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nvc0: Use GP100_COMPUTE_CLASS on GP10B
[mesa.git] / src / gallium / drivers / nouveau / nvc0 / nve4_compute.c
1 /*
2 * Copyright 2012 Nouveau Project
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Christoph Bumiller
23 */
24
25 #include "nvc0/nvc0_context.h"
26 #include "nvc0/nve4_compute.h"
27
28 #include "codegen/nv50_ir_driver.h"
29
30 #ifdef DEBUG
31 static void nve4_compute_dump_launch_desc(const struct nve4_cp_launch_desc *);
32 static void gp100_compute_dump_launch_desc(const struct gp100_cp_launch_desc *);
33 #endif
34
35
36 int
37 nve4_screen_compute_setup(struct nvc0_screen *screen,
38 struct nouveau_pushbuf *push)
39 {
40 struct nouveau_device *dev = screen->base.device;
41 struct nouveau_object *chan = screen->base.channel;
42 int i;
43 int ret;
44 uint32_t obj_class;
45 uint64_t address;
46
47 switch (dev->chipset & ~0xf) {
48 case 0x100:
49 case 0xf0:
50 obj_class = NVF0_COMPUTE_CLASS; /* GK110 */
51 break;
52 case 0xe0:
53 obj_class = NVE4_COMPUTE_CLASS; /* GK104 */
54 break;
55 case 0x110:
56 obj_class = GM107_COMPUTE_CLASS;
57 break;
58 case 0x120:
59 obj_class = GM200_COMPUTE_CLASS;
60 break;
61 case 0x130:
62 obj_class = (dev->chipset == 0x130 || dev->chipset == 0x13b) ?
63 GP100_COMPUTE_CLASS : GP104_COMPUTE_CLASS;
64 break;
65 default:
66 NOUVEAU_ERR("unsupported chipset: NV%02x\n", dev->chipset);
67 return -1;
68 }
69
70 ret = nouveau_object_new(chan, 0xbeef00c0, obj_class, NULL, 0,
71 &screen->compute);
72 if (ret) {
73 NOUVEAU_ERR("Failed to allocate compute object: %d\n", ret);
74 return ret;
75 }
76
77 BEGIN_NVC0(push, SUBC_CP(NV01_SUBCHAN_OBJECT), 1);
78 PUSH_DATA (push, screen->compute->oclass);
79
80 BEGIN_NVC0(push, NVE4_CP(TEMP_ADDRESS_HIGH), 2);
81 PUSH_DATAh(push, screen->tls->offset);
82 PUSH_DATA (push, screen->tls->offset);
83 /* No idea why there are 2. Divide size by 2 to be safe.
84 * Actually this might be per-MP TEMP size and looks like I'm only using
85 * 2 MPs instead of all 8.
86 */
87 BEGIN_NVC0(push, NVE4_CP(MP_TEMP_SIZE_HIGH(0)), 3);
88 PUSH_DATAh(push, screen->tls->size / screen->mp_count);
89 PUSH_DATA (push, (screen->tls->size / screen->mp_count) & ~0x7fff);
90 PUSH_DATA (push, 0xff);
91 BEGIN_NVC0(push, NVE4_CP(MP_TEMP_SIZE_HIGH(1)), 3);
92 PUSH_DATAh(push, screen->tls->size / screen->mp_count);
93 PUSH_DATA (push, (screen->tls->size / screen->mp_count) & ~0x7fff);
94 PUSH_DATA (push, 0xff);
95
96 /* Unified address space ? Who needs that ? Certainly not OpenCL.
97 *
98 * FATAL: Buffers with addresses inside [0x1000000, 0x3000000] will NOT be
99 * accessible. We cannot prevent that at the moment, so expect failure.
100 */
101 BEGIN_NVC0(push, NVE4_CP(LOCAL_BASE), 1);
102 PUSH_DATA (push, 0xff << 24);
103 BEGIN_NVC0(push, NVE4_CP(SHARED_BASE), 1);
104 PUSH_DATA (push, 0xfe << 24);
105
106 BEGIN_NVC0(push, NVE4_CP(CODE_ADDRESS_HIGH), 2);
107 PUSH_DATAh(push, screen->text->offset);
108 PUSH_DATA (push, screen->text->offset);
109
110 BEGIN_NVC0(push, SUBC_CP(0x0310), 1);
111 PUSH_DATA (push, (obj_class >= NVF0_COMPUTE_CLASS) ? 0x400 : 0x300);
112
113 /* NOTE: these do not affect the state used by the 3D object */
114 BEGIN_NVC0(push, NVE4_CP(TIC_ADDRESS_HIGH), 3);
115 PUSH_DATAh(push, screen->txc->offset);
116 PUSH_DATA (push, screen->txc->offset);
117 PUSH_DATA (push, NVC0_TIC_MAX_ENTRIES - 1);
118 BEGIN_NVC0(push, NVE4_CP(TSC_ADDRESS_HIGH), 3);
119 PUSH_DATAh(push, screen->txc->offset + 65536);
120 PUSH_DATA (push, screen->txc->offset + 65536);
121 PUSH_DATA (push, NVC0_TSC_MAX_ENTRIES - 1);
122
123 if (obj_class >= NVF0_COMPUTE_CLASS) {
124 /* The blob calls GK110_COMPUTE.FIRMWARE[0x6], along with the args (0x1)
125 * passed with GK110_COMPUTE.GRAPH.SCRATCH[0x2]. This is currently
126 * disabled because our firmware doesn't support these commands and the
127 * GPU hangs if they are used. */
128 BEGIN_NIC0(push, SUBC_CP(0x0248), 64);
129 for (i = 63; i >= 0; i--)
130 PUSH_DATA(push, 0x38000 | i);
131 IMMED_NVC0(push, SUBC_CP(NV50_GRAPH_SERIALIZE), 0);
132 }
133
134 BEGIN_NVC0(push, NVE4_CP(TEX_CB_INDEX), 1);
135 PUSH_DATA (push, 7); /* does not interfere with 3D */
136
137 /* Disabling this UNK command avoid a read fault when using texelFetch()
138 * from a compute shader for weird reasons.
