bool put_word(Segment s, uint32_t ID, uint32_t address, uint32_t word)
{
TRY
assert(s);
UArray_T inner = Seq_get(s, ID);
assert(inner);
if (ID >= (unsigned) Seq_length(s)) {
/* ID does not exist */
return false;
}
if (address >= (unsigned) UArray_length(inner)) {
/* offset does not exist */
return false;
}
assert(inner);
uint32_t *wordptr = UArray_at(inner, address);
*wordptr = word;
EXCEPT(Mem_Failed)
return false;
END_TRY;
return true;
}
/* this function takes in the UArray_T of the pixels, and outputs the
Y, Pb, Pr representation
*/
CVC *rgb_pixels_to_CVC(UArray_T block, int denominator)
{
int num_pixels = UArray_length(block);
float avg_Pb = 0.0;
float avg_Pr = 0.0;
Pnm_rgb cur_pix;
Pnm_rgb_float cur_pix_float;
CVC *YPbPr = malloc(sizeof(struct CVC));
assert(YPbPr);
YPbPr->Y = malloc(sizeof(Lum_vals) * num_pixels);
assert(YPbPr->Y);
YPbPr->num_vals = num_pixels;
for (int i = 0; i < num_pixels; i++) {
cur_pix = (Pnm_rgb)UArray_at(block, i);
cur_pix_float = normalize_pixel(cur_pix, denominator);
YPbPr->Y[i] = get_Y(cur_pix_float);
avg_Pb += get_Pb(cur_pix_float);
avg_Pr += get_Pr(cur_pix_float);
free(cur_pix_float);
}
YPbPr->avg_Pb = avg_Pb / (float)num_pixels;
YPbPr->avg_Pr = avg_Pr / (float)num_pixels;
return YPbPr;
}
static void copy_segment_to_m0(UM_machine machine, UM_segment_ID segment_ID)
{
Seq_T mapped_segments = machine->address_space->mapped_segments;
UM_segment temp = Seq_get(mapped_segments, segment_ID);
int temp_length = UArray_length(temp->words);
UM_segment duplicate = get_new_segment_of_size(temp_length);
/* copy words into the new segment */
for(int i=0; i<temp_length; i++){
UM_word *word_i_p = UArray_at(temp->words, i);
UM_word *duplicate_word_i_p = UArray_at(duplicate->words, i);
*duplicate_word_i_p = *word_i_p;
}
duplicate->ID = 0;
/* free the old program segment */
UM_segment program = Seq_get(mapped_segments, 0);
free_segment_memory(&program);
/* put the duplicate segment in the place of the old program segment */
Seq_put(mapped_segments, 0, duplicate);
/* update num_instructions */
machine->num_instructions = temp_length;
}
void verifyMapped(Seq_T memorySegments, Seq_T unmappedSegments) {
assert(Seq_length(memorySegments) == Seq_length(unmappedSegments));
for(int i = 0; i < Seq_length(memorySegments); i++){
if(Seq_get(memorySegments, i) == Seq_get(unmappedSegments, i)){
fprintf(stderr, "Cannot be both mapped and unmapped: %d\n", i);
/* if(Seq_get(unmappedSegments, i) == NULL) {
fprintf(stderr, "Both NULL\n");
}*/
exit(1);
}
if(Seq_get(memorySegments, i) != NULL) {
if(Seq_get(unmappedSegments, i) != NULL){
fprintf(stderr, "Failed to unmap index: %d\n", i);
exit(1);
}
UArray_T temp = Seq_get(memorySegments, i);
for(UM_Word j = 0; j < (UM_Word)UArray_length(temp); j++) {
UM_Word value = *(UM_Word*)UArray_at(temp, j);
if(value != 0){
printf("Segmented load at %d with value of %u\n", i, value);
}
}
}
}
printf("Verified\n");
}
/*
* Copies and inserts the segment at the given ID into the Segment_Table
* Parameters: sm - Segment manager struct
* id - ID of segment to copy
* Return value: The id of the newly inserted segment
*/
unsigned copy_Segment(Segment_Manager sm, unsigned id)
{
Segment original = Seq_get(sm->Segment_Table, id);
unsigned length = UArray_length(original);
Segment copy = UArray_copy(original, length);
