1// Copyright 2016-2017 VMware, Inc. All Rights Reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//    http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package bdoor
16
17import "unsafe"
18
19type UInt32 struct {
20	High uint16
21	Low  uint16
22}
23
24func (u *UInt32) Word() uint32 {
25	return uint32(u.High)<<16 + uint32(u.Low)
26}
27
28func (u *UInt32) SetWord(w uint32) {
29	u.High = uint16(w >> 16)
30	u.Low = uint16(w)
31}
32
33func (u *UInt32) AsUInt32() *UInt32 {
34	return u
35}
36
37func (u *UInt32) Value() uint32 {
38	return u.Word()
39}
40
41func (u *UInt32) SetValue(val uint32) {
42	u.SetWord(val)
43}
44
45func (u *UInt32) SetPointer(p unsafe.Pointer) {
46	u.SetWord(uint32(uintptr(p)))
47}
48
49type UInt64 struct {
50	High UInt32
51	Low  UInt32
52}
53
54func (u *UInt64) Quad() uint64 {
55	return uint64(u.High.Word())<<32 + uint64(u.Low.Word())
56}
57
58func (u *UInt64) SetQuad(w uint64) {
59	u.High.SetWord(uint32(w >> 32))
60	u.Low.SetWord(uint32(w))
61}
62
63func (u *UInt64) AsUInt32() *UInt32 {
64	return &u.Low
65}
66
67func (u *UInt64) Value() uint64 {
68	return u.Quad()
69}
70
71func (u *UInt64) SetValue(val uint64) {
72	u.SetQuad(val)
73}
74
75func (u *UInt64) SetPointer(p unsafe.Pointer) {
76	u.SetQuad(uint64(uintptr(p)))
77}
78