139 if (obj_class == NVF0_COMPUTE_CLASS)
140 IMMED_NVC0(push, SUBC_CP(0x02c4), 1);
141 */
142
143 address = screen->uniform_bo->offset + NVC0_CB_AUX_INFO(5);
144
145 /* MS sample coordinate offsets: these do not work with _ALT modes ! */
146 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
147 PUSH_DATAh(push, address + NVC0_CB_AUX_MS_INFO);
148 PUSH_DATA (push, address + NVC0_CB_AUX_MS_INFO);
149 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
150 PUSH_DATA (push, 64);
151 PUSH_DATA (push, 1);
152 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 17);
153 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
154 PUSH_DATA (push, 0); /* 0 */
155 PUSH_DATA (push, 0);
156 PUSH_DATA (push, 1); /* 1 */
157 PUSH_DATA (push, 0);
158 PUSH_DATA (push, 0); /* 2 */
159 PUSH_DATA (push, 1);
160 PUSH_DATA (push, 1); /* 3 */
161 PUSH_DATA (push, 1);
162 PUSH_DATA (push, 2); /* 4 */
163 PUSH_DATA (push, 0);
164 PUSH_DATA (push, 3); /* 5 */
165 PUSH_DATA (push, 0);
166 PUSH_DATA (push, 2); /* 6 */
167 PUSH_DATA (push, 1);
168 PUSH_DATA (push, 3); /* 7 */
169 PUSH_DATA (push, 1);
170
171 #ifdef NOUVEAU_NVE4_MP_TRAP_HANDLER
172 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
173 PUSH_DATAh(push, screen->parm->offset + NVE4_CP_INPUT_TRAP_INFO_PTR);
174 PUSH_DATA (push, screen->parm->offset + NVE4_CP_INPUT_TRAP_INFO_PTR);
175 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
176 PUSH_DATA (push, 28);
177 PUSH_DATA (push, 1);
178 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 8);
179 PUSH_DATA (push, 1);
180 PUSH_DATA (push, screen->parm->offset + NVE4_CP_PARAM_TRAP_INFO);
181 PUSH_DATAh(push, screen->parm->offset + NVE4_CP_PARAM_TRAP_INFO);
182 PUSH_DATA (push, screen->tls->offset);
183 PUSH_DATAh(push, screen->tls->offset);
184 PUSH_DATA (push, screen->tls->size / 2); /* MP TEMP block size */
185 PUSH_DATA (push, screen->tls->size / 2 / 64); /* warp TEMP block size */
186 PUSH_DATA (push, 0); /* warp cfstack size */
187 #endif
188
189 BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
190 PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
191
192 return 0;
193 }
194
195 static void
196 gm107_compute_validate_surfaces(struct nvc0_context *nvc0,
197 struct pipe_image_view *view, int slot)
198 {
199 struct nv04_resource *res = nv04_resource(view->resource);
200 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
201 struct nvc0_screen *screen = nvc0->screen;
202 struct nouveau_bo *txc = nvc0->screen->txc;
203 struct nv50_tic_entry *tic;
204 uint64_t address;
205 const int s = 5;
206
207 tic = nv50_tic_entry(nvc0->images_tic[s][slot]);
208
209 res = nv04_resource(tic->pipe.texture);
210 nvc0_update_tic(nvc0, tic, res);
211
212 if (tic->id < 0) {
213 tic->id = nvc0_screen_tic_alloc(nvc0->screen, tic);
214
215 /* upload the texture view */
216 PUSH_SPACE(push, 16);
217 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
218 PUSH_DATAh(push, txc->offset + (tic->id * 32));
219 PUSH_DATA (push, txc->offset + (tic->id * 32));
220 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
221 PUSH_DATA (push, 32);
222 PUSH_DATA (push, 1);
223 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 9);
224 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
225 PUSH_DATAp(push, &tic->tic[0], 8);
226
227 BEGIN_NIC0(push, NVE4_CP(TIC_FLUSH), 1);
228 PUSH_DATA (push, (tic->id << 4) | 1);
229 } else
230 if (res->status & NOUVEAU_BUFFER_STATUS_GPU_WRITING) {
231 BEGIN_NIC0(push, NVE4_CP(TEX_CACHE_CTL), 1);
232 PUSH_DATA (push, (tic->id << 4) | 1);
233 }
234 nvc0->screen->tic.lock[tic->id / 32] |= 1 << (tic->id % 32);
235
236 res->status &= ~NOUVEAU_BUFFER_STATUS_GPU_WRITING;
237 res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
238
239 BCTX_REFN(nvc0->bufctx_cp, CP_SUF, res, RD);
240
241 address = screen->uniform_bo->offset + NVC0_CB_AUX_INFO(s);
242
243 /* upload the texture handle */
244 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
245 PUSH_DATAh(push, address + NVC0_CB_AUX_TEX_INFO(slot + 32));
246 PUSH_DATA (push, address + NVC0_CB_AUX_TEX_INFO(slot + 32));
247 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
248 PUSH_DATA (push, 4);
249 PUSH_DATA (push, 0x1);
250 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 2);
251 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
252 PUSH_DATA (push, tic->id);
253
254 BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
