[U-Boot] Recommended MIPS toolchain
Vasili Galka
vvv444 at gmail.com
Wed Aug 20 14:31:53 CEST 2014
Hi Daniel,
On Wed, Aug 20, 2014 at 3:20 PM, Daniel Schwierzeck
<daniel.schwierzeck at gmail.com> wrote:
>
>
> On 20.08.2014 13:50, Vasili Galka wrote:
>> Hi Daniel,
>>
>> On Wed, Aug 20, 2014 at 1:23 PM, Daniel Schwierzeck
>> <daniel.schwierzeck at gmail.com> wrote:
>>>
>>>
>>>
>>> On 20.08.2014 11:35, Vasili Galka wrote:
>>>> Hi,
>>>>
>>>> What is the recommended tool-chain to verify compilation of MIPS boards?
>>>
>>> you could try
>>>
>>> Denx ELDK 5.5 for MIPS
>>> http://www.denx.de/wiki/ELDK-5/WebHome
>>>
>>> or
>>>
>>> Mentor Sourcery CodeBench Lite Edition for MIPS ELF
>>> https://sourcery.mentor.com/GNUToolchain/subscription3537?lite=MIPS
>>>
>>>>
>>>> I tried the one from
>>>> https://www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.9.0/
>>>> But it does not work, throws plenty of errors about hard/soft float.
>>>
>>> Similar to ARM you can use the built-in libgcc implementation of U-Boot
>>> with "export USE_PRIVATE_LIBGCC=yes" (before Kbuild/Kconfig) or
>>> "CONFIG_USE_PRIVATE_LIBGCC=y".
>>>
>>> Actually you would need a full multilib toolchain with different libgcc
>>> or multiple toolchains to build all BE/LE and hard-float/soft-float
>>> variants. But that is not feasible, so you should always set
>>> USE_PRIVATE_LIBGCC. USE_PRIVATE_LIBGCC is also required for ELDK toolchains.
>>>
>>> BTW: "MAKEALL -a mips" with the kernel.org toolchain and
>>> USE_PRIVATE_LIBGCC works
>>>
>>> --
>>> - Daniel
>>
>> Strangely, I still fail to build.
>> I'm trying on u-boot/master 6d1966e12 (dated Aug 1st 2014)
>> Building with the following commands, on clean build directory:
>>
>> export BUILD_DIR=/home/lab/dev/u-boot/out/all_mips
>> export USE_PRIVATE_LIBGCC=yes
>> export CROSS_COMPILE=mips-linux-
>> ./MAKEALL -a mips
>
> sorry if I was not accurate enough but with introduction of Kbuild
> "USE_PRIVATE_LIBGCC=yes" was changed to "CONFIG_USE_PRIVATE_LIBGCC=y".
> To support different U-Boot versions you should set both variants:
>
> export USE_PRIVATE_LIBGCC=yes
> export CONFIG_USE_PRIVATE_LIBGCC=y
>
>
>>
>> Here is what I get with the toolchain from kernel.org:
>>
>> Building qemu_mips board...
>> text data bss dec hex filename
>> 223063 8160 217752 448975 6d9cf
>> /home/lab/dev/u-boot/out/all_mips/u-boot
>> mips-linux-ld.bfd: Warning: u-boot uses -msoft-float (set by
>> arch/mips/cpu/mips32/built-in.o),
>> /usr/mips-linux/bin/../lib/gcc/mips-linux/4.9.0/libgcc.a(_lshrdi3.o)
>> uses -mhard-float
>> mips-linux-ld.bfd: Warning: u-boot uses -msoft-float (set by
>> arch/mips/cpu/mips32/built-in.o),
>> /usr/mips-linux/bin/../lib/gcc/mips-linux/4.9.0/libgcc.a(_ashldi3.o)
>> uses -mhard-float
>> Building qemu_mipsel board...
>> make[1]: *** [u-boot] Error 1
>> make: *** [sub-make] Error 2
>> mips-linux-size: '/home/lab/dev/u-boot/out/all_mips/u-boot': No such file
>> mips-linux-ld.bfd:
>> /usr/mips-linux/bin/../lib/gcc/mips-linux/4.9.0/libgcc.a(_lshrdi3.o):
>> compiled for a big endian system and target is little endian
>> mips-linux-ld.bfd:
>> /usr/mips-linux/bin/../lib/gcc/mips-linux/4.9.0/libgcc.a(_lshrdi3.o):
>> endianness incompatible with that of the selected emulation
>> mips-linux-ld.bfd: failed to merge target specific data of file
>> /usr/mips-linux/bin/../lib/gcc/mips-linux/4.9.0/libgcc.a(_lshrdi3.o)
>> mips-linux-ld.bfd:
>> /usr/mips-linux/bin/../lib/gcc/mips-linux/4.9.0/libgcc.a(_ashldi3.o):
>> compiled for a big endian system and target is little endian
>> mips-linux-ld.bfd:
>> /usr/mips-linux/bin/../lib/gcc/mips-linux/4.9.0/libgcc.a(_ashldi3.o):
>> endianness incompatible with that of the selected emulation
>> mips-linux-ld.bfd: failed to merge target specific data of file
>> /usr/mips-linux/bin/../lib/gcc/mips-linux/4.9.0/libgcc.a(_ashldi3.o)
>> make[1]: *** [u-boot] Error 1
>> make: *** [sub-make] Error 2
>>
>>
>> and here is what I get with Mentor Sourcery CodeBench Lite Edition:
>> (Replacing to CROSS_COMPILE=mips-sde-elf-)
>>
>> Building qemu_mips board...
