[XTENSA] Use preprocessor to generate the linker script for the ELF boot image
Signed-off-by: Marc Gauthier <marc@tensilica.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
diff --git a/arch/xtensa/boot/boot-elf/Makefile b/arch/xtensa/boot/boot-elf/Makefile
index 734db7f..9cf50ef 100644
--- a/arch/xtensa/boot/boot-elf/Makefile
+++ b/arch/xtensa/boot/boot-elf/Makefile
@@ -14,12 +14,13 @@
endif
export OBJCOPY_ARGS
+export CPPFLAGS_boot.lds += -P -C
boot-y := bootstrap.o
OBJS := $(addprefix $(obj)/,$(boot-y))
-Image: vmlinux $(OBJS)
+Image: vmlinux $(OBJS) arch/$(ARCH)/boot/boot-elf/boot.lds
$(OBJCOPY) --strip-all -R .comment -R .xt.insn -O binary \
vmlinux vmlinux.tmp
$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
@@ -27,7 +28,7 @@
--set-section-flags image=contents,alloc,load,load,data \
$(OBJS) $@.tmp
$(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) \
- -T $(srctree)/arch/$(ARCH)/boot/boot-elf/boot.ld \
+ -T arch/$(ARCH)/boot/boot-elf/boot.lds \
-o arch/$(ARCH)/boot/$@.elf $@.tmp
rm -f $@.tmp vmlinux.tmp
diff --git a/arch/xtensa/boot/boot-elf/boot.ld b/arch/xtensa/boot/boot-elf/boot.lds.S
similarity index 91%
rename from arch/xtensa/boot/boot-elf/boot.ld
rename to arch/xtensa/boot/boot-elf/boot.lds.S
index e33855c..849dfca 100644
--- a/arch/xtensa/boot/boot-elf/boot.ld
+++ b/arch/xtensa/boot/boot-elf/boot.lds.S
@@ -1,3 +1,4 @@
+#include <asm/variant/core.h>
OUTPUT_ARCH(xtensa)
ENTRY(_ResetVector)
@@ -62,7 +63,7 @@
_end = .;
_param_start = .;
- .ResetVector.text 0xfe000020 :
+ .ResetVector.text XCHAL_RESET_VECTOR_VADDR :
{
*(.ResetVector.text)
}