summaryrefslogtreecommitdiff
path: root/src/arch/x86/Makefile.inc
blob: 03dba344bf29cedbb8351f130d67267de4040b1e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
################################################################################
##
## This file is part of the coreboot project.
##
## Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
## Copyright (C) 2009-2010 coresystems GmbH
## Copyright (C) 2009 Ronald G. Minnich
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; version 2 of the License.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##

################################################################################
# i386 specific tools
NVRAMTOOL:=$(objutil)/nvramtool/nvramtool

OPTION_TABLE_H:=
ifeq ($(CONFIG_HAVE_OPTION_TABLE),y)

cbfs-files-y += cmos_layout.bin
cmos_layout.bin-file = $(obj)/cmos_layout.bin
cmos_layout.bin-type = 0x01aa

$(obj)/cmos_layout.bin: $(NVRAMTOOL) $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout
	@printf "    OPTION     $(subst $(obj)/,,$(@))\n"
	$(NVRAMTOOL) -y $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout -L $@

OPTION_TABLE_H:=$(obj)/option_table.h

$(OPTION_TABLE_H): $(NVRAMTOOL) $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout
	@printf "    OPTION     $(subst $(obj)/,,$(@))\n"
	$(NVRAMTOOL) -y $(top)/src/mainboard/$(MAINBOARDDIR)/cmos.layout -H $@
endif # CONFIG_HAVE_OPTION_TABLE

stripped_vgabios_id = $(call strip_quotes,$(CONFIG_VGA_BIOS_ID))
cbfs-files-$(CONFIG_VGA_BIOS) += pci$(stripped_vgabios_id).rom
pci$(stripped_vgabios_id).rom-file := $(call strip_quotes,$(CONFIG_VGA_BIOS_FILE))
pci$(stripped_vgabios_id).rom-type := optionrom

cbfs-files-$(CONFIG_INTEL_MBI) += mbi.bin
mbi.bin-file := $(call strip_quotes,$(CONFIG_MBI_FILE))
mbi.bin-type := mbi

ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
CBFSTOOL_PRE1_OPTS = -m x86 -s $(CONFIG_ROM_SIZE) \
		     -o $$(( $(CONFIG_ROM_SIZE) - $(CONFIG_CBFS_SIZE) ))
# Use a '-a 64' option to cbfstool locate to provide a minimum alignment
# requirement for the overall romstage. While the first object within
# romstage could have a 4 byte minimum alignment that doesn't mean the linker
# won't decide the entire section should be aligned to a larger value. In the
# future cbfstool should add XIP files proper and honor the alignment
# requirements of the program segment.
#
# Make sure that segment for .car.data is ignored while adding romstage.
CBFSTOOL_PRE_OPTS  = -a 64 --xip -S ".car.data" -P $(CONFIG_XIP_ROM_SIZE)
endif

## Calculate the base address of CBFS for later comparisons
CBFS_BASE_ADDRESS=$(call int-add, $(call int-subtract, 0xffffffff $(CONFIG_CBFS_SIZE)) 1)

###############################################################################
# bootblock
###############################################################################

ifeq ($(CONFIG_ARCH_BOOTBLOCK_X86_32)$(CONFIG_ARCH_BOOTBLOCK_X86_64),y)

# x86-specific linker flags
ifeq ($(CONFIG_ARCH_BOOTBLOCK_X86_32),y)
LDFLAGS_bootblock += -m elf_i386 --oformat elf32-i386
else
LDFLAGS_bootblock += -m elf_x86_64 --oformat elf64-x86-64
endif

# Add the assembly file that pulls in the rest of the dependencies in
# the right order. Make sure the auto generated bootblock.inc is a proper
# dependency. Make the same true for the linker sript.
bootblock-y += id.S
$(obj)/arch/x86/id.bootblock.o: $(obj)/build.h

bootblock-y += bootblock.S
bootblock-y += walkcbfs.S
$(obj)/arch/x86/bootblock.bootblock.o: $(objgenerated)/bootblock.inc

bootblock-y += bootblock.ld
$(obj)/arch/x86/bootblock.bootblock.ld: $(objgenerated)/bootblock.ld

bootblock_romccflags := -mcpu=i386 -O2 -D__PRE_RAM__ -D__BOOTBLOCK__
ifeq ($(CONFIG_SSE),y)
bootblock_romccflags := -mcpu=k7 -msse -O2 -D__PRE_RAM__ -D__BOOTBLOCK__
endif

