| 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 | ## Make some default assumptions | 
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| 40 | # | 
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| 41 |  | 
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| 42 | ifndef ARCH | 
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| 43 | ARCH = ia32 | 
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| 44 | endif | 
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| 45 |  | 
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| 46 | ## Common compiler flags | 
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| 47 | # | 
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| 48 |  | 
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| 49 | DEFS = -DARCH=$(ARCH) -DRELEASE=\"$(RELEASE)\" "-DNAME=\"$(NAME)\"" | 
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| 50 | CFLAGS = -fno-builtin -fomit-frame-pointer -Werror-implicit-function-declaration -Wmissing-prototypes -Werror -O3 -nostdlib -nostdinc -Igeneric/include/ | 
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| 51 | LFLAGS = -M | 
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| 52 | AFLAGS = | 
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| 53 |  | 
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| 54 | ifdef TAG | 
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| 55 | DEFS += "-DTAG=\"$(TAG)\"" | 
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| 56 | endif | 
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| 57 |  | 
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| 58 | ## Setup kernel configuration | 
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| 59 | # | 
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| 60 |  | 
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| 61 | include Makefile.config | 
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| 62 | include arch/$(ARCH)/Makefile.inc | 
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| 63 | include genarch/Makefile.inc | 
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| 64 |  | 
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| 65 | ifeq ($(CONFIG_DEBUG),y) | 
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| 66 | DEFS += -DCONFIG_DEBUG | 
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| 67 | endif | 
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| 68 | ifeq ($(CONFIG_DEBUG_SPINLOCK),y) | 
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| 69 | DEFS += -DCONFIG_DEBUG_SPINLOCK | 
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| 70 | endif | 
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| 71 | ifeq ($(CONFIG_USERSPACE),y) | 
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| 72 | DEFS += -DCONFIG_USERSPACE | 
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| 73 | endif | 
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| 74 |  | 
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| 75 | ## Toolchain configuration | 
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| 76 | # | 
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| 77 |  | 
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| 78 | ifeq ($(COMPILER),native) | 
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| 79 | CC = gcc | 
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| 80 | AS = as | 
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| 81 | LD = ld | 
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| 82 | OBJCOPY = objcopy | 
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| 83 | OBJDUMP = objdump | 
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| 84 | else | 
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| 85 | CC = $(TOOLCHAIN_DIR)/$(TARGET)-gcc | 
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| 86 | AS = $(TOOLCHAIN_DIR)/$(TARGET)-as | 
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| 87 | LD = $(TOOLCHAIN_DIR)/$(TARGET)-ld | 
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| 88 | OBJCOPY = $(TOOLCHAIN_DIR)/$(TARGET)-objcopy | 
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| 89 | OBJDUMP = $(TOOLCHAIN_DIR)/$(TARGET)-objdump | 
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| 90 | endif | 
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| 91 |  | 
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| 92 | ## Generic kernel sources | 
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| 93 | # | 
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| 94 |  | 
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| 95 | GENERIC_SOURCES = \ | 
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| 96 | generic/src/console/chardev.c \ | 
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| 97 | generic/src/console/console.c \ | 
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| 98 | generic/src/cpu/cpu.c \ | 
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| 99 | generic/src/main/main.c \ | 
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| 100 | generic/src/main/kconsole.c \ | 
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| 101 | generic/src/main/kinit.c \ | 
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| 102 | generic/src/main/uinit.c \ | 
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| 103 | generic/src/proc/scheduler.c \ | 
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| 104 | generic/src/proc/thread.c \ | 
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| 105 | generic/src/proc/task.c \ | 
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| 106 | generic/src/proc/the.c \ | 
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| 107 | generic/src/mm/buddy.c \ | 
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| 108 | generic/src/mm/heap.c \ | 
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| 109 | generic/src/mm/frame.c \ | 
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| 110 | generic/src/mm/page.c \ | 
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| 111 | generic/src/mm/tlb.c \ | 
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| 112 | generic/src/mm/vm.c \ | 
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| 113 | generic/src/lib/func.c \ | 
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| 114 | generic/src/lib/list.c \ | 
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| 115 | generic/src/lib/memstr.c \ | 
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| 116 | generic/src/lib/sort.c \ | 
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| 117 | generic/src/debug/print.c \ | 
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| 118 | generic/src/debug/symtab.c \ | 
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| 119 | generic/src/time/clock.c \ | 
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| 120 | generic/src/time/timeout.c \ | 
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| 121 | generic/src/time/delay.c \ | 
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| 122 | generic/src/preempt/preemption.c \ | 
