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 <asm/sections.h> 11 #include <uapi/asm/setup.h> 12 13 #define VECSIZE 0x200 14 15 extern unsigned long eentry; 16 extern unsigned long tlbrentry; 17 extern char init_command_line[COMMAND_LINE_SIZE]; 18 extern void tlb_init(int cpu); 19 extern void cpu_cache_init(void); 20 extern void cache_error_setup(void); 21 extern void per_cpu_trap_init(int cpu); 22 extern void set_handler(unsigned long offset, void *addr, unsigned long len); 23 extern void set_merr_handler(unsigned long offset, void *addr, unsigned long len); 24 25 #ifdef CONFIG_RELOCATABLE 26 27 struct rela_la_abs { 28 long pc; 29 long symvalue; 30 }; 31 32 extern long __la_abs_begin; 33 extern long __la_abs_end; 34 extern long __rela_dyn_begin; 35 extern long __rela_dyn_end; 36 37 #ifdef CONFIG_RELR 38 extern long __relr_dyn_begin; 39 extern long __relr_dyn_end; 40 #endif 41 42 extern unsigned long __init relocate_kernel(void); 43 44 #endif 45 46 static inline unsigned long kaslr_offset(void) 47 { 48 return (unsigned long)&_text - VMLINUX_LOAD_ADDRESS; 49 } 50 51 #endif /* __SETUP_H */ 52