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plugins/nordic-hid: support images for MCUBoot

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- added images for MCUBoot bootloader
This commit is contained in:
Denis Pynkin 2021-12-16 00:09:04 +01:00 committed by Richard Hughes
parent 25025936a2
commit dabc9657bc
14 changed files with 358 additions and 63 deletions
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14
plugins/nordic-hid/fu-nordic-hid-archive.c
View File

@ -9,6 +9,7 @@
#include "fu-nordic-hid-archive.h"
#include "fu-nordic-hid-firmware-b0.h"
#include "fu-nordic-hid-firmware-mcuboot.h"
/* current version format is 0 */
#define MAX_VERSION_FORMAT 0
@ -123,13 +124,8 @@ fu_nordic_hid_archive_parse(FuFirmware *firmware,
bootloader_name = "B0";
image = g_object_new(FU_TYPE_NORDIC_HID_FIRMWARE_B0, NULL);
} else if (json_object_has_member(obj, "version_MCUBOOT")) {
/* TODO: add MCUboot format */
bootloader_name = "MCUBOOT";
g_set_error_literal(error,
FWUPD_ERROR,
FWUPD_ERROR_INVALID_FILE,
"MCUboot bootloader is not supported");
return FALSE;
image = g_object_new(FU_TYPE_NORDIC_HID_FIRMWARE_MCUBOOT, NULL);
} else {
g_set_error_literal(error,
FWUPD_ERROR,
@ -154,8 +150,10 @@ fu_nordic_hid_archive_parse(FuFirmware *firmware,
"manifest invalid as has no target board information");
return FALSE;
}
/* images are listed in strict order: this is guaranteed by producer
* set the id format as <board>_<bl>_<bank>N, i.e "nrf52840dk_B0_bank0" */
/* images for B0 bootloader are listed in strict order:
* this is guaranteed by producer set the id format as
* <board>_<bl>_<bank>N, i.e "nrf52840dk_B0_bank0".
* For MCUBoot bootloader only the single image is available */
image_id = g_strdup_printf("%s_%s_bank%01u", board_split[0], bootloader_name, i);
if (!fu_firmware_parse(image, blob, flags, error))
return FALSE;

