mirror of
https://github.com/DarkFlippers/unleashed-firmware
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0154018363
* FBT: cdefines to env, libs order * API: strtod, modf, itoa, calloc * Apps: elk js * Apps: mjs * JS: scripts as assets * mjs: composite resolver * mjs: stack trace * ELK JS example removed * MJS thread, MJS lib modified to support script interruption * JS console UI * Module system, BadUSB bindings rework * JS notifications, simple dialog, BadUSB demo * Custom dialogs, dialog demo * MJS as system library, some dirty hacks to make it compile * Plugin-based js modules * js_uart(BadUART) module * js_uart: support for byte array arguments * Script icon and various fixes * File browser: multiple extensions filter, running js scripts from app loader * Running js scripts from archive browser * JS Runner as system app * Example scripts moved to /ext/apps/Scripts * JS bytecode listing generation * MJS builtin printf cleanup * JS examples cleanup * mbedtls version fix * Unused lib cleanup * Making PVS happy & TODOs cleanup * TODOs cleanup #2 * MJS: initial typed arrays support * JS: fix mem leak in uart destructor Co-authored-by: SG <who.just.the.doctor@gmail.com> Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
86 lines
1.9 KiB
C
86 lines
1.9 KiB
C
/*
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* Copyright (c) 2017 Cesanta Software Limited
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* All rights reserved
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*/
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#include "mjs_exec_public.h"
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#include "mjs_internal.h"
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#include "mjs_object.h"
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#include "mjs_primitive.h"
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#include "mjs_util.h"
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void* mjs_mem_to_ptr(unsigned val) {
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return (void*)(uintptr_t)val;
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}
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void* mjs_mem_get_ptr(void* base, int offset) {
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return (char*)base + offset;
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}
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void mjs_mem_set_ptr(void* ptr, void* val) {
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*(void**)ptr = val;
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}
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double mjs_mem_get_dbl(void* ptr) {
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double v;
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memcpy(&v, ptr, sizeof(v));
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return v;
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}
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void mjs_mem_set_dbl(void* ptr, double val) {
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memcpy(ptr, &val, sizeof(val));
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}
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/*
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* TODO(dfrank): add support for unsigned ints to ffi and use
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* unsigned int here
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*/
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double mjs_mem_get_uint(void* ptr, int size, int bigendian) {
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uint8_t* p = (uint8_t*)ptr;
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int i, inc = bigendian ? 1 : -1;
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unsigned int res = 0;
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p += bigendian ? 0 : size - 1;
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for(i = 0; i < size; i++, p += inc) {
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res <<= 8;
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res |= *p;
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}
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return res;
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}
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/*
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* TODO(dfrank): add support for unsigned ints to ffi and use
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* unsigned int here
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*/
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double mjs_mem_get_int(void* ptr, int size, int bigendian) {
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uint8_t* p = (uint8_t*)ptr;
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int i, inc = bigendian ? 1 : -1;
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int res = 0;
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p += bigendian ? 0 : size - 1;
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for(i = 0; i < size; i++, p += inc) {
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res <<= 8;
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res |= *p;
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}
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/* sign-extend */
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{
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int extra = sizeof(res) - size;
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for(i = 0; i < extra; i++) res <<= 8;
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for(i = 0; i < extra; i++) res >>= 8;
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}
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return res;
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}
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void mjs_mem_set_uint(void* ptr, unsigned int val, int size, int bigendian) {
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uint8_t* p = (uint8_t*)ptr + (bigendian ? size - 1 : 0);
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int i, inc = bigendian ? -1 : 1;
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for(i = 0; i < size; i++, p += inc) {
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*p = val & 0xff;
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val >>= 8;
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}
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}
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void mjs_mem_set_int(void* ptr, int val, int size, int bigendian) {
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mjs_mem_set_uint(ptr, val, size, bigendian);
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}
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