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// Copyright (C) 2019, Linaro Ltd
//
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This file is a Binary Template file for the 010 Editor
// (http://www.sweetscape.com/010editor/) to allow it to show the
// structure of an MCUboot image.
LittleEndian();
struct ENTRY {
uint32 id;
uint32 offset;
uint32 size;
uint32 pad;
};
// The simulator writes the partition table at the beginning of the
// image, so that we can tell where the partitions are. If you are
// trying to view an image captured from a device, you can either
// construct a synthetic partition table in the file, or change code
// described below to hardcode one.
struct PTABLE {
uchar pheader[8];
if (ptable.pheader != "mcuboot\0") {
// NOTE: Put code here to hard code a partition table, and
// continue.
Warning("Invalid magic on ptable header");
return -1;
} else {
uint32 count;
struct ENTRY entries[count];
}
};
struct PTABLE ptable;
struct IMAGE_VERSION {
uchar major;
uchar minor;
uint16 revision;
uint32 build_num;
};
struct IHDR {
uint32 magic <format=hex>;
uint32 load_addr <format=hex>;
uint16 hdr_size <format=hex>;
uint16 protect_size <format=hex>;
uint32 img_size <format=hex>;
uint32 flags;
struct IMAGE_VERSION ver;
uint32 _pad1;
};
struct TLV_HDR {
uint16 magic;
uint16 tlv_tot;
};
struct TLV {
uchar type <format=hex>;
uchar pad;
uint16 len;
switch (type) {
case 0x01: // keyhash
uchar keyhash[len];
break;
case 0x40: // dependency
if (len != 12) {
Warning("Invalid dependency size");
return -1;
}
uchar image_id;
uchar pad1;
uint16 pad2;
struct IMAGE_VERSION version;
break;
default:
// Other, just consume the data.
uchar data[len];
}
};
local int i;
local int epos;
for (i = 0; i < ptable.count; i++) {
FSeek(ptable.entries[i].offset);
switch (ptable.entries[i].id) {
case 1:
case 2:
case 4:
case 5:
struct IMAGE {
struct IHDR ihdr;
if (ihdr.magic == 0x96f3b83d) {
uchar payload[ihdr.img_size];
epos = FTell();
struct TLV_HDR tlv_hdr;
if (tlv_hdr.magic == 0x6907) {
epos += tlv_hdr.tlv_tot;
while (FTell() < epos) {
struct TLV tlv;
}
}
}
// uchar block[ptable.entries[i].size];
} image;
break;
case 3:
struct SCRATCH {
uchar data[ptable.entries[i].size];
} scratch;
break;
default:
break;
}
}
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