Commit | Line | Data |
---|---|---|
86530b38 AT |
1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: tso_n1_cross_mod103.s | |
5 | * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
6 | * 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
7 | * | |
8 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; version 2 of the License. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | * For the avoidance of doubt, and except that if any non-GPL license | |
24 | * choice is available it will apply instead, Sun elects to use only | |
25 | * the General Public License version 2 (GPLv2) at this time for any | |
26 | * software where a choice of GPL license versions is made | |
27 | * available with the language indicating that GPLv2 or any later version | |
28 | * may be used, or where a choice of which version of the GPL is applied is | |
29 | * otherwise unspecified. | |
30 | * | |
31 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
32 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
33 | * have any questions. | |
34 | * | |
35 | * | |
36 | * ========== Copyright Header End ============================================ | |
37 | */ | |
38 | #define MAIN_BASE_DATA_ADDR 0x160000 | |
39 | #define MAIN_BASE_TEXT_ADDR 0x150000 | |
40 | #define MAIN_BASE_DATA_ADDR_RA 0x100160000 | |
41 | #define MAIN_BASE_TEXT_ADDR_RA 0x100150000 | |
42 | ||
43 | #define USER_PAGE_CUSTOM_MAP | |
44 | #include "hboot.s" | |
45 | ||
46 | SECTION .MAIN TEXT_VA=0x150000, DATA_VA=0x160000 | |
47 | ||
48 | attr_text { | |
49 | Name = .MAIN, | |
50 | VA=MAIN_BASE_TEXT_ADDR, | |
51 | RA=MAIN_BASE_TEXT_ADDR_RA, | |
52 | PA=ra2pa(MAIN_BASE_TEXT_ADDR_RA,0), | |
53 | part_0_ctx_nonzero_tsb_config_0, | |
54 | TTE_G=0, TTE_Context=PCONTEXT, TTE_V=1, TTE_Size=0, TTE_NFO=0, | |
55 | TTE_IE=0, TTE_Soft2=0, TTE_Diag=0, TTE_Soft=0, | |
56 | TTE_L=0, TTE_CP=1, TTE_CV=1, TTE_EP=1, TTE_E=0, TTE_P=0, TTE_W=1 | |
57 | } | |
58 | attr_data { | |
59 | Name = .MAIN, | |
60 | VA=MAIN_BASE_DATA_ADDR, | |
61 | RA=MAIN_BASE_DATA_ADDR_RA, | |
62 | PA=ra2pa(MAIN_BASE_DATA_ADDR_RA,0), | |
63 | part_0_ctx_nonzero_tsb_config_0, | |
64 | TTE_G=0, TTE_Context=PCONTEXT, TTE_V=1, TTE_Size=0, TTE_NFO=0, | |
65 | TTE_IE=0, TTE_Soft2=0, TTE_Diag=0, TTE_Soft=0, | |
66 | TTE_L=0, TTE_CP=1, TTE_CV=1, TTE_E=0, TTE_P=0, TTE_W=1 | |
67 | } | |
68 | ||
69 | .text | |
70 | .global main | |
71 | main: | |
72 | clr %l0 | |
73 | ||
74 | th_fork(th_main,%l0) | |
75 | ||
76 | ||
77 | ! this thread modfifies the code | |
78 | !=============================== | |
79 | th_main_0: | |
80 | ||
81 | !-------------------------------------------------------------------- | |
82 | setx exit_code1,%l0, %l1 ! pointers... | |
83 | setx wait_loop1, %l0, %l3 ! | |
84 | ld [%l3], %o6 ! get the instruction in the D$ | |
85 | ld [%l1], %o6 ! | |
86 | ld [%l1+4], %o7 ! | |
87 | st %o6, [%l3 + 8] ! modify the code. | |
88 | st %o7, [%l3 + 4] ! the new code is a jump instruction | |
89 | !-------------------------------------------------------------------- | |
90 | setx exit_code2,%l0, %l1 ! pointers... | |
91 | setx wait_loop2, %l0, %l3 ! | |
92 | ld [%l3], %o6 ! | |
93 | ld [%l1], %o6 ! | |
94 | ld [%l1+4], %o7 ! | |
95 | st %o6, [%l3 + 8] ! modify the code. | |
96 | st %o7, [%l3 + 4] ! store the jump | |
97 | !-------------------------------------------------------------------- | |
