diff options
Diffstat (limited to 'target/linux/generic/patches-4.4/222-arm_zimage_none.patch')
| -rw-r--r-- | target/linux/generic/patches-4.4/222-arm_zimage_none.patch | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/target/linux/generic/patches-4.4/222-arm_zimage_none.patch b/target/linux/generic/patches-4.4/222-arm_zimage_none.patch deleted file mode 100644 index 47fa6c928d..0000000000 --- a/target/linux/generic/patches-4.4/222-arm_zimage_none.patch +++ /dev/null @@ -1,133 +0,0 @@ -ARM: implement "uncompressed zImage" - -Based on RFC patch by Uwe Kleine-König -http://www.spinics.net/lists/arm-kernel/msg230153.html - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- ---- a/arch/arm/boot/compressed/Makefile -+++ b/arch/arm/boot/compressed/Makefile -@@ -71,6 +71,7 @@ suffix_$(CONFIG_KERNEL_LZO) = lzo - suffix_$(CONFIG_KERNEL_LZMA) = lzma - suffix_$(CONFIG_KERNEL_XZ) = xzkern - suffix_$(CONFIG_KERNEL_LZ4) = lz4 -+suffix_$(CONFIG_KERNEL_CAT) = cat - - # Borrowed libfdt files for the ATAG compatibility mode - -@@ -95,7 +96,7 @@ targets := vmlinux vmlinux.lds \ - bswapsdi2.S font.o font.c head.o misc.o $(OBJS) - - # Make sure files are removed during clean --extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern piggy.lz4 \ -+extra-y += piggy.gzip piggy.lzo piggy.lzma piggy.xzkern piggy.lz4 piggy.cat \ - lib1funcs.S ashldi3.S bswapsdi2.S $(libfdt) $(libfdt_hdrs) \ - hyp-stub.S - ---- a/arch/arm/boot/compressed/decompress.c -+++ b/arch/arm/boot/compressed/decompress.c -@@ -55,6 +55,10 @@ extern char * strstr(const char * s1, co - #include "../../../../lib/decompress_unlz4.c" - #endif - -+#ifdef CONFIG_KERNEL_CAT -+#include "../../../../lib/decompress_uncat.c" -+#endif -+ - int do_decompress(u8 *input, int len, u8 *output, void (*error)(char *x)) - { - return __decompress(input, len, NULL, NULL, output, 0, NULL, error); ---- /dev/null -+++ b/arch/arm/boot/compressed/piggy.cat.S -@@ -0,0 +1,6 @@ -+ .section .piggydata,#alloc -+ .globl input_data -+input_data: -+ .incbin "arch/arm/boot/compressed/piggy.cat" -+ .globl input_data_end -+input_data_end: ---- a/init/Kconfig -+++ b/init/Kconfig -@@ -115,6 +115,9 @@ config HAVE_KERNEL_LZO - config HAVE_KERNEL_LZ4 - bool - -+config HAVE_KERNEL_CAT -+ bool -+ - choice - prompt "Kernel compression mode" - default KERNEL_GZIP -@@ -181,9 +184,10 @@ config KERNEL_LZO - bool "LZO" - depends on HAVE_KERNEL_LZO - help -- Its compression ratio is the poorest among the choices. The kernel -- size is about 10% bigger than gzip; however its speed -- (both compression and decompression) is the fastest. -+ Its compression ratio is the poorest among the choices (apart from -+ uncompressed below). The kernel size is about 10% bigger than gzip; -+ however its speed (both compression and decompression) is the -+ fastest. - - config KERNEL_LZ4 - bool "LZ4" -@@ -197,6 +201,12 @@ config KERNEL_LZ4 - is about 8% bigger than LZO. But the decompression speed is - faster than LZO. - -+config KERNEL_CAT -+ bool "uncompressed" -+ depends on HAVE_KERNEL_CAT -+ help -+ Don't use compression at all. -+ - endchoice - - config DEFAULT_HOSTNAME ---- /dev/null -+++ b/lib/decompress_uncat.c -@@ -0,0 +1,17 @@ -+#include <linux/types.h> -+#include <linux/compiler.h> -+ -+#ifdef STATIC -+ -+STATIC int __decompress(unsigned char *buf, long in_len, -+ long (*fill)(void*, unsigned long), -+ long (*flush)(void*, unsigned long), -+ unsigned char *output, long out_len, -+ long *posp, -+ void (*error)(char *x)) -+{ -+ memmove(output, buf, in_len); -+ return 0; -+} -+ -+#endif ---- a/scripts/Makefile.lib -+++ b/scripts/Makefile.lib -@@ -337,6 +337,13 @@ cmd_lz4 = (cat $(filter-out FORCE,$^) | - lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ - (rm -f $@ ; false) - -+# uncompressed -+# --------------------------------------------------------------------------- -+quiet_cmd_cat = CAT $@ -+cmd_cat = (cat $(filter-out FORCE,$^) \ -+ && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ -+ (rm -f $@ ; false) -+ - # U-Boot mkimage - # --------------------------------------------------------------------------- - ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -59,6 +59,7 @@ config ARM - select HAVE_KERNEL_LZMA - select HAVE_KERNEL_LZO - select HAVE_KERNEL_XZ -+ select HAVE_KERNEL_CAT - select HAVE_KPROBES if !XIP_KERNEL && !CPU_ENDIAN_BE32 && !CPU_V7M - select HAVE_KRETPROBES if (HAVE_KPROBES) - select HAVE_MEMBLOCK |