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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include <stdlib.h>
#include <string.h>
#include "bh_platform.h"
#include "bh_log.h"
#include "wasm_export.h"
#include "test_wasm.h"
static int app_argc;
static char **app_argv;
/**
* Find the unique main function from a WASM module instance
* and execute that function.
*
* @param module_inst the WASM module instance
* @param argc the number of arguments
* @param argv the arguments array
*
* @return true if the main function is called, false otherwise.
*/
bool
wasm_application_execute_main(wasm_module_inst_t module_inst, int32_t argc,
char *argv[]);
static void *
app_instance_main(wasm_module_inst_t module_inst)
{
const char *exception;
wasm_application_execute_main(module_inst, app_argc, app_argv);
if ((exception = wasm_runtime_get_exception(module_inst)))
printf("%s\n", exception);
return NULL;
}
#if WASM_ENABLE_GLOBAL_HEAP_POOL != 0
static char global_heap_buf[WASM_GLOBAL_HEAP_SIZE] = { 0 };
#endif
void
iwasm_main(void *arg1)
{
uint8 *wasm_file_buf = NULL;
uint32 wasm_file_size;
wasm_module_t wasm_module = NULL;
wasm_module_inst_t wasm_module_inst = NULL;
RuntimeInitArgs init_args;
char error_buf[128];
#if WASM_ENABLE_LOG != 0
int log_verbose_level = 2;
#endif
(void)arg1;
memset(&init_args, 0, sizeof(RuntimeInitArgs));
#if WASM_ENABLE_GLOBAL_HEAP_POOL != 0
init_args.mem_alloc_type = Alloc_With_Pool;
init_args.mem_alloc_option.pool.heap_buf = global_heap_buf;
init_args.mem_alloc_option.pool.heap_size = sizeof(global_heap_buf);
#else
#error Another memory allocation scheme than global heap pool is not implemented yet for Alios.
#endif
/* initialize runtime environment */
if (!wasm_runtime_full_init(&init_args)) {
printf("Init runtime environment failed.\n");
return;
}
#if WASM_ENABLE_LOG != 0
bh_log_set_verbose_level(log_verbose_level);
#endif
/* load WASM byte buffer from byte buffer of include file */
wasm_file_buf = (uint8 *)wasm_test_file;
wasm_file_size = sizeof(wasm_test_file);
/* load WASM module */
if (!(wasm_module = wasm_runtime_load(wasm_file_buf, wasm_file_size,
error_buf, sizeof(error_buf)))) {
printf("%s\n", error_buf);
goto fail1;
}
/* instantiate the module */
if (!(wasm_module_inst = wasm_runtime_instantiate(
wasm_module, 8 * 1024, 8 * 1024, error_buf, sizeof(error_buf)))) {
printf("%s\n", error_buf);
goto fail2;
}
app_instance_main(wasm_module_inst);
/* destroy the module instance */
wasm_runtime_deinstantiate(wasm_module_inst);
fail2:
/* unload the module */
wasm_runtime_unload(wasm_module);
fail1:
/* destroy runtime environment */
wasm_runtime_destroy();
}
#define DEFAULT_THREAD_STACKSIZE (6 * 1024)
#define DEFAULT_THREAD_PRIORITY 50
bool
iwasm_init(void)
{
int ret =
aos_task_new("wasm-main", iwasm_main, NULL, DEFAULT_THREAD_STACKSIZE);
return ret == 0 ? true : false;
}
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