diff options
Diffstat (limited to 'arch/s390/boot/compressed')
| -rw-r--r-- | arch/s390/boot/compressed/.gitignore | 3 | ||||
| -rw-r--r-- | arch/s390/boot/compressed/Makefile | 14 | ||||
| -rw-r--r-- | arch/s390/boot/compressed/head31.S | 4 | ||||
| -rw-r--r-- | arch/s390/boot/compressed/head64.S | 4 | ||||
| -rw-r--r-- | arch/s390/boot/compressed/misc.c | 61 | ||||
| -rw-r--r-- | arch/s390/boot/compressed/vmlinux.lds.S | 2 |
6 files changed, 56 insertions, 32 deletions
diff --git a/arch/s390/boot/compressed/.gitignore b/arch/s390/boot/compressed/.gitignore new file mode 100644 index 00000000000..ae06b9b4c02 --- /dev/null +++ b/arch/s390/boot/compressed/.gitignore @@ -0,0 +1,3 @@ +sizes.h +vmlinux +vmlinux.lds diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile index 1c999f726a5..f90d1fc6d60 100644 --- a/arch/s390/boot/compressed/Makefile +++ b/arch/s390/boot/compressed/Makefile @@ -6,11 +6,13 @@ BITS := $(if $(CONFIG_64BIT),64,31) -targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 \ - vmlinux.bin.lzma vmlinux.bin.lzo misc.o piggy.o sizes.h head$(BITS).o +targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 +targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4 +targets += misc.o piggy.o sizes.h head$(BITS).o KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 -KBUILD_CFLAGS += $(cflags-y) +KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING +KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks KBUILD_CFLAGS += $(call cc-option,-mpacked-stack) KBUILD_CFLAGS += $(call cc-option,-ffreestanding) @@ -46,17 +48,23 @@ vmlinux.bin.all-y := $(obj)/vmlinux.bin suffix-$(CONFIG_KERNEL_GZIP) := gz suffix-$(CONFIG_KERNEL_BZIP2) := bz2 +suffix-$(CONFIG_KERNEL_LZ4) := lz4 suffix-$(CONFIG_KERNEL_LZMA) := lzma suffix-$(CONFIG_KERNEL_LZO) := lzo +suffix-$(CONFIG_KERNEL_XZ) := xz $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) $(call if_changed,gzip) $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) $(call if_changed,bzip2) +$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) + $(call if_changed,lz4) $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) $(call if_changed,lzma) $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) $(call if_changed,lzo) +$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) + $(call if_changed,xzkern) LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) diff --git a/arch/s390/boot/compressed/head31.S b/arch/s390/boot/compressed/head31.S index 2a5523a32bc..e8c9e18b803 100644 --- a/arch/s390/boot/compressed/head31.S +++ b/arch/s390/boot/compressed/head31.S @@ -7,14 +7,14 @@ */ #include <linux/init.h> +#include <linux/linkage.h> #include <asm/asm-offsets.h> #include <asm/thread_info.h> #include <asm/page.h> #include "sizes.h" __HEAD - .globl startup_continue -startup_continue: +ENTRY(startup_continue) basr %r13,0 # get base .LPG1: # setup stack diff --git a/arch/s390/boot/compressed/head64.S b/arch/s390/boot/compressed/head64.S index 2982cb14055..f86a4eef28a 100644 --- a/arch/s390/boot/compressed/head64.S +++ b/arch/s390/boot/compressed/head64.S @@ -7,14 +7,14 @@ */ #include <linux/init.h> +#include <linux/linkage.h> #include <asm/asm-offsets.h> #include <asm/thread_info.h> #include <asm/page.h> #include "sizes.h" __HEAD - .globl startup_continue -startup_continue: +ENTRY(startup_continue) basr %r13,0 # get base .LPG1: # setup stack diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c index 0851eb1e919..57cbaff1f39 100644 --- a/arch/s390/boot/compressed/misc.c +++ b/arch/s390/boot/compressed/misc.c @@ -19,6 +19,7 @@ #undef memset #undef memcpy #undef memmove +#define memmove memmove #define memzero(s, n) memset((s), 0, (n)) /* Symbols defined by linker scripts */ @@ -46,6 +47,10 @@ static unsigned long free_mem_end_ptr; #include "../../../../lib/decompress_bunzip2.c" #endif +#ifdef CONFIG_KERNEL_LZ4 +#include "../../../../lib/decompress_unlz4.c" +#endif + #ifdef CONFIG_KERNEL_LZMA #include "../../../../lib/decompress_unlzma.c" #endif @@ -54,9 +59,13 @@ static unsigned long free_mem_end_ptr; #include "../../../../lib/decompress_unlzo.c" #endif +#ifdef CONFIG_KERNEL_XZ +#include "../../../../lib/decompress_unxz.c" +#endif + extern _sclp_print_early(const char *); -int puts(const char *s) +static int puts(const char *s) { _sclp_print_early(s); return 0; @@ -66,34 +75,37 @@ void *memset(void *s, int c, size_t n) { char *xs; - if (c == 0) - return __builtin_memset(s, 0, n); - - xs = (char *) s; - if (n > 0) - do { - *xs++ = c; - } while (--n > 0); + xs = s; + while (n--) + *xs++ = c; return s; } -void *memcpy(void *__dest, __const void *__src, size_t __n) +void *memcpy(void *dest, const void *src, size_t n) { - return __builtin_memcpy(__dest, __src, __n); + const char *s = src; + char *d = dest; + + while (n--) + *d++ = *s++; + return dest; } -void *memmove(void *__dest, __const void *__src, size_t __n) +void *memmove(void *dest, const void *src, size_t n) { - char *d; - const char *s; - - if (__dest <= __src) - return __builtin_memcpy(__dest, __src, __n); - d = __dest + __n; - s = __src + __n; - while (__n--) - *--d = *--s; - return __dest; + const char *s = src; + char *d = dest; + + if (d <= s) { + while (n--) + *d++ = *s++; + } else { + d += n; + s += n; + while (n--) + *--d = *--s; + } + return dest; } static void error(char *x) @@ -133,11 +145,12 @@ unsigned long decompress_kernel(void) unsigned long output_addr; unsigned char *output; - check_ipl_parmblock((void *) 0, (unsigned long) output + SZ__bss_start); + output_addr = ((unsigned long) &_end + HEAP_SIZE + 4095UL) & -4096UL; + check_ipl_parmblock((void *) 0, output_addr + SZ__bss_start); memset(&_bss, 0, &_ebss - &_bss); free_mem_ptr = (unsigned long)&_end; free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; - output = (unsigned char *) ((free_mem_end_ptr + 4095UL) & -4096UL); + output = (unsigned char *) output_addr; #ifdef CONFIG_BLK_DEV_INITRD /* diff --git a/arch/s390/boot/compressed/vmlinux.lds.S b/arch/s390/boot/compressed/vmlinux.lds.S index d80f79d8dd9..8e1fb823928 100644 --- a/arch/s390/boot/compressed/vmlinux.lds.S +++ b/arch/s390/boot/compressed/vmlinux.lds.S @@ -5,7 +5,7 @@ OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390") OUTPUT_ARCH(s390:64-bit) #else OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390") -OUTPUT_ARCH(s390) +OUTPUT_ARCH(s390:31-bit) #endif ENTRY(startup) |