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authorKees Cook <keescook@chromium.org>2014-10-31 19:22:04 +0300
committerThomas Gleixner <tglx@linutronix.de>2014-11-02 00:46:02 +0300
commitfb7183ef3c016d9067ff83f3ff2455be1818f902 (patch)
treeb0d2f59a8079b8541fd3796c0e3f3497f5662f56 /arch/x86/boot
parent4f4274af7009890f0d4724909bf9038193955489 (diff)
downloadlinux-fb7183ef3c016d9067ff83f3ff2455be1818f902.tar.xz
x86, boot: Document intermediates more clearly
This adds a comment detailing the various intermediate files used to build the bootable decompression image for the x86 kernel. Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Cc: Matt Fleming <matt.fleming@intel.com> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Junjie Mao <eternal.n08@gmail.com> Link: http://lkml.kernel.org/r/20141031162204.GA26268@www.outflux.net Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/boot')
-rw-r--r--arch/x86/boot/compressed/Makefile12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 704f58aa79cd..8a3918180a9e 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -3,6 +3,18 @@
#
# create a compressed vmlinux image from the original vmlinux
#
+# vmlinuz is:
+# decompression code (*.o)
+# asm globals (piggy.S), including:
+# vmlinux.bin.(gz|bz2|lzma|...)
+#
+# vmlinux.bin is:
+# vmlinux stripped of debugging and comments
+# vmlinux.bin.all is:
+# vmlinux.bin + vmlinux.relocs
+# vmlinux.bin.(gz|bz2|lzma|...) is:
+# (see scripts/Makefile.lib size_append)
+# compressed vmlinux.bin.all + u32 size of vmlinux.bin.all
targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4