pytorch · zingo · Sep 2, 2025 · Aug 18, 2025
@@ -0,0 +1,132 @@
+#!/usr/bin/env bash
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# Copyright 2025 Arm Limited and/or its affiliates.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
+# The purpose of this file is to isolate all the functions to download
+# and setup FVP. The reasons for behind this are multiple.
+# The FVP needs a EULA acceptance and since the software download
+# differs for arch and os it becomes quite messy to try and handle
+# inside setup.sh.
+
+# Important to check for unset variables since this script is always sourced from setup.sh
+set -u
+
+# Check if the script is being sourced
+(return 0 2>/dev/null)
+if [[ $? -ne 0 ]]; then
+    echo "Error: This script must be sourced."
+    exit 1
+fi
+
+if [[ "${ARCH}" == "x86_64" ]]; then
+    # FVPs
+    corstone300_url="https://developer.arm.com/-/media/Arm%20Developer%20Community/Downloads/OSS/FVP/Corstone-300/FVP_Corstone_SSE-300_11.22_20_Linux64.tgz?rev=018659bd574f4e7b95fa647e7836ccf4&hash=22A79103C6FA5FFA7AFF3BE0447F3FF9"
+    corstone300_model_dir="Linux64_GCC-9.3"
+    corstone300_md5_checksum="98e93b949d0fbac977292d8668d34523"
+
+    corstone320_url="https://developer.arm.com/-/media/Arm%20Developer%20Community/Downloads/OSS/FVP/Corstone-320/FVP_Corstone_SSE-320_11.27_25_Linux64.tgz?rev=a507bffc219a4d5792f1192ab7002d89&hash=D9A824AA8227D2E679C9B9787FF4E8B6FBE3D7C6"
+    corstone320_model_dir="Linux64_GCC-9.3"
+    corstone320_md5_checksum="3deb3c68f9b2d145833f15374203514d"
+elif [[ "${ARCH}" == "aarch64" ]] || [[ "${ARCH}" == "arm64" ]]; then
+    # FVPs
+    corstone300_url="https://developer.arm.com/-/media/Arm%20Developer%20Community/Downloads/OSS/FVP/Corstone-300/FVP_Corstone_SSE-300_11.22_20_Linux64_armv8l.tgz?rev=9cc6e9a32bb947ca9b21fa162144cb01&hash=7657A4CF27D42E892E3F08D452AAB073"
+    corstone300_model_dir="Linux64_armv8l_GCC-9.3"
+    corstone300_md5_checksum="cbbabbe39b07939cff7a3738e1492ef1"
+
+    corstone320_url="https://developer.arm.com/-/media/Arm%20Developer%20Community/Downloads/OSS/FVP/Corstone-320/FVP_Corstone_SSE-320_11.27_25_Linux64_armv8l.tgz?rev=b6ebe0923cb84f739e017385fd3c333c&hash=8965C4B98E2FF7F792A099B08831FE3CB6120493"
+    corstone320_model_dir="Linux64_armv8l_GCC-9.3"
+    corstone320_md5_checksum="3889f1d80a6d9861ea4aa6f1c88dd0ae"
+else
+    echo "[main] Error: only x86-64 & aarch64/arm64 architecture is supported for now!"; exit 1;
+fi
+
+function install_fvp() {
+    # Download and install the Corstone 300 FVP simulator platform
+    fvps=("corstone300" "corstone320")
+
+    for fvp in "${fvps[@]}"; do
+        cd "${root_dir}"
+        if [[ ! -e "FVP_${fvp}.tgz" ]]; then
+            echo "[${FUNCNAME[0]}] Downloading FVP ${fvp}..."
+            url_variable=${fvp}_url
+            fvp_url=${!url_variable}
+            curl --output "FVP_${fvp}.tgz" "${fvp_url}"
+            md5_variable=${fvp}_md5_checksum
+            fvp_md5_checksum=${!md5_variable}
+            verify_md5 ${fvp_md5_checksum} FVP_${fvp}.tgz || exit 1
+        fi
+
+        echo "[${FUNCNAME[0]}] Installing FVP ${fvp}..."
+        rm -rf FVP-${fvp}
+        mkdir -p FVP-${fvp}
+        cd FVP-${fvp}
+        tar xf ../FVP_${fvp}.tgz
+
+        # Install the FVP
+        case ${fvp} in
+            corstone300)
+                ./FVP_Corstone_SSE-300.sh --i-agree-to-the-contained-eula --force --destination ./ --quiet --no-interactive
+                ;;
+            corstone320)
+                ./FVP_Corstone_SSE-320.sh --i-agree-to-the-contained-eula --force --destination ./ --quiet --no-interactive
+                ;;
+            *)
+                echo "[${FUNCNAME[0]}] Error: Unknown FVP model ${fvp}. Exiting."
+                exit 1
+                ;;
+        esac
+    done
+}
+
+function check_fvp_eula () {
+    # Mandatory user arg --i-agree-to-the-contained-eula
+    eula_acceptance_by_variable="${ARM_FVP_INSTALL_I_AGREE_TO_THE_CONTAINED_EULA:-False}"
+
+    if [[ "${eula_acceptance}" -eq 0 ]]; then
+        if [[ ${eula_acceptance_by_variable} != "True" ]]; then
+            echo "Must pass argument '--i-agree-to-the-contained-eula' to agree to EULA associated with downloading the FVP."
+            echo "Alternativly set environment variable ARM_FVP_INSTALL_I_AGREE_TO_THE_CONTAINED_EULA=True."
+            echo "Exiting!"
+            exit 1
+        else
+            echo "Arm EULA for FVP agreed to with ARM_FVP_INSTALL_I_AGREE_TO_THE_CONTAINED_EULA=True environment variable"
+        fi
+    fi
+}
+
+function setup_fvp() {
+    if [[ "${OS}" != "Linux" ]]; then
+        # Check if FVP is callable
+        if command -v FVP_Corstone_SSE-300_Ethos-U55 &> /dev/null; then
+            echo "[${FUNCNAME[0]}] Info: FVP for MacOS seem to be installed. Continuing..."
+            return 0  # If true exit gracefully and proceed with setup
+        else
+            echo "[${FUNCNAME[0]}] Warning: FVP only supported with Linux OS, skipping FVP setup..."
+            echo "[${FUNCNAME[0]}] Warning: For MacOS, using https://github.com/Arm-Examples/FVPs-on-Mac is recommended."
+            echo "[${FUNCNAME[0]}] Warning:   Follow the instructions and make sure the path is set correctly."
+            return 1  # Throw error. User need to install FVP according to ^^^
+        fi
+    fi
+}
+
+function setup_path_fvp() {
+    fvps=("corstone300" "corstone320")
+    for fvp in "${fvps[@]}"; do
+        model_dir_variable=${fvp}_model_dir
+        fvp_model_dir=${!model_dir_variable}
+        fvp_bin_path="${root_dir}/FVP-${fvp}/models/${fvp_model_dir}"
+        append_env_in_setup_path PATH ${fvp_bin_path}
+    done
+
+    # Fixup for Corstone-320 python dependency
+    append_env_in_setup_path LD_LIBRARY_PATH "${root_dir}/FVP-corstone320/python/lib/"
+
+    echo "hash FVP_Corstone_SSE-300_Ethos-U55" >> ${setup_path_script}.sh
+    echo "hash FVP_Corstone_SSE-300_Ethos-U65" >> ${setup_path_script}.sh
+    echo "hash FVP_Corstone_SSE-320" >> ${setup_path_script}.sh
+}
@@ -39,29 +39,11 @@ toolchain_dir=""
 toolchain_md5_checksum=""
 
