void load()
{
int image = 0;
tty_printf(" !!! Processor %d running !!!\n", procid());
while(image < NIMAGES)
{
while ( buf_in_empty == FALSE ) {} // synchro
tty_printf("\n *** Starting load for image %d *** at cycle %d \n", image, proctime());
if( ioc_read(image*NBLOCKS, buf_in, NBLOCKS) )
{
tty_printf("echec ioc_read \n");
exit();
}
if ( ioc_completed() )
{
tty_printf("echec ioc_completed\n");
exit();
}
buf_in_empty = FALSE;
tty_printf(" *** Completing load for image %d *** at cycle %d \n", image, proctime());
image++;
} // end while image
exit();
} // end load()
__attribute__((constructor)) void display()
{
char byte;
char buf[NB_LINES][NB_PIXELS];
int base = 0;
int image = 0;
int npixels; // number of pixels per processor
int nblocks; // number of blocks per processor
npixels = NB_PIXELS*NB_LINES;
nblocks = npixels/BLOCK_SIZE;
// main loop
while(1)
{
tty_printf("\n *** image %d au cycle : %d *** \n", image, proctime());
/* Phase 1 : lecture image sur le disque et transfert vers buf */
if (ioc_read(base + nblocks, buf , nblocks))
{
tty_printf("\n!!! echec ioc_read au cycle : %d !!!\n", proctime());
exit();
}
if ( ioc_completed() )
{
tty_printf("\n!!! echec ioc_completed au cycle : %d !!!\n", proctime());
exit();
}
tty_printf("- image chargee au cycle = %d \n",proctime());
tty_printf("test\n");
/* Phase 3 : transfert de buf vers le frame buffer */
if (fb_write(0, buf, sizeof(buf)))
{
tty_printf("\n!!! echec fb_write au cycle : %d !!!\n", proctime());
exit();
}
fb_completed();
tty_printf("- image affichee au cycle = %d \n",proctime());
base = base + nblocks;
image = image + 1;
tty_getc_irq(&byte);
if (base == 640) base =0;
} // end while
exit();
} // end main
__attribute__((constructor)) void main_display()
{
char buf[128*128];
int x;
int base = 0;
char byte;
while(base < 20*NBLOCS)
{
tty_printf("\n *** starting image %d *** at date = %d \n", base/NBLOCS, proctime());
/* Phase 1 : lecture image sur le disque */
x = ioc_read(base, buf, NBLOCS);
if( x )
{
tty_printf("echec ioc_read = %d\n", x);
exit();
}
x = ioc_completed();
if( x )
{
tty_printf("echec ioc_completed = %d\n", x);
exit();
}
tty_printf("\n *** completing load at date = %d \n", proctime());
/* Phase 2 : affichage image */
x = fb_sync_write(0, buf, 128*128);
if( x )
{
tty_printf("echec fb_sync_write\n");
exit();
}
base = base + NBLOCS;
tty_printf("\n *** completing display at date = %d\n\n ... new image ?\n", proctime());
// tty_getc_irq(&byte);
}
exit();
}
