Merge branch 'RT-Thread:master' into master

8 files changed, 164 insertions, 45 deletions

diff --git a/bsp/stm32/stm32f412-st-nucleo/rtconfig.py b/bsp/stm32/stm32f412-st-nucleo/rtconfig.py
index 573c1f7492..9193d4a1d5 100644
--- a/bsp/stm32/stm32f412-st-nucleo/rtconfig.py
+++ b/bsp/stm32/stm32f412-st-nucleo/rtconfig.py
@@ -94,6 +94,40 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
+elif PLATFORM == 'armclang':
+    # toolchains
+    CC = 'armclang'
+    CXX = 'armclang'
+    AS = 'armasm'
+    AR = 'armar'
+    LINK = 'armlink'
+    TARGET_EXT = 'axf'
+
+    DEVICE = ' --cpu Cortex-M4.fp '
+    CFLAGS = ' --target=arm-arm-none-eabi -mcpu=cortex-m4 '
+    CFLAGS += ' -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 '
+    CFLAGS += ' -mfloat-abi=hard -c -fno-rtti -funsigned-char -fshort-enums -fshort-wchar '
+    CFLAGS += ' -gdwarf-3 -ffunction-sections '
+    AFLAGS = DEVICE + ' --apcs=interwork '
+    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers '
+    LFLAGS += ' --list rt-thread.map '
+    LFLAGS += r' --strict --scatter "board\linker_scripts\link.sct" '
+    CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCLANG/include'
+    LFLAGS += ' --libpath=' + EXEC_PATH + '/ARM/ARMCLANG/lib'
+
+    EXEC_PATH += '/ARM/ARMCLANG/bin/'
+
+    if BUILD == 'debug':
+        CFLAGS += ' -g -O1' # armclang recommend
+        AFLAGS += ' -g'
+    else:
+        CFLAGS += ' -O2'
+        
+    CXXFLAGS = CFLAGS
+    CFLAGS += ' -std=c99'
+
+    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
+
 elif PLATFORM == 'iar':
     # toolchains
     CC = 'iccarm'
diff --git a/bsp/stm32/stm32h750-artpi-h750/rtconfig.py b/bsp/stm32/stm32h750-artpi-h750/rtconfig.py
index 2c9cbdd792..13a0ebbdb9 100644
--- a/bsp/stm32/stm32h750-artpi-h750/rtconfig.py
+++ b/bsp/stm32/stm32h750-artpi-h750/rtconfig.py
@@ -94,6 +94,40 @@ elif PLATFORM == 'armcc':
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
+elif PLATFORM == 'armclang':
+    # toolchains
+    CC = 'armclang'
+    CXX = 'armclang'
+    AS = 'armasm'
+    AR = 'armar'
+    LINK = 'armlink'
+    TARGET_EXT = 'axf'
+
+    DEVICE = ' --cpu Cortex-M7.fp.sp '
+    CFLAGS = ' --target=arm-arm-none-eabi -mcpu=cortex-M7 '
+    CFLAGS += ' -mcpu=cortex-M7 -mfpu=fpv4-sp-d16 '
+    CFLAGS += ' -mfloat-abi=hard -c -fno-rtti -funsigned-char -fshort-enums -fshort-wchar '
+    CFLAGS += ' -gdwarf-3 -ffunction-sections '
+    AFLAGS = DEVICE + ' --apcs=interwork '
+    LFLAGS = DEVICE + ' --info sizes --info totals --info unused --info veneers '
+    LFLAGS += ' --list rt-thread.map '
+    LFLAGS += r' --strict --scatter "board\linker_scripts\link.sct" '
+    CFLAGS += ' -I' + EXEC_PATH + '/ARM/ARMCLANG/include'
+    LFLAGS += ' --libpath=' + EXEC_PATH + '/ARM/ARMCLANG/lib'
+
+    EXEC_PATH += '/ARM/ARMCLANG/bin/'
+
+    if BUILD == 'debug':
+        CFLAGS += ' -g -O1' # armclang recommend
+        AFLAGS += ' -g'
+    else:
+        CFLAGS += ' -O2'
+        
+    CXXFLAGS = CFLAGS
+    CFLAGS += ' -std=c99'
+
+    POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
+
 elif PLATFORM == 'iar':
     # toolchains
     CC = 'iccarm'
diff --git a/bsp/stm32/stm32l475-atk-pandora/rtconfig.py b/bsp/stm32/stm32l475-atk-pandora/rtconfig.py
index 9314a28375..4250a3d152 100644
--- a/bsp/stm32/stm32l475-atk-pandora/rtconfig.py
+++ b/bsp/stm32/stm32l475-atk-pandora/rtconfig.py
@@ -91,7 +91,6 @@ elif PLATFORM == 'armcc':
 
