> On Nov 10, 2017, at 11:04 AM, Yupeng Chang <chang...@gmail.com> wrote: > > Hi Linaro Team, > I'm currently using toolchain > gcc-linaro-7.1.1-2017.08-x86_64_arm-eabi.tar.xz > <https://releases.linaro.org/components/toolchain/binaries/latest/arm-eabi/gcc-linaro-7.1.1-2017.08-x86_64_arm-eabi.tar.xz> > to > develop my bera-metal programs. > My compile option is "-marm -march=armv7-a -mtune=cortex-a9 -mlittle-endian > -mfloat-abi=hard -mfpu=neon"
Hi Yupeng, Linaro's arm-eabi toolchain provides libraries only for -mfloat-abi=softfp. I'm surprised your baremetal application compiled with -mfloat-abi=hard linked against provided newlib. Can there be another library installed that the tools picked up? > > I found an issue, when I use memcpy, and if the DEST or SOURCE address is > not 4 bytes aligned, the system hangs. > It seems that this toolchain doesn't support using hard float and NEON ? > > My question is does this toolchain support hard float and NEON in the > newlib C library? > If I want to use hard float and NEON, how can I do that? > > Your reply is more appreciated!! -- Maxim Kuvyrkov www.linaro.org _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org https://lists.linaro.org/mailman/listinfo/linaro-toolchain