 if [[ "${ARCH}" == "x86_64" ]]; then
-    # FVPs
-    corstone300_url="https://developer.arm.com/-/media/Arm%20Developer%20Community/Downloads/OSS/FVP/Corstone-300/FVP_Corstone_SSE-300_11.22_20_Linux64.tgz?rev=018659bd574f4e7b95fa647e7836ccf4&hash=22A79103C6FA5FFA7AFF3BE0447F3FF9"
-    corstone300_model_dir="Linux64_GCC-9.3"
-    corstone300_md5_checksum="98e93b949d0fbac977292d8668d34523"
-
-    corstone320_url="https://developer.arm.com/-/media/Arm%20Developer%20Community/Downloads/OSS/FVP/Corstone-320/FVP_Corstone_SSE-320_11.27_25_Linux64.tgz?rev=a507bffc219a4d5792f1192ab7002d89&hash=D9A824AA8227D2E679C9B9787FF4E8B6FBE3D7C6"
-    corstone320_model_dir="Linux64_GCC-9.3"
-    corstone320_md5_checksum="3deb3c68f9b2d145833f15374203514d"
-
     # Vulkan SDK
     vulkan_sdk_url="https://sdk.lunarg.com/sdk/download/${vulkan_sdk_version}/linux/vulkansdk-linux-x86_64-${vulkan_sdk_version}.tar.xz"
     vulkan_sdk_sha256="f22a3625bd4d7a32e7a0d926ace16d5278c149e938dac63cecc00537626cbf73"
 