 
     CXXFLAGS = CFLAGS 
-    CFLAGS += ' -std=c99'
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
@@ -105,7 +104,7 @@ elif PLATFORM == 'armclang':
     TARGET_EXT = 'axf'
 
     DEVICE = ' --cpu Cortex-M4.fp '
-    CFLAGS = ' -xc -std=c99 --target=arm-arm-none-eabi -mcpu=cortex-m4 '
+    CFLAGS = ' --target=arm-arm-none-eabi -mcpu=cortex-m4 '
     CFLAGS += ' -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 '
     CFLAGS += ' -mfloat-abi=hard -c -fno-rtti -funsigned-char -fshort-enums -fshort-wchar '
     CFLAGS += ' -gdwarf-3 -ffunction-sections '
@@ -125,6 +124,7 @@ elif PLATFORM == 'armclang':
         CFLAGS += ' -O2'
         
     CXXFLAGS = CFLAGS
+    CFLAGS += ' -std=c99'
 
     POST_ACTION = 'fromelf --bin $TARGET --output rtthread.bin \nfromelf -z $TARGET'
 
diff --git a/components/drivers/serial/serial.c b/components/drivers/serial/serial.c
index 5cd44f3771..76298ea153 100644
--- a/components/drivers/serial/serial.c
+++ b/components/drivers/serial/serial.c
@@ -955,9 +955,7 @@ static void _tc_flush(struct rt_serial_device *serial, int queue)
             {
                 RT_ASSERT(RT_NULL != rx_fifo);
                 level = rt_hw_interrupt_disable();
-                rt_memset(rx_fifo->buffer, 0, serial->config.bufsz);
-                rx_fifo->put_index = 0;
-                rx_fifo->get_index = 0;
+                rx_fifo->get_index = rx_fifo->put_index;
                 rx_fifo->is_full = RT_FALSE;
                 rt_hw_interrupt_enable(level);
             }
diff --git a/components/net/sal_socket/src/sal_socket.c b/components/net/sal_socket/src/sal_socket.c
index 982ab2d08d..dd3c5d3dc2 100644
--- a/components/net/sal_socket/src/sal_socket.c
+++ b/components/net/sal_socket/src/sal_socket.c
@@ -619,7 +619,9 @@ int sal_accept(int socket, struct sockaddr *addr, socklen_t *addrlen)
             LOG_E("New socket registered failed, return error %d.", retval);
             return -1;
         }
-
+		
+        /* new socket create by accept should have the same netdev with server*/
+        new_sock->netdev = sock->netdev;
         /* socket structure user_data used to store the acquired new socket */
         new_sock->user_data = (void *) new_socket;
 
diff --git a/libcpu/arm/cortex-m7/SConscript b/libcpu/arm/cortex-m7/SConscript
index 28af7ba651..717823339d 100644
--- a/libcpu/arm/cortex-m7/SConscript
+++ b/libcpu/arm/cortex-m7/SConscript
@@ -8,7 +8,7 @@ cwd     = GetCurrentDir()
 src     = Glob('*.c') + Glob('*.cpp')
 CPPPATH = [cwd]
 
-if rtconfig.PLATFORM == 'armcc':
+if rtconfig.PLATFORM == 'armcc' or rtconfig.PLATFORM == 'armclang':
     src += Glob('*_rvds.S')
 
 if rtconfig.PLATFORM == 'gcc':
diff --git a/tools/building.py b/tools/building.py
index 32ce449622..e078c1626c 100644
--- a/tools/building.py
+++ b/tools/building.py
@@ -258,6 +258,7 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
                 'eclipse':('gcc', 'gcc'),
                 'ses' : ('gcc', 'gcc'),
                 'cmake':('gcc', 'gcc'),
+                'cmake-armclang':('keil', 'armclang'),
                 'codelite' : ('gcc', 'gcc')}
     tgt_name = GetOption('target')
 
