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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef BOOT_BOOT_H
#define BOOT_BOOT_H
#include <linux/types.h>
#define IPL_START 0x200
#ifndef __ASSEMBLY__
struct machine_info {
unsigned char has_edat1 : 1;
unsigned char has_edat2 : 1;
unsigned char has_nx : 1;
};
struct vmlinux_info {
unsigned long default_lma;
unsigned long entry;
unsigned long image_size; /* does not include .bss */
unsigned long bss_size; /* uncompressed image .bss size */
unsigned long bootdata_off;
unsigned long bootdata_size;
unsigned long bootdata_preserved_off;
unsigned long bootdata_preserved_size;
unsigned long dynsym_start;
unsigned long rela_dyn_start;
unsigned long rela_dyn_end;
unsigned long amode31_size;
unsigned long init_mm_off;
unsigned long swapper_pg_dir_off;
unsigned long invalid_pg_dir_off;
};
void startup_kernel(void);
unsigned long detect_memory(unsigned long *safe_addr);
void mem_detect_set_usable_limit(unsigned long limit);
bool is_ipl_block_dump(void);
void store_ipl_parmblock(void);
unsigned long read_ipl_report(unsigned long safe_addr);
void setup_boot_command_line(void);
void parse_boot_command_line(void);
void verify_facilities(void);
void print_missing_facilities(void);
void sclp_early_setup_buffer(void);
void print_pgm_check_info(void);
unsigned long get_random_base(unsigned long safe_addr);
void setup_vmem(unsigned long asce_limit);
unsigned long vmem_estimate_memory_needs(unsigned long online_mem_total);
void __printf(1, 2) decompressor_printk(const char *fmt, ...);
void error(char *m);
extern struct machine_info machine;
/* Symbols defined by linker scripts */
extern const char kernel_version[];
extern unsigned long memory_limit;
extern unsigned long vmalloc_size;
extern int vmalloc_size_set;
extern int kaslr_enabled;
extern char __boot_data_start[], __boot_data_end[];
extern char __boot_data_preserved_start[], __boot_data_preserved_end[];
extern char _decompressor_syms_start[], _decompressor_syms_end[];
extern char _stack_start[], _stack_end[];
extern char _end[];
extern unsigned char _compressed_start[];
extern unsigned char _compressed_end[];
extern struct vmlinux_info _vmlinux_info;
#define vmlinux _vmlinux_info
#define __abs_lowcore_pa(x) (((unsigned long)(x) - __abs_lowcore) % sizeof(struct lowcore))
#endif /* __ASSEMBLY__ */
#endif /* BOOT_BOOT_H */
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