reworked build system to automatically compile Linux kernel module when selected...

[palacios.git] / Makefile

diff --git a/Makefile b/Makefile
index 9acf2de..eb383bd 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -298,8 +298,10 @@ V3_INCLUDE      := -Ipalacios/include \
 
 CPPFLAGS        := $(V3_INCLUDE) -D__V3VEE__
 
-CFLAGS                 :=  -fno-stack-protector -Wall -Werror -fPIC -mno-red-zone -fno-common
-#-fPIC
+CFLAGS                 :=  -fno-stack-protector -Wall -Werror  -mno-red-zone -fno-common 
+
+
+
 #-ffreestanding
 
 
@@ -434,6 +436,9 @@ libs-y              := palacios/lib/$(ARCH)/
 devices-y       := palacios/src/devices/
 modules-y       := modules/
 
+
+
+
 ifeq ($(dot-config),1)
 # In this section, we need .config
 
@@ -460,7 +465,12 @@ else
 palacios/include/autoconf.h: ;
 endif
 
+
+ifdef CONFIG_LINUX
+DEFAULT_EXTRA_TARGETS=linux_module
+else
 DEFAULT_EXTRA_TARGETS=
+endif
 
 # The all: target is the default when no target is given on the
 # command line.
@@ -469,6 +479,12 @@ DEFAULT_EXTRA_TARGETS=
 all: palacios $(DEFAULT_EXTRA_TARGETS)
 
 
+ifdef CONFIG_LINUX
+CFLAGS          += -mcmodel=kernel 
+else
+CFLAGS          += -fPIC
+endif
+
 ifdef CONFIG_FRAME_POINTER
 CFLAGS         += -fno-omit-frame-pointer $(call cc-option,-fno-optimize-sibling-calls,)
 else
@@ -529,6 +545,7 @@ core-y              := $(patsubst %/, %/built-in.o, $(core-y))
 devices-y      := $(patsubst %/, %/built-in.o, $(devices-y))
 libs-y         := $(patsubst %/, %/built-in.o, $(libs-y))
 modules-y       := $(patsubst %/, %/built-in.o, $(modules-y))
+
 #core-y                := $(patsubst %/, %/lib.a, $(core-y))
 #devices-y     := $(patsubst %/, %/lib.a, $(devices-y))
 
@@ -553,7 +570,8 @@ modules-y       := $(patsubst %/, %/built-in.o, $(modules-y))
 
 palacios := $(core-y) $(devices-y) $(libs-y) $(modules-y)
 
-# Rule to link palacios - also used during CONFIG_KALLSYMS
+
+# Rule to link palacios - also used during CONFIG_CONFIGKALLSYMS
 # May be overridden by /Makefile.$(ARCH)
 quiet_cmd_palacios__ ?= AR $@ 
       cmd_palacios__ ?= $(AR) rcs $@ $^
@@ -592,6 +610,14 @@ libv3vee.a: $(palacios)
 
 palacios: libv3vee.a
 
+
+linux_module/v3vee.ko:
+       cd linux_module/ && make CONFIG_LINUX_KERN=$(CONFIG_LINUX_KERN)
+       cp linux_module/v3vee.ko v3vee.ko
+
+
+linux_module: linux_module/v3vee.ko
+
 palacios.asm: palacios
        $(OBJDUMP) --disassemble $< > $@
 
@@ -707,7 +733,7 @@ clean: archclean $(clean-dirs)
        @find . $(RCS_FIND_IGNORE) \
                \( -name 'lib' \) -prune -o \
                \( -name '*.[oas]' -o -name '.*.cmd' \
-               -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \) \
+               -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' -o -name '*.ko' \) \
                -type f -print | xargs rm -f
 
 # mrproper - Delete all generated files, including .config