Tobias Klauser
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85b82a3add
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cpu: support reading arm64 CPU feature registers
This allows to detect ARM64 CPU features on non-Linux systems. On Linux,
this is used in case /proc/self/auxv cannot be read.
Change-Id: I67d55e989f2beda0c05a97ca5e55781840a8e01c
Reviewed-on: https://go-review.googlesource.com/c/sys/+/209478
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
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2019-12-04 07:21:56 +00:00 |
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Tobias Klauser
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e43da5d1f2
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cpu: move empty doinit to own file
Avoids each GOARCH having to define an empty doinit for GOOS=linux
Change-Id: Ic7cea1be4a35c31593c4f867478194b82dd53613
Reviewed-on: https://go-review.googlesource.com/c/sys/+/206859
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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2019-11-13 15:46:56 +00:00 |
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Tobias Klauser
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e77772198c
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cpu: fix build for GOARCH=arm64 on GOOS!=linux
The current implementation for arm64 only supports linux (through HWCaps
read from /proc/self/auxv) and fails to build e.g. on darwin/arm64.
Fixes golang/go#30237
Change-Id: I9f32a285760795441a829b0a81b2d5aff04e2dc4
Reviewed-on: https://go-review.googlesource.com/c/162797
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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2019-02-14 21:44:11 +00:00 |
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