Fix some compilation warnings and add esp-idf platform for experiment (#454)

And fix some code indent issues.

core/app-framework/app-native-shared/attr_container.c

@@ -106,13 +106,13 @@ attr_container_get_attr_begin(const attr_container_t *attr_cont,
 
     /* tag content */
     p += str_len;
-    if (p - attr_cont->buf >= total_length)
+    if ((uint32_t)(p - attr_cont->buf) >= total_length)
         return NULL;
 
     /* attribute num */
     attr_num = get_uint16(p);
     p += sizeof(uint16_t);
-    if (p - attr_cont->buf >= total_length)
+    if ((uint32_t)(p - attr_cont->buf) >= total_length)
         return NULL;
 
     if (p_total_length)
@@ -174,7 +174,8 @@ attr_container_find_attr(const attr_container_t *attr_cont, const char *key)
 
         if (str_len == strlen(key) + 1
                 && memcmp(p + sizeof(uint16_t), key, str_len) == 0) {
-            if (p + sizeof(uint16_t) + str_len - attr_cont->buf >= total_length)
+            if ((uint32_t)(p + sizeof(uint16_t) + str_len
+                           - attr_cont->buf) >= total_length)
                 return NULL;
             return p;
         }
@@ -337,7 +338,7 @@ bool attr_container_set_attr(attr_container_t **p_attr_cont, const char *key,
     }
 
     /* Set the attr buf */
-    str_len = strlen(key) + 1;
+    str_len = (uint16_t)(strlen(key) + 1);
     set_uint16(p, str_len);
     p += sizeof(uint16_t);
     bh_memcpy_s(p, str_len, key, str_len);
@@ -366,7 +367,7 @@ bool attr_container_set_attr(attr_container_t **p_attr_cont, const char *key,
             return true;
         }
 
-        if (p1 - p + msg_end - attr_end >= attr_len) {
+        if ((uint32_t)(p1 - p + msg_end - attr_end) >= attr_len) {
             memmove(p, p1, attr_end - p1);
             bh_memcpy_s(p + (attr_end - p1), attr_len, attr_buf, attr_len);
             attr_container_free(attr_buf);
@@ -399,7 +400,7 @@ bool attr_container_set_attr(attr_container_t **p_attr_cont, const char *key,
         return true;
     } else {
         /* key not found */
-        if (msg_end - attr_end >= attr_len) {
+        if ((uint32_t)(msg_end - attr_end) >= attr_len) {
             bh_memcpy_s(attr_end, msg_end - attr_end, attr_buf, attr_len);
             attr_container_inc_attr_num(attr_cont);
             attr_container_free(attr_buf);
@@ -564,6 +565,9 @@ attr_container_get_attr(const attr_container_t *attr_cont, const char *key)
         bh_memcpy_s(&val.var_name, sizeof(val.var_name), addr, len); \
         break;                                              \
       }                                                     \
+      default:                                              \
+        bh_assert(0);                                       \
+        break;                                              \
     }                                                       \
     return val.var_name;                                    \
   } while (0)
@@ -819,6 +823,9 @@ void attr_container_dump(const attr_container_t *attr_cont)
                     get_uint32(p));
             p += sizeof(uint32_t) + get_uint32(p);
             break;
+        default:
+            bh_assert(0);
+            break;
         }
     }
 

core/app-framework/base/native/timer_wrapper.c

@@ -5,7 +5,7 @@
 
 #include "bh_platform.h"
 #include "app_manager_export.h"
-#include "module_wasm_app.h"
+#include "../app-manager/module_wasm_app.h"
 #include "timer_native_api.h"
 
 static bool timer_thread_run = true;

core/app-mgr/app-manager/app_manager.c

@@ -396,4 +396,5 @@ module_interface *g_module_interfaces[Module_Max] = {
 #else
         NULL
 #endif
-    };
+};
+

core/app-mgr/app-manager/app_manager_host.c

@@ -209,13 +209,14 @@ int aee_host_msg_callback(void *msg, uint16_t msg_len)
                     memset(&request, 0, sizeof(request));
 
                     if (!unpack_request(recv_ctx.message.payload,
-                            recv_ctx.message.payload_size, &request))
+                                        recv_ctx.message.payload_size, &request))
                         continue;
 
                     request.sender = ID_HOST;
 
                     am_dispatch_request(&request);
-                } else {
+                }
+                else {
                     app_manager_printf("unexpected host msg type: %d\n", msg_type);
                 }
 

core/app-mgr/app-manager/message.c

@@ -73,8 +73,8 @@ bool send_error_response_to_host(int mid, int status, const char *msg)
         }
     }
 