>> arch/mips/cpu/mips32/start.o: error adding symbols: Bad value
>> make[1]: *** [u-boot] Error 1
>> make: *** [sub-make] Error 2
>> mips-sde-elf-size: '/home/lab/dev/u-boot/out/all_mips/u-boot': No such file
>> mips-sde-elf-ld: board/qemu-mips/lowlevel_init.o: warning: linking
>> abicalls files with non-abicalls files
>> mips-sde-elf-ld: arch/mips/cpu/mips32/cpu.o: warning: linking abicalls
>> files with non-abicalls files
>> /home/lab/dev/u-boot/common/cli_simple.c: In function 'process_macros':
>> /home/lab/dev/u-boot/common/cli_simple.c:73:2: warning: format '%zd'
>> expects argument of type 'signed size_t', but argument 2 has type
>> '__kernel_size_t' [-Wformat=]
>> debug_parser("[PROCESS_MACROS] INPUT len %zd: \"%s\"\n", strlen(input),
>> ^
>> /home/lab/dev/u-boot/common/cli_simple.c:162:2: warning: format '%zd'
>> expects argument of type 'signed size_t', but argument 2 has type
>> '__kernel_size_t' [-Wformat=]
>> debug_parser("[PROCESS_MACROS] OUTPUT len %zd: \"%s\"\n",
>> ^
>> /home/lab/dev/u-boot/lib/lzma/LzmaTools.c: In function
>> 'lzmaBuffToBuffDecompress':
>> /home/lab/dev/u-boot/lib/lzma/LzmaTools.c:94:5: warning: format '%zx'
>> expects argument of type 'size_t', but argument 2 has type 'SizeT'
>> [-Wformat=]
>> debug("LZMA: Uncompresed size............ 0x%zx\n", outSizeFull);
>> ^
>> /home/lab/dev/u-boot/lib/lzma/LzmaTools.c:95:5: warning: format '%zx'
>> expects argument of type 'size_t', but argument 2 has type 'SizeT'
>> [-Wformat=]
>> debug("LZMA: Compresed size.............. 0x%zx\n", compressedSize);
>> ^
>> /home/lab/dev/u-boot/lib/lzma/LzmaTools.c:115:5: warning: format '%zx'
>> expects argument of type 'size_t', but argument 2 has type 'SizeT'
>> [-Wformat=]
>> debug("LZMA: Uncompresed ................ 0x%zx\n", outProcessed);
>> ^
>> /home/lab/dev/u-boot/common/cmd_nvedit.c: In function 'do_env_export':
>> /home/lab/dev/u-boot/common/cmd_nvedit.c:914:3: warning: format '%zX'
>> expects argument of type 'size_t', but argument 3 has type 'unsigned
>> int' [-Wformat=]
>> sprintf(buf, "%zX", (size_t)len);
>> ^
>> /home/lab/dev/u-boot/common/cmd_nvedit.c: In function 'do_env_import':
>> /home/lab/dev/u-boot/common/cmd_nvedit.c:1047:3: warning: format '%zu'
>> expects argument of type 'size_t', but argument 2 has type 'unsigned
>> int' [-Wformat=]
>> printf("## Info: input data size = %zu = 0x%zX\n", size, size);
>> ^
>> /home/lab/dev/u-boot/common/cmd_nvedit.c:1047:3: warning: format '%zX'
>> expects argument of type 'size_t', but argument 3 has type 'unsigned
>> int' [-Wformat=]
>> /home/lab/dev/u-boot/lib/hashtable.c: In function 'hexport_r':
>> /home/lab/dev/u-boot/lib/hashtable.c:605:2: warning: format '%zu'
>> expects argument of type 'size_t', but argument 5 has type 'unsigned
>> int' [-Wformat=]
>> debug("EXPORT table = %p, htab.size = %d, htab.filled = %d, "
>> ^
>> /home/lab/dev/u-boot/lib/hashtable.c:661:5: warning: format '%zu'
>> expects argument of type 'size_t', but argument 2 has type 'unsigned
>> int' [-Wformat=]
>> "but need %zu\n", size, totlen + 1);
>> ^
>> /home/lab/dev/u-boot/lib/hashtable.c:661:5: warning: format '%zu'
>> expects argument of type 'size_t', but argument 3 has type 'unsigned
>> int' [-Wformat=]
>> /home/lab/dev/u-boot/lib/hashtable.c: In function 'himport_r':
>> /home/lab/dev/u-boot/lib/hashtable.c:793:3: warning: format '%zu'
>> expects argument of type 'size_t', but argument 2 has type 'unsigned
>> int' [-Wformat=]
>> debug("himport_r: can't malloc %zu bytes\n", size);
>> ^
>> mips-sde-elf-ld: arch/mips/cpu/mips32/start.o: relocation R_MIPS_HI16
>> against `lowlevel_init' can not be used when making a shared object;
>> recompile with -fPIC
>> arch/mips/cpu/mips32/start.o: error adding symbols: Bad value
>> make[1]: *** [u-boot] Error 1
>> make: *** [sub-make] Error 2
>>
>> I would appreciate your assistance.
>>
>> Best,
>> Vasili
>>
>
> --
> - Daniel
My sincere apologies. My mistake. Your explanation was fine - I just misread it.
Anyway, I have just successfully built all the boards with the
kernel.org tool-chain.
Many thanks for the help!
Best regards,
Vasili
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