From: Alexander Gordeev agordeev@linux.ibm.com
[ Upstream commit 9c3205b2b062420c26b33924b910880889acf832 ]
Move declarations to appropriate header files. Instead of cryptic casting directly assign struct vmlinux_info type to _vmlinux_info linker script variable - wich it actually is.
Reviewed-by: Heiko Carstens hca@linux.ibm.com Signed-off-by: Alexander Gordeev agordeev@linux.ibm.com Signed-off-by: Heiko Carstens hca@linux.ibm.com Stable-dep-of: 22476f47b6b7 ("s390/boot: fix mem_detect extended area allocation") Signed-off-by: Sasha Levin sashal@kernel.org --- arch/s390/boot/boot.h | 24 ++++++++++++++++++++++-- arch/s390/boot/decompressor.c | 1 + arch/s390/boot/decompressor.h | 26 -------------------------- 3 files changed, 23 insertions(+), 28 deletions(-)
diff --git a/arch/s390/boot/boot.h b/arch/s390/boot/boot.h index 70418389414d3..f6e82cf7851e2 100644 --- a/arch/s390/boot/boot.h +++ b/arch/s390/boot/boot.h @@ -8,10 +8,26 @@
#ifndef __ASSEMBLY__
+struct vmlinux_info { + unsigned long default_lma; + void (*entry)(void); + 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; +}; + void startup_kernel(void); unsigned long detect_memory(void); bool is_ipl_block_dump(void); void store_ipl_parmblock(void); +unsigned long read_ipl_report(unsigned long safe_offset); void setup_boot_command_line(void); void parse_boot_command_line(void); void verify_facilities(void); @@ -20,6 +36,7 @@ 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, ...); +void error(char *m);
/* Symbols defined by linker scripts */ extern const char kernel_version[]; @@ -31,8 +48,11 @@ 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); +extern char _end[]; +extern unsigned char _compressed_start[]; +extern unsigned char _compressed_end[]; +extern struct vmlinux_info _vmlinux_info; +#define vmlinux _vmlinux_info
#endif /* __ASSEMBLY__ */ #endif /* BOOT_BOOT_H */ diff --git a/arch/s390/boot/decompressor.c b/arch/s390/boot/decompressor.c index b519a1f045d8f..d762733a07530 100644 --- a/arch/s390/boot/decompressor.c +++ b/arch/s390/boot/decompressor.c @@ -11,6 +11,7 @@ #include <linux/string.h> #include <asm/page.h> #include "decompressor.h" +#include "boot.h"
/* * gzip declarations diff --git a/arch/s390/boot/decompressor.h b/arch/s390/boot/decompressor.h index f75cc31a77dd9..92b81d2ea35d6 100644 --- a/arch/s390/boot/decompressor.h +++ b/arch/s390/boot/decompressor.h @@ -2,37 +2,11 @@ #ifndef BOOT_COMPRESSED_DECOMPRESSOR_H #define BOOT_COMPRESSED_DECOMPRESSOR_H
-#include <linux/stddef.h> - #ifdef CONFIG_KERNEL_UNCOMPRESSED static inline void *decompress_kernel(void) { return NULL; } #else void *decompress_kernel(void); #endif unsigned long mem_safe_offset(void); -void error(char *m); - -struct vmlinux_info { - unsigned long default_lma; - void (*entry)(void); - 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; -}; - -/* Symbols defined by linker scripts */ -extern char _end[]; -extern unsigned char _compressed_start[]; -extern unsigned char _compressed_end[]; -extern char _vmlinux_info[]; - -#define vmlinux (*(struct vmlinux_info *)_vmlinux_info)
#endif /* BOOT_COMPRESSED_DECOMPRESSOR_H */