98 | setx exit_code3,%l0, %l1 ! pointers... | |
99 | setx wait_loop3, %l0, %l3 ! | |
100 | ld [%l3], %o6 ! | |
101 | ld [%l1], %o6 ! | |
102 | ld [%l1+4], %o7 ! | |
103 | st %o6, [%l3 + 8] ! modify the code. | |
104 | st %o7, [%l3 + 4] ! store the jump | |
105 | !-------------------------------------------------------------------- | |
106 | setx exit_code4,%l0, %l1 ! pointers... | |
107 | setx wait_loop4, %l0, %l3 ! | |
108 | ld [%l3], %o6 ! | |
109 | ld [%l1], %o6 ! | |
110 | ld [%l1+4], %o7 ! | |
111 | st %o6, [%l3 + 8] ! modify the code. | |
112 | st %o7, [%l3 + 4] ! store the jump | |
113 | !-------------------------------------------------------------------- | |
114 | setx exit_code5,%l0, %l1 ! pointers... | |
115 | setx wait_loop5, %l0, %l3 ! | |
116 | ld [%l3], %o6 ! | |
117 | ld [%l1], %o6 ! | |
118 | ld [%l1+4], %o7 ! | |
119 | st %o6, [%l3 + 8] ! modify the code. | |
120 | st %o7, [%l3 + 4] ! store the jump | |
121 | !-------------------------------------------------------------------- | |
122 | setx exit_code6,%l0, %l1 ! pointers... | |
123 | setx wait_loop6, %l0, %l3 ! | |
124 | ld [%l3], %o6 ! | |
125 | ld [%l1], %o6 ! | |
126 | ld [%l1+4], %o7 ! | |
127 | st %o6, [%l3 + 8] ! modify the code. | |
128 | st %o7, [%l3 + 4] ! store the jump | |
129 | !-------------------------------------------------------------------- | |
130 | setx exit_code7,%l0, %l1 ! pointers... | |
131 | setx wait_loop7, %l0, %l3 ! | |
132 | ld [%l3], %o6 ! | |
133 | ld [%l1], %o6 ! | |
134 | ld [%l1+4], %o7 ! | |
135 | st %o6, [%l3 + 8] ! modify the code. | |
136 | st %o7, [%l3 + 4] ! store the jump | |
137 | !-------------------------------------------------------------------- | |
138 | setx exit_code8,%l0, %l1 ! pointers... | |
139 | setx wait_loop8, %l0, %l3 ! | |
140 | ld [%l3], %o6 ! | |
141 | ld [%l1], %o6 ! | |
142 | ld [%l1+4], %o7 ! | |
143 | st %o6, [%l3 + 8] ! modify the code. | |
144 | st %o7, [%l3 + 4] ! store the jump | |
145 | !-------------------------------------------------------------------- | |
146 | setx exit_code9,%l0, %l1 ! pointers... | |
147 | setx wait_loop9, %l0, %l3 ! | |
148 | ld [%l3], %o6 ! | |
149 | ld [%l1], %o6 ! | |
150 | ld [%l1+4], %o7 ! | |
151 | st %o6, [%l3 + 8] ! modify the code. | |
152 | st %o7, [%l3 + 4] ! store the jump | |
153 | !-------------------------------------------------------------------- | |
154 | setx exit_codea,%l0, %l1 ! pointers... | |
155 | setx wait_loopa, %l0, %l3 ! | |
156 | ld [%l3], %o6 ! | |
157 | ld [%l1], %o6 ! | |
158 | ld [%l1+4], %o7 ! | |
159 | st %o6, [%l3 + 8] ! modify the code. | |
160 | st %o7, [%l3 + 4] ! store the jump | |
161 | !-------------------------------------------------------------------- | |
162 | setx exit_codeb,%l0, %l1 ! pointers... | |
163 | setx wait_loopb, %l0, %l3 ! | |
164 | ld [%l3], %o6 ! | |
165 | ld [%l1], %o6 ! | |
166 | ld [%l1+4], %o7 ! | |
167 | st %o6, [%l3 + 8] ! modify the code. | |
168 | st %o7, [%l3 + 4] ! store the jump | |
169 | ba good_end | |
170 | nop | |
171 | !-------------------------------------------------------------------- | |
172 | ||
173 | ! these are the receivers | |
174 | !------------------------ | |
175 | .align 0x4 | |
176 | th_main_1: | |
177 | th_main_4: | |
178 | ||
179 | !-------------------------------------------------------------- | |
