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Fix for N1 1043202 Errata Workaround

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ISB instruction was removed from the N1 1043202 Errata Workaround [1], this
fix is adding the ISB instruction back in.

[1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.pjdoc-466751330-10325/index.html

Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
Change-Id: I74eac7f6ad38991c36d423ad6aa44558033ad388
This commit is contained in:
laurenw-arm 2019-08-19 11:06:18 -05:00
parent d1b6013d84
commit a33ec1e75a
1 changed files with 1 additions and 0 deletions
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lib/cpus/aarch64/neoverse_n1.S
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@ -43,6 +43,7 @@ func errata_n1_1043202_wa
msr CPUPMR_EL3, x0
ldr x0, =0x800200071
msr CPUPCR_EL3, x0
isb
1:
ret x17
endfunc errata_n1_1043202_wa