grumain.c (7f2251b1bcdd3d2971b2fde3008b270ea11b8780) grumain.c (67bf04a5c2574e9495f660f418f6df776821d578)
1/*
2 * SN Platform GRU Driver
3 *
4 * DRIVER TABLE MANAGER + GRU CONTEXT LOAD/UNLOAD
5 *
6 * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
7 *
8 * This program is free software; you can redistribute it and/or modify

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

494 save += gru_copy_handle(cb, save);
495 save += gru_copy_handle(cbe + i * GRU_HANDLE_STRIDE,
496 save);
497 } else {
498 memset(cb, 0, GRU_CACHE_LINE_BYTES);
499 memset(cbe + i * GRU_HANDLE_STRIDE, 0,
500 GRU_CACHE_LINE_BYTES);
501 }
1/*
2 * SN Platform GRU Driver
3 *
4 * DRIVER TABLE MANAGER + GRU CONTEXT LOAD/UNLOAD
5 *
6 * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
7 *
8 * This program is free software; you can redistribute it and/or modify

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

494 save += gru_copy_handle(cb, save);
495 save += gru_copy_handle(cbe + i * GRU_HANDLE_STRIDE,
496 save);
497 } else {
498 memset(cb, 0, GRU_CACHE_LINE_BYTES);
499 memset(cbe + i * GRU_HANDLE_STRIDE, 0,
500 GRU_CACHE_LINE_BYTES);
501 }
502 /* Flush CBE to hide race in context restart */
503 mb();
504 gru_flush_cache(cbe + i * GRU_HANDLE_STRIDE);
502 cb += GRU_HANDLE_STRIDE;
503 }
504
505 if (data_valid)
506 memcpy(gseg + GRU_DS_BASE, save, length);
507 else
508 memset(gseg + GRU_DS_BASE, 0, length);
509}

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514 void *gseg, *cb, *cbe;
515 unsigned long length;
516 int i, scr;
517
518 gseg = grubase + ctxnum * GRU_GSEG_STRIDE;
519 cb = gseg + GRU_CB_BASE;
520 cbe = grubase + GRU_CBE_BASE;
521 length = hweight64(dsrmap) * GRU_DSR_AU_BYTES;
505 cb += GRU_HANDLE_STRIDE;
506 }
507
508 if (data_valid)
509 memcpy(gseg + GRU_DS_BASE, save, length);
510 else
511 memset(gseg + GRU_DS_BASE, 0, length);
512}

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517 void *gseg, *cb, *cbe;
518 unsigned long length;
519 int i, scr;
520
521 gseg = grubase + ctxnum * GRU_GSEG_STRIDE;
522 cb = gseg + GRU_CB_BASE;
523 cbe = grubase + GRU_CBE_BASE;
524 length = hweight64(dsrmap) * GRU_DSR_AU_BYTES;
525
526 /* CBEs may not be coherent. Flush them from cache */
527 for_each_cbr_in_allocation_map(i, &cbrmap, scr)
528 gru_flush_cache(cbe + i * GRU_HANDLE_STRIDE);
529 mb(); /* Let the CL flush complete */
530
522 gru_prefetch_context(gseg, cb, cbe, cbrmap, length);
523
524 for_each_cbr_in_allocation_map(i, &cbrmap, scr) {
525 save += gru_copy_handle(save, cb);
526 save += gru_copy_handle(save, cbe + i * GRU_HANDLE_STRIDE);
527 cb += GRU_HANDLE_STRIDE;
528 }
529 memcpy(save, gseg + GRU_DS_BASE, length);

--- 405 unchanged lines hidden --- 		531 gru_prefetch_context(gseg, cb, cbe, cbrmap, length);
532
533 for_each_cbr_in_allocation_map(i, &cbrmap, scr) {
534 save += gru_copy_handle(save, cb);
535 save += gru_copy_handle(save, cbe + i * GRU_HANDLE_STRIDE);
536 cb += GRU_HANDLE_STRIDE;
537 }
538 memcpy(save, gseg + GRU_DS_BASE, length);

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