89
plugins/nordic-hid/fu-nordic-hid-firmware-b0.c
View File

@ -6,8 +6,6 @@
#include "config.h"
#include <fwupdplugin.h>
#include "fu-nordic-hid-firmware-b0.h"
#define UPDATE_IMAGE_MAGIC_COMMON 0x281ee6de
@ -16,20 +14,10 @@
#define UPDATE_IMAGE_MAGIC_NRF53 0x00003502
struct _FuNordicHidFirmwareB0 {
FuIhexFirmwareClass parent_instance;
guint32 crc32;
FuNordicHidFirmwareClass parent_instance;
};
G_DEFINE_TYPE(FuNordicHidFirmwareB0, fu_nordic_hid_firmware_b0, FU_TYPE_FIRMWARE)
static void
fu_nordic_hid_firmware_b0_export(FuFirmware *firmware,
FuFirmwareExportFlags flags,
XbBuilderNode *bn)
{
FuNordicHidFirmwareB0 *self = FU_NORDIC_HID_FIRMWARE_B0(firmware);
fu_xmlb_builder_insert_kx(bn, "crc32", self->crc32);
}
G_DEFINE_TYPE(FuNordicHidFirmwareB0, fu_nordic_hid_firmware_b0, FU_TYPE_NORDIC_HID_FIRMWARE)
static GBytes *
fu_nordic_hid_firmware_b0_write(FuFirmware *firmware, GError **error)
@ -39,6 +27,10 @@ fu_nordic_hid_firmware_b0_write(FuFirmware *firmware, GError **error)
fu_byte_array_append_uint32(buf, UPDATE_IMAGE_MAGIC_COMMON, G_LITTLE_ENDIAN);
fu_byte_array_append_uint32(buf, UPDATE_IMAGE_MAGIC_FWINFO, G_LITTLE_ENDIAN);
fu_byte_array_append_uint32(buf, UPDATE_IMAGE_MAGIC_NRF52, G_LITTLE_ENDIAN);
fu_byte_array_append_uint32(buf, 0x00, G_LITTLE_ENDIAN);
fu_byte_array_append_uint32(buf, 0x00, G_LITTLE_ENDIAN);
/* version */
fu_byte_array_append_uint32(buf, 0x63, G_LITTLE_ENDIAN);
blob = fu_firmware_get_bytes(firmware, error);
if (blob == NULL)
return NULL;
@ -47,13 +39,21 @@ fu_nordic_hid_firmware_b0_write(FuFirmware *firmware, GError **error)
}
static gboolean
fu_nordic_hid_firmware_b0_read_fwinfo(guint8 const *buf, gsize bufsz, GError **error)
fu_nordic_hid_firmware_b0_read_fwinfo(FuFirmware *firmware,
guint8 const *buf,
gsize bufsz,
GError **error)
{
guint32 magic_common;
guint32 magic_fwinfo;
guint32 magic_compat;
guint32 offset;
guint32 hdr_offset[5] = {0x0000, 0x0200, 0x400, 0x800, 0x1000};
guint8 ver_major = 0;
guint8 ver_minor = 0;
guint16 ver_rev = 0;
guint32 ver_build_nr = 0;
g_autofree gchar *version = NULL;
/* find correct offset to fwinfo */
for (guint32 i = 0; i < G_N_ELEMENTS(hdr_offset); i++) {
@ -79,12 +79,28 @@ fu_nordic_hid_firmware_b0_read_fwinfo(guint8 const *buf, gsize bufsz, GError **e
G_LITTLE_ENDIAN,
error))
return FALSE;
/* version */
if (!fu_common_read_uint32_safe(buf,
bufsz,
offset + 0x14,
&ver_build_nr,
G_LITTLE_ENDIAN,
error))
return FALSE;
if (magic_common != UPDATE_IMAGE_MAGIC_COMMON ||
magic_fwinfo != UPDATE_IMAGE_MAGIC_FWINFO)
continue;
switch (magic_compat) {
case UPDATE_IMAGE_MAGIC_NRF52:
case UPDATE_IMAGE_MAGIC_NRF53:
/* currently only the build number is saved into the image */
version = g_strdup_printf("%u.%u.%u.%u",
ver_major,
ver_minor,
ver_rev,
ver_build_nr);
fu_firmware_set_version(firmware, version);
return TRUE;
default:
break;
@ -98,32 +114,6 @@ fu_nordic_hid_firmware_b0_read_fwinfo(guint8 const *buf, gsize bufsz, GError **e
return FALSE;
}
static guint32
fu_nordic_hid_firmware_b0_crc32(const guint8 *buf, gsize bufsz)
{
guint crc32 = 0x01;
/* maybe skipped "^" step in fu_common_crc32_full()?
* according https://github.com/madler/zlib/blob/master/crc32.c#L225 */
crc32 ^= 0xFFFFFFFFUL;
return fu_common_crc32_full(buf, bufsz, crc32, 0xEDB88320);
}
static gchar *
fu_nordic_hid_firmware_b0_get_checksum(FuFirmware *firmware,
GChecksumType csum_kind,
GError **error)
{
FuNordicHidFirmwareB0 *self = FU_NORDIC_HID_FIRMWARE_B0(firmware);
if (!fu_firmware_has_flag(firmware, FU_FIRMWARE_FLAG_HAS_CHECKSUM)) {
g_set_error_literal(error,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
"unable to calculate the checksum of the update binary");
return NULL;
}
return g_strdup_printf("%x", self->crc32);
}
static gboolean
fu_nordic_hid_firmware_b0_parse(FuFirmware *firmware,
GBytes *fw,
@ -132,10 +122,13 @@ fu_nordic_hid_firmware_b0_parse(FuFirmware *firmware,
FwupdInstallFlags flags,
GError **error)
{
FuNordicHidFirmwareB0 *self = FU_NORDIC_HID_FIRMWARE_B0(firmware);
const guint8 *buf;
gsize bufsz = 0;
if (!FU_FIRMWARE_CLASS(fu_nordic_hid_firmware_b0_parent_class)
->parse(firmware, fw, addr_start, addr_end, flags, error))
return FALSE;
buf = g_bytes_get_data(fw, &bufsz);
if (buf == NULL) {
g_set_error_literal(error,
@ -144,16 +137,8 @@ fu_nordic_hid_firmware_b0_parse(FuFirmware *firmware,
"unable to get the image binary");
return FALSE;
}
if (!fu_nordic_hid_firmware_b0_read_fwinfo(buf, bufsz, error))
return FALSE;
self->crc32 = fu_nordic_hid_firmware_b0_crc32(buf, bufsz);
fu_firmware_add_flag(FU_FIRMWARE(self), FU_FIRMWARE_FLAG_HAS_CHECKSUM);
/* do not strip the header */
fu_firmware_set_bytes(firmware, fw);
/* success */
return TRUE;
return fu_nordic_hid_firmware_b0_read_fwinfo(firmware, buf, bufsz, error);
}
static void
@ -165,8 +150,6 @@ static void
fu_nordic_hid_firmware_b0_class_init(FuNordicHidFirmwareB0Class *klass)
{
FuFirmwareClass *klass_firmware = FU_FIRMWARE_CLASS(klass);
klass_firmware->get_checksum = fu_nordic_hid_firmware_b0_get_checksum;
klass_firmware->export = fu_nordic_hid_firmware_b0_export;
klass_firmware->parse = fu_nordic_hid_firmware_b0_parse;
klass_firmware->write = fu_nordic_hid_firmware_b0_write;
}

