/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_POWERPC_NOHASH_HUGETLB_E500_H #define _ASM_POWERPC_NOHASH_HUGETLB_E500_H static inline pte_t *hugepd_page(hugepd_t hpd) { if (WARN_ON(!hugepd_ok(hpd))) return NULL; return (pte_t *)((hpd_val(hpd) & ~HUGEPD_SHIFT_MASK) | PD_HUGE); } static inline unsigned int hugepd_shift(hugepd_t hpd) { return hpd_val(hpd) & HUGEPD_SHIFT_MASK; } static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr, unsigned int pdshift) { /* * On FSL BookE, we have multiple higher-level table entries that * point to the same hugepte. Just use the first one since they're all * identical. So for that case, idx=0. */ return hugepd_page(hpd); } void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr); static inline void hugepd_populate(hugepd_t *hpdp, pte_t *new, unsigned int pshift) { /* We use the old format for PPC_E500 */ *hpdp = __hugepd(((unsigned long)new & ~PD_HUGE) | pshift); } static inline int check_and_get_huge_psize(int shift) { if (shift & 1) /* Not a power of 4 */ return -EINVAL; return shift_to_mmu_psize(shift); } #endif /* _ASM_POWERPC_NOHASH_HUGETLB_E500_H */