fixmap.h (4ba24fef3eb3b142197135223b90ced2f319cd53) fixmap.h (a5f4c561b3b19a9bc43a81da6382b0098ebbc1fb)
1#ifndef _ASM_FIXMAP_H
2#define _ASM_FIXMAP_H
3
4#define FIXADDR_START 0xffc00000UL
5#define FIXADDR_END 0xfff00000UL
6#define FIXADDR_TOP (FIXADDR_END - PAGE_SIZE)
7
8#include <asm/kmap_types.h>
1#ifndef _ASM_FIXMAP_H
2#define _ASM_FIXMAP_H
3
4#define FIXADDR_START 0xffc00000UL
5#define FIXADDR_END 0xfff00000UL
6#define FIXADDR_TOP (FIXADDR_END - PAGE_SIZE)
7
8#include <asm/kmap_types.h>
9#include <asm/pgtable.h>
9
10enum fixed_addresses {
10
11enum fixed_addresses {
11 FIX_KMAP_BEGIN,
12 FIX_EARLYCON_MEM_BASE,
13 __end_of_permanent_fixed_addresses,
14
15 FIX_KMAP_BEGIN = __end_of_permanent_fixed_addresses,
12 FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS) - 1,
13
14 /* Support writing RO kernel text via kprobes, jump labels, etc. */
15 FIX_TEXT_POKE0,
16 FIX_TEXT_POKE1,
17
18 __end_of_fixed_addresses
19};
20
16 FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS) - 1,
17
18 /* Support writing RO kernel text via kprobes, jump labels, etc. */
19 FIX_TEXT_POKE0,
20 FIX_TEXT_POKE1,
21
22 __end_of_fixed_addresses
23};
24
25#define FIXMAP_PAGE_COMMON (L_PTE_YOUNG | L_PTE_PRESENT | L_PTE_XN | L_PTE_DIRTY)
26
27#define FIXMAP_PAGE_NORMAL (FIXMAP_PAGE_COMMON | L_PTE_MT_WRITEBACK)
28
29/* Used by set_fixmap_(io|nocache), both meant for mapping a device */
30#define FIXMAP_PAGE_IO (FIXMAP_PAGE_COMMON | L_PTE_MT_DEV_SHARED | L_PTE_SHARED)
31#define FIXMAP_PAGE_NOCACHE FIXMAP_PAGE_IO
32
21void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot);
33void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot);
34void __init early_fixmap_init(void);
22
23#include <asm-generic/fixmap.h>
24
25#endif
35
36#include <asm-generic/fixmap.h>
37
38#endif