add porting codes of rt-thread (#494)

Author: alvkeke

README.md

@@ -51,7 +51,7 @@ The iwasm supports the following architectures:
 Following platforms are supported. Refer to [WAMR porting guide](./doc/port_wamr.md) for how to port WAMR to a new platform.
 
 - [Linux](./doc/build_wamr.md#linux),  [Linux SGX (Intel Software Guard Extension)](./doc/linux_sgx.md),  [MacOS](./doc/build_wamr.md#macos),  [Android](./doc/build_wamr.md#android), [Windows](./doc/build_wamr.md#windows)
-- [Zephyr](./doc/build_wamr.md#zephyr),  [AliOS-Things](./doc/build_wamr.md#alios-things),  [VxWorks](./doc/build_wamr.md#vxworks), [NuttX](./doc/build_wamr.md#nuttx)
+- [Zephyr](./doc/build_wamr.md#zephyr),  [AliOS-Things](./doc/build_wamr.md#alios-things),  [VxWorks](./doc/build_wamr.md#vxworks), [NuttX](./doc/build_wamr.md#nuttx), [RT-Thread](./doc/build_wamr.md#RT-Thread)
 
 ### Build iwasm VM core (mini product)
 

SConscript

@@ -0,0 +1,33 @@
+#
+# Copyright (c) 2021, RT-Thread Development Team
+#
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+# for module compiling
+import os
+
+from building import *
+
+objs = []
+cwd  = GetCurrentDir()
+list = os.listdir(cwd)
+
+if GetDepend(['PKG_USING_WAMR']):
+    wamr_entry_sconscript = os.path.join(cwd, "product-mini", "platforms", "rt-thread", 'SConscript')
+
+    if os.path.isfile(wamr_entry_sconscript):
+        objs = objs + SConscript(wamr_entry_sconscript)
+    else:
+        print("[WAMR] entry script wrong:", wamr_entry_sconscript)
+        Return('objs')
+
+    wamr_runlib_sconsript = os.path.join(cwd, "build-scripts", 'SConscript')
+
+    if os.path.isfile(wamr_runlib_sconsript):
+        objs = objs + SConscript(wamr_runlib_sconsript)
+    else:
+        print("[WAMR] runtime lib script wrong:", wamr_runlib_sconsript)
+
+Return('objs')
+

build-scripts/SConscript

@@ -0,0 +1,88 @@
+#
+# Copyright (c) 2021, RT-Thread Development Team
+#
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+import os
+from building import *
+
+cwd  = GetCurrentDir()
+objs = []
+
+WAMR_ROOT_DIR = os.path.join(cwd, "..")
+
+
+SHARED_DIR = os.path.join(WAMR_ROOT_DIR, 'core', 'shared')
+
+IWASM_DIR = os.path.join(WAMR_ROOT_DIR, 'core', 'iwasm')
+
+APP_MGR_DIR = os.path.join(WAMR_ROOT_DIR, 'core', 'app-mgr')
+
+APP_FRAMEWORK_DIR = os.path.join(WAMR_ROOT_DIR, 'core', 'app-framework')
+
+DEPS_DIR = os.path.join(WAMR_ROOT_DIR, 'core', 'deps')
+
+if GetDepend(['WAMR_BUILD_INTERP']):
+    script_path = os.path.join(IWASM_DIR, 'interpreter', 'SConscript')
+    objs += SConscript(script_path)
+
+
+if GetDepend(['WAMR_BUILD_AOT']):
+    script_path = os.path.join(IWASM_DIR, 'aot', 'SConscript')
+    objs += SConscript(script_path)
+    if GetDepend(['WAMR_BUILD_JIT']):
+        script_path = os.path.join(IWASM_DIR, 'compilation', 'SConscript')
+        objs += SConscript(script_path)
+
+
+if GetDepend(['WAMR_BUILD_APP_FRAMEWORK']):
+    objs += SConscript(os.path.join(APP_FRAMEWORK_DIR, 'SConscript'))
+    objs += SConscript(os.path.join(SHARED_DIR, 'coap', 'SConscript'))
+    objs += SConscript(os.path.join(APP_MGR_DIR, 'app-manager', 'SConscript'))
+    objs += SConscript(os.path.join(APP_MGR_DIR, 'app-mgr-shared', 'SConscript'))
+
+
+
+if GetDepend(['WAMR_BUILD_LIBC_BUILTIN']):
+    objs += SConscript(os.path.join(IWASM_DIR, 'libraries', 'libc-builtin', 'SConscript'))
+
+
+
+if GetDepend(['WAMR_BUILD_LIBC_WASI']):
+    objs += SConscript(os.path.join(IWASM_DIR, 'libraries', 'libc-wasi', 'SConscript'))
+
+
+if GetDepend(['WAMR_BUILD_LIB_PTHREAD']):
+    objs += SConscript(os.path.join(IWASM_DIR, 'libraries', 'libc-pthread', 'SConscript'))
+    # TODO: 这里加一下
+
+
+
+# if (WAMR_BUILD_THREAD_MGR EQUAL 1)
+#     include (${IWASM_DIR}/libraries/thread-mgr/thread_mgr.cmake)
+# endif ()
+
+if GetDepend(['WAMR_BUILD_THREAD_MGR']):
+    objs += SConscript(os.path.join(IWASM_DIR, 'libraries', 'thread-mgr', 'SConscript'))
+
+
+
+# if (WAMR_BUILD_LIBC_EMCC EQUAL 1)
+#     include (${IWASM_DIR}/libraries/libc-emcc/libc_emcc.cmake)
+# endif()
+
+if GetDepend(['WAMR_BUILD_LIBC_EMCC']):
+    objs += SConscript(os.path.join(IWASM_DIR, 'libraries', 'libc-emmc', 'SConscript'))
+
+objs += SConscript(os.path.join(cwd, 'SConscript_config'));
+
+
+objs += SConscript(os.path.join(SHARED_DIR, 'platform', 'rt-thread', 'SConscript'))
+objs += SConscript(os.path.join(SHARED_DIR, 'mem-alloc', 'SConscript'))
+objs += SConscript(os.path.join(IWASM_DIR, 'common', 'SConscript'))
+objs += SConscript(os.path.join(SHARED_DIR, 'utils', 'SConscript'))
+
+
+
+Return('objs')