255 PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
256 }
257
258 static void
259 nve4_compute_validate_surfaces(struct nvc0_context *nvc0)
260 {
261 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
262 uint64_t address;
263 const int s = 5;
264 int i, j;
265
266 if (!nvc0->images_dirty[s])
267 return;
268
269 address = nvc0->screen->uniform_bo->offset + NVC0_CB_AUX_INFO(s);
270
271 for (i = 0; i < NVC0_MAX_IMAGES; ++i) {
272 struct pipe_image_view *view = &nvc0->images[s][i];
273
274 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
275 PUSH_DATAh(push, address + NVC0_CB_AUX_SU_INFO(i));
276 PUSH_DATA (push, address + NVC0_CB_AUX_SU_INFO(i));
277 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
278 PUSH_DATA (push, 16 * 4);
279 PUSH_DATA (push, 0x1);
280 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 16);
281 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
282
283 if (view->resource) {
284 struct nv04_resource *res = nv04_resource(view->resource);
285
286 if (res->base.target == PIPE_BUFFER) {
287 if (view->access & PIPE_IMAGE_ACCESS_WRITE)
288 nvc0_mark_image_range_valid(view);
289 }
290
291 nve4_set_surface_info(push, view, nvc0);
292 BCTX_REFN(nvc0->bufctx_cp, CP_SUF, res, RDWR);
293
294 if (nvc0->screen->base.class_3d >= GM107_3D_CLASS)
295 gm107_compute_validate_surfaces(nvc0, view, i);
296 } else {
297 for (j = 0; j < 16; j++)
298 PUSH_DATA(push, 0);
299 }
300 }
301 }
302
303 /* Thankfully, textures with samplers follow the normal rules. */
304 static void
305 nve4_compute_validate_samplers(struct nvc0_context *nvc0)
306 {
307 bool need_flush = nve4_validate_tsc(nvc0, 5);
308 if (need_flush) {
309 BEGIN_NVC0(nvc0->base.pushbuf, NVE4_CP(TSC_FLUSH), 1);
310 PUSH_DATA (nvc0->base.pushbuf, 0);
311 }
312
313 /* Invalidate all 3D samplers because they are aliased. */
314 for (int s = 0; s < 5; s++)
315 nvc0->samplers_dirty[s] = ~0;
316 nvc0->dirty_3d |= NVC0_NEW_3D_SAMPLERS;
317 }
318
319 /* (Code duplicated at bottom for various non-convincing reasons.
320 * E.g. we might want to use the COMPUTE subchannel to upload TIC/TSC
321 * entries to avoid a subchannel switch.
322 * Same for texture cache flushes.
323 * Also, the bufctx differs, and more IFs in the 3D version looks ugly.)
324 */
325 static void nve4_compute_validate_textures(struct nvc0_context *);
326
327 static void
328 nve4_compute_set_tex_handles(struct nvc0_context *nvc0)
329 {
330 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
331 struct nvc0_screen *screen = nvc0->screen;
332 uint64_t address;
333 const unsigned s = nvc0_shader_stage(PIPE_SHADER_COMPUTE);
334 unsigned i, n;
335 uint32_t dirty = nvc0->textures_dirty[s] | nvc0->samplers_dirty[s];
336
337 if (!dirty)
338 return;
339 i = ffs(dirty) - 1;
340 n = util_logbase2(dirty) + 1 - i;
341 assert(n);
342
343 address = screen->uniform_bo->offset + NVC0_CB_AUX_INFO(s);
344
345 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
346 PUSH_DATAh(push, address + NVC0_CB_AUX_TEX_INFO(i));
347 PUSH_DATA (push, address + NVC0_CB_AUX_TEX_INFO(i));
348 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
349 PUSH_DATA (push, n * 4);
350 PUSH_DATA (push, 0x1);
351 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + n);
352 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
353 PUSH_DATAp(push, &nvc0->tex_handles[s][i], n);
354
355 BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
356 PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
357
358 nvc0->textures_dirty[s] = 0;
359 nvc0->samplers_dirty[s] = 0;
360 }
361
362 static void
363 nve4_compute_validate_constbufs(struct nvc0_context *nvc0)
364 {
365 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
366 const int s = 5;
367
368 while (nvc0->constbuf_dirty[s]) {
369 int i = ffs(nvc0->constbuf_dirty[s]) - 1;
370 nvc0->constbuf_dirty[s] &= ~(1 << i);
371
372 if (nvc0->constbuf[s][i].user) {
373 struct nouveau_bo *bo = nvc0->screen->uniform_bo;
374 const unsigned base = NVC0_CB_USR_INFO(s);
375 const unsigned size = nvc0->constbuf[s][0].size;
376 assert(i == 0); /* we really only want OpenGL uniforms here */
377 assert(nvc0->constbuf[s][0].u.data);
378
379 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
380 PUSH_DATAh(push, bo->offset + base);
381 PUSH_DATA (push, bo->offset + base);
382 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
