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Dear Peppe

For JOP the xram_block VHDL files are generated with a Java program
as part of the build process. No need to use Xilinx coregen.
The build process generates memory blocks for Altera and
Xilinx FPGAs.

Martin

> Dear Peppe
>
>
>
>
> Did you use Xilinx coregen for generating xram_block ? I think your implementation has been done in the different FPGA and now you 
> are trying to other FPGA which doesn't have similar memory blocks.
>
>
>
>
> Regards
>
> Alireza Haghdoost
>
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>
> peppe_dibella@v... wrote:
>
>
> Hi,
> my name is Giuseppe, I'm a student of the University of Catania in Italy.
> I installed IDE 9.2i and I have to install JOP in Spartan 3e. At the stage
> of mapping the erro messages are:
>
> NgdBuild:604 - logical block
>   'cpm_cpu_cmp_core_cmp_stk_cmp_ram_cmp_xram_block' with
> type 'xram_block'
>   could not be resolved. A pin name misspelling can cause this, a
> missing edif
>   or ngc file, or the misspelling of a type name. Symbol 'xram_block' is
> not
>   supported in target 'spartan3'.
> ERROR:NgdBuild:604 - logical
> block 'cpm_cpu_cmp_core_cmp_fch_cmp_rom' with type
>   'rom' could not be resolved. A pin name misspelling can cause this, a
> missing
>   edif or ngc file, or the misspelling of a type name. Symbol 'rom' is not
>   supported in target 'spartan3'.
> ERROR:NgdBuild:604 - logical
> block 'cpm_cpu_cmp_core_cmp_fch_cmp_off' with type
>   'offtbl' could not be resolved. A pin name misspelling can cause this, a
>   missing edif or ngc file, or the misspelling of a type name.
> Symbol 'offtbl'
>   is not supported in target 'spartan3'.
> ERROR:NgdBuild:604 - logical
> block 'cpm_cpu_cmp_core_cmp_bcf_cmp_jtbl' with type
>   'jtbl' could not be resolved. A pin name misspelling can cause this, a
>   missing edif or ngc file, or the misspelling of a type name. Symbol 'jtbl'
> is
>   not supported in target 'spartan3'.
>
> Partition Implementation Status
> -------------------------------
>
>  No Partitions were found in this design.
>
> -------------------------------
>
> NGDBUILD Design Results Summary:
>  Number of errors:     4
>  Number of warnings:   0
>
>
> One or more errors were found during NGDBUILD.  No NGD file will be
> written.
>
> Writing NGDBUILD log file "jop.bld"...
>
> Process "Translate" failed
>
>
> I read "An Introduction to the Design Flow for JOP", but for my bad
> English I could not understand the error.
>
> Thanks to whoever can help me
>
> Giuseppe
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>
>

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