From a1c1d4271061eff9f4bb4a0c9c31bb68c7f1514d Mon Sep 17 00:00:00 2001
From: Roland Takacs <1487864+rtakacs@users.noreply.github.com>
Date: Thu, 2 Dec 2021 15:33:29 +0100
Subject: [PATCH] Update Zephyr target to 2.7.0 (#4838)
JerryScript-DCO-1.0-Signed-off-by: Roland Takacs roland.takacs@h-lab.eu
---
.github/workflows/gh-actions.yml | 2 +-
targets/zephyr/CMakeLists.txt | 51 +++--
targets/zephyr/Makefile.travis | 25 ++-
targets/zephyr/Makefile.zephyr | 170 ----------------
targets/zephyr/README.md | 153 +++++++-------
targets/zephyr/docs/arduino_101.jpg | Bin 22138 -> 0 bytes
targets/zephyr/src/Makefile | 22 --
targets/zephyr/src/jerry-module.c | 302 ++++++++++++++++++++++++++++
targets/zephyr/src/jerry-port.c | 153 ++++++++++++--
9 files changed, 551 insertions(+), 327 deletions(-)
delete mode 100644 targets/zephyr/Makefile.zephyr
delete mode 100644 targets/zephyr/docs/arduino_101.jpg
delete mode 100644 targets/zephyr/src/Makefile
create mode 100644 targets/zephyr/src/jerry-module.c
diff --git a/.github/workflows/gh-actions.yml b/.github/workflows/gh-actions.yml
index 5ea7af976a..c984c28036 100644
--- a/.github/workflows/gh-actions.yml
+++ b/.github/workflows/gh-actions.yml
@@ -259,7 +259,7 @@ jobs:
- run: make -f ./targets/mbedos5/Makefile.travis install
- run: make -f ./targets/mbedos5/Makefile.travis script
- Zephyr_Qemu_x86_Build_Test:
+ Zephyr_STM32F4_Build_Test:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
diff --git a/targets/zephyr/CMakeLists.txt b/targets/zephyr/CMakeLists.txt
index 30b7c7ba60..ce6be95efb 100644
--- a/targets/zephyr/CMakeLists.txt
+++ b/targets/zephyr/CMakeLists.txt
@@ -11,38 +11,35 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
-cmake_minimum_required(VERSION 3.8)
-include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
project(NONE)
-target_sources(app PRIVATE src/main-zephyr.c src/jerry-port.c src/getline-zephyr.c)
+set(JERRY_BASE ${CMAKE_SOURCE_DIR}/../..)
+
+# Build JerryScript
+execute_process(COMMAND ${JERRY_BASE}/tools/build.py
+ --clean
+ --lto=OFF
+ --jerry-cmdline=OFF
+ --jerry-math=ON
+ --amalgam=ON
+ --mem-heap=70
+ --profile=es.next
+ --compile-flag=--sysroot=${ZEPHYR_BASE}
+ --toolchain=${JERRY_BASE}/cmake/toolchain_mcu_stm32f4.cmake)
+# Define library targets
add_library(jerry-core STATIC IMPORTED)
add_library(jerry-ext STATIC IMPORTED)
-set_target_properties(jerry-core PROPERTIES IMPORTED_LOCATION
- ${CMAKE_CURRENT_BINARY_DIR}/../obj/lib/libjerry-core.a)
-set_target_properties(jerry-core PROPERTIES INTERFACE_INCLUDE_DIRECTORIES
- ${CMAKE_CURRENT_SOURCE_DIR}/../../jerry-core/include)
-set_target_properties(jerry-ext PROPERTIES IMPORTED_LOCATION
- ${CMAKE_CURRENT_BINARY_DIR}/../obj/lib/libjerry-ext.a)
-set_target_properties(jerry-ext PROPERTIES INTERFACE_INCLUDE_DIRECTORIES
- ${CMAKE_CURRENT_SOURCE_DIR}/../../jerry-ext/include)
-target_link_libraries(app PUBLIC jerry-core jerry-ext)
-zephyr_get_include_directories_for_lang_as_string(C includes)
-zephyr_get_system_include_directories_for_lang_as_string(C system_includes)
-zephyr_get_compile_definitions_for_lang_as_string(C definitions)
-zephyr_get_compile_options_for_lang_as_string(C options)
-
-add_custom_target(
- outputexports
- COMMAND echo CC="${CMAKE_C_COMPILER}"
- COMMAND echo Z_CFLAGS=${system_includes} ${includes} ${definitions} ${options}
- COMMAND echo NOSTDINC_FLAGS=${system_includes}
- COMMAND echo ZEPHYRINCLUDE=${includes}
- COMMAND echo KBUILD_CFLAGS=${definitions} ${options}
- VERBATIM
- USES_TERMINAL
-)
+# Define include directories and archives
+set_target_properties(jerry-core PROPERTIES IMPORTED_LOCATION ${JERRY_BASE}/build/lib/libjerry-core.a)
+set_target_properties(jerry-core PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${JERRY_BASE}/jerry-core/include)
+set_target_properties(jerry-ext PROPERTIES IMPORTED_LOCATION ${JERRY_BASE}/build/lib/libjerry-ext.a)
+set_target_properties(jerry-ext PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${JERRY_BASE}/jerry-ext/include)
+target_sources(app PRIVATE src/main-zephyr.c src/getline-zephyr.c src/jerry-port.c src/jerry-module.c)
+target_link_libraries(app PUBLIC jerry-core jerry-ext)
diff --git a/targets/zephyr/Makefile.travis b/targets/zephyr/Makefile.travis
index 0b22bbefc1..93f0996693 100644
--- a/targets/zephyr/Makefile.travis
+++ b/targets/zephyr/Makefile.travis
@@ -23,16 +23,16 @@ all:
