Reset offset for Cyclone 10 GX 085

Question

Hello!I have in my system a Cyclone 10 GX 085 FPGA (10CX085YF672I6G) and connected throught the Active Serial interface (4x) to a Winbound W25Q256JW device (256 Mbit).If I use the reset vector (set in Platform designer in the NiosV parameter window) as 0x02000000, then when I run niosv-bsp command it gives me the follwowing error:2026.02.04.14:45:36 Error: .entry section mapping not created because reset memory region not located at base address: 0x20000002026.02.04.14:45:36 Error: .entry section mapping not created because reset memory region not located at base address: 0x20000002026.02.04.14:45:36 Error: .entry section mapping not created because reset memory region not located at base address: 0x20000002026.02.04.14:45:36 Error: [Error] altera_hal_linkerx_generator: Required linker section mappings do not exist: "[.entry]"2026.02.04.14:45:36 Info: Saving BSP settings file.2026.02.04.14:45:36 Error: .entry section mapping not created because reset memory region not located at base address: 0x20000002026.02.04.14:45:36 Error: .entry section mapping not created because reset memory region not located at base address: 0x20000002026.02.04.14:45:36 Error: .entry section mapping not created because reset memory region not located at base address: 0x20000002026.02.04.14:45:36 Error: [Error] altera_hal_linkerx_generator: Required linker section mappings do not exist: "[.entry]"2026.02.04.14:45:36 Error: BSP not valid.2026.02.04.14:45:36 Error: CPU "My_NiosV" reset memory "intel_generic_serial_flash_interface_top_0_avl_mem" has no matching memory region.But if I us use the reset vector at 0x01000000 I don't get the error anymore.The problem is that when I load the hex file I eventually produce into the "Convert programming file" window, I get the following error:The requested address range for page app.hex (0x02000000 - 0x0201DFCF) overlaps with the address range for page Reserved Option Bits on flash device 2 (0x02000000 - 0x0200001F)If I change the reeet vector to 0x01000000 then I don't get the error.So in summaryreset vector 0x02000000 : error when I generate the BSPreset vector 0x01000000: error when I generate the JIC fileAny idea what might be happening? I included the project folder.

fakhrula_altera · Answer

Hi tato,
&nbsp;
You’re seeing two separate issues:

BSP @ 0x02000000 fails because Nios V requires the reset vector to be exactly the base of the chosen reset memory region (your GSFI avl_mem base not equal to 0x02000000). Refer :5.10. Summary of Nios V Processor Vector Configuration and BSP Settings
 JIC packaging @ 0x02000000 fails because the first 32 bytes there are reserved (Option Bits), so app.hex starting at 0x02000000 may overlaps.&nbsp;

Could you try:

If GSFI base is 0x01000000, start HEX at 0x01000000. Refer :5.10. Summary of Nios V Processor Vector Configuration and BSP Settings
 If you must use 0x02000000, start HEX at 0x02000020 to avoid the Option Bits area. Verify with the generated .map and avoid HEX overlap errors. Refer: 2.3.1.4.3. Defining Address Span Extender Linker Memory Device&nbsp;

Also, make sure GSFI parameters match your flash and configuration mode. Refer: Nios® V Boot OptionRegards,Fakhrul

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Reset offset for Cyclone 10 GX 085

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