/******************************************************************************
* Fifo_create
******************************************************************************/
Fifo_Handle Fifo_create(Fifo_Attrs *attrs)
{
Fifo_Handle hFifo;
BUF_Attrs bAttrs = BUF_ATTRS;
if (attrs == NULL) {
return NULL;
}
hFifo = MEM_calloc(Dmai_Bios_segid, sizeof(Fifo_Object), 0);
if (hFifo == NULL) {
Dmai_err0("Failed to allocate space for Fifo Object\n");
return NULL;
}
/* Allocate a buffer pool for messages */
bAttrs.segid = Dmai_Bios_segid;
hFifo->hBufPool = BUF_create(attrs->maxElems, sizeof(Fifo_Elem), 0, &bAttrs);
if (hFifo->hBufPool == NULL) {
Dmai_err0("Failed to allocate space for buffer pool\n");
MEM_free(Dmai_Bios_segid, hFifo, sizeof(Fifo_Object));
return NULL;
}
/* initialize the object */
QUE_new(&hFifo->queue);
SEM_new(&hFifo->sem, 0);
SEM_new(&hFifo->mutex, 1);
return hFifo;
}
void IMG_addsecsize(Image_t *img, int secid, int size) {
assert(img != NULL);
Section_t *sec;
sec = IMG_getsection(img, secid);
if (!sec->virt) {
if (sec->buf_data == NULL) {
sec->buf_data = BUF_create(0);
}
BUF_addsize(sec->buf_data, size);
sec->data = (uint8_t *)BUF_getptr(sec->buf_data);
}
sec->size += size;
}
Buffer_t *BUF_createfromfile(const char *filename) {
FILE *fs;
Buffer_t *buffer;
int size;
fs = fopen(filename, "rb");
if (fs == NULL)
return NULL;
fseek(fs, 0, SEEK_END);
size = ftell(fs);
fseek(fs, 0, SEEK_SET);
buffer = BUF_create(size);
if (buffer != NULL) {
BUF_setsize(buffer, size);
size = fread(buffer->data, 1, size, fs);
}
fclose(fs);
return buffer;
}