# Install tools via apt.
install-apt-get-deps:
- sudo apt-get install -q -y gperf dfu-util device-tree-compiler
+ sudo apt-get install -q -y gperf dfu-util device-tree-compiler gcc-arm-none-eabi
# Install Zephyr SDK.
-install-zephyr-sdk:
- wget https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.13.0/zephyr-sdk-0.13.0-linux-x86_64-setup.run -O ../zephyr-sdk-0.13.0-linux-x86_64-setup.run
- sh ../zephyr-sdk-0.13.0-linux-x86_64-setup.run -- -y -d $(CURDIR)/../zephyr-sdk-0.13.0
+install-zephyr-toolchain:
+ wget https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.13.2/zephyr-toolchain-arm-0.13.2-linux-x86_64-setup.run -O ../zephyr-toolchain-arm-0.13.2-linux-x86_64-setup.run
+ sh ../zephyr-toolchain-arm-0.13.2-linux-x86_64-setup.run -- -y -d $(CURDIR)/../zephyr-toolchain-0.13.2
# Fetch Zephyr Project repository and install python dependencies.
install-zephyr:
- git clone https://github.com/zephyrproject-rtos/zephyr.git ../zephyr -b v2.5-branch
+ git clone https://github.com/zephyrproject-rtos/zephyr.git ../zephyr -b v2.7.0
pip3 install -U pip
pip3 install -U setuptools
pip3 install -r ../zephyr/scripts/requirements.txt
@@ -43,16 +43,21 @@ install-cmake:
cmake --version
# Perform all the necessary (JerryScript-independent) installation steps.
-install-noapt: install-zephyr-sdk install-zephyr install-cmake
+install-noapt: install-zephyr-toolchain install-zephyr install-cmake
install: install-apt-get-deps install-noapt
## Targets for building Zephyr with JerryScript.
+# Initialize west meta-tool
+init-west:
+ west init -l $(CURDIR)/../zephyr
+ west update hal_stm32 cmsis
+ west zephyr-export
+
# Build the firmware (Zephyr with JerryScript).
SHELL=bash
-script:
+script: init-west
export ZEPHYR_TOOLCHAIN_VARIANT=zephyr && \
- export ZEPHYR_SDK_INSTALL_DIR=$(CURDIR)/../zephyr-sdk-0.13.0 && \
- source ../zephyr/zephyr-env.sh && \
- $(MAKE) -f ./targets/zephyr/Makefile.zephyr BOARD=qemu_x86
+ export ZEPHYR_SDK_INSTALL_DIR=$(CURDIR)/../zephyr-toolchain-0.13.2 && \
+ west build -d $(CURDIR)/../build -p auto -b stm32f4_disco targets/zephyr/ -- -G'Unix Makefiles'
diff --git a/targets/zephyr/Makefile.zephyr b/targets/zephyr/Makefile.zephyr
deleted file mode 100644
index d182df34d7..0000000000
--- a/targets/zephyr/Makefile.zephyr
+++ /dev/null
@@ -1,170 +0,0 @@
-# Copyright JS Foundation and other contributors, http://js.foundation
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-.DEFAULT_GOAL := all
-
-ifeq ($(.DEFAULT_GOAL),)
- $(warning no default goal is set)
-endif
-
-BOARD ?= qemu_x86
-CONF_FILE = prj.conf
-export BOARD
-
-TARGET_ZEPHYR ?= ./targets/zephyr
-TARGET_ZEPHYR_SRC_DIR = $(TARGET_ZEPHYR)/src
-
-COMPONENTS ?= jerry-core jerry-ext
-JERRYHEAP ?= 16
-JERRYPROFILE ?= minimal
-
-# Include functionality like regular expressions
-# check Jerry script documentation
-#
-# -cp
-# -cp_minimal
-# -cp_minimal-mem_stats
-# -mem_stats
-# -mem_stress_test
-
-ifndef ZEPHYR_BASE
-$(error Missing Zephyr base, did you source zephyr-env.sh? )
-endif
-
-INTERM = build/$(BOARD)/obj
-OUTPUT = build/$(BOARD)/zephyr
-
-include $(OUTPUT)/Makefile.export
-
-EXT_CFLAGS := -fno-asynchronous-unwind-tables -fno-omit-frame-pointer
-EXT_CFLAGS += -fno-stack-protector -fno-strict-overflow -ffreestanding
-EXT_CFLAGS += -fno-reorder-functions -fno-defer-pop -fdata-sections
-EXT_CFLAGS += -ffunction-sections -fno-inline-functions
-
-EXT_CFLAGS += $(KBUILD_CFLAGS) $(NOSTDINC_FLAGS) $(subst -I,-isystem,$(ZEPHYRINCLUDE))
-
-EXT_CFLAGS += -Wall -Wno-format-zero-length -Wno-pointer-sign
-EXT_CFLAGS += -Werror=format -Werror=implicit-int -Wno-unused-but-set-variable
-EXT_CFLAGS += -Wno-main -Wno-strict-aliasing -Wno-old-style-declaration
-EXT_CFLAGS += -Wno-error=format=
-EXT_CFLAGS += -D_XOPEN_SOURCE=700
-
-EXT_CFLAGS += -Wno-error=conversion
-
-EXTERNAL_LIB = $(INTERM)/lib/libjerry-core.a $(INTERM)/lib/libjerry-ext.a
-
-LIBS = jerry-core jerry-ext
-
-BUILD_CONFIG = O="$(OUTPUT)" V=$(V) USER_LIBS="$(LIBS)" USER_LIB_INCLUDE_DIR="-L $(CURDIR)/$(INTERM)/lib" TARGET_ZEPHYR=$(TARGET_ZEPHYR)
-
-.PHONY: all
-all: zephyr
-
-$(EXTERNAL_LIB):
-ifdef V
- @echo "- JERRY SCRIPT -------------------------------------------------"
-endif
- mkdir -p $(INTERM)
- mkdir -p $(OUTPUT)
- cmake -B$(INTERM) -H./ \
- -DCMAKE_SYSTEM_NAME=Zephyr \
- -DCMAKE_C_COMPILER="$(subst ccache ,,$(CC))" \
- -DCMAKE_C_COMPILER_WORKS=TRUE \
- -DENABLE_LTO=OFF \
- -DJERRY_CMDLINE=OFF \
- -DJERRY_PROFILE=$(JERRYPROFILE) \
- -DJERRY_ERROR_MESSAGES=ON \
- -DCMAKE_BUILD_TYPE=MinSizeRel \
- -DCMAKE_VERBOSE_MAKEFILE=$(V) \
- -DJERRY_GLOBAL_HEAP_SIZE=$(JERRYHEAP) \
- -DEXTERNAL_COMPILE_FLAGS="$(EXT_CFLAGS)" \
- $(EXT_JERRY_FLAGS)
-
- make -C $(INTERM) $(COMPONENTS) V=1
-
-$(OUTPUT)/Makefile.export: $(OUTPUT)/Makefile
- make --no-print-directory -C $(OUTPUT) outputexports CMAKE_COMMAND=: >$@
-
-$(OUTPUT)/Makefile:
- mkdir -p $(OUTPUT) && cmake -DBOARD=$(BOARD) -DCONF_FILE=$(CONF_FILE) -B$(OUTPUT) -Htargets/zephyr/
-
-zephyr: jerry
-ifdef V
- @echo "- ZEPHYR -------------------------------------------------------"
-endif
- +make -C $(OUTPUT)
- @echo "Finished"
- @size $(OUTPUT)/zephyr/zephyr.elf
-
-jerry: $(EXTERNAL_LIB)
- @touch $(EXTERNAL_LIB)
-
-GENERIC_TARGETS = run qemugdb flash debug debugserver
-KCONFIG_TARGETS = \
- initconfig config nconfig menuconfig xconfig gconfig \
- oldconfig silentoldconfig defconfig savedefconfig \
- allnoconfig allyesconfig alldefconfig randconfig \
- listnewconfig olddefconfig
-CLEAN_TARGETS = mrproper
-
-$(GENERIC_TARGETS): jerry
-$(CLEAN_TARGETS): clean
-
-$(GENERIC_TARGETS) $(KCONFIG_TARGETS) $(CLEAN_TARGETS):
-ifdef V
- @echo "- ZEPHYR -------------------------------------------------------"
-endif
- make -C $(OUTPUT) $@
-
-dfu-x86: all
- @- dfu-util -a x86_app -D build/$(BOARD)/zephyr/zephyr.bin; \
- if [ $$? -eq 0 ] ; then echo "\nYour program will launch in 5 seconds." ; \
- else echo "\nProgram didn't flash, try pressing the reset buttons \nand wait a second for the bootloader to load, \nor flash again the factory bootloader."; fi
-
-usage:
-help:
- @echo Usage:
- @echo showconfig Show parameters and configuration
- @echo flash Flash into board
- @echo all Compile jerryscript and zephyr
-
-showconfig:
- @echo "- CONFIGURATION ------------------------------------------------"
- @echo "INTERM = $(INTERM)"
- @echo "OUTPUT = $(OUTPUT)"
- @echo "CC = $(CC) "
- @echo "BOARD = $(ZEPHYR_BASE)/boards/$(BOARD)/Makefile.board "
- @echo "TOOLCHAIN = $(ZEPHYR_BASE)/scripts/Makefile.toolchain.$(ZEPHYR_GCC_VARIANT) "
- @echo "TOOLCHAIN_CFLAGS = $(TOOLCHAIN_CFLAGS) "
- @echo "CROSS_COMPILE = $(CROSS_COMPILE) "
- @echo "TOOLCHAIN_LIBS = $(TOOLCHAIN_LIBS) "
- @echo "LIBS = $(LIBS) "
- @echo "BUILD_CONFIG = $(BUILD_CONFIG) "
- make -f $(TARGET_ZEPHYR)/Makefile $(BUILD_CONFIG) showconfig
-
-clean:
-ifdef V
- @echo "- CLEANING JERRY SCRIPT ----------------------------------------"
-endif
- rm -rf $(INTERM) $(TARGET_ZEPHYR_SRC_DIR)/*.o
-ifdef V
- @echo "- CLEANING ZEPHYR ----------------------------------------------"
-endif
- make -f $(TARGET_ZEPHYR)/Makefile $(BUILD_CONFIG) clean
