/* fbtest.c. Test of Or1ksim frame buffer
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/* fbtest.c. Test of Or1ksim frame buffer
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Copyright (C) 1999-2006 OpenCores
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Copyright (C) 1999-2006 OpenCores
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Copyright (C) 2010 Embecosm Limited
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Copyright (C) 2010 Embecosm Limited
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Contributors various OpenCores participants
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Contributors various OpenCores participants
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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This file is part of OpenRISC 1000 Architectural Simulator.
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify it
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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more details.
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You should have received a copy of the GNU General Public License along
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http: www.gnu.org/licenses/>. */
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with this program. If not, see <http: www.gnu.org/licenses/>. */
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/* ----------------------------------------------------------------------------
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/* ----------------------------------------------------------------------------
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This code is commented throughout for use with Doxygen.
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This code is commented throughout for use with Doxygen.
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--------------------------------------------------------------------------*/
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--------------------------------------------------------------------------*/
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/* Simple frame buffer test. Draws some horizontal with different colors. */
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/* Simple frame buffer test. Draws some horizontal with different colors. */
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#include "support.h"
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#include "support.h"
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#define BUFADDR 0x00100000
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#define BUFADDR 0x00100000
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#define BASEADDR 0x97000000
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#define BASEADDR 0x97000000
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#define BUF_PTR ((unsigned char *)BUFADDR)
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#define BUF_PTR ((unsigned char *)BUFADDR)
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#define PAL_PTR ((unsigned long *)(BASEADDR + 0x400))
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#define PAL_PTR ((unsigned long *)(BASEADDR + 0x400))
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#define SIZEX 640
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#define SIZEX 640
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#define SIZEY 480
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#define SIZEY 480
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#define putxy(x,y) *(BUF_PTR + (x) + (y) * SIZEX)
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#define putxy(x,y) *(BUF_PTR + (x) + (y) * SIZEX)
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#define setpal(i,r,g,b) *(PAL_PTR + (i)) = (((unsigned long)(r) & 0xff) << 16) | (((unsigned long)(g) & 0xff) << 8) | (((unsigned long)(b) & 0xff) << 0)
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#define setpal(i,r,g,b) *(PAL_PTR + (i)) = (((unsigned long)(r) & 0xff) << 16) | (((unsigned long)(g) & 0xff) << 8) | (((unsigned long)(b) & 0xff) << 0)
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void hline (int y, int x1, int x2, unsigned char c)
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void hline (int y, int x1, int x2, unsigned char c)
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{
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{
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int x;
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int x;
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for (x = x1; x < x2; x++)
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for (x = x1; x < x2; x++)
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putxy(x, y) = c;
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putxy(x, y) = c;
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}
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}
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int main(void)
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int main(void)
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{
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{
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unsigned i;
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unsigned i;
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/* Set address of buffer at predefined location */
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/* Set address of buffer at predefined location */
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*((unsigned long *)(BASEADDR) + 0x1) = BUFADDR;
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*((unsigned long *)(BASEADDR) + 0x1) = BUFADDR;
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for (i = 0; i < 256; i++)
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for (i = 0; i < 256; i++)
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setpal (i, 256 - i, i, 128 ^ i);
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setpal (i, 256 - i, i, 128 ^ i);
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/* Turn display on */
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/* Turn display on */
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*((unsigned long *)(BASEADDR) + 0x0) = 0xffffffff;
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*((unsigned long *)(BASEADDR) + 0x0) = 0xffffffff;
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for (i = 0; i < 16; i++) {
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for (i = 0; i < 16; i++) {
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hline (i, 0, i, i);
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hline (i, 0, i, i);
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hline (256 - i, 256 - i, 256 + i, i);
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hline (256 - i, 256 - i, 256 + i, i);
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}
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}
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report (0xdeaddead);
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report (0xdeaddead);
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return 0;
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return 0;
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}
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}
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