On 2016-04-18 5:47 AM, Robert Yang wrote:
Reproducer: (both in YP 2.1 and 2.0.1): MACHINE = "qemuarm64" DEFAULTTUNE = "aarch64_be" $ bitbake linux-yocto aarch64_be-poky-linux-ld.bfd: usr/initramfs_data.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file usr/initramfs_data.o make[3]: *** [usr/built-in.o] Error 1 CC kernel/exec_domain.o make[2]: *** [usr] Error 2 make[2]: *** Waiting for unfinished jobs.... OBJCOPY arch/arm64/kernel/vdso/vdso.so VDSOSYM arch/arm64/kernel/vdso/vdso-offsets.h CC security/keys/keyring.o CC kernel/panic.o CC kernel/cpu.o AS arch/arm64/kernel/vdso/vdso.o CC kernel/exit.o CC kernel/softirq.o LD security/integrity/integrity.o CC kernel/resource.o aarch64_be-poky-linux-ld.bfd: security/integrity/iint.o: compiled for a little endian system and target is big endian CC fs/open.o aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file security/integrity/iint.o make[4]: *** [security/integrity/integrity.o] Error 1 make[3]: *** [security/integrity] Error 2 make[3]: *** Waiting for unfinished jobs.... [snip] LD arch/arm64/mm/built-in.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/dma-mapping.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/dma-mapping.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/extable.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/extable.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/fault.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/fault.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/init.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/init.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/cache.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/cache.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/copypage.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/copypage.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/flush.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/flush.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/ioremap.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/ioremap.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/mmap.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/mmap.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/pgd.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/pgd.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/mmu.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/mmu.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/context.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/context.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/proc.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/proc.o aarch64_be-poky-linux-ld.bfd: arch/arm64/mm/pageattr.o: compiled for a little endian system and target is big endian aarch64_be-poky-linux-ld.bfd: failed to merge target specific data of file arch/arm64/mm/pageattr.o make[3]: *** [arch/arm64/mm/built-in.o] Error 1 make[2]: *** [arch/arm64/mm] Error 2 CC fs/exec.o [snip] Any comments, please ?
big endian ARM64 is not something we've been building or testing. The default for that BSP is LE, and if you want to build the kernel big endian, you'll need to adjust the kernel configuration (since the kernel build doesn't know, or care, about the default tune). Cheers, Bruce
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