94 lines
3.3 KiB
Makefile
94 lines
3.3 KiB
Makefile
##
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## This file is part of the coreboot project.
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; version 2 of the License.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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ramstage-y += smm_module_loader.c
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ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
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$(eval $(call create_class_compiler,smm,x86_32))
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$(eval $(call create_class_compiler,smmstub,x86_32))
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else
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$(eval $(call create_class_compiler,smm,x86_64))
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$(eval $(call create_class_compiler,smmstub,x86_64))
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endif
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smmstub-generic-ccopts += -D__SMM__
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smm-generic-ccopts += -D__SMM__
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smm-c-deps:=$$(OPTION_TABLE_H)
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$(obj)/smm/smm.o: $$(smm-objs) $(COMPILER_RT_smm)
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$(LD_smm) -nostdlib -r -o $@ $(COMPILER_RT_FLAGS_smm) --whole-archive --start-group $(smm-objs) --no-whole-archive $(COMPILER_RT_smm) --end-group
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# change to the target path because objcopy will use the path name in its
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# ELF symbol names.
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$(call src-to-obj,ramstage,$(obj)/cpu/x86/smm/smm.manual): $(obj)/smm/smm
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@printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
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cd $(dir $<); $(OBJCOPY_smm) -I binary $(notdir $<) $(target-objcopy) $(abspath $@)
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ifeq ($(CONFIG_HAVE_SMI_HANDLER),y)
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ramstage-srcs += $(obj)/cpu/x86/smm/smm.manual
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endif
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ifeq ($(CONFIG_SMM_TSEG),y)
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ramstage-y += tseg_region.c
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romstage-y += tseg_region.c
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postcar-y += tseg_region.c
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smmstub-y += smm_stub.S
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smm-y += smm_module_handler.c
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ramstage-srcs += $(obj)/cpu/x86/smm/smmstub.manual
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# SMM Stub Module. The stub is used as a trampoline for relocation and normal
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# SMM handling.
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$(obj)/smmstub/smmstub.o: $$(smmstub-objs) $(COMPILER_RT_smmstub)
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$(LD_smmstub) -nostdlib -r -o $@ $(COMPILER_RT_FLAGS_smmstub) --whole-archive --start-group $(smmstub-objs) --no-whole-archive $(COMPILER_RT_smmstub) --end-group
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# Link the SMM stub module with a 0-byte heap.
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ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
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$(eval $(call rmodule_link,$(obj)/smmstub/smmstub.elf, $(obj)/smmstub/smmstub.o, 0,x86_32))
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else
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$(eval $(call rmodule_link,$(obj)/smmstub/smmstub.elf, $(obj)/smmstub/smmstub.o, 0,x86_64))
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endif
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$(obj)/smmstub/smmstub: $(obj)/smmstub/smmstub.elf.rmod
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$(OBJCOPY_smmstub) -O binary $< $@
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$(call src-to-obj,ramstage,$(obj)/cpu/x86/smm/smmstub.manual): $(obj)/smmstub/smmstub
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@printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
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cd $(dir $<); $(OBJCOPY_smmstub) -I binary $(notdir $<) $(target-objcopy) $(abspath $@)
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# C-based SMM handler.
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ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
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$(eval $(call rmodule_link,$(obj)/smm/smm.elf, $(obj)/smm/smm.o, $(CONFIG_SMM_MODULE_HEAP_SIZE),x86_32))
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else
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$(eval $(call rmodule_link,$(obj)/smm/smm.elf, $(obj)/smm/smm.o, $(CONFIG_SMM_MODULE_HEAP_SIZE),x86_64))
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endif
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$(obj)/smm/smm: $(obj)/smm/smm.elf.rmod
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$(OBJCOPY_smm) -O binary $< $@
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else # CONFIG_SMM_TSEG
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$(obj)/smm/smm: $(obj)/smm/smm.o $(src)/cpu/x86/smm/smm.ld
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$(LD_smm) $(LDFLAGS_smm) -o $(obj)/smm/smm.elf -T $(src)/cpu/x86/smm/smm.ld $(obj)/smm/smm.o
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$(NM_smm) -n $(obj)/smm/smm.elf | sort > $(obj)/smm/smm.map
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$(OBJCOPY_smm) -O binary $(obj)/smm/smm.elf $@
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smm-y += smmhandler.S
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smm-y += smihandler.c
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endif # CONFIG_SMM_TSEG
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