[LinuxBIOS] drop struct lb_uint64?

Eric W. Biederman ebiederman at lnxi.com
Sat Nov 12 22:13:50 CET 2005

Stefan Reinauer <stepan at openbios.org> writes:

> Hi,
> what exactly is this structure good for?
> declared in src/include/boot/linuxbios_tables.h:
> struct lb_uint64 {
>         uint32_t lo;
>         uint32_t hi;
> };
> It is used in the following files:
>   src/arch/i386/boot/linuxbios_table.c
>   src/arch/ppc/boot/linuxbios_table.c
>   src/boot/elfboot.c
> since each machine that can compile LinuxBIOS, ie that has a
> (cross-)gcc, does have a uint64_t we should use that one.

No, it used to be a uint64_t and that caused problems.  For reasons of
backwards compatibility we want 32bit alignment not 64bit alignment.
x86 only requires 32bit alignment for a unit64_t but x86_64 requires
64bit alignment.  

For all new instances I agree. 


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