diff --git a/build-farm/platform-specific-configurations/downloaders.sh b/build-farm/platform-specific-configurations/downloaders.sh
new file mode 100755
index 000000000..2b29e4fa8
--- /dev/null
+++ b/build-farm/platform-specific-configurations/downloaders.sh
@@ -0,0 +1,84 @@
+#!/bin/bash
+# shellcheck disable=SC1091
+
+################################################################################
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+################################################################################
+
+DOWLOADERS_SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# this one should be swithing per (supported) oses in future
+function downloadBootJDK() {
+  downloadLinuxBootJDK "$@"
+}
+
+function downloadLinuxBootJDK() {
+  ARCH=$1
+  VER=$2
+  export downloadArch
+  case "$ARCH" in
+     "riscv64") downloadArch="$NATIVE_API_ARCH";;
+             *) downloadArch="$ARCH";;
+  esac
+  releaseType="ga"
+  vendor="eclipse"
+  apiUrlTemplate="https://api.adoptium.net/v3/binary/latest/\${VER}/\${releaseType}/linux/\${downloadArch}/jdk/hotspot/normal/\${vendor}"
+  apiURL=$(eval echo "${apiUrlTemplate}")
+  echo "Downloading GA release of boot JDK version ${VER} from ${apiURL}"
+  # make-adopt-build-farm.sh has 'set -e'. We need to disable that for
+  # the fallback mechanism, as downloading of the GA binary might fail.
+  set +e
+  curl -L -o bootjdk.tar.gz "${apiURL}"
+  apiSigURL=$(curl -v "${apiURL}" 2>&1 | tr -d \\r | awk '/^< Location:/{print $3 ".sig"}')
+  if ! grep "No releases match the request" bootjdk.tar.gz; then
+    curl -L -o bootjdk.tar.gz.sig "${apiSigURL}"
+    gpg --keyserver keyserver.ubuntu.com --recv-keys 3B04D753C9050D9A5D343F39843C48A565F8F04B
+    echo -e "5\ny\n" |  gpg --batch --command-fd 0 --expert --edit-key 3B04D753C9050D9A5D343F39843C48A565F8F04B trust;
+    gpg --verify bootjdk.tar.gz.sig bootjdk.tar.gz || exit 1
+    mkdir "$bootDir"
+    tar xpzf bootjdk.tar.gz --strip-components=1 -C "$bootDir"
+    set -e
+  else
+    # We must be a JDK HEAD build for which no boot JDK exists other than
+    # nightlies?
+    echo "Downloading GA release of boot JDK version ${VER} failed."
+    # shellcheck disable=SC2034
+    releaseType="ea"
+    # shellcheck disable=SC2034
+    vendor="adoptium"
+    apiURL=$(eval echo ${apiUrlTemplate})
+    echo "Attempting to download EA release of boot JDK version ${VER} from ${apiURL}"
+    set +e
+    curl -L -o bootjdk.tar.gz "${apiURL}"
+    if ! grep "No releases match the request" bootjdk.tar.gz; then
+      apiSigURL=$(curl -v "${apiURL}" 2>&1 | tr -d \\r | awk '/^< Location:/{print $3 ".sig"}')
+      curl -L -o bootjdk.tar.gz.sig "${apiSigURL}"
+      gpg --keyserver keyserver.ubuntu.com --recv-keys 3B04D753C9050D9A5D343F39843C48A565F8F04B
+      echo -e "5\ny\n" |  gpg --batch --command-fd 0 --expert --edit-key 3B04D753C9050D9A5D343F39843C48A565F8F04B trust;
+      gpg --verify bootjdk.tar.gz.sig bootjdk.tar.gz || exit 1
+      mkdir "$bootDir"
+      tar xpzf bootjdk.tar.gz --strip-components=1 -C "$bootDir"
+    else
+      # If no binaries are available then try from adoptopenjdk
+      echo "Downloading Temurin release of boot JDK version ${VER} failed."