# This is a hack in case there are no per chipset linker files.
$(objgenerated)/empty:
	touch $@

$(objgenerated)/bootblock.ld: $$(filter-out $(obj)/arch/x86/bootblock.bootblock.ld, $$(filter %.ld,$$(bootblock-objs))) $(objgenerated)/empty
	@printf "    GEN        $(subst $(obj)/,,$(@))\n"
	cat $^ >> $@.tmp
	mv $@.tmp $@

$(objgenerated)/bootblock.inc: $(src)/arch/x86/$(subst ",,$(CONFIG_BOOTBLOCK_SOURCE)) $(objutil)/romcc/romcc $(OPTION_TABLE_H) $(KCONFIG_AUTOHEADER)
	@printf "    ROMCC      $(subst $(obj)/,,$(@))\n"
	$(CC_bootblock) $(CPPFLAGS_bootblock) -MM -MT$(objgenerated)/bootblock.inc \
		$< > $(objgenerated)/bootblock.inc.d
	$(ROMCC) -c -S $(bootblock_romccflags) -I. $(CPPFLAGS_bootblock) $< -o $@

# $(obj)/arch/x86/bootblock.bootblock.ld is part of $(bootblock-objs)
$(objcbfs)/bootblock.debug: $$(bootblock-objs)
	@printf "    LINK       $(subst $(obj)/,,$(@))\n"
	$(LD_bootblock) $(LDFLAGS_bootblock) -o $@ -L$(obj) \
		$(filter-out %.ld,$(bootblock-objs)) \
		-T $(obj)/arch/x86/bootblock.bootblock.ld


endif # CONFIG_ARCH_BOOTBLOCK_X86_32 / CONFIG_ARCH_BOOTBLOCK_X86_64

###############################################################################
# common support for early assembly includes
###############################################################################

# Chipset specific assembly stubs in the romstage program flow. Certain
# boards have more than one assembly stub so collect those and put them
# into a single generated file.
crt0s = $(cpu_incs-y)

$(objgenerated)/assembly.inc: $$(crt0s)
	@printf "    GEN        $(subst $(obj)/,,$(@))\n"
	printf '$(foreach crt0,$(crt0s),#include "$(crt0)"\n)' > $@

define early_x86_stage
# $1 stage name
# $2 oformat
$(1)-y += memlayout.ld
# Add the assembly file that pulls in the rest of the dependencies in
# the right order. Make sure the auto generated assembly.inc is a proper
# dependency.
$(1)-y += assembly_entry.S
$$(obj)/arch/x86/assembly_entry.$(1).o: $(objgenerated)/assembly.inc

# The '.' include path is needed for the generated assembly.inc file.
$(1)-S-ccopts += -I.

$$(objcbfs)/$(1).debug: $$$$($(1)-libs) $$$$($(1)-objs)
	@printf "    LINK       $$(subst $$(obj)/,,$$(@))\n"
	$$(LD_$(1)) $$(LDFLAGS_$(1)) -o $$@ -L$$(obj) $$(COMPILER_RT_FLAGS_$(1)) --whole-archive --start-group $$(filter-out %.ld,$$($(1)-objs)) $$($(1)-libs) --no-whole-archive $$(COMPILER_RT_$(1)) --end-group -T $$(obj)/arch/x86/memlayout.$(1).ld --oformat $(2)
	LANG=C LC_ALL= $$(OBJCOPY_$(1)) --only-section .illegal_globals $$(@) $$(objcbfs)/$(1)_null.offenders 2>&1 | \
	grep -v "Empty loadable segment detected" && \
	$$(NM_$(1)) $$(objcbfs)/$(1)_null.offenders | grep -q ""; if [ $$$$? -eq 0 ]; then \
		echo "Forbidden global variables in "$(1)":"; \
		$$(NM_$(1)) $$(objcbfs)/$(1)_null.offenders; false; \
		else true; fi
endef

###############################################################################
# verstage
###############################################################################

ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32)$(CONFIG_ARCH_VERSTAGE_X86_64),y)

verstage-y += boot.c

verstage-$(CONFIG_ARCH_RAMSTAGE_X86_32) += cpu_common.c
verstage-y += memset.c
verstage-y += memcpy.c
verstage-y += memmove.c
verstage-y += mmap_boot.c

verstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c

verstage-libs += $(objgenerated)/libverstage.a

ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32),y)
$(eval $(call early_x86_stage,verstage,elf32-i386))
else
$(eval $(call early_x86_stage,verstage,elf64-x86-64))
endif

