support musl libc on nuttx and add test case

APP_Framework/Applications/app_test/Makefile

@@ -14,6 +14,10 @@ ifeq ($(CONFIG_ADD_NUTTX_FETURES),y)
         CSRCS += test_touch.c
     endif
 
+    ifeq ($(CONFIG_MUSL_LIBC),y)
+        CSRCS += test_musl.c
+    endif
+
     include $(APPDIR)/Application.mk
 
 endif

APP_Framework/Applications/app_test/test_musl.c

@@ -0,0 +1,103 @@
+/*
+* Copyright (c) 2020 AIIT XUOS Lab
+* XiUOS is licensed under Mulan PSL v2.
+* You can use this software according to the terms and conditions of the Mulan PSL v2.
+* You may obtain a copy of Mulan PSL v2 at:
+*        http://license.coscl.org.cn/MulanPSL2
+* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+* See the Mulan PSL v2 for more details.
+*/
+
+/**
+* @file:    test_musl.c
+* @brief:   a application of musl test function
+* @version: 2.0
+* @author:  AIIT XUOS Lab
+* @date:    2022/11/8
+*/
+
+#include <transform.h>
+
+#ifdef ADD_NUTTX_FETURES
+
+#if defined(CONFIG_MUSL_LIBC) && defined(CONFIG_FS_AUTOMOUNTER)
+
+static void file_read_and_write(void)
+{
+    FILE *p;
+    char s[] = "good luck to you!";
+    char buffer[20];
+
+    if((p = fopen("/mnt/sdcard/test.txt","w+")) == NULL)
+    {
+      printf("Can not open file!\n");
+    }
+    fwrite(s, sizeof(s) + 1, 1, p);
+    fseek(p, SEEK_SET, 0);
+    fread(buffer, sizeof(buffer) + 1, 1, p);
+    printf("read string is: %s\n", buffer);
+    fclose(p);
+}
+
+static void file_operations(void)
+{
+   int ret;
+   FILE *fp;
+   char filename1[] = "/mnt/sdcard/file1.txt";
+   char filename2[] = "/mnt/sdcard/file2.txt";
+
+   fp = fopen(filename1, "w");
+
+   fprintf(fp, "%s", "this is runoob.com");
+   fclose(fp);
+   
+   ret = remove(filename1);
+
+   if(ret == 0) 
+   {
+      printf("remove file1 success!\n");
+   }
+   else 
+   {
+      printf("error,can not remove file1!\n");
+   }
+
+   ret = remove(filename2);
+   if(ret == 0) 
+   {
+      printf("remove file2 success!\n");
+   }
+   else 
+   {
+      printf("error,can not remove file2!\n");
+   }
+}
+
+static void malloc_and_free(void)
+{
+  int *p;
+  int len;
+  for(int i = 0; i < 100; i++)
+  {
+    len = 1024*(i+1);
+    p = malloc(len);
+    if(p)
+    {
+      printf("malloc %d bytes success!\n",len);
+      free(p);
+    }
+  }
+}
+void Testmusl(void)
+{
+  printf("--------start test file read and write!--------\n");
+  file_read_and_write();
+  printf("----------start test file operationsn!---------\n");
+  file_operations();
+  printf("---------start test malloc and free!-----------\n");
+  malloc_and_free();
+}
+#endif
+#endif

Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-arm32/configs/muslnsh/defconfig