-    set_response(response, status,
-    FMT_ATTR_CONTAINER, (const char *)payload, payload_len);
+    set_response(response, status, FMT_ATTR_CONTAINER,
+                 (const char *)payload, payload_len);
     response->mid = mid;
 
     send_response_to_host(response);

core/app-mgr/app-mgr-shared/app_manager_export.h

@@ -173,11 +173,11 @@ typedef struct host_interface {
  * @return true if success, false otherwise
  */
 bool
-app_manager_host_init(host_interface *interface);
+app_manager_host_init(host_interface *intf);
 
 /* Startup app manager */
 void
-app_manager_startup(host_interface *interface);
+app_manager_startup(host_interface *intf);
 
 /* Get queue of current applet */
 void *

core/config.h

@@ -226,7 +226,7 @@
 
 /* Default/min/max stack size of each app thread */
 #if !defined(BH_PLATFORM_ZEPHYR) && !defined(BH_PLATFORM_ALIOS_THINGS) \
-    && !defined(BH_PLATFORM_FREERTOS)
+    && !defined(BH_PLATFORM_ESP_IDF) && !defined(BH_PLATFORM_OPENRTOS)
 #define APP_THREAD_STACK_SIZE_DEFAULT (32 * 1024)
 #define APP_THREAD_STACK_SIZE_MIN (24 * 1024)
 #else
@@ -259,5 +259,9 @@
 #define WASM_ENABLE_TAIL_CALL 0
 #endif
 
+#ifndef WASM_ENABLE_CUSTOM_NAME_SECTION
+#define WASM_ENABLE_CUSTOM_NAME_SECTION 0
+#endif
+
 #endif /* end of _CONFIG_H_ */
 

core/iwasm/aot/aot_loader.c

@@ -1663,6 +1663,10 @@ load_from_sections(AOTModule *module, AOTSection *sections,
                                              error_buf, error_buf_size))
                     return false;
                 break;
+            default:
+                set_error_buf(error_buf, error_buf_size,
+                              "invalid aot section type");
+                return false;
         }
 
         section = section->next;

core/iwasm/aot/aot_reloc.h

@@ -36,8 +36,8 @@ typedef struct {
     REG_SYM(aot_call_indirect),           \
     REG_SYM(wasm_runtime_enlarge_memory), \
     REG_SYM(wasm_runtime_set_exception),  \
-    REG_SYM(memset),                      \
-    REG_SYM(memmove),                     \
+    REG_SYM(aot_memset),                  \
+    REG_SYM(aot_memmove),                 \
     REG_BULK_MEMORY_SYM()                 \
     REG_ATOMIC_WAIT_SYM()
 #else /* else of (defined(_WIN32) || defined(_WIN32_)) && defined(NDEBUG) */
@@ -47,8 +47,8 @@ typedef struct {
     REG_SYM(aot_call_indirect),           \
     REG_SYM(wasm_runtime_enlarge_memory), \
     REG_SYM(wasm_runtime_set_exception),  \
-    REG_SYM(memset),                      \
-    REG_SYM(memmove),                     \
+    REG_SYM(aot_memset),                  \
+    REG_SYM(aot_memmove),                 \
     REG_SYM(fmin),                        \
     REG_SYM(fminf),                       \
     REG_SYM(fmax),                        \

core/iwasm/aot/aot_runtime.c

@@ -1907,6 +1907,18 @@ aot_call_indirect(WASMExecEnv *exec_env,
     }
 }
 
+void *
+aot_memmove(void *dest, const void *src, size_t n)
+{
+    return memmove(dest, src, n);
+}
+
+void *
+aot_memset(void *s, int c, size_t n)
+{
+    return memset(s, c, n);
+}
+
 #if WASM_ENABLE_BULK_MEMORY != 0
 bool
 aot_memory_init(AOTModuleInstance *module_inst, uint32 seg_index,

core/iwasm/aot/aot_runtime.h

@@ -527,6 +527,12 @@ aot_call_indirect(WASMExecEnv *exec_env,
 uint32
 aot_get_plt_table_size();
 
