1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
// SPDX-License-Identifier: GPL-2.0-only
// Copyright 2023 Google LLC
// Author: Ard Biesheuvel <ardb@google.com>
#include <linux/types.h>
#define __prel64_initconst __section(".init.rodata.prel64")
#define PREL64(type, name) union { type *name; prel64_t name ## _prel; }
#define prel64_pointer(__d) (typeof(__d))prel64_to_pointer(&__d##_prel)
typedef volatile signed long prel64_t;
static inline void *prel64_to_pointer(const prel64_t *offset)
{
if (!*offset)
return NULL;
return (void *)offset + *offset;
}
extern bool dynamic_scs_is_enabled;
extern pgd_t init_idmap_pg_dir[], init_idmap_pg_end[];
void init_feature_override(u64 boot_status, const void *fdt, int chosen);
u64 kaslr_early_init(void *fdt, int chosen);
void relocate_kernel(u64 offset);
int scs_patch(const u8 eh_frame[], int size);
void map_range(u64 *pgd, u64 start, u64 end, u64 pa, pgprot_t prot,
int level, pte_t *tbl, bool may_use_cont, u64 va_offset);
asmlinkage void early_map_kernel(u64 boot_status, void *fdt);
asmlinkage u64 create_init_idmap(pgd_t *pgd, pteval_t clrmask);
|