180 | set goon1, %i0 | |
181 | set 0x0, %i1 | |
182 | wait_loop1: ! wait | |
183 | nop ! this will be replaced | |
184 | nop ! this also (with a jump) | |
185 | nop | |
186 | ba wait_loop1 | |
187 | nop | |
188 | goon1: | |
189 | subcc %i1, 1, %i1 | |
190 | bne bad_end | |
191 | nop | |
192 | set 0x0, %i1 | |
193 | set goon2, %i0 | |
194 | ba wait_loop2 | |
195 | nop | |
196 | !-------------------------------------------------------------- | |
197 | wait_loop2: ! wait | |
198 | nop ! this will be replaced | |
199 | nop ! this (with a jump) | |
200 | nop | |
201 | ba wait_loop2 | |
202 | nop | |
203 | goon2: | |
204 | subcc %i1, 1, %i1 | |
205 | bne bad_end | |
206 | nop | |
207 | set 0x0, %i1 | |
208 | set goon3, %i0 | |
209 | ba wait_loop3 | |
210 | nop | |
211 | !-------------------------------------------------------------- | |
212 | wait_loop3: ! wait | |
213 | nop ! this will be replaced | |
214 | nop ! this too | |
215 | nop | |
216 | ba wait_loop3 | |
217 | nop | |
218 | goon3: | |
219 | subcc %i1, 1, %i1 | |
220 | bne bad_end | |
221 | nop | |
222 | set 0x0, %i1 | |
223 | set goon4, %i0 | |
224 | ba wait_loop4 | |
225 | nop | |
226 | !-------------------------------------------------------------- | |
227 | .align 0x4 | |
228 | wait_loop4: ! wait | |
229 | nop ! this will be replaced | |
230 | nop ! this too | |
231 | nop | |
232 | ba wait_loop4 | |
233 | nop | |
234 | goon4: | |
235 | subcc %i1, 1, %i1 | |
236 | bne bad_end | |
237 | nop | |
238 | set 0x0, %i1 | |
239 | set goon5, %i0 | |
240 | ba wait_loop5 | |
241 | nop | |
242 | !-------------------------------------------------------------- | |
243 | .align 0x4 | |
244 | wait_loop5: ! wait | |
245 | nop ! this will be replaced | |
246 | nop ! this too | |
247 | nop | |
248 | ba wait_loop5 | |
249 | nop | |
250 | goon5: | |
251 | subcc %i1, 1, %i1 | |
252 | bne bad_end | |
253 | nop | |
254 | set 0x0, %i1 | |
255 | set goon6, %i0 | |
256 | ba wait_loop6 | |
257 | nop | |
258 | !-------------------------------------------------------------- | |
259 | .align 0x4 | |
260 | wait_loop6: ! wait | |
261 | nop ! this will be replaced | |
262 | nop ! this too | |
263 | nop | |
264 | ba wait_loop6 | |
265 | nop | |
266 | goon6: | |
267 | subcc %i1, 1, %i1 | |
268 | bne bad_end | |
269 | nop | |
270 | set 0x0, %i1 | |
271 | set goon7, %i0 | |
272 | ba wait_loop7 | |
273 | nop | |
274 | !-------------------------------------------------------------- | |
275 | .align 0x4 | |
276 | wait_loop7: ! wait | |
277 | nop ! this will be replaced | |
278 | nop ! this too | |
279 | nop | |
280 | ba wait_loop7 | |
281 | nop | |
282 | goon7: | |
283 | subcc %i1, 1, %i1 | |
284 | bne bad_end | |
285 | nop | |
286 | set goon8, %i0 | |
287 | ba wait_loop8 | |
288 | nop | |
289 | !-------------------------------------------------------------- | |
290 | .align 0x4 | |
291 | wait_loop8: ! wait | |
292 | nop ! this will be replaced | |
293 | nop ! this too | |
294 | nop | |
295 | ba wait_loop8 | |
296 | nop | |
297 | goon8: | |
298 | subcc %i1, 1, %i1 | |
299 | bne bad_end | |
300 | nop | |
301 | set 0x0, %i1 | |
302 | set goon9, %i0 | |
303 | ba wait_loop9 | |
304 | nop | |
305 | !-------------------------------------------------------------- | |
306 | .align 0x4 | |
307 | wait_loop9: ! wait | |
308 | nop ! this will be replaced | |