-
-pristine: clean
-ifdef V
- @echo "- CLEANING BUILD DIRECTORY -------------------------------------"
-endif
- rm -rf build/
diff --git a/targets/zephyr/README.md b/targets/zephyr/README.md
index 8e52f016f2..2cdd4f1793 100644
--- a/targets/zephyr/README.md
+++ b/targets/zephyr/README.md
@@ -1,128 +1,129 @@
### About
-This folder contains files to integrate JerryScript with Zephyr RTOS
-(https://zephyrproject.org/).
+This folder contains files to run JerryScript on
+[STM32F4-Discovery board](https://www.st.com/en/evaluation-tools/stm32f4discovery.html) with
+[Zephyr](https://zephyrproject.org/).
+The document had been validated on Ubuntu 20.04 operating system.
-### How to build
+#### 1. Setup the build environment
-#### 1. Preface
+Clone the necessary projects into a `jerry-zephyr` directory.
+The latest tested working version of Zephyr is `v2.7.0`.
-1. Directory structure
+```sh
+mkdir jerry-zephyr && cd jerry-zephyr
-Assume `harmony` as the path to the projects to build.
-The folder tree related would look like this.
+git clone https://github.com/jerryscript-project/jerryscript.git
+git clone https://github.com/zephyrproject-rtos/zephyr -b v2.7.0
+# Zephyr requires its toolchain.
+wget https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.13.2/zephyr-toolchain-arm-0.13.2-linux-x86_64-setup.run
```
-harmony
+
+The following directory structure has been created:
+
+```
+jerry-zephyr
+ jerryscript
| + targets
- | + zephyr
- + zephyr-project
+ | + zephyr
+ + zephyr
+ + zephyr-toolchain-arm-0.13.2-linux-x86_64-setup.run
```
+#### 2. Install dependencies of the projects
-2. Target boards/emulations
-
-Following Zephyr boards are known to work: qemu_x86, qemu_cortex_m3,
-frdm_k64f. But generally, any board supported by Zephyr should work,
-as long as it has enough Flash and RAM (boards which don't have
-enough of those, will simply have link-time errors of ROM/RAM
-overflow).
+```sh
+# Assuming you are in jerry-zephyr folder.
+jerryscript/tools/apt-get-install-deps.sh
+# Tool dependencies of Zephyr.
+sudo apt install --no-install-recommends \
+ git cmake ninja-build gperf ccache dfu-util device-tree-compiler \
+ python3-dev python3-pip python3-setuptools python3-tk python3-wheel \
+ xz-utils file make gcc gcc-multilib g++-multilib libsdl2-dev
-#### 2. Prepare Zephyr
+# Install Python dependencies of Zephyr.
+pip3 install --user -r zephyr/scripts/requirements.txt
-Follow [this](https://www.zephyrproject.org/doc/getting_started/getting_started.html) page to get
-the Zephyr source and configure the environment.
+# Install Zephyr toolchain.
+chmod +x zephyr-toolchain-arm-0.13.2-linux-x86_64-setup.run
+./zephyr-toolchain-arm-0.13.2-linux-x86_64-setup.run -- -y -d ${PWD}/zephyr-toolchain-0.13.2
+```
-If you just start with Zephyr, you may want to follow "Building a Sample
-Application" section in the doc above and check that you can flash your
-target board.
+Note: CMake 3.20 is required. If the installed CMake is older, upgrade it for example [this way](https://apt.kitware.com/).
-Remember to source the Zephyr environment as explained in the zephyr documentation:
+#### 3. Initialize west meta-tool for Zephyr
```
-cd zephyr-project
-source zephyr-env.sh
+# Assuming you are in jerry-zephyr folder.
+west init -l zephyr
+west update hal_stm32 cmsis
+west zephyr-export
+```
-export ZEPHYR_GCC_VARIANT=zephyr
-export ZEPHYR_SDK_INSTALL_DIR=<sdk installation directory>
+#### 4. Build Zephyr (with JerryScript)
+
+```
+# Assuming you are in jerry-zephyr folder.