@@ -883,7 +884,7 @@ def GenTargetProject(program = None):
         from codelite import TargetCodelite
         TargetCodelite(Projects, program)
 
-    if GetOption('target') == 'cmake':
+    if GetOption('target') == 'cmake' or GetOption('target') == 'cmake-armclang':
         from cmake import CMakeProject
         CMakeProject(Env,Projects)
 
diff --git a/tools/cmake.py b/tools/cmake.py
index 88a95ecad8..811b6693cb 100644
--- a/tools/cmake.py
+++ b/tools/cmake.py
@@ -17,55 +17,101 @@ def GenerateCFiles(env,project):
     info = utils.ProjectInfo(env)
 
     CC = os.path.join(rtconfig.EXEC_PATH, rtconfig.CC).replace('\\', "/")
-    CXX = os.path.join(rtconfig.EXEC_PATH, rtconfig.CXX).replace('\\', "/")
+    if 'CXX' in dir(rtconfig):
+        CXX = os.path.join(rtconfig.EXEC_PATH, rtconfig.CXX).replace('\\', "/")
+    else:
+        CXX = ''
     AS = os.path.join(rtconfig.EXEC_PATH, rtconfig.AS).replace('\\', "/")
     AR = os.path.join(rtconfig.EXEC_PATH, rtconfig.AR).replace('\\', "/")
     LINK = os.path.join(rtconfig.EXEC_PATH, rtconfig.LINK).replace('\\', "/")
-    SIZE = os.path.join(rtconfig.EXEC_PATH, rtconfig.SIZE).replace('\\', "/")
-    OBJDUMP = os.path.join(rtconfig.EXEC_PATH, rtconfig.OBJDUMP).replace('\\', "/")
-    OBJCOPY = os.path.join(rtconfig.EXEC_PATH, rtconfig.OBJCPY).replace('\\', "/")
+    if rtconfig.PLATFORM == 'gcc':
+        SIZE = os.path.join(rtconfig.EXEC_PATH, rtconfig.SIZE).replace('\\', "/")
+        OBJDUMP = os.path.join(rtconfig.EXEC_PATH, rtconfig.OBJDUMP).replace('\\', "/")
+        OBJCOPY = os.path.join(rtconfig.EXEC_PATH, rtconfig.OBJCPY).replace('\\', "/")
+    elif rtconfig.CROSS_TOOL == 'keil':
+        FROMELF = os.path.join(rtconfig.EXEC_PATH, 'fromelf').replace('\\', "/")
+
+    CFLAGS = rtconfig.CFLAGS.replace('\\', "/").replace('\"', "\\\"")
+    if 'CXXFLAGS' in dir(rtconfig):
+        CXXFLAGS = rtconfig.CXXFLAGS.replace('\\', "/").replace('\"', "\\\"")
+    else:
+        CXXFLAGS = CFLAGS
+    AFLAGS = rtconfig.AFLAGS.replace('\\', "/").replace('\"', "\\\"")
+    LFLAGS = rtconfig.LFLAGS.replace('\\', "/").replace('\"', "\\\"")
 
     if "win32" in sys.platform:
         CC += ".exe"
-        CXX += ".exe"
+        if CXX != '':
+            CXX += ".exe"
         AS += ".exe"
         AR += ".exe"
         LINK += ".exe"
-        SIZE += ".exe"
-        OBJDUMP += ".exe"
-        OBJCOPY += ".exe"
+        if rtconfig.PLATFORM == 'gcc':
+            SIZE += ".exe"
+            OBJDUMP += ".exe"
+            OBJCOPY += ".exe"
+        elif rtconfig.CROSS_TOOL == 'keil':
+            FROMELF += ".exe"
+
+    if not os.path.exists(CC) or not os.path.exists(AS) or not os.path.exists(AR) or not os.path.exists(LINK):
+        print("'Cannot found toolchain directory, please check RTT_CC and RTT_EXEC_PATH'")
+        sys.exit(-1)
 