383 PUSH_DATA (push, size);
384 PUSH_DATA (push, 0x1);
385 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + (size / 4));
386 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
387 PUSH_DATAp(push, nvc0->constbuf[s][0].u.data, size / 4);
388 }
389 else {
390 struct nv04_resource *res =
391 nv04_resource(nvc0->constbuf[s][i].u.buf);
392 if (res) {
393 uint64_t address
394 = nvc0->screen->uniform_bo->offset + NVC0_CB_AUX_INFO(s);
395
396 assert(i > 0); /* we really only want uniform buffer objects */
397
398 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
399 PUSH_DATAh(push, address + NVC0_CB_AUX_UBO_INFO(i - 1));
400 PUSH_DATA (push, address + NVC0_CB_AUX_UBO_INFO(i - 1));
401 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
402 PUSH_DATA (push, 4 * 4);
403 PUSH_DATA (push, 0x1);
404 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 4);
405 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
406
407 PUSH_DATA (push, res->address + nvc0->constbuf[s][i].offset);
408 PUSH_DATAh(push, res->address + nvc0->constbuf[s][i].offset);
409 PUSH_DATA (push, nvc0->constbuf[5][i].size);
410 PUSH_DATA (push, 0);
411 BCTX_REFN(nvc0->bufctx_cp, CP_CB(i), res, RD);
412
413 res->cb_bindings[s] |= 1 << i;
414 }
415 }
416 }
417
418 BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
419 PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
420 }
421
422 static void
423 nve4_compute_validate_buffers(struct nvc0_context *nvc0)
424 {
425 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
426 uint64_t address;
427 const int s = 5;
428 int i;
429
430 address = nvc0->screen->uniform_bo->offset + NVC0_CB_AUX_INFO(s);
431
432 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
433 PUSH_DATAh(push, address + NVC0_CB_AUX_BUF_INFO(0));
434 PUSH_DATA (push, address + NVC0_CB_AUX_BUF_INFO(0));
435 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
436 PUSH_DATA (push, 4 * NVC0_MAX_BUFFERS * 4);
437 PUSH_DATA (push, 0x1);
438 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 4 * NVC0_MAX_BUFFERS);
439 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
440
441 for (i = 0; i < NVC0_MAX_BUFFERS; i++) {
442 if (nvc0->buffers[s][i].buffer) {
443 struct nv04_resource *res =
444 nv04_resource(nvc0->buffers[s][i].buffer);
445 PUSH_DATA (push, res->address + nvc0->buffers[s][i].buffer_offset);
446 PUSH_DATAh(push, res->address + nvc0->buffers[s][i].buffer_offset);
447 PUSH_DATA (push, nvc0->buffers[s][i].buffer_size);
448 PUSH_DATA (push, 0);
449 BCTX_REFN(nvc0->bufctx_cp, CP_BUF, res, RDWR);
450 util_range_add(&res->valid_buffer_range,
451 nvc0->buffers[s][i].buffer_offset,
452 nvc0->buffers[s][i].buffer_offset +
453 nvc0->buffers[s][i].buffer_size);
454 } else {
455 PUSH_DATA (push, 0);
456 PUSH_DATA (push, 0);
457 PUSH_DATA (push, 0);
458 PUSH_DATA (push, 0);
459 }
460 }
461 }
462
463 static struct nvc0_state_validate
464 validate_list_cp[] = {
465 { nvc0_compprog_validate, NVC0_NEW_CP_PROGRAM },
466 { nve4_compute_validate_textures, NVC0_NEW_CP_TEXTURES },
467 { nve4_compute_validate_samplers, NVC0_NEW_CP_SAMPLERS },
468 { nve4_compute_set_tex_handles, NVC0_NEW_CP_TEXTURES |
469 NVC0_NEW_CP_SAMPLERS },
470 { nve4_compute_validate_surfaces, NVC0_NEW_CP_SURFACES },
471 { nvc0_compute_validate_globals, NVC0_NEW_CP_GLOBALS },
472 { nve4_compute_validate_buffers, NVC0_NEW_CP_BUFFERS },
473 { nve4_compute_validate_constbufs, NVC0_NEW_CP_CONSTBUF },
474 };
475
476 static bool
477 nve4_state_validate_cp(struct nvc0_context *nvc0, uint32_t mask)
478 {
479 bool ret;
480
481 ret = nvc0_state_validate(nvc0, mask, validate_list_cp,
482 ARRAY_SIZE(validate_list_cp), &nvc0->dirty_cp,
483 nvc0->bufctx_cp);
484
485 if (unlikely(nvc0->state.flushed))
486 nvc0_bufctx_fence(nvc0, nvc0->bufctx_cp, true);
487 return ret;
488 }
489
490 static void
491 nve4_compute_upload_input(struct nvc0_context *nvc0,
492 const struct pipe_grid_info *info)
493 {
494 struct nvc0_screen *screen = nvc0->screen;
495 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
496 struct nvc0_program *cp = nvc0->compprog;
497 uint64_t address;
498
499 address = screen->uniform_bo->offset + NVC0_CB_AUX_INFO(5);
500
501 if (cp->parm_size) {
502 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
503 PUSH_DATAh(push, screen->uniform_bo->offset + NVC0_CB_USR_INFO(5));
504 PUSH_DATA (push, screen->uniform_bo->offset + NVC0_CB_USR_INFO(5));
