source: mainline/kernel/Makefile@ 874ed210

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 874ed210 was 874ed210, checked in by Jiří Zárevúcky <zarevucky.jiri@…>, 6 years ago

Fold assembler flags into cflags, for consistent behavior

This way —fatal-warning applies to custom assembly in C files as well,
e.g. inline asm, and to some of the attributes that change emitted
assembly.
  • Property mode set to 100644
File size: 11.6 KB
Line 
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## Configuration
30#
31
32ROOT_PATH = ..
33
34VERSION_DEF = $(ROOT_PATH)/version
35
36COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
37COMMON_HEADER = $(ROOT_PATH)/common.h
38COMMON_HEADER_ARCH = arch/$(KARCH)/include/arch/common.h
39
40CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
41CONFIG_HEADER = $(ROOT_PATH)/config.h
42
43-include $(VERSION_DEF)
44-include $(COMMON_MAKEFILE)
45-include $(CONFIG_MAKEFILE)
46
47## Common names
48#
49
50AUTOCHECK = $(realpath $(ROOT_PATH)/tools/autocheck.awk)
51KERNEL = kernel.elf
52MAP = kernel.map
53JOB = kernel.job
54MAP_PREV = $(MAP).prev
55DISASM = kernel.disasm
56DUMP = kernel.dump
57REAL_MAP = generic/src/debug/real_map
58
59GENMAP = tools/genmap.py
60
61LINK = arch/$(KARCH)/_link.ld
62EMPTY_MAP = generic/src/debug/empty_map.o
63SIZEOK_MAP = generic/src/debug/sizeok_map.o
64
65ifeq ($(PRECHECK),y)
66 JOBFILE = $(ROOT_PATH)/tools/jobfile.py
67 # NOTE: You must not change the order of arguments.
68 CC_JOB = $(JOBFILE) $(JOB) $(CC) $< -o $@
69else
70 CC_JOB = $(CC) $< -o $@
71endif
72
73.PHONY: all clean autogen_clean depend
74.DELETE_ON_ERROR:
75
76all: $(VERSION_DEF) $(COMMON_MAKEFILE) $(COMMON_HEADER) $(CONFIG_MAKEFILE) $(CONFIG_HEADER) $(KERNEL) $(DISASM)
77
78clean: autogen_clean
79 rm -f $(KERNEL) $(MAP) $(JOB) $(MAP_PREV) $(DISASM) $(DUMP) $(REAL_MAP).* arch/*/_link.ld arch/*/include/arch/common.h
80 find generic/src/ arch/*/src/ genarch/src/ test/ -name '*.o' -follow -exec rm '{}' \;
81 find generic/src/ arch/*/src/ genarch/src/ test/ -name '*.d' -follow -exec rm '{}' \;
82
83## Common compiler flags
84#
85
86INCLUDES = generic/include genarch/include arch/$(KARCH)/include ../abi/arch/$(KARCH)/include ../abi/include
87INCLUDES_FLAGS = $(addprefix -I,$(INCLUDES))
88
89DEFS = -D_HELENOS_SOURCE -DKERNEL -DRELEASE=$(RELEASE) "-DCOPYRIGHT=$(COPYRIGHT)" "-DNAME=$(NAME)" -D__$(BITS)_BITS__ -D__$(ENDIANESS)__
90
91COMMON_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
92 -ffreestanding -nostdlib \
93 -fexec-charset=UTF-8 -finput-charset=UTF-8 -fno-common \
94 -fdebug-prefix-map=$(realpath $(ROOT_PATH))=. \
95 -Wa,--fatal-warnings
96
97GCC_CFLAGS = -std=gnu11 -Wall -Wextra -Wno-unused-parameter \
98 -Wmissing-prototypes -Werror-implicit-function-declaration \
99 -Wwrite-strings -pipe -Wno-cast-function-type
100
101CLANG_CFLAGS = -std=gnu11 -Wall -Wextra -Wno-unused-parameter \
102 -Wno-missing-field-initializers -Wno-unused-command-line-argument \
103 -Wmissing-prototypes -Werror-implicit-function-declaration \
104 -Wwrite-strings -pipe -fno-stack-protector -fno-PIC \
105 -mllvm -asm-macro-max-nesting-depth=1000
106
107ifeq ($(CONFIG_DEBUG),y)
108 COMMON_CFLAGS += -Werror
109endif
110
111ifeq ($(CONFIG_UBSAN_KERNEL),y)
112 COMMON_CFLAGS += -fsanitize=undefined
113endif
114
115ifeq ($(CONFIG_LTO),y)
116 COMMON_CFLAGS += -flto
117endif
118
119ifeq ($(CONFIG_LINE_DEBUG),y)
120 COMMON_CFLAGS += -g
121endif
122
123LDFLAGS += -Wl,-n -T $(LINK) -Wl,-M,--fatal-warnings,--warn-common
124
125ifeq ($(CONFIG_STRIP_BINARIES),y)
126 LDFLAGS += -s
127endif
128
129-include arch/$(KARCH)/Makefile.inc
130-include genarch/Makefile.inc
131
132## The at-sign
133#
134# The $(ATSIGN) variable holds the ASCII character representing the at-sign
135# ('@') used in various $(AS) constructs (e.g. @progbits). On architectures that
136# don't use '@' for starting a comment, $(ATSIGN) is merely '@'. However, on
137# those that do use it for starting a comment (e.g. arm32), $(ATSIGN) must be
138# defined as the percentile-sign ('%') in the architecture-dependent
139# Makefile.inc.
140#
141
142ATSIGN ?= @
143
144## Cross-platform assembly to start a symtab.data section
145#
146
147SYMTAB_SECTION = .section symtab.data, \"a\", $(ATSIGN)progbits;
148
149## Compilation options
150#
151
152ifeq ($(COMPILER),clang)
153 CFLAGS = $(COMMON_CFLAGS) $(CLANG_CFLAGS)
154else
155 CFLAGS = $(COMMON_CFLAGS) $(GCC_CFLAGS)
156endif
157
158INSTRUMENTATION = -finstrument-functions
159
160## Generic kernel sources
161#
162
163GENERIC_SOURCES = \
164 generic/src/adt/bitmap.c \
165 generic/src/adt/hash_table.c \
166 generic/src/adt/list.c \
167 generic/src/adt/odict.c \
168 generic/src/console/chardev.c \
169 generic/src/console/console.c \
170 generic/src/console/prompt.c \
171 generic/src/cpu/cpu.c \
172 generic/src/cpu/cpu_mask.c \
173 generic/src/ddi/ddi.c \
174 generic/src/ddi/irq.c \
175 generic/src/debug/symtab.c \
176 generic/src/debug/stacktrace.c \
177 generic/src/debug/panic.c \
178 generic/src/debug/debug.c \
179 generic/src/interrupt/interrupt.c \
180 generic/src/log/log.c \
181 generic/src/main/main.c \
182 generic/src/main/kinit.c \
183 generic/src/main/uinit.c \
184 generic/src/main/version.c \
185 generic/src/main/shutdown.c \
186 generic/src/proc/current.c \
187 generic/src/proc/program.c \
188 generic/src/proc/scheduler.c \
189 generic/src/proc/thread.c \
190 generic/src/proc/task.c \
191 generic/src/syscall/syscall.c \
192 generic/src/syscall/copy.c \
193 generic/src/mm/km.c \
194 generic/src/mm/reserve.c \
195 generic/src/mm/frame.c \
196 generic/src/mm/page.c \
197 generic/src/mm/tlb.c \
198 generic/src/mm/as.c \
199 generic/src/mm/malloc.c \
200 generic/src/mm/backend_anon.c \
201 generic/src/mm/backend_elf.c \
202 generic/src/mm/backend_phys.c \
203 generic/src/mm/backend_user.c \
204 generic/src/mm/slab.c \
205 generic/src/lib/halt.c \
206 generic/src/lib/mem.c \
207 generic/src/lib/memfnc.c \
