1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 */
30
31#ifndef __ARCH_ALPHA_VPTR_HH__
32#define __ARCH_ALPHA_VPTR_HH__
33
34#include "arch/vtophys.hh"
35#include "arch/isa_traits.hh"
36
| 1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Nathan Binkert
29 */
30
31#ifndef __ARCH_ALPHA_VPTR_HH__
32#define __ARCH_ALPHA_VPTR_HH__
33
34#include "arch/vtophys.hh"
35#include "arch/isa_traits.hh"
36
|
37class ExecContext;
| 37class ThreadContext;
|
38
39template <class T>
40class VPtr
41{
42 public:
43 typedef T Type;
44
45 private:
| 38
39template <class T>
40class VPtr
41{
42 public:
43 typedef T Type;
44
45 private:
|
46 ExecContext *xc;
| 46 ThreadContext *tc;
|
47 Addr ptr;
48
49 public:
| 47 Addr ptr;
48
49 public:
|
50 ExecContext *GetXC() const { return xc; }
| 50 ThreadContext *GetTC() const { return tc; }
|
51 Addr GetPointer() const { return ptr; }
52
53 public:
| 51 Addr GetPointer() const { return ptr; }
52
53 public:
|
54 explicit VPtr(ExecContext *_xc, Addr p = 0) : xc(_xc), ptr(p) { }
| 54 explicit VPtr(ThreadContext *_tc, Addr p = 0) : tc(_tc), ptr(p) { }
|
55 template <class U>
| 55 template <class U>
|
56 VPtr(const VPtr<U> &vp) : xc(vp.GetXC()), ptr(vp.GetPointer()) {}
| 56 VPtr(const VPtr<U> &vp) : tc(vp.GetTC()), ptr(vp.GetPointer()) {}
|
57 ~VPtr() {}
58
59 bool operator!() const
60 {
61 return ptr == 0;
62 }
63
64 VPtr<T> operator+(int offset)
65 {
66 VPtr<T> ptr(*this);
67 ptr += offset;
68
69 return ptr;
70 }
71
72 const VPtr<T> &operator+=(int offset)
73 {
74 ptr += offset;
75 assert((ptr & (TheISA::PageBytes - 1)) + sizeof(T)
76 < TheISA::PageBytes);
77
78 return *this;
79 }
80
81 const VPtr<T> &operator=(Addr p)
82 {
83 assert((p & (TheISA::PageBytes - 1)) + sizeof(T)
84 < TheISA::PageBytes);
85 ptr = p;
86
87 return *this;
88 }
89
90 template <class U>
91 const VPtr<T> &operator=(const VPtr<U> &vp)
92 {
| 57 ~VPtr() {}
58
59 bool operator!() const
60 {
61 return ptr == 0;
62 }
63
64 VPtr<T> operator+(int offset)
65 {
66 VPtr<T> ptr(*this);
67 ptr += offset;
68
69 return ptr;
70 }
71
72 const VPtr<T> &operator+=(int offset)
73 {
74 ptr += offset;
75 assert((ptr & (TheISA::PageBytes - 1)) + sizeof(T)
76 < TheISA::PageBytes);
77
78 return *this;
79 }
80
81 const VPtr<T> &operator=(Addr p)
82 {
83 assert((p & (TheISA::PageBytes - 1)) + sizeof(T)
84 < TheISA::PageBytes);
85 ptr = p;
86
87 return *this;
88 }
89
90 template <class U>
91 const VPtr<T> &operator=(const VPtr<U> &vp)
92 {
|
93 xc = vp.GetXC();
| 93 tc = vp.GetTC();
|
94 ptr = vp.GetPointer();
95
96 return *this;
97 }
98
99 operator T *()
100 {
101 panic("Needs to be rewritten\n");
| 94 ptr = vp.GetPointer();
95
96 return *this;
97 }
98
99 operator T *()
100 {
101 panic("Needs to be rewritten\n");
|
102/* void *addr = vtomem(xc, ptr, sizeof(T));
| 102/* void *addr = vtomem(tc, ptr, sizeof(T));
|
103 return (T *)addr;
104 */
105 }
106
107 T *operator->()
108 {
109 panic("Needs to be rewritten\n");
| 103 return (T *)addr;
104 */
105 }
106
107 T *operator->()
108 {
109 panic("Needs to be rewritten\n");
|
110/* void *addr = vtomem(xc, ptr, sizeof(T));
| 110/* void *addr = vtomem(tc, ptr, sizeof(T));
|
111 return (T *)addr;
112 */
113 }
114
115 T &operator*()
116 {
117 panic("Needs to be rewritten\n");
| 111 return (T *)addr;
112 */
113 }
114
115 T &operator*()
116 {
117 panic("Needs to be rewritten\n");
|
118/* void *addr = vtomem(xc, ptr, sizeof(T));
| 118/* void *addr = vtomem(tc, ptr, sizeof(T));
|
119 return *(T *)addr;
120 */
121 }
122};
123
124#endif // __ARCH_ALPHA_VPTR_HH__
| 119 return *(T *)addr;
120 */
121 }
122};
123
124#endif // __ARCH_ALPHA_VPTR_HH__
|