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add porting codes of rt-thread (#494)

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This commit is contained in:
alvkeke
2021-01-14 11:26:35 +08:00
committed by GitHub
parent 8a477786f1
commit 8ec03a5165
23 changed files with 1294 additions and 1 deletions
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18
product-mini/platforms/rt-thread/SConscript Normal file
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#
# Copyright (c) 2021, RT-Thread Development Team
#
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
from building import *
cwd = GetCurrentDir()
src = Glob('*.c')
CPPPATH = [cwd]
group = DefineGroup('iwasm_entry', src, depend = ['PKG_USING_WAMR'], CPPPATH = CPPPATH)
Return('group')

66
product-mini/platforms/rt-thread/rtt_embed_entry.cmake Normal file
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#
# Copyright (c) 2021, RT-Thread Development Team
#
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
set(CMAKE_ASM_COMPILER_WORKS 1)
set(WAMR_BUILD_PLATFORM "rt-thread")
set(WAMR_BUILD_TARGET "ARM")
#set(WAMR_BUILD_INTERP 1)
#set(WAMR_BUILD_FAST_INTERP 1)
#set(WAMR_BUILD_AOT 0)
#set(WAMR_BUILD_JIT 0)
#set(WAMR_BUILD_LIBC_BUILTIN 1)
#set(WAMR_BUILD_LIBC_WASI 0)
if (NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif ()
if (NOT DEFINED WAMR_BUILD_INTERP)
# Enable Interpreter by default
set (WAMR_BUILD_INTERP 1)
endif ()
if (NOT DEFINED WAMR_BUILD_AOT)
# Enable AOT by default.
set (WAMR_BUILD_AOT 0)
endif ()
# Disable JIT by default.
set (WAMR_BUILD_JIT 0)
if (NOT DEFINED WAMR_BUILD_LIBC_BUILTIN)
# Enable libc builtin support by default
set (WAMR_BUILD_LIBC_BUILTIN 1)
endif ()
set (WAMR_BUILD_LIBC_WASI 0)
if (NOT DEFINED WAMR_BUILD_FAST_INTERP)
# Enable fast interpreter
set (WAMR_BUILD_FAST_INTERP 1)
endif ()
set (WAMR_BUILD_MULTI_MODULE 0)
set (WAMR_BUILD_LIB_PTHREAD 0)
set (WAMR_BUILD_MINI_LOADER 0)
set (WAMR_BUILD_SIMD 0)
set(WAMR_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/../../..)
set(CMAKE_ASM_COMPILER_WORKS 1)
include(${WAMR_ROOT_DIR}/build-scripts/runtime_lib.cmake)
file (GLOB wamr_entry_src
${WAMR_ROOT_DIR}/product-mini/platforms/rt-thread/rtt_wamr_entry.c
)
set(WAMR_SOURCE ${wamr_entry_src} ${WAMR_RUNTIME_LIB_SOURCE})

345
product-mini/platforms/rt-thread/rtt_wamr_entry.c Normal file
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/*
* Copyright (c) 2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include <rtthread.h>
#include "wasm_export.h"
#include "platform_api_vmcore.h"
#include <dfs.h>
#include <dfs_file.h>
#include <dfs_fs.h>
#include <dfs_posix.h>
static int wasm_vprintf(wasm_exec_env_t env, const char* fmt, va_list va)
{
return vprintf(fmt, va);
}
static int wasm_vsprintf(wasm_exec_env_t env, char* buf, const char* fmt, va_list va)
{
return vsprintf(buf, fmt, va);
}
static int wasm_vsnprintf(wasm_exec_env_t env, char *buf, int n, const char *fmt, va_list va)
{
return vsnprintf(buf, n, fmt, va);
}
static rt_device_t wasm_rt_device_find(wasm_exec_env_t env, const char *name)
{
return rt_device_find(name);
}
static rt_err_t wasm_rt_device_open(wasm_exec_env_t env, rt_device_t dev, rt_uint16_t o_flag)
{
return rt_device_open(dev , o_flag);
}
static rt_size_t wasm_rt_device_write(wasm_exec_env_t env, rt_device_t dev, rt_off_t offset, const void*buf, rt_size_t size)
{
return rt_device_write(dev, offset, buf, size);
}
static rt_size_t wasm_rt_device_read(wasm_exec_env_t env, rt_device_t dev, rt_off_t offset, void *buf, rt_size_t size)
{
return rt_device_read(dev, offset, buf, size);
}
static rt_err_t wasm_rt_device_close(wasm_exec_env_t env, rt_device_t dev)
{
return rt_device_close(dev);
}
static rt_err_t wasm_rt_device_control(wasm_exec_env_t env, rt_device_t dev, int cmd, void *arg)
{
return rt_device_control(dev, cmd, arg);
}
static NativeSymbol native_export_symbols[] = {
{
"vprintf",
wasm_vprintf,
"($*)i"
},
{
"vsprintf",
wasm_vsprintf,
"($$*)i"
},
{
"vsnprintf",
wasm_vsnprintf,
"($i$*)i"
},
{
"rt_device_find",
wasm_rt_device_find,
"($)i"
},
{
"rt_device_open",
wasm_rt_device_open,
"(ii)i"
},
{
"rt_device_write",
wasm_rt_device_write,
"(ii*~)i"
},
{
"rt_device_read",
wasm_rt_device_read,
"(ii*~)i"
},
{
"rt_device_close",
wasm_rt_device_close,
"(i)i"
},
{
"rt_device_control",
wasm_rt_device_control,
"(ii*)i"
}
};
/**
* run WASM module instance.
