Commit 59e60aa80a0c64fa4b088976ee16ad7f04252c25 - golang-golang-x-sys

cpu: don't read ARM64 registers on Android It seems like on Android we're not allowed in all cases to read the registers ISAR0, ISAR1 and PFR0 to detect CPU features. Fixes golang/go#36622 Change-Id: I577bd928a5a4dcd6e908cf059faa15fc0c80e3e5 Reviewed-on: https://go-review.googlesource.com/c/sys/+/215237 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Tobias Klauser authored 4 years ago Tobias Klauser committed 4 years ago

1 changed file(s) with 7 addition(s) and 3 deletion(s). Raw diff Collapse all Expand all

-3

cpu/cpu_arm64.go less more

9	9
10	10	func init() {
11	11	switch runtime.GOOS {
12		case "darwin":
13		// iOS does not seem to allow reading these registers
14		case "android", "linux":
	12	case "android", "darwin":
	13	// Android and iOS don't seem to allow reading these registers.
	14	// Fake the minimal features expected by
	15	// TestARM64minimalFeatures.
	16	ARM64.HasASIMD = true
	17	ARM64.HasFP = true
	18	case "linux":
15	19	doinit()
16	20	default:
17	21	readARM64Registers()