+      # shellcheck disable=SC2034
+      releaseType="ga"
+      # shellcheck disable=SC2034
+      vendor="adoptium"
+      apiURL=$(eval echo ${apiUrlTemplate})
+      echo "Attempting to download GA release of boot JDK version ${VER} from ${apiURL}"
+      curl -L "${apiURL}" | tar xpzf - --strip-components=1 -C "$bootDir"
+    fi
+  fi
+}
+
diff --git a/build-farm/platform-specific-configurations/linux.sh b/build-farm/platform-specific-configurations/linux.sh
index 5125c9c09..669271bb1 100755
--- a/build-farm/platform-specific-configurations/linux.sh
+++ b/build-farm/platform-specific-configurations/linux.sh
@@ -18,6 +18,7 @@
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 # shellcheck source=sbin/common/constants.sh
 source "$SCRIPT_DIR/../../sbin/common/constants.sh"
+source "$SCRIPT_DIR/downloaders.sh"
 
 if [[ "$JAVA_FEATURE_VERSION" -ge 21 ]]; then
   # jdk-21+ uses "bundled" FreeType
@@ -145,67 +146,6 @@ function setCrossCompilerEnvironment()
   fi
 }
 
-function downloadBootJDK()
-{
-  ARCH=$1
-  VER=$2
-  export downloadArch
-  case "$ARCH" in
-     "riscv64") downloadArch="$NATIVE_API_ARCH";;
-             *) downloadArch="$ARCH";;
-  esac
-  releaseType="ga"
-  vendor="eclipse"
-  apiUrlTemplate="https://api.adoptium.net/v3/binary/latest/\${VER}/\${releaseType}/linux/\${downloadArch}/jdk/hotspot/normal/\${vendor}"
-  apiURL=$(eval echo "${apiUrlTemplate}")
-  echo "Downloading GA release of boot JDK version ${VER} from ${apiURL}"
-  # make-adopt-build-farm.sh has 'set -e'. We need to disable that for
-  # the fallback mechanism, as downloading of the GA binary might fail.
-  set +e
-  curl -L -o bootjdk.tar.gz "${apiURL}"
-  apiSigURL=$(curl -v "${apiURL}" 2>&1 | tr -d \\r | awk '/^< Location:/{print $3 ".sig"}')
-  if ! grep "No releases match the request" bootjdk.tar.gz; then
-    curl -L -o bootjdk.tar.gz.sig "${apiSigURL}"
-    gpg --keyserver keyserver.ubuntu.com --recv-keys 3B04D753C9050D9A5D343F39843C48A565F8F04B
-    echo -e "5\ny\n" |  gpg --batch --command-fd 0 --expert --edit-key 3B04D753C9050D9A5D343F39843C48A565F8F04B trust;
-    gpg --verify bootjdk.tar.gz.sig bootjdk.tar.gz || exit 1
-    mkdir "$bootDir"
-    tar xpzf bootjdk.tar.gz --strip-components=1 -C "$bootDir"
-    set -e
-  else
-    # We must be a JDK HEAD build for which no boot JDK exists other than
-    # nightlies?
-    echo "Downloading GA release of boot JDK version ${VER} failed."
-    # shellcheck disable=SC2034
-    releaseType="ea"
-    # shellcheck disable=SC2034
-    vendor="adoptium"
-    apiURL=$(eval echo ${apiUrlTemplate})
-    echo "Attempting to download EA release of boot JDK version ${VER} from ${apiURL}"
-    set +e
-    curl -L -o bootjdk.tar.gz "${apiURL}"
-    if ! grep "No releases match the request" bootjdk.tar.gz; then
-      apiSigURL=$(curl -v "${apiURL}" 2>&1 | tr -d \\r | awk '/^< Location:/{print $3 ".sig"}')
-      curl -L -o bootjdk.tar.gz.sig "${apiSigURL}"
-      gpg --keyserver keyserver.ubuntu.com --recv-keys 3B04D753C9050D9A5D343F39843C48A565F8F04B
-      echo -e "5\ny\n" |  gpg --batch --command-fd 0 --expert --edit-key 3B04D753C9050D9A5D343F39843C48A565F8F04B trust;
-      gpg --verify bootjdk.tar.gz.sig bootjdk.tar.gz || exit 1
-      mkdir "$bootDir"
-      tar xpzf bootjdk.tar.gz --strip-components=1 -C "$bootDir"
-    else
-      # If no binaries are available then try from adoptopenjdk
-      echo "Downloading Temurin release of boot JDK version ${VER} failed."
