+static unsigned hpte_page_shift(const struct ppc_one_seg_page_size *sps,
+ uint64_t pte0, uint64_t pte1)
+{
+ int i;
+
+ if (!(pte0 & HPTE64_V_LARGE)) {
+ if (sps->page_shift != 12) {
+ /* 4kiB page in a non 4kiB segment */
+ return 0;
+ }
+ /* Normal 4kiB page */
+ return 12;
+ }
+
+ for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) {
+ const struct ppc_one_page_size *ps = &sps->enc[i];
+ uint64_t mask;
+
+ if (!ps->page_shift) {
+ break;
+ }
+
+ if (ps->page_shift == 12) {
+ /* L bit is set so this can't be a 4kiB page */
+ continue;
+ }
+
+ mask = ((1ULL << ps->page_shift) - 1) & HPTE64_R_RPN;
+
+ if ((pte1 & mask) == (ps->pte_enc << HPTE64_R_RPN_SHIFT)) {
+ return ps->page_shift;
+ }
+ }
+
+ return 0; /* Bad page size encoding */
+}
+
+unsigned ppc_hash64_hpte_page_shift_noslb(PowerPCCPU *cpu,
+ uint64_t pte0, uint64_t pte1,
+ unsigned *seg_page_shift)