Using posix thread implemention for NuttX

Signed-off-by: Huang Qi <[email protected]>

Author: no1wudi

core/shared/platform/nuttx/nuttx_platform.c

@@ -57,14 +57,3 @@ os_mprotect(void *addr, size_t size, int prot)
 void
 os_dcache_flush()
 {}
-
-uint64
-os_time_get_boot_microsecond()
-{
-    struct timespec ts;
-    if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0) {
-        return 0;
-    }
-
-    return ((uint64)ts.tv_sec) * 1000 * 1000 + ((uint64)ts.tv_nsec) / 1000;
-}

core/shared/platform/nuttx/nuttx_thread.c

@@ -16,6 +16,8 @@
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
+#include <sys/time.h>
+#include <sys/mman.h>
 
 #ifdef __cplusplus
 extern "C" {

core/shared/platform/nuttx/platform_internal.h

@@ -153,7 +153,8 @@ CFLAGS += -I${IWASM_ROOT}/interpreter
 endif
 
 CSRCS += nuttx_platform.c \
-         nuttx_thread.c \
+         posix_thread.c \
+         posix_time.c \
          mem_alloc.c \
          ems_kfc.c \
          ems_alloc.c \
@@ -176,6 +177,7 @@ CSRCS += nuttx_platform.c \
 ASRCS += ${INVOKE_NATIVE}
 
 VPATH += ${SHARED_ROOT}/platform/nuttx
+VPATH += ${SHARED_ROOT}/platform/common/posix
 VPATH += ${SHARED_ROOT}/mem-alloc
 VPATH += ${SHARED_ROOT}/mem-alloc/ems
 VPATH += ${SHARED_ROOT}/utils