101 	caddr_t va;  in ppmapinit()  local
105 	va = (caddr_t)PPMAPBASE;  in ppmapinit()
116 		    (caddr_t)((uintptr_t)va + (nset * MMU_PAGESIZE));  in ppmapinit()
146 	caddr_t va;  in ppmapin()  local
157 		va = ppmap_vaddrs[nset];  in ppmapin()
158 		if (va != NULL) {  in ppmapin()
162 			if (atomic_cas_ptr(&ppmap_vaddrs[nset], va, NULL) ==  in ppmapin()
163 			    va) {  in ppmapin()
164 				hat_memload(kas.a_hat, va, pp,  in ppmapin()
167 				return (va);  in ppmapin()
179 	va = vmem_alloc(heap_arena, PAGESIZE, VM_SLEEP);  in ppmapin()
181 	hat_memload(kas.a_hat, va, pp, vprot | HAT_NOSYNC, HAT_LOAD_LOCK);  in ppmapin()
183 	return (va);  in ppmapin()
188 ppmapout(caddr_t va)  in ppmapout()  argument
192 	if (va >= kernelheap && va < ekernelheap) {  in ppmapout()
197 		hat_unload(kas.a_hat, va, PAGESIZE,  in ppmapout()
199 		vmem_free(heap_arena, va, PAGESIZE);  in ppmapout()
204 		nset = ((uintptr_t)va >> ppmap_shift) & (nsets - 1);  in ppmapout()
205 		hat_unload(kas.a_hat, va, PAGESIZE,  in ppmapout()
209 		ppmap_vaddrs[nset] = va;  in ppmapout()
222 pp_unload_tlb(caddr_t *pslot, caddr_t va)  in pp_unload_tlb()  argument
224 	ASSERT(*pslot == va);  in pp_unload_tlb()
226 	vtag_flushpage(va, (uint64_t)ksfmmup);  in pp_unload_tlb()
314 	caddr_t va;  in pagezero()  local
337 		va = hat_kpm_mapin(pp, NULL);  in pagezero()
339 		va = NULL;  in pagezero()
341 	if (va == NULL) {  in pagezero()
343 		va = ppmapin(pp, PROT_READ | PROT_WRITE, (caddr_t)-1);  in pagezero()
347 		bzero(va + off, len);  in pagezero()
348 		sync_icache(va + off, len);  in pagezero()
349 	} else if (hwblkclr(va + off, len)) {  in pagezero()
354 		sync_icache(va + off, len);  in pagezero()
361 		doflush(va);  in pagezero()
365 		hat_kpm_mapout(pp, NULL, va);  in pagezero()
367 		ppmapout(va);  in pagezero()