+void *
+aot_memmove(void *dest, const void *src, size_t n);
+
+void *
+aot_memset(void *s, int c, size_t n);
+
 #if WASM_ENABLE_BULK_MEMORY != 0
 bool
 aot_memory_init(AOTModuleInstance *module_inst, uint32 seg_index,

core/iwasm/common/wasm_memory.c

@@ -7,6 +7,8 @@
 #include "bh_platform.h"
 #include "mem_alloc.h"
 
+#define BH_ENABLE_MEMORY_PROFILING 0
+
 #if BH_ENABLE_MEMORY_PROFILING != 0
 
 /* Memory profile data of a function */

core/iwasm/common/wasm_native.c

@@ -8,7 +8,7 @@
 #include "bh_log.h"
 
 #if !defined(BH_PLATFORM_ZEPHYR) && !defined(BH_PLATFORM_ALIOS_THINGS) \
-    && !defined(BH_PLATFORM_FREERTOS)
+    && !defined(BH_PLATFORM_OPENRTOS) && !defined(BH_PLATFORM_ESP_IDF)
 #define ENABLE_QUICKSORT 1
 #else
 #define ENABLE_QUICKSORT 0

core/iwasm/include/aot_export.h

@@ -6,7 +6,7 @@
 #ifndef _AOT_EXPORT_H
 #define _AOT_EXPORT_H
 
-#include <inttypes.h>
+#include <stdint.h>
 #include <stdbool.h>
 
 

core/iwasm/interpreter/wasm_loader.c

@@ -6393,6 +6393,9 @@ handle_op_block_and_loop:
                             }
 #endif
                             break;
+                        default:
+                            bh_assert(0);
+                            break;
                     }
 
                     ref_type = *(loader_ctx->frame_ref - 1);

core/iwasm/libraries/libc-builtin/libc_builtin_wrapper.c

@@ -399,6 +399,31 @@ sprintf_out(int c, struct str_context *ctx)
     return c;
 }
 
+#ifdef BH_PLATFORM_OPENRTOS
+PRIVILEGED_DATA static char print_buf[128] = { 0 };
+PRIVILEGED_DATA static int print_buf_size = 0;
+
+static int
+printf_out(int c, struct str_context *ctx)
+{
+    if (c == '\n') {
+        print_buf[print_buf_size] = '\0';
+        os_printf("%s\n", print_buf);
+        print_buf_size = 0;
+    }
+    else if (print_buf_size >= sizeof(print_buf) - 2) {
+        print_buf[print_buf_size++] = (char)c;
+        print_buf[print_buf_size] = '\0';
+        os_printf("%s\n", print_buf);
+        print_buf_size = 0;
+    }
+    else {
+        print_buf[print_buf_size++] = (char)c;
+    }
+    ctx->count++;
+    return c;
+}
+#else
 static int
 printf_out(int c, struct str_context *ctx)
 {
@@ -406,6 +431,7 @@ printf_out(int c, struct str_context *ctx)
     ctx->count++;
     return c;
 }
+#endif
 
 static int
 printf_wrapper(wasm_exec_env_t exec_env,

core/shared/coap/er-coap/coap-constants.h

@@ -84,7 +84,7 @@ typedef enum {
 
 /* CoAP response codes */
 typedef enum {
-  NO_ERROR = 0,
+  COAP_NO_ERROR = 0,
 
   CREATED_2_01 = 65,            /* CREATED */
   DELETED_2_02 = 66,            /* DELETED */

core/shared/platform/common/freertos/freertos_malloc.c

@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include "platform_api_vmcore.h"
+
+
+void *
+os_malloc(unsigned size)
+{
+    return NULL;
+}
+
+void *
+os_realloc(void *ptr, unsigned size)
+{
+    return NULL;
+}
+
+void
+os_free(void *ptr)
+{
+}
+

