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Add WASI support for esp-idf platform (#3348)
Add WASI support for esp-idf platform: 1. add Kconfig and cmake scripts 2. add API "openat" when using littlefs 3. add clock/rwlock/file/socket OS adapter
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| menu "WASM Micro Runtime" | ||
| choice WAMR_BUILD_TYPE | ||
| prompt "Build type" | ||
| default WAMR_BUILD_RELEASE | ||
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| config WAMR_BUILD_RELEASE | ||
| bool "Release" | ||
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| config WAMR_BUILD_DEBUG | ||
| bool "Debug" | ||
| endchoice | ||
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| config WAMR_ENABLE_AOT | ||
| bool "AOT" | ||
| default y | ||
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| menuconfig WAMR_ENABLE_INTERP | ||
| bool "Interpreter" | ||
| default y | ||
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| if WAMR_ENABLE_INTERP | ||
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| choice WAMR_INTERP_MODE | ||
| prompt "Interpreter mode" | ||
| default WAMR_INTERP_FAST | ||
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| config WAMR_INTERP_CLASSIC | ||
| bool "Classic" | ||
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| config WAMR_INTERP_FAST | ||
| bool "Fast" | ||
| endchoice | ||
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| choice WAMR_INTERP_LOADER_MODE | ||
| prompt "Loader mode" | ||
| default WAMR_INTERP_LOADER_NORMAL | ||
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| config WAMR_INTERP_LOADER_NORMAL | ||
| bool "Normal" | ||
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| config WAMR_INTERP_LOADER_MINI | ||
| bool "Mini" | ||
| endchoice | ||
| endif | ||
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| config WAMR_ENABLE_LIB_PTHREAD | ||
| bool "Lib pthread" | ||
| default y | ||
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| config WAMR_ENABLE_LIBC_BUILTIN | ||
| bool "Libc builtin" | ||
| default y | ||
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| config WAMR_ENABLE_LIBC_WASI | ||
| bool "Libc WASI" | ||
| default y | ||
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| config WAMR_ENABLE_MEMORY_PROFILING | ||
| bool "Memory profiling" | ||
| default n | ||
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| config WAMR_ENABLE_MULTI_MODULE | ||
| bool "Multi module" | ||
| default n | ||
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| config WAMR_ENABLE_PERF_PROFILING | ||
| bool "Performance profiling" | ||
| default n | ||
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| config WAMR_ENABLE_REF_TYPES | ||
| bool "Reference types" | ||
| default n | ||
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| config WAMR_ENABLE_SHARED_MEMORY | ||
| bool "Shared memory" | ||
| default n | ||
| endmenu |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| /* | ||
| * Copyright (C) 2023 Amazon Inc. All rights reserved. | ||
| * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
| */ | ||
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| #include "libc_errno.h" | ||
| #include "platform_api_extension.h" | ||
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| #define NANOSECONDS_PER_SECOND 1000000000ULL | ||
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| static __wasi_errno_t | ||
| wasi_clockid_to_clockid(__wasi_clockid_t in, clockid_t *out) | ||
| { | ||
| switch (in) { | ||
| case __WASI_CLOCK_MONOTONIC: | ||
| *out = CLOCK_MONOTONIC; | ||
| return __WASI_ESUCCESS; | ||
| case __WASI_CLOCK_REALTIME: | ||
| *out = CLOCK_REALTIME; | ||
| return __WASI_ESUCCESS; | ||
| case __WASI_CLOCK_PROCESS_CPUTIME_ID: | ||
| #if defined(CLOCK_PROCESS_CPUTIME_ID) | ||
| *out = CLOCK_PROCESS_CPUTIME_ID; | ||
| return __WASI_ESUCCESS; | ||
| #else | ||
| return __WASI_ENOTSUP; | ||
| #endif | ||
| case __WASI_CLOCK_THREAD_CPUTIME_ID: | ||
| #if defined(CLOCK_THREAD_CPUTIME_ID) | ||
| *out = CLOCK_THREAD_CPUTIME_ID; | ||
| return __WASI_ESUCCESS; | ||
| #else | ||
| return __WASI_ENOTSUP; | ||
| #endif | ||
| default: | ||
| return __WASI_EINVAL; | ||
| } | ||
| } | ||
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| static __wasi_timestamp_t | ||
| timespec_to_nanoseconds(const struct timespec *ts) | ||
| { | ||
| if (ts->tv_sec < 0) | ||
| return 0; | ||
| if ((__wasi_timestamp_t)ts->tv_sec >= UINT64_MAX / NANOSECONDS_PER_SECOND) | ||
| return UINT64_MAX; | ||
| return (__wasi_timestamp_t)ts->tv_sec * NANOSECONDS_PER_SECOND | ||
| + (__wasi_timestamp_t)ts->tv_nsec; | ||
| } | ||
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| __wasi_errno_t | ||
| os_clock_res_get(__wasi_clockid_t clock_id, __wasi_timestamp_t *resolution) | ||
| { | ||
| clockid_t nclock_id; | ||
| __wasi_errno_t error = wasi_clockid_to_clockid(clock_id, &nclock_id); | ||
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| if (error != __WASI_ESUCCESS) | ||
| return error; | ||
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| struct timespec ts; | ||
| if (clock_getres(nclock_id, &ts) < 0) | ||
| return convert_errno(errno); | ||
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| *resolution = timespec_to_nanoseconds(&ts); | ||
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| return error; | ||
| } | ||
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| __wasi_errno_t | ||
| os_clock_time_get(__wasi_clockid_t clock_id, __wasi_timestamp_t precision, | ||
| __wasi_timestamp_t *time) | ||
| { | ||
| clockid_t nclock_id; | ||
| __wasi_errno_t error = wasi_clockid_to_clockid(clock_id, &nclock_id); | ||
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| (void)precision; | ||
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| if (error != __WASI_ESUCCESS) | ||
| return error; | ||
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| struct timespec ts; | ||
| if (clock_gettime(nclock_id, &ts) < 0) | ||
| return convert_errno(errno); | ||
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| *time = timespec_to_nanoseconds(&ts); | ||
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| return error; | ||
| } |
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