On Nov 3, 9:57*am, "gentel" <gente...@163.com> wrote:
> >On Nov 3, 4:27=A0am, "gentel" <gente...@163.com> wrote:
> >> hello,all
> >> =A0 =A0 =A0 i have built an edk project(based microblaze) . Because my
> >> application c code is very big,when generating linker script ,i put
> some
> >> big sections into the ddr and others into bram in microblaze.finally,it
> >> displays the results through rs232.
> >> =A0 =A0 =A0 for now,i want to try to import the EDK Project with
> microbla=
> >ze as
> >> Sub-system into a ISE project and i use the cammand h "export to
> project
> >> navigator",then it generate a system.ise file.but,when i put the
> >> .system_stub.bit,system_stub_bd.bmm and my_project.elf(software bits)
> >> files
> >> into the board ,it does not work well.
> >> =A0 =A0 =A0 =A0however,if i replace the my_project.elf to
> TestApp_Memory.=
> >elf
> >> (linking script in bram not ddr),it works well.
> >> =A0 =A0 =A0 =A0who can tell me the reasnon ? what can i shoulddo?thank
> y=
> >ou very
> >> much..
>
> >> --------------------------------------- =A0 =A0 =A0 =A0
> >> This message was sent using the comp.arch.fpga web interface
> onhttp://www=
> >.FPGARelated.com
>
> >and what magic loads the object into the extenal DDR memory?
>
> >maybe you forget the ram loader?
>
> >Antti
>
> >thanks for your reply!when generating linker script,i put sections such as
>
> .heap,.stack,.text,and.bss into the ddr ,it works well when downloading the
> board in sdk.ram loader ?what do you mean? * * * *
>
> --------------------------------------- * * * *
> This message was sent using the comp.arch.fpga web interface onhttp://www..FPGARelated.com

i mean you need to write YOUR OWN code and ELF to something conversion
tools, and use some
flash or removable media to "bootstrap" your application

or use XMD during debugging

Antti