Commit | Line | Data |
---|---|---|
920dae64 AT |
1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: SS_ExternalMemory.cc | |
4 | // Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
5 | // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. | |
6 | // | |
7 | // The above named program is free software; you can redistribute it and/or | |
8 | // modify it under the terms of the GNU General Public | |
9 | // License version 2 as published by the Free Software Foundation. | |
10 | // | |
11 | // The above named program is distributed in the hope that it will be | |
12 | // useful, but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | // General Public License for more details. | |
15 | // | |
16 | // You should have received a copy of the GNU General Public | |
17 | // License along with this work; if not, write to the Free Software | |
18 | // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. | |
19 | // | |
20 | // ========== Copyright Header End ============================================ | |
21 | ||
22 | #include "SS_ExternalMemory.h" | |
23 | ||
24 | SS_ExternalMemory SS_ExternalMemory::memory; | |
25 | ||
26 | uint32_t SS_ExternalMemory::fetch32 ( uint64_t addr )/*{{{*/ | |
27 | { | |
28 | int sid_local = sid; | |
29 | uint64_t data; | |
30 | uint_t n = 4 - (addr & 4); | |
31 | (ld_callback)(sid_local,addr &~ 7,CODEFETCH,0xf << n,&data); | |
32 | return data >> (n * 8); | |
33 | } | |
34 | /*}}}*/ | |
35 | void SS_ExternalMemory::fetch256( uint64_t addr, uint64_t data[4] )/*{{{*/ | |
36 | { | |
37 | // in a multi-thread environment, SS_ExternalMemory::sid can be changed | |
38 | // by a different thread while this thread is in the middle of ld/st | |
39 | // operation, that may cause ld_callback() to have different sid value, so | |
40 | // store the value in a local variable at the beginning to guarantee all | |
41 | // ld/st calls within this function have the same sid. | |
42 | int sid_local = sid; | |
43 | (ld_callback)(sid_local,addr ,CODEFETCH,0xff,&data[0]); | |
44 | (ld_callback)(sid_local,addr + 8,CODEFETCH,0xff,&data[1]); | |
45 | (ld_callback)(sid_local,addr + 16,CODEFETCH,0xff,&data[2]); | |
46 | (ld_callback)(sid_local,addr + 24,CODEFETCH,0xff,&data[3]); | |
47 | } | |
48 | /*}}}*/ | |
49 | void SS_ExternalMemory::fetch512( uint64_t addr, uint64_t data[8] )/*{{{*/ | |
50 | { | |
51 | int sid_local = sid; | |
52 | (ld_callback)(sid_local,addr ,CODEFETCH,0xff,&data[0]); | |
53 | (ld_callback)(sid_local,addr + 8,CODEFETCH,0xff,&data[1]); | |
54 | (ld_callback)(sid_local,addr + 16,CODEFETCH,0xff,&data[2]); | |
55 | (ld_callback)(sid_local,addr + 24,CODEFETCH,0xff,&data[3]); | |
56 | (ld_callback)(sid_local,addr + 32,CODEFETCH,0xff,&data[4]); | |