build-scripts/SConscript_config

@@ -0,0 +1,123 @@
+
+
+import os
+import re
+
+from building import *
+#
+# Copyright (c) 2021, RT-Thread Development Team
+#
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+Import('rtconfig')
+
+src = Split('''
+''')
+objs = []
+cwd  = GetCurrentDir()
+
+IWASM_INC_DIR = os.path.join(cwd, '..', 'core', 'iwasm', 'include')
+
+# include_directories (${IWASM_DIR}/include)
+
+CPPPATH = [IWASM_INC_DIR]
+
+if rtconfig.BUILD == 'debug':
+    CPPDEFINES = ['BH_DEBUG=1']
+else:
+    CPPDEFINES = ['BH_DEBUG=0']
+
+if rtconfig.ARCH == 'arm':
+    if re.match('^cortex-m.*', rtconfig.CPU):
+        print('[WAMR] using thumbv4t')
+        CPPDEFINES += ['BUILD_TARGET_THUMB']
+        CPPDEFINES += [r'BUILD_TARGET=\"thumbv4t\"']
+    elif re.match('^cortex-a.*', rtconfig.CPU):
+        print('[WAMR] using armv7')
+        CPPDEFINES += ['BUILD_TARGET_ARM']
+        CPPDEFINES += [r'BUILD_TARGET=\"armv7\"']
+    elif re.match('^cortex-r.*', rtconfig.CPU):
+        print('[WAMR] using armv7')
+        CPPDEFINES += ['BUILD_TARGET_ARM']
+        CPPDEFINES += [r'BUILD_TARGET=\"armv7\"']
+    elif rtconfig.CPU == 'armv6':
+        print('[WAMR] using armv6')
+        CPPDEFINES += ['BUILD_TARGET_ARM']
+        CPPDEFINES += [r'BUILD_TARGET=\"armv6\"']
+    elif re.match('^arm9*', rtconfig.CPU):
+        print('[WAMR] using armv4')
+        CPPDEFINES += ['BUILD_TARGET_ARM']
+        CPPDEFINES += [r'BUILD_TARGET=\"armv4\"']
+
+else:
+    print("[WAMR] unknown arch", rtconfig.ARCH)
+
+
+LIBS = ['m']
+
+if GetDepend(['WAMR_BUILD_INTERP']):
+    CPPDEFINES += ['WASM_ENABLE_INTERP=1']
+    if GetDepend(['WAMR_BUILD_FAST_INTERP']):
+        CPPDEFINES += ['WASM_ENABLE_FAST_INTERP=1']
+        print("[WAMR] fast interpreter was enabled")
+    else:
+        CPPDEFINES += ['WASM_ENABLE_FAST_INTERP=0']
+        print("[WAMR] fast interpreter was disabled")
+else:
+    CPPDEFINES += ['WASM_ENABLE_INTERP=0']
+
+CPPDEFINES += ['WASM_ENABLE_JIT=0']
+
+if GetDepend(['WAMR_BUILD_MULTI_MODULE']):
+    CPPDEFINES += ['WASM_ENABLE_MULTI_MODULE=1']
+else:
+    CPPDEFINES += ['WASM_ENABLE_MULTI_MODULE=0']
+
+if GetDepend(['WAMR_BUILD_SPEC_TEST']):
+    CPPDEFINES += ['WASM_ENABLE_SPEC_TEST=1']
+    print("[WAMR] spec test compatible mode was enabled")
+
+if GetDepend(['WAMR_BUILD_BULK_MEMORY']):
+    CPPDEFINES += ['WASM_ENABLE_BULK_MEMORY=1']
+    print("[WAMR] Bulk memory feature was enabled")
+else:
+    CPPDEFINES += ['WASM_ENABLE_BULK_MEMORY=0']
+
+if GetDepend(['WAMR_BUILD_SHARED_MEMORY']):
+    CPPDEFINES += ['WASM_ENABLE_SHARED_MEMORY=1']
+    print("[WAMR] Shared memory enabled")
+else:
+    CPPDEFINES += ['WASM_ENABLE_SHARED_MEMORY=0']
+
+if GetDepend(['WAMR_BUILD_MINI_LOADER']):
+    CPPDEFINES += ['WASM_ENABLE_MINI_LOADER=1']
+    print("[WAMR] mini loader enabled")
+else:
+    CPPDEFINES += ['WASM_ENABLE_MINI_LOADER=0']
+
+if GetDepend(['WAMR_DISABLE_HW_BOUND_CHECK']):
+    CPPDEFINES += ['WASM_DISABLE_HW_BOUND_CHECK=1']
+    print("[WAMR] Hardware boundary check disabled")
+
+if GetDepend(['WAMR_BUILD_SIMD']):
+    CPPDEFINES += ['WASM_ENABLE_SIMD=1']
+    print('[WAMR] SIMD enabled')
+
+if GetDepend(['WAMR_BUILD_MEMORY_PROFILING']):
+    CPPDEFINES += ['WASM_ENABLE_MEMORY_PROFILING=1']
+    print('[WAMR] Memory profiling enabled')
+
+if GetDepend(['WAMR_BUILD_CUSTOM_NAME_SECTION']):
+    CPPDEFINES += ['WASM_ENABLE_CUSTOM_NAME_SECTION=1']
+    print('[WAMR] Custom name section enabled')
+
+if GetDepend(['WAMR_BUILD_TAIL_CALL']):
+    CPPDEFINES += ['WASM_ENABLE_TAIL_CALL=1']
+    print('[WAMR] Tail call enabledd')
+
+
+group = DefineGroup('wamr_config_common', src, depend = ['PKG_USING_WAMR'], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES, LIBS = LIBS)
+
+Return('group')
+

