targets: add nuttx interpreter build
JerryScript-DCO-1.0-Signed-off-by: SaeHie Park saehie.park@samsung.com
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SaeHie Park
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László Langó
László Langó
parent
abc95d3db8
commit
ef1252e29e
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### About
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This folder contains files to run JerryScript on NuttX with
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[STM32F4-Discovery with BB](http://www.st.com/web/en/catalog/tools/FM116/SC959/SS1532/LN1199/PF255417)
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### How to build
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#### 1. Preface
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1, Directory structure
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Assume `harmony` as the root folder to the projects to build.
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The folder tree related would look like this.
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```
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harmony
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+ jerryscript
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| + targets
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| + nuttx-stm32f4
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+ nuttx
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| + nuttx
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| + lib
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+ st-link
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```
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2, Target board
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Assume [STM32F4-Discovery with BB](http://www.st.com/web/en/catalog/tools/FM116/SC959/SS1532/LN1199/PF255417)
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as the target board.
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3, Micro SD-Card memory for Script source files
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#### 2. Prepare NuttX
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Follow [this](https://bitbucket.org/seanshpark/nuttx/wiki/Home) page to get
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NuttX source and do the first build. When it stops with and error,
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change default project from `IoT.js` to `JerryScript` as follows;
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2-1) run menuconfig
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```
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# assume you are in nuttx folder where .config exist
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make menuconfig
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```
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2-2) Select `Application Configuration` --> `Interpreters`
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2-3) Check `[*] JerryScript interpreter` (Move cursor to the line and press `Space`)
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2-4) `< Exit >` once on the bottom of the sceen (Press `Right arrow` and `Enter`)
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2-5) Select `System Libraries and NSH Add-Ons`
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2-6) Un-Check `[ ] iotjs program` (Move cursor to the line and press `Space`)
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2-7) `< Exit >` till `menuconfig` ends. Save new configugation when asked.
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2-7) `make` again
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```
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make
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```
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It'll show the last error but it's ok. Nows the time to build JerryScript.
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#### 3. Build JerryScript for NuttX
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```
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# assume you are in harmony folder
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cd jerryscript
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make -f ./targets/nuttx-stm32f4/Makefile.nuttx
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```
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If you have NuttX at another path than described above, you can give the
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absolute path with `NUTTX` variable , for example,
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```
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NUTTX=/home/user/work/nuttx make -f ./targets/nuttx-stm32f4/Makefile.nuttx
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```
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Make will copy three library files to `nuttx/nuttx/lib` folder
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```
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libjerryentry.a
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libjerrycore.a
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libfdlibm.a
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```
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In NuttX, if you run `make clean`, above library files are also removed so you
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may have to build JerryScript again.
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#### 4. Continue build NuttX
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```
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# asssume you are in harmony folder
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cd nuttx/nuttx
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make
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```
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#### 5. Flashing
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Connect Mini-USB for power supply and connect Micro-USB for `NSH` console.
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Please refer [this](https://github.com/Samsung/iotjs/wiki/Build-for-NuttX#prepare-flashing-to-target-board)
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link to prepare `stlink` utility.
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To flash with `Makefile.nuttx`,
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```
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# assume you are in jerryscript folder
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make -f ./targets/nuttx-stm32f4/Makefile.nuttx flash
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```
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#### 6. Cleaning
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To clean the build result,
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```
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make -f ./targets/nuttx-stm32f4/Makefile.nuttx clean
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```
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### Running JerryScript
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Prepare a micro SD-card and prepare `hello.js` like this in the root directory of SD-card.
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```
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print("Hello JerryScript!");
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```
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Power Off(unplug both USB cables), plug the memory card to BB, and power on again.
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You can use `minicom` for terminal program, or any other you may like, but match
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baud rate to `115200`.
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```
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minicom --device=/dev/ttyACM0 --baud=115200
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```
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You may have to press `RESET` on the board and press `Enter` keys on the console
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several times to make `nsh` prompt to appear.
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If the prompt shows like this,
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```
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NuttShell (NSH)
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nsh>
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nsh>
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nsh>
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```
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please set `Add Carriage Ret` option by `CTRL-A` > `Z` > `U` at the console,
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if you're using `minicom`.
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Run `jerryscript` with `hello.js`
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```
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NuttShell (NSH)
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nsh>
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nsh>
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nsh> jerryscript /mnt/sdcard/hello.js
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PARAM 1 : [/mnt/sdcard/hello.js]
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Hello JerryScript!
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```
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Please give absolute path of the script file or may get an error like this.
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```
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nsh> cd /mnt/sdcard
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nsh> jerryscript ./hello.js
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PARAM 1 : [./hello.js]
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Failed to fopen [./hello.js]
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JERRY_STANDALONE_EXIT_CODE_FAIL
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nsh>
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nsh>
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nsh> jerryscript /mnt/sdcard/hello.js
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PARAM 1 : [/mnt/sdcard/hello.js]
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Hello JerryScript!
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```
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