208 generic/src/lib/gsort.c \
209 generic/src/lib/str.c \
210 generic/src/lib/strtol.c \
211 generic/src/lib/str_error.c \
212 generic/src/lib/elf.c \
213 generic/src/lib/ra.c \
214 generic/src/lib/rd.c \
215 generic/src/lib/ubsan.c \
216 generic/src/printf/printf_core.c \
217 generic/src/printf/printf.c \
218 generic/src/printf/snprintf.c \
219 generic/src/printf/vprintf.c \
220 generic/src/printf/vsnprintf.c \
221 generic/src/time/clock.c \
222 generic/src/time/timeout.c \
223 generic/src/time/delay.c \
224 generic/src/preempt/preemption.c \
225 generic/src/synch/spinlock.c \
226 generic/src/synch/condvar.c \
227 generic/src/synch/mutex.c \
228 generic/src/synch/semaphore.c \
229 generic/src/synch/smc.c \
230 generic/src/synch/waitq.c \
231 generic/src/synch/syswaitq.c \
232 generic/src/smp/ipi.c \
233 generic/src/smp/smp.c \
234 generic/src/ipc/ipc.c \
235 generic/src/ipc/sysipc.c \
236 generic/src/ipc/sysipc_ops.c \
237 generic/src/ipc/ops/conctmeto.c \
238 generic/src/ipc/ops/concttome.c \
239 generic/src/ipc/ops/dataread.c \
240 generic/src/ipc/ops/datawrite.c \
241 generic/src/ipc/ops/debug.c \
242 generic/src/ipc/ops/pagein.c \
243 generic/src/ipc/ops/sharein.c \
244 generic/src/ipc/ops/shareout.c \
245 generic/src/ipc/ops/stchngath.c \
246 generic/src/ipc/ipcrsc.c \
247 generic/src/ipc/irq.c \
248 generic/src/ipc/event.c \
249 generic/src/cap/cap.c \
250 generic/src/security/perm.c \
251 generic/src/sysinfo/sysinfo.c \
252 generic/src/sysinfo/stats.c
253
254## Kernel console support
255#
256
257ifeq ($(CONFIG_KCONSOLE),y)
258GENERIC_SOURCES += \
259 generic/src/console/kconsole.c \
260 generic/src/console/cmd.c
261endif
262
263## Udebug interface sources
264#
265
266ifeq ($(CONFIG_UDEBUG),y)
267GENERIC_SOURCES += \
268 generic/src/ipc/kbox.c \
269 generic/src/udebug/udebug.c \
270 generic/src/udebug/udebug_ops.c \
271 generic/src/udebug/udebug_ipc.c
272endif
273
274## Test sources
275#
276
277ifeq ($(CONFIG_TEST),y)
278 CFLAGS += -Itest/
279 GENERIC_SOURCES += \
280 test/test.c \
281 test/atomic/atomic1.c \
282 test/fault/fault1.c \
283 test/mm/falloc1.c \
284 test/mm/falloc2.c \
285 test/mm/mapping1.c \
286 test/mm/slab1.c \
287 test/mm/slab2.c \
288 test/synch/semaphore1.c \
289 test/synch/semaphore2.c \
290 test/print/print1.c \
291 test/print/print2.c \
292 test/print/print3.c \
293 test/print/print4.c \
294 test/print/print5.c \
295 test/thread/thread1.c
296
297 ifeq ($(KARCH),mips32)
298 GENERIC_SOURCES += test/debug/mips1.c
299 else
300 GENERIC_SOURCES += test/debug/mips1_skip.c
301 endif
302
303 ifeq ($(KARCH),ia64)
304 GENERIC_SOURCES += test/mm/purge1.c
305 else
306 GENERIC_SOURCES += test/mm/purge1_skip.c
307 endif
308
309endif
310
311## Sources where instrumentation is enabled
312#
313
314ifeq ($(CONFIG_TRACE),y)
315 INSTRUMENTED_SOURCES = \
316 generic/src/cpu/cpu.c \
317 generic/src/ddi/ddi.c \
318 generic/src/interrupt/interrupt.c \
319 generic/src/main/main.c \
320 generic/src/main/kinit.c \
