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7b1f083cd8
RIOT/dist/tools/packer/scripts/toolchains.sh
iosabi 7b1f083cd8 esp8266: Download Espressif RTOS SDK as a new RIOT PKG 
RIOT-OS uses part of Espressif ESP8266 RTOS SDK to build support for
this CPU. The SDK includes some vendor-provided closed source
pre-compiled libraries that we need to modify to adapt to RIOT-OS
usage. This library modifications was done once and uploaded to a fork
of the vendor repository and was provided as an environment variable.

This patch changes two things:

1. It installs the SDK as a RIOT PKG from the new pkg/esp8266_sdk
directory instead of requiring the user to download it separately.

2. It performs the library modifications (symbol renames) on the pkg
Makefile removing the need to use a fork with the modifications applied
and simplifying the SDK update and future modifications.

This change sets the SDK package version (git SHA) to the same one that
our fork was using as a parent in the vendor repository, meaning that
the output libraries are exactly the same as before.

Tested with
```
ESP8266_RTOS_SDK_DIR=/dev/null USEMODULE=esp_log_startup make -C tests/shell BOARD=esp8266-esp-12x flash
```

and verified that the program works. The boot message now includes:
```
ESP8266-RTOS-SDK Version v3.1-51-g913a06a9
```
confirming the SDK version used.

`/dev/null` in the test is just to make sure that no evaluation of
`ESP8266_RTOS_SDK_DIR` in make is affected by the environment variable
value which would be set to the SDK for people who followed the set up
instructions before this change.

Tested the checkout size:
```bash
$ du -hs build/pkg/esp8266_sdk/
124M	build/pkg/esp8266_sdk/
```
2021-10-23 11:13:38 +00:00

