- Use MAP_FAILED instead of the constant -1 to indicate
failure (required by POSIX).
- Removed flag arguments of '0' (required by POSIX).
- Fixed code which expected an error return of 0.
- Fixed code which thought any address with the high bit set
was an error.
- Check for failure where no checks were present.
Discussed with: bde
kernel a.out file, meaning that this is where the kernel starts.
(not at KERNBASE) - KERNBASE is 0xf0000000, while the kernel loads at
0xf0100000
Reviewed by: