| 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 | ## Configuration
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| 30 | #
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| 31 |
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| 32 | ROOT_PATH = ..
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| 33 |
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| 34 | VERSION_DEF = $(ROOT_PATH)/version
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| 35 |
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| 36 | COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
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| 37 | COMMON_HEADER = $(ROOT_PATH)/common.h
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| 38 | COMMON_HEADER_ARCH = arch/$(KARCH)/include/arch/common.h
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| 39 |
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| 40 | CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
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| 41 | CONFIG_HEADER = $(ROOT_PATH)/config.h
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| 42 |
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| 43 | -include $(VERSION_DEF)
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| 44 | -include $(COMMON_MAKEFILE)
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| 45 | -include $(CONFIG_MAKEFILE)
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| 46 |
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| 47 | ## Common names
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| 48 | #
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| 49 |
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| 50 | AUTOCHECK = $(realpath $(ROOT_PATH)/tools/autocheck.awk)
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| 51 | KERNEL = kernel.elf
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| 52 | MAP = kernel.map
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| 53 | JOB = kernel.job
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| 54 | MAP_PREV = $(MAP).prev
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| 55 | DISASM = kernel.disasm
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| 56 | DUMP = kernel.dump
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| 57 | REAL_MAP = generic/src/debug/real_map
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| 58 |
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| 59 | GENMAP = tools/genmap.py
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| 60 |
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| 61 | LINK = arch/$(KARCH)/_link.ld
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| 62 | EMPTY_MAP = generic/src/debug/empty_map.o
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| 63 | SIZEOK_MAP = generic/src/debug/sizeok_map.o
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| 64 |
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| 65 | ifeq ($(PRECHECK),y)
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| 66 | JOBFILE = $(ROOT_PATH)/tools/jobfile.py
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| 67 | # NOTE: You must not change the order of arguments.
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| 68 | CC_JOB = $(JOBFILE) $(JOB) $(CC) $< -o $@
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| 69 | else
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| 70 | CC_JOB = $(CC) $< -o $@
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| 71 | endif
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| 72 |
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| 73 | .PHONY: all clean autogen_clean depend
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| 74 | .DELETE_ON_ERROR:
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| 75 |
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| 76 | all: $(VERSION_DEF) $(COMMON_MAKEFILE) $(COMMON_HEADER) $(CONFIG_MAKEFILE) $(CONFIG_HEADER) $(KERNEL) $(DISASM)
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| 77 |
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| 78 | clean: autogen_clean
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| 79 | rm -f $(KERNEL) $(MAP) $(JOB) $(MAP_PREV) $(DISASM) $(DUMP) $(REAL_MAP).* arch/*/_link.ld arch/*/include/arch/common.h
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| 80 | find generic/src/ arch/*/src/ genarch/src/ test/ -name '*.o' -follow -exec rm '{}' \;
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| 81 | find generic/src/ arch/*/src/ genarch/src/ test/ -name '*.d' -follow -exec rm '{}' \;
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| 82 |
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| 83 | ## Common compiler flags
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| 84 | #
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| 85 |
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| 86 | INCLUDES = generic/include genarch/include arch/$(KARCH)/include ../abi/arch/$(KARCH)/include ../abi/include
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| 87 | INCLUDES_FLAGS = $(addprefix -I,$(INCLUDES))
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| 88 |
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| 89 | DEFS = -DKERNEL -DRELEASE=$(RELEASE) "-DCOPYRIGHT=$(COPYRIGHT)" "-DNAME=$(NAME)" -D__$(BITS)_BITS__ -D__$(ENDIANESS)__
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| 90 |
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| 91 | COMMON_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
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| 92 | -ffreestanding -nostdlib \
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| 93 | -fexec-charset=UTF-8 -finput-charset=UTF-8 -fno-common \
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| 94 | -fdebug-prefix-map=$(realpath $(ROOT_PATH))=.
