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Subject[PATCH 6d/10] lguest: the Makefiles
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Finally, we put in the Makefile, so it will build.

You can see the pain involved in creating the switcher code
(hypervisor.S) ready to be copied into the top of memory.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

===================================================================
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -108,6 +108,7 @@ drivers-$(CONFIG_PCI) += arch/i386/pci
# must be linked after kernel/
drivers-$(CONFIG_OPROFILE) += arch/i386/oprofile/
drivers-$(CONFIG_PM) += arch/i386/power/
+drivers-$(CONFIG_LGUEST_GUEST) += arch/i386/lguest/

CFLAGS += $(mflags-y)
AFLAGS += $(mflags-y)
===================================================================
--- /dev/null
+++ b/arch/i386/lguest/Makefile
@@ -0,0 +1,22 @@
+# Guest requires the paravirt_ops replacement and the bus driver.
+obj-$(CONFIG_LGUEST_GUEST) += lguest.o lguest_bus.o
+
+# Host requires the other files, which can be a module.
+obj-$(CONFIG_LGUEST) += lg.o
+lg-objs := core.o hypercalls.o page_tables.o interrupts_and_traps.o \
+ segments.o io.o lguest_user.o
+
+# We use top 4MB for guest traps page, then hypervisor. */
+HYPE_ADDR := (0xFFC00000+4096)
+# The data is only 1k (256 interrupt handler pointers)
+HYPE_DATA_SIZE := 1024
+CFLAGS += -DHYPE_ADDR="$(HYPE_ADDR)" -DHYPE_DATA_SIZE="$(HYPE_DATA_SIZE)"
+
+$(obj)/core.o: $(obj)/hypervisor-blob.c
+# This links the hypervisor in the right place and turns it into a C array.
+$(obj)/hypervisor-raw: $(obj)/hypervisor.o
+ @$(LD) -static -Tdata=`printf %#x $$(($(HYPE_ADDR)))` -Ttext=`printf %#x $$(($(HYPE_ADDR)+$(HYPE_DATA_SIZE)))` -o $@ $< && $(OBJCOPY) -O binary $@
+$(obj)/hypervisor-blob.c: $(obj)/hypervisor-raw
+ @od -tx1 -An -v $< | sed -e 's/^ /0x/' -e 's/$$/,/' -e 's/ /,0x/g' > $@
+
+clean-files := hypervisor-blob.c hypervisor-raw

-
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