505 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
506 PUSH_DATA (push, cp->parm_size);
507 PUSH_DATA (push, 0x1);
508 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + (cp->parm_size / 4));
509 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
510 PUSH_DATAp(push, info->input, cp->parm_size / 4);
511 }
512 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
513 PUSH_DATAh(push, address + NVC0_CB_AUX_GRID_INFO(0));
514 PUSH_DATA (push, address + NVC0_CB_AUX_GRID_INFO(0));
515 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
516 PUSH_DATA (push, 8 * 4);
517 PUSH_DATA (push, 0x1);
518
519 if (unlikely(info->indirect)) {
520 struct nv04_resource *res = nv04_resource(info->indirect);
521 uint32_t offset = res->offset + info->indirect_offset;
522
523 nouveau_pushbuf_space(push, 32, 0, 1);
524 PUSH_REFN(push, res->bo, NOUVEAU_BO_RD | res->domain);
525
526 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 8);
527 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
528 PUSH_DATAp(push, info->block, 3);
529 nouveau_pushbuf_data(push, res->bo, offset,
530 NVC0_IB_ENTRY_1_NO_PREFETCH | 3 * 4);
531 } else {
532 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + 8);
533 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
534 PUSH_DATAp(push, info->block, 3);
535 PUSH_DATAp(push, info->grid, 3);
536 }
537 PUSH_DATA (push, 0);
538 PUSH_DATA (push, info->work_dim);
539
540 BEGIN_NVC0(push, NVE4_CP(FLUSH), 1);
541 PUSH_DATA (push, NVE4_COMPUTE_FLUSH_CB);
542 }
543
544 static inline uint8_t
545 nve4_compute_derive_cache_split(struct nvc0_context *nvc0, uint32_t shared_size)
546 {
547 if (shared_size > (32 << 10))
548 return NVC0_3D_CACHE_SPLIT_48K_SHARED_16K_L1;
549 if (shared_size > (16 << 10))
550 return NVE4_3D_CACHE_SPLIT_32K_SHARED_32K_L1;
551 return NVC1_3D_CACHE_SPLIT_16K_SHARED_48K_L1;
552 }
553
554 static void
555 nve4_compute_setup_launch_desc(struct nvc0_context *nvc0,
556 struct nve4_cp_launch_desc *desc,
557 const struct pipe_grid_info *info)
558 {
559 const struct nvc0_screen *screen = nvc0->screen;
560 const struct nvc0_program *cp = nvc0->compprog;
561
562 nve4_cp_launch_desc_init_default(desc);
563
564 desc->entry = nvc0_program_symbol_offset(cp, info->pc);
565
566 desc->griddim_x = info->grid[0];
567 desc->griddim_y = info->grid[1];
568 desc->griddim_z = info->grid[2];
569 desc->blockdim_x = info->block[0];
570 desc->blockdim_y = info->block[1];
571 desc->blockdim_z = info->block[2];
572
573 desc->shared_size = align(cp->cp.smem_size, 0x100);
574 desc->local_size_p = (cp->hdr[1] & 0xfffff0) + align(cp->cp.lmem_size, 0x10);
575 desc->local_size_n = 0;
576 desc->cstack_size = 0x800;
577 desc->cache_split = nve4_compute_derive_cache_split(nvc0, cp->cp.smem_size);
578
579 desc->gpr_alloc = cp->num_gprs;
580 desc->bar_alloc = cp->num_barriers;
581
582 // Only bind user uniforms and the driver constant buffer through the
583 // launch descriptor because UBOs are sticked to the driver cb to avoid the
584 // limitation of 8 CBs.
585 if (nvc0->constbuf[5][0].user || cp->parm_size) {
586 nve4_cp_launch_desc_set_cb(desc, 0, screen->uniform_bo,
587 NVC0_CB_USR_INFO(5), 1 << 16);
588 }
589 nve4_cp_launch_desc_set_cb(desc, 7, screen->uniform_bo,
590 NVC0_CB_AUX_INFO(5), 1 << 11);
591 }
592
593 static void
594 gp100_compute_setup_launch_desc(struct nvc0_context *nvc0,
595 struct gp100_cp_launch_desc *desc,
596 const struct pipe_grid_info *info)
597 {
598 const struct nvc0_screen *screen = nvc0->screen;
599 const struct nvc0_program *cp = nvc0->compprog;
600
601 gp100_cp_launch_desc_init_default(desc);
602
603 desc->entry = nvc0_program_symbol_offset(cp, info->pc);
604
605 desc->griddim_x = info->grid[0];
606 desc->griddim_y = info->grid[1];
607 desc->griddim_z = info->grid[2];
608 desc->blockdim_x = info->block[0];
609 desc->blockdim_y = info->block[1];
610 desc->blockdim_z = info->block[2];
611
612 desc->shared_size = align(cp->cp.smem_size, 0x100);
613 desc->local_size_p = (cp->hdr[1] & 0xfffff0) + align(cp->cp.lmem_size, 0x10);
614 desc->local_size_n = 0;
615 desc->cstack_size = 0x800;
616
617 desc->gpr_alloc = cp->num_gprs;
618 desc->bar_alloc = cp->num_barriers;
619
620 // Only bind user uniforms and the driver constant buffer through the
621 // launch descriptor because UBOs are sticked to the driver cb to avoid the
622 // limitation of 8 CBs.