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| 95 |
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| 96 | GCC_CFLAGS = -std=gnu11 -Wall -Wextra -Wno-unused-parameter \
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| 97 | -Wmissing-prototypes -Werror-implicit-function-declaration \
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| 98 | -Wwrite-strings -pipe -Wno-cast-function-type
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| 99 |
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| 100 | CLANG_CFLAGS = -std=gnu11 -Wall -Wextra -Wno-unused-parameter \
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| 101 | -Wno-missing-field-initializers -Wno-unused-command-line-argument \
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| 102 | -Wmissing-prototypes -Werror-implicit-function-declaration \
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| 103 | -Wwrite-strings -pipe -fno-stack-protector -fno-PIC
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| 104 |
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| 105 | ifeq ($(CONFIG_DEBUG),y)
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| 106 | COMMON_CFLAGS += -Werror
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| 107 | endif
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| 108 |
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| 109 | ifeq ($(CONFIG_UBSAN_KERNEL),y)
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| 110 | COMMON_CFLAGS += -fsanitize=undefined
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| 111 | endif
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| 112 |
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| 113 | ifeq ($(CONFIG_LTO),y)
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| 114 | COMMON_CFLAGS += -flto
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| 115 | endif
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| 116 |
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| 117 | ifeq ($(CONFIG_LINE_DEBUG),y)
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| 118 | COMMON_CFLAGS += -g
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| 119 | endif
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| 120 |
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| 121 | AFLAGS += --fatal-warnings
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| 122 | LDFLAGS += -Wl,-n -T $(LINK) -Wl,-M,--fatal-warnings,--warn-common
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| 123 |
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| 124 | ifeq ($(CONFIG_STRIP_BINARIES),y)
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| 125 | LDFLAGS += -s
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| 126 | endif
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| 127 |
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| 128 | -include arch/$(KARCH)/Makefile.inc
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| 129 | -include genarch/Makefile.inc
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| 130 |
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| 131 | ## The at-sign
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| 132 | #
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| 133 | # The $(ATSIGN) variable holds the ASCII character representing the at-sign
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| 134 | # ('@') used in various $(AS) constructs (e.g. @progbits). On architectures that
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| 135 | # don't use '@' for starting a comment, $(ATSIGN) is merely '@'. However, on
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| 136 | # those that do use it for starting a comment (e.g. arm32), $(ATSIGN) must be
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| 137 | # defined as the percentile-sign ('%') in the architecture-dependent
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| 138 | # Makefile.inc.
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| 139 | #
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| 140 |
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| 141 | ATSIGN ?= @
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| 142 |
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| 143 | ## Cross-platform assembly to start a symtab.data section
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| 144 | #
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| 145 |
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| 146 | SYMTAB_SECTION = .section symtab.data, \"a\", $(ATSIGN)progbits;
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| 147 |
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| 148 | ## Compilation options
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| 149 | #
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| 150 |
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| 151 | ifeq ($(COMPILER),clang)
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| 152 | CFLAGS = $(COMMON_CFLAGS) $(CLANG_CFLAGS)
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| 153 | else
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| 154 | CFLAGS = $(COMMON_CFLAGS) $(GCC_CFLAGS)
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| 155 | endif
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| 156 |
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| 157 | INSTRUMENTATION = -finstrument-functions
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| 158 |
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| 159 | ## Generic kernel sources
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| 160 | #
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| 161 |
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| 162 | GENERIC_SOURCES = \
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| 163 | generic/src/adt/bitmap.c \
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| 164 | generic/src/adt/hash_table.c \
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| 165 | generic/src/adt/list.c \
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| 166 | generic/src/adt/odict.c \
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| 167 | generic/src/console/chardev.c \
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| 168 | generic/src/console/console.c \
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| 169 | generic/src/console/prompt.c \
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| 170 | generic/src/cpu/cpu.c \
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| 171 | generic/src/cpu/cpu_mask.c \
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| 172 | generic/src/ddi/ddi.c \
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| 173 | generic/src/ddi/irq.c \
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| 174 | generic/src/debug/symtab.c \
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| 175 | generic/src/debug/stacktrace.c \
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| 176 | generic/src/debug/panic.c \
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| 177 | generic/src/debug/debug.c \
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| 178 | generic/src/interrupt/interrupt.c \
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| 179 | generic/src/log/log.c \
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| 180 | generic/src/main/main.c \
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| 181 | generic/src/main/kinit.c \
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| 182 | generic/src/main/uinit.c \
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| 183 | generic/src/main/version.c \
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| 184 | generic/src/main/shutdown.c \
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| 185 | generic/src/proc/current.c \
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| 186 | generic/src/proc/program.c \
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| 187 | generic/src/proc/scheduler.c \
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| 188 | generic/src/proc/thread.c \
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| 189 | generic/src/proc/task.c \
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| 190 | generic/src/syscall/syscall.c \
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| 191 | generic/src/syscall/copy.c \
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| 192 | generic/src/mm/km.c \
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| 193 | generic/src/mm/reserve.c \
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| 194 | generic/src/mm/frame.c \
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| 195 | generic/src/mm/page.c \
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| 196 | generic/src/mm/tlb.c \
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| 197 | generic/src/mm/as.c \
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| 198 | generic/src/mm/malloc.c \
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| 199 | generic/src/mm/backend_anon.c \
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| 200 | generic/src/mm/backend_elf.c \
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| 201 | generic/src/mm/backend_phys.c \
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| 202 | generic/src/mm/backend_user.c \
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| 203 | generic/src/mm/slab.c \
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| 204 | generic/src/lib/halt.c \
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| 205 | generic/src/lib/mem.c \
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| 206 | generic/src/lib/memfnc.c \
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| 207 | generic/src/lib/gsort.c \
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| 208 | generic/src/lib/str.c \
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| 209 | generic/src/lib/str_error.c \
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| 210 | generic/src/lib/elf.c \
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| 211 | generic/src/lib/ra.c \
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| 212 | generic/src/lib/rd.c \
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| 213 | generic/src/lib/ubsan.c \
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| 214 | generic/src/printf/printf_core.c \
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| 215 | generic/src/printf/printf.c \
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| 216 | generic/src/printf/snprintf.c \
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| 217 | generic/src/printf/vprintf.c \
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| 218 | generic/src/printf/vsnprintf.c \
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| 219 | generic/src/time/clock.c \
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| 220 | generic/src/time/timeout.c \
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| 221 | generic/src/time/delay.c \
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| 222 | generic/src/preempt/preemption.c \
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| 223 | generic/src/synch/spinlock.c \
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| 224 | generic/src/synch/condvar.c \
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| 225 | generic/src/synch/mutex.c \
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| 226 | generic/src/synch/semaphore.c \
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| 227 | generic/src/synch/smc.c \
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| 228 | generic/src/synch/waitq.c \
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| 229 | generic/src/synch/syswaitq.c \
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| 230 | generic/src/smp/ipi.c \
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| 231 | generic/src/smp/smp.c \
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| 232 | generic/src/ipc/ipc.c \
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| 233 | generic/src/ipc/sysipc.c \
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| 234 | generic/src/ipc/sysipc_ops.c \
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| 235 | generic/src/ipc/ops/conctmeto.c \
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| 236 | generic/src/ipc/ops/concttome.c \
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| 237 | generic/src/ipc/ops/dataread.c \
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| 238 | generic/src/ipc/ops/datawrite.c \
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| 239 | generic/src/ipc/ops/debug.c \
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| 240 | generic/src/ipc/ops/pagein.c \
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| 241 | generic/src/ipc/ops/sharein.c \
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| 242 | generic/src/ipc/ops/shareout.c \
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| 243 | generic/src/ipc/ops/stchngath.c \
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| 244 | generic/src/ipc/ipcrsc.c \
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| 245 | generic/src/ipc/irq.c \
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| 246 | generic/src/ipc/event.c \
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| 247 | generic/src/cap/cap.c \
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| 248 | generic/src/security/perm.c \
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| 249 | generic/src/sysinfo/sysinfo.c \
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| 250 | generic/src/sysinfo/stats.c
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| 251 |
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| 252 | ## Kernel console support
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| 253 | #
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| 254 |
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| 255 | ifeq ($(CONFIG_KCONSOLE),y)
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| 256 | GENERIC_SOURCES += \
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| 257 | generic/src/console/kconsole.c \
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| 258 | generic/src/console/cmd.c
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| 259 | endif
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| 260 |
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| 261 | ## Udebug interface sources
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| 262 | #
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| 263 |
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| 264 | ifeq ($(CONFIG_UDEBUG),y)
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| 265 | GENERIC_SOURCES += \
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| 266 | generic/src/ipc/kbox.c \
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| 267 | generic/src/udebug/udebug.c \
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| 268 | generic/src/udebug/udebug_ops.c \
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| 269 | generic/src/udebug/udebug_ipc.c
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| 270 | endif
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| 271 |
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| 272 | ## Test sources
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| 273 | #
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| 274 |
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| 275 | ifeq ($(CONFIG_TEST),y)
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| 276 | CFLAGS += -Itest/
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| 277 | GENERIC_SOURCES += \
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| 278 | test/test.c \
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| 279 | test/atomic/atomic1.c \
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| 280 | test/fault/fault1.c \
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| 281 | test/mm/falloc1.c \
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| 282 | test/mm/falloc2.c \
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| 283 | test/mm/mapping1.c \
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| 284 | test/mm/slab1.c \
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| 285 | test/mm/slab2.c \
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| 286 | test/synch/semaphore1.c \
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| 287 | test/synch/semaphore2.c \
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| 288 | test/print/print1.c \
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| 289 | test/print/print2.c \
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| 290 | test/print/print3.c \
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| 291 | test/print/print4.c \
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| 292 | test/print/print5.c \
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| 293 | test/thread/thread1.c
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| 294 |
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| 295 | ifeq ($(KARCH),mips32)
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| 296 | GENERIC_SOURCES += test/debug/mips1.c
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| 297 | else
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| 298 | GENERIC_SOURCES += test/debug/mips1_skip.c
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| 299 | endif
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| 300 |
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| 301 | ifeq ($(KARCH),ia64)
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| 302 | GENERIC_SOURCES += test/mm/purge1.c
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| 303 | else
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| 304 | GENERIC_SOURCES += test/mm/purge1_skip.c
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| 305 | endif
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| 306 |
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| 307 | endif
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| 308 |
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| 309 | ## Sources where instrumentation is enabled
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| 310 | #
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| 311 |
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| 312 | ifeq ($(CONFIG_TRACE),y)
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| 313 | INSTRUMENTED_SOURCES = \
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| 314 | generic/src/cpu/cpu.c \
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| 315 | generic/src/ddi/ddi.c \
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| 316 | generic/src/interrupt/interrupt.c \
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| 317 | generic/src/main/main.c \
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| 318 | generic/src/main/kinit.c \
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| 319 | generic/src/proc/the.c \
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| 320 | generic/src/mm/frame.c \
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| 321 | generic/src/mm/page.c \
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| 322 | generic/src/mm/tlb.c \
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| 323 | generic/src/mm/as.c \
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| 324 | generic/src/mm/slab.c \
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| 325 | generic/src/sysinfo/sysinfo.c \
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| 326 | generic/src/console/kconsole.c
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| 327 | else
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| 328 | INSTRUMENTED_SOURCES =
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| 329 | endif
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| 330 |
