85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/* V2MemTest - A CLI Tool to test & fix Voodoo² TMU System
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* Copyright (C) 2026 ChaCha
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#define _BSD_SOURCE 1
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "cvg.h"
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#include <glide.h>
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#include "sst1init.h"
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#include "fxpci.h"
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#include "Draw.h"
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#include "Test_Common.h"
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#define _DEF_PREHEAT_TIME_S 5
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#define _DEF_PREHEAT_NB_PIXEL_ROW 256
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#define _DEF_PREHEAT_NB_PIXEL_COL 256
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void
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HeatMemAndTMU( sst1DeviceInfoStruct * const devInfo,
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FxU32 * const sst,
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SstRegs * const sstregs,
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const char ucNumTMU,
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const FxU32 mem)
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{
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/* set downstream TMUs to passthrough */
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for (int i=0; i<ucNumTMU; i++)
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ISET(SST_TREX(sstregs,i)->textureMode, SST_TC_PASS | SST_TCA_PASS);
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/* Setting texture base address window
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*/
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ISET(SST_TREX(sstregs,ucNumTMU)->texBaseAddr, (mem>>3));
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/* Setting texture base address (to access it from CPU).
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* We wont draw anything bigger than the texture so we can just use LOD0
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* regardless of the actual size of the texture. And here its the maximum
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* size (=LOD0) anyway.
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*/
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volatile FxU32 *texRowAddr
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= (ucNumTMU<<(21-2))
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+ (((FxU32)0)<<(17-2)) /*LOD0*/
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+ (FxU32 *)SST_TEX_ADDRESS(sst);
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for(unsigned short iter_row = 0; iter_row < _DEF_PREHEAT_NB_PIXEL_ROW; iter_row++)
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{
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for(unsigned short iter_col = 0; iter_col < _DEF_PREHEAT_NB_PIXEL_COL; iter_col+=2)
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{
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ISET(texRowAddr[iter_col/2], 0x55AA);
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}
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/* move to next line */
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texRowAddr += (1<<(9-2));
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}
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clock_t begin = clock();
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do
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{
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if(((sst1InitReturnStatus(sst) & SST_FIFOLEVEL)) >= 0x20)
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{
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/* draw a 256x256 square */
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drawSquare(sstregs, ucNumTMU, 0, 0, 256);
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}
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}
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while(((double)(clock() - begin)/CLOCKS_PER_SEC) < _DEF_PREHEAT_TIME_S );
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sst1InitIdle(sst);
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}
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