-      # shellcheck disable=SC2034
-      releaseType="ga"
-      # shellcheck disable=SC2034
-      vendor="adoptium"
-      apiURL=$(eval echo ${apiUrlTemplate})
-      echo "Attempting to download GA release of boot JDK version ${VER} from ${apiURL}"
-      curl -L "${apiURL}" | tar xpzf - --strip-components=1 -C "$bootDir"
-    fi
-  fi
-}
-
 if [ "${ARCHITECTURE}" == "x64" ]
 then
   export PATH=/opt/rh/devtoolset-2/root/usr/bin:$PATH
@@ -317,7 +257,7 @@ if [ ! -d "$(eval echo "\$$BOOT_JDK_VARIABLE")" ]; then
       # shellcheck disable=SC2140
       export "${BOOT_JDK_VARIABLE}"="/usr/lib/jvm/jdk-${JDK_BOOT_VERSION}"
     elif [ "$JDK_BOOT_VERSION" -ge 8 ]; then # Adoptium has no build pre-8
-      downloadBootJDK "${ARCHITECTURE}" "${JDK_BOOT_VERSION}"
+      downloadLinuxBootJDK "${ARCHITECTURE}" "${JDK_BOOT_VERSION}"
     fi
   fi
 fi
diff --git a/makejdk-any-platform.1 b/makejdk-any-platform.1
index f52f95f31..bdf8dfd23 100755
--- a/makejdk-any-platform.1
+++ b/makejdk-any-platform.1
@@ -117,7 +117,9 @@ ignore the existing docker container if you have one already.
 specify the JDK boot dir.
 For reference, OpenJDK needs the previous version of a JDK in order to build
 itself. You should select the path to a JDK install that is N-1 versions below
-the one you are trying to build.
+the one you are trying to build. On some platforms, you can use magic keyword
+of `download`, and boot jdk will be downloaded for you in best attempt. It will
+be reused as long as you keep workspace or clean libs.
 .TP
 .BR \-k ", " \-\-keep
 if using docker, keep the container after the build.
diff --git a/sbin/prepareWorkspace.sh b/sbin/prepareWorkspace.sh
index 022a0b297..15a532a29 100644
--- a/sbin/prepareWorkspace.sh
+++ b/sbin/prepareWorkspace.sh
@@ -577,15 +577,33 @@ prepareMozillaCacerts() {
     fi
 }
 
-# Download all of the dependencies for OpenJDK (Alsa, FreeType etc.)
+downloadBootJdkIfNeeded () {
+  if [[ "${BUILD_CONFIG[JDK_BOOT_DIR]}" == "download" ]]; then
+    # the bootDir is used by refactored downloaders.sh methods; it would benice to change in future
+    bootDir="${BUILD_CONFIG[WORKSPACE_DIR]}/downloaded-boot-jdk-${BUILD_CONFIG[OPENJDK_FEATURE_NUMBER]}"
+    if  [ -e "$bootDir" ] ; then
+      echo "Reusing $bootDir"
+    else
+      source "$SCRIPT_DIR/../build-farm/platform-specific-configurations/downloaders.sh"
+      echo "Downloading to $bootDir"
+      downloadBootJDK $(uname -m) ${BUILD_CONFIG[OPENJDK_FEATURE_NUMBER]}
+    fi
+    BUILD_CONFIG[JDK_BOOT_DIR]="${bootDir}"
+  fi
+}
+
+# Download all of the dependencies for OpenJDK (Alsa, FreeType, boot-jdk etc.)
 downloadingRequiredDependencies() {
+
   if [[ "${BUILD_CONFIG[CLEAN_LIBS]}" == "true" ]]; then
     rm -rf "${BUILD_CONFIG[WORKSPACE_DIR]}/libs/freetype" || true
-
     rm -rf "${BUILD_CONFIG[WORKSPACE_DIR]}/${BUILD_CONFIG[WORKING_DIR]}/installedalsa" || true
     rm -rf "${BUILD_CONFIG[WORKSPACE_DIR]}/${BUILD_CONFIG[WORKING_DIR]}/installedfreetype" || true
+    rm -rf "${BUILD_CONFIG[WORKSPACE_DIR]}/downloaded-boot-jdk-${BUILD_CONFIG[OPENJDK_FEATURE_NUMBER]}" || true
   fi
 
+  downloadBootJdkIfNeeded
+
   mkdir -p "${BUILD_CONFIG[WORKSPACE_DIR]}/libs/" || exit
   cd "${BUILD_CONFIG[WORKSPACE_DIR]}/libs/" || exit