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| 331 | ARCH_SOURCES += $(ARCH_AUTOCHECK_HEADERS:%.h=%.check.c)
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| 332 | GENARCH_SOURCES += $(GENARCH_AUTOCHECK_HEADERS:%.h=%.check.c)
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| 333 |
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| 334 | GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))
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| 335 | ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))
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| 336 | GENARCH_OBJECTS := $(addsuffix .o,$(basename $(GENARCH_SOURCES)))
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| 337 |
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| 338 | GENERIC_DEPENDS := $(addsuffix .d,$(basename $(GENERIC_SOURCES)))
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| 339 | ARCH_DEPENDS := $(addsuffix .d,$(basename $(ARCH_SOURCES)))
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| 340 | GENARCH_DEPENDS := $(addsuffix .d,$(basename $(GENARCH_SOURCES)))
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| 341 |
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| 342 | AS_CFLAGS := $(addprefix -Xassembler ,$(AFLAGS))
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| 343 |
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| 344 | -include $(GENERIC_DEPENDS)
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| 345 | -include $(ARCH_DEPENDS)
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| 346 | -include $(GENARCH_DEPENDS)
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| 347 |
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| 348 | ifeq ($(COMPILER),clang)
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| 349 | AS_CFLAGS += -mllvm -asm-macro-max-nesting-depth=1000
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| 350 | endif
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| 351 |
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| 352 | ifeq ($(CONFIG_SYMTAB),y)
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| 353 | SYMTAB_OBJECTS := generic/src/debug/real_map.o
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| 354 | else
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| 355 | SYMTAB_OBJECTS :=
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| 356 | endif
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| 357 |
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| 358 | $(DISASM): $(KERNEL)
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| 359 | ifeq ($(CONFIG_LINE_DEBUG),y)
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| 360 | $(OBJDUMP) -d -S $< > $@
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| 361 | else
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| 362 | $(OBJDUMP) -d $< > $@
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| 363 | endif
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| 364 |
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| 365 | $(KERNEL): $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(SYMTAB_OBJECTS)
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| 366 | $(CC) $(DEFS) $(CFLAGS) $(LDFLAGS) -Wl,-Map,$(MAP) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SYMTAB_OBJECTS)
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| 367 |
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| 368 | $(LINK): $(LINK).in
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| 369 | $(CC) $(DEFS) $(CFLAGS) -D__ASSEMBLER__ -D__LINKER__ -E -x c $< | grep -v "^\#" > $@
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| 370 |
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| 371 | %.check.c: %.h $(AUTOCHECK)
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| 372 | cd $(<D) && $(AUTOCHECK) $(<F) > $(@F)
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| 373 |
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| 374 | %.o: %.S
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| 375 | $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(AS_CFLAGS)
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| 376 |
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| 377 | %.o: %.s
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| 378 | $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(AS_CFLAGS)
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| 379 |
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| 380 | %.o: %.c
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| 381 | $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS) $(if $(findstring $<,$(INSTRUMENTED_SOURCES)),$(INSTRUMENTATION))
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| 382 |
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| 383 | $(REAL_MAP).o: $(REAL_MAP).bin
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| 384 | echo "$(AS_PROLOG)""$(SYMTAB_SECTION)"" .incbin \"$<\"" | $(CC) $(CFLAGS) $(AS_CFLAGS) -x assembler -c -o $@ -
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| 385 |
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| 386 | $(REAL_MAP).bin: $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS)
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| 387 | echo "$(AS_PROLOG)""$(SYMTAB_SECTION)" | $(CC) $(CFLAGS) $(AS_CFLAGS) -x assembler -c -o $(EMPTY_MAP) -
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| 388 | $(CC) $(DEFS) $(CFLAGS) $(LDFLAGS) -Wl,-Map,$(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(EMPTY_MAP)
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| 389 | $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)
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| 390 | $(GENMAP) $(MAP_PREV) $(DUMP) $@
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| 391 |
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| 392 | # Do it once again, this time to get correct even the symbols
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| 393 | # on architectures that have bss after symtab
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| 394 |
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| 395 | echo "$(AS_PROLOG)""$(SYMTAB_SECTION)"" .incbin \"$@\"" | $(CC) $(CFLAGS) $(AS_CFLAGS) -x assembler -c -o $(SIZEOK_MAP) -
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| 396 | $(CC) $(DEFS) $(CFLAGS) $(LDFLAGS) -Wl,-Map,$(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SIZEOK_MAP)
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| 397 | $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)
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| 398 | $(GENMAP) $(MAP_PREV) $(DUMP) $@
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