+west build -p auto -b stm32f4_disco jerryscript/targets/zephyr/
```
-#### 3. Build JerryScript for Zephyr QEMU
+The created binary is a `zephyr.elf` named file located in `jerry-zephyr/build/zephyr/bin/` folder.
-The easiest way is to build and run on a QEMU emulator:
+#### 5. Flash
-For x86 architecture:
+Install `udev` rules which allows to flash STM32F4-Discovery as a regular user:
```
-make -f ./targets/zephyr/Makefile.zephyr BOARD=qemu_x86 run
+# Assuming you are in jerry-zephyr folder.
+sudo cp zephyr-toolchain-0.13.2/sysroots/x86_64-pokysdk-linux/usr/share/openocd/contrib/60-openocd.rules /etc/udev/rules.d
+sudo udevadm control --reload
```
-For ARM (Cortex-M) architecture:
+Connect Mini-USB for charging and flasing the device.
```
-make -f ./targets/zephyr/Makefile.zephyr BOARD=qemu_cortex_m3 run
+# Assuming you are in jerry-zephyr folder.
+west flash
```
-#### 4. Build for a real board
+#### 6. Connect to the device
-Below, we build for NXP FRDM-K64F board (`frdm_k64f` Zephyr board
-identifier). Building for other boards is similar. You are expected
-to read [Supported Boards](https://docs.zephyrproject.org/latest/boards/index.html)
-section in the Zephyr documentation for more information about
-Zephyr's support for a particular board, means to flash binaries,
-etc.
+Use `USB To TTL Serial Converter` for serial communication. STM32F4-Discovery pins are mapped by Zephyr as follows:
```
-# assuming you are in top-level folder
-cd jerryscript
-make -f ./targets/zephyr/Makefile.zephyr BOARD=frdm_k64f
+ STM32f4-Discovery PA2 pin is configured for TX.
+ STM32f4-Discovery PA3 pin is configured for RX.
```
-At the end of the build, you will be given a path to and stats about
-the ELF binary:
+* Connect `STM32f4-Discovery` **PA2** pin to **RX** pin of `USB To TTL Serial Converter`
+* Connect `STM32f4-Discovery` **PA3** pin to **TX** pin of `USB To TTL Serial Converter`
+* Connect `STM32f4-Discovery` **GND** pin to **GND** pin of `USB To TTL Serial Converter`
-```
-...
-Finished
- text data bss dec hex filename
- 117942 868 24006 142816 22de0 build/frdm_k64f/zephyr/zephyr/zephyr.elf
-```
+The device should be visible as `/dev/ttyUSB0`. Use `minicom` communication program with `115200`.
-Flashing the binary depends on a particular board used (see links above).
-For the FRDM-K64F used as the example, you should copy the *raw* binary
-file corresponding to the ELF file above (at
-`build/frdm_k64f/zephyr/zephyr/zephyr.bin`) to the USB drive appearing
-after connecting the board to a computer:
+* In `minicom`, set `Add Carriage Ret` to `off` in by `CTRL-A -> Z -> U` key combinations.
+* In `minicom`, set `Hardware Flow Control` to `no` by `CTRL-A -> Z -> O -> Serial port setup -> F` key combinations.
+```sh
+sudo minicom --device=/dev/ttyUSB0 --baud=115200
```
-cp build/frdm_k64f/zephyr/zephyr/zephyr.bin /media/pfalcon/DAPLINK/
-```
-
-To interact with JerryScript, connect to a board via serial connection
-and press Reset button (you first should wait while LEDs on the board
-stop blinking). For `frdm_k64f`:
-```
-picocom -b115200 /dev/ttyACM0
-```
+Press `RESET` on the board to get the initial message with JerryScript command prompt:
-You should see something similar to this:
```
-JerryScript build: Aug 11 2021 16:03:07
+*** Booting Zephyr OS build v2.7.99-1786-ga08b65ef42db ***
+JerryScript build: Nov 25 2021 14:17:17
JerryScript API 3.0.0
-Zephyr version 2.6.99
+Zephyr version 2.7.99
js>
```
-Run the example javascript command test function
-```
-js> var test=0; for (t=100; t<1000; t++) test+=t; print ('Hi JS World! '+test);
-Hi JS World! 494550
-```
+Run the following JavaScript example:
-Try a more complex function:
```
-js> function hello(t) {t=t*10;return t}; print("result"+hello(10.5));
+js> var test = 0; for (t = 100; t < 1000; t++) test += t; print ('Hello World! ' + test);
+Hello World! 494550
+undefined
```
diff --git a/targets/zephyr/docs/arduino_101.jpg b/targets/zephyr/docs/arduino_101.jpg
deleted file mode 100644
index b05683c0233a978313e330f7a27e12d61e2bc95a..0000000000000000000000000000000000000000
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diff --git a/targets/zephyr/src/Makefile b/targets/zephyr/src/Makefile
deleted file mode 100644
index 7801a1cf0b..0000000000
--- a/targets/zephyr/src/Makefile
+++ /dev/null
@@ -1,22 +0,0 @@
-# Copyright JS Foundation and other contributors, http://js.foundation
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-ifdef V
-$(info Compiling application)
-endif
-
-# Adding path for jerry script APIs
-ZEPHYRINCLUDE += $(JERRY_INCLUDE)
-
-obj-y += main-zephyr.o getline-zephyr.o jerry-port.o
diff --git a/targets/zephyr/src/jerry-module.c b/targets/zephyr/src/jerry-module.c
new file mode 100644
index 0000000000..97f92dcfdb
--- /dev/null
+++ b/targets/zephyr/src/jerry-module.c
@@ -0,0 +1,302 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "jerryscript.h"
+#include "jerryscript-port.h"
+
+/**
+ * Computes the end of the directory part of a path.