4
plugins/nordic-hid/fu-nordic-hid-firmware-b0.h
View File

@ -6,14 +6,14 @@
#pragma once
#include <fwupdplugin.h>
#include "fu-nordic-hid-firmware.h"
#define FU_TYPE_NORDIC_HID_FIRMWARE_B0 (fu_nordic_hid_firmware_b0_get_type())
G_DECLARE_FINAL_TYPE(FuNordicHidFirmwareB0,
fu_nordic_hid_firmware_b0,
FU,
NORDIC_HID_FIRMWARE_B0,
FuFirmware)
FuNordicHidFirmware)
FuFirmware *
fu_nordic_hid_firmware_b0_new(void);

172
plugins/nordic-hid/fu-nordic-hid-firmware-mcuboot.c Normal file
View File

@ -0,0 +1,172 @@
/*
* Copyright (C) 2021 Denis Pynkin <denis.pynkin@collabora.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#include "config.h"
#include "fu-nordic-hid-firmware-mcuboot.h"
#define IMAGE_MAGIC 0x96f3b83d
#define IMAGE_TLV_INFO_MAGIC 0x6907
#define IMAGE_TLV_PROT_INFO_MAGIC 0x6908
struct _FuNordicHidFirmwareMcuboot {
FuNordicHidFirmwareClass parent_instance;
};
G_DEFINE_TYPE(FuNordicHidFirmwareMcuboot,
fu_nordic_hid_firmware_mcuboot,
FU_TYPE_NORDIC_HID_FIRMWARE)
static GBytes *
fu_nordic_hid_firmware_mcuboot_write(FuFirmware *firmware, GError **error)
{
g_autoptr(GByteArray) buf = g_byte_array_new();
g_autoptr(GBytes) blob = fu_firmware_get_bytes(firmware, error);
if (blob == NULL)
return NULL;
/* https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/mcuboot/design.html#image-format
*/
fu_byte_array_append_uint32(buf, IMAGE_MAGIC, G_LITTLE_ENDIAN);
/* load_addr */
fu_byte_array_append_uint32(buf, 0x00, G_LITTLE_ENDIAN);
/* hdr_size */
fu_byte_array_append_uint16(buf, 0x20, G_LITTLE_ENDIAN);
/* protect_tlv_size */
fu_byte_array_append_uint16(buf, 0x00, G_LITTLE_ENDIAN);
/* img_size */
fu_byte_array_append_uint32(buf, (guint32)g_bytes_get_size(blob), G_LITTLE_ENDIAN);
/* flags */
fu_byte_array_append_uint32(buf, 0x00, G_LITTLE_ENDIAN);
/* version */
fu_byte_array_append_uint8(buf, 0x01);
fu_byte_array_append_uint8(buf, 0x02);
fu_byte_array_append_uint16(buf, 0x03, G_LITTLE_ENDIAN);
fu_byte_array_append_uint32(buf, 0x63, G_LITTLE_ENDIAN);
/* pad */
fu_byte_array_append_uint32(buf, 0xffffffff, G_LITTLE_ENDIAN);
/* payload */
fu_byte_array_append_bytes(buf, blob);
/* TLV magic and total */
fu_byte_array_append_uint16(buf, IMAGE_TLV_INFO_MAGIC, G_LITTLE_ENDIAN);
fu_byte_array_append_uint16(buf, 0x00, G_LITTLE_ENDIAN);
return g_byte_array_free_to_bytes(g_steal_pointer(&buf));
}
/* simple validation of the image */
static gboolean
fu_nordic_hid_firmware_mcuboot_validate(FuFirmware *firmware,
guint8 const *buf,
gsize bufsz,
GError **error)
{
guint32 magic;
guint16 hdr_size;
guint32 img_size;
guint8 ver_major;
guint8 ver_minor;
guint16 ver_rev;
guint32 ver_build_nr;