     cm_file = open('CMakeLists.txt', 'w')
     if cm_file:
         cm_file.write("CMAKE_MINIMUM_REQUIRED(VERSION 3.10)\n\n")
 
         cm_file.write("SET(CMAKE_SYSTEM_NAME Generic)\n")
+        cm_file.write("SET(CMAKE_SYSTEM_PROCESSOR " + rtconfig.CPU +")\n")
         cm_file.write("#SET(CMAKE_VERBOSE_MAKEFILE ON)\n\n")
 
         cm_file.write("SET(CMAKE_C_COMPILER \""+ CC + "\")\n")
-        cm_file.write("SET(CMAKE_CXX_COMPILER \""+ CXX + "\")\n")
         cm_file.write("SET(CMAKE_ASM_COMPILER \""+ AS + "\")\n")
-        cm_file.write("SET(CMAKE_OBJCOPY \""+ OBJCOPY + "\")\n")
-        cm_file.write("SET(CMAKE_SIZE \""+ SIZE + "\")\n\n")
+        cm_file.write("SET(CMAKE_C_FLAGS \""+ CFLAGS + "\")\n")
+        cm_file.write("SET(CMAKE_ASM_FLAGS \""+ AFLAGS + "\")\n")
+        cm_file.write("SET(CMAKE_C_COMPILER_WORKS TRUE)\n\n")
+
+        if CXX != '':
+            cm_file.write("SET(CMAKE_CXX_COMPILER \""+ CXX + "\")\n")
+            cm_file.write("SET(CMAKE_CXX_FLAGS \""+ CXXFLAGS + "\")\n")
+            cm_file.write("SET(CMAKE_CXX_COMPILER_WORKS TRUE)\n\n")
 
+        if rtconfig.PLATFORM == 'gcc':
+            cm_file.write("SET(CMAKE_OBJCOPY \""+ OBJCOPY + "\")\n")
+            cm_file.write("SET(CMAKE_SIZE \""+ SIZE + "\")\n\n")
+        elif rtconfig.CROSS_TOOL == 'keil':
+            cm_file.write("SET(CMAKE_FROMELF \""+ FROMELF + "\")\n\n")
+
+        LINKER_FLAGS = ''
+        LINKER_LIBS = ''
+        if rtconfig.PLATFORM == 'gcc':
+            LINKER_FLAGS += '-T'
+        elif rtconfig.CROSS_TOOL == 'keil':
+            LINKER_FLAGS += '--scatter'
+            for group in project:
+                if 'LIBPATH' in group.keys():
+                    for f in group['LIBPATH']:
+                        LINKER_LIBS += ' --userlibpath ' + f.replace("\\", "/")
+            for group in project:
+                if 'LIBS' in group.keys():
+                    for f in group['LIBS']:
+                        LINKER_LIBS += ' ' + f.replace("\\", "/") + '.lib'
+        cm_file.write("SET(CMAKE_EXE_LINKER_FLAGS \""+ re.sub(LINKER_FLAGS + '(\s*)', LINKER_FLAGS + ' ${CMAKE_SOURCE_DIR}/', LFLAGS) + LINKER_LIBS + "\")\n\n")
+
+        if CXX != '':
+            cm_file.write("SET(CMAKE_CXX_STANDARD 14)\n")
+            cm_file.write("PROJECT(rtthread C CXX ASM)\n")
+        else:
+            cm_file.write("PROJECT(rtthread C ASM)\n")
 
-        cm_file.write("SET(CMAKE_C_FLAGS \""+ rtconfig.CFLAGS.replace('\\', "/") + "\")\n")
-        cm_file.write("SET(CMAKE_CXX_FLAGS \""+ rtconfig.CXXFLAGS.replace('\\', "/") + "\")\n")
-        cm_file.write("SET(CMAKE_ASM_FLAGS \""+ rtconfig.AFLAGS.replace('\\', "/") + "\")\n")
-        cm_file.write("SET(CMAKE_EXE_LINKER_FLAGS \""+ re.sub('-T(\s*)', '-T ${CMAKE_SOURCE_DIR}/',rtconfig.LFLAGS.replace('\\', "/")) + "\")\n\n")
-        
-        cm_file.write("SET(CMAKE_CXX_STANDARD 14)\n")
-        cm_file.write("PROJECT(rtthread C CXX ASM)\n")
-                
         cm_file.write("INCLUDE_DIRECTORIES(\n")
         for i in info['CPPPATH']:
-                cm_file.write( "\t" + i.replace("\\", "/") + "\n")
+            cm_file.write( "\t" + i.replace("\\", "/") + "\n")
         cm_file.write(")\n\n")
 