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| 123 | generic/src/synch/spinlock.c \ | 
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| 124 | generic/src/synch/condvar.c \ | 
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| 125 | generic/src/synch/rwlock.c \ | 
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| 126 | generic/src/synch/mutex.c \ | 
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| 127 | generic/src/synch/semaphore.c \ | 
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| 128 | generic/src/synch/waitq.c \ | 
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| 129 | generic/src/smp/ipi.c \ | 
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| 130 | generic/src/fb/font-8x16.c | 
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| 131 |  | 
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| 132 | ## Test sources | 
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| 133 | # | 
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| 134 |  | 
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| 135 | ifneq ($(CONFIG_TEST),) | 
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| 136 | DEFS += -DCONFIG_TEST | 
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| 137 | GENERIC_SOURCES += test/$(CONFIG_TEST)/test.c | 
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| 138 | endif | 
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| 139 |  | 
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| 140 | GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES))) | 
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| 141 | ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES))) | 
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| 142 | GENARCH_OBJECTS := $(addsuffix .o,$(basename $(GENARCH_SOURCES))) | 
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| 143 |  | 
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| 144 | .PHONY: all clean config depend boot | 
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| 145 |  | 
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| 146 | all: kernel.bin boot disasm | 
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| 147 |  | 
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| 148 | -include Makefile.depend | 
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| 149 |  | 
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| 150 | clean: | 
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| 151 | -rm -f kernel.bin kernel.raw kernel.map kernel.map.pre kernel.objdump kernel.disasm generic/src/debug/real_map.bin Makefile.depend generic/include/arch generic/include/genarch arch/$(ARCH)/_link.ld | 
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| 152 | find generic/src/ arch/$(ARCH)/src/ genarch/src/ test/ -name '*.o' -follow -exec rm \{\} \; | 
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| 153 | $(MAKE) -C arch/$(ARCH)/boot clean | 
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| 154 |  | 
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| 155 | config: | 
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| 156 | ln -sfn ../../arch/$(ARCH)/include/ generic/include/arch | 
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| 157 | ln -sfn ../../genarch/include/ generic/include/genarch | 
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| 158 |  | 
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| 159 | depend: config | 
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| 160 | $(CC) $(DEFS) $(CFLAGS) -M $(ARCH_SOURCES) $(GENARCH_SOURCES) $(GENERIC_SOURCES) > Makefile.depend | 
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| 161 |  | 
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| 162 | arch/$(ARCH)/_link.ld: arch/$(ARCH)/_link.ld.in | 
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| 163 | $(CC) $(DEFS) $(CFLAGS) -E -x c $< | grep -v "^\#" > $@ | 
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| 164 |  | 
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| 165 | generic/src/debug/real_map.bin: depend arch/$(ARCH)/_link.ld $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) | 
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| 166 | $(OBJCOPY) -I binary -O $(BFD_NAME) -B $(BFD_ARCH) --prefix-sections=symtab Makefile generic/src/debug/empty_map.o | 
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| 167 | $(LD) -T arch/$(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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| 168 | $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > kernel.objdump | 
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| 169 | tools/genmap.py kernel.map.pre kernel.objdump generic/src/debug/real_map.bin | 
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| 170 |  | 
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| 171 | generic/src/debug/real_map.o: generic/src/debug/real_map.bin | 
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| 172 | $(OBJCOPY) -I binary -O $(BFD_NAME) -B $(BFD_ARCH) --prefix-sections=symtab $< $@ | 
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| 173 |  | 
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| 174 | kernel.raw: depend arch/$(ARCH)/_link.ld $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) generic/src/debug/real_map.o | 
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| 175 | $(LD) -T arch/$(ARCH)/_link.ld $(LFLAGS) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) generic/src/debug/real_map.o -o $@ -Map kernel.map | 
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| 176 |  | 
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| 177 | kernel.bin: kernel.raw | 
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| 178 | $(OBJCOPY) -O $(BFD) kernel.raw kernel.bin | 
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| 179 |  | 
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| 180 | boot: kernel.bin | 
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| 181 | $(MAKE) -C arch/$(ARCH)/boot build KERNEL_SIZE="`cat kernel.bin | wc -c`" CC=$(CC) AS=$(AS) LD=$(LD) | 
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| 182 |  | 
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| 183 | disasm: kernel.raw | 
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| 184 | $(OBJDUMP) -d kernel.raw > kernel.disasm | 
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| 185 |  | 
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| 186 | %.o: %.S | 
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| 187 | $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@ | 
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| 188 |  | 
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| 189 | %.o: %.s | 
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| 190 | $(AS) $(AFLAGS) $< -o $@ | 
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| 191 |  | 
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| 192 | %.o: %.c | 
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| 193 | $(CC) $(DEFS) $(CFLAGS) -c $< -o $@ | 
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