 elif [[ "${ARCH}" == "aarch64" ]] || [[ "${ARCH}" == "arm64" ]]; then
-    # FVPs
-    corstone300_url="https://developer.arm.com/-/media/Arm%20Developer%20Community/Downloads/OSS/FVP/Corstone-300/FVP_Corstone_SSE-300_11.22_20_Linux64_armv8l.tgz?rev=9cc6e9a32bb947ca9b21fa162144cb01&hash=7657A4CF27D42E892E3F08D452AAB073"
-    corstone300_model_dir="Linux64_armv8l_GCC-9.3"
-    corstone300_md5_checksum="cbbabbe39b07939cff7a3738e1492ef1"
-
-    corstone320_url="https://developer.arm.com/-/media/Arm%20Developer%20Community/Downloads/OSS/FVP/Corstone-320/FVP_Corstone_SSE-320_11.27_25_Linux64_armv8l.tgz?rev=b6ebe0923cb84f739e017385fd3c333c&hash=8965C4B98E2FF7F792A099B08831FE3CB6120493"
-    corstone320_model_dir="Linux64_armv8l_GCC-9.3"
-    corstone320_md5_checksum="3889f1d80a6d9861ea4aa6f1c88dd0ae"
-
     # Vulkan SDK
     vulkan_sdk_url="https://github.com/jakoch/vulkan-sdk-arm/releases/download/1.4.321.1/vulkansdk-ubuntu-22.04-arm-1.4.321.1.tar.xz"
     vulkan_sdk_sha256="c57e318d0940394d3a304034bb7ddabda788b5b0b54638e80e90f7264efe9f84"
@@ -216,76 +198,6 @@ function setup_root_dir() {
     setup_path_script="${root_dir}/setup_path"
 }
 
