92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
|
/* 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 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 bool pseries_reloc_on_exception(void);
|
||
|
|
extern bool pseries_enable_reloc_on_exc(void);
|
||
|
|
extern void pseries_disable_reloc_on_exc(void);
|
||
|
|
extern void pseries_big_endian_exceptions(void);
|
||
|
|
void __init pseries_little_endian_exceptions(void);
|
||
|
|
#else
|
||
|
|
static inline bool pseries_reloc_on_exception(void) { return false; }
|
||
|
|
static inline bool pseries_enable_reloc_on_exc(void) { return false; }
|
||
|
|
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 setup_entry_flush(bool enable);
|
||
|
|
void setup_uaccess_flush(bool enable);
|
||
|
|
void do_rfi_flush_fixups(enum l1d_flush_type types);
|
||
|
|
#ifdef CONFIG_PPC_BARRIER_NOSPEC
|
||
|
|
void __init setup_barrier_nospec(void);
|
||
|
|
#else
|
||
|
|
static inline void setup_barrier_nospec(void) { }
|
||
|
|
#endif
|
||
|
|
void do_uaccess_flush_fixups(enum l1d_flush_type types);
|
||
|
|
void do_entry_flush_fixups(enum l1d_flush_type types);
|
||
|
|
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
|
||
|
|
|
||
|
|
#ifdef CONFIG_PPC_FSL_BOOK3E
|
||
|
|
void __init setup_spectre_v2(void);
|
||
|
|
#else
|
||
|
|
static inline void setup_spectre_v2(void) {}
|
||
|
|
#endif
|
||
|
|
void __init do_btb_flush_fixups(void);
|
||
|
|
|
||
|
|
#ifdef CONFIG_PPC32
|
||
|
|
unsigned long __init early_init(unsigned long dt_ptr);
|
||
|
|
void __init machine_init(u64 dt_ptr);
|
||
|
|
#endif
|
||
|
|
void __init early_setup(unsigned long dt_ptr);
|
||
|
|
void early_setup_secondary(void);
|
||
|
|
|
||
|
|
#endif /* !__ASSEMBLY__ */
|
||
|
|
|
||
|
|
#endif /* _ASM_POWERPC_SETUP_H */
|
||
|
|
|