void SStopWatch::MarkInternal(Root* root)
{
FlushICache();
root->suspendTime = 0;
if ((root->extensions&EXTENSION_PERFORMANCE) != 0) {
IOSFastIoctl(CounterFD(), PERFCNT_READ_COUNTERS(NUM_COUNTERS+1),
0, NULL, sizeof(m_node->counters), m_node->counters, &root->perfError);
}
#if TARGET_PLATFORM == TARGET_PLATFORM_PALMSIM_WIN32
if ((root->extensions&EXTENSION_QUANTIFY_RUNNING) != 0) {
QuantifyStopRecordingData();
}
if ((root->flags&B_STOP_WATCH_QUANTIFY) != 0) {
QuantifyStartRecordingData();
root->extensions |= EXTENSION_QUANTIFY_RUNNING;
}
#endif
if ((root->flags&B_STOP_WATCH_NO_TIME) == 0) {
m_node->time = KALGetTime(B_TIMEBASE_RUN_TIME);
}
#if TARGET_PLATFORM == TARGET_PLATFORM_DEVICE_ARM
if ((root->extensions&EXTENSION_PERFORMANCE_HIGH) != 0) {
m_node->counters[0] = ReadPerformanceCounter(0);
m_node->counters[1] = ReadPerformanceCounter(1);
m_node->counters[2] = ReadPerformanceCounter(2);
}
#endif
}
lib7_val_t _lib7_runtime_mkexec ( lib7_state_t* lib7_state,
lib7_val_t arg
)
{
/* _lib7_runtime_mkexec : rw_unt8_vector.Rw_Vector * int -> (chunk -> chunk)
*
* Turn a previously allocated code chunk into a closure.
* This requires that we flush the I-cache.
*/
lib7_val_t seq = REC_SEL( arg, 0);
int entrypoint = REC_SELINT(arg, 1);
char* code = GET_SEQ_DATAPTR( char, seq );
Word_t nbytes = GET_SEQ_LEN( seq );
FlushICache (code, nbytes);
{ lib7_val_t result;
REC_ALLOC1(lib7_state, result, PTR_CtoLib7(code + entrypoint));
return result;
}
}
void SStopWatch::RestartInternal(Root* root)
{
if (m_type != TYPE_CHILD) {
if ((root->extensions&(EXTENSION_PERFORMANCE|EXTENSION_PERFORMANCE_HIGH)) != 0) {
IOSFastIoctl(CounterFD(), PERFCNT_CONFIGURE_COUNTERS(NUM_COUNTERS),
sizeof(root->perfCounters), root->perfCounters, 0, NULL, &root->perfError);
//if (root->perfError != B_OK) root->extensions &= ~EXTENSION_PERFORMANCE;
}
if ((root->extensions&EXTENSION_PROFILING) != 0) {
// Stopping returns an error code if already stopped, so ignore this result.
IOSFastIoctl(ProfileFD(), profilerStopProfiling, 0, NULL, 0, NULL, &root->profError);
root->profError = B_OK;
if ((root->profFlags&B_PROFILE_KEEP_SAMPLES) == 0) {
IOSFastIoctl(ProfileFD(), profilerResetSamples, 0, NULL, 0, NULL, &root->perfError);
}
if (root->profError == B_OK) {
IOSFastIoctl(ProfileFD(), profilerStartProfiling, 0, NULL, 0, NULL, &root->perfError);
}
if (root->profError != B_OK) root->extensions &= ~EXTENSION_PROFILING;
}
if ((root->flags&B_STOP_WATCH_CLEAR_CACHE) != 0) {
// A "big" size says to just blindly flush the whole cache.