core/iwasm/aot/SConscript

@@ -0,0 +1,31 @@
+#
+# Copyright (c) 2021, RT-Thread Development Team
+#
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+from building import *
+import re
+Import('rtconfig')
+
+cwd     = GetCurrentDir()
+
+src = Split('''
+aot_loader.c
+aot_runtime.c
+''')
+
+if rtconfig.ARCH == 'arm':
+    if re.match('^cortex-m.*', rtconfig.CPU):
+        src += ['arch/aot_reloc_thumb.c']
+    elif re.match('^cortex-a.*', rtconfig.CPU):
+        src += ['arch/aot_reloc_arm.c']
+
+
+CPPPATH = [cwd, cwd + '/../include']
+
+CPPDEFINES = ['WASM_ENABLE_AOT=1']
+
+group = DefineGroup('iwasm_aot', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
+
+Return('group')

core/iwasm/common/SConscript

@@ -0,0 +1,26 @@
+#
+# Copyright (c) 2021, RT-Thread Development Team
+#
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+from building import *
+import re
+
+Import('rtconfig')
+
+cwd     = GetCurrentDir()
+
+src = Glob('*.c')
+
+if rtconfig.ARCH == 'arm':
+    if re.match('^cortex-m.*', rtconfig.CPU):
+        src += ['arch/invokeNative_thumb.s']
+    elif re.match('^cortex-a.*', rtconfig.CPU):
+        src += ['arch/invokeNative_arm.s']
+
+CPPPATH = [cwd, cwd + '/../include']
+
+group = DefineGroup('iwasm_common', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')

core/iwasm/interpreter/SConscript

@@ -0,0 +1,30 @@
+#
+# Copyright (c) 2021, RT-Thread Development Team
+#
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+from building import *
+
+cwd     = GetCurrentDir()
+
+src = Split('''
+wasm_runtime.c
+''')
+
+if GetDepend(['WAMR_BUILD_FAST_INTERP']):
+    src += ["wasm_interp_fast.c"]
+else:
+    src += ["wasm_interp_classic.c"]
+
+if GetDepend(['WAMR_BUILD_MINI_LOADER']):
+    src += ["wasm_mini_loader.c"]
+else:
+    src += ["wasm_loader.c"]
+
+
+CPPPATH = [cwd]
+
+group = DefineGroup('iwasm_interpreter', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')

core/iwasm/libraries/lib-pthread/SConscript

@@ -0,0 +1,20 @@
+#
+# Copyright (c) 2021, RT-Thread Development Team
+#
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+from building import *
+
+cwd     = GetCurrentDir()
+
+src = Split('''
+libc_pthread_wrapper.c
+''')
+
+CPPPATH = [cwd]
+
+
+group = DefineGroup('iwasm_libc_pthread', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')

core/iwasm/libraries/libc-builtin/SConscript

@@ -0,0 +1,24 @@
+#
+# Copyright (c) 2021, RT-Thread Development Team
+#
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+
+from building import *
+
+cwd     = GetCurrentDir()
+
+#src = Split('''
+#libc_builtin_wrapper.c
+#''')
+
+src = Glob('*.c')
+
+CPPDEFINES = ['WASM_ENABLE_LIBC_BUILTIN=1']
+
+CPPPATH = [cwd]
+
+
+group = DefineGroup('iwasm_libc_builtin', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
+
+Return('group')