gettimeofday seconds rollover problem?

[chrisj at rtems.org (Chris Johns)]

Joel Sherrill wrote:
> 
> This is the C code we are looking at the assembly for, correct?
> 

Yes.

>  rtems_interrupt_disable(level);
>    seconds      = _TOD_Seconds_since_epoch;
>    microseconds = _TOD_Current.ticks;
>  rtems_interrupt_enable(level);
> 
> and the assembly inlines for that are:
> 
> #define m68k_disable_interrupts( _level ) \
>   do { register uint32_t   _tmpsr = 0x0700; \
>        asm volatile ( "move.w %%sr,%0\n\t" \
>                       "or.l   %0,%1\n\t" \
>                       "move.w %1,%%sr" \
>                       : "=d" (_level), "=d"(_tmpsr) : "1"(_tmpsr) ); \
>   } while( 0 )
> #define m68k_enable_interrupts( _level ) \
>  asm volatile ( "move.w  %0,%%sr " : : "d" (_level));
> 
> Which compiler did you check that with?
> 

gcc 3.4.3 and gcc 4.0.2.

Regards
Chris