feature: C库适配iar

re #I5BUG3

Signed-off-by: x_xiny <1301913191@qq.com>
Change-Id: I84591c7593622de22a33f411b7011d17034c6d55

BUILD.gn

@@ -1,5 +1,5 @@
 # Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
-# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without modification,
 # are permitted provided that the following conditions are met:
@@ -82,11 +82,10 @@ config("stdinc_config") {
     "-isystem",
     std_include,
   ]
+  if (defined(LOSCFG_LIBC_MUSL)) {
     cflags += [ "-nostdinc" ]
-  asmflags = cflags
-  if (defined(LOSCFG_LIBC_NEWLIB)) {
-    cflags -= [ "-nostdinc" ]
   }
+  asmflags = cflags
 }
 
 config("ssp_config") {

kal/libc/BUILD.gn

@@ -1,5 +1,5 @@
 # Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
-# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without modification,
 # are permitted provided that the following conditions are met:
@@ -32,6 +32,7 @@ import("//kernel/liteos_m/liteos.gni")
 module_name = get_path_info(rebase_path("."), "name")
 module_group(module_name) {
   modules = [
+    "iccarm",
     "musl",
     "newlib",
   ]

kal/libc/Kconfig

@@ -1,5 +1,5 @@
 # Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
-# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without modification,
 # are permitted provided that the following conditions are met:
@@ -41,4 +41,8 @@ config LIBC_NEWLIB
     bool "newlibc"
 rsource "newlib/Kconfig"
 
+config LIBC_ICCARM
+    bool "iar libc"
+rsource "iccarm/Kconfig"
+
 endchoice

kal/libc/iccarm/BUILD.gn

@@ -0,0 +1,42 @@
+# Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_m/liteos.gni")
+import("//third_party/musl/porting/liteos_m_iccarm/kernel/iccarm.gni")
+
+module_switch = defined(LOSCFG_LIBC_ICCARM)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  configs += [ "$LITEOSTOPDIR:warn_config" ]
+
+  deps = [ "//third_party/musl/porting/liteos_m_iccarm/kernel" ]
+}
+
+config("public") {
+  include_dirs = ICCARM_ADAPT_INCLUDE_DIRS
+}

kal/libc/iccarm/Kconfig

@@ -0,0 +1,38 @@
+# Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+if LIBC_ICCARM
+
+config LIBC_ICCARM_FS
+    bool "Enable POSIX file system API support"
+    default y
+    depends on FS_VFS
+    help
+        This enables POSIX style file system related APIs.
+
+endif # LIBC_ICCARM