68 lines
2.3 KiB
Bash
Executable File
68 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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LUA_APP_SRC=("$@")
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MAP_FILE=build/nodemcu.map
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LUAC_OUTPUT=build/luac.out
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LUAC_CROSS=build/luac_cross/luac.cross
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if [ ! -f "${MAP_FILE}" ]; then
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echo "Error: ${MAP_FILE} not found. Please run make first."
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exit 1
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fi
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if [ ! -f "${LUAC_CROSS}" ]; then
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echo "Error: ${LUAC_CROSS} not found. Please run make first."
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exit 1
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fi
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# Extract the line containing the data size of the LFS object, filtering out
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# lines for .bss/.data/.text, sorting the remaining two entries (actual LFS
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# data and (optional) riscv attributes) so we can discard the latter if
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# present. If the map file was a bit saner with its line breaks this would
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# have been a straight forward grep for for .rodata.embedded.*lua.flash.store
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LFS_SIZE_ADDR=$(grep -E "0x[0-9a-f]+[ ]+0x[0-9a-f]+[ ]+esp-idf/embedded_lfs/libembedded_lfs.a\(lua.flash.store.reserved.S.obj\)" "${MAP_FILE}" | grep -v '^ \.' | awk '{print $2,$1}' | sort -n -k 1.3 | tail -1)
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if [ -z "${LFS_SIZE_ADDR}" ]; then
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echo "Error: LFS segment not found. Use 'make clean; make' perhaps?"
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exit 1
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fi
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LFS_ADDR=$(echo "${LFS_SIZE_ADDR}" | cut -d ' ' -f 2)
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if [ -z "${LFS_ADDR}" ]; then
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echo "Error: LFS segment address not found"
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exit 1
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fi
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# The reported size is +4 due to the length field added by the IDF
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LFS_SIZE=$(( $(echo "${LFS_SIZE_ADDR}" | cut -d ' ' -f 1) - 4 ))
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if [ -z "${LFS_SIZE}" ]; then
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echo "Error: LFS segment size not found"
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exit 1
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fi
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printf "LFS segment address %s, length %s (0x%x)\n" "${LFS_ADDR}" "${LFS_SIZE}" "${LFS_SIZE}"
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if ${LUAC_CROSS} -v | grep -q 'Lua 5.1'
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then
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echo "Generating Lua 5.1 LFS image..."
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${LUAC_CROSS} -a "${LFS_ADDR}" -m ${LFS_SIZE} -o ${LUAC_OUTPUT} "${LUA_APP_SRC[@]}"
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else
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set -e
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echo "Generating intermediate Lua 5.3 LFS image..."
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${LUAC_CROSS} -f -m ${LFS_SIZE} -o ${LUAC_OUTPUT}.tmp "${LUA_APP_SRC[@]}"
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echo "Converting to absolute LFS image..."
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${LUAC_CROSS} -F ${LUAC_OUTPUT}.tmp -a "${LFS_ADDR}" -o ${LUAC_OUTPUT}
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rm ${LUAC_OUTPUT}.tmp
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fi
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# shellcheck disable=SC2181
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if [ $? != 0 ]; then
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echo "Error: luac.cross failed"
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exit 1
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else
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echo "Generated $(stat -c "%s" ${LUAC_OUTPUT}) bytes of LFS data"
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fi
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# cmake depencies don't seem to pick up the change to luac.out?
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rm -f build/lua.flash.store.reserved
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echo "Re-linking nodemcu binary by invoking IDF build..."
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make >/dev/null
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echo "Done."
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