nexus-am/Makefile.compile

# Compilation flags
ARCH_SPLIT = $(subst -, ,$(ARCH))
ISA        = $(word 1,$(ARCH_SPLIT))
PLATFORM   = $(word 2,$(ARCH_SPLIT))

ifeq ($(ISA), mips32)
CROSS_COMPILE = mips-linux-gnu-
endif

ifeq ($(PLATFORM), navy)
NAVY_LIBS = libndl libos libc
INC_DIR += $(addsuffix /include/, $(addprefix $(NAVY_HOME)/libs/, $(NAVY_LIBS)))
endif

AS = $(CROSS_COMPILE)gcc
CC = $(CROSS_COMPILE)gcc
CXX = $(CROSS_COMPILE)g++
LD = $(CROSS_COMPILE)ld
OBJCOPY = $(CROSS_COMPILE)objcopy
READELF = $(CROSS_COMPILE)readelf

ISA_DEF = __ISA_$(shell echo $(ISA) | tr a-z A-Z)__

INCLUDES  = $(addprefix -I, $(INC_DIR)) -I$(AM_HOME)/am/
INCLUDES += -I$(AM_HOME)/am/arch/$(ARCH)/include

CFLAGS_COMMON += -O2 -MMD -Wall -Werror -ggdb $(INCLUDES) -D$(ISA_DEF) \
                 -fno-builtin -fno-stack-protector
CFLAGS   += -std=gnu11
CXXFLAGS += -std=c++11 -ffreestanding -fno-rtti -fno-exceptions
ASFLAGS  += -MMD $(INCLUDES) -D$(ISA_DEF)

ifeq ($(ISA), native)
CFLAGS_COMMON += -fpie
ASFLAGS  += -fpie -pie
endif

ifeq ($(ISA), mips32)
CFLAGS_COMMON += -fno-pic -static -fno-strict-aliasing -fno-delayed-branch -mno-abicalls -march=mips32 -mno-check-zero-division -EL -mno-llsc -mno-imadd -mno-mad
ASFLAGS  += -march=mips32 -EL -mno-check-zero-division -O0 -mno-abicalls -fno-pic -fno-delayed-branch
endif

ifeq ($(ISA), x86)
CFLAGS_COMMON += -m32 -fno-pic -fno-omit-frame-pointer -march=i386 -mstringop-strategy=loop -fno-reorder-functions
ASFLAGS  += -m32
endif

ifeq ($(ISA), am_native)
CFLAGS_COMMON += -fno-omit-frame-pointer -fno-reorder-functions
endif

CFLAGS   += $(CFLAGS_COMMON)
CXXFLAGS += $(CFLAGS_COMMON)

# Files to be compiled
OBJS = $(addprefix $(DST_DIR)/, $(addsuffix .o, $(basename $(SRCS))))

# Compilation patterns
$(DST_DIR)/%.o: %.cpp
	@echo + CXX $<
	@mkdir -p $(dir $@)
	@$(CXX) $(CXXFLAGS) -c -o $@ $<
$(DST_DIR)/%.o: %.c
	@echo + CC $<
	@mkdir -p $(dir $@)
	@$(CC) $(CFLAGS) -c -o $@ $<
$(DST_DIR)/%.o: %.S
	@echo + AS $<
	@mkdir -p $(dir $@)
	@$(AS) $(ASFLAGS) -c -o $@ $<

# Depencies
DEPS = $(addprefix $(DST_DIR)/, $(addsuffix .d, $(basename $(SRCS))))
-include $(DEPS)

# Dependent AM and libraries
.PHONY: $(LIBS) am
am:
	@$(MAKE) -C $(AM_HOME)
$(sort $(LIBS)): %:
	@$(MAKE) -C $(AM_HOME)/libs/$*
refactor makefile 2017-06-02 20:40:03 +08:00			`# Compilation flags`
Makefile.compile: refactor ARCH * split ARCH into REAL_ARCH and PLATFORM * the same REAL_ARCH shares the same arch-dependent flags * different PLATFORM of the same REAL_ARCH may have some different flags 2017-05-30 13:10:04 +08:00			`ARCH_SPLIT = $(subst -, ,$(ARCH))`
Makefile.compile: rename REAL_ARCH to ISA * this matches the description in SPEC.md 2017-06-05 23:23:54 +08:00			`ISA = $(word 1,$(ARCH_SPLIT))`
Makefile.compile: refactor ARCH * split ARCH into REAL_ARCH and PLATFORM * the same REAL_ARCH shares the same arch-dependent flags * different PLATFORM of the same REAL_ARCH may have some different flags 2017-05-30 13:10:04 +08:00			`PLATFORM = $(word 2,$(ARCH_SPLIT))`

