1 | #
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2 | # Copyright (C) 2005 Martin Decky
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3 | # All rights reserved.
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4 | #
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5 | # Redistribution and use in source and binary forms, with or without
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6 | # modification, are permitted provided that the following conditions
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7 | # are met:
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8 | #
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9 | # - Redistributions of source code must retain the above copyright
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10 | # notice, this list of conditions and the following disclaimer.
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11 | # - Redistributions in binary form must reproduce the above copyright
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12 | # notice, this list of conditions and the following disclaimer in the
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13 | # documentation and/or other materials provided with the distribution.
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14 | # - The name of the author may not be used to endorse or promote products
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15 | # derived from this software without specific prior written permission.
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16 | #
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17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 | #
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28 |
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29 | ## Kernel release
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30 | #
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31 |
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32 | VERSION = 0
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33 | PATCHLEVEL = 1
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34 | SUBLEVEL = 0
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35 | EXTRAVERSION =
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36 | NAME = Dawn
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37 | RELEASE = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
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38 |
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39 | ## Include configuration
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40 | #
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41 |
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42 | -include Makefile.config
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43 |
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44 | ## Common compiler flags
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45 | #
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46 |
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47 | DEFS = -D$(ARCH) -DARCH=\"$(ARCH)\" -DRELEASE=\"$(RELEASE)\" "-DNAME=\"$(NAME)\""
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48 | CFLAGS = -fno-builtin -fomit-frame-pointer -Wall -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Igeneric/include/
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49 | LFLAGS = -M
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50 | AFLAGS =
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51 |
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52 | ifdef REVISION
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53 | DEFS += "-DREVISION=\"$(REVISION)\""
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54 | endif
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55 |
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56 | ifdef TIMESTAMP
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57 | DEFS += "-DTIMESTAMP=\"$(TIMESTAMP)\""
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58 | endif
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59 |
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60 | ## Setup kernel configuration
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61 | #
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62 |
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63 | -include arch/$(ARCH)/Makefile.inc
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64 | -include genarch/Makefile.inc
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65 |
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66 | ifeq ($(CONFIG_DEBUG),y)
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67 | DEFS += -DCONFIG_DEBUG
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68 | endif
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69 | ifeq ($(CONFIG_DEBUG_SPINLOCK),y)
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70 | DEFS += -DCONFIG_DEBUG_SPINLOCK
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71 | endif
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72 | ifeq ($(CONFIG_USERSPACE),y)
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73 | DEFS += -DCONFIG_USERSPACE
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74 | endif
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75 | ifeq ($(CONFIG_FPU_LAZY),y)
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76 | DEFS += -DCONFIG_FPU_LAZY
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77 | endif
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78 |
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79 | ## Toolchain configuration
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80 | #
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81 |
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82 | ifeq ($(COMPILER),native)
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83 | CC = gcc
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84 | AS = as
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85 | LD = ld
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86 | OBJCOPY = objcopy
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87 | OBJDUMP = objdump
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88 | else
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89 | CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc
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90 | AS = $(TOOLCHAIN_DIR)/$(TARGET)-as
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91 | LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld
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92 | OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy
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93 | OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump
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94 | endif
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95 |
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96 | ## Generic kernel sources
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97 | #
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98 |
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99 | GENERIC_SOURCES = \
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100 | generic/src/console/chardev.c \
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101 | generic/src/console/console.c \
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102 | generic/src/console/kconsole.c \
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103 | generic/src/console/cmd.c \
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104 | generic/src/cpu/cpu.c \
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105 | generic/src/interrupt/interrupt.c \
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106 | generic/src/main/main.c \
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107 | generic/src/main/kinit.c \
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108 | generic/src/main/uinit.c \
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109 | generic/src/main/version.c \
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110 | generic/src/proc/scheduler.c \
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111 | generic/src/proc/thread.c \
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112 | generic/src/proc/task.c \
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113 | generic/src/proc/the.c \
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114 | generic/src/proc/syscall.c \
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115 | generic/src/mm/buddy.c \
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116 | generic/src/mm/heap.c \
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117 | generic/src/mm/frame.c \
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118 | generic/src/mm/page.c \
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119 | generic/src/mm/tlb.c \
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120 | generic/src/mm/vm.c \
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121 | generic/src/lib/func.c \
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122 | generic/src/lib/list.c \
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123 | generic/src/lib/memstr.c \
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124 | generic/src/lib/sort.c \
