setup.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
 4 */
 5
 6#ifndef _LOONGARCH_SETUP_H
 7#define _LOONGARCH_SETUP_H
 8
 9#include <linux/types.h>
10#include <linux/threads.h>
11#include <asm/sections.h>
12#include <uapi/asm/setup.h>
13
14#define VECSIZE 0x200
15
16extern unsigned long eentry;
17extern unsigned long tlbrentry;
18extern unsigned long pcpu_handlers[NR_CPUS];
19extern long exception_handlers[VECSIZE * 128 / sizeof(long)];
20extern char init_command_line[COMMAND_LINE_SIZE];
21extern void tlb_init(int cpu);
22extern void cpu_cache_init(void);
23extern void cache_error_setup(void);
24extern void per_cpu_trap_init(int cpu);
25extern void set_handler(unsigned long offset, void *addr, unsigned long len);
26extern void set_merr_handler(unsigned long offset, void *addr, unsigned long len);
27
28#ifdef CONFIG_RELOCATABLE
29
30struct rela_la_abs {
31	long pc;
32	long symvalue;
33};
34
35extern long __la_abs_begin;
36extern long __la_abs_end;
37extern long __rela_dyn_begin;
38extern long __rela_dyn_end;
39
40#ifdef CONFIG_RELR
41extern long __relr_dyn_begin;
42extern long __relr_dyn_end;
43#endif
44
45extern unsigned long __init relocate_kernel(void);
46
47#endif
48
49static inline unsigned long kaslr_offset(void)
50{
51	return (unsigned long)&_text - VMLINUX_LOAD_ADDRESS;
52}
53
54#endif /* __SETUP_H */