Makefile.compile: rename REAL_ARCH to ISA * this matches the description in SPEC.md 2017-06-05 23:23:54 +08:00			`ifeq ($(ISA), mips32)`
move out makefile 2017-05-21 21:17:11 +08:00			`CROSS_COMPILE = mips-linux-gnu-`
			`endif`

am: add x64-navy 2018-09-03 21:40:27 +08:00			`ifeq ($(PLATFORM), navy)`
			`NAVY_LIBS = libndl libos libc`
			`INC_DIR += $(addsuffix /include/, $(addprefix $(NAVY_HOME)/libs/, $(NAVY_LIBS)))`
			`endif`

move out makefile 2017-05-21 21:17:11 +08:00			`AS = $(CROSS_COMPILE)gcc`
			`CC = $(CROSS_COMPILE)gcc`
			`CXX = $(CROSS_COMPILE)g++`
			`LD = $(CROSS_COMPILE)ld`
Makefile: add objcopy 2017-07-29 12:10:30 +08:00			`OBJCOPY = $(CROSS_COMPILE)objcopy`
apps,nanos-lite,loader: use fs api to load the first prog 2017-08-03 23:59:53 +08:00			`READELF = $(CROSS_COMPILE)readelf`
move out makefile 2017-05-21 21:17:11 +08:00
makefie, add -D__ISA_XX__ 2017-06-19 21:24:34 +08:00			`ISA_DEF = __ISA_$(shell echo $(ISA) \| tr a-z A-Z)__`

refactor makefile 2017-06-02 20:40:03 +08:00			`INCLUDES = $(addprefix -I, $(INC_DIR)) -I$(AM_HOME)/am/`
			`INCLUDES += -I$(AM_HOME)/am/arch/$(ARCH)/include`
Makefile.compile: refactor CFLAGS 2018-10-12 10:31:37 +08:00
			`CFLAGS_COMMON += -O2 -MMD -Wall -Werror -ggdb $(INCLUDES) -D$(ISA_DEF) \`
			`-fno-builtin -fno-stack-protector`
			`CFLAGS += -std=gnu11`
			`CXXFLAGS += -std=c++11 -ffreestanding -fno-rtti -fno-exceptions`
			`ASFLAGS += -MMD $(INCLUDES) -D$(ISA_DEF)`
move out makefile 2017-05-21 21:17:11 +08:00
Makefile.compile: generate PIE for native * In this way, OS will load native programs to high virtual address. This makes it possible for native AM to use low virtual address. 2018-04-04 10:04:06 +08:00			`ifeq ($(ISA), native)`
Makefile.compile: refactor CFLAGS 2018-10-12 10:31:37 +08:00			`CFLAGS_COMMON += -fpie`
Makefile.compile: generate PIE for native * In this way, OS will load native programs to high virtual address. This makes it possible for native AM to use low virtual address. 2018-04-04 10:04:06 +08:00			`ASFLAGS += -fpie -pie`
			`endif`

Makefile.compile: rename REAL_ARCH to ISA * this matches the description in SPEC.md 2017-06-05 23:23:54 +08:00			`ifeq ($(ISA), mips32)`
Makefile.compile: refactor CFLAGS 2018-10-12 10:31:37 +08:00			`CFLAGS_COMMON += -fno-pic -static -fno-strict-aliasing -fno-delayed-branch -mno-abicalls -march=mips32 -mno-check-zero-division -EL -mno-llsc -mno-imadd -mno-mad`
Makefile.compile: refactor ARCH * split ARCH into REAL_ARCH and PLATFORM * the same REAL_ARCH shares the same arch-dependent flags * different PLATFORM of the same REAL_ARCH may have some different flags 2017-05-30 13:10:04 +08:00			`ASFLAGS += -march=mips32 -EL -mno-check-zero-division -O0 -mno-abicalls -fno-pic -fno-delayed-branch`
move out makefile 2017-05-21 21:17:11 +08:00			`endif`

