Files
cubelinux-kernel/arch/um/kernel/dtb.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

43 lines
745 B
C

// SPDX-License-Identifier: GPL-2.0-only
#include <linux/init.h>
#include <linux/of_fdt.h>
#include <linux/printk.h>
#include <linux/memblock.h>
#include <init.h>
#include "um_arch.h"
static char *dtb __initdata;
void uml_dtb_init(void)
{
long long size;
void *area;
area = uml_load_file(dtb, &size);
if (area) {
if (!early_init_dt_scan(area, __pa(area))) {
pr_err("invalid DTB %s\n", dtb);
memblock_free(area, size);
return;
}
early_init_fdt_scan_reserved_mem();
}
unflatten_device_tree();
}
static int __init uml_dtb_setup(char *line, int *add)
{
*add = 0;
dtb = line;
return 0;
}
__uml_setup("dtb=", uml_dtb_setup,
"dtb=<file>\n"
" Boot the kernel with the devicetree blob from the specified file.\n\n"
);