Makefile

   1 #
   2 # Copyright (C) 2005 Martin Decky
   3 # All rights reserved.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions
   7 # are met:
   8 #
   9 # - Redistributions of source code must retain the above copyright
  10 #   notice, this list of conditions and the following disclaimer.
  11 # - Redistributions in binary form must reproduce the above copyright
  12 #   notice, this list of conditions and the following disclaimer in the
  13 #   documentation and/or other materials provided with the distribution.
  14 # - The name of the author may not be used to endorse or promote products
  15 #   derived from this software without specific prior written permission.
  16 #
  17 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 #
  28
  29 ## Kernel release
  30 #
  31
  32 VERSION = 0
  33 PATCHLEVEL = 1
  34 SUBLEVEL = 0
  35 EXTRAVERSION =
  36 NAME = Dawn
  37 RELEASE = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
  38
  39 ## Include configuration
  40 #
  41
  42 -include Makefile.config
  43
  44 ## Common compiler flags
  45 #
  46
  47 DEFS = -D$(ARCH) -DARCH=\"$(ARCH)\" -DRELEASE=\"$(RELEASE)\" "-DNAME=\"$(NAME)\"" -DKERNEL
  48 CFLAGS = -fno-builtin -fomit-frame-pointer -Wall -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Igeneric/include/
  49 LFLAGS = -M
  50 AFLAGS =
  51
  52 ifdef REVISION
  53         DEFS += "-DREVISION=\"$(REVISION)\""
  54 endif
  55
  56 ifdef TIMESTAMP
  57         DEFS += "-DTIMESTAMP=\"$(TIMESTAMP)\""
  58 endif
  59
  60 ## Setup kernel configuration
  61 #
  62
  63 -include arch/$(ARCH)/Makefile.inc
  64 -include genarch/Makefile.inc
  65
  66 ifeq ($(CONFIG_DEBUG),y)
  67         DEFS += -DCONFIG_DEBUG
  68 endif
  69 ifeq ($(CONFIG_DEBUG_SPINLOCK),y)
  70         DEFS += -DCONFIG_DEBUG_SPINLOCK
  71 endif
  72 ifeq ($(CONFIG_DEBUG_AS_WATCHPOINT),y)
  73         DEFS += -DCONFIG_DEBUG_AS_WATCHPOINT
  74 endif
  75 ifeq ($(CONFIG_FPU_LAZY),y)
  76         DEFS += -DCONFIG_FPU_LAZY
  77 endif
  78 ifeq ($(CONFIG_DEBUG_ALLREGS),y)
  79         DEFS += -DCONFIG_DEBUG_ALLREGS
  80 endif
  81 ifeq ($(CONFIG_VHPT),y)
  82         DEFS += -DCONFIG_VHPT
  83 endif
  84 ifeq ($(CONFIG_FB),y)
  85         DEFS += -DCONFIG_VESA_WIDTH=$(CONFIG_VESA_WIDTH)
  86         DEFS += -DCONFIG_VESA_HEIGHT=$(CONFIG_VESA_HEIGHT)
  87         DEFS += -DCONFIG_VESA_BPP=$(CONFIG_VESA_BPP)
  88 endif
  89
  90 ## Toolchain configuration
  91 #
  92
  93 ifeq ($(COMPILER),native)
  94         CC = gcc
  95         AS = as
  96         LD = ld
  97         OBJCOPY = objcopy
  98         OBJDUMP = objdump
  99 else
 100         CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc
 101         AS = $(TOOLCHAIN_DIR)/$(TARGET)-as
 102         LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld
 103         OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy
 104         OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump
 105 endif
 106
 107 ## Generic kernel sources
 108 #
 109
 110 GENERIC_SOURCES = \
 111         generic/src/adt/bitmap.c \
 112         generic/src/adt/btree.c \
 113         generic/src/adt/hash_table.c \
 114         generic/src/adt/list.c \
 115         generic/src/console/chardev.c \
 116         generic/src/console/console.c \
 117         generic/src/console/kconsole.c \
 118         generic/src/console/cmd.c \
 119         generic/src/cpu/cpu.c \
 120         generic/src/ddi/ddi.c \
 121         generic/src/interrupt/interrupt.c \
 122         generic/src/main/main.c \
 123         generic/src/main/kinit.c \
 124         generic/src/main/uinit.c \
 125         generic/src/main/version.c \
 126         generic/src/proc/scheduler.c \
 127         generic/src/proc/thread.c \
 128         generic/src/proc/task.c \
 129         generic/src/proc/the.c \
 130         generic/src/syscall/syscall.c \
 131         generic/src/syscall/copy.c \
 132         generic/src/mm/buddy.c \
 133         generic/src/mm/frame.c \
 134         generic/src/mm/page.c \
 135         generic/src/mm/tlb.c \
 136         generic/src/mm/as.c \
 137         generic/src/mm/slab.c \
 138         generic/src/lib/func.c \
 139         generic/src/lib/memstr.c \
 140         generic/src/lib/sort.c \
 141         generic/src/lib/elf.c \
 142         generic/src/printf/printf_core.c \
 143         generic/src/printf/printf.c \
 144         generic/src/printf/sprintf.c \
 145         generic/src/printf/snprintf.c \
 146         generic/src/printf/vprintf.c \
 147         generic/src/printf/vsprintf.c \