FlushICache();
}
// Compute overhead -- baseline
if ((root->flags&B_STOP_WATCH_NO_TIME) == 0) {
root->timeOverhead = KALGetTime(B_TIMEBASE_RUN_TIME);
}
if ((root->extensions&EXTENSION_PERFORMANCE) != 0) {
memset(root->counterOverhead, 0, sizeof(root->counterOverhead));
IOSFastIoctl(CounterFD(), PERFCNT_READ_COUNTERS(NUM_COUNTERS+1),
0, NULL, sizeof(root->counterOverhead), root->counterOverhead, &root->perfError);
}
#if TARGET_PLATFORM == TARGET_PLATFORM_DEVICE_ARM
if ((root->extensions&EXTENSION_PERFORMANCE_HIGH) != 0) {
root->counterOverhead[0] = ReadPerformanceCounter(0);
root->counterOverhead[1] = ReadPerformanceCounter(1);
root->counterOverhead[2] = ReadPerformanceCounter(2);
}
#endif
// Some internal stuff we always have to do
if ((root->flags&B_STOP_WATCH_NESTING) != 0) {
Root* foo = CurrentRoot();
}
// Compute overhead -- total up measurement overhead
if ((root->flags&B_STOP_WATCH_NO_TIME) == 0) {
root->timeOverhead = KALGetTime(B_TIMEBASE_RUN_TIME)-root->timeOverhead;
}
if ((root->extensions&EXTENSION_PERFORMANCE) != 0) {
status_t err;
IOSFastIoctl(CounterFD(), PERFCNT_READ_COUNTERS(NUM_COUNTERS+1), 0, NULL, sizeof(root->tmpPerf), root->tmpPerf, &err);
for (int i=0; i<NUM_COUNTERS+1; i++) {
root->counterOverhead[i] = root->tmpPerf[i] - root->counterOverhead[i];
}
}
#if TARGET_PLATFORM == TARGET_PLATFORM_DEVICE_ARM
if ((root->extensions&EXTENSION_PERFORMANCE_HIGH) != 0) {
root->tmpPerf[0] = ReadPerformanceCounter(0);
root->tmpPerf[1] = ReadPerformanceCounter(1);
root->tmpPerf[2] = ReadPerformanceCounter(2);
for (int i=0; i<NUM_COUNTERS+1; i++) {
root->counterOverhead[i] = root->tmpPerf[i] - root->counterOverhead[i];
}
}
#endif
}
}
static void read_heap ( inbuf_t* bp,
lib7_heap_hdr_t* header,
lib7_state_t* lib7_state,
lib7_val_t* externs
)
{
heap_t* heap = lib7_state->lib7_heap;
heap_arena_hdr_t *arenaHdrs, *p, *q;
int arenaHdrsSize;
int i, j, k;
long prevSzB[NUM_ARENAS], size;
bibop_t oldBIBOP;
Addr_t addrOffset[MAX_NUM_GENS][NUM_ARENAS];
bo_region_reloc_t *boRelocInfo;
addr_table_t *boRegionTable;
/* Allocate a BIBOP for the imported
* heap image's address space:
*/
#ifdef TWO_LEVEL_MAP
# error two level map not supported
#else
oldBIBOP = NEW_VEC (aid_t, BIBOP_SZ);
#endif
/* Read in the big-chunk region descriptors
* for the old address space:
*/
{
int size;
bo_region_info_t* boRgnHdr;
boRegionTable = MakeAddrTable(BIBOP_SHIFT+1, header->numBORegions);
size = header->numBORegions * sizeof(bo_region_info_t);
boRgnHdr = (bo_region_info_t *) MALLOC (size);
HeapIO_ReadBlock (bp, boRgnHdr, size);
boRelocInfo = NEW_VEC(bo_region_reloc_t, header->numBORegions);
for (i = 0; i < header->numBORegions; i++) {
MarkRegion(oldBIBOP,
(lib7_val_t *)(boRgnHdr[i].baseAddr),
RND_HEAP_CHUNK_SZB(boRgnHdr[i].sizeB),
AID_BIGCHUNK(1)
);
oldBIBOP[BIBOP_ADDR_TO_INDEX(boRgnHdr[i].baseAddr)] = AID_BIGCHUNK_HDR(MAX_NUM_GENS);
boRelocInfo[i].firstPage = boRgnHdr[i].firstPage;
boRelocInfo[i].nPages
=
(boRgnHdr[i].sizeB - (boRgnHdr[i].firstPage - boRgnHdr[i].baseAddr))
>>
BIGCHUNK_PAGE_SHIFT;
boRelocInfo[i].chunkMap = NEW_VEC(bo_reloc_t *, boRelocInfo[i].nPages);
for (j = 0; j < boRelocInfo[i].nPages; j++) {
