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-rw-r--r--arch/i386/boot/compressed/Makefile7
-rw-r--r--arch/i386/boot/compressed/head.S6
2 files changed, 9 insertions, 4 deletions
diff --git a/arch/i386/boot/compressed/Makefile b/arch/i386/boot/compressed/Makefile
index a661217f33e..189fa1dbefc 100644
--- a/arch/i386/boot/compressed/Makefile
+++ b/arch/i386/boot/compressed/Makefile
@@ -9,9 +9,14 @@ targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o \
EXTRA_AFLAGS := -traditional
LDFLAGS_vmlinux := -T
-CFLAGS_misc.o += -fPIC
hostprogs-y := relocs
+CFLAGS := -m32 -D__KERNEL__ $(LINUX_INCLUDE) -O2 \
+ -fno-strict-aliasing -fPIC \
+ $(call cc-option,-ffreestanding) \
+ $(call cc-option,-fno-stack-protector)
+LDFLAGS := -m elf_i386
+
$(obj)/vmlinux: $(src)/vmlinux.lds $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o FORCE
$(call if_changed,ld)
@:
diff --git a/arch/i386/boot/compressed/head.S b/arch/i386/boot/compressed/head.S
index 3517a32aaf4..f35ea223752 100644
--- a/arch/i386/boot/compressed/head.S
+++ b/arch/i386/boot/compressed/head.S
@@ -45,10 +45,10 @@ startup_32:
* at and where we were actually loaded at. This can only be done
* with a short local call on x86. Nothing else will tell us what
* address we are running at. The reserved chunk of the real-mode
- * data at 0x34-0x3f are used as the stack for this calculation.
- * Only 4 bytes are needed.
+ * data at 0x1e4 (defined as a scratch field) are used as the stack
+ * for this calculation. Only 4 bytes are needed.
*/
- leal 0x40(%esi), %esp
+ leal (0x1e4+4)(%esi), %esp
call 1f
1: popl %ebp
subl $1b, %ebp