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 16 extern unsigned long eentry; 17 extern unsigned long tlbrentry; 18 extern unsigned long pcpu_handlers[NR_CPUS]; 19 extern long exception_handlers[VECSIZE * 128 / sizeof(long)]; 20 extern char init_command_line[COMMAND_LINE_SIZE]; 21 extern void tlb_init(int cpu); 22 extern void cpu_cache_init(void); 23 extern void cache_error_setup(void); 24 extern void per_cpu_trap_init(int cpu); 25 extern void set_handler(unsigned long offset, void *addr, unsigned long len); 26 extern void set_merr_handler(unsigned long offset, void *addr, unsigned long len); 27 28 #ifdef CONFIG_RELOCATABLE 29 30 struct rela_la_abs { 31 long pc; 32 long symvalue; 33 }; 34 35 extern long __la_abs_begin; 36 extern long __la_abs_end; 37 extern long __rela_dyn_begin; 38 extern long __rela_dyn_end; 39 40 #ifdef CONFIG_RELR 41 extern long __relr_dyn_begin; 42 extern long __relr_dyn_end; 43 #endif 44 45 extern unsigned long __init relocate_kernel(void); 46 47 #endif 48 49 static inline unsigned long kaslr_offset(void) 50 { 51 return (unsigned long)&_text - VMLINUX_LOAD_ADDRESS; 52 } 53 54 #endif /* __SETUP_H */ 55