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# Install ARM GNU Embedded toolchain
ARM_GCC_URL="https://developer.arm.com/-/media/Files/downloads/gnu-rm"
ARM_GCC_VERSION="9-2019q4"
ARM_GCC_ARCHIVE="gcc-arm-none-eabi-9-2019-q4-major-x86_64-linux.tar.bz2"
ARM_GCC_ARCHIVE_URL="${ARM_GCC_URL}/${ARM_GCC_VERSION}/${ARM_GCC_ARCHIVE}"
cd /opt && wget -nv -O - "${ARM_GCC_ARCHIVE_URL}" | tar -jxf -
echo "export PATH=/opt/gcc-arm-none-eabi-9-2019-q4-major/bin:\$PATH" >> /home/${SSH_USERNAME}/.bashrc
# Install MIPS toolchain
MIPS_VERSION=2018.09-03
curl -L "https://codescape.mips.com/components/toolchain/${MIPS_VERSION}/Codescape.GNU.Tools.Package.${MIPS_VERSION}.for.MIPS.MTI.Bare.Metal.CentOS-6.x86_64.tar.gz" -o - \
| tar -C /opt -zx
rm -rf /opt/mips-mti-elf/*/share/{doc,info,man,locale}
cd /opt/mips-mti-elf/*/mips-mti-elf/bin
for f in *; do test -f "../../bin/mips-mti-elf-$f" && ln -f "../../bin/mips-mti-elf-$f" "$f"; done
cd -
echo "export MIPS_ELF_ROOT=/opt/mips-mti-elf/${MIPS_VERSION}" >> /home/${SSH_USERNAME}/.bashrc
echo "export PATH=\$MIPS_ELF_ROOT/bin:\$PATH" >> /home/${SSH_USERNAME}/.bashrc
# Install MSP430 toolchain
MSP430_URL=https://software-dl.ti.com/msp430/msp430_public_sw/mcu/msp430/MSPGCC/latest/exports
MSP430_VERSION=8.3.0.16_linux64
wget -q ${MSP430_URL}/msp430-gcc-${MSP430_VERSION}.tar.bz2 -O- | tar -C /opt -xj
echo "export PATH=\$PATH:/opt/msp430-gcc-${MSP430_VERSION}/bin" >> /home/${SSH_USERNAME}/.bashrc
# Install RISC-V
RISCV_VERSION=8.2.0-2.2-20190521
RISCV_BUILD=0004
wget -q https://github.com/gnu-mcu-eclipse/riscv-none-gcc/releases/download/v${RISCV_VERSION}/gnu-mcu-eclipse-riscv-none-gcc-${RISCV_VERSION}-${RISCV_BUILD}-centos64.tgz -O- \
| tar -C /opt -xz
rm -rf /opt/gnu-mcu-eclipse/riscv-none-gcc/*/share/doc
cd /opt/gnu-mcu-eclipse/riscv-none-gcc/*/riscv-none-embed/bin
for f in *; do test -f "../../bin/riscv-none-embed-$f" && \
ln -f "../../bin/riscv-none-embed-$f" "$f"; \
done
cd -
echo "export PATH=/opt/gnu-mcu-eclipse/riscv-none-gcc/${RISCV_VERSION}-${RISCV_BUILD}/bin:\$PATH" >> /home/${SSH_USERNAME}/.bashrc
# Install ESP32 toolchain
echo 'Installing ESP32 toolchain'
mkdir -p /opt/esp
cd /opt/esp
git clone https://github.com/espressif/esp-idf.git
cd esp-idf
git checkout -q f198339ec09e90666150672884535802304d23ec
git submodule update --init --recursive
rm -rf .git* docs examples make tools
rm -f add_path.sh CONTRIBUTING.rst Kconfig Kconfig.compiler
cd components
rm -rf app_trace app_update aws_iot bootloader bt coap console cxx \
esp_adc_cal espcoredump esp_http_client esp-tls expat fatfs \
freertos idf_test jsmn json libsodium log lwip mbedtls mdns \
micro-ecc nghttp openssl partition_table pthread sdmmc spiffs \
tcpip_adapter ulp vfs wear_levelling xtensa-debug-module && \
find . -name '*.[csS]' -exec rm {} \;
cd /opt/esp
git clone https://github.com/gschorcht/xtensa-esp32-elf.git && \
cd xtensa-esp32-elf
git checkout -q ca40fb4c219accf8e7c8eab68f58a7fc14cadbab
echo "export PATH=/opt/esp/xtensa-esp32-elf/bin:\$PATH" >> /home/${SSH_USERNAME}/.bashrc
# Install ESP8266 toolchain
# Install complete ESP8266 toolchain in /opt/esp (146 MB after cleanup)
echo 'Installing ESP8266 toolchain' >&2 && \
cd /opt && \
git clone https://github.com/gschorcht/RIOT-Xtensa-ESP8266-toolchain.git esp && \
cd esp && \
git checkout -q df38b06 && \
rm -rf .git
echo "export PATH=\$PATH:/opt/esp/esp-open-sdk/xtensa-lx106-elf/bin" >> /home/${SSH_USERNAME}/.bashrc
echo "export ESP8266_SDK_DIR=/opt/esp/esp-open-sdk/sdk" >> /home/${SSH_USERNAME}/.bashrc
echo "export ESP8266_NEWLIB_DIR=/opt/esp/newlib-xtensa" >> /home/${SSH_USERNAME}/.bashrc
# Install complete ESP8266 toolchain in /opt/esp (125 MB after cleanup)
# remember https://github.com/RIOT-OS/RIOT/pull/10801 when updating
# NOTE: We install the toolchain for the RTOS SDK in parallel in the first
# step and remove the old version as soon as the RIOT port for the ESP8266
# RTOS SDK has been merged.
echo 'Installing ESP8266 toolchain' >&2 && \
mkdir -p /opt/esp && \
cd /opt/esp && \
git clone https://github.com/gschorcht/xtensa-esp8266-elf && \
cd xtensa-esp8266-elf && \
git checkout -q 696257c2b43e2a107d3108b2c1ca6d5df3fb1a6f && \
rm -rf .git
echo "export PATH=\$PATH:/opt/esp/xtensa-esp8266-elf/bin" >> /home/${SSH_USERNAME}/.bashrc
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