guint16 magic_tlv;
g_autofree gchar *version = NULL;
if (!fu_common_read_uint32_safe(buf, bufsz, 0, &magic, G_LITTLE_ENDIAN, error))
return FALSE;
if (magic != IMAGE_MAGIC) {
g_set_error_literal(error,
FWUPD_ERROR,
FWUPD_ERROR_INVALID_FILE,
"incorrect image magic");
return FALSE;
}
/* ignore load_addr */
if (!fu_common_read_uint16_safe(buf, bufsz, 8, &hdr_size, G_LITTLE_ENDIAN, error))
return FALSE;
/* ignore protect_tlv_size */
if (!fu_common_read_uint32_safe(buf, bufsz, 12, &img_size, G_LITTLE_ENDIAN, error))
return FALSE;
/* ignore TLVs themselves
* https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/mcuboot/design.html#protected-tlvs
* check the magic values only */
if (!fu_common_read_uint16_safe(buf,
bufsz,
hdr_size + img_size,
&magic_tlv,
G_LITTLE_ENDIAN,
error))
return FALSE;
if (magic_tlv != IMAGE_TLV_INFO_MAGIC && magic_tlv != IMAGE_TLV_PROT_INFO_MAGIC) {
g_set_error_literal(error,
FWUPD_ERROR,
FWUPD_ERROR_INVALID_FILE,
"incorrect TLV info magic");
return FALSE;
}
/* version */
if (!fu_common_read_uint8_safe(buf, bufsz, 0x14, &ver_major, error))
return FALSE;
if (!fu_common_read_uint8_safe(buf, bufsz, 0x15, &ver_minor, error))
return FALSE;
if (!fu_common_read_uint16_safe(buf, bufsz, 0x16, &ver_rev, G_LITTLE_ENDIAN, error))
return FALSE;
if (!fu_common_read_uint32_safe(buf, bufsz, 0x18, &ver_build_nr, G_LITTLE_ENDIAN, error))
return FALSE;
version = g_strdup_printf("%u.%u.%u.%u", ver_major, ver_minor, ver_rev, ver_build_nr);
fu_firmware_set_version(firmware, version);
return TRUE;
}
static gboolean
fu_nordic_hid_firmware_mcuboot_parse(FuFirmware *firmware,
GBytes *fw,
guint64 addr_start,
guint64 addr_end,
FwupdInstallFlags flags,
GError **error)
{
const guint8 *buf;
gsize bufsz = 0;
if (!FU_FIRMWARE_CLASS(fu_nordic_hid_firmware_mcuboot_parent_class)
->parse(firmware, fw, addr_start, addr_end, flags, error))
return FALSE;
buf = g_bytes_get_data(fw, &bufsz);
if (buf == NULL) {
g_set_error_literal(error,
FWUPD_ERROR,
FWUPD_ERROR_INVALID_FILE,
"unable to get the image binary");
return FALSE;
}
return fu_nordic_hid_firmware_mcuboot_validate(firmware, buf, bufsz, error);
}
static void
fu_nordic_hid_firmware_mcuboot_init(FuNordicHidFirmwareMcuboot *self)
{
}
static void
fu_nordic_hid_firmware_mcuboot_class_init(FuNordicHidFirmwareMcubootClass *klass)
{
FuFirmwareClass *klass_firmware = FU_FIRMWARE_CLASS(klass);
klass_firmware->parse = fu_nordic_hid_firmware_mcuboot_parse;
klass_firmware->write = fu_nordic_hid_firmware_mcuboot_write;
}
FuFirmware *
fu_nordic_hid_firmware_mcuboot_new(void)
{
return FU_FIRMWARE(g_object_new(FU_TYPE_NORDIC_HID_FIRMWARE_MCUBOOT, NULL));
}

