Hi Prashant,
The issue is due to not adding "-march=octeon2" which needs to be added
into CFLAGS for compiling for Octeon.
Pls use the following steps for compilation
1. /*Update toolchain in shell PATH variable */
PATH=$toolchain_path/bin:$PATH
2. ./bootstrap
3. /* Configure */
./configure --host=mips64-octeon-linux-gnu --with-platform=octeon
CPPFLAGS="-DCVMX_ENABLE_PARAMETER_CHECKING=0
-DCVMX_ENABLE_CSR_ADDRESS_CHECKING=0 -DCVMX_ENABLE_POW_CHECKS=0
-DOCTEON_MODEL=OCTEON_CN66XX" CFLAGS="-march=octeon2" --enable-shared=no
4. /* Compile */
make -j$(gnu_make_thread_count)
Regards,
Bala
On 16 September 2014 02:59, Prashant Upadhyaya <
[email protected]> wrote:
> Hi Jacob,
>
>
>
> I am using a version of SDK2.3 supplied by Adax.
>
> . ./env-setup OCTEON_CN66XX_PASS1_2
>
>
>
> Compiler version is 4.3
>
> mips64-octeon-linux-gnu-gcc
>
>
>
> Regards
>
> -Prashant
>
>
>
>
>
>
>
> *From:* Jacob, Jerin [mailto:[email protected]]
> *Sent:* Tuesday, September 16, 2014 2:43 PM
> *To:* Prashant Upadhyaya
> *Cc:* [email protected]
> *Subject:* Re: [lng-odp] ODP Compilation for Cavium Octeon 6645
>
>
>
>
> Please share the commands and the tool chain version you used to compile
> the linux-generic on octeon.
>
> On Sep 15, 2014 10:47 PM, Prashant Upadhyaya <
> [email protected]> wrote:
>
> Hi,
>
>
>
> I was trying to compile ODP (v0.2) for octeon and ran into the following
> compilation issue –
>
>
>
> /tmp/ccH0X8h8.s: Assembler messages:
>
> /tmp/ccH0X8h8.s:44: Error: opcode not supported on this processor: octeon
> (mips64r2) `lai $2,($4)'
>
>
>
> It seems the error comes from the file odp_atomic.h which has code like
> this –
>
>
>
> __asm__ __volatile__ ("lai %0,(%2)" : "=r" (ret), "+m"
> (ptr) :
>
> "r" (ptr));
>
>
>
> I checked the head of the git and similar code exists there too.
>
>
>
> Regards
>
> -Prashant
>
>
>
>
>
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