623 if (nvc0->constbuf[5][0].user || cp->parm_size) {
624 gp100_cp_launch_desc_set_cb(desc, 0, screen->uniform_bo,
625 NVC0_CB_USR_INFO(5), 1 << 16);
626 }
627 gp100_cp_launch_desc_set_cb(desc, 7, screen->uniform_bo,
628 NVC0_CB_AUX_INFO(5), 1 << 11);
629 }
630
631 static inline void *
632 nve4_compute_alloc_launch_desc(struct nouveau_context *nv,
633 struct nouveau_bo **pbo, uint64_t *pgpuaddr)
634 {
635 uint8_t *ptr = nouveau_scratch_get(nv, 512, pgpuaddr, pbo);
636 if (!ptr)
637 return NULL;
638 if (*pgpuaddr & 255) {
639 unsigned adj = 256 - (*pgpuaddr & 255);
640 ptr += adj;
641 *pgpuaddr += adj;
642 }
643 return ptr;
644 }
645
646 static void
647 nve4_upload_indirect_desc(struct nouveau_pushbuf *push,
648 struct nv04_resource *res, uint64_t gpuaddr,
649 uint32_t length, uint32_t bo_offset)
650 {
651 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
652 PUSH_DATAh(push, gpuaddr);
653 PUSH_DATA (push, gpuaddr);
654 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
655 PUSH_DATA (push, length);
656 PUSH_DATA (push, 1);
657
658 nouveau_pushbuf_space(push, 32, 0, 1);
659 PUSH_REFN(push, res->bo, NOUVEAU_BO_RD | res->domain);
660
661 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + (length / 4));
662 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x08 << 1));
663 nouveau_pushbuf_data(push, res->bo, bo_offset,
664 NVC0_IB_ENTRY_1_NO_PREFETCH | length);
665 }
666
667 void
668 nve4_launch_grid(struct pipe_context *pipe, const struct pipe_grid_info *info)
669 {
670 struct nvc0_context *nvc0 = nvc0_context(pipe);
671 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
672 void *desc;
673 uint64_t desc_gpuaddr;
674 struct nouveau_bo *desc_bo;
675 int ret;
676
677 desc = nve4_compute_alloc_launch_desc(&nvc0->base, &desc_bo, &desc_gpuaddr);
678 if (!desc) {
679 ret = -1;
680 goto out;
681 }
682 BCTX_REFN_bo(nvc0->bufctx_cp, CP_DESC, NOUVEAU_BO_GART | NOUVEAU_BO_RD,
683 desc_bo);
684
685 list_for_each_entry(struct nvc0_resident, resident, &nvc0->tex_head, list) {
686 nvc0_add_resident(nvc0->bufctx_cp, NVC0_BIND_CP_BINDLESS, resident->buf,
687 resident->flags);
688 }
689
690 list_for_each_entry(struct nvc0_resident, resident, &nvc0->img_head, list) {
691 nvc0_add_resident(nvc0->bufctx_cp, NVC0_BIND_CP_BINDLESS, resident->buf,
692 resident->flags);
693 }
694
695 ret = !nve4_state_validate_cp(nvc0, ~0);
696 if (ret)
697 goto out;
698
699 if (nvc0->screen->compute->oclass >= GP100_COMPUTE_CLASS)
700 gp100_compute_setup_launch_desc(nvc0, desc, info);
701 else
702 nve4_compute_setup_launch_desc(nvc0, desc, info);
703
704 nve4_compute_upload_input(nvc0, info);
705
706 #ifdef DEBUG
707 if (debug_get_num_option("NV50_PROG_DEBUG", 0)) {
708 if (nvc0->screen->compute->oclass >= GP100_COMPUTE_CLASS)
709 gp100_compute_dump_launch_desc(desc);
710 else
711 nve4_compute_dump_launch_desc(desc);
712 }
713 #endif
714
715 if (unlikely(info->indirect)) {
716 struct nv04_resource *res = nv04_resource(info->indirect);
717 uint32_t offset = res->offset + info->indirect_offset;
718
719 /* upload the descriptor */
720 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
721 PUSH_DATAh(push, desc_gpuaddr);
722 PUSH_DATA (push, desc_gpuaddr);
723 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
724 PUSH_DATA (push, 256);
725 PUSH_DATA (push, 1);
726 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 1 + (256 / 4));
727 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x08 << 1));
728 PUSH_DATAp(push, (const uint32_t *)desc, 256 / 4);
729
730 if (nvc0->screen->compute->oclass >= GP100_COMPUTE_CLASS) {
731 nve4_upload_indirect_desc(push, res, desc_gpuaddr + 48, 12, offset);
732 } else {
733 /* overwrite griddim_x and griddim_y as two 32-bits integers even
734 * if griddim_y must be a 16-bits integer */
735 nve4_upload_indirect_desc(push, res, desc_gpuaddr + 48, 8, offset);
736
737 /* overwrite the 16 high bits of griddim_y with griddim_z because
