Bootloader in C won't compile

Question

I am a newbie in writing bootloaders. I have written a helloworld bootloader in asm, and I am now trying to write one in C. I have written a helloworld bootloader in C, but I ca

Answer 1

Since you are using GCC, you should read the info pages about the different "target environments". You most probably want to use the -ffreestanding flag. Also I had to use -fno-stack-protector flags to avoid some ugly magic of the compiler.

Then, you will get linker errors saying that memset and the like are not found. So you should implement your own version of these and link them in.