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@@ -2,16 +2,10 @@ export PAL_DIR = $(CURDIR)
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export RUNTIME_DIR = $(CURDIR)/../../Runtime
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include Makefile.Host
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--include Makefile.Status
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-
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-ifeq ($(DEBUG),1)
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-BUILD_TARGET = $(PAL_HOST)-debug
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-else
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-BUILD_TARGET = $(PAL_HOST)
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-endif
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# Customizable PAL Targets
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# (specify in Makefile.am in host-specific directories)
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+# For concurrent builds, all PAL targets must be in host-specific directories
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pal_loader =
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pal_sec =
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pal_lib =
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@@ -22,12 +16,21 @@ pal_gdb =
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include host/$(PAL_HOST)/Makefile.am
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-CFLAGS += -I. -I../include -Ihost/$(PAL_HOST) -I../lib
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+HOST_DIR = host/$(PAL_HOST)
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+LIB_DIR = $(HOST_DIR)/.lib
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+OBJ_DIR = $(HOST_DIR)/.obj
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+
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+CFLAGS += -I. -I../include -I$(HOST_DIR) -I../lib
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ifeq ($(PROFILING),1)
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CFLAGS += -DPROFILING=1
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endif
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+# Build Targets:
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+# (1) Host-specific targets are in "host/{Host Name}".
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+# (2) Generic targets are in "host/{Host Name}/.obj".
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+# (3) API library targets are in "host/{Host Name}/.lib".
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+
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files_to_build = $(pal_lib) $(pal_lib_post) $(pal_static) \
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$(pal_loader) $(pal_sec)
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@@ -35,9 +38,10 @@ defs = -DIN_PAL -DHOST_TYPE="$(PAL_HOST)" -D$(PAL_HOST_MACRO) -DPAL_DIR=$(PAL_DI
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-DRUNTIME_DIR=$(RUNTIME_DIR)
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objs = $(addprefix db_,streams memory threading mutex events process \
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object main misc ipc exception rtld) slab printf
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-graphene_lib = .lib/graphene-lib.a
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-host_lib = host/$(PAL_HOST)/libpal-$(PAL_HOST).a
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-headers = $(wildcard *.h) $(wildcard ../lib/*.h) host/$(PAL_HOST)/pal_host.h
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+
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+graphene_lib = $(LIB_DIR)/graphene-lib.a
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+host_lib = $(HOST_DIR)/libpal-$(PAL_HOST).a
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+headers = $(wildcard *.h) $(wildcard ../lib/*.h) $(HOST_DIR)/pal_host.h
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ifeq ($(findstring x86_64,$(SYS))$(findstring linux,$(SYS)),x86_64linux)
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files_to_build += user_start.o user_shared_start.o
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@@ -49,6 +53,12 @@ CFLAGS += -DDEBUG
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endif
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export DEBUG
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+# Install Targets (all in RUNTIME_DIR):
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+# pal-{Host Name}: loader for PAL (as an executable)
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+# libpal-{Host Name}.so: dynamic-linking library
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+# pal_sec-{Host Name}: secure loader for PAL (as an executable)
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+# pal_gdb-{Host Name}: debugger for PAL (as an executable)
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+
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runtime_loader = $(RUNTIME_DIR)/pal-$(PAL_HOST)
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ifneq ($(pal_lib),)
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@@ -65,30 +75,22 @@ endif
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files_to_install = $(runtime_loader) $(runtime_lib) $(runtime_sec) $(runtime_gdb)
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-.PHONY: all
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-all: | check_target $(files_to_build) $(files_to_install)
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-ifndef SAVED_TARGET
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-SAVED_TARGET = $(BUILD_TARGET)
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-endif
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+###########################
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+## Generic Build Rules ##
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+###########################
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-SAVED_OS = $(patsubst %-debug,%,$(SAVED_TARGET))
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+.PHONY: all
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+all: $(files_to_build) $(files_to_install)
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-.PHONY: check_target
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-check_target:
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- @echo "Building target: $(BUILD_TARGET)"
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-ifneq ($(SAVED_TARGET),$(BUILD_TARGET))
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- $(error "A different target is built earlier. Prune the directory first.")