57 | (ld_callback)(sid_local,addr + 40,CODEFETCH,0xff,&data[5]); | |
58 | (ld_callback)(sid_local,addr + 48,CODEFETCH,0xff,&data[6]); | |
59 | (ld_callback)(sid_local,addr + 56,CODEFETCH,0xff,&data[7]); | |
60 | } | |
61 | /*}}}*/ | |
62 | ||
63 | uint8_t SS_ExternalMemory::ld8u ( uint64_t addr )/*{{{*/ | |
64 | { | |
65 | int sid_local = sid; | |
66 | uint64_t data; | |
67 | uint_t n = 7 - (addr & 7); | |
68 | (ld_callback)(sid_local,addr &~ 7,NORMAL,0x1 << n,&data); | |
69 | return data >> (n * 8); | |
70 | } | |
71 | /*}}}*/ | |
72 | int8_t SS_ExternalMemory::ld8s ( uint64_t addr )/*{{{*/ | |
73 | { | |
74 | int sid_local = sid; | |
75 | uint64_t data; | |
76 | uint_t n = 7 - (addr & 7); | |
77 | (ld_callback)(sid_local,addr &~ 7,NORMAL,0x1 << n,&data); | |
78 | return data >> (n * 8); | |
79 | } | |
80 | /*}}}*/ | |
81 | uint16_t SS_ExternalMemory::ld16u( uint64_t addr )/*{{{*/ | |
82 | { | |
83 | int sid_local = sid; | |
84 | uint64_t data; | |
85 | uint_t n = 6 - (addr & 6); | |
86 | (ld_callback)(sid_local,addr &~ 7,NORMAL,0x3 << n,&data); | |
87 | return data >> (n * 8); | |
88 | } | |
89 | /*}}}*/ | |
90 | int16_t SS_ExternalMemory::ld16s( uint64_t addr )/*{{{*/ | |
91 | { | |
92 | int sid_local = sid; | |
93 | uint64_t data; | |
94 | uint_t n = 6 - (addr & 6); | |
95 | (ld_callback)(sid_local,addr &~ 7,NORMAL,0x3 << n,&data); | |
96 | return data >> (n * 8); | |
97 | } | |
98 | /*}}}*/ | |
99 | uint32_t SS_ExternalMemory::ld32u( uint64_t addr )/*{{{*/ | |
100 | { | |
101 | int sid_local = sid; | |
102 | uint64_t data; | |
103 | uint_t n = 4 - (addr & 4); | |
104 | (ld_callback)(sid_local,addr &~ 7,NORMAL,0xf << n,&data); | |
105 | return data >> (n * 8); | |
106 | } | |
107 | /*}}}*/ | |
108 | int32_t SS_ExternalMemory::ld32s( uint64_t addr )/*{{{*/ | |
109 | { | |
110 | int sid_local = sid; | |
111 | uint64_t data; | |
112 | uint_t n = 4 - (addr & 4); | |
113 | (ld_callback)(sid_local,addr &~ 7,NORMAL,0xf << n,&data); | |
114 | return data >> (n * 8); | |
115 | } | |
116 | /*}}}*/ | |
117 | uint64_t SS_ExternalMemory::ld64 ( uint64_t addr )/*{{{*/ | |
118 | { | |
119 | int sid_local = sid; | |
120 | uint64_t data; | |
121 | (ld_callback)(sid_local,addr,NORMAL,0xff,&data); | |
122 | return data; | |
123 | } | |
124 | /*}}}*/ | |
125 | void SS_ExternalMemory::ld128( uint64_t addr, uint64_t data[2] )/*{{{*/ | |
126 | { | |
127 | int sid_local = sid; | |
128 | (ld_callback)(sid_local,addr ,NORMAL,0xff,&data[0]); | |
129 | (ld_callback)(sid_local,addr + 8,NORMAL,0xff,&data[1]); | |
130 | } | |
131 | /*}}}*/ | |
132 | void SS_ExternalMemory::ld256( uint64_t addr, uint64_t data[4] )/*{{{*/ | |
133 | { | |
134 | int sid_local = sid; | |
135 | (ld_callback)(sid_local,addr ,NORMAL,0xff,&data[0]); | |
