| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef BOOT_BOOT_H |
| #define BOOT_BOOT_H |
| |
| #include <linux/types.h> |
| |
| #define IPL_START 0x200 |
| |
| #ifndef __ASSEMBLY__ |
| |
| #include <asm/physmem_info.h> |
| |
| 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; |
| #ifdef CONFIG_KASAN |
| unsigned long kasan_early_shadow_page_off; |
| unsigned long kasan_early_shadow_pte_off; |
| unsigned long kasan_early_shadow_pmd_off; |
| unsigned long kasan_early_shadow_pud_off; |
| unsigned long kasan_early_shadow_p4d_off; |
| #endif |
| }; |
| |
| void startup_kernel(void); |
| unsigned long detect_max_physmem_end(void); |
| void detect_physmem_online_ranges(unsigned long max_physmem_end); |
| void physmem_set_usable_limit(unsigned long limit); |
| void physmem_reserve(enum reserved_range_type type, unsigned long addr, unsigned long size); |
| void physmem_free(enum reserved_range_type type); |
| /* for continuous/multiple allocations per type */ |
| unsigned long physmem_alloc_top_down(enum reserved_range_type type, unsigned long size, |
| unsigned long align); |
| /* for single allocations, 1 per type */ |
| unsigned long physmem_alloc_range(enum reserved_range_type type, unsigned long size, |
| unsigned long align, unsigned long min, unsigned long max, |
| bool die_on_oom); |
| unsigned long get_physmem_alloc_pos(void); |
| bool ipl_report_certs_intersects(unsigned long addr, unsigned long size, |
| unsigned long *intersection_start); |
| bool is_ipl_block_dump(void); |
| void store_ipl_parmblock(void); |
| int read_ipl_report(void); |
| void save_ipl_cert_comp_list(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 randomize_within_range(unsigned long size, unsigned long align, |
| unsigned long min, unsigned long max); |
| void setup_vmem(unsigned long asce_limit); |
| void __printf(1, 2) decompressor_printk(const char *fmt, ...); |
| void print_stacktrace(unsigned long sp); |
| 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 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[], _decompressor_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)) |
| |
| static inline bool intersects(unsigned long addr0, unsigned long size0, |
| unsigned long addr1, unsigned long size1) |
| { |
| return addr0 + size0 > addr1 && addr1 + size1 > addr0; |
| } |
| #endif /* __ASSEMBLY__ */ |
| #endif /* BOOT_BOOT_H */ |