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Bemicro NIOS memory error

Altera_Forum
Honored Contributor II
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Hi All, 

 

Just got my Bemicro, ran through the entire lab twice, cant figure out the issue. The SOPC and Quartus compilation seem fine. Then with the NIOS compiler, I get this: 

 

**** Build of configuration Release for project bemicro_led_control **** 

 

make -s all includes  

Compiling main.c... 

Compiling alarm_util.c... 

Compiling delay_wait.c... 

Compiling error_loop.c... 

Compiling jtag_uart_util.c... 

Compiling led_util.c... 

Compiling system_validation.c... 

Compiling uart_util.c... 

Linking bemicro_led_control.elf... 

/cygdrive/c/altera/91/nios2eds/bin/nios2-gnutools/H-i686-pc-cygwin/bin/../lib/gcc/nios2-elf/3.4.6/../../../../nios2-elf/bin/ld: region onchip_sram is full (bemicro_led_control.elf section .text). Region needs to be 28448 bytes larger. 

/cygdrive/c/altera/91/nios2eds/bin/nios2-gnutools/H-i686-pc-cygwin/bin/../lib/gcc/nios2-elf/3.4.6/../../../../nios2-elf/bin/ld: address 0x111afc of bemicro_led_control.elf section .rwdata is not within region onchip_sram 

/cygdrive/c/altera/91/nios2eds/bin/nios2-gnutools/H-i686-pc-cygwin/bin/../lib/gcc/nios2-elf/3.4.6/../../../../nios2-elf/bin/ld: section .bss [00100020 -> 001001a7] overlaps section .text [00100020 -> 0010ef1f] 

obj/src/alarm_util.o(.text+0x34): In function `alarm_init': 

: Unable to reach ALARM_250MS_CONTEXT (at 0x00100020) from the global pointer (at 0x00119a64) because the offset (-105028) is out of the allowed range, -32678 to 32767. 

 

collect2: ld returned 1 exit status 

make: *** [bemicro_led_control.elf] Error 1 

Build completed in 23.103 seconds 

 

I changed the debug to release, but that did not make a difference. Any ideas? 

 

Thanks, 

Eric O
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Altera_Forum
Honored Contributor II
246 Views

It's telling you your program is too large for your RAM. I think you missed a step. You need to modify your BSP (or system library) to place the ".text", ".rodata", and ".rwdata" into the bemicro_sram rather than onchip_sram. 

 

Jake
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Altera_Forum
Honored Contributor II
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Hi Jake, and thanks. 

 

Missed the part on Page 41 of the Bemicro lab about putting read-only, read-write, and program memory to the external sram. 

 

bemicro_led_control_syslib 

system Library 

Linker Script options (on the right hand side of the screen. 

 

Eric O
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