# Required software to build GeekOS:
# - GNU Make (http://www.gnu.org/software/make)
# - gcc 2.95.2 generating code for target (i386/ELF) and host platforms
-# - nasm (http://nasm.sourceforge.net)
# - Perl5, AWK (any version), egrep
#
# Cygwin (http://cygwin.com) may be used to build GeekOS.
endif
-#
-# DECODER is the decoder that will be used
-# currently we only support xed
-#
-DECODER=XED
-
-DECODER_FLAGS=
-DECODER_SRCS=
-DECODER_LIBS=
-
-ifeq ($(DECODER),XED)
-DECODER_SRCS := vmm_xed.c
-DECODER_FLAGS := -L../lib/xed
-ifeq ($(ARCH),64)
-DECODER_LIBS := $(PROJECT_ROOT)/lib/xed/libxed32e.a
-else
-DECODER_LIBS := $(PROJECT_ROOT)/lib/xed/libxed.a
-endif
-else
-# This is an error
-endif
-
-
ALL_TARGETS := vmm vm_kernel
+VMM_OBJS := \
+ palacios/vm_guest.o \
+ palacios/svm.o \
+ palacios/svm_handler.o \
+ palacios/vmm.o \
+ palacios/vmm_util.o \
+ palacios/vmm_ctrl_regs.o \
+ palacios/vmcb.o \
+ palacios/vmm_mem.o \
+ palacios/vmm_paging.o \
+ palacios/vmm_io.o \
+ palacios/vmm_debug.o \
+ palacios/svm_io.o \
+ palacios/vmm_intr.o \
+ palacios/vmm_time.o \
+ palacios/vmm_shadow_paging.o \
+ palacios/vm_guest_mem.o \
+ palacios/vm_dev.o \
+ palacios/vmm_dev_mgr.o \
+ palacios/vmm_decoder.o \
+ palacios/svm_halt.o \
+ palacios/svm_pause.o \
+ palacios/svm_wbinvd.o \
+ palacios/vmm_config.o \
+ palacios/vmm_hashtable.o \
+ palacios/vmm_string.o \
+ palacios/vmm_emulator.o \
+ palacios/vmm_queue.o \
+ palacios/vmm_host_events.o \
+ palacios/svm_lowlevel.o \
-
-
-
-VMM_ASM_SRCS :=
-VMM_ASM_OBJS := $(VMM_ASM_SRCS:%.asm=palacios/%.o)
-
-VMM_GAS_SRCS := svm_lowlevel.s
-VMM_GAS_OBJS := $(VMM_GAS_SRCS:%.s=palacios/%.o)
-
-VMM_C_SRCS := vm_guest.c \
- svm.c svm_handler.c vmm.c vmm_util.c vmm_ctrl_regs.c \
- vmcb.c vmm_mem.c vmm_paging.c vmm_io.c vmm_debug.c svm_io.c \
- vmm_intr.c vmm_time.c \
- vmm_shadow_paging.c vm_guest_mem.c \
- vm_dev.c vmm_dev_mgr.c vmm_decoder.c \
- svm_halt.c svm_pause.c svm_wbinvd.c \
- vmm_config.c vmm_hashtable.c \
- vmm_string.c vmm_emulator.c vmm_queue.c\
- vmm_host_events.c \
- $(DECODER_SRCS)
