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authorGoogler <noreply@google.com>2018-04-27 10:37:02 -0700
committerAdin Scannell <ascannell@google.com>2018-04-28 01:44:26 -0400
commitd02b74a5dcfed4bfc8f2f8e545bca4d2afabb296 (patch)
tree54f95eef73aee6bacbfc736fffc631be2605ed53 /pkg/cpuid/cpu_amd64.s
parentf70210e742919f40aa2f0934a22f1c9ba6dada62 (diff)
Check in gVisor.
PiperOrigin-RevId: 194583126 Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
Diffstat (limited to 'pkg/cpuid/cpu_amd64.s')
-rw-r--r--pkg/cpuid/cpu_amd64.s24
1 files changed, 24 insertions, 0 deletions
diff --git a/pkg/cpuid/cpu_amd64.s b/pkg/cpuid/cpu_amd64.s
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+++ b/pkg/cpuid/cpu_amd64.s
@@ -0,0 +1,24 @@
+// Copyright 2018 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// func HostID(rax, rcx uint32) (ret0, ret1, ret2, ret3 uint32)
+TEXT ·HostID(SB),$0-48
+ MOVL ax+0(FP), AX
+ MOVL cx+4(FP), CX
+ CPUID
+ MOVL AX, ret0+8(FP)
+ MOVL BX, ret1+12(FP)
+ MOVL CX, ret2+16(FP)
+ MOVL DX, ret3+20(FP)
+ RET