How-to loader.o to preform a kexec like operations

loader.o allow you to run a custom kernel, without the danger of having to reprogram your Flash ROM. It loads a new kernel into memory and jumps to it directly.

1. Get loader.o original source and optionally patch for initrd problem.
2. Build a toolchain for cross compiling.
3. In Makefile point INCLUDE = -isystem parameter to a 2.4.21-pre4 kernel header files!
4. Fix gcc and ld entry in Makefile to meet your cross compiled toolchain.
5. Apply initrd patch if you like.
6. Run make

If you think that compiling loader.o by yourself is too much hassle then you can use a pre-compiled loader.o

For now look readme inside loader.o source tarball.