738 * we need (z << 16) | x */
739 nve4_upload_indirect_desc(push, res, desc_gpuaddr + 54, 4, offset + 8);
740 }
741 }
742
743 /* upload descriptor and flush */
744 BEGIN_NVC0(push, NVE4_CP(LAUNCH_DESC_ADDRESS), 1);
745 PUSH_DATA (push, desc_gpuaddr >> 8);
746 BEGIN_NVC0(push, NVE4_CP(LAUNCH), 1);
747 PUSH_DATA (push, 0x3);
748 BEGIN_NVC0(push, SUBC_CP(NV50_GRAPH_SERIALIZE), 1);
749 PUSH_DATA (push, 0);
750
751 out:
752 if (ret)
753 NOUVEAU_ERR("Failed to launch grid !\n");
754 nouveau_scratch_done(&nvc0->base);
755 nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_DESC);
756 nouveau_bufctx_reset(nvc0->bufctx_cp, NVC0_BIND_CP_BINDLESS);
757 }
758
759
760 #define NVE4_TIC_ENTRY_INVALID 0x000fffff
761
762 static void
763 nve4_compute_validate_textures(struct nvc0_context *nvc0)
764 {
765 struct nouveau_bo *txc = nvc0->screen->txc;
766 struct nouveau_pushbuf *push = nvc0->base.pushbuf;
767 const unsigned s = 5;
768 unsigned i;
769 uint32_t commands[2][32];
770 unsigned n[2] = { 0, 0 };
771
772 for (i = 0; i < nvc0->num_textures[s]; ++i) {
773 struct nv50_tic_entry *tic = nv50_tic_entry(nvc0->textures[s][i]);
774 struct nv04_resource *res;
775 const bool dirty = !!(nvc0->textures_dirty[s] & (1 << i));
776
777 if (!tic) {
778 nvc0->tex_handles[s][i] |= NVE4_TIC_ENTRY_INVALID;
779 continue;
780 }
781 res = nv04_resource(tic->pipe.texture);
782 nvc0_update_tic(nvc0, tic, res);
783
784 if (tic->id < 0) {
785 tic->id = nvc0_screen_tic_alloc(nvc0->screen, tic);
786
787 PUSH_SPACE(push, 16);
788 BEGIN_NVC0(push, NVE4_CP(UPLOAD_DST_ADDRESS_HIGH), 2);
789 PUSH_DATAh(push, txc->offset + (tic->id * 32));
790 PUSH_DATA (push, txc->offset + (tic->id * 32));
791 BEGIN_NVC0(push, NVE4_CP(UPLOAD_LINE_LENGTH_IN), 2);
792 PUSH_DATA (push, 32);
793 PUSH_DATA (push, 1);
794 BEGIN_1IC0(push, NVE4_CP(UPLOAD_EXEC), 9);
795 PUSH_DATA (push, NVE4_COMPUTE_UPLOAD_EXEC_LINEAR | (0x20 << 1));
796 PUSH_DATAp(push, &tic->tic[0], 8);
797
798 commands[0][n[0]++] = (tic->id << 4) | 1;
799 } else
800 if (res->status & NOUVEAU_BUFFER_STATUS_GPU_WRITING) {
801 commands[1][n[1]++] = (tic->id << 4) | 1;
802 }
803 nvc0->screen->tic.lock[tic->id / 32] |= 1 << (tic->id % 32);
804
805 res->status &= ~NOUVEAU_BUFFER_STATUS_GPU_WRITING;
806 res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
807
808 nvc0->tex_handles[s][i] &= ~NVE4_TIC_ENTRY_INVALID;
809 nvc0->tex_handles[s][i] |= tic->id;
810 if (dirty)
811 BCTX_REFN(nvc0->bufctx_cp, CP_TEX(i), res, RD);
812 }
813 for (; i < nvc0->state.num_textures[s]; ++i) {
814 nvc0->tex_handles[s][i] |= NVE4_TIC_ENTRY_INVALID;
815 nvc0->textures_dirty[s] |= 1 << i;
816 }
817
818 if (n[0]) {
819 BEGIN_NIC0(push, NVE4_CP(TIC_FLUSH), n[0]);
820 PUSH_DATAp(push, commands[0], n[0]);
821 }
822 if (n[1]) {
823 BEGIN_NIC0(push, NVE4_CP(TEX_CACHE_CTL), n[1]);
824 PUSH_DATAp(push, commands[1], n[1]);
825 }
826
827 nvc0->state.num_textures[s] = nvc0->num_textures[s];
828
829 /* Invalidate all 3D textures because they are aliased. */
830 for (int s = 0; s < 5; s++) {
831 for (int i = 0; i < nvc0->num_textures[s]; i++)
832 nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_TEX(s, i));
833 nvc0->textures_dirty[s] = ~0;
834 }
835 nvc0->dirty_3d |= NVC0_NEW_3D_TEXTURES;
836 }
837
838
839 #ifdef DEBUG
840 static const char *nve4_cache_split_name(unsigned value)
841 {
842 switch (value) {
843 case NVC1_3D_CACHE_SPLIT_16K_SHARED_48K_L1: return "16K_SHARED_48K_L1";
844 case NVE4_3D_CACHE_SPLIT_32K_SHARED_32K_L1: return "32K_SHARED_32K_L1";
845 case NVC0_3D_CACHE_SPLIT_48K_SHARED_16K_L1: return "48K_SHARED_16K_L1";
846 default:
847 return "(invalid)";
848 }
849 }
850
851 static void
852 nve4_compute_dump_launch_desc(const struct nve4_cp_launch_desc *desc)
853 {
854 const uint32_t *data = (const uint32_t *)desc;
855 unsigned i;
856 bool zero = false;
857
858 debug_printf("COMPUTE LAUNCH DESCRIPTOR:\n");
859
860 for (i = 0; i < sizeof(*desc); i += 4) {
861 if (data[i / 4]) {
