18f75582aSVasily Gorbik /* SPDX-License-Identifier: GPL-2.0 */ 28f75582aSVasily Gorbik #ifndef BOOT_BOOT_H 38f75582aSVasily Gorbik #define BOOT_BOOT_H 48f75582aSVasily Gorbik 5256d78d0SAlexander Egorenkov #include <linux/types.h> 69a78c70aSVasily Gorbik 7834979c2SHeiko Carstens #define IPL_START 0x200 8834979c2SHeiko Carstens 9834979c2SHeiko Carstens #ifndef __ASSEMBLY__ 10834979c2SHeiko Carstens 11*9c3205b2SAlexander Gordeev struct vmlinux_info { 12*9c3205b2SAlexander Gordeev unsigned long default_lma; 13*9c3205b2SAlexander Gordeev void (*entry)(void); 14*9c3205b2SAlexander Gordeev unsigned long image_size; /* does not include .bss */ 15*9c3205b2SAlexander Gordeev unsigned long bss_size; /* uncompressed image .bss size */ 16*9c3205b2SAlexander Gordeev unsigned long bootdata_off; 17*9c3205b2SAlexander Gordeev unsigned long bootdata_size; 18*9c3205b2SAlexander Gordeev unsigned long bootdata_preserved_off; 19*9c3205b2SAlexander Gordeev unsigned long bootdata_preserved_size; 20*9c3205b2SAlexander Gordeev unsigned long dynsym_start; 21*9c3205b2SAlexander Gordeev unsigned long rela_dyn_start; 22*9c3205b2SAlexander Gordeev unsigned long rela_dyn_end; 23*9c3205b2SAlexander Gordeev unsigned long amode31_size; 24*9c3205b2SAlexander Gordeev }; 25*9c3205b2SAlexander Gordeev 268f75582aSVasily Gorbik void startup_kernel(void); 2773045a08SVasily Gorbik unsigned long detect_memory(void); 2873045a08SVasily Gorbik bool is_ipl_block_dump(void); 2949698745SVasily Gorbik void store_ipl_parmblock(void); 30*9c3205b2SAlexander Gordeev unsigned long read_ipl_report(unsigned long safe_offset); 3149698745SVasily Gorbik void setup_boot_command_line(void); 32b5e80459SVasily Gorbik void parse_boot_command_line(void); 33868202ceSVasily Gorbik void verify_facilities(void); 346d85dac2SVasily Gorbik void print_missing_facilities(void); 35f1d3c532SAlexander Egorenkov void sclp_early_setup_buffer(void); 36724dc336SVasily Gorbik void print_pgm_check_info(void); 37b2d24b97SGerald Schaefer unsigned long get_random_base(unsigned long safe_addr); 389a78c70aSVasily Gorbik void __printf(1, 2) decompressor_printk(const char *fmt, ...); 39*9c3205b2SAlexander Gordeev void error(char *m); 40b2d24b97SGerald Schaefer 417fadcc07SAlexander Egorenkov /* Symbols defined by linker scripts */ 426abe2819SVasily Gorbik extern const char kernel_version[]; 4373045a08SVasily Gorbik extern unsigned long memory_limit; 440c4f2623SVasily Gorbik extern unsigned long vmalloc_size; 4573045a08SVasily Gorbik extern int vmalloc_size_set; 4673045a08SVasily Gorbik extern int kaslr_enabled; 477fadcc07SAlexander Egorenkov extern char __boot_data_start[], __boot_data_end[]; 487fadcc07SAlexander Egorenkov extern char __boot_data_preserved_start[], __boot_data_preserved_end[]; 497fadcc07SAlexander Egorenkov extern char _decompressor_syms_start[], _decompressor_syms_end[]; 50256d78d0SAlexander Egorenkov extern char _stack_start[], _stack_end[]; 51*9c3205b2SAlexander Gordeev extern char _end[]; 52*9c3205b2SAlexander Gordeev extern unsigned char _compressed_start[]; 53*9c3205b2SAlexander Gordeev extern unsigned char _compressed_end[]; 54*9c3205b2SAlexander Gordeev extern struct vmlinux_info _vmlinux_info; 55*9c3205b2SAlexander Gordeev #define vmlinux _vmlinux_info 569641b8ccSMartin Schwidefsky 57834979c2SHeiko Carstens #endif /* __ASSEMBLY__ */ 588f75582aSVasily Gorbik #endif /* BOOT_BOOT_H */ 59