core/shared/platform/common/freertos/freertos_thread.c

@@ -8,9 +8,12 @@
 
 #define bh_assert(v) do {                                   \
     if (!(v)) {                                             \
+        int _count = 1;                                     \
         os_printf("\nASSERTION FAILED: %s, at %s, line %d\n",\
-                  #v, __FILE__, __LINE__);                   \
-        abort();                                            \
+                  #v, __FILE__, __LINE__);                  \
+        /* divived by 0 to make it abort */                 \
+        os_printf("%d\n", _count / (_count - 1));           \
+        while (1);                                          \
     }                                                       \
   } while (0)
 
@@ -293,7 +296,8 @@ int os_thread_join(korp_tid thread, void **value_ptr)
 int os_mutex_init(korp_mutex *mutex)
 {
     SemaphoreHandle_t semaphore;
-	if (!(semaphore = xSemaphoreCreateMutex()))
+
+    if (!(semaphore = xSemaphoreCreateMutex()))
         return BHT_ERROR;
     mutex->sem = semaphore;
     mutex->is_recursive = false;
@@ -303,6 +307,7 @@ int os_mutex_init(korp_mutex *mutex)
 int os_recursive_mutex_init(korp_mutex *mutex)
 {
     SemaphoreHandle_t semaphore;
+
     if (!(semaphore = xSemaphoreCreateRecursiveMutex()))
         return BHT_ERROR;
     mutex->sem = semaphore;
@@ -418,9 +423,3 @@ int os_cond_signal(korp_cond *cond)
     return BHT_OK;
 }
 
-uint8 *os_thread_get_stack_boundary()
-{
-    /* TODO: implement os_thread_get_stack_boundary */
-    return NULL;
-}
-

core/shared/platform/common/freertos/platform_api_freertos.cmake

@@ -0,0 +1,8 @@
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+set (PLATFORM_COMMON_FREERTOS_DIR ${CMAKE_CURRENT_LIST_DIR})
+
+file (GLOB_RECURSE source_all ${PLATFORM_COMMON_FREERTOS_DIR}/*.c)
+
+set (PLATFORM_COMMON_FREERTOS_SOURCE ${source_all} )

core/shared/platform/common/math/math.c

@@ -32,6 +32,10 @@
 
 #define __FDLIBM_STDC__
 
+#ifndef FLT_EVAL_METHOD
+#define FLT_EVAL_METHOD 0
+#endif
+
 typedef uint32_t u_int32_t;
 typedef uint64_t u_int64_t;
 

core/shared/platform/esp-idf/espidf_platform.c

@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include "platform_api_vmcore.h"
+#include "platform_api_extension.h"
+
+
+int errno = 0;
+
+int
+os_thread_sys_init();
+
+void
+os_thread_sys_destroy();
+
+int
+bh_platform_init()
+{
+    return os_thread_sys_init();
+}
+
+void
+bh_platform_destroy()
+{
+    os_thread_sys_destroy();
+}
+
+int os_printf(const char *format, ...)
+{
+    int ret = 0;
+    va_list ap;
+
+    va_start(ap, format);
+    ret += vprintf(format, ap);
+    va_end(ap);
+
+    return ret;
+}
+
+int
+os_vprintf(const char *format, va_list ap)
+{
+    return vprintf(format, ap);
+}
+
+void *
+os_mmap(void *hint, size_t size, int prot, int flags)
+{
+
+    return BH_MALLOC(size);
+}
+
+void
+os_munmap(void *addr, size_t size)
+{
+    BH_FREE(addr);
+}
+
+int
+os_mprotect(void *addr, size_t size, int prot)
+{
+    return 0;
+}
+
+void
+os_dcache_flush()
+{
+}
+
+int
+atoi(const char *nptr)
+{
+    bool is_negative = false;
+    int total = 0;
+    const char *p = nptr;
+    char temp = '0';
+
+    if (NULL == p) {
+        os_printf("invlaid atoi input\n");
+        return 0;
+    }
+
+    if (*p == '-') {
+        is_negative = true;
+        p++;
+    }
+
+    while ((temp = *p++) != '\0') {
+        if (temp > '9' || temp < '0') {
+            continue;
+        }
+
+        total = total * 10 + (int)(temp - '0');
+    }
+
+    if (is_negative)
+        total = 0 - total;
+
+    return total;
+}
+
+void *
+memmove(void *dest, const void *src, size_t n)
+{
+    char *d = dest;
+    const char *s = src;
+
+    if (d < s) {
+        while (n--)
+            *d++ = *s++;
+    }
+    else {
+        const char *lasts = s + (n-1);
+        char *lastd = d + (n-1);
+        while (n--)
+            *lastd-- = *lasts--;
+    }
+    return dest;
+}
+