862 debug_printf("[%x]: 0x%08x\n", i, data[i / 4]);
863 zero = false;
864 } else
865 if (!zero) {
866 debug_printf("...\n");
867 zero = true;
868 }
869 }
870
871 debug_printf("entry = 0x%x\n", desc->entry);
872 debug_printf("grid dimensions = %ux%ux%u\n",
873 desc->griddim_x, desc->griddim_y, desc->griddim_z);
874 debug_printf("block dimensions = %ux%ux%u\n",
875 desc->blockdim_x, desc->blockdim_y, desc->blockdim_z);
876 debug_printf("s[] size: 0x%x\n", desc->shared_size);
877 debug_printf("l[] size: -0x%x / +0x%x\n",
878 desc->local_size_n, desc->local_size_p);
879 debug_printf("stack size: 0x%x\n", desc->cstack_size);
880 debug_printf("barrier count: %u\n", desc->bar_alloc);
881 debug_printf("$r count: %u\n", desc->gpr_alloc);
882 debug_printf("cache split: %s\n", nve4_cache_split_name(desc->cache_split));
883 debug_printf("linked tsc: %d\n", desc->linked_tsc);
884
885 for (i = 0; i < 8; ++i) {
886 uint64_t address;
887 uint32_t size = desc->cb[i].size;
888 bool valid = !!(desc->cb_mask & (1 << i));
889
890 address = ((uint64_t)desc->cb[i].address_h << 32) | desc->cb[i].address_l;
891
892 if (!valid && !address && !size)
893 continue;
894 debug_printf("CB[%u]: address = 0x%"PRIx64", size 0x%x%s\n",
895 i, address, size, valid ? "" : " (invalid)");
896 }
897 }
898
899 static void
900 gp100_compute_dump_launch_desc(const struct gp100_cp_launch_desc *desc)
901 {
902 const uint32_t *data = (const uint32_t *)desc;
903 unsigned i;
904 bool zero = false;
905
906 debug_printf("COMPUTE LAUNCH DESCRIPTOR:\n");
907
908 for (i = 0; i < sizeof(*desc); i += 4) {
909 if (data[i / 4]) {
910 debug_printf("[%x]: 0x%08x\n", i, data[i / 4]);
911 zero = false;
912 } else
913 if (!zero) {
914 debug_printf("...\n");
915 zero = true;
916 }
917 }
918
919 debug_printf("entry = 0x%x\n", desc->entry);
920 debug_printf("grid dimensions = %ux%ux%u\n",
921 desc->griddim_x, desc->griddim_y, desc->griddim_z);
922 debug_printf("block dimensions = %ux%ux%u\n",
923 desc->blockdim_x, desc->blockdim_y, desc->blockdim_z);
924 debug_printf("s[] size: 0x%x\n", desc->shared_size);
925 debug_printf("l[] size: -0x%x / +0x%x\n",
926 desc->local_size_n, desc->local_size_p);
927 debug_printf("stack size: 0x%x\n", desc->cstack_size);
928 debug_printf("barrier count: %u\n", desc->bar_alloc);
929 debug_printf("$r count: %u\n", desc->gpr_alloc);
930 debug_printf("linked tsc: %d\n", desc->linked_tsc);
931
932 for (i = 0; i < 8; ++i) {
933 uint64_t address;
934 uint32_t size = desc->cb[i].size_sh4 << 4;
935 bool valid = !!(desc->cb_mask & (1 << i));
936
937 address = ((uint64_t)desc->cb[i].address_h << 32) | desc->cb[i].address_l;
938
939 if (!valid && !address && !size)
940 continue;
941 debug_printf("CB[%u]: address = 0x%"PRIx64", size 0x%x%s\n",
942 i, address, size, valid ? "" : " (invalid)");
943 }
944 }
945 #endif
946
947 #ifdef NOUVEAU_NVE4_MP_TRAP_HANDLER
948 static void
949 nve4_compute_trap_info(struct nvc0_context *nvc0)
950 {
951 struct nvc0_screen *screen = nvc0->screen;
952 struct nouveau_bo *bo = screen->parm;
953 int ret, i;
954 volatile struct nve4_mp_trap_info *info;
955 uint8_t *map;
956
957 ret = nouveau_bo_map(bo, NOUVEAU_BO_RDWR, nvc0->base.client);
958 if (ret)
959 return;
960 map = (uint8_t *)bo->map;
961 info = (volatile struct nve4_mp_trap_info *)(map + NVE4_CP_PARAM_TRAP_INFO);
962
963 if (info->lock) {
964 debug_printf("trapstat = %08x\n", info->trapstat);
965 debug_printf("warperr = %08x\n", info->warperr);
966 debug_printf("PC = %x\n", info->pc);
967 debug_printf("tid = %u %u %u\n",
968 info->tid[0], info->tid[1], info->tid[2]);
969 debug_printf("ctaid = %u %u %u\n",
970 info->ctaid[0], info->ctaid[1], info->ctaid[2]);
971 for (i = 0; i <= 63; ++i)
972 debug_printf("$r%i = %08x\n", i, info->r[i]);
973 for (i = 0; i <= 6; ++i)
974 debug_printf("$p%i = %i\n", i, (info->flags >> i) & 1);
975 debug_printf("$c = %x\n", info->flags >> 12);
976 }
977 info->lock = 0;
978 }
979 #endif