scripts/check-binary-sizes

#!/bin/bash

# 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="${PROJECT_ROOT}/mcu_rom/application/target/thumbv6m-none-eabi/release/application.bin"
(
    cd "${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/application"
    cargo +$RUST_VERSION build --release
    arm-none-eabi-objcopy \
        -O binary \
        target/thumbv6m-none-eabi/release/application \
        "$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"