core/shared/platform/esp-idf/espidf_thread.c

@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#include "platform_api_vmcore.h"
+#include "platform_api_extension.h"
+
+uint8 *os_thread_get_stack_boundary()
+{
+    /* TODO: implement os_thread_get_stack_boundary */
+    return NULL;
+}
+

core/shared/platform/esp-idf/platform_internal.h

@@ -20,8 +20,8 @@
 #include <task.h>
 #include <os_api.h>
 
-#ifndef BH_PLATFORM_FREERTOS
-#define BH_PLATFORM_FREERTOS
+#ifndef BH_PLATFORM_ESP_IDF
+#define BH_PLATFORM_ESP_IDF
 #endif
 
 #define BH_APPLET_PRESERVED_STACK_SIZE (2 * BH_KB)

core/shared/platform/esp-idf/shared_platform.cmake

@@ -3,14 +3,17 @@
 
 set (PLATFORM_SHARED_DIR ${CMAKE_CURRENT_LIST_DIR})
 
-add_definitions(-DBH_PLATFORM_FREERTOS)
+add_definitions(-DBH_PLATFORM_ESP_IDF)
 
 include_directories(${PLATFORM_SHARED_DIR})
 include_directories(${PLATFORM_SHARED_DIR}/../include)
 
+include (${CMAKE_CURRENT_LIST_DIR}/../common/freertos/platform_api_freertos.cmake)
 include (${CMAKE_CURRENT_LIST_DIR}/../common/math/platform_api_math.cmake)
 
 file (GLOB_RECURSE source_all ${PLATFORM_SHARED_DIR}/*.c)
 
-set (PLATFORM_SHARED_SOURCE ${source_all} ${PLATFORM_COMMON_MATH_SOURCE})
+set (PLATFORM_SHARED_SOURCE ${source_all}
+                            ${PLATFORM_COMMON_MATH_SOURCE}
+                            ${PLATFORM_COMMON_FREERTOS_SOURCE})
 