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125 | generic/src/debug/print.c \
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126 | generic/src/debug/symtab.c \
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127 | generic/src/time/clock.c \
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128 | generic/src/time/timeout.c \
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129 | generic/src/time/delay.c \
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130 | generic/src/preempt/preemption.c \
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131 | generic/src/synch/spinlock.c \
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132 | generic/src/synch/condvar.c \
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133 | generic/src/synch/rwlock.c \
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134 | generic/src/synch/mutex.c \
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135 | generic/src/synch/semaphore.c \
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136 | generic/src/synch/waitq.c \
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137 | generic/src/smp/ipi.c \
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138 | generic/src/fb/font-8x16.c
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139 |
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140 | ## Test sources
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141 | #
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142 |
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143 | ifneq ($(CONFIG_TEST),)
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144 | DEFS += -DCONFIG_TEST
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145 | GENERIC_SOURCES += test/$(CONFIG_TEST)/test.c
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146 | endif
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147 |
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148 | GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))
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149 | ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))
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150 | GENARCH_OBJECTS := $(addsuffix .o,$(basename $(GENARCH_SOURCES)))
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151 |
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152 | .PHONY: all build clean config links depend boot
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153 |
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154 | all:
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155 | tools/config.py default
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156 | $(MAKE) -C . build
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157 |
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158 | build: kernel.bin boot disasm
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159 |
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160 | config:
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161 | -rm Makefile.depend
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162 | tools/config.py
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163 |
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164 | -include Makefile.depend
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165 |
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166 | distclean: clean
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167 | -rm Makefile.config
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168 |
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169 | clean:
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170 | -rm -f kernel.bin kernel.raw kernel.map kernel.map.pre kernel.objdump kernel.disasm generic/src/debug/real_map.bin Makefile.depend* generic/include/arch generic/include/genarch arch/$(ARCH)/_link.ld
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171 | find generic/src/ arch/*/src/ genarch/src/ test/ -name '*.o' -follow -exec rm \{\} \;
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172 | for arch in arch/*; do \
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173 | [ -e $$arch/_link.ld ] && rm $$arch/_link.ld 2>/dev/null;\
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174 | $(MAKE) -C $$arch/boot clean; \
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175 | done;exit 0
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176 |
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177 | archlinks:
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178 | ln -sfn ../../arch/$(ARCH)/include/ generic/include/arch
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179 | ln -sfn ../../genarch/include/ generic/include/genarch
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180 |
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181 | depend: archlinks
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182 | -makedepend $(DEFS) $(CFLAGS) -f - $(ARCH_SOURCES) $(GENARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend 2> /dev/null
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183 |
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184 | arch/$(ARCH)/_link.ld: arch/$(ARCH)/_link.ld.in
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185 | $(CC) $(DEFS) $(CFLAGS) -E -x c $< | grep -v "^\#" > $@
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186 |
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187 | generic/src/debug/real_map.bin: depend arch/$(ARCH)/_link.ld $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS)
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188 | $(OBJCOPY) -I binary -O $(BFD_NAME) -B $(BFD_ARCH) --prefix-sections=symtab Makefile generic/src/debug/empty_map.o
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189 | $(LD) -T arch/$(ARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) generic/src/debug/empty_map.o -o $@ -Map kernel.map.pre
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190 | $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > kernel.objdump
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191 | tools/genmap.py kernel.map.pre kernel.objdump generic/src/debug/real_map.bin
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192 | # Do it once again, this time to get correct even the symbols
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193 | # on architectures, that have bss after symtab
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194 | $(OBJCOPY) -I binary -O $(BFD_NAME) -B $(BFD_ARCH) --prefix-sections=symtab generic/src/debug/real_map.bin generic/src/debug/sizeok_map.o
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195 | $(LD) -T arch/$(ARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) generic/src/debug/sizeok_map.o -o $@ -Map kernel.map.pre
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196 | $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > kernel.objdump
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197 | tools/genmap.py kernel.map.pre kernel.objdump generic/src/debug/real_map.bin
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198 |
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199 | generic/src/debug/real_map.o: generic/src/debug/real_map.bin
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200 | $(OBJCOPY) -I binary -O $(BFD_NAME) -B $(BFD_ARCH) --prefix-sections=symtab $< $@
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201 |
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202 | kernel.raw: depend arch/$(ARCH)/_link.ld $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) generic/src/debug/real_map.o
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203 | $(LD) -T arch/$(ARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) generic/src/debug/real_map.o -o $@ -Map kernel.map
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204 |
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205 | kernel.bin: kernel.raw
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206 | $(OBJCOPY) -O $(BFD) kernel.raw kernel.bin
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207 |
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208 | boot: kernel.bin
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209 | if [ -d arch/$(ARCH)/boot ] ; then $(MAKE) -C arch/$(ARCH)/boot build KERNEL_SIZE="`cat kernel.bin | wc -c`" CC=$(CC) AS=$(AS) LD=$(LD) ; fi
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210 |
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211 | disasm: kernel.raw
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212 | $(OBJDUMP) -d kernel.raw > kernel.disasm
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213 |
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214 | %.o: %.S
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215 | $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@
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216 |
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217 | %.o: %.s
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218 | $(AS) $(AFLAGS) $< -o $@
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219 |
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220 | %.o: %.c
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221 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@
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