1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef BOOT_BOOT_H 3 #define BOOT_BOOT_H 4 5 #include <linux/types.h> 6 7 #define IPL_START 0x200 8 9 #ifndef __ASSEMBLY__ 10 11 struct vmlinux_info { 12 unsigned long default_lma; 13 void (*entry)(void); 14 unsigned long image_size; /* does not include .bss */ 15 unsigned long bss_size; /* uncompressed image .bss size */ 16 unsigned long bootdata_off; 17 unsigned long bootdata_size; 18 unsigned long bootdata_preserved_off; 19 unsigned long bootdata_preserved_size; 20 unsigned long dynsym_start; 21 unsigned long rela_dyn_start; 22 unsigned long rela_dyn_end; 23 unsigned long amode31_size; 24 }; 25 26 void startup_kernel(void); 27 unsigned long detect_memory(void); 28 bool is_ipl_block_dump(void); 29 void store_ipl_parmblock(void); 30 unsigned long read_ipl_report(unsigned long safe_offset); 31 void setup_boot_command_line(void); 32 void parse_boot_command_line(void); 33 void verify_facilities(void); 34 void print_missing_facilities(void); 35 void sclp_early_setup_buffer(void); 36 void print_pgm_check_info(void); 37 unsigned long get_random_base(unsigned long safe_addr); 38 void __printf(1, 2) decompressor_printk(const char *fmt, ...); 39 void error(char *m); 40 41 /* Symbols defined by linker scripts */ 42 extern const char kernel_version[]; 43 extern unsigned long memory_limit; 44 extern unsigned long vmalloc_size; 45 extern int vmalloc_size_set; 46 extern int kaslr_enabled; 47 extern char __boot_data_start[], __boot_data_end[]; 48 extern char __boot_data_preserved_start[], __boot_data_preserved_end[]; 49 extern char _decompressor_syms_start[], _decompressor_syms_end[]; 50 extern char _stack_start[], _stack_end[]; 51 extern char _end[]; 52 extern unsigned char _compressed_start[]; 53 extern unsigned char _compressed_end[]; 54 extern struct vmlinux_info _vmlinux_info; 55 #define vmlinux _vmlinux_info 56 57 #endif /* __ASSEMBLY__ */ 58 #endif /* BOOT_BOOT_H */ 59