inline dj_global_id dj_vm_getRuntimeClass(dj_vm *vm, runtime_id_t id)
{
dj_global_id ret;
dj_infusion *infusion = vm->infusions;
runtime_id_t base = 0;
// TODO: optimize this! (binary search?)
// TODO: test for multiple loaded infusions
while (infusion!=NULL)
{
base = infusion->class_base;
if ((id>=base)&&(id<base + dj_di_parentElement_getListSize(infusion->classList)))
{
ret.infusion = infusion;
ret.entity_id = id - base;
return ret;
}
infusion = infusion->next;
}
// TODO raise error, class not found
DEBUG_LOG(DBG_DARJEELING, "error: class not found: %d\n", id);
DARJEELING_PRINTF("error: class not found: %d\n", id);
#ifdef DARJEELING_DEBUG_FRAME
dj_exec_debugCurrentFrame();
#endif
dj_panic(DJ_PANIC_ILLEGAL_INTERNAL_STATE);
// dead code to make compiler happy
ret.entity_id=255;
ret.infusion=NULL;
return ret;
}
// void javax.darjeeling.Darjeeling.assertTrue(int, boolean)
void javax_darjeeling_Darjeeling_void_assertTrue_int_boolean()
{
// pop argument from the stack
int16_t value = dj_exec_stackPopShort();
int32_t id = dj_exec_stackPopInt();
#warning FIX THIS :)
if (value==0)
DARJEELING_PRINTF("ASSERT[%3ld] FAILED\n", id);
else
DARJEELING_PRINTF("ASSERT[%3ld] passed\n", id);
// if (nesc_printf(temp)==0)
// blockThreadForPrintf();
}
void wuclass_light_actuator_update(wuobject_t *wuobject) {
bool onOff;
wkpf_internal_read_property_boolean(wuobject, WKPF_PROPERTY_LIGHT_ACTUATOR_ON_OFF, &onOff);
DARJEELING_PRINTF("WKPFUPDATE(Light): Setting light to: %x\n", onOff);
}
// void javax.darjeeling.Darjeeling.printBytesAsString(byte[])
void javax_darjeeling_Darjeeling_void_printBytesAsString_byte__()
{
dj_int_array* byteStr = REF_TO_VOIDP(dj_exec_stackPopRef());
char* str = byteStr->data.bytes;
#ifdef IS_COOJA
DARJEELING_PRINTF("\n(Node %d) ---> %s", node_id, str);
ASSEMBLY_DEBUG("(Node %d) ---> %s", node_id, str);
#else
printf("%s", str);
#endif
}
void dj_vm_loadInfusionArchive(dj_vm * vm, dj_di_pointer archive, dj_named_native_handler native_handlers[], unsigned char numHandlers)
{
for (uint8_t i=0; i<dj_archive_number_of_files(archive); i++) {
dj_di_pointer file = dj_archive_get_file(archive, i);
if (dj_archive_filetype(file) == FILETYPE_LIB_INFUSION) {
dj_infusion * infusion = dj_vm_loadInfusion(vm, file, native_handlers, numHandlers);
if (infusion == NULL) {
DARJEELING_PRINTF("Not enough space to create the infusion nr %d in archive.\n", i);
dj_panic(DJ_PANIC_OUT_OF_MEMORY);
}
}
}
}
void dj_init()
{
//before anything starts, define global variables
struct tossim_global_variables* global_variables = malloc(sizeof(struct tossim_global_variables));
struct tossim_UGLY_global_variables* UGLY_global_variables = malloc(sizeof(struct tossim_UGLY_global_variables));
setGlobalVariables(global_variables);
setUglyGlobalVariables(UGLY_global_variables);
dj_vm *vm;
unsigned char *mem = malloc(HEAPSIZE);
// initialise memory manager
dj_mem_init(mem, HEAPSIZE);
_global_ref_t_base_address = (char*)mem - 42;
// initialise timer
dj_timer_init();
// create a new VM
vm = dj_vm_create();
if (vm == nullref) {
//fail with a unknown type exception
dj_panic(-1);
}
// tell the execution engine to use the newly created VM instance
dj_exec_setVM(vm);
// load the embedded infusions
dj_named_native_handler handlers[] = {
{ "base", &base_native_handler },
{ "darjeeling", &darjeeling_native_handler }
#ifdef WITH_RADIO
,{ "radio", &radio_native_handler }
#endif
};
int length = sizeof(handlers)/ sizeof(handlers[0]);
archive.start = (dj_di_pointer)di_archive_data;
archive.end = (dj_di_pointer)(di_archive_data + di_archive_size);
dj_vm_loadInfusionArchive(vm, &archive, handlers, length); // load the embedded infusions
DARJEELING_PRINTF("%d infusions loaded\n", dj_vm_countInfusions(dj_exec_getVM()));
// pre-allocate an OutOfMemoryError object
dj_object *obj = dj_vm_createSysLibObject(dj_exec_getVM(), BASE_CDEF_java_lang_OutOfMemoryError);
dj_mem_setPanicExceptionObject(obj);
}
// TODO niels clean up this function
dj_infusion* dj_vm_runClassInitialisers(dj_vm *vm, dj_infusion *infusion)
{
int i, threadId;
dj_thread * thread;
dj_frame * frame;
dj_global_id methodImplId;
uint8_t infusionId;
// store infusion ID so that we can get an up-to-date infusion pointer later
infusionId = dj_vm_getInfusionId(vm, infusion);
// create a new thread object to run the <CLINIT> methods in
thread = dj_thread_create();
infusion = dj_vm_getInfusion(vm, infusionId);
if (thread == NULL)
{
DARJEELING_PRINTF("Not enough space for class initializer in infusion %s\n", (char *) dj_di_header_getInfusionName(infusion->header));
dj_panic(DJ_PANIC_OUT_OF_MEMORY);
}
dj_vm_addThread(dj_exec_getVM(), thread);
threadId = thread->id;
// iterate over the class list and execute any class initialisers that are encountered
int size = dj_di_parentElement_getListSize(infusion->classList);
for (i=0; i<size; i++)
{
infusion = dj_vm_getInfusion(dj_exec_getVM(), infusionId);
dj_di_pointer classDef = dj_di_parentElement_getChild(infusion->classList, i);
methodImplId.entity_id = dj_di_classDefinition_getCLInit(classDef);
methodImplId.infusion = infusion;
if (methodImplId.entity_id!=255)
{
// create a frame to run the initialiser in
methodImplId.infusion = infusion;
frame = dj_frame_create(methodImplId);
// if we're out of memory, panic
if (frame==NULL)
{
DEBUG_LOG(DBG_DARJEELING, "dj_vm_runClassInitialisers: could not create frame. Panicking\n");
DARJEELING_PRINTF("Not enough space to create a frame\n");
dj_panic(DJ_PANIC_OUT_OF_MEMORY);
}
// the thread we're running the class initialisers in.
