Forum Discussion
Altera_Forum
Honored Contributor
19 years agozImage
I have an Altera Cyclone Eval Brd with 16 MB cfi flash and 32 MB DDR RAM. I successfully made a zImage and uploaded it to the DDR RAM with the command: nios2-download -g zImage This is working...
Altera_Forum
Honored Contributor
19 years agoPlease try this,
# Creating .flash file for the project elf2flash --base=0x00000000 --end=0xffffff --reset=0x0 --input=zImage --output=ext_flash.flash --boot=$SOPC_KIT_NIOS2/components/altera_nios2/boot_loader_cfi.srec# Programming flash with the project nios2-flash-programmer --base=0x00000000 ext_flash.flash Please note, the zImage does not relocate itself. On reset, the altera cfi boot loader will load the zImage program to sdram+boot link offset . Then the uncompressing program in zImage will uncompress the kernel code vmlinux to the start of sdram. You can use `nios2-elf-objdump -h` to find out the location and size of both 1. the original kernel image, vmlinux in your kernel root dir 2. the compress image, zImage They should not overlap. In flash, the zImage should not overlap with fpga config data or others.