| ## |
| ## This file is part of the coreboot project. |
| ## |
| ## 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. |
| ## |
| |
| ramstage-y += smm_module_loader.c |
| |
| ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y) |
| $(eval $(call create_class_compiler,smm,x86_32)) |
| $(eval $(call create_class_compiler,smmstub,x86_32)) |
| else |
| $(eval $(call create_class_compiler,smm,x86_64)) |
| $(eval $(call create_class_compiler,smmstub,x86_64)) |
| endif |
| |
| smmstub-generic-ccopts += -D__SMM__ |
| smm-generic-ccopts += -D__SMM__ |
| smm-c-deps:=$$(OPTION_TABLE_H) |
| |
| $(obj)/smm/smm.o: $$(smm-objs) $(COMPILER_RT_smm) |
| $(LD_smm) -nostdlib -r -o $@ $(COMPILER_RT_FLAGS_smm) --whole-archive --start-group $(smm-objs) --no-whole-archive $(COMPILER_RT_smm) --end-group |
| |
| # change to the target path because objcopy will use the path name in its |
| # ELF symbol names. |
| $(call src-to-obj,ramstage,$(obj)/cpu/x86/smm/smm.manual): $(obj)/smm/smm |
| @printf " OBJCOPY $(subst $(obj)/,,$(@))\n" |
| cd $(dir $<); $(OBJCOPY_smm) -I binary $(notdir $<) $(target-objcopy) $(abspath $@) |
| |
| ifeq ($(CONFIG_HAVE_SMI_HANDLER),y) |
| ramstage-srcs += $(obj)/cpu/x86/smm/smm.manual |
| endif |
| |
| ifeq ($(CONFIG_SMM_TSEG),y) |
| |
| ramstage-y += tseg_region.c |
| romstage-y += tseg_region.c |
| postcar-y += tseg_region.c |
| |
| smmstub-y += smm_stub.S |
| |
| smm-y += smm_module_handler.c |
| |
| ramstage-srcs += $(obj)/cpu/x86/smm/smmstub.manual |
| |
| # SMM Stub Module. The stub is used as a trampoline for relocation and normal |
| # SMM handling. |
| $(obj)/smmstub/smmstub.o: $$(smmstub-objs) $(COMPILER_RT_smmstub) |
| $(LD_smmstub) -nostdlib -r -o $@ $(COMPILER_RT_FLAGS_smmstub) --whole-archive --start-group $(smmstub-objs) --no-whole-archive $(COMPILER_RT_smmstub) --end-group |
| |
| # Link the SMM stub module with a 0-byte heap. |
| ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y) |
| $(eval $(call rmodule_link,$(obj)/smmstub/smmstub.elf, $(obj)/smmstub/smmstub.o, 0,x86_32)) |
| else |
| $(eval $(call rmodule_link,$(obj)/smmstub/smmstub.elf, $(obj)/smmstub/smmstub.o, 0,x86_64)) |
| endif |
| |
| $(obj)/smmstub/smmstub: $(obj)/smmstub/smmstub.elf.rmod |
| $(OBJCOPY_smmstub) -O binary $< $@ |
| |
| $(call src-to-obj,ramstage,$(obj)/cpu/x86/smm/smmstub.manual): $(obj)/smmstub/smmstub |
| @printf " OBJCOPY $(subst $(obj)/,,$(@))\n" |
| cd $(dir $<); $(OBJCOPY_smmstub) -I binary $(notdir $<) $(target-objcopy) $(abspath $@) |
| |
| # C-based SMM handler. |
| |
| ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y) |
| $(eval $(call rmodule_link,$(obj)/smm/smm.elf, $(obj)/smm/smm.o, $(CONFIG_SMM_MODULE_HEAP_SIZE),x86_32)) |
| else |
| $(eval $(call rmodule_link,$(obj)/smm/smm.elf, $(obj)/smm/smm.o, $(CONFIG_SMM_MODULE_HEAP_SIZE),x86_64)) |
| endif |
| |
| $(obj)/smm/smm: $(obj)/smm/smm.elf.rmod |
| $(OBJCOPY_smm) -O binary $< $@ |
| |
| else # CONFIG_SMM_TSEG |
| |
| $(obj)/smm/smm: $(obj)/smm/smm.o $(src)/cpu/x86/smm/smm.ld |
| $(LD_smm) $(LDFLAGS_smm) -o $(obj)/smm/smm.elf -T $(src)/cpu/x86/smm/smm.ld $(obj)/smm/smm.o |
| $(NM_smm) -n $(obj)/smm/smm.elf | sort > $(obj)/smm/smm.map |
| $(OBJCOPY_smm) -O binary $(obj)/smm/smm.elf $@ |
| |
| smm-y += smmhandler.S |
| smm-y += smihandler.c |
| |
| endif # CONFIG_SMM_TSEG |