19
plugins/nordic-hid/fu-nordic-hid-firmware-mcuboot.h Normal file
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@ -0,0 +1,19 @@
/*
* Copyright (C) 2021 Denis Pynkin <denis.pynkin@collabora.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#pragma once
#include "fu-nordic-hid-firmware.h"
#define FU_TYPE_NORDIC_HID_FIRMWARE_MCUBOOT (fu_nordic_hid_firmware_mcuboot_get_type())
G_DECLARE_FINAL_TYPE(FuNordicHidFirmwareMcuboot,
fu_nordic_hid_firmware_mcuboot,
FU,
NORDIC_HID_FIRMWARE_MCUBOOT,
FuNordicHidFirmware)
FuFirmware *
fu_nordic_hid_firmware_mcuboot_new(void);

96
plugins/nordic-hid/fu-nordic-hid-firmware.c Normal file
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@ -0,0 +1,96 @@
/*
* Copyright (C) 2021 Denis Pynkin <denis.pynkin@collabora.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#include "config.h"
#include <fwupdplugin.h>
#include "fu-nordic-hid-firmware.h"
typedef struct {
guint32 crc32;
} FuNordicHidFirmwarePrivate;
G_DEFINE_TYPE_WITH_PRIVATE(FuNordicHidFirmware, fu_nordic_hid_firmware, FU_TYPE_FIRMWARE)
#define GET_PRIVATE(o) (fu_nordic_hid_firmware_get_instance_private(o))
static void
fu_nordic_hid_firmware_export(FuFirmware *firmware, FuFirmwareExportFlags flags, XbBuilderNode *bn)
{
FuNordicHidFirmware *self = FU_NORDIC_HID_FIRMWARE(firmware);
FuNordicHidFirmwarePrivate *priv = GET_PRIVATE(self);
fu_xmlb_builder_insert_kx(bn, "crc32", priv->crc32);
}
static gchar *
fu_nordic_hid_firmware_get_checksum(FuFirmware *firmware, GChecksumType csum_kind, GError **error)
{
FuNordicHidFirmware *self = FU_NORDIC_HID_FIRMWARE(firmware);
FuNordicHidFirmwarePrivate *priv = GET_PRIVATE(self);
if (!fu_firmware_has_flag(firmware, FU_FIRMWARE_FLAG_HAS_CHECKSUM)) {
g_set_error_literal(error,
G_IO_ERROR,
G_IO_ERROR_NOT_SUPPORTED,
"unable to calculate the checksum of the update binary");
return NULL;
}
return g_strdup_printf("%x", priv->crc32);
}
static guint32
fu_nordic_hid_firmware_crc32(const guint8 *buf, gsize bufsz)
{
guint crc32 = 0x01;
/* maybe skipped "^" step in fu_common_crc32_full()?
* according https://github.com/madler/zlib/blob/master/crc32.c#L225 */
crc32 ^= 0xFFFFFFFFUL;
return fu_common_crc32_full(buf, bufsz, crc32, 0xEDB88320);
}
static gboolean
fu_nordic_hid_firmware_parse(FuFirmware *firmware,
GBytes *fw,
guint64 addr_start,
guint64 addr_end,
FwupdInstallFlags flags,
GError **error)
{
FuNordicHidFirmware *self = FU_NORDIC_HID_FIRMWARE(firmware);
FuNordicHidFirmwarePrivate *priv = GET_PRIVATE(self);
const guint8 *buf;
gsize bufsz = 0;
buf = g_bytes_get_data(fw, &bufsz);
if (buf == NULL) {
g_set_error_literal(error,
FWUPD_ERROR,
FWUPD_ERROR_INVALID_FILE,
"unable to get the image binary");
return FALSE;
}
fu_firmware_add_flag(FU_FIRMWARE(self), FU_FIRMWARE_FLAG_HAS_CHECKSUM);
priv->crc32 = fu_nordic_hid_firmware_crc32(buf, bufsz);
/* do not strip the header */
fu_firmware_set_bytes(firmware, fw);
return TRUE;
}
static void
fu_nordic_hid_firmware_init(FuNordicHidFirmware *self)
{
}
static void
fu_nordic_hid_firmware_class_init(FuNordicHidFirmwareClass *klass)
{
FuFirmwareClass *klass_firmware = FU_FIRMWARE_CLASS(klass);
klass_firmware->export = fu_nordic_hid_firmware_export;
klass_firmware->get_checksum = fu_nordic_hid_firmware_get_checksum;
klass_firmware->parse = fu_nordic_hid_firmware_parse;
}

