Makefile

   1 KERNEL_NAME       := Quoppa
   2 KERNEL_MAJOR_VER  := 0
   3 KERNEL_MIDDLE_VER := 1
   4 KERNEL_MINOR_VER  := 2
   5
   6 ifndef $(BUILD_ROOT)
   7         BUILD_ROOT := $(CURDIR)
   8 endif
   9
  10 KERNELVERSION := $(KERNEL_MAJOR_VER).$(KERNEL_MIDDLE_VER).$(KERNEL_MINOR_VER)
  11 VERFILE := include/version.h
  12 OBJECTS :=
  13 CC := $(TOOLCHAIN)gcc
  14 AR := $(TOOLCHAIN)ar
  15 AS := $(TOOLCHAIN)as
  16 LD := $(TOOLCHAIN)ld
  17 OBJDUMP := $(TOOLCHAIN)objdump
  18 OBJCOPY := $(TOOLCHAIN)objcopy
  19
  20 HOSTCC := gcc
  21 HOSTLD := ld
  22
  23 -include .config
  24
  25 ifdef CONFIG_ARCH
  26 ARCH := $(shell echo $(CONFIG_ARCH) | sed 's|"||g')
  27 endif
  28
  29 ODIR := mstring_dumps
  30 SCRIPTS_DIR := $(BUILD_ROOT)/scripts
  31 ARCH_DIR := $(BUILD_ROOT)/kernel/arch/$(ARCH)
  32 ARCH_COM_DIR := $(BUILD_ROOT)/kernel/arch/common
  33
  34 GREP := grep
  35 GMAP := $(SCRIPTS_DIR)/gmap.py
  36 MKLINKS := $(SCRIPTS_DIR)/mklinks.sh
  37 LN := ln
  38 RM := rm
  39 CP := cp
  40 MKDIR := mkdir
  41 ECHO := /bin/echo
  42
  43 ifeq ($(VERBOSE),y)
  44 Q :=
  45 MAKE := make
  46 else
  47 Q := @
  48 MAKE := make -s
  49 endif
  50
  51 OPTIMIZATION ?= -g
  52 CFLAGS = -Wall -nostdlib -nostdinc -fno-builtin -fomit-frame-pointer -nodefaultlibs \
  53         $(OPTIMIZATION) $(KERN_CFLAGS)
  54
  55 LDFLAGS += -M
  56 INCLUDE += -Iinclude
  57 MENUCONFIG_COLOR ?= mono
  58
  59 export CC LD AR OBJDUMP OBJCOPY GMAP GREP CPP AS ECHO
  60 export HOSTCC HOSTLD HOSTCFLAGS HOSTLDFLAGS
  61 export GREP MAKE LN RM GMAP MKDIR CP
  62 export CFLAGS LDFLAGS INCLUDE
  63 export BUILD_ROOT ARCH ARCH_DIR ARCH_COM_DIR OBJECTS
  64 export KERNELVERSION MENUCONFIG_COLOR
  65
  66 include include/Makefile.inc
  67
  68 GENERICS = kernel server
  69 ifeq ($(CONFIG_TEST),y)
  70 GENERICS += tests
  71 endif
  72
  73 all: host vmuielf
  74
  75 -include kernel/arch/$(ARCH)/Makefile.inc
  76
  77 host:
  78         $(call echo-header,"kconfig")
  79         $(Q)$(MAKE) all -C kconfig BUILD_ROOT=$(BUILD_ROOT)
  80
  81 vmuielf: muielf
  82         $(call echo-label,"OBJCOPY",$< -> $@)
  83         $(Q)$(OBJCOPY) -O binary $< $@
  84
  85 muielf: mkbins collect_objects $(ODIR)/kernel.ld
  86         $(call echo-header,"$@")
  87         $(call echo-action,"LD",$@)
  88         $(Q)$(LD) -T $(ODIR)/kernel.ld $(LDFLAGS) -q $(OBJECTS) -o $@ -Map $(ODIR)/muielf.map
  89         $(Q)$(OBJDUMP) -t $(OBJECTS) > $(ODIR)/muielf.objdump
  90
  91 mkbins: check_config prepare $(addprefix generic_, $(GENERICS))
  92
  93 prepare: include/arch
