GNU Arm Embedded Toolchain

Compiling for ARM Mode

Asked by Salman Arif

Hi,

I am trying to to use `arm-none-eabi-gcc` from this toolchain to compile some assembly code for ARM mode. However, I keep getting the error "Target CPU does not support ARM mode." Could you guide me in the right direction so I may be able to compile for ARM mode?

I have tried adding the `-marm` flag to the command, but that does not seem to be the right thing to do. Thank you.

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Thomas Preud'homme (thomas-preudhomme) said : 		#1

Hi Salman,

Adding -marm *is* the right thing to do but the toolchain default to architectures not supporting ARM instruction set. You should therefore also add -march=armv7-r.

Best regards.

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