| Line 16... |
Line 16... |
You should have received a copy of the GNU General Public License
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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, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <stdio.h>
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#include <stdio.h>
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#include "config.h"
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#ifdef HAVE_INTTYPES_H
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#include <inttypes.h>
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#endif
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#include "port.h"
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#include "arch.h"
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#include "sim-config.h"
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#include "sim-config.h"
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#include "abstract.h"
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#include "abstract.h"
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#include "fb.h"
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#include "fb.h"
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#include "sched.h"
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#include "sched.h"
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| Line 28... |
Line 37... |
static unsigned long pal[256];
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static unsigned long pal[256];
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static int fb_ctrl = 0;
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static int fb_ctrl = 0;
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static int fb_pic = 0;
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static int fb_pic = 0;
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static int fb_in_refresh = 1;
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static int fb_in_refresh = 1;
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static int fb_refresh_count = 0;
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static int fb_refresh_count = 0;
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static unsigned long fb_addr = 0;
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static oraddr_t fb_addr = 0;
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static unsigned long cam_addr = 0;
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static oraddr_t cam_addr = 0;
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static int camerax = 0, cameray = 0, camera_pos = 0;
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static int camerax = 0, cameray = 0, camera_pos = 0;
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static void change_buf_addr (unsigned long addr)
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static void change_buf_addr (oraddr_t addr)
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{
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{
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fb_addr = addr;
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fb_addr = addr;
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}
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}
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/* Write a register */
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/* Write a register */
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void fb_write32 (unsigned long addr, unsigned long value)
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void fb_write32 (oraddr_t addr, uint32_t value)
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{
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{
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int a = (addr - config.fb.baseaddr);
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int a = (addr - config.fb.baseaddr);
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switch (a) {
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switch (a) {
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case FB_CTRL: fb_ctrl = value; break;
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case FB_CTRL: fb_ctrl = value; break;
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case FB_BUFADDR: change_buf_addr (value); break;
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case FB_BUFADDR: change_buf_addr (value); break;
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| Line 53... |
Line 62... |
break;
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break;
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default:
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default:
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a -= FB_PAL;
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a -= FB_PAL;
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a /= 4;
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a /= 4;
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if (a < 0 || a >= 256) {
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if (a < 0 || a >= 256) {
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fprintf (stderr, "Write out of palette buffer (0x%08lx)!\n", addr);
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fprintf (stderr, "Write out of palette buffer (0x%"PRIxADDR")!\n", addr);
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runtime.sim.cont_run = 0;
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runtime.sim.cont_run = 0;
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} else pal[a] = value;
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} else pal[a] = value;
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break;
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break;
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}
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}
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}
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}
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/* Read a register */
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/* Read a register */
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unsigned long fb_read32 (unsigned long addr)
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oraddr_t fb_read32 (oraddr_t addr)
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{
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{
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int a = (addr - config.fb.baseaddr);
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int a = (addr - config.fb.baseaddr);
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switch (a) {
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switch (a) {
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case FB_CTRL:
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case FB_CTRL:
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return fb_ctrl & ~0xff000000| (fb_in_refresh ? 0x80000000 : 0) | ((unsigned long)(fb_refresh_count & 0x7f) << 24);
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return fb_ctrl & ~0xff000000| (fb_in_refresh ? 0x80000000 : 0) | ((unsigned long)(fb_refresh_count & 0x7f) << 24);
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Line 84... |
case FB_CAMPOSADDR: return camera_pos; break;
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case FB_CAMPOSADDR: return camera_pos; break;
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default:
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default:
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a -= FB_PAL;
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a -= FB_PAL;
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a /= 4;
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a /= 4;
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if (a < 0 || a >= 256) {
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if (a < 0 || a >= 256) {
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fprintf (stderr, "Read out of palette buffer (0x%08lx)!\n", addr);
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fprintf (stderr, "Read out of palette buffer (0x%"PRIxADDR")!\n", addr);
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runtime.sim.cont_run = 0;
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runtime.sim.cont_run = 0;
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return 0;
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return 0;
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} else return pal[a];
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} else return pal[a];
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}
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}
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}
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}
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