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-rw-r--r--arch/x86/realmode/rm/Makefile19
-rw-r--r--arch/x86/realmode/rm/reboot.S1
-rw-r--r--arch/x86/realmode/rm/trampoline_32.S1
-rw-r--r--arch/x86/realmode/rm/trampoline_64.S1
-rw-r--r--arch/x86/realmode/rm/wakeup_asm.S15
5 files changed, 7 insertions, 30 deletions
diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile
index 88692871823..7c0d7be176a 100644
--- a/arch/x86/realmode/rm/Makefile
+++ b/arch/x86/realmode/rm/Makefile
@@ -52,8 +52,9 @@ $(obj)/realmode.elf: $(obj)/realmode.lds $(REALMODE_OBJS) FORCE
OBJCOPYFLAGS_realmode.bin := -O binary
targets += realmode.bin
-$(obj)/realmode.bin: $(obj)/realmode.elf $(obj)/realmode.relocs
+$(obj)/realmode.bin: $(obj)/realmode.elf $(obj)/realmode.relocs FORCE
$(call if_changed,objcopy)
+ @:
quiet_cmd_relocs = RELOCS $@
cmd_relocs = arch/x86/tools/relocs --realmode $< > $@
@@ -64,19 +65,7 @@ $(obj)/realmode.relocs: $(obj)/realmode.elf FORCE
# ---------------------------------------------------------------------------
-# How to compile the 16-bit code. Note we always compile for -march=i386,
-# that way we can complain to the user if the CPU is insufficient.
-KBUILD_CFLAGS := $(LINUXINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ -D_WAKEUP \
- -I$(srctree)/arch/x86/boot \
- -DDISABLE_BRANCH_PROFILING \
- -Wall -Wstrict-prototypes \
- -march=i386 -mregparm=3 \
- -include $(srctree)/$(src)/../../boot/code16gcc.h \
- -fno-strict-aliasing -fomit-frame-pointer -fno-pic \
- $(call cc-option, -ffreestanding) \
- $(call cc-option, -fno-toplevel-reorder,\
- $(call cc-option, -fno-unit-at-a-time)) \
- $(call cc-option, -fno-stack-protector) \
- $(call cc-option, -mpreferred-stack-boundary=2)
+KBUILD_CFLAGS := $(LINUXINCLUDE) $(REALMODE_CFLAGS) -D_SETUP -D_WAKEUP \
+ -I$(srctree)/arch/x86/boot
KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
GCOV_PROFILE := n
diff --git a/arch/x86/realmode/rm/reboot.S b/arch/x86/realmode/rm/reboot.S
index f932ea61d1c..d66c607bdc5 100644
--- a/arch/x86/realmode/rm/reboot.S
+++ b/arch/x86/realmode/rm/reboot.S
@@ -1,5 +1,4 @@
#include <linux/linkage.h>
-#include <linux/init.h>
#include <asm/segment.h>
#include <asm/page_types.h>
#include <asm/processor-flags.h>
diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S
index c1b2791183e..48ddd76bc4c 100644
--- a/arch/x86/realmode/rm/trampoline_32.S
+++ b/arch/x86/realmode/rm/trampoline_32.S
@@ -20,7 +20,6 @@
*/
#include <linux/linkage.h>
-#include <linux/init.h>
#include <asm/segment.h>
#include <asm/page_types.h>
#include "realmode.h"
diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S
index bb360dc39d2..dac7b20d2f9 100644
--- a/arch/x86/realmode/rm/trampoline_64.S
+++ b/arch/x86/realmode/rm/trampoline_64.S
@@ -25,7 +25,6 @@
*/
#include <linux/linkage.h>
-#include <linux/init.h>
#include <asm/pgtable_types.h>
#include <asm/page_types.h>
#include <asm/msr.h>
diff --git a/arch/x86/realmode/rm/wakeup_asm.S b/arch/x86/realmode/rm/wakeup_asm.S
index e56479e5805..9e7e14797a7 100644
--- a/arch/x86/realmode/rm/wakeup_asm.S
+++ b/arch/x86/realmode/rm/wakeup_asm.S
@@ -74,18 +74,9 @@ ENTRY(wakeup_start)
lidtl wakeup_idt
- /* Clear the EFLAGS but remember if we have EFLAGS.ID */
- movl $X86_EFLAGS_ID, %ecx
- pushl %ecx
- popfl
- pushfl
- popl %edi
+ /* Clear the EFLAGS */
pushl $0
popfl
- pushfl
- popl %edx
- xorl %edx, %edi
- andl %ecx, %edi /* %edi is zero iff CPUID & %cr4 are missing */
/* Check header signature... */
movl signature, %eax
@@ -120,12 +111,12 @@ ENTRY(wakeup_start)
movl %eax, %cr3
btl $WAKEUP_BEHAVIOR_RESTORE_CR4, %edi
- jz 1f
+ jnc 1f
movl pmode_cr4, %eax
movl %eax, %cr4
1:
btl $WAKEUP_BEHAVIOR_RESTORE_EFER, %edi
- jz 1f
+ jnc 1f
movl pmode_efer, %eax
movl pmode_efer + 4, %edx
movl $MSR_EFER, %ecx