Port WAMR to ESP-IDF

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

@@ -0,0 +1,72 @@
+/*
+ * 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"
+
+void *
+os_malloc(unsigned size)
+{
+    void *buf_origin;
+    void *buf_fixed;
+    uintptr_t *addr_field;
+
+    buf_origin = malloc(size + 8 + sizeof(uintptr_t));
+    buf_fixed = buf_origin + sizeof(void *);
+    if ((uintptr_t)buf_fixed & (uintptr_t)0x7) {
+        buf_fixed = (void *)((uintptr_t)(buf_fixed + 8) & (~(uintptr_t)7));
+    }
+
+    addr_field = buf_fixed - sizeof(uintptr_t);
+    *addr_field = (uintptr_t)buf_origin;
+
+    return buf_fixed;
+}
+
+void *
+os_realloc(void *ptr, unsigned size)
+{
+    void *mem_origin;
+    void *mem_new;
+    void *mem_new_fixed;
+    uintptr_t *addr_field;
+
+    if (!ptr) {
+        return NULL;
+    }
+
+    addr_field = ptr - sizeof(uintptr_t);
+    mem_origin = (void *)(*addr_field);
+    mem_new = realloc(mem_origin, size + 8 + sizeof(uintptr_t));
+
+    if (mem_origin != mem_new) {
+        mem_new_fixed = mem_new + sizeof(uintptr_t);
+        if ((uint32)mem_new_fixed & 0x7) {
+            mem_new_fixed =
+                (void *)((uintptr_t)(mem_new + 8) & (~(uintptr_t)7));
+        }
+
+        addr_field = mem_new_fixed - sizeof(uintptr_t);
+        *addr_field = (uintptr_t)mem_new;
+
+        return mem_new_fixed;
+    }
+
+    return ptr;
+}
+
+void
+os_free(void *ptr)
+{
+    void *mem_origin;
+    uintptr *addr_field;
+
+    if (ptr) {
+        addr_field = ptr - sizeof(uintptr_t);
+        mem_origin = (void *)(*addr_field);
+
+        free(mem_origin);
+    }
+}

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

@@ -0,0 +1,29 @@
+/*
+ * 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"
+
+void *
+os_mmap(void *hint, size_t size, int prot, int flags)
+{
+    return os_malloc((int)size);
+}
+
+void
+os_munmap(void *addr, size_t size)
+{
+    return os_free(addr);
+}
+
+int
+os_mprotect(void *addr, size_t size, int prot)
+{
+    return 0;
+}
+
+void
+os_dcache_flush()
+{}

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

@@ -6,25 +6,15 @@
 #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();
+    return 0;
 }
 
 void
 bh_platform_destroy()
-{
-    os_thread_sys_destroy();
-}
+{}
 
 int
 os_printf(const char *format, ...)
@@ -45,76 +35,20 @@ os_vprintf(const char *format, va_list ap)
     return vprintf(format, ap);
 }
 
-void *
-os_mmap(void *hint, size_t size, int prot, int flags)
+uint64
+os_time_get_boot_microsecond(void)
 {
-
-    return BH_MALLOC(size);
+    return (uint64)esp_timer_get_time();
 }
 
-void
-os_munmap(void *addr, size_t size)
+uint8 *
+os_thread_get_stack_boundary(void)
 {
-    BH_FREE(addr);
+    return NULL;
 }
 
 int
-os_mprotect(void *addr, size_t size, int prot)
+os_usleep(uint32 usec)
 {
-    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;
+    return usleep(usec);
 }