58dcb3d121
- LBC supervisor v1..v4 (linux/patches/b10b3-lbc-supervisor-v3.patch + b10/b10b3/lbc-v3-to-v4-fault-clamp.diff): CHARGING 4.20 V/450 mA -> HOLD 4.05 V after 60 min CV -> battery -> new cycle on USB insert; FAULT = VDD_MAX 4.00 V clamp - RAM tests C/B/D/D2/D3/D4 (safety timer only ends fast charge), B10B-4 actuator audit (VDD_MAX works, USB_SUSP does not), B10B-5 FAULT clamp regression, production run, warm reboot via PON reboot reason - cache = B10B-5 c3732515 (HW EDL write, readback + full partition verify), class-A persistent validation - test-only hooks/images are not part of the production kernel; images with the AP PSK are not published
50 lines
3.9 KiB
Bash
Executable file
50 lines
3.9 KiB
Bash
Executable file
#!/bin/bash
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# B10 — the ONLY write: cache := B10B-5 candidate (B9C + production kernel 7.2.7-aurora-b10b5 = charger supervisor v4 with FAULT safe clamp,
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# production DTB e47762d1). Run on 480s ONLY after explicit GO. Derived 1:1 from b9/b9c/cache/B9C-write.sh (B9C_WRITE_VERIFIED 2026-10-03); only image,
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# expected hashes (aboot = B9L 15208dbb since B9L-PERSIST), rollback references and log dir changed. The pre-write readback of the live cache
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# (must be B9C b9ce13c9) is kept as backup.
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# Entry: HW EDL (battery on, D+->GND, plug USB, release). Never `edl reset`. Stops at first failed gate.
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cd ~/doc/modem/jz08-aurora || exit 1
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L=firehose/007050e100000000_394a2e47cf830150_fhprg_peek.bin
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O=logs/b10/b10b5/W ; A3=logs/b5a/A3 ; P=logs/b5a/A4pre ; mkdir -p $O
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NEW=b10/b10b3/cache-v4/cache-extlinux-b10b5.img ; NEW_SHA=c37325156a6f4c013982cf01bcb5b2ddb026b0298e9c3ec0be87f57d693464b8
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OLD_SHA=b9ce13c9f48e36a5054c0ae3c39dc3f184b1fc2eea1d57d4b8bd8e9ae800a37b # current cache = B9C extlinux
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BOOT_SHA=e9579f33c7304cd47f487f2b61cd9226dc04fd3a63775d62b4b95fc15bd3ebff
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ABOOT_SHA=15208dbb4feafccd72d2b06db5714cd746c216701f0ef8822c58bb47105d37c4 # aboot = lk1st-b9l (B9L-PERSIST)
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die(){ echo "STOP: $*"; exit 1; }
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sha(){ sha256sum "$1" | cut -d" " -f1; }
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E(){ edl --loader=$L "$@"; }
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echo "== G0 inputs"
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[ "$(sha $L)" = 53f193500c03248f0d671ab57bfe9ca8a42967e97f28403294b4b3f854075aca ] || die loader
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[ "$(sha $NEW)" = $NEW_SHA ] && [ $(stat -c %s $NEW) = 134217728 ] || die candidate
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[ "$(sha b9/b9c/cache/cache-extlinux-b9c.img)" = $OLD_SHA ] || die rollback-image
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[ "$(sha logs/b9/b9c/W/11-cache-readback.bin)" = $OLD_SHA ] || die b9c-readback-backup
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lsusb | grep -q 05c6:9008 || die "no 9008"
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echo "== G1 identity + geometry + baseline"
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E printgpt > $O/00-printgpt.log 2>&1 || die printgpt
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grep -aq "Serial: *0x<SAHARA_SERIAL>" $O/00-printgpt.log || grep -aq "Mode detected: firehose" $O/00-printgpt.log || die serial
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grep -a "^cache:" $O/00-printgpt.log | grep -q "Offset 0x000000004118c000, Length 0x0000000008000000" || die cache-geometry
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E rs 0 34 $O/pre-gptp.bin >/dev/null 2>&1; cmp $O/pre-gptp.bin $A3/gpt-primary-34.bin || die gpt-changed
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E r boot $O/pre-boot.bin >/dev/null 2>&1; [ "$(sha $O/pre-boot.bin)" = $BOOT_SHA ] || die boot-not-emmc1
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E r aboot $O/pre-aboot.bin >/dev/null 2>&1; [ "$(sha $O/pre-aboot.bin)" = $ABOOT_SHA ] || die aboot-not-b9l
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E r cache $O/pre-cache.bin >/dev/null 2>&1; [ "$(sha $O/pre-cache.bin)" = $OLD_SHA ] || die cache-not-backup
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echo "== W cache := candidate (LBA 2133088, 262144 sectors)"
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E w cache $NEW > $O/10-cache-write.log 2>&1; echo "rc=$?"; grep -a "Wrote" $O/10-cache-write.log
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E r cache $O/11-cache-readback.bin > $O/11-cache-readback.log 2>&1 || die readback-rc
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sha256sum $NEW $O/11-cache-readback.bin
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cmp $NEW $O/11-cache-readback.bin || die "CACHE READBACK MISMATCH — do NOT reboot; run b10/b10b5/B10-rollback.sh"
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echo CACHE_MATCH
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echo "== V everything else unchanged"
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E rs 0 34 $O/post-gptp.bin >/dev/null 2>&1; cmp $O/post-gptp.bin $A3/gpt-primary-34.bin || die gptp
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E rs 7634911 33 $O/post-gptb.bin >/dev/null 2>&1; cmp $O/post-gptb.bin $A3/gpt-backup-33.bin || die gptb
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E rs 305184 1024 $O/post-tzbak.bin >/dev/null 2>&1; cmp $O/post-tzbak.bin $A3/tzbak-305184.bin || die tzbak
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E r boot $O/post-boot.bin >/dev/null 2>&1; [ "$(sha $O/post-boot.bin)" = $BOOT_SHA ] || die boot
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E r aboot $O/post-aboot.bin >/dev/null 2>&1; [ "$(sha $O/post-aboot.bin)" = $ABOOT_SHA ] || die aboot
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for p in sbl1 rpm tz hyp recovery modemst1 modemst2 fsg fsc persist; do
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E r $p $O/post-$p.bin >/dev/null 2>&1; cmp $O/post-$p.bin $A3/$p.bin || die "$p changed"; echo "$p == A3"
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done
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for p in modem system userdata; do
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E r $p $O/post-$p.bin >/dev/null 2>&1; cmp $O/post-$p.bin $P/$p.bin || die "$p changed"; echo "$p == A4pre"; rm -f $O/post-$p.bin
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done
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(cd $O && sha256sum *.bin > SHA256SUMS)
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echo "B10_CACHE_WRITE_VERIFIED — power off fully (USB, then battery) before first boot"
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