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If the total size of the DTB exceeds our static storage, attempt to pack

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it in place to make it fit.
This commit is contained in:
jmcneill 2018-09-29 20:58:31 +00:00
parent cde2e090ac
commit fb674b8698
1 changed files with 5 additions and 2 deletions
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7
sys/arch/evbarm/fdt/fdt_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: fdt_machdep.c,v 1.40 2018/09/29 15:50:29 jmcneill Exp $ */
/* $NetBSD: fdt_machdep.c,v 1.41 2018/09/29 20:58:31 jmcneill Exp $ */
/*-
* Copyright (c) 2015-2017 Jared McNeill <jmcneill@invisible.ca>
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: fdt_machdep.c,v 1.40 2018/09/29 15:50:29 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: fdt_machdep.c,v 1.41 2018/09/29 20:58:31 jmcneill Exp $");
#include "opt_machdep.h"
#include "opt_bootconfig.h"
@ -377,6 +377,9 @@ initarm(void *arg)
/* Load FDT */
int error = fdt_check_header(fdt_addr_r);
if (error == 0) {
/* If the DTB is too big, try to pack it in place first. */
if (fdt_totalsize(fdt_addr_r) > sizeof(fdt_data))
(void)fdt_pack(__UNCONST(fdt_addr_r));
error = fdt_open_into(fdt_addr_r, fdt_data, sizeof(fdt_data));
if (error != 0)
panic("fdt_move failed: %s", fdt_strerror(error));