linux/arch/s390/boot/boot.h
Heiko Carstens 834979c27f s390/boot: convert initial lowcore to C
Convert initial lowcore to C and use proper defines and structures to
initialize it. This should make the z/VM ipl procedure a bit less magic.

Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2022-05-06 20:45:15 +02:00

39 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef BOOT_BOOT_H
#define BOOT_BOOT_H
#include <linux/types.h>
#define IPL_START 0x200
#ifndef __ASSEMBLY__
void startup_kernel(void);
unsigned long detect_memory(void);
bool is_ipl_block_dump(void);
void store_ipl_parmblock(void);
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 __printf(1, 2) decompressor_printk(const char *fmt, ...);
/* 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[];
unsigned long read_ipl_report(unsigned long safe_offset);
#endif /* __ASSEMBLY__ */
#endif /* BOOT_BOOT_H */