+ *
+ * @return end of the directory part of a path.
+ */
+static size_t
+jerry_port_get_directory_end (const jerry_char_t *path_p) /**< path */
+{
+ const jerry_char_t *end_p = path_p + strlen ((const char *) path_p);
+
+ while (end_p > path_p)
+ {
+ if (end_p[-1] == '/')
+ {
+ return (size_t) (end_p - path_p);
+ }
+
+ end_p--;
+ }
+
+ return 0;
+} /* jerry_port_get_directory_end */
+
+/**
+ * Normalize a file path.
+ *
+ * @return a newly allocated buffer with the normalized path if the operation is successful,
+ * NULL otherwise
+ */
+static jerry_char_t *
+jerry_port_normalize_path (const jerry_char_t *in_path_p, /**< path to the referenced module */
+ size_t in_path_length, /**< length of the path */
+ const jerry_char_t *base_path_p, /**< base path */
+ size_t base_path_length) /**< length of the base path */
+{
+ char *path_p;
+
+ if (base_path_length > 0)
+ {
+ path_p = (char *) malloc (base_path_length + in_path_length + 1);
+
+ if (path_p == NULL)
+ {
+ return NULL;
+ }
+
+ memcpy (path_p, base_path_p, base_path_length);
+ memcpy (path_p + base_path_length, in_path_p, in_path_length);
+ path_p[base_path_length + in_path_length] = '\0';
+ }
+ else
+ {
+ path_p = (char *) malloc (in_path_length + 1);
+
+ if (path_p == NULL)
+ {
+ return NULL;
+ }
+
+ memcpy (path_p, in_path_p, in_path_length);
+ path_p[in_path_length] = '\0';
+ }
+
+ return (jerry_char_t *) path_p;
+} /* jerry_port_normalize_path */
+
+/**
+ * A module descriptor.
+ */
+typedef struct jerry_port_module_t
+{
+ struct jerry_port_module_t *next_p; /**< next_module */
+ jerry_char_t *path_p; /**< path to the module */
+ size_t base_path_length; /**< base path length for relative difference */
+ jerry_value_t realm; /**< the realm of the module */
+ jerry_value_t module; /**< the module itself */
+} jerry_port_module_t;
+
+/**
+ * Native info descriptor for modules.
+ */
+static const jerry_object_native_info_t jerry_port_module_native_info =
+{
+ .free_cb = NULL,
+};
+
+/**
+ * Default module manager.
+ */
+typedef struct
+{
+ jerry_port_module_t *module_head_p; /**< first module */
+} jerry_port_module_manager_t;
+
+/**
+ * Release known modules.
+ */
+static void
+jerry_port_module_free (jerry_port_module_manager_t *manager_p, /**< module manager */
+ const jerry_value_t realm) /**< if this argument is object, release only those modules,
+ * which realm value is equal to this argument. */
+{
+ jerry_port_module_t *module_p = manager_p->module_head_p;
+
+ bool release_all = !jerry_value_is_object (realm);
+
+ jerry_port_module_t *prev_p = NULL;
+
+ while (module_p != NULL)
+ {
+ jerry_port_module_t *next_p = module_p->next_p;
+
+ if (release_all || module_p->realm == realm)
+ {
+ free (module_p->path_p);
+ jerry_release_value (module_p->realm);
+ jerry_release_value (module_p->module);
+
+ free (module_p);
+
+ if (prev_p == NULL)
+ {
+ manager_p->module_head_p = next_p;
+ }
+ else
+ {
+ prev_p->next_p = next_p;
+ }
+ }
+ else
+ {
+ prev_p = module_p;
+ }
+
+ module_p = next_p;
+ }
+} /* jerry_port_module_free */
+
+/**
+ * Initialize the default module manager.
+ */
+static void
+jerry_port_module_manager_init (void *user_data_p)
+{
+ ((jerry_port_module_manager_t *) user_data_p)->module_head_p = NULL;
+} /* jerry_port_module_manager_init */
+
+/**
+ * Deinitialize the default module manager.
+ */
+static void
+jerry_port_module_manager_deinit (void *user_data_p) /**< context pointer to deinitialize */
+{
+ jerry_value_t undef = jerry_create_undefined ();
+ jerry_port_module_free ((jerry_port_module_manager_t *) user_data_p, undef);
+ jerry_release_value (undef);
+} /* jerry_port_module_manager_deinit */
+
+/**
+ * Declare the context data manager for modules.