  94         $(Q)$(MKDIR) -p $(ODIR)
  95         $(Q)$(MKLINKS) clear
  96         $(Q)$(MKLINKS) create
  97
  98 include/arch:
  99         $(Q)$(LN) -s $(BUILD_ROOT)/kernel/arch/$(ARCH)/include $(BUILD_ROOT)/include/arch
 100
 101 check_config:
 102 ifeq ($(shell [ -f $(BUILD_ROOT)/.config ] && echo "y"),)
 103         $(Q)$(MAKE) help_config
 104 endif
 105
 106 generic_%:
 107         $(call echo-header,"$(subst generic_,,$@)")
 108         $(Q)$(MAKE) -f rules.mak target=$(subst generic_,,$@)
 109
 110 clean_%:
 111         $(call echo-header,"Cleaning $(subst clean_,,$@):")
 112         $(Q)$(MAKE) -f rules.mak target=$(subst clean_,,$@) clean
 113
 114 clean:
 115         $(Q)$(RM) -rf $(ODIR)
 116         $(Q)$(RM) -f muielf vmuielf boot.img $(BUILD_ROOT)/include/arch
 117         $(Q)$(MKLINKS) clear
 118         $(Q)$(MAKE) -C. $(addprefix clean_, $(GENERICS))
 119
 120 clean_host:
 121         $(call echo-header,"Cleaning host")
 122         $(Q)$(MAKE) -C kconfig clean
 123
 124 cleanconf:
 125         $(call echo-header,"Cleaning configs")
 126         $(Q)$(RM) -rf .config include/config.h include/config/ $(VERFILE)
 127
 128 distclean: clean_host clean cleanconf
 129
 130 $(ODIR)/rmap.o: $(ODIR)/rmap.bin
 131         $(call create_rmap)
 132
 133 collect_objects:
 134         $(eval OBJECTS := $(call collect_objects))
 135
 136 image: vmuielf
 137 ifneq ($(NOBUILDIMG),y)
 138 # Creates a 20 MB bootable FAT HD image: 44 tracks, 16 heads, 63 sectors
 139         @dd if=/dev/zero of=boot.img count=44352 bs=512
 140         @echo "drive c: file=\"`pwd`/boot.img\" partition=1" > ~/.mtoolsrc
 141         @mpartition -I -s 63 -t 44 -h 16 c:
 142         @mpartition -cpv -s 63 -t 44 -h 16 c:
 143         @mformat c:
 144         @mmd c:/boot
 145         @mmd c:/boot/grub
 146         @mcopy /boot/grub/stage1 c:/boot/grub
 147         @mcopy /boot/grub/stage2 c:/boot/grub
 148         @mcopy /boot/grub/fat_stage1_5 c:/boot/grub
 149         @echo "(hd0) boot.img" > bmap
 150         @printf "geometry (hd0) 44 16 63\nroot (hd0,0)\nsetup (hd0)\n" | /usr/sbin/grub --batch --device-map=bmap
 151         @printf "default 0\ntimeout=2\ntitle=MString kernel\nkernel=/boot/grub/kernel.bin" > ./menu.lst
 152         @mcopy ./menu.lst c:/boot/grub
 153         @mcopy ./vmuielf c:/boot/grub/kernel.bin
 154         @rm -f ./menu.lst ~/.mtoolsrc bmap
 155         @echo
 156         @echo "*********************************************************************************"
 157         @echo "            Bootable HD image 'boot.img' was successfilly created."
