic-rv64"
trans['riscv32'] = "generic-rv32"
trans['loongarch64'] = "la464"
if target in ["mips", "mipsel", "powerpc"]:
feat = frozenset(d.getVar('TUNE_FEATURES').split())
if "mips32r2" in feat:
trans['mipsel'] = "mips32r2"
trans['mips'] = "mips32r2"
elif "mips32" in feat:
trans['mipsel'] = "mips32"
trans['mips'] = "mips32"
elif "ppc7400" in feat:
trans['powerpc'] = "7400"
try:
return trans[cpu]
except:
return trans.get(target, "generic")
llvm_cpu[vardepvalue] = "${@llvm_cpu(d)}"
def rust_gen_target(d, thing, wd, arch):
import json
build_sys = d.getVar('BUILD_SYS')
target_sys = d.getVar('TARGET_SYS')
sys = d.getVar('{}_SYS'.format(thing))
prefix = d.getVar('{}_PREFIX'.format(thing))
rustsys = d.getVar('RUST_{}_SYS'.format(thing))
abi = None
cpu = "generic"
features = ""
# Need to apply the target tuning consitently, only if the triplet applies to the target
# and not in the native case
if sys == target_sys and sys != build_sys:
abi = d.getVar('ABIEXTENSION')
cpu = llvm_cpu(d)
if bb.data.inherits_class('native', d):
features = ','.join(llvm_features_from_cc_arch(d))
else:
features = llvm_features(d) or ""
# arm and armv7 have different targets in llvm
if arch == "arm" and target_is_armv7(d):
arch = 'armv7'
rust_arch = oe.rust.arch_to_rust_arch(arch)
if abi:
arch_abi = "{}-{}".format(rust_arch, abi)
else:
arch_abi = rust_arch
features = features or d.getVarFlag('FEATURES', arch_abi) or ""
features = features.strip()
# build tspec
tspec = {}
tspec['llvm-target'] = rust_sys_to_llvm_target(rustsys)
tspec['data-layout'] = d.getVarFlag('DATA_LAYOUT', arch_abi)
if tspec['data-layout'] is None:
bb.fatal("No rust target defined for %s" % arch_abi)
tspec['max-atomic-width'] = int(d.getVarFlag('MAX_ATOMIC_WIDTH', arch_abi))
tspec['target-pointer-width'] = d.getVarFlag('TARGET_POINTER_WIDTH', arch_abi)
tspec['target-c-int-width'] = d.getVarFlag('TARGET_C_INT_WIDTH', arch_abi)
tspec['target-endian'] = d.getVarFlag('TARGET_ENDIAN', arch_abi)
tspec['arch'] = arch_to_rust_target_arch(rust_arch)
if "baremetal" in d.getVar('TCLIBC'):
tspec['os'] = "none"
else:
tspec['os'] = "linux"
if "musl" in tspec['llvm-target']:
tspec['env'] = "musl"
else:
tspec['env'] = "gnu"
if "riscv64" in tspec['llvm-target']:
tspec['llvm-abiname'] = "lp64d"
if "riscv32" in tspec['llvm-target']:
tspec['llvm-abiname'] = "ilp32d"
if "loongarch64" in tspec['llvm-target']:
tspec['llvm-abiname'] = "lp64d"
tspec['vendor'] = "unknown"
tspec['target-family'] = "unix"
tspec['linker'] = "{}{}gcc".format(d.getVar('CCACHE'), prefix)
tspec['cpu'] = cpu
if features != "":
tspec['features'] = features
tspec['dynamic-linking'] = True
tspec['executables'] = True
tspec['linker-is-gnu'] = True
tspec['linker-flavor'] = "gcc"
tspec['has-rpath'] = True
tspec['position-independent-executables'] = True
tspec['panic-strategy'] = d.getVar("RUST_PANIC_STRATEGY")
# write out the target spec json file
with open(wd + rustsys + '.json', 'w') as f:
json.dump(tspec, f, indent=4)
# These are accounted for in tmpdir path names so don't need to be in the task sig
rust_gen_target[vardepsexclude] += "ABIEXTENSION llvm_cpu"
do_rust_gen_targets[vardeps] += "DATA_LAYOUT TARGET_ENDIAN TARGET_POINTER_WIDTH TARGET_C_INT_WIDTH MAX_ATOMIC_WIDTH FEATURES"
RUST_TARGETS_DIR = "${WORKDIR}/rust-targets/"
export RUST_TARGET_PATH = "${RUST_TARGETS_DIR}"
python do_rust_gen_targets () {
wd = d.getVar('RUST_TARGETS_DIR')
# Order of BUILD, HOST, TARGET is important in case the files overwrite, most specific last
rust_gen_target(d, 'BUILD', wd, d.getVar('BUILD_ARCH'))
rust_gen_target(d, 'HOST', wd, d.getVar('HOST_ARCH'))
rust_gen_target(d, 'TARGET', wd, d.getVar('TARGET_ARCH'))
}
addtask rust_gen_targets after do_patch before do_compile
do_rust_gen_targets[dirs] += "${RUST_TARGETS_DIR}"
# For building target C dependecies use only compiler parameters defined in OE
# and ignore the CC crate defaults which conflicts with OE ones in some cases.
# https://github.com/rust-lang/cc-rs#external-configuration-via-environment-variables
# Some CC crate compiler flags are still required.
# We apply them conditionally in rust wrappers.
CRATE_CC_FLAGS:class-native = ""
CRATE_CC_FLAGS:class-nativesdk = ""
CRATE_CC_FLAGS:class-target = " -ffunction-sections -fdata-sections -fPIC"
do_compile:prepend:class-target() {
export CRATE_CC_NO_DEFAULTS=1
}
do_install:prepend:class-target() {
export CRATE_CC_NO_DEFAULTS=1
}