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8ca47e0069
A brief document describing how to use lguest. Because lguest doesn't have an ABI we also include an example launcher in the Documentation directory. [jmorris@namei.org: Fix up nat example in documentation] Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Andi Kleen <ak@suse.de> Signed-off-by: James Morris <jmorris@namei.org> Cc: Matias Zabaljauregui <matias.zabaljauregui@cern.ch> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
27 lines
938 B
Makefile
27 lines
938 B
Makefile
# This creates the demonstration utility "lguest" which runs a Linux guest.
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# For those people that have a separate object dir, look there for .config
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KBUILD_OUTPUT := ../..
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ifdef O
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ifeq ("$(origin O)", "command line")
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KBUILD_OUTPUT := $(O)
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endif
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endif
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# We rely on CONFIG_PAGE_OFFSET to know where to put lguest binary.
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include $(KBUILD_OUTPUT)/.config
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LGUEST_GUEST_TOP := ($(CONFIG_PAGE_OFFSET) - 0x08000000)
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CFLAGS:=-Wall -Wmissing-declarations -Wmissing-prototypes -O3 \
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-static -DLGUEST_GUEST_TOP="$(LGUEST_GUEST_TOP)" -Wl,-T,lguest.lds
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LDLIBS:=-lz
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all: lguest.lds lguest
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# The linker script on x86 is so complex the only way of creating one
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# which will link our binary in the right place is to mangle the
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# default one.
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lguest.lds:
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$(LD) --verbose | awk '/^==========/ { PRINT=1; next; } /SIZEOF_HEADERS/ { gsub(/0x[0-9A-F]*/, "$(LGUEST_GUEST_TOP)") } { if (PRINT) print $$0; }' > $@
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clean:
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rm -f lguest.lds lguest
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