 158         @echo "       Make sure the following lines are present in your 'bochsrc' file:"
 159         @echo " ata0-master: type=disk, path=boot.img, mode=flat, cylinders=44, heads=16, spt=63"
 160         @echo " boot: disk"
 161         @echo "*********************************************************************************"
 162 endif
 163
 164 image2: vmuielf
 165 ifneq ($(NOBUILDIMG),y)
 166 # Creates a 512 MB bootable ext2 HD image: OS default geometry
 167         ./scripts/mkimage.sh ./boot2.img ./vmuielf
 168 endif
 169
 170 $(VERFILE):
 171         $(Q)$(ECHO) "#ifndef __VERSION_H__" > $(VERFILE)
 172         $(Q)$(ECHO) "#define __VERSION_H__" >> $(VERFILE)
 173         $(Q)$(ECHO) >> $(VERFILE)
 174         $(Q)$(ECHO) "#define KERNEL_VERSION $(KERNEL_MAJOR_VER)" >> $(VERFILE)
 175         $(Q)$(ECHO) "#define KERNEL_SUBVERSION $(KERNEL_MIDDLE_VER)" >> $(VERFILE)
 176         $(Q)$(ECHO) "#define KERNEL_RELEASE $(KERNEL_MINOR_VER)" >> $(VERFILE)
 177         $(Q)$(ECHO) >> $(VERFILE)
 178         $(Q)$(ECHO) "#define KERNEL_RELEASE_NAME \"$(KERNEL_NAME)\"" >> $(VERFILE)
 179         $(Q)$(ECHO) >> $(VERFILE)
 180         $(Q)$(ECHO) "#endif /* __VERSION_H__ */" >> $(VERFILE)
 181
 182 config: host
 183         $(Q)$(MKDIR) -p $(BUILD_ROOT)/include/config
 184         $(Q)$(MAKE) -C kconfig conf BUILD_ROOT=$(BUILD_ROOT)
 185         $(Q)$(BUILD_ROOT)/kconfig/conf $(BUILD_ROOT)/kernel/arch/Kconfig
 186
 187 menuconfig: host
 188         $(Q)$(MKDIR) -p $(BUILD_ROOT)/include/config
 189         $(Q)$(MAKE) mconf -C kconfig BUILD_ROOT=$(BUILD_ROOT)
 190         $(Q)$(BUILD_ROOT)/kconfig/mconf $(BUILD_ROOT)/kernel/arch/Kconfig
 191         $(Q)$(BUILD_ROOT)/kconfig/conf -s $(BUILD_ROOT)/kernel/arch/Kconfig
 192
 193 help:
 194         $(Q)$(ECHO) "USAGE: make [action] [OPTIONS] [VARIABLES]"
 195         $(Q)$(ECHO) "   OPTIONS:"
 196         $(Q)$(ECHO) "      VERBOSE=[y/n]                  Enable/disable verbose mode (default: disabled)"
 197         $(Q)$(ECHO) "      target=<dir>                   Specify building directory"
 198         $(Q)$(ECHO) "      TOOLCHAIN=<prefix>             Specify toolchain prefix"
 199         $(Q)$(ECHO) "      OPTIMIZATION=<level>           Specify level of optimization for compiler. (default: -g)"
 200         $(Q)$(ECHO) "      MENUCONFIG_COLOR=<color_theme> Menuconfig color theme. (default: mono)"
 201         $(Q)$(ECHO) "    Customizible variables:"
 202         $(Q)$(ECHO) "      CFLAGS, LDFLAGS, INCLUDE, HOSTCC, HOSTCFLAGS, HOSTLDFLAGS, KERN_CFLAGS"
 203         $(Q)$(ECHO) "    Available actions:"
 204         $(Q)$(ECHO) "     make [config|menuconfig] - configure the kernel"
 205         $(Q)$(ECHO) "     make all - build all"
 206         $(Q)$(ECHO) "     make host - build host utilites"
 207         $(Q)$(ECHO) "     make vmuielf - build kernel image"
 208         $(Q)$(ECHO) "     make image - build runable kvm/qemu/bochs image with mString kernel"
 209         $(Q)$(ECHO) "     make clean - clean directories from object files"
 210         $(Q)$(ECHO) "     make cleanconf - remove config"
 211         $(Q)$(ECHO) "     make distclean - combines two actions above"
 212         $(Q)$(ECHO) "     make help - show this help message."
 213         $(Q)$(ECHO) "    Kernel building example:"
 214         $(Q)$(ECHO) "     1) without toolchain:"
 215         $(Q)$(ECHO) "     1.1) Run \"make config\" or \"make menuconfig\" (the second one use libncurses)"
 216         $(Q)$(ECHO) "     1.2) Run \"make\""
 217         $(Q)$(ECHO) "     2) with toolchain:"
 218         $(Q)$(ECHO) "     2.1) Same as (1.1)"
 219         $(Q)$(ECHO) "     2.2) make TOOLCHAIN=<path-to-your-toolchain>"
 220         $(Q)$(ECHO) "     Example: "
 221         $(Q)$(ECHO) "     % make TOOLCHAIN=/opt/crosstool/gcc-3.4.4-glibc-2.3.4/x86_64-unknown-linux-gnu/bin/x86_64-unknown-linux-gnu-"
 222         $(Q)$(ECHO)
 223
 224 help_config:
 225         $(Q)$(ECHO) "ERROR: Before building kernel you should configure it"
 226         $(Q)$(ECHO) "Run make config or  << make menuconfig >>."
 227         $(Q)$(ECHO) "Or run << make help >> to see all available commands and options."
 228         $(Q)$(ECHO)
 229         $(Q)exit 2
 230