136 | (ld_callback)(sid_local,addr + 8,NORMAL,0xff,&data[1]); | |
137 | (ld_callback)(sid_local,addr + 16,NORMAL,0xff,&data[2]); | |
138 | (ld_callback)(sid_local,addr + 24,NORMAL,0xff,&data[3]); | |
139 | } | |
140 | /*}}}*/ | |
141 | void SS_ExternalMemory::ld512( uint64_t addr, uint64_t data[8] )/*{{{*/ | |
142 | { | |
143 | int sid_local = sid; | |
144 | (ld_callback)(sid_local,addr ,NORMAL,0xff,&data[0]); | |
145 | (ld_callback)(sid_local,addr + 8,NORMAL,0xff,&data[1]); | |
146 | (ld_callback)(sid_local,addr + 16,NORMAL,0xff,&data[2]); | |
147 | (ld_callback)(sid_local,addr + 24,NORMAL,0xff,&data[3]); | |
148 | (ld_callback)(sid_local,addr + 32,NORMAL,0xff,&data[4]); | |
149 | (ld_callback)(sid_local,addr + 40,NORMAL,0xff,&data[5]); | |
150 | (ld_callback)(sid_local,addr + 48,NORMAL,0xff,&data[6]); | |
151 | (ld_callback)(sid_local,addr + 56,NORMAL,0xff,&data[7]); | |
152 | } | |
153 | /*}}}*/ | |
154 | void SS_ExternalMemory::st8( uint64_t addr, uint8_t data )/*{{{*/ | |
155 | { | |
156 | int sid_local = sid; | |
157 | uint_t n = 7 - (addr & 7); | |
158 | (st_callback)(sid_local,addr &~ 7,NORMAL,0x1 << n,uint64_t(data) << (n * 8)); | |
159 | } | |
160 | /*}}}*/ | |
161 | void SS_ExternalMemory::st16( uint64_t addr, uint16_t data )/*{{{*/ | |
162 | { | |
163 | int sid_local = sid; | |
164 | uint_t n = 6 - (addr & 6); | |
165 | (st_callback)(sid_local,addr &~ 7,NORMAL,0x3 << n,uint64_t(data) << (n * 8)); | |
166 | } | |
167 | /*}}}*/ | |
168 | void SS_ExternalMemory::st32( uint64_t addr, uint32_t data )/*{{{*/ | |
169 | { | |
170 | int sid_local = sid; | |
171 | uint_t n = 4 - (addr & 4); | |
172 | (st_callback)(sid_local,addr &~ 7,NORMAL,0xf << n,uint64_t(data) << (n * 8)); | |
173 | } | |
174 | /*}}}*/ | |
175 | void SS_ExternalMemory::st64( uint64_t addr, uint64_t data )/*{{{*/ | |
176 | { | |
177 | int sid_local = sid; | |
178 | (st_callback)(sid_local,addr,NORMAL,0xff,data); | |
179 | } | |
180 | /*}}}*/ | |
181 | void SS_ExternalMemory::st128( uint64_t addr, uint64_t data[2] )/*{{{*/ | |
182 | { | |
183 | int sid_local = sid; | |
184 | (st_callback)(sid_local,addr ,NORMAL,0xff,data[0]); | |
185 | (st_callback)(sid_local,addr + 8,NORMAL,0xff,data[1]); | |
186 | } | |
187 | /*}}}*/ | |
188 | void SS_ExternalMemory::st512( uint64_t addr, uint64_t data[8] )/*{{{*/ | |
189 | { | |
190 | int sid_local = sid; | |
191 | (st_callback)(sid_local,addr ,NORMAL,0xff,data[0]); | |
192 | (st_callback)(sid_local,addr + 8,NORMAL,0xff,data[1]); | |
193 | (st_callback)(sid_local,addr + 16,NORMAL,0xff,data[2]); | |
194 | (st_callback)(sid_local,addr + 24,NORMAL,0xff,data[3]); | |
195 | (st_callback)(sid_local,addr + 32,NORMAL,0xff,data[4]); | |
196 | (st_callback)(sid_local,addr + 40,NORMAL,0xff,data[5]); | |