# vmx.c vmcs_gen.c vmcs.c
-VMM_C_OBJS := $(VMM_C_SRCS:%.c=palacios/%.o)
+# Extra C flags for the VMM objects
+$(VMM_OBJS) :: EXTRA_CFLAGS = \
+ $(JRLDEBUG) \
-VMM_OBJS := $(VMM_C_OBJS) $(VMM_ASM_OBJS) $(VMM_GAS_OBJS)
+XED_OBJS := \
+ xed/v3-xed-compat.o \
+ xed/v3-udiv-compat.o \
-XED_C_SRCS := v3-xed-compat.c
-XED_C_OBJS := $(XED_C_SRCS:%.c=xed/%.o)
+$(XED_OBJS) :: EXTRA_CFLAGS =
-XED_GAS_SRCS := v3-udiv-compat.s
-XED_GAS_OBJS := $(XED_GAS_SRCS:%.s=xed/%.o)
-XED_OBJS := $(XED_C_OBJS) $(XED_GAS_OBJS)
+DEVICES_OBJS := \
+ devices/generic.o \
+ devices/keyboard.o \
+ devices/nvram.o \
+ devices/timer.o \
+ devices/simple_pic.o \
+ devices/8259a.o \
+ devices/8254.o \
+ devices/serial.o \
+ devices/ramdisk.o \
+ devices/cdrom.o \
+ devices/bochs_debug.o \
+$(DEVICES_OBJS) :: EXTRA_CFLAGS =
+#
+# DECODER is the decoder that will be used
+# currently we only support xed
+#
+DECODER=XED
-DEVICE_C_SRCS := generic.c keyboard.c nvram.c timer.c simple_pic.c 8259a.c 8254.c serial.c ramdisk.c cdrom.c bochs_debug.c
-
-DEVICE_C_OBJS := $(DEVICE_C_SRCS:%.c=devices/%.o)
-
-DEVICE_OBJS := $(DEVICE_C_OBJS)
-
-V3LIBS := $(DECODER_LIBS)
-
-
+ifeq ($(DECODER),XED)
+VMM_OBJS += palacios/vmm_xed.o
+else
+# This is an error
+endif
# Target C compiler. gcc 2.95.2 or later should work.
ifeq ($(ARCH),64)
-TARGET_CC := $(TARGET_CC_PREFIX)gcc
+TARGET_CC := $(TARGET_CC_PREFIX)gcc -m64
else
TARGET_CC := $(TARGET_CC_PREFIX)gcc -m32
endif
ifeq ($(ARCH),64)
-AS = as
+AS = as --64
else
AS = as --32
endif
# ----------------------------------------------------------------------
# Flags used for all C source files
-#GENERAL_OPTS := -O -Wall $(EXTRA_C_OPTS) $(VMM_FLAGS) -fPIC #-fvisibility=hidden
-GENERAL_OPTS := -O -Wall $(EXTRA_C_OPTS) $(VMM_FLAGS) -fPIC -Werror#-fvisibility=hidden
-CC_GENERAL_OPTS := $(GENERAL_OPTS)
-
-# Flags used for VMM C source files
-CC_VMM_OPTS := -g -I$(PROJECT_ROOT)/include -D__V3VEE__ -D$(V3_ARCH) $(DECODER_FLAGS) $(JRLDEBUG)
-
-# Flags used for VMM C ASM files
-NASM_VMM_OPTS := -I$(PROJECT_ROOT)/src/palacios/ -f elf $(EXTRA_NASM_OPTS)