# Verstage on x86 expected to be xip.
CBFSTOOL_VERSTAGE_OPTS  = -a 64 --xip -S ".car.data"

endif # CONFIG_ARCH_VERSTAGE_X86_32 / CONFIG_ARCH_VERSTAGE_X86_64

###############################################################################
# romstage
###############################################################################

ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)

ifneq ($(CONFIG_ROMCC),y)

romstage-srcs += $(src)/mainboard/$(MAINBOARDDIR)/romstage.c

else # CONFIG_ROMCC == y

# This order matters. The mainboards requiring ROMCC need their mainboard
# code to follow the prior crt0s files for program flow control. The
# romstage.inc from the MAINBOARDDIR is implicitly main() for romstage
# because of the instruction sequen fall-through.
crt0s += $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
crt0s += $(src)/arch/x86/crt0_romcc_epilogue.inc

ifeq ($(CONFIG_MMX),y)
	ifeq ($(CONFIG_SSE),y)
		ROMCCFLAGS := -mcpu=p4 -O2 # MMX, SSE
	else
		ROMCCFLAGS := -mcpu=p2 -O2 # MMX, !SSE
	endif
else
	ROMCCFLAGS := -mcpu=i386 -O2 # !MMX, !SSE
endif

$(objcbfs)/romstage%.bin: $(objcbfs)/romstage%.elf
	@printf "    OBJCOPY    $(subst $(obj)/,,$(@))\n"
	$(OBJCOPY_romstage) -O binary $< $@

$(objcbfs)/romstage%.elf: $(objcbfs)/romstage%.debug
	@printf "    OBJCOPY    $(subst $(obj)/,,$(@))\n"
	cp $< $@.tmp
	$(OBJCOPY_romstage) --strip-debug $@.tmp
	$(OBJCOPY_romstage) --add-gnu-debuglink=$< $@.tmp
	mv $@.tmp $@

$(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc: $(src)/mainboard/$(MAINBOARDDIR)/romstage.c $(objutil)/romcc/romcc $(OPTION_TABLE_H) $(obj)/build.h $(obj)/config.h
	printf "    ROMCC      romstage.inc\n"
	$(ROMCC) -c -S $(ROMCCFLAGS) -D__ROMSTAGE__ -D__PRE_RAM__ -I. $(CPPFLAGS_romstage) $< -o $@

endif

romstage-libs ?=

ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32),y)
$(eval $(call early_x86_stage,romstage,elf32-i386))
else
$(eval $(call early_x86_stage,romstage,elf64-x86-64))
endif

# Compiling crt0 with -g seems to trigger https://sourceware.org/bugzilla/show_bug.cgi?id=6428
romstage-S-ccopts += -g0

endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64

###############################################################################
# ramstage
###############################################################################

ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32)$(CONFIG_ARCH_RAMSTAGE_X86_64),y)

ifeq ($(CONFIG_COMPILE_IN_DSDT),y)
ramstage-srcs += $(obj)/dsdt.aml

ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
target-objcopy=-O elf32-i386 -B i386
endif
ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_64),y)
target-objcopy=-O elf64-x86_64 -B x86_64
endif

define ramstage-objs_aml_template
$(call src-to-obj,ramstage,$(1).aml): $(1).aml
	@printf "    OBJCOPY    $$(subst $$(obj)/,,$$(@))\n"
	cd $$(dir $$@) && $$(OBJCOPY_ramstage) -I binary $$(target-objcopy) $$(notdir $$<) $$(notdir $$@)
endef
endif

ramstage-srcs += $(wildcard src/mainboard/$(MAINBOARDDIR)/mainboard.c)
ifeq ($(CONFIG_GENERATE_MP_TABLE),y)
ifneq ($(wildcard src/mainboard/$(MAINBOARDDIR)/mptable.c),)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/mptable.c
endif
endif
ifeq ($(CONFIG_GENERATE_PIRQ_TABLE),y)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/irq_tables.c
endif
ifneq ($(wildcard src/mainboard/$(MAINBOARDDIR)/reset.c),)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/reset.c
endif
ifeq ($(CONFIG_HAVE_ACPI_TABLES),y)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/acpi_tables.c
ifeq ($(CONFIG_COMPILE_IN_DSDT),y)
$(eval $(call asl_template,dsdt,n))
else
$(eval $(call asl_template,dsdt))
endif
ifneq ($(wildcard src/mainboard/$(MAINBOARDDIR)/fadt.c),)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/fadt.c
endif
endif # CONFIG_GENERATE_ACPI_TABLES
ifeq ($(CONFIG_HAVE_SMI_HANDLER),y)
ifneq ($(wildcard src/mainboard/$(MAINBOARDDIR)/smihandler.c),)
smm-srcs += src/mainboard/$(MAINBOARDDIR)/smihandler.c
endif
endif
ifneq ($(wildcard src/mainboard/$(MAINBOARDDIR)/get_bus_conf.c),)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/get_bus_conf.c
endif

ramstage-libs ?=

ifeq ($(CONFIG_RELOCATABLE_RAMSTAGE),y)

