Hi Yvan, Thanks. I made a mistake typed `export CROSS_COMPILER' that should be `export CROSS_COMPILE'. On Mon, Apr 28, 2014 at 04:40:09PM +0200, Yvan Roux wrote: > 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
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