CODEWITHSUNDEEP
linuxgccassemblycross-compilingu-boot
InsaneCoder
InsaneCoder

Reputation: 8268

Unable to compile u-boot with hikey_defconfig

I just cloned the u-boot from github 

https://github.com/u-boot/u-boot.git

and trying to build it with randomly chosen defconfig (specifically hikey_defconfig).

export ARCH=arm
export CROSS_COMPILE=/opt/linaro-7.2.1-2017.11/bin/arm-linux-gnueabi-
make hikey_defconfig
make all

This gives me the following error after sometime : 

{standard input}: Assembler messages:
{standard input}:36: Error: unexpected character `n' in type specifier
{standard input}:36: Error: bad instruction `b.ne 1b'
scripts/Makefile.build:280: recipe for target 'arch/arm/cpu/armv8/cpu.o' failed
make[1]: *** [arch/arm/cpu/armv8/cpu.o] Error 1
Makefile:1320: recipe for target 'arch/arm/cpu/armv8' failed
make: *** [arch/arm/cpu/armv8] Error 2

Looks like an assembler error. What am I doing wrong?

Upvotes: 1

Views: 2299

Answers (1)

Frant
Frant

Reputation: 5895

The Hikey 96Boards are using Kirin 920/Kirin 960 SoCs: both are implementing the ARMv8-A 64 bits architecture (Cortex-A73+Cortex-A53), or Cortex-A53 - see here and here

You should therefore use the Linaro aarch64-linux-gnu or aarch64-elf toolchains, not the 32 bits toolchain you were using.

A working command would then be:

make CROSS_COMPILE=/opt/linaro/gcc-linaro-7.2.1-2017.11-x86_64_aarch64-elf/bin/aarch64-elf- mrproper hikey_defconfig all

You could have checked the architecture you had to compile for by looking at the DTS file referenced in configs/hikey_defconfig at the following line:

CONFIG_DEFAULT_DEVICE_TREE="hi6220-hikey"

arch/arm/dts/hi6220-hikey.dts does include arch/arm/dts/hi6220.dtsi, which does contain the statements telling which architecture the cores included in the Hikey Soc are compatible with:
   cpu0: cpu@0 {
        compatible = "arm,cortex-a53", "arm,armv8";
        device_type = "cpu";
        reg = <0x0 0x0>;
        enable-method = "psci";
    };

    cpu1: cpu@1 {
        compatible = "arm,cortex-a53", "arm,armv8";
        device_type = "cpu";
        reg = <0x0 0x1>;
        enable-method = "psci";
    };

    cpu2: cpu@2 {
        compatible = "arm,cortex-a53", "arm,armv8";
        device_type = "cpu";
        reg = <0x0 0x2>;
        enable-method = "psci";
    };

    cpu3: cpu@3 {
        compatible = "arm,cortex-a53", "arm,armv8";
        device_type = "cpu";
        reg = <0x0 0x3>;
        enable-method = "psci";
    };

    cpu4: cpu@100 {
        compatible = "arm,cortex-a53", "arm,armv8";
        device_type = "cpu";
        reg = <0x0 0x100>;
        enable-method = "psci";
    };

    cpu5: cpu@101 {
        compatible = "arm,cortex-a53", "arm,armv8";
        device_type = "cpu";
        reg = <0x0 0x101>;
        enable-method = "psci";
    };

    cpu6: cpu@102 {
        compatible = "arm,cortex-a53", "arm,armv8";
        device_type = "cpu";
        reg = <0x0 0x102>;
        enable-method = "psci";
    };

    cpu7: cpu@103 {
        compatible = "arm,cortex-a53", "arm,armv8";
        device_type = "cpu";
        reg = <0x0 0x103>;
        enable-method = "psci";
    };

This is what could have guided you during your choice of a Linaro toolchain for compiling u-boot for the Hikey board.

Upvotes: 7

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