int main(int argc, const char **argv)
{
fprintf(stderr, "Main::%s %s\n", __DATE__, __TIME__);
DmaManager *hostDma = platformInit();
MMURequestProxy *nandsimMMU = new MMURequestProxy(IfcNames_NandMMURequestS2H);
DmaManager *nandsimDma = new DmaManager(nandsimMMU);
MMUIndicationNAND nandsimMMUIndication(nandsimDma,IfcNames_NandMMUIndicationH2S);
StrstrRequestProxy *strstrRequest = new StrstrRequestProxy(IfcNames_AlgoRequestS2H);
StrstrIndication *strstrIndication = new StrstrIndication(IfcNames_AlgoIndicationH2S);
//MemServerIndicationNAND nandsimMemServerIndication(IfcNames_NandMemServerIndication);
fprintf(stderr, "Main::allocating memory...\n");
// allocate memory for strstr data
int needleAlloc = portalAlloc(numBytes, 0);
int mpNextAlloc = portalAlloc(numBytes, 0);
int ref_needleAlloc = hostDma->reference(needleAlloc);
int ref_mpNextAlloc = hostDma->reference(mpNextAlloc);
fprintf(stderr, "%08x %08x\n", ref_needleAlloc, ref_mpNextAlloc);
char *needle = (char *)portalMmap(needleAlloc, numBytes);
int *mpNext = (int *)portalMmap(mpNextAlloc, numBytes);
const char *needle_text = "ababab";
int needle_len = strlen(needle_text);
strncpy(needle, needle_text, needle_len);
compute_MP_next(needle, mpNext, needle_len);
// fprintf(stderr, "mpNext=[");
// for(int i= 0; i <= needle_len; i++)
// fprintf(stderr, "%d ", mpNext[i]);
// fprintf(stderr, "]\nneedle=[");
// for(int i= 0; i < needle_len; i++)
// fprintf(stderr, "%d ", needle[i]);
// fprintf(stderr, "]\n");
portalCacheFlush(needleAlloc, needle, numBytes, 1);
portalCacheFlush(mpNextAlloc, mpNext, numBytes, 1);
fprintf(stderr, "Main::flush and invalidate complete\n");
fprintf(stderr, "Main::waiting to connect to nandsim_exe\n");
wait_for_connect_nandsim_exe();
fprintf(stderr, "Main::connected to nandsim_exe\n");
// base of haystack in "flash" memory
// this is read from nandsim_exe, but could also come from kernel driver
int haystack_base = read_from_nandsim_exe();
int haystack_len = read_from_nandsim_exe();
fprintf(stderr, "haystack_base=%d haystack_len=%d\n", haystack_base, haystack_len);
// request the next sglist identifier from the sglistMMU hardware module
// which is used by the mem server accessing flash memory.
int id = 0;
MMURequest_idRequest(nandsimDma->priv.sglDevice, 0);
sem_wait(&nandsimDma->priv.sglIdSem);
id = nandsimDma->priv.sglId;
// pairs of ('offset','size') pointing to space in nandsim memory
// this is unsafe. To do it properly, we should get this list from
// nandsim_exe or from the kernel driver. This code here might overrun
// the backing store allocated by nandsim_exe.
RegionRef region[] = {{0, 0x100000}, {0x100000, 0x100000}};
printf("[%s:%d]\n", __FUNCTION__, __LINE__);
int ref_haystackInNandMemory = send_reference_to_portal(nandsimDma->priv.sglDevice, sizeof(region)/sizeof(region[0]), region, id);
sem_wait(&(nandsimDma->priv.confSem));
fprintf(stderr, "%08x\n", ref_haystackInNandMemory);
// at this point, ref_needleAlloc and ref_mpNextAlloc are valid sgListIds for use by
// the host memory dma hardware, and ref_haystackInNandMemory is a valid sgListId for
// use by the nandsim dma hardware
fprintf(stderr, "about to setup device %d %d\n", ref_needleAlloc, ref_mpNextAlloc);
strstrRequest->setup(ref_needleAlloc, ref_mpNextAlloc, needle_len);
fprintf(stderr, "about to invoke search %d\n", ref_haystackInNandMemory);
strstrRequest->search(ref_haystackInNandMemory, haystack_len);
strstrIndication->wait();
fprintf(stderr, "algo1_nandsim: Done %d\n", (strstrIndication->match_cnt==3));
sleep(2);
exit(!(strstrIndication->match_cnt==3));
}
int main(int argc, const char **argv)
{
fprintf(stderr, "Main::%s %s\n", __DATE__, __TIME__);
MMURequestProxy *hostMMURequest = new MMURequestProxy(IfcNames_AlgoMMURequest);
DmaManager *hostDma = new DmaManager(hostMMURequest);
MMUIndication *hostMMUIndication = new MMUIndication(hostDma, IfcNames_AlgoMMUIndication);
MMURequestProxy *nandsimMMURequest = new MMURequestProxy(IfcNames_NandMMURequest);
DmaManager *nandsimDma = new DmaManager(nandsimMMURequest);
MMUIndication *nandsimMMUIndication = new MMUIndication(nandsimDma,IfcNames_NandMMUIndication);
