From 36dffadb7f19671aab58be43c5896ea87d5fb1bf Mon Sep 17 00:00:00 2001
From: Chris Zankel <chris@zankel.net>
Date: Tue, 12 Feb 2008 13:14:17 -0800
Subject: [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>
---
 arch/xtensa/boot/boot-elf/Makefile   |  5 ++-
 arch/xtensa/boot/boot-elf/boot.ld    | 72 -----------------------------------
 arch/xtensa/boot/boot-elf/boot.lds.S | 73 ++++++++++++++++++++++++++++++++++++
 3 files changed, 76 insertions(+), 74 deletions(-)
 delete mode 100644 arch/xtensa/boot/boot-elf/boot.ld
 create mode 100644 arch/xtensa/boot/boot-elf/boot.lds.S

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 @@ OBJCOPY_ARGS    := -O elf32-xtensa-le
 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 @@ Image:	vmlinux $(OBJS)
 		--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.ld
deleted file mode 100644
index e33855c..0000000
--- a/arch/xtensa/boot/boot-elf/boot.ld
+++ /dev/null
@@ -1,72 +0,0 @@
-OUTPUT_ARCH(xtensa)
-ENTRY(_ResetVector)
-
-SECTIONS
-{
-	.start 0xD0000000 : { *(.start) }
-
-	.text 0xD0000000:
-	{
-		__reloc_start = . ;
-		_text_start = . ;
-		*(.literal .text.literal .text)
-		_text_end = . ;
-	}
-
-	.rodata ALIGN(0x04):
-	{
-		*(.rodata)
-		*(.rodata1)
-	}
-
-	.data ALIGN(0x04):
-	{
-		*(.data)
-		*(.data1)
-		*(.sdata)
-		*(.sdata2)
-		*(.got.plt)
-		*(.got)
-		*(.dynamic)
-	}
-
-	__reloc_end = . ;
-
-	.initrd ALIGN(0x10) :
-	{
-		boot_initrd_start = . ;
-		*(.initrd)
-		boot_initrd_end = .;
-	}
-
-	. = ALIGN(0x10);
-	__image_load = . ;
-	.image 0xd0001000:
-	{
-		_image_start = .;
-		*(image)
-		. = (. + 3) & ~ 3;
-		_image_end = .	;
-	}
-
-
-	.bss ((LOADADDR(.image) + SIZEOF(.image) + 3) & ~ 3):
-	{
-		__bss_start = .;
-		*(.sbss)
-		*(.scommon)
-		*(.dynbss)
-		*(.bss)
-		__bss_end = .;
-	}
-	_end = .;
-	_param_start = .;
-
-	.ResetVector.text 0xfe000020 :
-	{
-		*(.ResetVector.text)
-	}
-
-
-	PROVIDE (end = .);
-}
diff --git a/arch/xtensa/boot/boot-elf/boot.lds.S b/arch/xtensa/boot/boot-elf/boot.lds.S
new file mode 100644
index 0000000..849dfca
--- /dev/null
+++ b/arch/xtensa/boot/boot-elf/boot.lds.S
@@ -0,0 +1,73 @@
+#include <asm/variant/core.h>
+OUTPUT_ARCH(xtensa)
+ENTRY(_ResetVector)
+
+SECTIONS
+{
+	.start 0xD0000000 : { *(.start) }
+
+	.text 0xD0000000:
+	{
+		__reloc_start = . ;
+		_text_start = . ;
+		*(.literal .text.literal .text)
+		_text_end = . ;
+	}
+
+	.rodata ALIGN(0x04):
+	{
+		*(.rodata)
+		*(.rodata1)
+	}
+
+	.data ALIGN(0x04):
+	{
+		*(.data)
+		*(.data1)
+		*(.sdata)
+		*(.sdata2)
+		*(.got.plt)
+		*(.got)
+		*(.dynamic)
+	}
+
+	__reloc_end = . ;
+
+	.initrd ALIGN(0x10) :
+	{
+		boot_initrd_start = . ;
+		*(.initrd)
+		boot_initrd_end = .;
+	}
+
+	. = ALIGN(0x10);
+	__image_load = . ;
+	.image 0xd0001000:
+	{
+		_image_start = .;
+		*(image)
+		. = (. + 3) & ~ 3;
+		_image_end = .	;
+	}
+
+
+	.bss ((LOADADDR(.image) + SIZEOF(.image) + 3) & ~ 3):
+	{
+		__bss_start = .;
+		*(.sbss)
+		*(.scommon)
+		*(.dynbss)
+		*(.bss)
+		__bss_end = .;
+	}
+	_end = .;
+	_param_start = .;
+
+	.ResetVector.text XCHAL_RESET_VECTOR_VADDR :
+	{
+		*(.ResetVector.text)
+	}
+
+
+	PROVIDE (end = .);
+}
-- 
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