-
         cm_file.write("ADD_DEFINITIONS(\n")
         for i in info['CPPDEFINES']:
-                cm_file.write("\t-D" + i + "\n")
+            cm_file.write("\t-D" + i + "\n")
         cm_file.write(")\n\n")
 
         cm_file.write("SET(PROJECT_SOURCES\n")
@@ -73,23 +119,27 @@ def GenerateCFiles(env,project):
             for f in group['src']:
                 cm_file.write( "\t" + os.path.normpath(f.rfile().abspath).replace("\\", "/") + "\n" )
         cm_file.write(")\n\n")
-        
-        cm_file.write("LINK_DIRECTORIES(\n")
-        for group in project:
-            if 'LIBPATH' in group.keys():
-                for f in group['LIBPATH']:
-                    cm_file.write( "\t"+ f.replace("\\", "/") + "\n" )
-        cm_file.write(")\n\n")
 
-        cm_file.write("LINK_LIBRARIES(\n")
-        for group in project:
-            if 'LIBS' in group.keys():
-                for f in group['LIBS']:
-                    cm_file.write( "\t"+ "{}\n".format(f.replace("\\", "/")))
-        cm_file.write(")\n\n")
+        if rtconfig.PLATFORM == 'gcc':
+            cm_file.write("LINK_DIRECTORIES(\n")
+            for group in project:
+                if 'LIBPATH' in group.keys():
+                    for f in group['LIBPATH']:
+                        cm_file.write( "\t"+ f.replace("\\", "/") + "\n" )
+            cm_file.write(")\n\n")
+
+            cm_file.write("LINK_LIBRARIES(\n")
+            for group in project:
+                if 'LIBS' in group.keys():
+                    for f in group['LIBS']:
+                        cm_file.write( "\t"+ "{}\n".format(f.replace("\\", "/")))
+            cm_file.write(")\n\n")
 
-        cm_file.write("ADD_EXECUTABLE(${CMAKE_PROJECT_NAME}.elf ${PROJECT_SOURCES})\n")
-        cm_file.write("ADD_CUSTOM_COMMAND(TARGET ${CMAKE_PROJECT_NAME}.elf POST_BUILD \nCOMMAND ${CMAKE_OBJCOPY} -O binary ${CMAKE_PROJECT_NAME}.elf ${CMAKE_PROJECT_NAME}.bin COMMAND ${CMAKE_SIZE} ${CMAKE_PROJECT_NAME}.elf)")
+            cm_file.write("ADD_EXECUTABLE(${CMAKE_PROJECT_NAME}.elf ${PROJECT_SOURCES})\n")
+            cm_file.write("ADD_CUSTOM_COMMAND(TARGET ${CMAKE_PROJECT_NAME}.elf POST_BUILD \nCOMMAND ${CMAKE_OBJCOPY} -O binary ${CMAKE_PROJECT_NAME}.elf ${CMAKE_PROJECT_NAME}.bin COMMAND ${CMAKE_SIZE} ${CMAKE_PROJECT_NAME}.elf)")
+        elif rtconfig.CROSS_TOOL == 'keil':
+            cm_file.write("ADD_EXECUTABLE(${CMAKE_PROJECT_NAME} ${PROJECT_SOURCES})\n")
+            cm_file.write("ADD_CUSTOM_COMMAND(TARGET ${CMAKE_PROJECT_NAME} POST_BUILD \nCOMMAND ${CMAKE_FROMELF} --bin ${CMAKE_PROJECT_NAME}.elf --output ${CMAKE_PROJECT_NAME}.bin COMMAND ${CMAKE_FROMELF} -z ${CMAKE_PROJECT_NAME}.elf)")
 
         cm_file.close()