197 | (st_callback)(sid_local,addr + 48,NORMAL,0xff,data[6]); | |
198 | (st_callback)(sid_local,addr + 56,NORMAL,0xff,data[7]); | |
199 | } | |
200 | /*}}}*/ | |
201 | void SS_ExternalMemory::st64partial( uint64_t addr, uint64_t data, uint64_t mask ) /*{{{*/ | |
202 | { | |
203 | int sid_local = sid; | |
204 | (st_callback)(sid_local,addr,NORMAL,mask,data); | |
205 | } | |
206 | /*}}}*/ | |
207 | void SS_ExternalMemory::ld128atomic( uint64_t addr, uint64_t data[2] )/*{{{*/ | |
208 | { | |
209 | int sid_local = sid; | |
210 | (ld_callback)(sid_local,addr ,ATOMIC,0xff,&data[0]); | |
211 | (ld_callback)(sid_local,addr + 8,ATOMIC,0xff,&data[1]); | |
212 | } | |
213 | /*}}}*/ | |
214 | uint8_t SS_ExternalMemory::ldstub( uint64_t addr )/*{{{*/ | |
215 | { | |
216 | int sid_local = sid; | |
217 | uint64_t data; | |
218 | uint_t n = 7 - (addr & 7); | |
219 | (ld_callback)(sid_local,addr &~ 7,ATOMIC,0x1 << n,&data); | |
220 | (st_callback)(sid_local,addr &~ 7,ATOMIC,0x1 << n,0xff << (n * 8)); | |
221 | return data >> (n * 8); | |
222 | } | |
223 | /*}}}*/ | |
224 | uint32_t SS_ExternalMemory::swap( uint64_t addr, uint32_t rd )/*{{{*/ | |
225 | { | |
226 | int sid_local = sid; | |
227 | uint64_t data; | |
228 | uint_t n = 4 - (addr & 4); | |
229 | (ld_callback)(sid_local,addr &~ 7,ATOMIC,0xf << n,&data); | |
230 | (st_callback)(sid_local,addr &~ 7,ATOMIC,0xf << n,uint64_t(rd) << (n * 8)); | |
231 | return data >> (n * 8); | |
232 | } | |
233 | /*}}}*/ | |
234 | uint64_t SS_ExternalMemory::casx( uint64_t addr, uint64_t rd, uint64_t rs2 )/*{{{*/ | |
235 | { | |
236 | int sid_local = sid; | |
237 | uint64_t data; | |
238 | (ld_callback)(sid_local,addr,ATOMIC,0xff,&data); | |
239 | if (rs2 == data) | |
240 | (st_callback)(sid_local,addr,ATOMIC,0xff,rd); | |
241 | else if (dummy_st_for_cas) | |
242 | (st_callback)(sid_local,addr,ATOMIC,0,rd); | |
243 | return data; | |
244 | } | |
245 | /*}}}*/ | |
246 | uint32_t SS_ExternalMemory::cas( uint64_t addr, uint32_t rd, uint32_t rs2 )/*{{{*/ | |
247 | { | |
248 | int sid_local = sid; | |
249 | uint64_t data; | |
250 | uint_t n = 4 - (addr & 4); | |
251 | (ld_callback)(sid_local,addr &~ 7,ATOMIC,0xf << n,&data); | |
252 | data = uint32_t(data >> (n * 8)); | |
253 | if (rs2 == data) | |
254 | (st_callback)(sid_local,addr &~ 7,ATOMIC,0xf << n,uint64_t(rd) << (n * 8)); | |
255 | else if (dummy_st_for_cas) | |
256 | (st_callback)(sid_local,addr &~ 7,ATOMIC,0,uint64_t(rd) << (n * 8)); | |
257 | return data; | |
258 | } | |
259 | /*}}}*/ | |
260 | void SS_ExternalMemory::prefetch( uint64_t addr, uint_t size )/*{{{*/ | |
261 | { | |
262 | } | |
263 | /*}}}*/ | |
264 | void SS_ExternalMemory::flush( uint64_t addr, uint_t size )/*{{{*/ | |
265 | { | |
266 | } | |
267 | /*}}}*/ |