static int
dcons_drv_init(int stage)
{
int size, size0, offset;
if (drv_init)
return(drv_init);
drv_init = -1;
dcons_bufsize = DCONS_BUF_SIZE;
#ifndef KLD_MODULE
if (stage == 0) /* XXX or cold */
/*
* DCONS_FORCE_CONSOLE == 1 and statically linked.
* called from cninit(). can't use contigmalloc yet .
*/
dcons_buf = (struct dcons_buf *) bssbuf;
else
#endif
/*
* DCONS_FORCE_CONSOLE == 0 or kernel module case.
* if the module is loaded after boot,
* dcons_buf could be non-continuous.
*/
dcons_buf = (struct dcons_buf *) contigmalloc(dcons_bufsize,
M_DEVBUF, 0, 0x10000, 0xffffffff, PAGE_SIZE, 0ul);
offset = DCONS_HEADER_SIZE;
size = (dcons_bufsize - offset);
size0 = size * 3 / 4;
dcons_init_port(0, offset, size0);
offset += size0;
dcons_init_port(1, offset, size - size0);
dcons_buf->version = htonl(DCONS_VERSION);
dcons_buf->magic = ntohl(DCONS_MAGIC);
#if DDB && DCONS_FORCE_GDB
#if CONS_NODEV
gdbconsdev.cn_arg = (void *)&sc[DCONS_GDB];
#if __FreeBSD_version >= 501109
sprintf(gdbconsdev.cn_name, "dgdb");
#endif
gdb_arg = &gdbconsdev;
#else
gdbdev = makedev(CDEV_MAJOR, DCONS_GDB);
#endif
gdb_getc = dcons_cngetc;
gdb_putc = dcons_cnputc;
#endif
drv_init = 1;
return 0;
}
void
dcons_init(struct dcons_buf *buf, int size, struct dcons_softc *sc)
{
int size0, size1, offset;
offset = DCONS_HEADER_SIZE;
size0 = (size - offset);
size1 = size0 * 3 / 4; /* console port buffer */
dcons_init_port(0, offset, size1, buf, sc);
offset += size1;
dcons_init_port(1, offset, size0 - size1, buf, sc);
buf->version = htonl(DCONS_VERSION);
buf->magic = ntohl(DCONS_MAGIC);
}
