05-05-2010 09:24 AM
Hi all
I'm developing a project on ML605 board with EDK and SDK, using BRAM to store code but not enough. I have added more BRAM and total memory lager than necessary, generate bit file successfully but generate linker script not success. I want to ask you is there any way to join these BRAMs to as one lager memory block. Thanks.
05-08-2010 07:54 PM
I have tried to compile with EDK successful. I also followed AR#16536, solution 3 (http://www.xilinx.com/support/answers/16536.htm), it was ok.
Thank you very much.
05-07-2010 06:44 AM
I am going to move this over to the EDK forum for you so that they can give you some guidance.
05-07-2010 02:21 PM - edited 05-07-2010 02:22 PM
You should be able to increase the size of the BRAM in the system assembly view. I do this all the time there.
select the bram and click on it where it displays the size it should allow you to increase the size there.
05-08-2010 12:22 AM
Hi,
1, Check the number of BRAM's available in the design.
2, You can either change the address range in the address tab of an existing memory instance
or
Add xps_bram_if_cntlr along with a bram block to include more memory.
or
Generate a coregen based memory block, import it into the edk design.
Thnx
05-08-2010 12:24 AM
Hi Golson,
Thank you for your reply. Microblaze on Virtex-6 is only supported maximum 256Kb/1BRAM, my application code is 312Kb. So I added additional one BRAM 256Kb, 2 BRAMs have address range continuous, but when compile application, the following error appear:
ERROR:EDK:3165 - elfcheck failed!The following sections did not fit into Processor memory: Section .bss (0x28300 - 0xC023B).
Can you give me any guidances?
05-08-2010 12:27 AM
Hi,
There have been some issues seen with SDK. Please try to compile with EDK .
Thnx
05-08-2010 07:54 PM
I have tried to compile with EDK successful. I also followed AR#16536, solution 3 (http://www.xilinx.com/support/answers/16536.htm), it was ok.
Thank you very much.
08-25-2010 12:22 PM
I have the same problem. Since software designs must be built in SDK in 12.2 I am afraid to upgrade to 12.2. Or will this be in 13.0?
When does Xilinx plan to fix the issues seen with SDK? Hopefully before they make it mandatory!
Please let me know if SDK is require for building software in v12.2.
Thank you,
Josh
08-25-2010 12:47 PM
@hem_8030 wrote:
Hi,
There have been some issues seen with SDK. Please try to compile with EDK .
Thnx
EDK does not work for me either!
Ah wait - it does, but you have to trick it.
in the linker script:
MEMORY{
ilmb_cntlr_dlmb_cntlr : ORIGIN = 0x00000050, LENGTH = 0x0000FFB0
xps_BRAM_cntlr_0 : ORIGIN = 0x10000000, LENGTH = 0x00010000
xps_BRAM_cntlr_1 : ORIGIN = 0x10010000, LENGTH = 0x00010000
xps_BRAM_cntlr_both : ORIGIN = 0x10000000, LENGTH = 0x00020000
MPMC_LPDDR_C_MPMC_BASEADDR : ORIGIN = 0x48000000, LENGTH = 0x08000000
}
I then used xps_BRAM_cntlr_both as my location for .text (my large section that would not fit).
It works!
I tried the exact same thing in SDK and it generates an elf file. This elf file is then checked and it fails the check ("elfcheck failed").
Is this elf file still valid? Is it the same as the one in EDK except EDK lets it slide past the check? Could I just use the elf file generated by SDK even though it fails?