309 | nop ! this too | |
310 | nop | |
311 | ba wait_loop9 | |
312 | nop | |
313 | goon9: | |
314 | subcc %i1, 1, %i1 | |
315 | bne bad_end | |
316 | nop | |
317 | set 0x0, %i1 | |
318 | set goona, %i0 | |
319 | ba wait_loopa | |
320 | nop | |
321 | !-------------------------------------------------------------- | |
322 | .align 0x4 | |
323 | wait_loopa: ! wait | |
324 | nop ! this too | |
325 | nop ! this too | |
326 | nop | |
327 | ba wait_loopa | |
328 | nop | |
329 | goona: | |
330 | subcc %i1, 1, %i1 | |
331 | bne bad_end | |
332 | nop | |
333 | set 0x0, %i1 | |
334 | set goonb, %i0 | |
335 | ba wait_loopb | |
336 | nop | |
337 | !-------------------------------------------------------------- | |
338 | wait_loopb: ! wait | |
339 | nop ! this too | |
340 | nop ! this too | |
341 | nop | |
342 | ba wait_loopb | |
343 | nop | |
344 | goonb: | |
345 | subcc %i1, 1, %i1 | |
346 | bne bad_end | |
347 | nop | |
348 | !-------------------------------------------------------------- | |
349 | ||
350 | good_end: | |
351 | ta T_GOOD_TRAP | |
352 | bad_end: | |
353 | ta T_BAD_TRAP | |
354 | ||
355 | !-------------------------------------------------------------- | |
356 | .align 0x4 | |
357 | exit_code1: | |
358 | set 0x1, %i1 | |
359 | jmpl %i0,%o7 | |
360 | set 0x0, %i1 | |
361 | !-------------------------------------------------------------- | |
362 | .align 0x4 | |
363 | exit_code2: | |
364 | set 0x1, %i1 | |
365 | jmpl %i0,%o7 | |
366 | set 0x0, %i1 | |
367 | !-------------------------------------------------------------- | |
368 | .align 0x4 | |
369 | exit_code3: | |
370 | set 0x1, %i1 | |
371 | jmpl %i0,%o7 | |
372 | set 0x0, %i1 | |
373 | !-------------------------------------------------------------- | |
374 | .align 0x4 | |
375 | exit_code4: | |
376 | set 0x1, %i1 | |
377 | jmpl %i0,%o7 | |
378 | set 0x0, %i1 | |
379 | !-------------------------------------------------------------- | |
380 | .align 0x4 | |
381 | exit_code5: | |
382 | set 0x1, %i1 | |
383 | jmpl %i0,%o7 | |
384 | set 0x0, %i1 | |
385 | !-------------------------------------------------------------- | |
386 | .align 0x4 | |
387 | exit_code6: | |
388 | set 0x1, %i1 | |
389 | jmpl %i0,%o7 | |
390 | set 0x0, %i1 | |
391 | !-------------------------------------------------------------- | |
392 | .align 0x4 | |
393 | exit_code7: | |
394 | set 0x1, %i1 | |
395 | jmpl %i0,%o7 | |
396 | set 0x0, %i1 | |
397 | !-------------------------------------------------------------- | |
398 | .align 0x4 | |
399 | exit_code8: | |
400 | set 0x1, %i1 | |
401 | jmpl %i0,%o7 | |
402 | set 0x0, %i1 | |
403 | !-------------------------------------------------------------- | |
404 | .align 0x4 | |
405 | exit_code9: | |
406 | set 0x1, %i1 | |
407 | jmpl %i0,%o7 | |
408 | set 0x0, %i1 | |
409 | !-------------------------------------------------------------- | |
410 | .align 0x4 | |
411 | exit_codea: | |
412 | set 0x1, %i1 | |
413 | jmpl %i0,%o7 | |
414 | set 0x0, %i1 | |
415 | !-------------------------------------------------------------- | |
416 | .align 0x4 | |
417 | exit_codeb: | |
418 | set 0x1, %i1 | |
419 | jmpl %i0,%o7 | |
420 | set 0x0, %i1 | |
421 | !-------------------------------------------------------------- | |
422 | ||
423 | .data | |
424 | .global ready | |
425 | ready: | |
426 | .word 0x0 | |
427 | ||
428 | .end |