* @param module_inst instance of wasm module
* @param app_argc wasm argument count
* @param app_argv wasm arguments
* @return NULL
*/
static void *
app_instance_main(wasm_module_inst_t module_inst, int app_argc, char **app_argv)
{
const char *exception;
wasm_application_execute_main(module_inst, app_argc, app_argv);
if ((exception = wasm_runtime_get_exception(module_inst)))
rt_kprintf("%s\n", exception);
return NULL;
}
rt_uint8_t *my_read_file_to_buffer(char* filename, rt_uint32_t *size)
{
struct stat f_stat;
dfs_file_stat(filename, &f_stat);
struct dfs_fd fd;
rt_uint8_t* buff = rt_malloc(f_stat.st_size);
*size = 0;
if (!buff)
{
rt_set_errno(-ENOMEM);
return RT_NULL;
}
int ret = dfs_file_open(&fd, filename, O_RDONLY);
if (ret)
{
rt_free(buff);
rt_set_errno(ret);
return RT_NULL;
}
*size = dfs_file_read(&fd, buff, f_stat.st_size);
dfs_file_close(&fd);
if (*size != f_stat.st_size)
{
rt_free(buff);
rt_set_errno(-EBADF);
return RT_NULL;
}
return buff;
}
void iwasm_help(void)
{
#ifdef WAMR_ENABLE_IWASM_PARAMS
rt_kputs("wrong input: iwasm [-t] [-m] [-s] <*.wasm> <wasm_args ...>\n iwasm [-h]\n");
rt_kputs("\t -h: show this tips.\n");
rt_kputs("\t -t: show time taking to run this app.\n");
rt_kputs("\t -m: show memory taking to run this app\n");
rt_kputs("\t wasm file name and exec params must behind of all vm-param\n");
#else
rt_kputs("wrong input: iwasm <*.wasm> <wasm_args ...>\n");
#endif /* WAMR_ENABLE_PARAMS */
}
int iwasm(int argc, char **argv)
{
rt_uint8_t *wasm_file_buf = NULL;
rt_uint32_t wasm_file_size;
rt_uint32_t stack_size = 4 * 1024, heap_size = 4 * 1024;
wasm_module_t wasm_module = NULL;
wasm_module_inst_t wasm_module_inst = NULL;
RuntimeInitArgs init_args;
static char error_buf[128] = { 0 };
// avoid stack overflow
#ifdef WAMR_ENABLE_IWASM_PARAMS
int i_arg_begin;
bool show_mem = false;
bool show_stack = false;
bool show_time_exec = false;
for(i_arg_begin=1; i_arg_begin < argc; i_arg_begin++)
{
if (argv[i_arg_begin][0] != '-')
{
break;
}
if (argv[i_arg_begin][1] == 'm')
{
show_mem = true;
}
else if (argv[i_arg_begin][1] == 's')
{
show_stack = true;
}
else if (argv[i_arg_begin][1] == 't')
{
show_time_exec = true;
}
else if (argv[i_arg_begin][1] == 'h')
{
iwasm_help();
return 0;
}
else if (argv[i_arg_begin][1] == 0x00)
{
continue;
}
else
{
rt_kprintf("[iwasm] unknown param: %s\n", argv[i_arg_begin]);
}
}
#else /* WAMR_ENABLE_PARAMS */
#define i_arg_begin 1
#endif /* WAMR_ENABLE_PARAMS */
if (argc - i_arg_begin < 1)
{
iwasm_help();
return -1;
}
rt_memset(&init_args, 0, sizeof(RuntimeInitArgs));
init_args.mem_alloc_type = Alloc_With_Allocator;
init_args.mem_alloc_option.allocator.malloc_func = os_malloc;
