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What do you know.. the prom_cpu{stop,idle,resume} function appear to be

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returning a success/fail flag. For now, use it to be informative.
This commit is contained in:
pk 2003-01-16 16:10:44 +00:00
parent b8b3ddc479
commit f312ee5f9a
1 changed files with 8 additions and 5 deletions
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13
sys/arch/sparc/sparc/cpu.c
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@ -1,4 +1,4 @@
/* $NetBSD: cpu.c,v 1.162 2003/01/16 14:49:08 pk Exp $ */
/* $NetBSD: cpu.c,v 1.163 2003/01/16 16:10:44 pk Exp $ */
/*
* Copyright (c) 1996
@ -792,25 +792,28 @@ mp_resume_cpus()
}
}
/*
* Tell all CPUs except the current one to hurry back into the prom
*/
void
mp_halt_cpus()
{
int n;
for (n = 0; n < ncpu; n++) {
struct cpu_info *cpi = cpus[n];
int r;
if (cpi == NULL || cpuinfo.mid == cpi->mid)
continue;
/* tell it to hurry back into the prom */
printf("cpu%d halted\n", cpi->ci_cpuid);
/*
* This PROM utility will put the OPENPROM_MBX_STOP
* message (0xfb) in the CPU's mailbox and then send
* it a level 15 soft interrupt.
*/
prom_cpustop(cpi->node);
r = prom_cpustop(cpi->node);
printf("cpu%d %shalted\n", cpi->ci_cpuid,
r == 0 ? "" : "(boot CPU?) can not be ");
}
}
#endif /* MULTIPROCESSOR */