@@ -0,0 +1,74 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+CONFIG_ADD_NUTTX_FETURES=y
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="xidatong-arm32"
+CONFIG_ARCH_BOARD_XIDATONG_ARM32=y
+CONFIG_ARCH_CHIP="imxrt"
+CONFIG_ARCH_CHIP_IMXRT=y
+CONFIG_ARCH_CHIP_MIMXRT1052CVL5B=y
+CONFIG_ARCH_INTERRUPTSTACK=10240
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV7M_DCACHE=y
+CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
+CONFIG_ARMV7M_ICACHE=y
+CONFIG_ARMV7M_USEBASEPRI=y
+CONFIG_BOARD_LOOPSPERMSEC=104926
+CONFIG_BUILTIN=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_CLOCK_MONOTONIC=y
+CONFIG_FAT_LFN=y
+CONFIG_FS_FAT=y
+CONFIG_IDLETHREAD_STACKSIZE=2048
+CONFIG_EXAMPLES_HELLO=y
+CONFIG_IMXRT_GPIO_IRQ=y
+CONFIG_IMXRT_GPIO2_16_31_IRQ=y
+CONFIG_IMXRT_GPIO3_0_15_IRQ=y
+CONFIG_DEV_GPIO=y
+CONFIG_IMXRT_LPUART1=y
+CONFIG_IMXRT_USDHC1=y
+CONFIG_IMXRT_USDHC1_WIDTH_D1_D4=y
+CONFIG_INTELHEX_BINARY=y
+CONFIG_IOB_NBUFFERS=24
+CONFIG_IOB_NCHAINS=8
+CONFIG_LIBC_STRERROR=y
+CONFIG_LPUART1_SERIAL_CONSOLE=y
+CONFIG_MMCSD=y
+CONFIG_MMCSD_SDIO=y
+CONFIG_MM_IOB=y
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_CMDOPT_DD_STATS=y
+CONFIG_NSH_DISABLE_IFUPDOWN=y
+CONFIG_NSH_FILEIOSIZE=32768
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_READLINE=y
+CONFIG_RAM_SIZE=524288
+CONFIG_RAM_START=0x20200000
+CONFIG_RAW_BINARY=y
+CONFIG_SCHED_CHILD_STATUS=y
+CONFIG_SCHED_HAVE_PARENT=y
+CONFIG_SCHED_HPWORK=y
+CONFIG_SCHED_LPWORK=y
+CONFIG_SCHED_WAITPID=y
+CONFIG_SDIO_BLOCKSETUP=y
+CONFIG_SERIAL_TERMIOS=y
+CONFIG_START_DAY=14
+CONFIG_START_MONTH=3
+CONFIG_SYSTEM_CLE_CMD_HISTORY=y
+CONFIG_SYSTEM_COLOR_CLE=y
+CONFIG_FS_AUTOMOUNTER=y
+CONFIG_XIDATONG_ARM32_SDIO_AUTOMOUNT=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_READLINE_CMD_HISTORY=y
+CONFIG_READLINE_CMD_HISTORY_LEN=100
+CONFIG_READLINE_CMD_HISTORY_LINELEN=120
+CONFIG_READLINE_TABCOMPLETION=y
+CONFIG_BOARDCTL_RESET=y
+CONFIG_MUSL_LIBC=y
+CONFIG_INIT_ENTRYPOINT="nsh_main"

Ubiquitous/Nuttx_Fusion_XiUOS/app_match_nuttx/apps/nshlib/Kconfig

@@ -667,6 +667,10 @@ config NSH_DISABLE_K210_FFT
 	bool "Disable the K210 fft device."
 	default n
 
+config NSH_DISABLE_MUSL_TEST
+	bool "Disable the musl test."
+	default n
+
 endmenu
 
 if MMCSD

Ubiquitous/Nuttx_Fusion_XiUOS/app_match_nuttx/apps/nshlib/nsh.h

@@ -1587,6 +1587,10 @@ int nsh_foreach_var(FAR struct nsh_vtbl_s *vtbl, nsh_foreach_var_t cb,
   int cmd_fft(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
 #endif
 
+#if defined(CONFIG_MUSL_LIBC) && !defined(CONFIG_NSH_DISABLE_MUSL_TEST)
+  int cmd_musl(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv);
+#endif
+
 #if defined(__cplusplus)
 }
 #endif

Ubiquitous/Nuttx_Fusion_XiUOS/app_match_nuttx/apps/nshlib/nsh_Applicationscmd.c

@@ -500,3 +500,13 @@ int cmd_fft(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
     return OK;
 }
 #endif
+
+#if defined(CONFIG_MUSL_LIBC) && !defined(CONFIG_NSH_DISABLE_MUSL_TEST)
+extern void Testmusl(void);
+int cmd_musl(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
+{
+    nsh_output(vtbl, "Hello, test musl!\n");
+    Testmusl();
+    return OK;
+}
+#endif

Ubiquitous/Nuttx_Fusion_XiUOS/app_match_nuttx/apps/nshlib/nsh_command.c

@@ -732,6 +732,10 @@ static const struct cmdmap_s g_cmdmap[] =
   { "fft",       cmd_fft,       1, 1, "[K210 fft function.]" },
 #endif
 
+#if defined(CONFIG_MUSL_LIBC) && !defined(CONFIG_NSH_DISABLE_MUSL_TEST)
+  { "testmusl",       cmd_musl,       1, 1, "[test musl function.]" },
+#endif
+
   { NULL,       NULL,         1, 1, NULL }
 };