diff options
Diffstat (limited to 'arch/s390/boot/compressed')
| -rw-r--r-- | arch/s390/boot/compressed/Makefile | 2 | ||||
| -rw-r--r-- | arch/s390/boot/compressed/misc.c | 17 |
2 files changed, 6 insertions, 13 deletions
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile index 8262984aa405..a69746cd83be 100644 --- a/arch/s390/boot/compressed/Makefile +++ b/arch/s390/boot/compressed/Makefile @@ -62,6 +62,6 @@ OBJCOPYFLAGS_piggy.o := -I binary -O elf64-s390 -B s390:64-bit --rename-section $(obj)/piggy.o: $(obj)/vmlinux.bin$(suffix-y) FORCE $(call if_changed,objcopy) -chkbss := $(filter-out $(obj)/misc.o $(obj)/piggy.o $(obj)/info.o,$(OBJECTS)) +chkbss := $(filter-out $(obj)/piggy.o $(obj)/info.o,$(OBJECTS)) chkbss-target := $(obj)/vmlinux.bin include $(srctree)/arch/s390/scripts/Makefile.chkbss diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c index 8b35af625aff..5dcf34e31f8d 100644 --- a/arch/s390/boot/compressed/misc.c +++ b/arch/s390/boot/compressed/misc.c @@ -11,12 +11,14 @@ #include <asm/page.h> #include <asm/sclp.h> #include <asm/ipl.h> +#include <asm/sections.h> #include "decompressor.h" /* * gzip declarations */ #define STATIC static +#define STATIC_RW_DATA static __section(.data) #undef memset #undef memcpy @@ -26,21 +28,20 @@ /* Symbols defined by linker scripts */ extern char _end[]; -extern char _bss[], _ebss[]; extern unsigned char _compressed_start[]; extern unsigned char _compressed_end[]; static void error(char *m); -static unsigned long free_mem_ptr; -static unsigned long free_mem_end_ptr; - #ifdef CONFIG_HAVE_KERNEL_BZIP2 #define HEAP_SIZE 0x400000 #else #define HEAP_SIZE 0x10000 #endif +static unsigned long free_mem_ptr = (unsigned long) _end; +static unsigned long free_mem_end_ptr = (unsigned long) _end + HEAP_SIZE; + #ifdef CONFIG_KERNEL_GZIP #include "../../../../lib/decompress_inflate.c" #endif @@ -102,14 +103,6 @@ void *decompress_kernel(void) } #endif - /* - * Clear bss section. free_mem_ptr and free_mem_end_ptr need to be - * initialized afterwards since they reside in bss. - */ - memset(_bss, 0, _ebss - _bss); - free_mem_ptr = (unsigned long) _end; - free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; - __decompress(_compressed_start, _compressed_end - _compressed_start, NULL, NULL, output, 0, NULL, error); return output; |