core/shared/platform/freertos/freertos_platform.c

@@ -1,315 +0,0 @@
-/*
- * Copyright (C) 2019 Intel Corporation.  All rights reserved.
- * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- */
-
-#include "platform_api_vmcore.h"
-#include "platform_api_extension.h"
-
-
-int errno = 0;
-
-int
-os_thread_sys_init();
-
-void
-os_thread_sys_destroy();
-
-int
-bh_platform_init()
-{
-    return os_thread_sys_init();
-}
-
-void
-bh_platform_destroy()
-{
-    os_thread_sys_destroy();
-}
-
-void *
-os_malloc(unsigned size)
-{
-    return NULL;
-}
-
-void *
-os_realloc(void *ptr, unsigned size)
-{
-    return NULL;
-}
-
-void
-os_free(void *ptr)
-{
-}
-
-int os_printf(const char *format, ...)
-{
-    /* TODO: implement os_printf */
-    return 0;
-}
-
-int
-os_vprintf(const char *format, va_list ap)
-{
-    /* TODO: implement os_vprintf */
-    return 1;
-}
-
-void *
-os_mmap(void *hint, size_t size, int prot, int flags)
-{
-
-    return BH_MALLOC(size);
-}
-
-void
-os_munmap(void *addr, size_t size)
-{
-    BH_FREE(addr);
-}
-
-int
-os_mprotect(void *addr, size_t size, int prot)
-{
-    return 0;
-}
-
-void
-os_dcache_flush()
-{
-}
-
-int atoi(const char *nptr)
-{
-    bool is_negative = false;
-    int total = 0;
-    const char *p = nptr;
-    char temp = '0';
-
-    if (NULL == p) {
-        os_printf("invlaid atoi input\n");
-        return 0;
-    }
-
-    if (*p == '-') {
-        is_negative = true;
-        p++;
-    }
-
-    while ((temp = *p++) != '\0') {
-        if (temp > '9' || temp < '0') {
-            continue;
-        }
-
-        total = total * 10 + (int)(temp - '0');
-    }
-
-    if (is_negative)
-        total = 0 - total;
-
-    return total;
-}
-
-/**
- * TODO: implement these APIs which are needed by libc_builtin_wrapper.c
- *       and wasm_runtime_common.c
- */
-int strncasecmp(const char *s1, const char *s2, size_t n)
-{
-    os_printf("### unimplemented function strncasecmp called!\n");
-    return 0;
-}
-
-long int strtol(const char *str, char **endptr, int base)
-{
-    os_printf("### unimplemented function strtol called!\n");
-    return 0;
-}
-
-unsigned long int strtoul(const char *str, char **endptr, int base)
-{
-    os_printf("### unimplemented function strtoul called!\n");
-    return 0;
-}
-
-unsigned long long int strtoull(const char *nptr, char **endptr, int base)
-{
-    os_printf("### unimplemented function strtoull called!\n");
-    return 0;
-}
-
-double strtod(const char *nptr, char **endptr)
-{
-    os_printf("### unimplemented function strtod called!\n");
-    return 0;
-}
-
-float strtof(const char *nptr, char **endptr)
-{
-    os_printf("### unimplemented function strtof called!\n");
-    return 0;
-}
-
-char *strstr(const char *haystack, const char *needle)
-{
-    os_printf("### unimplemented function strstr called!\n");
-    return NULL;
-}
-
-size_t strspn(const char *s, const char *accept)
-{
-    os_printf("### unimplemented function strspn called!\n");
-    return 0;
-}
-
-size_t strcspn(const char *s, const char *reject)
-{
-    os_printf("### unimplemented function strcspn called!\n");
-    return 0;
-}
-
-void *memchr(const void *s, int c, size_t n)
-{
-    os_printf("### unimplemented function memchr called!\n");
-    return NULL;
-}
-
-int isalnum(int c)
-{
-    os_printf("### unimplemented function isalnum called!\n");
-    return 0;
-}
-
-int isxdigit(int c)
-{
-    os_printf("### unimplemented function isxdigit called!\n");
-    return 0;
-}
-
-int isdigit(int c)
-{
-    os_printf("### unimplemented function isdigit called!\n");
-    return 0;
-}
-
-int isprint(int c)
-{
-    os_printf("### unimplemented function isprint called!\n");
-    return 0;
-}
-
-int isgraph(int c)
-{
-    os_printf("### unimplemented function isgraph called!\n");
-    return 0;
-}
-
-int isspace(int c)
-{
-    os_printf("### unimplemented function isspace called!\n");
-    return 0;
-}
-
-int isalpha(int c)
-{
-    os_printf("### unimplemented function isalpha called!\n");
-    return 0;
-}
-
-int isupper(int c)
-{
-    os_printf("### unimplemented function isupper called!\n");
-    return 0;
-}
-
-int toupper(int c)
-{
-    os_printf("### unimplemented function toupper called!\n");
-    return 0;
-}
-
-int tolower(int c)
-{
-    os_printf("### unimplemented function tolower called!\n");
-    return 0;
-}
-
-void *memmove(void *dest, const void *src, size_t n)
-{
-    char *d = dest;
-    const char *s = src;
-
-    if (d < s) {
-        while (n--)
-            *d++ = *s++;
-    }
-    else {
-        const char *lasts = s + (n-1);
-        char *lastd = d + (n-1);
-        while (n--)
-            *lastd-- = *lasts--;
-    }
-    return dest;
-}
-
-static union {
-    int a;
-    char b;
-} __ue = { .a = 1 };
-
-#define is_little_endian() (__ue.b == 1)
-
-static void swap32(uint8_t* pData)
-{
-    uint8_t value = *pData;
-    *pData = *(pData + 3);
-    *(pData + 3) = value;
-
-    value = *(pData + 1);
-    *(pData + 1) = *(pData + 2);
-    *(pData + 2) = value;
-}
-
-static void swap16(uint8_t* pData)
-{
-    uint8_t value = *pData;
-    *(pData) = *(pData + 1);
-    *(pData + 1) = value;
-}
-
-uint32_t htonl(uint32_t value)
-{
-    uint32_t ret;
-    if (is_little_endian()) {
-        ret = value;
-        swap32((uint8*) &ret);
-        return ret;
-    }
-
-    return value;
-}
-
-uint32_t ntohl(uint32_t value)
-{
-    return htonl(value);
-}
-
-uint16_t htons(uint16_t value)
-{
-    uint16_t ret;
-    if (is_little_endian()) {
-        ret = value;
-        swap16((uint8_t *)&ret);
-        return ret;
-    }
-
-    return value;
-}
-
-uint16_t ntohs(uint16_t value)
-{
-    return htons(value);
-}
-

