mirror of https://github.com/hak5/openwrt-owl.git
64 lines
1.9 KiB
Diff
64 lines
1.9 KiB
Diff
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--- a/scripts/Makefile.lib
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+++ b/scripts/Makefile.lib
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@@ -172,4 +172,9 @@
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quiet_cmd_gzip = GZIP $@
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cmd_gzip = gzip -f -9 < $< > $@
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-
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+# LZMA
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+#
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+quiet_cmd_lzma = LZMA $@
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+cmd_lzma = bash -e scripts/lzma_kern $< $@ -lc7 -lp0 -pb0
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+# to use lzmacomp,
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+# cmd_lzma = lzmacomp $< 700 > $@
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--- /dev/null
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+++ b/scripts/lzma_kern
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@@ -0,0 +1,4 @@
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+get-size() { echo "$5" ;}
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+printf -v len '%.8x' "$(get-size $(ls -l "$1"))"
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+lzma e "$@"
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+echo -ne "\x$(echo $len | cut -c 7,8)\x$(echo $len | cut -c 5,6)\x$(echo $len | cut -c 3,4)\x$(echo $len | cut -c 1,2)" >> "$2"
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--- a/arch/x86/boot/compressed/Makefile
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+++ b/arch/x86/boot/compressed/Makefile
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@@ -4,7 +4,7 @@
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# create a compressed vmlinux image from the original vmlinux
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#
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-targets := vmlinux vmlinux.bin vmlinux.bin.gz head_$(BITS).o misc.o piggy.o
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+targets := vmlinux vmlinux.bin vmlinux.bin.lzma head_$(BITS).o lzma_misc.o piggy.o
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KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
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KBUILD_CFLAGS += -fno-strict-aliasing -fPIC
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@@ -18,7 +18,7 @@
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LDFLAGS := -m elf_$(UTS_MACHINE)
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LDFLAGS_vmlinux := -T
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-$(obj)/vmlinux: $(src)/vmlinux_$(BITS).lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/piggy.o FORCE
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+$(obj)/vmlinux: $(src)/vmlinux_$(BITS).lds $(obj)/head_$(BITS).o $(obj)/lzma_misc.o $(obj)/piggy.o FORCE
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$(call if_changed,ld)
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@:
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@@ -44,11 +44,11 @@
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$(call if_changed,relocbin)
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ifdef CONFIG_RELOCATABLE
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-$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE
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- $(call if_changed,gzip)
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+$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin.all FORCE
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+ $(call if_changed,lzma)
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else
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-$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
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- $(call if_changed,gzip)
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+$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
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+ $(call if_changed,lzma)
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endif
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LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T
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@@ -60,5 +60,5 @@
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endif
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-$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
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+$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.lzma FORCE
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$(call if_changed,ld)
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