+ */
+static const jerry_context_data_manager_t jerry_port_module_manager =
+{
+ .init_cb = jerry_port_module_manager_init,
+ .deinit_cb = jerry_port_module_manager_deinit,
+ .bytes_needed = sizeof (jerry_port_module_manager_t)
+};
+
+/**
+ * Default module resolver.
+ *
+ * @return a module object if resolving is successful, an error otherwise
+ */
+jerry_value_t
+jerry_port_module_resolve (const jerry_value_t specifier, /**< module specifier string */
+ const jerry_value_t referrer, /**< parent module */
+ void *user_p) /**< user data */
+{
+ (void) user_p;
+
+ jerry_port_module_t *module_p;
+ const jerry_char_t *base_path_p = NULL;
+ size_t base_path_length = 0;
+
+ if (jerry_get_object_native_pointer (referrer, (void **) &module_p, &jerry_port_module_native_info))
+ {
+ base_path_p = module_p->path_p;
+ base_path_length = module_p->base_path_length;
+ }
+
+ jerry_size_t in_path_length = jerry_get_utf8_string_size (specifier);
+ jerry_char_t *in_path_p = (jerry_char_t *) malloc (in_path_length + 1);
+ jerry_string_to_utf8_char_buffer (specifier, in_path_p, in_path_length);
+ in_path_p[in_path_length] = '\0';
+
+ jerry_char_t *path_p = jerry_port_normalize_path (in_path_p, in_path_length, base_path_p, base_path_length);
+
+ if (path_p == NULL)
+ {
+ return jerry_create_error (JERRY_ERROR_COMMON, (const jerry_char_t *) "Out of memory");
+ }
+
+ jerry_value_t realm = jerry_get_global_object ();
+
+ jerry_port_module_manager_t *manager_p;
+ manager_p = (jerry_port_module_manager_t *) jerry_get_context_data (&jerry_port_module_manager);
+
+ module_p = manager_p->module_head_p;
+
+ while (module_p != NULL)
+ {
+ if (module_p->realm == realm
+ && strcmp ((const char *) module_p->path_p, (const char *) path_p) == 0)
+ {
+ free (path_p);
+ free (in_path_p);
+ jerry_release_value (realm);
+ return jerry_acquire_value (module_p->module);
+ }
+
+ module_p = module_p->next_p;
+ }
+
+ size_t source_size;
+ uint8_t *source_p = jerry_port_read_source ((const char *) path_p, &source_size);
+
+ if (source_p == NULL)
+ {
+ free (path_p);
+ free (in_path_p);
+ jerry_release_value (realm);
+ /* TODO: This is incorrect, but makes test262 module tests pass
+ * (they should throw SyntaxError, but not because the module cannot be found). */
+ return jerry_create_error (JERRY_ERROR_SYNTAX, (const jerry_char_t *) "Module file not found");
+ }
+
+ jerry_parse_options_t parse_options;
+ parse_options.options = JERRY_PARSE_MODULE | JERRY_PARSE_HAS_RESOURCE;
+ parse_options.resource_name = jerry_create_string_sz ((const jerry_char_t *) in_path_p, in_path_length);
+
+ jerry_value_t ret_value = jerry_parse (source_p,
+ source_size,
+ &parse_options);
+
+ jerry_release_value (parse_options.resource_name);
+ jerry_port_release_source (source_p);
+ free (in_path_p);
+
+ if (jerry_value_is_error (ret_value))
+ {
+ free (path_p);
+ jerry_release_value (realm);
+ return ret_value;
+ }
+
+ module_p = (jerry_port_module_t *) malloc (sizeof (jerry_port_module_t));
+
+ module_p->next_p = manager_p->module_head_p;
+ module_p->path_p = path_p;
+ module_p->base_path_length = jerry_port_get_directory_end (module_p->path_p);
+ module_p->realm = realm;
+ module_p->module = jerry_acquire_value (ret_value);
+
+ jerry_set_object_native_pointer (ret_value, module_p, &jerry_port_module_native_info);
+ manager_p->module_head_p = module_p;
+
+ return ret_value;
+} /* jerry_port_module_resolve */
+
+/**
+ * Release known modules.
+ */
+void
+jerry_port_module_release (const jerry_value_t realm) /**< if this argument is object, release only those modules,
+ * which realm value is equal to this argument. */
+{
+ jerry_port_module_free ((jerry_port_module_manager_t *) jerry_get_context_data (&jerry_port_module_manager),
+ realm);
+} /* jerry_port_module_release */
diff --git a/targets/zephyr/src/jerry-port.c b/targets/zephyr/src/jerry-port.c
index 016510696d..5677821834 100644
--- a/targets/zephyr/src/jerry-port.c
+++ b/targets/zephyr/src/jerry-port.c
@@ -13,12 +13,32 @@
* limitations under the License.