+CC_GENERAL_OPTS = \
+ -O \
+ -Wall \
+ -g \
+ -D__V3VEE__ \
+ -D$(V3_ARCH) \
+ $(EXTRA_C_OPTS) \
+ $(VMM_FLAGS) \
+ -I$(PROJECT_ROOT)/include \
+ -fPIC \
+ -Werror \
+ -Wp,-MD,$(@D)/.$(@F).d \
+ -Wp,-MT,$@ \
+#-fvisibility=hidden
# Describes how to compile the source files.
# ----------------------------------------------------------------------
-
-
-palacios/%.o : palacios/%.c
- $(TARGET_CC) -c $(CC_GENERAL_OPTS) $(CC_VMM_OPTS) $< -o palacios/$*.o
-
-palacios/%.o : palacios/%.asm
- $(NASM) $(NASM_VMM_OPTS) $< -o palacios/$*.o
-
-palacios/%.o : palacios/%.S
- $(CPP) $(CC_VMM_OPTS) $< | $(AS) -o palacios/$*.o
-
-
-
-devices/%.o : devices/%.c
- $(TARGET_CC) -c $(CC_GENERAL_OPTS) $(CC_VMM_OPTS) $< -o devices/$*.o
-
-devices/%.o : devices/%.asm
- $(NASM) $(NASM_VMM_OPTS) $< -o devices/$*.o
-
-
-xed/%.o : xed/%.c
- $(TARGET_CC) -c $(CC_GENERAL_OPTS) $(CC_VMM_OPTS) $< -o xed/$*.o
-
-xed/%.o : xed/%.s
- $(AS) $< -o xed/$*.o
+# Compilation of kernel C source files
+# Usage:
+# $(call build,TAG,commandline)
+#
+# If V=1 on the command line or the environment, then the actual
+# command executed will be echoed to the terminal. Otherwise
+# only the tag and the output file will be printed to make
+# any warnings stand out from the compile messages.
+#
+build = \
+ @if [ -z "$V" ]; then \
+ echo ' [$1] $@'; \
+ $2; \
+ else \
+ echo '$2'; \
+ $2; \
+ fi
+
+
+
+CC_COMPILE = \
+ $(call build,CC,$(TARGET_CC) \
+ $(CC_GENERAL_OPTS) \
+ $(EXTRA_CFLAGS) \
+ -c \
+ $< \
+ -o $@ \
+ )
+
+AS_COMPILE = \
+ $(call build,AS,$(TARGET_CC) \
+ $(CC_GENERAL_OPTS) \
+ $(EXTRA_CFLAGS) \
+ -c \
+ $< \
+ -o $@ \
+ )
+
+
+%.o: %.c
+ $(CC_COMPILE)
+%.o: %.S
+ $(AS_COMPILE)
+%.o: %.s
+ $(AS_COMPILE)
# ----------------------------------------------------------------------
# The kernel executable and symbol map.
-palacios/vmm.lib: $(VMM_OBJS) $(DEVICE_OBJS) $(XED_OBJS) vm_kernel
-# $(TARGET_LD) -o palacios/vmm.lib \
-# $(DECODER_FLAGS) \
-# $(VMM_OBJS) $(DEVICE_OBJS) $(XED_OBJS) $(V3LIBS) -b binary vm_kernel
-# $(TARGET_NM) palacios/vmm.lib > palacios/vmm.syms
- $(TARGET_AR) rcs libv3vee.a \
- $(VMM_OBJS) $(DEVICE_OBJS) $(XED_OBJS)
-
+palacios/vmm.lib: libv3vee.a
+libv3vee.a: \
+ $(VMM_OBJS) \
+ $(DEVICES_OBJS) \
+ $(XED_OBJS) \
+ $(call build,AR,$(TARGET_AR) rcs $@ $^)
force:
# Clean build directories of generated files
clean :
for d in palacios devices xed; do \
- (cd $$d && rm -f *); \
+ (cd $$d && rm -f * .*.d); \
done
-# Build header file dependencies, so source files are recompiled when
-# header files they depend on are modified.
-depend : $(GENERATED_LIBC_SRCS)
-
- $(TARGET_CC) -M $(CC_GENERAL_OPTS) $(CC_KERNEL_OPTS) \
- $(VMM_C_SRCS:%.c=$(PROJECT_ROOT)/src/palacios/%.c) \
- | $(PERL) -n -e 's,^(\S),palacios/$$1,;print' \
- >> depend.mak
- $(TARGET_CC) -M $(CC_GENERAL_OPTS) $(CC_KERNEL_OPTS) \
- $(DEVICE_C_SRCS:%.c=$(PROJECT_ROOT)/src/devices/%.c) \
- | $(PERL) -n -e 's,^(\S),devices/$$1,;print' \
- >> depend.mak
-
-# By default, there are no header file dependencies.
-depend.mak :
- touch $@
-
-include depend.mak
+# Include all of the generated dependency files if they exist
+-include */.*.o.d