321 generic/src/proc/the.c \
322 generic/src/mm/frame.c \
323 generic/src/mm/page.c \
324 generic/src/mm/tlb.c \
325 generic/src/mm/as.c \
326 generic/src/mm/slab.c \
327 generic/src/sysinfo/sysinfo.c \
328 generic/src/console/kconsole.c
329else
330 INSTRUMENTED_SOURCES =
331endif
332
333ARCH_SOURCES += $(ARCH_AUTOCHECK_HEADERS:%.h=%.check.c)
334GENARCH_SOURCES += $(GENARCH_AUTOCHECK_HEADERS:%.h=%.check.c)
335
336GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))
337ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))
338GENARCH_OBJECTS := $(addsuffix .o,$(basename $(GENARCH_SOURCES)))
339
340GENERIC_DEPENDS := $(addsuffix .d,$(basename $(GENERIC_SOURCES)))
341ARCH_DEPENDS := $(addsuffix .d,$(basename $(ARCH_SOURCES)))
342GENARCH_DEPENDS := $(addsuffix .d,$(basename $(GENARCH_SOURCES)))
343
344-include $(GENERIC_DEPENDS)
345-include $(ARCH_DEPENDS)
346-include $(GENARCH_DEPENDS)
347
348ifeq ($(CONFIG_SYMTAB),y)
349 SYMTAB_OBJECTS := generic/src/debug/real_map.o
350else
351 SYMTAB_OBJECTS :=
352endif
353
354$(DISASM): $(KERNEL)
355ifeq ($(CONFIG_LINE_DEBUG),y)
356 $(OBJDUMP) -d -S $< > $@
357else
358 $(OBJDUMP) -d $< > $@
359endif
360
361$(KERNEL): $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(SYMTAB_OBJECTS)
362 $(CC) $(DEFS) $(CFLAGS) $(LDFLAGS) -Wl,-Map,$(MAP) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SYMTAB_OBJECTS)
363
364$(LINK): $(LINK).in
365 $(CC) $(DEFS) $(CFLAGS) -D__ASSEMBLER__ -D__LINKER__ -E -x c $< | grep -v "^\#" > $@
366
367%.check.c: %.h $(AUTOCHECK)
368 cd $(<D) && $(AUTOCHECK) $(<F) > $(@F)
369
370%.o: %.S
371 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS)
372
373%.o: %.s
374 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS)
375
376%.o: %.c
377 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_FLAGS) $(FPU_NO_CFLAGS) $(if $(findstring $<,$(INSTRUMENTED_SOURCES)),$(INSTRUMENTATION))
378
379$(REAL_MAP).o: $(REAL_MAP).bin
380 echo "$(AS_PROLOG)""$(SYMTAB_SECTION)"" .incbin \"$<\"" | $(CC) $(CFLAGS) -x assembler -c -o $@ -
381
382$(REAL_MAP).bin: $(LINK) $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS)
383 echo "$(AS_PROLOG)""$(SYMTAB_SECTION)" | $(CC) $(CFLAGS) -x assembler -c -o $(EMPTY_MAP) -
384 $(CC) $(DEFS) $(CFLAGS) $(LDFLAGS) -Wl,-Map,$(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(EMPTY_MAP)
385 $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)
386 $(GENMAP) $(MAP_PREV) $(DUMP) $@
387
388 # Do it once again, this time to get correct even the symbols
389 # on architectures that have bss after symtab
390
391 echo "$(AS_PROLOG)""$(SYMTAB_SECTION)"" .incbin \"$@\"" | $(CC) $(CFLAGS) -x assembler -c -o $(SIZEOK_MAP) -
392 $(CC) $(DEFS) $(CFLAGS) $(LDFLAGS) -Wl,-Map,$(MAP_PREV) -o $@ $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) $(EXTRA_OBJECTS) $(SIZEOK_MAP)
393 $(OBJDUMP) -t $(ARCH_OBJECTS) $(GENARCH_OBJECTS) $(GENERIC_OBJECTS) > $(DUMP)
394 $(GENMAP) $(MAP_PREV) $(DUMP) $@
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