int main()
{
//---------- start nm program ------------
int fromHost=ncl_hostSync(0xC0DE6406); // send handshake to host
if (fromHost!=0xC0DE0086){ // get handshake from host
return -1;
}
// Get image parameters from host
int width = ncl_hostSync(0);
int height= ncl_hostSync(1);
int size = width*height;
int* intSrc=(int*)malloc32(size/4,HEAP_3);
int* intDst=intSrc;
free32(intSrc);
CSobel sobel(width, height);
// Check memory allocation
if (sobel.isReady==false || intSrc ==0 ){
ncl_hostSync(0xDEADB00F); // send error to host
return -1;
}
else
ncl_hostSync(0x600DB00F); // send ok to host
ncl_hostSync((int)extSrc); // Send source buffer address to host
ncl_hostSync((int)extDst); // Send result buffer address to host
clock_t t0,t1;
int counter=0; // frame counter
while(1){ // Start sobel in loop
ncl_hostSync(counter); // Wait source buffer till is ready
nmppsCopy_8u((nm8u*)extSrc,(nm8u*)intSrc,size);
t0=clock();
sobel.filter((unsigned char*)intSrc,(unsigned char*)intDst);
t1=clock();
nmppsCopy_8u((nm8u*)intDst,(nm8u*)extDst,size);
ncl_hostSync(t1-t0); // Send elapsed time
counter++;
}
ncl_hostSync(0xDEADB00F);
free32(extSrc);
free32(extDst);
return 1;
}
void RegisterAllocator::free(const OperandREF &ref)
{
for(int i = 0; i < 8; i++)
{
if(i == Encoding::ESP || i == Encoding::EBP) continue;
if(GPR[i].reference == ref)
{
free32(i);
}
}
for(int i = 0; i < 8; i++)
{
if(MMX[i].reference == ref)
{
free64(i);
}
}
for(int i = 0; i < 8; i++)
{
if(XMM[i].reference == ref)
{
free128(i);
}
}
}
static void freeelfobj(struct ElfObject *elfobj)
/* free all memory connected to an ElfObject */
{
if (elfobj) {
if (elfobj->handle)
clstream(elfobj);
free32(elfobj);
}
}
static void freeprogram(struct ElfObject *eo)
{
struct ELFSection *s;
unsigned int i;
for (i=0; i<eo->nsects; i++) {
if( (s = eo->sections[i]) != NULL ) {
if (s->address) {
free32(s->address);
s->address = NULL;
}
}
}
}
void RegisterAllocator::freeAll()
{
for(int i = 0; i < 8; i++)
{
if(i == Encoding::ESP || i == Encoding::EBP) continue;
free32(i);
}
for(int i = 0; i < 8; i++)
{
free64(i);
}
for(int i = 0; i < 8; i++)
{
free128(i);
}
}
void RegisterAllocator::free(const OperandREG32 &r32)
{
free32(r32.reg);
}
void*
ELFLoadObject( const char* objname )
{
struct ElfObject *elfobj = NULL;
/* allocate ElfObject structure */
elfobj = alloc32( sizeof( struct ElfObject ) );
if( elfobj != NULL )
{
memset(elfobj,0,sizeof(struct ElfObject));
elfobj->header = alloc32( sizeof( struct Elf32_Ehdr ) );
if( elfobj->header != NULL )
{
/* open ELF stream for reading */
elfobj->handle = opstream( elfobj, objname );
if( elfobj->handle != NULL )
{
/* read and identify ELF 32bit PowerPC BigEndian header */
if( rdstream( elfobj, elfobj->header, sizeof(struct Elf32_Ehdr) ) )
{
struct Elf32_Ehdr *hdr = elfobj->header;
if (!strncmp(hdr->e_ident,ELFid,4) &&
hdr->e_ident[EI_CLASS]==ELFCLASS32 &&
hdr->e_ident[EI_DATA]==ELFDATA2MSB &&
hdr->e_ident[EI_VERSION]==1 && hdr->e_version==1 &&
(hdr->e_machine==EM_PPC || hdr->e_machine==EM_PPC_OLD ||
hdr->e_machine==EM_CYGNUS_POWERPC) && hdr->e_type==ET_REL)
{
struct Elf32_Shdr *shdrs;
ULONG shdrsize = (ULONG) hdr->e_shnum * (ULONG) hdr->e_shentsize;
// kprintf("elf32ppcbe format recognized\n");
shdrs = alloc32( shdrsize );
if( shdrs != NULL )
{
/* read section header table and parse rest of object */
if( prstream( elfobj, hdr->e_shoff, shdrs, shdrsize ) )
{
if( loadelf32( elfobj, shdrs ) )
{
void* start;
// kprintf("ELF object loaded (0x%08lx)\n", elfobj );
start = loadprogram( elfobj );
// kprintf("Start of PPC code: 0x%08lx\n", start );
free32( shdrs );
return (elfobj);
}
}
free32( shdrs );
}
}
else
kprintf( "Not an ELF32-PPC-BE\nrelocatable object.");
}
}
freeelfobj(elfobj);
}
}
return (NULL);
}