core/shared/platform/windows/win_thread.c

@@ -147,7 +147,6 @@ int os_thread_detach(korp_tid thread)
 
 void os_thread_exit(void *retval)
 {
-    return BHT_OK;
 }
 
 uint8 *os_thread_get_stack_boundary()

core/shared/utils/bh_log.c

@@ -26,7 +26,7 @@ bh_log(LogLevel log_level, const char *file, int line, const char *fmt, ...)
     uint64 usec;
     uint32 t, h, m, s, mills;
 
-    if (log_level > log_verbose_level)
+    if ((uint32)log_level > log_verbose_level)
         return;
 
     self = os_self_thread();

product-mini/platforms/esp-idf/CMakeLists.txt

@@ -0,0 +1,55 @@
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+# from ESP-IDF 4.0 examples/build_system/cmake/idf_as_lib
+cmake_minimum_required(VERSION 3.5)
+
+project(wamr_esp_idf C)
+
+enable_language (ASM)
+
+# Include for ESP-IDF build system functions
+include($ENV{IDF_PATH}/tools/cmake/idf.cmake)
+
+# Create idf::esp32 and idf::freertos static libraries
+idf_build_process(esp32
+                  # try and trim the build; additional components
+                  # will be included as needed based on dependency tree
+                  #
+                  # although esptool_py does not generate static library,
+                  # processing the component is needed for flashing related
+                  # targets and file generation
+                  COMPONENTS esp32 freertos esptool_py
+                  SDKCONFIG ${CMAKE_BINARY_DIR}/sdkconfig
+                  BUILD_DIR ${CMAKE_BINARY_DIR})
+
+include_directories(build/config
+                    xtensa/include
+                    $ENV{IDF_PATH}/components/esp32/include
+                    $ENV{IDF_PATH}/components/esp_common/include
+                    $ENV{IDF_PATH}/components/esp_rom/include
+                    $ENV{IDF_PATH}/components/freertos/include
+                    $ENV{IDF_PATH}/components/heap/include
+                    $ENV{IDF_PATH}/components/soc/esp32/include
+                    $ENV{IDF_PATH}/components/xtensa/include
+                    $ENV{IDF_PATH}/components/xtensa/esp32/include)
+
+set(WAMR_BUILD_PLATFORM "esp-idf")
+set(WAMR_BUILD_TARGET "XTENSA")
+set(WAMR_BUILD_INTERP 1)
+set(WAMR_BUILD_FAST_INTERP 1)
+set(WAMR_BUILD_AOT 1)
+set(WAMR_BUILD_LIBC_BUILTIN 1)
+set(WAMR_BUILD_LIBC_WASI 0)
+
+set(WAMR_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../..)
+
+include(${WAMR_ROOT_DIR}/build-scripts/runtime_lib.cmake)
+add_library(vmlib ${WAMR_RUNTIME_LIB_SOURCE})
+
+set(elf_file ${CMAKE_PROJECT_NAME}.elf)
+add_executable(${elf_file} main.c iwasm_main.c)
+
+# Link the static libraries to the executable
+target_link_libraries(${elf_file} idf::esp32 idf::freertos idf::spi_flash vmlib)
+

product-mini/platforms/esp-idf/sources.mk

@@ -1,5 +1,5 @@
 # TODO: set WAMR root dir
-WAMR_ROOT := ../../../../
+WAMR_ROOT := ../../..
 