return insert_Segment(sm, copy);
}
void verifyMapped(Seq_T memorySegments, Seq_T unmappedSegments) {
// Verifies that the available unmapped segments is updated upon mapping
for(int i = 0; i < Seq_length(unmappedSegments); i++){
UM_Word index = *(UM_Word*)Seq_get(unmappedSegments, i);
if((UArray_T)Seq_get(memorySegments, index) != NULL){
fprintf(stderr,
"Unmapped segments not updated correctly for: %u\n",
index);
exit(1);
}
}
for(int i = 0; i < MEM_SEG_LEN; i++) {
UArray_T segments = (UArray_T)Seq_get(memorySegments, i);
if (segments != NULL) {
for(int j = 0; j < UArray_length(segments); j++) {
// Each 32-bit word must be initialized to 0
printf("memseg: %u\n", *(UM_Word*)UArray_at(segments, j));
if(*(UM_Word*)UArray_at(segments, j) != 0) {
fprintf(stderr, "segment incorrectly initialized\n");
exit(1);
}
}
}
}
printf("Verified bitch.\n");
}
IoObject *IoMP3Encoder_encode(IoMP3Encoder *self, IoObject *locals, IoMessage *m)
{
UArray *inBa = IoBuffer_rawUArray(IoMessage_locals_bufferArgAt_(m, locals, 0));
/*UArray *outBa = IoBuffer_rawUArray(DATA(self)->outBuffer);*/
int start = 0;
int end = UArray_length(inBa);
if (IoMessage_argCount(m) > 1) start = IoMessage_locals_intArgAt_(m, locals, 1);
if (IoMessage_argCount(m) > 2) end = IoMessage_locals_intArgAt_(m, locals, 2);
if (start > end)
{ IoState_error_description_(IOSTATE, m, "MP3Encoder", "range error: start > end"); }
if (end > UArray_length(inBa))
{ IoState_error_description_(IOSTATE, m, "MP3Encoder", "range error: end > length of input buffer"); }
MP3Encoder_encode(DATA(self)->encoder, UArray_bytes(inBa) + start, end);
return IoMP3Encoder_checkError(self, locals, m);
}
/*-----------------------------------------------------------------------------*
| UArray2_map_col_major
| Purpose: maps the given function onto every element of the given
| UArray2 in col major order
| Arguments: a pointer to the 2D array, a pointer to a void apply
| function, the closure as a void *
| Returns: -
| Fail cases:
| - the pointer to the 2D array is null
| - the pointer to the apply function is null
*-----------------------------------------------------------------------------*/
void UArray2_map_col_major(UArray2_T uarray2, void apply(int i, int j,
UArray2_T uarray2, void *value, void *cl),
void *cl) {
assert(uarray2 != NULL);
assert(apply != NULL);
int index;
int i;
int j;
for (index = 0; index < UArray_length(uarray2->uarray); index ++) {
i = get_i(index, UArray2_height(uarray2));
j = get_j(index, UArray2_height(uarray2));
apply(i, j, uarray2, UArray2_at(uarray2, i, j), cl);
};
}
void check_map_large(){
//These variable created for compiling sake
Seq_T SEG_MEMORY = Seq_new(100);
Seq_T UNMAP_SEQ = Seq_new(10);
Umsegment_Id one = map_segment(6);
Umsegment_Id two = map_segment(6);
Umsegment_Id three = map_segment(8000);
Umsegment_Id four = map_segment(6);
int size = UArray_length(Seq_get(SEG_MEMORY, three));
if (size != 8000)
fprintf(stderr, "Big segment is incorrect size %d.\n", size);
unmap_segment(one);
unmap_segment(two);
unmap_segment(three);
unmap_segment(four);
Seq_free(&SEG_MEMORY);
Seq_free(&UNMAP_SEQ);
}
/* returns how many words are stored in the segment ID */
int get_words_in_seg(Segment s, uint32_t ID)
{
assert(s);
return UArray_length(Seq_get(s,ID));
}
