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powerpc64: Set n_slbs = 32 for POWER9

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Summary:
POWER9 also contains 32 slbs entries as explained by the POWER9 User Manual:

 "For HPT translation, the POWER9 core contains a unified (combined for both
   instruction and data), 32-entry, fully-associative SLB per thread"

Submitted by:	Breno Leitao
Differential Revision: https://reviews.freebsd.org/D15128
This commit is contained in:
Justin Hibbits 2018-04-20 03:23:19 +00:00
parent 2914706ab0
commit 567dd766f6
1 changed files with 1 additions and 0 deletions
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1
sys/powerpc/aim/aim_machdep.c
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@ -212,6 +212,7 @@ aim_early_init(vm_offset_t fdt, vm_offset_t toc, vm_offset_t ofentry, void *mdp,
case IBMPOWER7PLUS:
case IBMPOWER8:
case IBMPOWER8E:
case IBMPOWER9:
/* XXX: get from ibm,slb-size in device tree */
n_slbs = 32;
break;