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build: initial support for building nemu, am-kernels with nix

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xinyangli 2024-03-04 11:59:50 +08:00
parent f9808d0a40
commit 3c7c5f060e
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6 changed files with 139 additions and 123 deletions
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27
abstract-machine/Makefile
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@ -47,33 +47,32 @@ endif
### Create the destination directory (`build/$ARCH`)
WORK_DIR = $(shell pwd)
DST_DIR = $(WORK_DIR)/build/$(ARCH)
BUILD_DIR ?= $(WORK_DIR)/build
DST_DIR = $(BUILD_DIR)/$(ARCH)
$(shell mkdir -p $(DST_DIR))
### Compilation targets (a binary image or archive)
IMAGE_REL = build/$(NAME)-$(ARCH)
IMAGE_REL = $(DST_DIR)/$(NAME)-$(ARCH)
IMAGE = $(abspath $(IMAGE_REL))
ARCHIVE = $(WORK_DIR)/build/$(NAME)-$(ARCH).a
ARCHIVE = $(BUILD_DIR)/$(NAME)-$(ARCH).a
### Collect the files to be linked: object files (`.o`) and libraries (`.a`)
OBJS = $(addprefix $(DST_DIR)/, $(addsuffix .o, $(basename $(SRCS))))
LIBS := $(sort $(LIBS) am klib) # lazy evaluation ("=") causes infinite recursions
LINKAGE = $(OBJS) \
$(addsuffix -$(ARCH).a, $(join \
$(addsuffix /build/, $(addprefix $(AM_HOME)/, $(LIBS))), \
$(LIBS) ))
$(addsuffix -$(ARCH).a, $(addprefix $(BUILD_DIR)/, $(LIBS)))
## 3. General Compilation Flags
### (Cross) compilers, e.g., mips-linux-gnu-g++
AS = $(CROSS_COMPILE)gcc
CC = $(CROSS_COMPILE)gcc
CXX = $(CROSS_COMPILE)g++
LD = $(CROSS_COMPILE)ld
AR = $(CROSS_COMPILE)ar
OBJDUMP = $(CROSS_COMPILE)objdump
OBJCOPY = $(CROSS_COMPILE)objcopy
READELF = $(CROSS_COMPILE)readelf
AS ?= $(CROSS_COMPILE)gcc
CC ?= $(CROSS_COMPILE)gcc
CXX ?= $(CROSS_COMPILE)g++
LD ?= $(CROSS_COMPILE)ld
AR ?= $(CROSS_COMPILE)ar
OBJDUMP ?= $(CROSS_COMPILE)objdump
OBJCOPY ?= $(CROSS_COMPILE)objcopy
READELF ?= $(CROSS_COMPILE)readelf
### Compilation flags
INC_PATH += $(WORK_DIR)/include $(addsuffix /include/, $(addprefix $(AM_HOME)/, $(LIBS)))