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-rw-r--r--arch/x86/Kconfig5
-rw-r--r--arch/x86/boot/compressed/Makefile2
-rw-r--r--arch/x86/boot/compressed/head_32.S8
-rw-r--r--arch/x86/boot/compressed/vmlinux.lds.S (renamed from arch/x86/boot/compressed/vmlinux_64.lds)11
-rw-r--r--arch/x86/boot/compressed/vmlinux_32.lds43
5 files changed, 20 insertions, 49 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index bc25b9f5e4c..039c3f04aac 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -47,6 +47,11 @@ config X86
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_LZMA
+config OUTPUT_FORMAT
+ string
+ default "elf32-i386" if X86_32
+ default "elf64-x86-64" if X86_64
+
config ARCH_DEFCONFIG
string
default "arch/x86/configs/i386_defconfig" if X86_32
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 65551c9f857..0f4b5e2abd3 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -19,7 +19,7 @@ KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
LDFLAGS := -m elf_$(UTS_MACHINE)
LDFLAGS_vmlinux := -T
-$(obj)/vmlinux: $(src)/vmlinux_$(BITS).lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/piggy.o FORCE
+$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/piggy.o FORCE
$(call if_changed,ld)
@:
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index 3a8a866fb2e..85bd3285706 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -88,9 +88,9 @@ ENTRY(startup_32)
* where decompression in place becomes safe.
*/
pushl %esi
- leal _end(%ebp), %esi
- leal _end(%ebx), %edi
- movl $(_end - startup_32), %ecx
+ leal _ebss(%ebp), %esi
+ leal _ebss(%ebx), %edi
+ movl $(_ebss - startup_32), %ecx
std
rep
movsb
@@ -121,7 +121,7 @@ relocated:
*/
xorl %eax,%eax
leal _edata(%ebx),%edi
- leal _end(%ebx), %ecx
+ leal _ebss(%ebx), %ecx
subl %edi,%ecx
cld
rep
diff --git a/arch/x86/boot/compressed/vmlinux_64.lds b/arch/x86/boot/compressed/vmlinux.lds.S
index bef1ac891bc..ffcb19134bf 100644
--- a/arch/x86/boot/compressed/vmlinux_64.lds
+++ b/arch/x86/boot/compressed/vmlinux.lds.S
@@ -1,6 +1,13 @@
-OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
+OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT)
+
+#ifdef CONFIG_X86_64
OUTPUT_ARCH(i386:x86-64)
ENTRY(startup_64)
+#else
+OUTPUT_ARCH(i386)
+ENTRY(startup_32)
+#endif
+
SECTIONS
{
/* Be careful parts of head_64.S assume startup_32 is at
@@ -38,11 +45,13 @@ SECTIONS
*(.bss)
*(.bss.*)
*(COMMON)
+#ifdef CONFIG_X86_64
. = ALIGN(8);
_end_before_pgt = . ;
. = ALIGN(4096);
pgtable = . ;
. = . + 4096 * 6;
+#endif
_ebss = .;
}
}
diff --git a/arch/x86/boot/compressed/vmlinux_32.lds b/arch/x86/boot/compressed/vmlinux_32.lds
deleted file mode 100644
index bb3c48379c4..00000000000
--- a/arch/x86/boot/compressed/vmlinux_32.lds
+++ /dev/null
@@ -1,43 +0,0 @@
-OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
-OUTPUT_ARCH(i386)
-ENTRY(startup_32)
-SECTIONS
-{
- /* Be careful parts of head_32.S assume startup_32 is at
- * address 0.
- */
- . = 0;
- .text.head : {
- _head = . ;
- *(.text.head)
- _ehead = . ;
- }
- .rodata.compressed : {
- *(.rodata.compressed)
- }
- .text : {
- _text = .; /* Text */
- *(.text)
- *(.text.*)
- _etext = . ;
- }
- .rodata : {
- _rodata = . ;
- *(.rodata) /* read-only data */
- *(.rodata.*)
- _erodata = . ;
- }
- .data : {
- _data = . ;
- *(.data)
- *(.data.*)
- _edata = . ;
- }
- .bss : {
- _bss = . ;
- *(.bss)
- *(.bss.*)
- *(COMMON)
- _end = . ;
- }
-}