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-rw-r--r--arch/arm/boot/compressed/.gitignore6
-rw-r--r--arch/arm/boot/compressed/Makefile31
-rw-r--r--arch/arm/boot/compressed/piggy.S (renamed from arch/arm/boot/compressed/piggy.gzip.S)2
-rw-r--r--arch/arm/boot/compressed/piggy.lz4.S6
-rw-r--r--arch/arm/boot/compressed/piggy.lzma.S6
-rw-r--r--arch/arm/boot/compressed/piggy.lzo.S6
-rw-r--r--arch/arm/boot/compressed/piggy.xzkern.S6
-rw-r--r--arch/arm/boot/compressed/string.c9
8 files changed, 25 insertions, 47 deletions
diff --git a/arch/arm/boot/compressed/.gitignore b/arch/arm/boot/compressed/.gitignore
index 0714e0334..86b2f5d28 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 43788b1a1..d50430c40 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -66,11 +66,11 @@ endif
CPPFLAGS_vmlinux.lds := -DTEXT_START="$(ZTEXTADDR)" -DBSS_START="$(ZBSSADDR)"
-suffix_$(CONFIG_KERNEL_GZIP) = gzip
-suffix_$(CONFIG_KERNEL_LZO) = lzo
-suffix_$(CONFIG_KERNEL_LZMA) = lzma
-suffix_$(CONFIG_KERNEL_XZ) = xzkern
-suffix_$(CONFIG_KERNEL_LZ4) = lz4
+compress-$(CONFIG_KERNEL_GZIP) = gzip
+compress-$(CONFIG_KERNEL_LZO) = lzo
+compress-$(CONFIG_KERNEL_LZMA) = lzma
+compress-$(CONFIG_KERNEL_XZ) = xzkern
+compress-$(CONFIG_KERNEL_LZ4) = lz4
# Borrowed libfdt files for the ATAG compatibility mode
@@ -89,15 +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 \
- lib1funcs.o lib1funcs.S ashldi3.o ashldi3.S bswapsdi2.o \
- bswapsdi2.S font.o font.c head.o misc.o $(OBJS)
+targets := vmlinux vmlinux.lds piggy_data piggy.o \
+ lib1funcs.o ashldi3.o bswapsdi2.o \
+ head.o $(OBJS)
-# Make sure files are removed during clean
-extra-y += 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) $(libfdt_hdrs) hyp-stub.S
KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
@@ -178,17 +175,17 @@ fi
efi-obj-$(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
- $(call if_changed,$(suffix_y))
+$(obj)/piggy_data: $(obj)/../Image FORCE
+ $(call if_changed,$(compress-y))
-$(obj)/piggy.$(suffix_y).o: $(obj)/piggy.$(suffix_y) FORCE
+$(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
index a68adf91a..f72088495 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 3d9a57561..000000000
--- 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 d7e69cffb..000000000
--- 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 a425ad959..000000000
--- 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 5703f300d..000000000
--- 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:
diff --git a/arch/arm/boot/compressed/string.c b/arch/arm/boot/compressed/string.c
index 36e53ef92..689467448 100644
--- a/arch/arm/boot/compressed/string.c
+++ b/arch/arm/boot/compressed/string.c
@@ -65,6 +65,15 @@ size_t strlen(const char *s)
return sc - s;
}
+size_t strnlen(const char *s, size_t count)
+{
+ const char *sc;
+
+ for (sc = s; count-- && *sc != '\0'; ++sc)
+ /* nothing */;
+ return sc - s;
+}
+
int memcmp(const void *cs, const void *ct, size_t count)
{
const unsigned char *su1 = cs, *su2 = ct, *end = su1 + count;