diff --git a/sys-block/bmaptool/Manifest b/sys-block/bmaptool/Manifest
new file mode 100644
index 0000000000000..3ea394fe7ca05
--- /dev/null
+++ b/sys-block/bmaptool/Manifest
@@ -0,0 +1 @@
+DIST bmaptool-3.9.0.tar.gz 104321 BLAKE2B cffa465124f1b3c9738a797d3f4eda6252b546476fee6b8c2fabffba71a4da50d8249c74097049e5337a866a08a6d4849eb08fe9c0d909cf105d389f776c5a64 SHA512 5992e26ec54de5b0ec7992c5fe30acafbd8c5817fdaf992816804c6c0a033cb4357e30a581af85835d9e3fe640d06a77a68602b52499def8761de5c2038df017
diff --git a/sys-block/bmaptool/bmaptool-3.9.0.ebuild b/sys-block/bmaptool/bmaptool-3.9.0.ebuild
new file mode 100644
index 0000000000000..2e4430254807e
--- /dev/null
+++ b/sys-block/bmaptool/bmaptool-3.9.0.ebuild
@@ -0,0 +1,75 @@
+# Copyright 2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+# py3.14 tests fail for tests/test_api_base.py::TestCreateCopy::test
+PYTHON_COMPAT=( python3_{11..13} )
+DISTUTILS_USE_PEP517=hatchling
+inherit distutils-r1 optfeature
+
+DESCRIPTION="The better dd for embedded projects, based on block maps."
+HOMEPAGE="https://github.com/yoctoproject/bmaptool"
+SRC_URI="
+	https://github.com/yoctoproject/bmaptool/archive/refs/tags/v${PV}.tar.gz
+		-> ${P}.tar.gz
+"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+# pyproject.toml isnt the ultimate truth for dependencies.
+# Check the Debian control file and rpm spec for a better idea.
+RDEPEND="
+	app-arch/tar
+"
+BDEPEND="
+	test? (
+		app-arch/bzip2
+		app-arch/gzip
+		app-arch/lz4
+		app-arch/lzop
+		app-arch/pbzip2
+		app-arch/pigz
+		app-arch/unzip
+		app-arch/xz-utils
+		app-arch/zstd
+		dev-python/gpgmepy[${PYTHON_USEDEP}]
+		dev-python/six[${PYTHON_USEDEP}]
+	)
+"
+
+DOCS=( CHANGELOG.md README.md )
+
+EPYTEST_PLUGINS=()
+distutils_enable_tests pytest
+
+python_prepare_all() {
+	distutils-r1_python_prepare_all
+
+	# Use reference implementation where alternative implementation would already be preferred
+	sed -e '/decompressor =/ { s/"gzip"/"gzip-reference"/; s/"bzip2"/"bzip2-reference"/ }' \
+		-i src/bmaptool/TransRead.py || die
+}
+
+src_install() {
+	distutils-r1_src_install
+
+	doman docs/man1/bmaptool.1
+}
+
+pkg_postinst() {
+	optfeature "ssh:// support" virtual/ssh
+	optfeature "password-based SSH authentication" net-misc/sshpass
+	optfeature_header "Support for on-the-fly decompression:"
+	optfeature "'.gz', '.gzip', '.tar.gz' and '.tgz'" app-arch/gzip app-arch/pigz
+	optfeature "'.bz2', 'tar.bz2', '.tbz2', '.tbz', and '.tb2'" app-arch/bzip2 app-arch/pbzip2
+	optfeature "'.xz', '.tar.xz', '.txz'" app-arch/xz-utils
+	optfeature "'.lzo', 'tar.lzo', '.tzo'" app-arch/lzop
+	optfeature "'.lz4', 'tar.lz4', '.tlz4'" app-arch/lz4
+	optfeature "'.zst', 'tar.zst', '.tzst'" app-arch/zstd
+	optfeature "'.zip'" app-arch/unzip
+}
diff --git a/sys-block/bmaptool/metadata.xml b/sys-block/bmaptool/metadata.xml
new file mode 100644
index 0000000000000..e1e3bb8c1d9d4
--- /dev/null
+++ b/sys-block/bmaptool/metadata.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>embedded@gentoo.org</email>
+		<name>Embedded Gentoo</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">yoctoproject/bmaptool</remote-id>
+	</upstream>
+</pkgmetadata>