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