20
plugins/nordic-hid/fu-nordic-hid-firmware.h Normal file
View File

@ -0,0 +1,20 @@
/*
* Copyright (C) 2021 Denis Pynkin <denis.pynkin@collabora.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#pragma once
#include <fwupdplugin.h>
#define FU_TYPE_NORDIC_HID_FIRMWARE (fu_nordic_hid_firmware_get_type())
G_DECLARE_DERIVABLE_TYPE(FuNordicHidFirmware,
fu_nordic_hid_firmware,
FU,
NORDIC_HID_FIRMWARE,
FuFirmware)
struct _FuNordicHidFirmwareClass {
FuFirmwareClass parent_class;
};

2
plugins/nordic-hid/fu-plugin-nordic-hid.c
View File

@ -11,6 +11,7 @@
#include "fu-nordic-hid-archive.h"
#include "fu-nordic-hid-cfg-channel.h"
#include "fu-nordic-hid-firmware-b0.h"
#include "fu-nordic-hid-firmware-mcuboot.h"
static void
fu_plugin_nordic_hid_init(FuPlugin *plugin)
@ -21,6 +22,7 @@ fu_plugin_nordic_hid_init(FuPlugin *plugin)
fu_plugin_add_device_gtype(plugin, FU_TYPE_NORDIC_HID_CFG_CHANNEL);
fu_plugin_add_firmware_gtype(plugin, NULL, FU_TYPE_NORDIC_HID_ARCHIVE);
fu_plugin_add_firmware_gtype(plugin, NULL, FU_TYPE_NORDIC_HID_FIRMWARE_B0);
fu_plugin_add_firmware_gtype(plugin, NULL, FU_TYPE_NORDIC_HID_FIRMWARE_MCUBOOT);
fu_context_add_quirk_key(ctx, "NordicHidBootloader");
}

2
plugins/nordic-hid/meson.build
View File

@ -12,7 +12,9 @@ shared_module('fu_plugin_nordic_hid',
sources : [
'fu-plugin-nordic-hid.c',
'fu-nordic-hid-cfg-channel.c',
'fu-nordic-hid-firmware.c',
'fu-nordic-hid-firmware-b0.c',
'fu-nordic-hid-firmware-mcuboot.c',
'fu-nordic-hid-archive.c',
],
include_directories : [

BIN
plugins/nordic-hid/tests/nordic-hid-b0.bin Normal file
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0
plugins/nordic-hid/tests/nordic-hid.builder.xml → plugins/nordic-hid/tests/nordic-hid-b0.builder.xml
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BIN
plugins/nordic-hid/tests/nordic-hid-mcuboot.bin Normal file
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Binary file not shown.

3
plugins/nordic-hid/tests/nordic-hid-mcuboot.builder.xml Normal file
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@ -0,0 +1,3 @@
<firmware gtype="FuNordicHidFirmwareMcuboot">
<data>aGVsbG8gd29ybGQ=</data> <!-- base64 -->
</firmware>

BIN
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