StrstrRequestProxy *strstrRequest = new StrstrRequestProxy(IfcNames_AlgoRequest);
StrstrIndication *strstrIndication = new StrstrIndication(IfcNames_AlgoIndication);
MemServerIndication *hostMemServerIndication = new MemServerIndication(IfcNames_HostMemServerIndication);
//MemServerIndication *nandsimMemServerIndication = new MemServerIndication(IfcNames_NandMemServerIndication);
portalExec_start();
fprintf(stderr, "Main::allocating memory...\n");
// allocate memory for strstr data
int needleAlloc = portalAlloc(numBytes);
int mpNextAlloc = portalAlloc(numBytes);
int ref_needleAlloc = hostDma->reference(needleAlloc);
int ref_mpNextAlloc = hostDma->reference(mpNextAlloc);
fprintf(stderr, "%08x %08x\n", ref_needleAlloc, ref_mpNextAlloc);
char *needle = (char *)portalMmap(needleAlloc, numBytes);
int *mpNext = (int *)portalMmap(mpNextAlloc, numBytes);
//const char *needle_text = "ababab";
// int* target = (int*) malloc(sizeof(int));
// *target = 0x11ff;
//fprintf(stderr, "Searching for int target=%x\n", *target);
// char *needle_text = (char*) target;
//int needle_len = sizeof(int);
/*
const char *needle_text = "abab";
int needle_len = strlen(needle_text);
strncpy(needle, needle_text, needle_len);
*/
int needle_text = 0x02;
//int needle_text = 0x0000001f;
//int needle_text = 0x62616261;
int* test = &needle_text;
//int* test = (int *) needle_text;
fprintf(stderr, "searching %x\n", *test);
//int needle_len = strlen(needle_text);
//strncpy(needle, needle_text, needle_len);
int needle_len = sizeof(int);
memcpy(needle, test, sizeof(int));
compute_MP_next(needle, mpNext, needle_len);
// fprintf(stderr, "mpNext=[");
// for(int i= 0; i <= needle_len; i++)
// fprintf(stderr, "%d ", mpNext[i]);
// fprintf(stderr, "]\nneedle=[");
// for(int i= 0; i < needle_len; i++)
// fprintf(stderr, "%d ", needle[i]);
// fprintf(stderr, "]\n");
portalDCacheFlushInval(needleAlloc, numBytes, needle);
portalDCacheFlushInval(mpNextAlloc, numBytes, mpNext);
fprintf(stderr, "Main::flush and invalidate complete\n");
// fprintf(stderr, "Main::waiting to connect to nandsim_exe\n");
// wait_for_connect_nandsim_exe();
// fprintf(stderr, "Main::connected to nandsim_exe\n");
// base of haystack in "flash" memory
// this is read from nandsim_exe, but could also come from kernel driver
//int haystack_base = read_from_nandsim_exe();
//int haystack_len = read_from_nandsim_exe();
int haystack_len = 1<<31;
// request the next sglist identifier from the sglistMMU hardware module
// which is used by the mem server accessing flash memory.
int id = 0;
MMURequest_idRequest(nandsimDma->priv.sglDevice, 0);
sem_wait(&nandsimDma->priv.sglIdSem);
id = nandsimDma->priv.sglId;
// pairs of ('offset','size') pointing to space in nandsim memory
// this is unsafe. To do it properly, we should get this list from
// nandsim_exe or from the kernel driver. This code here might overrun
// the backing store allocated by nandsim_exe.
// RegionRef region[] = {{0, 0x100000}, {0x100000, 0x100000}};
RegionRef region[] = {{0x100000, 0x100000}};
printf("[%s:%d]\n", __FUNCTION__, __LINE__);
int ref_haystackInNandMemory = send_reference_to_portal(nandsimDma->priv.sglDevice, sizeof(region)/sizeof(region[0]), region, id);
sem_wait(&(nandsimDma->priv.confSem));
fprintf(stderr, "%08x\n", ref_haystackInNandMemory);
// at this point, ref_needleAlloc and ref_mpNextAlloc are valid sgListIds for use by
// the host memory dma hardware, and ref_haystackInNandMemory is a valid sgListId for
// use by the nandsim dma hardware
fprintf(stderr, "about to setup device %d %d\n", ref_needleAlloc, ref_mpNextAlloc);
strstrRequest->setup(ref_needleAlloc, ref_mpNextAlloc, needle_len);
fprintf(stderr, "about to invoke search %d\n", ref_haystackInNandMemory);
timespec start, now;
clock_gettime(CLOCK_REALTIME, & start);
strstrRequest->search(ref_haystackInNandMemory, haystack_len);
strstrIndication->wait();
clock_gettime(CLOCK_REALTIME, & now);
fprintf(stderr, "LOG: finished search! %f\n", timespec_diff_sec(start, now) );
//exit(!(strstrIndication->match_cnt==3));
fprintf(stderr, "Number of results found = %d\n", strstrIndication->match_cnt);
return 0;
}