# The rmodule_link defintion creates an elf file with .rmod extension.
$(objcbfs)/ramstage.elf: $(objcbfs)/ramstage.debug.rmod
	cp $< $@

endif

ramstage-y += memlayout.ld

$(objcbfs)/ramstage.debug: $(objgenerated)/ramstage.o $(obj)/arch/x86/memlayout.ramstage.ld
	@printf "    CC         $(subst $(obj)/,,$(@))\n"
	$(LD_ramstage) $(CPPFLAGS) $(LDFLAGS_ramstage) -o $@ -L$(obj) $< -T $(obj)/arch/x86/memlayout.ramstage.ld

$(objgenerated)/ramstage.o: $$(ramstage-objs) $(COMPILER_RT_ramstage) $$(ramstage-libs)
	@printf "    CC         $(subst $(obj)/,,$(@))\n"
ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32),y)
	$(LD_ramstage) -m elf_i386 -r -o $@ $(COMPILER_RT_FLAGS_ramstage) --whole-archive --start-group $(filter-out %.ld,$(ramstage-objs)) $(ramstage-libs) --no-whole-archive $(COMPILER_RT_ramstage) --end-group
else
	$(LD_ramstage) -m elf_x86_64 -r -o $@ $(COMPILER_RT_FLAGS_ramstage) --whole-archive --start-group $(filter-out %.ld,$(ramstage-objs)) $(ramstage-libs) --no-whole-archive $(COMPILER_RT_ramstage) --end-group
endif

endif # CONFIG_ARCH_RAMSTAGE_X86_32 / CONFIG_ARCH_RAMSTAGE_X86_64


ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)

romstage-y += cbmem.c
romstage-y += boot.c

romstage-y += cbfs_and_run.c
romstage-$(CONFIG_ARCH_RAMSTAGE_X86_32) += cpu_common.c
romstage-y += memset.c
romstage-y += memcpy.c
romstage-y += memmove.c
romstage-y += mmap_boot.c

romstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c

endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64

ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32)$(CONFIG_ARCH_RAMSTAGE_X86_64),y)

ramstage-y += boot.c
ramstage-y += gdt.c
ramstage-y += tables.c
ramstage-y += cbmem.c
ramstage-$(CONFIG_GENERATE_MP_TABLE) += mpspec.c
ramstage-$(CONFIG_GENERATE_PIRQ_TABLE) += pirq_routing.c
ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpi.c
ramstage-$(CONFIG_GENERATE_SMBIOS_TABLES) += smbios.c
ramstage-$(CONFIG_HAVE_ACPI_TABLES) += acpigen.c
ramstage-$(CONFIG_HAVE_ACPI_RESUME) += wakeup.S

ramstage-y += c_start.S
ramstage-y += cpu.c
ramstage-y += cpu_common.c
ramstage-y += pci_ops_conf1.c
ramstage-$(CONFIG_MMCONF_SUPPORT) += pci_ops_mmconf.c
ramstage-y += exception.c
ramstage-$(CONFIG_IOAPIC) += ioapic.c
ramstage-y += memset.c
ramstage-y += memcpy.c
ramstage-y += memmove.c
ramstage-y += ebda.c
ramstage-y += mmap_boot.c
ramstage-$(CONFIG_COOP_MULTITASKING) += thread.c
ramstage-$(CONFIG_COOP_MULTITASKING) += thread_switch.S
ramstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c

smm-y += memset.c
smm-y += memcpy.c
smm-y += memmove.c
smm-y += mmap_boot.c

ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
rmodules_x86_32-y += memset.c
rmodules_x86_32-y += memcpy.c
rmodules_x86_32-y += memmove.c
else
rmodules_x86_64-y += memset.c
rmodules_x86_64-y += memcpy.c
rmodules_x86_64-y += memmove.c
endif

endif # CONFIG_ARCH_RAMSTAGE_X86_32 / CONFIG_ARCH_RAMSTAGE_X86_64