boRelocInfo[i].chunkMap[j] = NULL;
}
AddrTableInsert (boRegionTable, boRgnHdr[i].baseAddr, &(boRelocInfo[i]));
}
FREE (boRgnHdr);
}
/* Read the arena headers: */
arenaHdrsSize = header->numGens * NUM_CHUNK_KINDS * sizeof(heap_arena_hdr_t);
arenaHdrs = (heap_arena_hdr_t *) MALLOC (arenaHdrsSize);
HeapIO_ReadBlock (bp, arenaHdrs, arenaHdrsSize);
for (i = 0; i < NUM_ARENAS; i++) {
prevSzB[i] = heap->allocSzB;
}
/* Allocate the arenas and read in the heap image: */
for (p = arenaHdrs, i = 0; i < header->numGens; i++) {
gen_t *gen = heap->gen[i];
/* Compute the space required for this generation,
* and mark the oldBIBOP to reflect the old address space:
*/
for (q = p, j = 0; j < NUM_ARENAS; j++) {
MarkRegion (oldBIBOP,
(lib7_val_t *)(q->info.o.baseAddr),
RND_HEAP_CHUNK_SZB(q->info.o.sizeB),
gen->arena[j]->id);
size = q->info.o.sizeB + prevSzB[j];
if ((j == PAIR_INDEX) && (size > 0))
size += 2*WORD_SZB;
gen->arena[j]->tospSizeB = RND_HEAP_CHUNK_SZB(size);
prevSzB[j] = q->info.o.sizeB;
q++;
}
/* Allocate space for the generation: */
if (NewGeneration(gen) == FAILURE) {
Die ("unable to allocated space for generation %d\n", i+1);
}
if (isACTIVE(gen->arena[ARRAY_INDEX])) {
NewDirtyVector (gen);
}
/* Read in the arenas for this generation
* and initialize the address offset table:
*/
for (j = 0; j < NUM_ARENAS; j++) {
arena_t* ap = gen->arena[j];
if (p->info.o.sizeB > 0) {
addrOffset[i][j] = (Addr_t)(ap->tospBase) - (Addr_t)(p->info.o.baseAddr);
HeapIO_Seek (bp, (long)(p->offset));
HeapIO_ReadBlock(bp, (ap->tospBase), p->info.o.sizeB);
ap->nextw = (lib7_val_t *)((Addr_t)(ap->tospBase) + p->info.o.sizeB);
ap->oldTop = ap->tospBase;
} else if (isACTIVE(ap)) {
ap->oldTop = ap->tospBase;
}
if (verbosity > 0) say(".");
p++;
}
/* Read in the big-chunk arenas: */
for (j = 0; j < NUM_BIGCHUNK_KINDS; j++) {
Addr_t totSizeB;
bigchunk_desc_t *freeChunk, *bdp;
bigchunk_region_t *freeRegion;
bigchunk_hdr_t *boHdrs;
int boHdrSizeB, index;
bo_region_reloc_t *region;
if (p->info.bo.numBOPages > 0) {
totSizeB = p->info.bo.numBOPages << BIGCHUNK_PAGE_SHIFT;
freeChunk = BO_AllocRegion (heap, totSizeB);
freeRegion = freeChunk->region;
freeRegion->minGen = i;
MarkRegion (BIBOP, (lib7_val_t *)freeRegion,
HEAP_CHUNK_SZB( freeRegion->heap_chunk ), AID_BIGCHUNK(i));
BIBOP[BIBOP_ADDR_TO_INDEX(freeRegion)] = AID_BIGCHUNK_HDR(i);
/* Read in the big-chunk headers */
boHdrSizeB = p->info.bo.numBigChunks * sizeof(bigchunk_hdr_t);
boHdrs = (bigchunk_hdr_t *) MALLOC (boHdrSizeB);
HeapIO_ReadBlock (bp, boHdrs, boHdrSizeB);
/* Read in the big-chunks: */
HeapIO_ReadBlock (bp, (void *)(freeChunk->chunk), totSizeB);
if (j == CODE_INDEX) {
FlushICache ((void *)(freeChunk->chunk), totSizeB);
}
/* Set up the big-chunk descriptors
* and per-chunk relocation info:
*/
for (k = 0; k < p->info.bo.numBigChunks; k++) {
/* find the region relocation info for the chunk's region in
* the exported heap.
*/
for (index = BIBOP_ADDR_TO_INDEX(boHdrs[k].baseAddr);
!BO_IS_HDR(oldBIBOP[index]);
index--)
continue;
region = LookupBORegion (boRegionTable, index);
/* Allocate the big-chunk descriptor for
* the chunk and link it into the list
* of big-chunks for its generation.
