View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0000614 | file | General | public | 2025-01-14 19:17 | 2025-01-14 19:17 |
| Reporter | zhaofeng | Assigned To | |||
| Priority | normal | Severity | minor | Reproducibility | have not tried |
| Status | new | Resolution | open | ||
| Summary | 0000614: Allwinner boot images | ||||
| Description | Hi, The attached patch adds detection of 3 boot image formats used by Allwinner SoCs (aka "sunxi"): eGON, TOC0, TOC1. Sample output and testing instructions: # Use https://github.com/smaeul/u-boot (branch "allwinner"): # make tools-only_defconfig # make cross_tools HOST_TOOLS_ALL=y NO_SDL=1 # export PATH="$PWD/tools:$PATH" # mkimage -T sunxi_egon -A riscv -d any-file.bin test.egon test.egon: Allwinner eGON.BT0 Boot Image (RISC-V), size 8192 # openssl genrsa -out root_key.pem # mkimage -A arm64 -T sunxi_toc0 -d any-file.bin test.toc0 test.toc0: Allwinner TOC0 Boot Image with 3 items: key (offset 0x90, size 0x538), certificate (offset 0x5c8, size 0x25b), firmware (offset 0x840, size 0x1c66) # echo -e "[first]\nfile = any-file.bin\naddr = 0x1000\n\n[second]\nfile = any-file.bin\naddr = 0x2000" >test-toc1.cfg # mkimage -T sunxi_toc1 -d test-toc1.cfg test.toc1 test.toc1: Allwinner TOC1 Boot Image with 2 items: first (offset 0x400, size 0x1c66), second (offset 0x2200, size 0x1c66) | ||||
| Tags | No tags attached. | ||||
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0001-Add-Allwinner-boot-image-formats-eGON-TOC0-TOC1.patch (2,271 bytes)
From 9e35ecac5ae077c1b0b7314ede8657ad8bdcdec0 Mon Sep 17 00:00:00 2001 From: Zhaofeng Li <hello@zhaofeng.li> Date: Tue, 14 Jan 2025 09:13:29 +0000 Subject: [PATCH] Add Allwinner boot image formats (eGON, TOC0, TOC1) --- magic/Magdir/firmware | 75 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) diff --git a/magic/Magdir/firmware b/magic/Magdir/firmware index 21ba1ed5..f30ab6a4 100644 --- a/magic/Magdir/firmware +++ b/magic/Magdir/firmware @@ -275,3 +275,78 @@ >-10 string \x1A\x01UFD >>-12 uleshort x \b, for device %04X: >>-14 uleshort x \b%04X + +# Allwinner eGON Boot Image +# Reference: https://linux-sunxi.org/EGON + +0 name egon-details +# ARM b instruction +>0 ulelong&0xff000000 0xea000000 (ARM) +# RISC-V jal instruction +>0 ulelong&0x00000fff 0x0000006f (RISC-V) +>16 ulelong x \b, size %u + +4 string eGON.BT0 Allwinner eGON.BT0 Boot Image +>0 use egon-details + +4 string eGON.BT1 Allwinner eGON.BT1 Boot Image +>0 use egon-details + +# Allwinner TOC0 Boot Image +# Reference: https://linux-sunxi.org/TOC0 +0 name toc0-item +>0 ulelong 0x010101 certificate +>0 ulelong 0x010202 firmware +>0 ulelong 0x010303 key +>4 ulelong x (offset 0x%x +>8 ulelong x \b, size 0x%x) + +8 ulelong 0x89119800 Allwinner TOC0 Boot Image +>24 ulelong x with %u items +# each item is 32 bytes +# item 0 +>24 ulelong >0 \b: +>>48 use toc0-item +# item 1 +>24 ulelong >1 \b, +>>80 use toc0-item +# item 2 +>24 ulelong >2 \b, +>>112 use toc0-item +# item 3 +>24 ulelong >3 \b, +>>144 use toc0-item +# item 4 +>24 ulelong >4 \b, +>>176 use toc0-item +# item 5+ +>24 ulelong >5 \b, ... + +# Allwinner TOC1 Boot Image +# Reference: https://lore.kernel.org/all/20211015040811.56856-2-samuel@sholland.org/T/ +0 name toc1-item +>0 string/64/T x %s +>64 ulelong x (offset 0x%x +>68 ulelong x \b, size 0x%x) + +16 ulelong 0x89119800 Allwinner TOC1 Boot Image +>0 string/16/T >\0 (name "%s") +>32 ulelong x with %u items +# each item is 368 bytes +# item 0 +>32 ulelong >0 \b: +>>64 use toc1-item +# item 1 +>32 ulelong >1 \b, +>>432 use toc1-item +# item 2 +>32 ulelong >2 \b, +>>800 use toc1-item +# item 3 +>32 ulelong >3 \b, +>>1168 use toc1-item +# item 4 +>32 ulelong >4 \b, +>>1536 use toc1-item +# item 5+ +>32 ulelong >5 \b, ... -- 2.47.0 |
