Kernel/Makefile

   1 # Acess2 Kernel
   2 # Root Makefile
   3 # NOTE: Does some voodoo to allow differing architecture builds to co-exist
   4 # - The built objects and dependency files are suffixed with the arch name
   5 # - The final binary is Acess2.<ARCH>.bin
   6
   7 -include ../Makefile.cfg
   8
   9 -include arch/$(ARCHDIR)/Makefile
  10
  11 -include Makefile.BuildNum
  12
  13 KERNEL_VERSION = 0.5
  14
  15 MAKEDEP         = $(CC) -M
  16
  17 CPPFLAGS        += -I./include -I./arch/$(ARCHDIR)/include
  18 CPPFLAGS    += -DARCH=$(ARCH) -DKERNEL_VERSION=$(KERNEL_VERSION) -DBUILD_NUM=$(BUILD_NUM)
  19 CFLAGS          += -Wall -Werror -O3 -fno-stack-protector -fno-builtin
  20 ASFLAGS         += -D ARCH=\"$(ARCH)\"
  21 LDFLAGS         += -T arch/$(ARCHDIR)/link.ld
  22
  23 OBJ = $(addprefix arch/$(ARCHDIR)/,$(A_OBJ))
  24 OBJ += heap.o messages.o debug.o modules.o lib.o syscalls.o system.o threads.o drvutil.o
  25 OBJ += binary.o bin/elf.o
  26 OBJ += vfs/main.o vfs/open.o vfs/acls.o vfs/dir.o vfs/io.o vfs/mount.o vfs/memfile.o vfs/nodecache.o
  27 OBJ += vfs/fs/root.o vfs/fs/devfs.o
  28 OBJ += $(addprefix vfs/fs/, $(addsuffix .o,$(FILESYSTEMS)))
  29 OBJ += drv/proc.o drv/fifo.o drv/dma.o drv/iocache.o drv/pci.o drv/kb.o drv/vga.o drv/vterm.o
  30 OBJ += $(addprefix drv/, $(addsuffix .o,$(DRIVERS)))
  31 OBJ := $(addsuffix .$(ARCH), $(OBJ))
  32 MODS += $(addprefix ../Modules/, $(addsuffix .xo.$(ARCH),$(MODULES)))
  33 BIN = ../Acess2.$(ARCH).bin
  34
  35 DEPFILES  = $(filter %.o.$(ARCH),$(OBJ))
  36 DEPFILES := $(DEPFILES:%.o.$(ARCH)=%.d.$(ARCH))
  37
  38 SRCFILES  = $(OBJ:%.o.$(ARCH)=%.c)
  39 SRCFILES := $(SRCFILES:%.ao.$(ARCH)=%.asm)
  40
  41 .PHONY: all clean apidoc
  42
  43 all: $(BIN)
  44
  45 clean:
  46         @$(RM) $(BIN) $(BIN).dsm ../Map.$(ARCH).txt LineCounts.$(ARCH).txt $(OBJ) $(DEPFILES)
  47
  48 apidoc:
  49         doxygen Doxyfile.api
  50
  51 $(BIN): $(OBJ) $(MODS) arch/$(ARCHDIR)/link.ld Makefile
  52         @echo --- LD -o $(BIN)
  53         @$(LD) $(LDFLAGS) -o $(BIN) $(OBJ) $(MODS) -Map ../Map.$(ARCH).txt
  54         @objdump $(BIN) -D > $(BIN).dsm
  55         cp $(BIN) $(DISTROOT)
  56         @wc -l $(SRCFILES) > LineCounts.$(ARCH).txt
  57         @echo BUILD_NUM = `calc $(BUILD_NUM)+1` > Makefile.BuildNum
  58
  59 %.ao.$(ARCH): %.asm Makefile
  60         @echo --- NASM -o $@
  61         @$(AS) $(ASFLAGS) $< -o $@
  62
  63 %.o.$(ARCH): %.c Makefile
  64 #       if exists %*/Makefile
  65 #       @make -C %*/ all
  66 #       else
  67         @echo --- GCC -o $@
  68         @$(CC) $(CFLAGS) $(CPPFLAGS) -o $@ -c $<
  69         @$(MAKEDEP) $(CPPFLAGS) -MT $@ -o $*.d.$(ARCH) $<
  70 #       endif
  71
  72 %.xo.$(ARCH):
  73         @make -C $* all
  74
  75 include/syscalls.h:     syscalls.lst Makefile
  76         php GenSyscalls.php
  77
  78 Makefile:       ../Makefile.cfg arch/$(ARCHDIR)/Makefile
  79
  80 # Dependency Files
  81 -include $(DEPFILES)