*/
-#include <stdarg.h>
-
#include <zephyr.h>
+#include <stdarg.h>
+#include <stdlib.h>
#include "jerryscript-port.h"
+/**
+ * JerryScript log level
+ */
+static jerry_log_level_t jerry_log_level = JERRY_LOG_LEVEL_ERROR;
+
+/**
+ * Sets log level.
+ */
+void set_log_level (jerry_log_level_t level)
+{
+ jerry_log_level = level;
+} /* set_log_level */
+
+/**
+ * Aborts the program.
+ */
+void jerry_port_fatal (jerry_fatal_code_t code)
+{
+ exit (1);
+} /* jerry_port_fatal */
/**
* Provide log message implementation for the engine.
@@ -28,35 +48,81 @@ jerry_port_log (jerry_log_level_t level, /**< log level */
const char *format, /**< format string */
...) /**< parameters */
{
- (void) level; /* ignore log level */
-
- va_list args;
- va_start (args, format);
- vfprintf (stderr, format, args);
- va_end (args);
+ if (level <= jerry_log_level)
+ {
+ va_list args;
+ va_start (args, format);
+ vfprintf (stderr, format, args);
+ va_end (args);
+ }
} /* jerry_port_log */
+/**
+ * Determines the size of the given file.
+ * @return size of the file
+ */
+static size_t
+jerry_port_get_file_size (FILE *file_p) /**< opened file */
+{
+ fseek (file_p, 0, SEEK_END);
+ long size = ftell (file_p);
+ fseek (file_p, 0, SEEK_SET);
+
+ return (size_t) size;
+} /* jerry_port_get_file_size */
/**
- * Provide fatal message implementation for the engine.
+ * Opens file with the given path and reads its source.
+ * @return the source of the file
*/
-void jerry_port_fatal (jerry_fatal_code_t code)
+uint8_t *
+jerry_port_read_source (const char *file_name_p, /**< file name */
+ size_t *out_size_p) /**< [out] read bytes */
{
- jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Jerry Fatal Error!\n");
- while (true);
-} /* jerry_port_fatal */
+ FILE *file_p = fopen (file_name_p, "rb");
+
+ if (file_p == NULL)
+ {
+ jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: failed to open file: %s\n", file_name_p);
+ return NULL;
+ }
+
+ size_t file_size = jerry_port_get_file_size (file_p);
+ uint8_t *buffer_p = (uint8_t *) malloc (file_size);
+
+ if (buffer_p == NULL)
+ {
+ fclose (file_p);
+
+ jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: failed to allocate memory for module");
+ return NULL;
+ }
+
+ size_t bytes_read = fread (buffer_p, 1u, file_size, file_p);
+
+ if (!bytes_read)
+ {
+ fclose (file_p);
+ free (buffer_p);
+
+ jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Error: failed to read file: %s\n", file_name_p);
+ return NULL;
+ }
+
+ fclose (file_p);
+ *out_size_p = bytes_read;
+
+ return buffer_p;
+} /* jerry_port_read_source */
/**
- * Implementation of jerry_port_get_current_time.
- *
- * @return current timer's counter value in milliseconds
+ * Release the previously opened file's content.
*/
-double
-jerry_port_get_current_time (void)
+void
+jerry_port_release_source (uint8_t *buffer_p) /**< buffer to free */
{
- int64_t ms = k_uptime_get();
- return (double) ms;
-} /* jerry_port_get_current_time */
+ free (buffer_p);
+} /* jerry_port_release_source */
/**
* Dummy function to get the time zone adjustment.
@@ -70,6 +136,18 @@ jerry_port_get_local_time_zone_adjustment (double unix_ms, bool is_utc)
return 0;
} /* jerry_port_get_local_time_zone_adjustment */
+/**
+ * Dummy function to get the current time.
+ *
+ * @return 0
+ */
+double
+jerry_port_get_current_time (void)
+{
+ int64_t ms = k_uptime_get();
+ return (double) ms;
+} /* jerry_port_get_current_time */
+
/**
* Provide the implementation of jerry_port_print_char.
* Uses 'printf' to print a single character to standard output.
@@ -79,3 +157,36 @@ jerry_port_print_char (char c) /**< the character to print */
{
printf ("%c", c);
} /* jerry_port_print_char */
+
+/**
+ * Provide implementation of jerry_port_sleep.
+ */
+void jerry_port_sleep (uint32_t sleep_time) /**< milliseconds to sleep */
+{
+ k_usleep ((useconds_t) sleep_time * 1000);
+} /* jerry_port_sleep */
+
+/**
+ * Pointer to the current context.
+ */
+static jerry_context_t *current_context_p = NULL;
+
+/**
+ * Set the current_context_p as the passed pointer.
+ */
+void
+jerry_port_default_set_current_context (jerry_context_t *context_p) /**< points to the created context */
+{
+ current_context_p = context_p;
+} /* jerry_port_default_set_current_context */
+
+/**
+ * Get the current context.
+ *
+ * @return the pointer to the current context
+ */
+jerry_context_t *
+jerry_port_get_current_context (void)
+{
+ return current_context_p;
+} /* jerry_port_get_current_context */