Makefile.compile: rename REAL_ARCH to ISA * this matches the description in SPEC.md 2017-06-05 23:23:54 +08:00			`ifeq ($(ISA), x86)`
Makefile.compile: fix not begin with _start() * without -fno-reorder-functions, x86-navy may place other functions at the beginning of the object file, but nanos-lite requires _start() to be the first function, else the loader can not find the correct entry 2018-12-28 08:56:35 +08:00			`CFLAGS_COMMON += -m32 -fno-pic -fno-omit-frame-pointer -march=i386 -mstringop-strategy=loop -fno-reorder-functions`
move out makefile 2017-05-21 21:17:11 +08:00			`ASFLAGS += -m32`
			`endif`

am: refactor navy * basic one is x86-navy * add another navy with differential ISA by symbolic link to x86-navy 2018-09-08 03:05:20 +08:00			`ifeq ($(ISA), am_native)`
Makefile.compile: refactor CFLAGS 2018-10-12 10:31:37 +08:00			`CFLAGS_COMMON += -fno-omit-frame-pointer -fno-reorder-functions`
am: refactor navy * basic one is x86-navy * add another navy with differential ISA by symbolic link to x86-navy 2018-09-08 03:05:20 +08:00			`endif`

Makefile.compile: refactor CFLAGS 2018-10-12 10:31:37 +08:00			`CFLAGS += $(CFLAGS_COMMON)`
			`CXXFLAGS += $(CFLAGS_COMMON)`

refactor makefile 2017-06-02 20:40:03 +08:00			`# Files to be compiled`
			`OBJS = $(addprefix $(DST_DIR)/, $(addsuffix .o, $(basename $(SRCS))))`

standalone makefile works 2017-05-21 22:10:24 +08:00			`# Compilation patterns`
			`$(DST_DIR)/%.o: %.cpp`
Makefile: output short message while compiling/linking 2017-08-12 15:58:53 +08:00			`@echo + CXX $<`
standalone makefile works 2017-05-21 22:10:24 +08:00			`@mkdir -p $(dir $@)`
Makefile: output short message while compiling/linking 2017-08-12 15:58:53 +08:00			`@$(CXX) $(CXXFLAGS) -c -o $@ $<`
standalone makefile works 2017-05-21 22:10:24 +08:00			`$(DST_DIR)/%.o: %.c`
Makefile: output short message while compiling/linking 2017-08-12 15:58:53 +08:00			`@echo + CC $<`
standalone makefile works 2017-05-21 22:10:24 +08:00			`@mkdir -p $(dir $@)`
Makefile: output short message while compiling/linking 2017-08-12 15:58:53 +08:00			`@$(CC) $(CFLAGS) -c -o $@ $<`
standalone makefile works 2017-05-21 22:10:24 +08:00			`$(DST_DIR)/%.o: %.S`
Makefile: output short message while compiling/linking 2017-08-12 15:58:53 +08:00			`@echo + AS $<`
standalone makefile works 2017-05-21 22:10:24 +08:00			`@mkdir -p $(dir $@)`
Makefile: output short message while compiling/linking 2017-08-12 15:58:53 +08:00			`@$(AS) $(ASFLAGS) -c -o $@ $<`
move out makefile 2017-05-21 21:17:11 +08:00
refactor makefile 2017-06-02 20:40:03 +08:00			`# Depencies`
			`DEPS = $(addprefix $(DST_DIR)/, $(addsuffix .d, $(basename $(SRCS))))`
distribute makefile to each dirs 2017-05-21 23:22:51 +08:00			`-include $(DEPS)`
refactor makefile 2017-06-02 20:40:03 +08:00
			`# Dependent AM and libraries`
			`.PHONY: $(LIBS) am`
			`am:`
Makefile.compile: do not echo submake commands 2017-08-12 15:59:26 +08:00			`@$(MAKE) -C $(AM_HOME)`
Makefile.compile: only one klib target 2017-08-12 15:55:44 +08:00			`$(sort $(LIBS)): %:`
Makefile.compile: do not echo submake commands 2017-08-12 15:59:26 +08:00			`@$(MAKE) -C $(AM_HOME)/libs/$*`