diff options
Diffstat (limited to 'meta/classes/goarch.bbclass')
-rw-r--r-- | meta/classes/goarch.bbclass | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/meta/classes/goarch.bbclass b/meta/classes/goarch.bbclass new file mode 100644 index 0000000000..1147b6d233 --- /dev/null +++ b/meta/classes/goarch.bbclass @@ -0,0 +1,118 @@ +BUILD_GOOS = "${@go_map_os(d.getVar('BUILD_OS'), d)}" +BUILD_GOARCH = "${@go_map_arch(d.getVar('BUILD_ARCH'), d)}" +BUILD_GOTUPLE = "${BUILD_GOOS}_${BUILD_GOARCH}" +HOST_GOOS = "${@go_map_os(d.getVar('HOST_OS'), d)}" +HOST_GOARCH = "${@go_map_arch(d.getVar('HOST_ARCH'), d)}" +HOST_GOARM = "${@go_map_arm(d.getVar('HOST_ARCH'), d)}" +HOST_GO386 = "${@go_map_386(d.getVar('HOST_ARCH'), d.getVar('TUNE_FEATURES'), d)}" +HOST_GOMIPS = "${@go_map_mips(d.getVar('HOST_ARCH'), d.getVar('TUNE_FEATURES'), d)}" +HOST_GOARM_class-native = "7" +HOST_GO386_class-native = "sse2" +HOST_GOMIPS_class-native = "hardfloat" +HOST_GOTUPLE = "${HOST_GOOS}_${HOST_GOARCH}" +TARGET_GOOS = "${@go_map_os(d.getVar('TARGET_OS'), d)}" +TARGET_GOARCH = "${@go_map_arch(d.getVar('TARGET_ARCH'), d)}" +TARGET_GOARM = "${@go_map_arm(d.getVar('TARGET_ARCH'), d)}" +TARGET_GO386 = "${@go_map_386(d.getVar('TARGET_ARCH'), d.getVar('TUNE_FEATURES'), d)}" +TARGET_GOMIPS = "${@go_map_mips(d.getVar('TARGET_ARCH'), d.getVar('TUNE_FEATURES'), d)}" +TARGET_GOARM_class-native = "7" +TARGET_GO386_class-native = "sse2" +TARGET_GOMIPS_class-native = "hardfloat" +TARGET_GOTUPLE = "${TARGET_GOOS}_${TARGET_GOARCH}" +GO_BUILD_BINDIR = "${@['bin/${HOST_GOTUPLE}','bin'][d.getVar('BUILD_GOTUPLE') == d.getVar('HOST_GOTUPLE')]}" + +# Use the MACHINEOVERRIDES to map ARM CPU architecture passed to GO via GOARM. +# This is combined with *_ARCH to set HOST_GOARM and TARGET_GOARM. +BASE_GOARM = '' +BASE_GOARM_armv7ve = '7' +BASE_GOARM_armv7a = '7' +BASE_GOARM_armv6 = '6' +BASE_GOARM_armv5 = '5' + +# Go supports dynamic linking on a limited set of architectures. +# See the supportsDynlink function in go/src/cmd/compile/internal/gc/main.go +GO_DYNLINK = "" +GO_DYNLINK_arm = "1" +GO_DYNLINK_aarch64 = "1" +GO_DYNLINK_x86 = "1" +GO_DYNLINK_x86-64 = "1" +GO_DYNLINK_powerpc64 = "1" +GO_DYNLINK_class-native = "" +GO_DYNLINK_class-nativesdk = "" + +# define here because everybody inherits this class +# +COMPATIBLE_HOST_linux-gnux32 = "null" +COMPATIBLE_HOST_linux-muslx32 = "null" +COMPATIBLE_HOST_powerpc = "null" +COMPATIBLE_HOST_powerpc64 = "null" +COMPATIBLE_HOST_mipsarchn32 = "null" + +ARM_INSTRUCTION_SET_armv4 = "arm" +ARM_INSTRUCTION_SET_armv5 = "arm" +ARM_INSTRUCTION_SET_armv6 = "arm" + +TUNE_CCARGS_remove = "-march=mips32r2" +SECURITY_CFLAGS_mipsarch = "${SECURITY_NOPIE_CFLAGS}" +SECURITY_NOPIE_CFLAGS ??= "" + +# go can't be built with ccache: +# gcc: fatal error: no input files +CCACHE_DISABLE ?= "1" + +def go_map_arch(a, d): + import re + if re.match('i.86', a): + return '386' + elif a == 'x86_64': + return 'amd64' + elif re.match('arm.*', a): + return 'arm' + elif re.match('aarch64.*', a): + return 'arm64' + elif re.match('mips64el.*', a): + return 'mips64le' + elif re.match('mips64.*', a): + return 'mips64' + elif a == 'mips': + return 'mips' + elif a == 'mipsel': + return 'mipsle' + elif re.match('p(pc|owerpc)(64)', a): + return 'ppc64' + elif re.match('p(pc|owerpc)(64el)', a): + return 'ppc64le' + elif a == 'riscv64': + return 'riscv64' + else: + raise bb.parse.SkipRecipe("Unsupported CPU architecture: %s" % a) + +def go_map_arm(a, d): + if a.startswith("arm"): + return d.getVar('BASE_GOARM') + return '' + +def go_map_386(a, f, d): + import re + if re.match('i.86', a): + if ('core2' in f) or ('corei7' in f): + return 'sse2' + else: + return '387' + return '' + +def go_map_mips(a, f, d): + import re + if a == 'mips' or a == 'mipsel': + if 'fpu-hard' in f: + return 'hardfloat' + else: + return 'softfloat' + return '' + +def go_map_os(o, d): + if o.startswith('linux'): + return 'linux' + return o + + |