[PATCH 5/6] ARM: decompressor: merge piggy.*.S and simplify Makefile

From: Masahiro Yamada
Date: Mon Feb 22 2016 - 02:32:48 EST


The files piggy.$(suffix).S are similar enough to be merged into a
single file. This also allows clean up of the Makefile.

Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---

arch/arm/boot/compressed/.gitignore | 6 +-----
arch/arm/boot/compressed/Makefile | 14 ++++++--------
arch/arm/boot/compressed/{piggy.gzip.S => piggy.S} | 2 +-
arch/arm/boot/compressed/piggy.lz4.S | 6 ------
arch/arm/boot/compressed/piggy.lzma.S | 6 ------
arch/arm/boot/compressed/piggy.lzo.S | 6 ------
arch/arm/boot/compressed/piggy.xzkern.S | 6 ------
7 files changed, 8 insertions(+), 38 deletions(-)
rename arch/arm/boot/compressed/{piggy.gzip.S => piggy.S} (67%)
delete mode 100644 arch/arm/boot/compressed/piggy.lz4.S
delete mode 100644 arch/arm/boot/compressed/piggy.lzma.S
delete mode 100644 arch/arm/boot/compressed/piggy.lzo.S
delete mode 100644 arch/arm/boot/compressed/piggy.xzkern.S

diff --git a/arch/arm/boot/compressed/.gitignore b/arch/arm/boot/compressed/.gitignore
index 0714e03..86b2f5d 100644
--- a/arch/arm/boot/compressed/.gitignore
+++ b/arch/arm/boot/compressed/.gitignore
@@ -3,11 +3,7 @@ bswapsdi2.S
font.c
lib1funcs.S
hyp-stub.S
-piggy.gzip
-piggy.lzo
-piggy.lzma
-piggy.xzkern
-piggy.lz4
+piggy_data
vmlinux
vmlinux.lds

diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 903b953..3243f09 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -89,14 +89,12 @@ ifeq ($(CONFIG_ARM_ATAG_DTB_COMPAT),y)
OBJS += $(libfdt_objs) atags_to_fdt.o
endif

-targets := vmlinux vmlinux.lds \
- piggy.$(suffix_y) piggy.$(suffix_y).o \
+targets := vmlinux vmlinux.lds piggy_data piggy.o \
lib1funcs.o ashldi3.o bswapsdi2.o \
head.o $(OBJS)

-clean-files += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern piggy.lz4 \
- lib1funcs.S ashldi3.S bswapsdi2.S $(libfdt) $(libfdt_hdrs) \
- hyp-stub.S
+clean-files += piggy_data lib1funcs.S ashldi3.S bswapsdi2.S \
+ $(libfdt) $(libfdt_hdrs) hyp-stub.S

KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING

@@ -177,17 +175,17 @@ fi

efi-obj-$(CONFIG_EFI_STUB) := $(objtree)/drivers/firmware/efi/libstub/lib.a

-$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.$(suffix_y).o \
+$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/$(HEAD) $(obj)/piggy.o \
$(addprefix $(obj)/, $(OBJS)) $(lib1funcs) $(ashldi3) \
$(bswapsdi2) $(efi-obj-y) FORCE
@$(check_for_multiple_zreladdr)
$(call if_changed,ld)
@$(check_for_bad_syms)

-$(obj)/piggy.$(suffix_y): $(obj)/../Image FORCE
+$(obj)/piggy_data: $(obj)/../Image FORCE
$(call if_changed,$(suffix_y))

-$(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y)
+$(obj)/piggy.o: $(obj)/piggy_data

CFLAGS_font.o := -Dstatic=

diff --git a/arch/arm/boot/compressed/piggy.gzip.S b/arch/arm/boot/compressed/piggy.S
similarity index 67%
rename from arch/arm/boot/compressed/piggy.gzip.S
rename to arch/arm/boot/compressed/piggy.S
index a68adf9..f720884 100644
--- a/arch/arm/boot/compressed/piggy.gzip.S
+++ b/arch/arm/boot/compressed/piggy.S
@@ -1,6 +1,6 @@
.section .piggydata,#alloc
.globl input_data
input_data:
- .incbin "arch/arm/boot/compressed/piggy.gzip"
+ .incbin "arch/arm/boot/compressed/piggy_data"
.globl input_data_end
input_data_end:
diff --git a/arch/arm/boot/compressed/piggy.lz4.S b/arch/arm/boot/compressed/piggy.lz4.S
deleted file mode 100644
index 3d9a575..0000000
--- a/arch/arm/boot/compressed/piggy.lz4.S
+++ /dev/null
@@ -1,6 +0,0 @@
- .section .piggydata,#alloc
- .globl input_data
-input_data:
- .incbin "arch/arm/boot/compressed/piggy.lz4"
- .globl input_data_end
-input_data_end:
diff --git a/arch/arm/boot/compressed/piggy.lzma.S b/arch/arm/boot/compressed/piggy.lzma.S
deleted file mode 100644
index d7e69cf..0000000
--- a/arch/arm/boot/compressed/piggy.lzma.S
+++ /dev/null
@@ -1,6 +0,0 @@
- .section .piggydata,#alloc
- .globl input_data
-input_data:
- .incbin "arch/arm/boot/compressed/piggy.lzma"
- .globl input_data_end
-input_data_end:
diff --git a/arch/arm/boot/compressed/piggy.lzo.S b/arch/arm/boot/compressed/piggy.lzo.S
deleted file mode 100644
index a425ad9..0000000
--- a/arch/arm/boot/compressed/piggy.lzo.S
+++ /dev/null
@@ -1,6 +0,0 @@
- .section .piggydata,#alloc
- .globl input_data
-input_data:
- .incbin "arch/arm/boot/compressed/piggy.lzo"
- .globl input_data_end
-input_data_end:
diff --git a/arch/arm/boot/compressed/piggy.xzkern.S b/arch/arm/boot/compressed/piggy.xzkern.S
deleted file mode 100644
index 5703f30..0000000
--- a/arch/arm/boot/compressed/piggy.xzkern.S
+++ /dev/null
@@ -1,6 +0,0 @@
- .section .piggydata,#alloc
- .globl input_data
-input_data:
- .incbin "arch/arm/boot/compressed/piggy.xzkern"
- .globl input_data_end
-input_data_end:
--
1.9.1