init_args.mem_alloc_option.allocator.realloc_func = os_realloc;
init_args.mem_alloc_option.allocator.free_func = os_free;
init_args.native_symbols = native_export_symbols;
init_args.n_native_symbols = sizeof(native_export_symbols) / sizeof(NativeSymbol);
init_args.native_module_name = "env";
#ifdef WAMR_ENABLE_IWASM_PARAMS
#if defined(RT_USING_HEAP) && defined(RT_USING_MEMHEAP_AS_HEAP)
extern long list_memheap(void);
if (show_mem)
{
list_memheap();
}
#else
rt_uint32_t total, max, used;
if (show_mem)
{
rt_memory_info(&total, &used, &max);
}
#endif
rt_thread_t tid;
if (show_stack)
{
tid = rt_thread_self();
printf("thread stack addr: %p, size: %u, sp: %p\n", tid->stack_addr, tid->stack_size, tid->sp);
}
#endif /* WAMR_ENABLE_PARAMS */
if (wasm_runtime_full_init(&init_args) == false)
{
rt_kprintf("Init WASM runtime environment failed.\n");
return -1;
}
wasm_file_buf = my_read_file_to_buffer (argv[i_arg_begin], &wasm_file_size);
if (!wasm_file_buf)
{
rt_err_t err = rt_get_errno();
rt_kprintf("WASM load file to RAM failed: %d\n", err);
goto fail1;
}
rt_memset(error_buf, 0x00, sizeof(error_buf));
wasm_module = wasm_runtime_load(wasm_file_buf, wasm_file_size, error_buf, sizeof(error_buf));
if (!wasm_module)
{
rt_kprintf("%s\n", error_buf);
goto fail2;
}
rt_memset(error_buf, 0x00, sizeof(error_buf));
wasm_module_inst = wasm_runtime_instantiate(wasm_module, stack_size, heap_size, error_buf, sizeof(error_buf));
if (!wasm_module_inst)
{
rt_kprintf("%s\n", error_buf);
goto fail3;
}
#ifdef WAMR_ENABLE_IWASM_PARAMS
rt_tick_t ticks_exec;
if (show_time_exec) {
ticks_exec = rt_tick_get();
}
#endif /* WAMR_ENABLE_PARAMS */
app_instance_main(wasm_module_inst, argc - i_arg_begin, &argv[i_arg_begin]);
#ifdef WAMR_ENABLE_IWASM_PARAMS
if (show_time_exec)
{
ticks_exec = rt_tick_get() - ticks_exec;
printf("[iwasm] execute ticks took: %u [ticks/s = %u]\n", ticks_exec, RT_TICK_PER_SECOND);
}
#if defined(RT_USING_HEAP) && defined(RT_USING_MEMHEAP_AS_HEAP)
if (show_mem)
{
list_memheap();
}
#else
rt_uint32_t total_after, max_after, used_after;
if (show_mem)
{
rt_memory_info(&total_after, &used_after, &max_after);
rt_kprintf("[iwasm] memory took: %u\n", used_after - used);
}
#endif
if (show_stack)
{
printf("[iwasm] thread stack addr: %p, size: %u, sp: %p\n", tid->stack_addr, tid->stack_size, tid->sp);
}
#endif /* WAMR_ENABLE_PARAMS */
/* destroy the module instance */
wasm_runtime_deinstantiate(wasm_module_inst);
fail3:
/* unload the module */
wasm_runtime_unload(wasm_module);
fail2:
/* free the file buffer */
rt_free(wasm_file_buf);
fail1:
/* destroy runtime environment */
wasm_runtime_destroy();
return 0;
}
MSH_CMD_EXPORT(iwasm, Embeded VM of WebAssembly);