*/
bdp = AllocBODesc (freeChunk, &(boHdrs[k]), region);
bdp->next = gen->bigChunks[j];
gen->bigChunks[j] = bdp;
ASSERT(bdp->gen == i+1);
if (show_code_chunk_comments && (j == CODE_INDEX)) {
/* Dump the comment string of the code chunk: */
char* namestring;
if ((namestring = BO_GetCodeChunkTag(bdp))) {
SayDebug ("[%6d bytes] %s\n", bdp->sizeB, namestring);
}
}
}
if (freeChunk != bdp) {
/* There was some extra space left in the region: */
ADD_BODESC(heap->freeBigChunks, freeChunk);
}
FREE (boHdrs);
}
if (verbosity > 0) say(".");
p++;
}
}
repair_heap (heap, oldBIBOP, addrOffset, boRegionTable, externs);
/* Adjust the run-time globals
* that point into the heap:
*/
*PTR_LIB7toC(lib7_val_t, PervasiveStruct) = repair_word (
*PTR_LIB7toC(lib7_val_t, PervasiveStruct),
oldBIBOP, addrOffset, boRegionTable, externs);
runtimeCompileUnit = repair_word( runtimeCompileUnit, oldBIBOP, addrOffset, boRegionTable, externs );
#ifdef ASM_MATH
MathVec = repair_word (MathVec, oldBIBOP, addrOffset, boRegionTable, externs);
#endif
/* Adjust the Lib7 registers to the new address space */
ASSIGN(Lib7SignalHandler, repair_word (
DEREF(Lib7SignalHandler), oldBIBOP, addrOffset, boRegionTable, externs)
);
lib7_state->lib7_argument = repair_word (
lib7_state->lib7_argument, oldBIBOP, addrOffset, boRegionTable, externs
);
lib7_state->lib7_fate = repair_word (
lib7_state->lib7_fate, oldBIBOP, addrOffset, boRegionTable, externs
);
lib7_state->lib7_closure = repair_word (
lib7_state->lib7_closure, oldBIBOP, addrOffset, boRegionTable, externs
);
lib7_state->lib7_program_counter = repair_word (
lib7_state->lib7_program_counter, oldBIBOP, addrOffset, boRegionTable, externs
);
lib7_state->lib7_link_register = repair_word (
lib7_state->lib7_link_register, oldBIBOP, addrOffset, boRegionTable, externs
);
lib7_state->lib7_exception_fate = repair_word (
lib7_state->lib7_exception_fate, oldBIBOP, addrOffset, boRegionTable, externs
);
lib7_state->lib7_current_thread = repair_word (
lib7_state->lib7_current_thread, oldBIBOP, addrOffset, boRegionTable, externs
);
lib7_state->lib7_calleeSave[0] = repair_word (
lib7_state->lib7_calleeSave[0], oldBIBOP, addrOffset, boRegionTable, externs
);
lib7_state->lib7_calleeSave[1] = repair_word (
lib7_state->lib7_calleeSave[1], oldBIBOP, addrOffset, boRegionTable, externs
);
lib7_state->lib7_calleeSave[2] = repair_word (
lib7_state->lib7_calleeSave[2], oldBIBOP, addrOffset, boRegionTable, externs
);
/* Release storage: */
for (i = 0; i < header->numBORegions; i++) {
bo_reloc_t *p;
for (p = NULL, j = 0; j < boRelocInfo[i].nPages; j++) {
if ((boRelocInfo[i].chunkMap[j] != NULL)
&& (boRelocInfo[i].chunkMap[j] != p)) {
FREE (boRelocInfo[i].chunkMap[j]);
p = boRelocInfo[i].chunkMap[j];
}
}
}
FreeAddrTable (boRegionTable, FALSE);
FREE (boRelocInfo);
FREE (arenaHdrs);
FREE (oldBIBOP);
/* Reset the sweep_nextw pointers: */
for (i = 0; i < heap->numGens; i++) {
gen_t *gen = heap->gen[i];
for (j = 0; j < NUM_ARENAS; j++) {
arena_t *ap = gen->arena[j];
if (isACTIVE(ap))
ap->sweep_nextw = ap->nextw;
}
}
} /* read_heap. */
