1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (C) 2012 Regents of the University of California
4 */
5
6
7 #ifndef _ASM_RISCV_MMU_H
8 #define _ASM_RISCV_MMU_H
9
10 #ifndef __ASSEMBLY__
11
12 typedef struct {
13 #ifndef CONFIG_MMU
14 unsigned long end_brk;
15 #else
16 atomic_long_t id;
17 #endif
18 void *vdso;
19 #ifdef CONFIG_SMP
20 /* A local icache flush is needed before user execution can resume. */
21 cpumask_t icache_stale_mask;
22 /* Force local icache flush on all migrations. */
23 bool force_icache_flush;
24 #endif
25 #ifdef CONFIG_BINFMT_ELF_FDPIC
26 unsigned long exec_fdpic_loadmap;
27 unsigned long interp_fdpic_loadmap;
28 #endif
29 } mm_context_t;
30
31 #define cntx2asid(cntx) ((cntx) & SATP_ASID_MASK)
32 #define cntx2version(cntx) ((cntx) & ~SATP_ASID_MASK)
33
34 void __meminit create_pgd_mapping(pgd_t *pgdp, uintptr_t va, phys_addr_t pa, phys_addr_t sz,
35 pgprot_t prot);
36 #endif /* __ASSEMBLY__ */
37
38 #endif /* _ASM_RISCV_MMU_H */
39
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