Make Nix builds work

1 files changed, 40 insertions, 0 deletions

diff --git a/vendor/golang.org/x/sys/cpu/cpu_linux_s390x.go b/vendor/golang.org/x/sys/cpu/cpu_linux_s390x.go
new file mode 100644
index 0000000..1517ac6
--- /dev/null
+++ b/vendor/golang.org/x/sys/cpu/cpu_linux_s390x.go
@@ -0,0 +1,40 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cpu
+
+const (
+        // bit mask values from /usr/include/bits/hwcap.h
+        hwcap_ZARCH  = 2
+        hwcap_STFLE  = 4
+        hwcap_MSA    = 8
+        hwcap_LDISP  = 16
+        hwcap_EIMM   = 32
+        hwcap_DFP    = 64
+        hwcap_ETF3EH = 256
+        hwcap_VX     = 2048
+        hwcap_VXE    = 8192
+)
+
+func initS390Xbase() {
+        // test HWCAP bit vector
+        has := func(featureMask uint) bool {
+                return hwCap&featureMask == featureMask
+        }
+
+        // mandatory
+        S390X.HasZARCH = has(hwcap_ZARCH)
+
+        // optional
+        S390X.HasSTFLE = has(hwcap_STFLE)
+        S390X.HasLDISP = has(hwcap_LDISP)
+        S390X.HasEIMM = has(hwcap_EIMM)
+        S390X.HasETF3EH = has(hwcap_ETF3EH)
+        S390X.HasDFP = has(hwcap_DFP)
+        S390X.HasMSA = has(hwcap_MSA)
+        S390X.HasVX = has(hwcap_VX)
+        if S390X.HasVX {
+                S390X.HasVXE = has(hwcap_VXE)
+        }
+}