static int cbe_system_reset_exception(struct pt_regs *regs)
{
switch (regs->msr & SRR1_WAKEMASK) {
case SRR1_WAKEEE:
do_IRQ(regs);
break;
case SRR1_WAKEDEC:
timer_interrupt(regs);
break;
case SRR1_WAKEMT:
return cbe_sysreset_hack();
#ifdef CONFIG_CBE_RAS
case SRR1_WAKESYSERR:
cbe_system_error_exception(regs);
break;
case SRR1_WAKETHERM:
cbe_thermal_exception(regs);
break;
#endif /* CONFIG_CBE_RAS */
default:
/* do system reset */
return 0;
}
/* everything handled */
return 1;
}
static int cbe_system_reset_exception(struct pt_regs *regs)
{
int cpu;
struct cbe_pmd_regs __iomem *pmd;
switch (regs->msr & SRR1_WAKEMASK) {
case SRR1_WAKEEE:
do_IRQ(regs);
break;
case SRR1_WAKEDEC:
timer_interrupt(regs);
break;
case SRR1_WAKEMT:
/*
* The BMC can inject user triggered system reset exceptions,
* but cannot set the system reset reason in srr1,
* so check an extra register here.
*/
if (sysreset_hack && (cpu = smp_processor_id()) == 0) {
pmd = cbe_get_cpu_pmd_regs(cpu);
if (in_be64(&pmd->ras_esc_0) & 0xffff) {
out_be64(&pmd->ras_esc_0, 0);
return 0;
}
}
break;
#ifdef CONFIG_CBE_RAS
case SRR1_WAKESYSERR:
cbe_system_error_exception(regs);
break;
case SRR1_WAKETHERM:
cbe_thermal_exception(regs);
break;
#endif /* CONFIG_CBE_RAS */
default:
/* do system reset */
return 0;
}
/* everything handled */
return 1;
}