Re: Trouble building spec. toolchain for ARM Hi3531

[Zhenqiang Chen <zhenqiang dot chen at linaro dot org>]

Can you show the default config for arm-hisiv200-linux-gcc?

arm-hisiv200-linux-gcc -v

Please try Linaro 4.7 release. If it works, you can use the same
config for your build.

https://launchpad.net/linaro-toolchain-binaries/trunk/2012.04/+download/gcc-linaro-arm-linux-gnueabi-2012.04-20120426_linux.tar.bz2

On 21 April 2014 23:28, Nikita Orlov <nikitos1550@yandex.ru> wrote:
> P.S.
> Architecture level = armv7-a
>
> 21.04.2014, 19:16, "Nikita Orlov" <nikitos1550@yandex.ru>:
>> Hello!
>>
>> I have maybe strange problem, my knowledge is not enough to solve it, so I`m try to find help here.
>>
>> I have a board with ARM SoC Hi3531. Brief datasheet - http://www.hkvstar.com/pdf/Hi3531.pdf
>> Specs of processor is:
>> ARM Cortex A9 dual cores
>> - Up to 930 MHz
>> - 32 KB I-cache and 32 KB D-cache
>> - 256 KB L2 cache
>>
>> I have an SDK for it. SDK contains linux kernel 3.0.8 with some editions for support this device (march-godnet dir in /arch/arm).
>> Toolchain is arm-hisiv200-linux-gcc (Hisilicon_v200(gcc4.4-290+glibc-2.11+eabi+nptl)) 4.4.1
>> There are some precompiled modules for this SoC. Note said that:
>>
>> Hi3531 support hardware floating-point. And all libs in default file system are compiled to hardware floating-point. So it's strongly recommen$
>>   CFLAGS += -march=armv7-a -mcpu=cortex-a9 -mfloat-abi=softfp -mfpu=vfpv3-d16
>>   CXXFlAGS +=-march=armv7-a -mcpu=cortex-a9 -mfloat-abi=softfp -mfpu=vfpv3-d16
>>
>> So, as I understand my ARM is
>> armv7-a, cortex-a9, softfp, vfpv3-d16
>>
>> On the board there is installed U-boot to SPI slash memory chip. I can connect to board via serial port and get access to U-boot.
>> So, I can use my kernel via usb or TFTP and edit kernel boot params.
>>
>> If I compile kernel with toolchain from SDK, everything is good, kernel loads.
>>
>> I try to build my own toolchain for this SoC, with last gcc, binutils and glibc via crosstool-NG 1.9.0
>> I have a number of different configs for crosstool-NG, it builds toolchain with no errors, but when I compile kernel (it builds ok), after booting it
>> via U-boot nothing happens, no errors just a string
>> Uncopressed kernel ok, booting... (something like this words)
>> After it usually there is some boot log, but it seems something goes wrong.
>>
>> I think my mistake is somewhere in configuring Target options menu (ct-ng menuconfig)
>> I choose:
>> Target Architecture - arm
>> Suffix to the arch-part - nothing
>> Build a multilib toolchain - NO
>> Use the MMU - Yes (SoC supports it)
>> Endianness: - Little endian
>> Bitness: - 32-bit
>> Architecture level
>> Emit assembly for CPU - cortex-a9
>> Tune for CPU - nothing
>> Use specific FPU vfpv3-d16
>> Floating point: softfp
>> Target CFLAGS - nothing
>> Target LDFLAGS - nothing
>> Default instruction set mode - arm
>> Use Thumb-interworking - no
>> Use EABI - YES
>>
>> I use headers from my kernel tree.
>> gcc - 4.8.1
>>
>> As I understand settings of binutls, glibc, and others don`t affects step of kernel building and booting, so I left them defaults.
>>
>> So, I think I need to config Target options right to build and boot kernel.
>> I`m asking for advice or way to solve this.
>>
>> Thanks!
>>
>> --
>> Nikita Orlov
>> Skype: nik_stet
>> QQ: 2717846083
>>
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>
> --
> Nikita Orlov
> Skype: nik_stet
> QQ: 2717846083
>
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> For unsubscribe information see http://sourceware.org/lists.html#faq
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