thread = dj_vm_getThreadById(dj_exec_getVM(), threadId);
thread->frameStack = frame;
thread->status = THREADSTATUS_RUNNING;
dj_exec_activate_thread(thread);
// execute the method
while (dj_vm_getThreadById(dj_exec_getVM(), threadId)->status!=THREADSTATUS_FINISHED)
{
// running the CLINIT method may trigger garbage collection
dj_exec_run(RUNSIZE);
}
}
}
// clean up the thread
thread = dj_vm_getThreadById(dj_exec_getVM(), threadId);
dj_vm_removeThread(vm, thread);
dj_thread_destroy(thread);
vm->currentThread = NULL;
return infusion;
}
void dj_vm_loadInfusionArchive(dj_vm * vm, dj_archive* archive, dj_named_native_handler native_handlers[], unsigned char numHandlers)
{
dj_thread * thread;
dj_infusion * infusion = NULL;
dj_di_pointer archive_start = archive->start;
dj_di_pointer archive_end = archive->end;
unsigned char digit, i;
dj_global_id entryPoint;
unsigned long size, pos;
bool first = true;
// skip header, we'll just assume you're not passing something silly into this method
archive_start += 8;
while (archive_start<archive_end-1)
{
// read size
size = 0;
pos = AR_EHEADER_SIZE_START;
while (((digit=dj_di_getU8(archive_start+pos))!=' ')&&(pos<AR_EHEADER_SIZE_END))
{
size *= 10;
size += digit - '0';
pos++;
}
// if filename starts with '/' skip this entry, since it's part of a
// GNU extension on the common AR format
if (dj_di_getU8(archive_start)!='/')
{
// Read infusion file. We're assuming here that base.di is the first file in the archive
if (first)
infusion = dj_vm_loadSystemInfusion(vm, archive_start + AR_EHEADER_SIZE);
else
infusion = dj_vm_loadInfusion(vm, archive_start + AR_EHEADER_SIZE);
// If infusion is not loaded a critical error has occured
if (infusion == NULL){
DARJEELING_PRINTF("Not enough space to create the infusion : %c%c%c%c%c%c%c%c\n",
dj_di_getU8(archive_start+0),
dj_di_getU8(archive_start+1),
dj_di_getU8(archive_start+2),
dj_di_getU8(archive_start+3),
dj_di_getU8(archive_start+4),
dj_di_getU8(archive_start+5),
dj_di_getU8(archive_start+6),
dj_di_getU8(archive_start+7)
);
dj_panic(DJ_PANIC_OUT_OF_MEMORY);
}
/*
else
DARJEELING_PRINTF("[%s.di] %ld\n",
(char *) dj_di_header_getInfusionName(infusion->header),
size
);
*/
#ifdef DARJEELING_DEBUG
char name[64];
dj_infusion_getName(infusion, name, 64);
DEBUG_LOG("Loaded infusion %s.", name);
#endif
for (i=0; i<numHandlers; i++)
{
if (dj_di_strEqualsDirectStr(dj_di_header_getInfusionName(infusion->header), native_handlers[i].name))
{
infusion->native_handler = native_handlers[i].handler;
#ifdef DARJEELING_DEBUG
DEBUG_LOG("Attached native handler to infusion %s.", name);
#endif
}
}
// run class initialisers for this infusion
infusion = dj_vm_runClassInitialisers(vm, infusion);
// find the entry point for the infusion
if ((entryPoint.entity_id=dj_di_header_getEntryPoint(infusion->header))!=255)
{
// create a new thread and add it to the VM
entryPoint.infusion = infusion;
thread = dj_thread_create_and_run(entryPoint);
if (thread==NULL)
dj_panic(DJ_PANIC_OUT_OF_MEMORY);
dj_vm_addThread(vm, thread);
}
first = false;
}
// files are 2-byte aligned
if (size&1) size++;
archive_start += size + AR_EHEADER_SIZE;
}
}