static void simdisk_transfer(struct simdisk *dev, unsigned long sector,
unsigned long nsect, char *buffer, int write)
{
unsigned long offset = sector << SECTOR_SHIFT;
unsigned long nbytes = nsect << SECTOR_SHIFT;
if (offset > dev->size || dev->size - offset < nbytes) {
pr_notice("Beyond-end %s (%ld %ld)\n",
write ? "write" : "read", offset, nbytes);
return;
}
spin_lock(&dev->lock);
while (nbytes > 0) {
unsigned long io;
__simc(SYS_lseek, dev->fd, offset, SEEK_SET, 0, 0);
if (write)
io = simc_write(dev->fd, buffer, nbytes);
else
io = simc_read(dev->fd, buffer, nbytes);
if (io == -1) {
pr_err("SIMDISK: IO error %d\n", errno);
break;
}
buffer += io;
offset += io;
nbytes -= io;
}
spin_unlock(&dev->lock);
}
void iss_serial_puts( char *s )
{
if( s != 0 && *s != 0 )
__simc( SYS_write, 1, s, strlen(s) );
}
void iss_serial_putc( char c )
{
__simc( SYS_write, 1, &c, 1 );
}
char iss_serial_getc()
{
char c;
__simc( SYS_read, 0, &c, 1 );
return c;
}
