| # This creates the demonstration utility "lguest" which runs a Linux guest. |
| |
| # For those people that have a separate object dir, look there for .config |
| KBUILD_OUTPUT := ../.. |
| ifdef O |
| ifeq ("$(origin O)", "command line") |
| KBUILD_OUTPUT := $(O) |
| endif |
| endif |
| # We rely on CONFIG_PAGE_OFFSET to know where to put lguest binary. |
| include $(KBUILD_OUTPUT)/.config |
| LGUEST_GUEST_TOP := ($(CONFIG_PAGE_OFFSET) - 0x08000000) |
| |
| CFLAGS:=-Wall -Wmissing-declarations -Wmissing-prototypes -O3 -Wl,-T,lguest.lds |
| LDLIBS:=-lz |
| # Removing this works for some versions of ld.so (eg. Ubuntu Feisty) and |
| # not others (eg. FC7). |
| LDFLAGS+=-static |
| all: lguest.lds lguest |
| |
| # The linker script on x86 is so complex the only way of creating one |
| # which will link our binary in the right place is to mangle the |
| # default one. |
| lguest.lds: |
| $(LD) --verbose | awk '/^==========/ { PRINT=1; next; } /SIZEOF_HEADERS/ { gsub(/0x[0-9A-F]*/, "$(LGUEST_GUEST_TOP)") } { if (PRINT) print $$0; }' > $@ |
| |
| clean: |
| rm -f lguest.lds lguest |
