platform/riscv/mmu.cpp

265 	MemoryRegion* region;
266 	for (region = sRegions; region != NULL; region = region->next) {
268 			.isRead  = (region->protection & B_READ_AREA)    != 0,
269 			.isWrite = (region->protection & B_WRITE_AREA)   != 0,
270 			.isExec  = (region->protection & B_EXECUTE_AREA) != 0
272 		MapRange(region->virtAdr, region->physAdr, region->size, flags.val);
308 	ObjectDeleter<MemoryRegion> region(new(std::nothrow) MemoryRegion());
309 	if (!region.IsSet())
312 	region->physAdr = AllocPhysPages(size);
313 	if (region->physAdr == 0)
316 	region->virtAdr = AllocVirtPages(size);
317 	region->size = size;
318 	region->protection = protection;
320 	*address = (void*)region->physAdr;
322 	region->next = sRegions;
323 	sRegions = region.Detach();
333 	MemoryRegion* region = sRegions;
334 	while (region != NULL && !(region->physAdr == (phys_addr_t)address)) {
335 		prev = region;
336 		region = region->next;
338 	if (region == NULL) {
342 	FreePhysPages(region->physAdr, region->size);
343 	FreeVirtPages(region->virtAdr, region->size);
345 		sRegions = region->next;
347 		prev->next = region->next;
349 	delete region;
377 	MemoryRegion* region = sRegions;
378 	while (region != NULL && !((phys_addr_t)address >= region->physAdr
379 		&& (phys_addr_t)address < region->physAdr + region->size))
380 		region = region->next;
382 	if (region == NULL)
385 	*result = (addr_t)address - region->physAdr + region->virtAdr;
393 	MemoryRegion* region = sRegions;
394 	while (region != NULL && !((phys_addr_t)address >= region->virtAdr
395 		&& (phys_addr_t)address < region->virtAdr + region->size))
396 		region = region->next;
398 	if (region == NULL)
401 	*result = (void*)(address - region->virtAdr + region->physAdr);