scripts/check-binary-sizes

#!/bin/bash

# Copyright 2021 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# Builds code and prints binary sizes. For now, this only reports sizes of MCU
# binaries as that is by far the most space-constrained.

PROJECT_ROOT=$(realpath "$(dirname "${BASH_SOURCE[0]}")"/..)

source "${PROJECT_ROOT}/environment"

set -e
STAGE0="${PROJECT_ROOT}/mcu_rom/stage0/target/thumbv6m-none-eabi/release/stage0.bin"
STAGE1="${PROJECT_ROOT}/mcu_rom/stage1/target/thumbv6m-none-eabi/release/stage1.bin"
APPLICATION="${PROJECT_ROOT}/mcu_rom/stm32g0_application/target/thumbv6m-none-eabi/release/stm32g0_application.bin"
(
    cd "${PROJECT_ROOT}/mcu_rom/stage0"
    cargo "+${RUST_VERSION}" build --release
    arm-none-eabi-objcopy \
        -O binary \
        target/thumbv6m-none-eabi/release/stage0 \
        "${STAGE0}"
)
(
    cd "${PROJECT_ROOT}/mcu_rom/stage1"
    cargo "+${RUST_VERSION}" build --release
    arm-none-eabi-objcopy \
        -O binary \
        target/thumbv6m-none-eabi/release/stage1 \
        "${STAGE1}"
)
(
    cd "${PROJECT_ROOT}/mcu_rom/stm32g0_application"
    cargo "+${RUST_VERSION}" build --release
    arm-none-eabi-objcopy \
        -O binary \
        target/thumbv6m-none-eabi/release/stm32g0_application \
        "${APPLICATION}"
)
echo
STAGE0_SIZE=$(stat --printf='%s' "${STAGE0}")
STAGE1_SIZE=$(stat --printf='%s' "${STAGE1}")
APPLICATION_SIZE=$(stat --printf='%s' "${APPLICATION}")
echo "Stage0: ${STAGE0_SIZE} bytes"
echo "Stage1: ${STAGE1_SIZE} bytes"
echo "Application: ${APPLICATION_SIZE} bytes"