-function check_fvp_eula () {
-    # Mandatory user arg --i-agree-to-the-contained-eula
-    eula_acceptance_by_variable="${ARM_FVP_INSTALL_I_AGREE_TO_THE_CONTAINED_EULA:-False}"
-
-    if [[ "${eula_acceptance}" -eq 0 ]]; then
-        if [[ ${eula_acceptance_by_variable} != "True" ]]; then
-            echo "Must pass argument '--i-agree-to-the-contained-eula' to agree to EULA associated with downloading the FVP."
-            echo "Alternativly set environment variable ARM_FVP_INSTALL_I_AGREE_TO_THE_CONTAINED_EULA=True."
-            echo "Exiting!"
-            exit 1
-        else
-            echo "Arm EULA for FVP agreed to with ARM_FVP_INSTALL_I_AGREE_TO_THE_CONTAINED_EULA=True environment variable"
-        fi
-    fi
-}
-
-function setup_fvp() {
-    # check EULA, forward argument
-    check_fvp_eula
-
-    if [[ "${OS}" != "Linux" ]]; then
-        # Check if FVP is callable
-        if command -v FVP_Corstone_SSE-300_Ethos-U55 &> /dev/null; then
-            echo "[${FUNCNAME[0]}] Info: FVP for MacOS seem to be installed. Continuing..."
-            return 0  # If true exit gracefully and proceed with setup
-        else
-            echo "[${FUNCNAME[0]}] Warning: FVP only supported with Linux OS, skipping FVP setup..."
-            echo "[${FUNCNAME[0]}] Warning: For MacOS, using https://github.com/Arm-Examples/FVPs-on-Mac is recommended."
-            echo "[${FUNCNAME[0]}] Warning:   Follow the instructions and make sure the path is set correctly."
-            return 1  # Throw error. User need to install FVP according to ^^^
-        fi
-    fi
-
-    # Download and install the Corstone 300 FVP simulator platform
-    fvps=("corstone300" "corstone320")
-
-    for fvp in "${fvps[@]}"; do
-        cd "${root_dir}"
-        if [[ ! -e "FVP_${fvp}.tgz" ]]; then
-            echo "[${FUNCNAME[0]}] Downloading FVP ${fvp}..."
-            url_variable=${fvp}_url
-            fvp_url=${!url_variable}
-            curl --output "FVP_${fvp}.tgz" "${fvp_url}"
-            md5_variable=${fvp}_md5_checksum
-            fvp_md5_checksum=${!md5_variable}
-            verify_md5 ${fvp_md5_checksum} FVP_${fvp}.tgz || exit 1
-        fi
-
-        echo "[${FUNCNAME[0]}] Installing FVP ${fvp}..."
-        rm -rf FVP-${fvp}
-        mkdir -p FVP-${fvp}
-        cd FVP-${fvp}
-        tar xf ../FVP_${fvp}.tgz
-
-        # Install the FVP
-        case ${fvp} in
-            corstone300)
-                ./FVP_Corstone_SSE-300.sh --i-agree-to-the-contained-eula --force --destination ./ --quiet --no-interactive
-                ;;
-            corstone320)
-                ./FVP_Corstone_SSE-320.sh --i-agree-to-the-contained-eula --force --destination ./ --quiet --no-interactive
-                ;;
-            *)
-                echo "[${FUNCNAME[0]}] Error: Unknown FVP model ${fvp}. Exiting."
-                exit 1
-                ;;
-        esac
-    done
-}
-
 function setup_vulkan_sdk() {
 
     if command -v vulkaninfo > /dev/null 2>&1; then
@@ -395,20 +307,7 @@ function create_setup_path(){
     echo "" > "${setup_path_script}.fish"
 
     if [[ "${enable_fvps}" -eq 1 ]]; then
-        fvps=("corstone300" "corstone320")
-        for fvp in "${fvps[@]}"; do
-            model_dir_variable=${fvp}_model_dir
-            fvp_model_dir=${!model_dir_variable}
-            fvp_bin_path="${root_dir}/FVP-${fvp}/models/${fvp_model_dir}"
-            append_env_in_setup_path PATH ${fvp_bin_path}
-        done
-
-        # Fixup for Corstone-320 python dependency
-        append_env_in_setup_path LD_LIBRARY_PATH "${root_dir}/FVP-corstone320/python/lib/"
-
-        echo "hash FVP_Corstone_SSE-300_Ethos-U55" >> ${setup_path_script}.sh
-        echo "hash FVP_Corstone_SSE-300_Ethos-U65" >> ${setup_path_script}.sh
-        echo "hash FVP_Corstone_SSE-320" >> ${setup_path_script}.sh
+        setup_path_fvp
     fi
 
     if [[ "${enable_baremetal_toolchain}" -eq 1 ]]; then
@@ -468,6 +367,8 @@ if [[ $is_script_sourced -eq 0 ]]; then
 
     check_options "$@"
 
+    source $et_dir/backends/arm/scripts/fvp_utils.sh
+
     check_platform_support
 
     cd "${script_dir}"
@@ -499,7 +400,9 @@ if [[ $is_script_sourced -eq 0 ]]; then
 
     # Setup FVP
     if [[ "${enable_fvps}" -eq 1 ]]; then
+        check_fvp_eula
         setup_fvp
+        install_fvp
     fi
 
     # Setup Vulkan SDK