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-rw-r--r--arch/s390/boot/compressed/Makefile12
-rw-r--r--arch/s390/boot/compressed/head.S (renamed from arch/s390/boot/compressed/head64.S)0
-rw-r--r--arch/s390/boot/compressed/head31.S51
-rw-r--r--arch/s390/boot/compressed/vmlinux.lds.S5
4 files changed, 5 insertions, 63 deletions
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index f90d1fc6d603..d4788111c161 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -4,13 +4,11 @@
# create a compressed vmlinux image from the original vmlinux
#
-BITS := $(if $(CONFIG_64BIT),64,31)
-
targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
-targets += misc.o piggy.o sizes.h head$(BITS).o
+targets += misc.o piggy.o sizes.h head.o
-KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
+KBUILD_CFLAGS := -m64 -D__KERNEL__ $(LINUX_INCLUDE) -O2
KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks
KBUILD_CFLAGS += $(call cc-option,-mpacked-stack)
@@ -19,7 +17,7 @@ KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
GCOV_PROFILE := n
OBJECTS := $(addprefix $(objtree)/arch/s390/kernel/, head.o sclp.o ebcdic.o)
-OBJECTS += $(obj)/head$(BITS).o $(obj)/misc.o $(obj)/piggy.o
+OBJECTS += $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o
LDFLAGS_vmlinux := --oformat $(LD_BFD) -e startup -T
$(obj)/vmlinux: $(obj)/vmlinux.lds $(OBJECTS)
@@ -34,8 +32,8 @@ quiet_cmd_sizes = GEN $@
$(obj)/sizes.h: vmlinux
$(call if_changed,sizes)
-AFLAGS_head$(BITS).o += -I$(obj)
-$(obj)/head$(BITS).o: $(obj)/sizes.h
+AFLAGS_head.o += -I$(obj)
+$(obj)/head.o: $(obj)/sizes.h
CFLAGS_misc.o += -I$(obj)
$(obj)/misc.o: $(obj)/sizes.h
diff --git a/arch/s390/boot/compressed/head64.S b/arch/s390/boot/compressed/head.S
index f86a4eef28a9..f86a4eef28a9 100644
--- a/arch/s390/boot/compressed/head64.S
+++ b/arch/s390/boot/compressed/head.S
diff --git a/arch/s390/boot/compressed/head31.S b/arch/s390/boot/compressed/head31.S
deleted file mode 100644
index e8c9e18b8039..000000000000
--- a/arch/s390/boot/compressed/head31.S
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Startup glue code to uncompress the kernel
- *
- * Copyright IBM Corp. 2010
- *
- * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
- */
-
-#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
-ENTRY(startup_continue)
- basr %r13,0 # get base
-.LPG1:
- # setup stack
- l %r15,.Lstack-.LPG1(%r13)
- ahi %r15,-96
- l %r1,.Ldecompress-.LPG1(%r13)
- basr %r14,%r1
- # setup registers for memory mover & branch to target
- lr %r4,%r2
- l %r2,.Loffset-.LPG1(%r13)
- la %r4,0(%r2,%r4)
- l %r3,.Lmvsize-.LPG1(%r13)
- lr %r5,%r3
- # move the memory mover someplace safe
- la %r1,0x200
- mvc 0(mover_end-mover,%r1),mover-.LPG1(%r13)
- # decompress image is started at 0x11000
- lr %r6,%r2
- br %r1
-mover:
- mvcle %r2,%r4,0
- jo mover
- br %r6
-mover_end:
-
- .align 8
-.Lstack:
- .long 0x8000 + (1<<(PAGE_SHIFT+THREAD_ORDER))
-.Ldecompress:
- .long decompress_kernel
-.Loffset:
- .long 0x11000
-.Lmvsize:
- .long SZ__bss_start
diff --git a/arch/s390/boot/compressed/vmlinux.lds.S b/arch/s390/boot/compressed/vmlinux.lds.S
index 8e1fb8239287..747735f83426 100644
--- a/arch/s390/boot/compressed/vmlinux.lds.S
+++ b/arch/s390/boot/compressed/vmlinux.lds.S
@@ -1,12 +1,7 @@
#include <asm-generic/vmlinux.lds.h>
-#ifdef CONFIG_64BIT
OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
OUTPUT_ARCH(s390:64-bit)
-#else
-OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
-OUTPUT_ARCH(s390:31-bit)
-#endif
ENTRY(startup)