blob: 1fffbba8d6a5e64a5fefdb06a6ecab29f4ec66e5 (
plain) (
blame)
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
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_SETUP_H
#define _ASM_POWERPC_SETUP_H
#include <uapi/asm/setup.h>
#ifndef __ASSEMBLY__
extern void ppc_printk_progress(char *s, unsigned short hex);
extern unsigned int rtas_data;
extern unsigned long long memory_limit;
extern bool init_mem_is_free;
extern unsigned long klimit;
extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);
struct device_node;
extern void note_scsi_host(struct device_node *, void *);
/* Used in very early kernel initialization. */
extern unsigned long reloc_offset(void);
extern unsigned long add_reloc_offset(unsigned long);
extern void reloc_got2(unsigned long);
#define PTRRELOC(x) ((typeof(x)) add_reloc_offset((unsigned long)(x)))
void check_for_initrd(void);
void mem_topology_setup(void);
void initmem_init(void);
void setup_panic(void);
#define ARCH_PANIC_TIMEOUT 180
#ifdef CONFIG_PPC_PSERIES
extern void pseries_enable_reloc_on_exc(void);
extern void pseries_disable_reloc_on_exc(void);
extern void pseries_big_endian_exceptions(void);
extern void pseries_little_endian_exceptions(void);
#else
static inline void pseries_enable_reloc_on_exc(void) {}
static inline void pseries_disable_reloc_on_exc(void) {}
static inline void pseries_big_endian_exceptions(void) {}
static inline void pseries_little_endian_exceptions(void) {}
#endif /* CONFIG_PPC_PSERIES */
void rfi_flush_enable(bool enable);
/* These are bit flags */
enum l1d_flush_type {
L1D_FLUSH_NONE = 0x1,
L1D_FLUSH_FALLBACK = 0x2,
L1D_FLUSH_ORI = 0x4,
L1D_FLUSH_MTTRIG = 0x8,
};
void setup_rfi_flush(enum l1d_flush_type, bool enable);
void do_rfi_flush_fixups(enum l1d_flush_type types);
#ifdef CONFIG_PPC_BARRIER_NOSPEC
void setup_barrier_nospec(void);
#else
static inline void setup_barrier_nospec(void) { };
#endif
void do_barrier_nospec_fixups(bool enable);
extern bool barrier_nospec_enabled;
#ifdef CONFIG_PPC_BARRIER_NOSPEC
void do_barrier_nospec_fixups_range(bool enable, void *start, void *end);
#else
static inline void do_barrier_nospec_fixups_range(bool enable, void *start, void *end) { };
#endif
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_POWERPC_SETUP_H */
|
