1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _ASM_POWERPC_PGALLOC_32_H
3*4882a593Smuzhiyun #define _ASM_POWERPC_PGALLOC_32_H
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <linux/threads.h>
6*4882a593Smuzhiyun #include <linux/slab.h>
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun /*
9*4882a593Smuzhiyun * We don't have any real pmd's, and this code never triggers because
10*4882a593Smuzhiyun * the pgd will always be present..
11*4882a593Smuzhiyun */
12*4882a593Smuzhiyun /* #define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); }) */
13*4882a593Smuzhiyun #define pmd_free(mm, x) do { } while (0)
14*4882a593Smuzhiyun #define __pmd_free_tlb(tlb,x,a) do { } while (0)
15*4882a593Smuzhiyun /* #define pgd_populate(mm, pmd, pte) BUG() */
16*4882a593Smuzhiyun
pmd_populate_kernel(struct mm_struct * mm,pmd_t * pmdp,pte_t * pte)17*4882a593Smuzhiyun static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp,
18*4882a593Smuzhiyun pte_t *pte)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun if (IS_ENABLED(CONFIG_BOOKE))
21*4882a593Smuzhiyun *pmdp = __pmd((unsigned long)pte | _PMD_PRESENT);
22*4882a593Smuzhiyun else
23*4882a593Smuzhiyun *pmdp = __pmd(__pa(pte) | _PMD_PRESENT);
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun
pmd_populate(struct mm_struct * mm,pmd_t * pmdp,pgtable_t pte_page)26*4882a593Smuzhiyun static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp,
27*4882a593Smuzhiyun pgtable_t pte_page)
28*4882a593Smuzhiyun {
29*4882a593Smuzhiyun if (IS_ENABLED(CONFIG_BOOKE))
30*4882a593Smuzhiyun *pmdp = __pmd((unsigned long)pte_page | _PMD_PRESENT);
31*4882a593Smuzhiyun else
32*4882a593Smuzhiyun *pmdp = __pmd(__pa(pte_page) | _PMD_USER | _PMD_PRESENT);
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun #endif /* _ASM_POWERPC_PGALLOC_32_H */
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