zig build will produce:
zig-out/bin/avacore(RV32ICM ELF)zig-out/bin/avacore.imem.bin(raw image)zig-out/bin/avacore.dmem.bin(raw image)
The .imem.bin image is loaded onto the target board's SPI flash.
The .dmem.bin image is currently compiled into the gateware.