IFDTOOL(8)

💖 IFDTOOL — the Intel Firmware Descriptor whisperer 💖

okay bestie, so this one lives in section 8 of the manual, aka the System Administration Utilities zone 👑 — it's ifdtool, and it is literally the girl who extracts and dumps Intel Firmware Descriptor information. no cap. 🦋

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✨ SYNOPSIS ✨

usage ifdtool [-vhdix?] <filename>

like, that's the whole vibe. you hand her a <filename> and she goes to work 💅

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🌸 DESCRIPTION 🌸

Extract and dump Intel Firmware Descriptor information.

that's it. that's the whole job description. she extracts, she dumps, she serves. 🎀

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💖 OPTIONS 💖

so many flags, so little time. let's get into it fr fr:

• -d, --dump — dump intel firmware descriptor 🗑️✨
• -f, --layout <filename> — dump regions into a flashrom layout file
• -F, --fmap-layout <filename> — dump IFD regions into an fmap layout template (.fmd) file
• -t, --validate — Validate that the firmware descriptor layout matches the fmap layout 👀
• -x, --extract — extract intel fd modules
• -i, --inject <region>:<module> — inject file <module> into region <region> 💉
• -n, --newlayout <filename> — update regions using a flashrom layout file
• -O, --output <filename> — output filename
• -s, --spifreq <17|20|30|33|48|50> — set the SPI frequency
• -D, --density <512|1|2|4|8|16|32|64> — set chip density (512 in KByte, others in MByte)
• -C, --chip <0|1|2> — select spi chip on which to operate, can only be used once per run:
  • 0 - both chips (default)
  • 1 - first chip
  • 2 - second chip
• -e, --em100 — set SPI frequency to 20MHz and disable Dual Output Fast Read Support
• -l, --lock — Lock firmware descriptor and ME region 🔒
• -r, --read — Enable CPU/BIOS read access for ME region
• -u, --unlock — Unlock firmware descriptor and ME region 🔓
• -g, --gpr0-disable — Disable GPR0 (Global Protected Range) register
• -E, --gpr0-enable — Enable GPR0 (Global Protected Range) register
• -c, --gpr0-status — Checking GPR0 (Global Protected Range) register status
• -M, --altmedisable <0|1> — Set the MeDisable and AltMeDisable (or HAP for skylake or newer platform) bits to disable ME
• -p, --platform — Add platform-specific quirks 🧚
  • adl - Alder Lake
  • aplk - Apollo Lake
  • cnl - Cannon Lake
  • lbg - Lewisburg PCH
  • dnv - Denverton
  • ehl - Elkhart Lake
  • glk - Gemini Lake
  • icl - Ice Lake
  • ifd2 - IFDv2 Platform
  • jsl - Jasper Lake
  • mtl - Meteor Lake
  • sklkbl - Sky Lake/Kaby Lake
  • tgl - Tiger Lake
  • wbg - Wellsburg
• -S, --setpchstrap — Write a PCH strap
• -V, --newvalue — The new value to write into PCH strap specified by -S
• -v, --version — print the version
• -h, --help — print this help 🙈

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📝 NOTES 📝

okay so <region> is one of: Descriptor, BIOS, ME, GbE, Platform Data, Secondary BIOS, Device Exp1, EC, Device Exp2, IE, 10GbE_0, 10GbE_1, PTT

memorize that list bestie, it's giving vocabulary quiz 🍓

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💜 AUTHORS 💜

• coresystems GmbH.
• Man page written by Ahmad Khalifa.

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and that's the whole page, bestie!! 🌈

this iconic little manual came out in November 2024, courtesy of the System Administration Utilities collection — so when you're flipping through your IFDTOOL(8) pages, you know exactly whose name is on it. slay, periodt. 💅✨🫶