 override PROJECT_CFLAGS := $(PROJECT_CFLAGS) -Wno-unused-parameter -Wno-pedantic
 
@@ -12,11 +12,11 @@ override PROJECT_CFLAGS := $(PROJECT_CFLAGS) \
                            -I$(WAMR_INC_ROOT)/core/shared/utils \
                            -I$(WAMR_INC_ROOT)/core/shared/mem-alloc \
                            -I$(WAMR_INC_ROOT)/core/shared/platform/include \
-                           -I$(WAMR_INC_ROOT)/core/shared/platform/freertos \
+                           -I$(WAMR_INC_ROOT)/core/shared/platform/esp-idf \
                            -I$(WAMR_INC_ROOT)/core/iwasm/interpreter
 
 override PROJECT_CFLAGS := $(PROJECT_CFLAGS) \
-                           -DBH_PLATFORM_FREERTOS \
+                           -DBH_PLATFORM_ESP_IDF \
                            -DBH_MALLOC=wasm_runtime_malloc \
                            -DBH_FREE=wasm_runtime_free \
                            -DBUILD_TARGET_X86_32 \
@@ -25,10 +25,11 @@ override PROJECT_CFLAGS := $(PROJECT_CFLAGS) \
                            -DWASM_ENABLE_LIBC_BUILTIN=1
 
 override PROJECT_CSRC := $(PROJECT_CSRC) \
-                         $(WAMR_SRC_ROOT)/core/shared/platform/freertos/freertos_platform.c \
-                         $(WAMR_SRC_ROOT)/core/shared/platform/freertos/freertos_thread.c \
-                         $(WAMR_SRC_ROOT)/core/shared/platform/freertos/freertos_time.c \
-                         $(WAMR_SRC_ROOT)/core/shared/platform/common/math/math.c \
+                         $(WAMR_SRC_ROOT)/core/shared/platform/esp-idf/espidf_platform.c \
+                         $(WAMR_SRC_ROOT)/core/shared/platform/esp-idf/espidf_thread.c \
+                         $(WAMR_SRC_ROOT)/core/shared/platform/common/freertos/freertos_malloc.c \
+                         $(WAMR_SRC_ROOT)/core/shared/platform/common/freertos/freertos_thread.c \
+                         $(WAMR_SRC_ROOT)/core/shared/platform/common/freertos/freertos_time.c \
                          $(WAMR_SRC_ROOT)/core/shared/mem-alloc/mem_alloc.c \
                          $(WAMR_SRC_ROOT)/core/shared/mem-alloc/ems/ems_kfc.c \
                          $(WAMR_SRC_ROOT)/core/shared/mem-alloc/ems/ems_hmu.c \
@@ -50,5 +51,5 @@ override PROJECT_CSRC := $(PROJECT_CSRC) \
                          $(WAMR_SRC_ROOT)/core/iwasm/interpreter/wasm_interp_classic.c \
                          $(WAMR_SRC_ROOT)/core/iwasm/interpreter/wasm_loader.c \
                          $(WAMR_SRC_ROOT)/core/iwasm/interpreter/wasm_runtime.c \
-                         $(WAMR_SRC_ROOT)/product-mini/platforms/freertos/simple/iwasm_main.c \
-                         $(WAMR_SRC_ROOT)/product-mini/platforms/freertos/simple/main.c
+                         $(WAMR_SRC_ROOT)/product-mini/platforms/esp-idf/iwasm_main.c \
+                         $(WAMR_SRC_ROOT)/product-mini/platforms/esp-idf/main.c

product-mini/platforms/nuttx/wamr.mk

@@ -134,8 +134,6 @@ else
 CFLAGS += -DWASM_ENABLE_GLOBAL_HEAP_POOL=0
 endif
 
-CFLAGS += -DBH_ENABLE_MEMORY_PROFILING=0
-
 CFLAGS += -Wno-strict-prototypes -Wno-shadow -Wno-unused-variable
 CFLAGS += -Wno-int-conversion -Wno-implicit-function-declaration