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On uniprocessor, warn and fixup hardware cpu mask if more than on CPU

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is enabled by the bootloader.
This commit is contained in:
Jayachandran C. 2010-10-20 09:41:36 +00:00
parent a2995e0d9b
commit 18ad6a4db2
1 changed files with 9 additions and 1 deletions
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10
sys/mips/rmi/xlr_machdep.c
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@ -167,6 +167,14 @@ xlr_parse_mmu_options(void)
*/
xlr_ncores = 1;
cpu_map = xlr_boot1_info.cpu_online_map;
#ifndef SMP /* Uniprocessor! */
if (cpu_map != 0x1) {
printf("WARNING: Starting uniprocessor kernel on cpumask [0x%lx]!\n"
"WARNING: Other CPUs will be unused.\n", (u_long)cpu_map);
cpu_map = 0x1;
}
#endif
core0_thr_mask = cpu_map & 0xf;
switch (core0_thr_mask) {
case 1:
@ -188,9 +196,9 @@ xlr_parse_mmu_options(void)
xlr_ncores++;
}
}
xlr_hw_thread_mask = cpu_map;
/* setup hardware processor id to cpu id mapping */
xlr_hw_thread_mask = xlr_boot1_info.cpu_online_map;
for (i = 0; i< MAXCPU; i++)
xlr_cpuid_to_hwtid[i] =
xlr_hwtid_to_cpuid [i] = -1;