 148         generic/src/printf/vsnprintf.c \
 149         generic/src/debug/symtab.c \
 150         generic/src/time/clock.c \
 151         generic/src/time/timeout.c \
 152         generic/src/time/delay.c \
 153         generic/src/preempt/preemption.c \
 154         generic/src/synch/spinlock.c \
 155         generic/src/synch/condvar.c \
 156         generic/src/synch/rwlock.c \
 157         generic/src/synch/mutex.c \
 158         generic/src/synch/semaphore.c \
 159         generic/src/synch/waitq.c \
 160         generic/src/synch/futex.c \
 161         generic/src/smp/ipi.c \
 162         generic/src/ipc/ipc.c \
 163         generic/src/ipc/sysipc.c \
 164         generic/src/ipc/ipcrsc.c \
 165         generic/src/ipc/irq.c \
 166         generic/src/security/cap.c
 167
 168 ## Test sources
 169 #
 170
 171 ifneq ($(CONFIG_TEST),)
 172         DEFS += -DCONFIG_TEST
 173         GENERIC_SOURCES += test/$(CONFIG_TEST)/test.c
 174 endif
 175
 176 GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))
 177 ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))
 178 GENARCH_OBJECTS := $(addsuffix .o,$(basename $(GENARCH_SOURCES)))
 179
 180 .PHONY: all build config distclean clean archlinks depend disasm
 181
 182 all:
 183         tools/config.py default $(NARCH)
 184 ifdef NARCH
 185  ifneq ($(ARCH), $(NARCH))
 186         $(MAKE) -C . clean
 187  endif
 188 endif
 189         $(MAKE) -C . build
 190
 191 build: kernel.bin disasm
 192
 193 config:
 194         -rm Makefile.depend
 195         tools/config.py
 196
 197 -include Makefile.depend
 198
 199 distclean: clean
 200         -rm Makefile.config
 201
 202 clean:
 203         -rm -f kernel.bin kernel.raw kernel.map kernel.map.pre kernel.objdump kernel.disasm generic/src/debug/real_map.bin Makefile.depend* generic/include/arch generic/include/genarch arch/$(ARCH)/_link.ld
 204         find generic/src/ arch/*/src/ genarch/src/ test/ -name '*.o' -follow -exec rm \{\} \;
 205         for arch in arch/*; do \
 206             [ -e $$arch/_link.ld ] && rm $$arch/_link.ld 2>/dev/null;\
 207         done;exit 0
 208
 209 archlinks:
 210         ln -sfn ../../arch/$(ARCH)/include/ generic/include/arch
 211         ln -sfn ../../genarch/include/ generic/include/genarch
 212
 213 depend: archlinks
 214         -makedepend $(DEFS) $(CFLAGS) -f - $(ARCH_SOURCES) $(GENARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend 2> /dev/null
 215
 216 arch/$(ARCH)/_link.ld: arch/$(ARCH)/_link.ld.in
 217         $(CC) $(DEFS) $(CFLAGS) -D__ASM__ -E -x c $< | grep -v "^\#" > $@
 218
 219 generic/src/debug/real_map.bin: depend arch/$(ARCH)/_link.ld $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS)
 220         $(OBJCOPY) -I binary -O $(BFD_NAME) -B $(BFD_ARCH) --prefix-sections=symtab Makefile generic/src/debug/empty_map.o
 221         $(LD) -T arch/$(ARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) generic/src/debug/empty_map.o -o $@ -Map kernel.map.pre
 222         $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > kernel.objdump
 223         tools/genmap.py kernel.map.pre kernel.objdump generic/src/debug/real_map.bin
 224         # Do it once again, this time to get correct even the symbols
 225         # on architectures, that have bss after symtab
 226         $(OBJCOPY) -I binary -O $(BFD_NAME) -B $(BFD_ARCH) --prefix-sections=symtab generic/src/debug/real_map.bin generic/src/debug/sizeok_map.o
 227         $(LD) -T arch/$(ARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) generic/src/debug/sizeok_map.o -o $@ -Map kernel.map.pre
 228         $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > kernel.objdump
 229         tools/genmap.py kernel.map.pre kernel.objdump generic/src/debug/real_map.bin
 230
 231 generic/src/debug/real_map.o: generic/src/debug/real_map.bin
 232         $(OBJCOPY) -I binary -O $(BFD_NAME) -B $(BFD_ARCH) --prefix-sections=symtab $< $@
 233
 234 kernel.raw: depend arch/$(ARCH)/_link.ld $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) generic/src/debug/real_map.o
 235         $(LD) -T arch/$(ARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) generic/src/debug/real_map.o -o $@ -Map kernel.map
 236
 237 kernel.bin: kernel.raw
 238         $(OBJCOPY) -O $(BFD) kernel.raw kernel.bin
 239
 240 disasm: kernel.raw
 241         $(OBJDUMP) -d kernel.raw > kernel.disasm
 242
 243 %.o: %.S
 244         $(CC) $(DEFS) $(CFLAGS) -D__ASM__ -c $< -o $@
 245
 246 %.o: %.s
 247         $(AS) $(AFLAGS) $< -o $@
 248
 249 %.o: %.c
 250         $(CC) $(DEFS) $(CFLAGS) -c $< -o $@