Hi Zhi-zhou, having a %rax register here : Error: no such instruction: `mrs %rax,daif//arch_local_save_flags'
makes me think that you're using an x86_64 compiler and not the AArch64 one. regards, Yvan On 26 April 2014 03:10, Zhi-zhou Zhang <zhizhou...@gmail.com> wrote: > hi, > For building arm64 kernel, I tried all toolchain released from > http://releases.linaro.org/latest/components/toolchain/binaries/ > But it complained about some instructions bad: > /home/work/linux/arch/arm64/include/asm/irqflags.h: Assembler > messages: > /home/work/linux/arch/arm64/include/asm/irqflags.h:49: Error: no > such instruction: `msr daifset,' > /home/work/linux/arch/arm64/include/asm/irqflags.h:68: Error: no > such instruction: `mrs %rax,daif//arch_local_save_flags' > /home/work/linux/arch/arm64/include/asm/irqflags.h:49: Error: no > such instruction: `msr daifset,' > /home/work/linux/arch/arm64/include/asm/irqflags.h:68: Error: no > such instruction: `mrs %rax,daif//arch_local_save_flags' > /home/work/linux/arch/arm64/include/asm/irqflags.h:40: Error: no > such instruction: `msr daifclr,' > /home/work/linux/arch/arm64/include/asm/irqflags.h:68: Error: no > such instruction: `mrs %rax,daif//arch_local_save_flags' > /home/work/linux/arch/arm64/include/asm/irqflags.h:40: Error: no > such instruction: `msr daifclr,' > > Could anyone tell how to solve it? thanks! > > _______________________________________________ > linaro-toolchain mailing list > linaro-toolchain@lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-toolchain _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain
