port_proxy.hh (12532:a86ce386add1) port_proxy.hh (13893:0e863b6c441a)
1/*
2 * Copyright (c) 2011-2013, 2018 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

--- 45 unchanged lines hidden (view full) ---

54 * CPU, e.g. for threads) and thus are transparent to a potentially
55 * distributed memory and automatically adhere to the memory map of
56 * the system.
57 */
58
59#ifndef __MEM_PORT_PROXY_HH__
60#define __MEM_PORT_PROXY_HH__
61
1/*
2 * Copyright (c) 2011-2013, 2018 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

--- 45 unchanged lines hidden (view full) ---

54 * CPU, e.g. for threads) and thus are transparent to a potentially
55 * distributed memory and automatically adhere to the memory map of
56 * the system.
57 */
58
59#ifndef __MEM_PORT_PROXY_HH__
60#define __MEM_PORT_PROXY_HH__
61
62#include "config/the_isa.hh"
63#if THE_ISA != NULL_ISA
64 #include "arch/isa_traits.hh"
65#endif
66
67#include "mem/port.hh"
68#include "sim/byteswap.hh"
69
70/**
71 * This object is a proxy for a structural port, to be used for debug
72 * accesses.
73 *
74 * This proxy object is used when non structural entities

--- 13 unchanged lines hidden (view full) ---

88 /** The actual physical port used by this proxy. */
89 MasterPort &_port;
90
91 /** Granularity of any transactions issued through this proxy. */
92 const unsigned int _cacheLineSize;
93
94 public:
95 PortProxy(MasterPort &port, unsigned int cacheLineSize) :
62#include "mem/port.hh"
63#include "sim/byteswap.hh"
64
65/**
66 * This object is a proxy for a structural port, to be used for debug
67 * accesses.
68 *
69 * This proxy object is used when non structural entities

--- 13 unchanged lines hidden (view full) ---

83 /** The actual physical port used by this proxy. */
84 MasterPort &_port;
85
86 /** Granularity of any transactions issued through this proxy. */
87 const unsigned int _cacheLineSize;
88
89 public:
90 PortProxy(MasterPort &port, unsigned int cacheLineSize) :
96 _port(port), _cacheLineSize(cacheLineSize) { }
91 _port(port), _cacheLineSize(cacheLineSize)
92 {}
97 virtual ~PortProxy() { }
98
99 /**
100 * Read size bytes memory at address and store in p.
101 */
93 virtual ~PortProxy() { }
94
95 /**
96 * Read size bytes memory at address and store in p.
97 */
102 virtual void readBlob(Addr addr, uint8_t* p, int size) const {
98 virtual void
99 readBlob(Addr addr, uint8_t* p, int size) const
100 {
103 readBlobPhys(addr, 0, p, size);
104 }
105
106 /**
107 * Write size bytes from p to address.
108 */
101 readBlobPhys(addr, 0, p, size);
102 }
103
104 /**
105 * Write size bytes from p to address.
106 */
109 virtual void writeBlob(Addr addr, const uint8_t* p, int size) const {
107 virtual void
108 writeBlob(Addr addr, const uint8_t* p, int size) const
109 {
110 writeBlobPhys(addr, 0, p, size);
111 }
112
113 /**
114 * Fill size bytes starting at addr with byte value val.
115 */
110 writeBlobPhys(addr, 0, p, size);
111 }
112
113 /**
114 * Fill size bytes starting at addr with byte value val.
115 */
116 virtual void memsetBlob(Addr addr, uint8_t v, int size) const {
116 virtual void
117 memsetBlob(Addr addr, uint8_t v, int size) const
118 {
117 memsetBlobPhys(addr, 0, v, size);
118 }
119
120 /**
121 * Read size bytes memory at physical address and store in p.
122 */
123 void readBlobPhys(Addr addr, Request::Flags flags,
124 uint8_t* p, int size) const;

--- 19 unchanged lines hidden (view full) ---

144 /**
145 * Write object T to address. Writes sizeof(T) bytes.
146 */
147 template <typename T>
148 void write(Addr address, T data) const;
149
150 /**
151 * Read sizeof(T) bytes from address and return as object T.
119 memsetBlobPhys(addr, 0, v, size);
120 }
121
122 /**
123 * Read size bytes memory at physical address and store in p.
124 */
125 void readBlobPhys(Addr addr, Request::Flags flags,
126 uint8_t* p, int size) const;

--- 19 unchanged lines hidden (view full) ---

146 /**
147 * Write object T to address. Writes sizeof(T) bytes.
148 */
149 template <typename T>
150 void write(Addr address, T data) const;
151
152 /**
153 * Read sizeof(T) bytes from address and return as object T.
152 * Performs selected endianness transform.
154 * Performs endianness conversion from the selected guest to host order.
153 */
154 template <typename T>
155 */
156 template <typename T>
155 T readGtoH(Addr address, ByteOrder guest_byte_order) const;
157 T read(Addr address, ByteOrder guest_byte_order) const;
156
157 /**
158 * Write object T to address. Writes sizeof(T) bytes.
158
159 /**
160 * Write object T to address. Writes sizeof(T) bytes.
159 * Performs selected endianness transform.
161 * Performs endianness conversion from host to the selected guest order.
160 */
161 template <typename T>
162 */
163 template <typename T>
162 void writeHtoG(Addr address, T data, ByteOrder guest_byte_order) const;
163
164#if THE_ISA != NULL_ISA
165 /**
166 * Read sizeof(T) bytes from address and return as object T.
167 * Performs Guest to Host endianness transform.
168 */
169 template <typename T>
170 T readGtoH(Addr address) const;
171
172 /**
173 * Write object T to address. Writes sizeof(T) bytes.
174 * Performs Host to Guest endianness transform.
175 */
176 template <typename T>
177 void writeHtoG(Addr address, T data) const;
178#endif
164 void write(Addr address, T data, ByteOrder guest_byte_order) const;
179};
180
181
182/**
183 * This object is a proxy for a structural port, to be used for debug
184 * accesses to secure memory.
185 *
186 * The addresses are interpreted as physical addresses to secure memory.

--- 22 unchanged lines hidden (view full) ---

209void
210PortProxy::write(Addr address, T data) const
211{
212 writeBlob(address, (uint8_t*)&data, sizeof(T));
213}
214
215template <typename T>
216T
165};
166
167
168/**
169 * This object is a proxy for a structural port, to be used for debug
170 * accesses to secure memory.
171 *
172 * The addresses are interpreted as physical addresses to secure memory.

--- 22 unchanged lines hidden (view full) ---

195void
196PortProxy::write(Addr address, T data) const
197{
198 writeBlob(address, (uint8_t*)&data, sizeof(T));
199}
200
201template <typename T>
202T
217PortProxy::readGtoH(Addr address, ByteOrder byte_order) const
203PortProxy::read(Addr address, ByteOrder byte_order) const
218{
219 T data;
220 readBlob(address, (uint8_t*)&data, sizeof(T));
221 return gtoh(data, byte_order);
222}
223
224template <typename T>
225void
204{
205 T data;
206 readBlob(address, (uint8_t*)&data, sizeof(T));
207 return gtoh(data, byte_order);
208}
209
210template <typename T>
211void
226PortProxy::writeHtoG(Addr address, T data, ByteOrder byte_order) const
212PortProxy::write(Addr address, T data, ByteOrder byte_order) const
227{
228 data = htog(data, byte_order);
229 writeBlob(address, (uint8_t*)&data, sizeof(T));
230}
231
213{
214 data = htog(data, byte_order);
215 writeBlob(address, (uint8_t*)&data, sizeof(T));
216}
217
232#if THE_ISA != NULL_ISA
233template <typename T>
234T
235PortProxy::readGtoH(Addr address) const
236{
237 T data;
238 readBlob(address, (uint8_t*)&data, sizeof(T));
239 return TheISA::gtoh(data);
240}
241
242template <typename T>
243void
244PortProxy::writeHtoG(Addr address, T data) const
245{
246 data = TheISA::htog(data);
247 writeBlob(address, (uint8_t*)&data, sizeof(T));
248}
249#endif
250
251#endif // __MEM_PORT_PROXY_HH__
218#endif // __MEM_PORT_PROXY_HH__