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/sysPublic

Commit15129aa

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tklausergopherbot
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cpu: also use MRS instruction in getmmfr1
Use the MRS instruction with the corresponding system register insteadof encoding the instructions using a WORD directive. This was missed inCL 583135.Change-Id: Ifcbbd81baa903f1da442eae2e49c06284db9c37dReviewed-on:https://go-review.googlesource.com/c/sys/+/717681Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>Reviewed-by: Florian Lehner <lehner.florian86@gmail.com>Reviewed-by: Michael Knyszek <mknyszek@google.com>Reviewed-by: Michael Pratt <mpratt@google.com>LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
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‎cpu/cpu_arm64.s‎

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -23,8 +23,7 @@ TEXT ·getisar1(SB),NOSPLIT,$0-8
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// func getmmfr1() uint64
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TEXT ·getmmfr1(SB),NOSPLIT,$0-8
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// get Memory Model Feature Register1into x0
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// mrsx0, ID_AA64MMFR1_EL1 = d5380720
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WORD$0xd5380720
26+
MRSID_AA64MMFR1_EL1, R0
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MOVDR0,ret+0(FP)
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RET
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