---
name: "fmaptool"
section: "8"
platform: "linux"
package: "coreboot-utils"
version: "24.12+dfsg-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/fmaptool"
---

# fmaptool(8)

Converts plaintext fmd files into fmap blobs

## NAME

fmaptool - Converts plaintext fmd files into fmap blobs

## SYNOPSIS

fmaptool \[-h \<header output file\>\] \[-R \<region output file\>\] \<fmd input file\> \<binary output file\>

## DESCRIPTION

Compiler for fmd (flashmap descriptor) files. A successful invocation prints a summary of work done to standard error, and a comma-separated list of those sections that contain CBFSes, starting with the primary such section, to standard output.

## OPTIONS

- **-h** \<header output files\>

  Also produce a C header defining FMAP\_OFFSET to the FMAP section's flash offset

**-R** \<region output file\>

Also produce a text file listing the CBFS regions, comma separated

## AUTHORS

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