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boot/efi/arm: initialize TTBCR when starting the kernel

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Change-Id: I5ecaa0a91c8677f7d1ac6a512de6de8b2eaa597c
Reviewed-on: https://review.haiku-os.org/c/haiku/+/4852
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: Fredrik Holmqvist <[email protected]>
This commit is contained in:
David Karoly
2022-01-08 17:58:29 +00:00
committed by Fredrik Holmqvist
parent a8dc67c795
commit 6f62f45641
1 changed files with 3 additions and 0 deletions
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src/system/boot/platform/efi/arch/arm/entry.S
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@@ -46,6 +46,9 @@ FUNCTION(arch_enter_kernel):
// set TTBR0 // set TTBR0
MCR p15, 0, r5, c2, c0, 0 MCR p15, 0, r5, c2, c0, 0
// initialize TTBCR to zero (no LPAE, use only TTBR0)
MCR p15, 0, r1, c2, c0, 2
// flush TLB (again) // flush TLB (again)
MCR p15, 0, r1, c8, c7, 0 MCR p15, 0, r1, c8, c7, 0