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Ensure the tlbi has completed before setting SCTLR

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When enabling the MMU on arm64 we need to ensure the tlb invalidation has
completed before setting the enable bit in the SCTLR register.

Reported by:	alc
Sponsored by:	Innovate UK
This commit is contained in:
Andrew Turner 2020-09-01 14:50:43 +00:00
parent ccd0a51fda
commit a48cf24742
1 changed files with 2 additions and 0 deletions
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2
sys/arm64/arm64/locore.S
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@ -677,6 +677,8 @@ start_mmu:
/* Invalidate the TLB */
tlbi vmalle1is
dsb ish
isb
ldr x2, mair
msr mair_el1, x2