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-endif
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- @echo "SAVED_TARGET = $(BUILD_TARGET)" > Makefile.Status
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+$(LIB_DIR)/host_endian.h: $(HOST_DIR)/host_endian.h
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+ @mkdir -p $(LIB_DIR)
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+ cp -f $< $@
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.PHONY: $(host_lib) $(graphene_lib) $(pal_lib) $(pal_sec)
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-$(graphene_lib): host_endian.h
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- $(MAKE) -C ../lib target=$(shell pwd)/.lib/
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-
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-host_endian.h: host/$(PAL_HOST)/host_endian.h
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- ln -sf $< $@
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+$(graphene_lib): $(LIB_DIR)/host_endian.h
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+ $(MAKE) -C ../lib target=$(abspath $(LIB_DIR))/
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$(host_lib): $(graphene_lib)
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@[ ! -d host/$(PAL_HOST) ] || $(MAKE) -C host/$(PAL_HOST)
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@@ -99,7 +101,8 @@ $(runtime_loader): $(pal_loader)
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cp -f $< $@
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ifneq ($(pal_lib),)
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-$(pal_lib): $(addsuffix .o,$(objs)) $(host_lib) $(graphene_lib) $(pal_lib_deps)
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+$(pal_lib): $(addprefix $(OBJ_DIR)/,$(addsuffix .o,$(objs))) \
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+ $(host_lib) $(graphene_lib) $(pal_lib_deps)
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@echo [ $@ ]
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$(LD) $(LDFLAGS) -o $@ $(filter-out %.map %.lds,$^) $(LDFLAGS-suffix)
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@@ -126,15 +129,18 @@ endif
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ifneq ($(pal_lib_post),)
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$(pal_lib_post): $(pal_lib)
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- $(MAKE) -C host/$(PAL_HOST) ../../$@
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+ @$(MAKE) -C $(HOST_DIR) $@
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endif
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-$(pal_static): $(addsuffix .o,$(objs)) $(host_lib) $(graphene_lib)
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+$(pal_static): $(addprefix $(OBJ_DIR)/,$(addsuffix .o,$(objs))) \
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+ $(host_lib) $(graphene_lib)
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@echo [ $@ ]
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- $(AR) $(ARFLAGS) $@ $^ $(ARFLAGS-suffix)
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+ @$(AR) $(ARFLAGS) $@ $^ $(ARFLAGS-suffix)
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-%.asm: %.c $(headers)
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- $(CC) $(CFLAGS) $(defs) -c $< -o $<.o
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+$(OBJ_DIR)/%.asm: %.c $(headers)
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+ @mkdir -p $(OBJ_DIR)
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+ @echo [ $@ ]
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+ @$(CC) $(CFLAGS) $(defs) -c $< -o $<.o
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@objdump -S $<.o > $@
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@rm $<.o
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@@ -146,19 +152,18 @@ user_shared_start.o: user_start.S
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@echo [ $@ ]
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@$(CC) -DSHARED -fPIC -c $< -o $@
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-%.o: %.c $(headers)
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+$(OBJ_DIR)/%.o: %.c $(headers)
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+ @mkdir -p $(OBJ_DIR)
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@echo [ $@ ]
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@$(CC) $(CFLAGS) $(defs) -c $< -o $@ $(CFLAGS-suffix)
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-%.e: %.c $(headers)
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+$(OBJ_DIR)/%.e: %.c $(headers)
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+ @mkdir -p $(OBJ_DIR)
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@echo [ $@ ]
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@$(CC) $(CFLAGS) $(defs) -E $< -o $@ $(CFLAGS-suffix)
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.PHONY: clean
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clean:
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-ifneq ($(SAVED_OS),$(PAL_HOST))
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- $(MAKE) clean PAL_HOST=$(SAVED_OS)
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-endif
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- rm -rf $(addsuffix .o,$(objs)) $(files_to_build) host_endian.h .lib Makefile.Status
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- @[ ! -d host/$(PAL_HOST) ] || $(MAKE) -C host/$(PAL_HOST) clean
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+ rm -rf $(LIB_DIR) $(OBJ_DIR)
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+ @[ ! -d $(HOST_DIR) ] || $(MAKE) -C $(HOST_DIR) clean
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@[ ! -d security/$(PAL_HOST) ] || $(MAKE) -C security/$(PAL_HOST) clean
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Chia-Che Tsai