Makefile.inc: Use -Og when compiling with GDB support
From GCC's documentation: Optimize debugging experience. -Og enables optimizations that do not interfere with debugging. It should be the optimization level of choice for the standard edit-compile-debug cycle, offering a reasonable level of optimization while maintaining fast compilation and a good debugging experience. Change-Id: I9a3dadbf8e894cb28e29d7b2f4e9add252e7bbb3 Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Signed-off-by: Scott Duplichan <scott@notabs.org> Reviewed-on: http://review.coreboot.org/8689 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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@ -259,7 +259,7 @@ CFLAGS_common += -Werror
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endif
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CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
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ifneq ($(GDB_DEBUG),)
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CFLAGS_common += -O0
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CFLAGS_common += -Og
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else
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CFLAGS_common += -Os
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endif
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@ -19,9 +19,13 @@
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ramstage-$(CONFIG_BACKUP_DEFAULT_SMM_REGION) += backup_default_smm.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 $(call create_class_compiler,smmstub,x86_64))
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endif
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$(obj)/cpu/x86/smm/smm.o: $$(smm-objs) $(COMPILER_RT_smm)
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$(LD_smm) -nostdlib -r -o $@ $(COMPILER_RT_FLAGS_smm) --start-group $(smm-objs) $(COMPILER_RT_smm) --end-group
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@ -35,7 +39,11 @@ $(obj)/cpu/x86/smm/smm_wrap: $(obj)/cpu/x86/smm/smm.o $(src)/cpu/x86/smm/$(SMM_L
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# ELF symbol names.
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$(obj)/cpu/x86/smm/smm_wrap.ramstage.o: $(obj)/cpu/x86/smm/smm_wrap
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@printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
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ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
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cd $(obj)/cpu/x86/smm; $(OBJCOPY_smm) -I binary smm -O elf32-i386 -B i386 smm_wrap.ramstage.o
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else
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cd $(obj)/cpu/x86/smm; $(OBJCOPY_smm) -I binary smm -O elf64-x86_64 -B x86_64 smm_wrap.ramstage.o
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endif
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ifeq ($(CONFIG_SMM_MODULES),y)
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@ -66,14 +74,22 @@ $(obj)/cpu/x86/smm/smmstub.ramstage.o: $(obj)/cpu/x86/smm/smmstub
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# C-based SMM handler.
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ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
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$(eval $(call rmodule_link,$(obj)/cpu/x86/smm/smm.elf, $(obj)/cpu/x86/smm/smm.o, $(CONFIG_SMM_MODULE_HEAP_SIZE),x86_32))
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else
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$(eval $(call rmodule_link,$(obj)/cpu/x86/smm/smm.elf, $(obj)/cpu/x86/smm/smm.o, $(CONFIG_SMM_MODULE_HEAP_SIZE),x86_64))
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endif
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$(obj)/cpu/x86/smm/smm: $(obj)/cpu/x86/smm/smm.elf.rmod
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$(OBJCOPY_smm) -O binary $< $@
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$(obj)/cpu/x86/smm/smm.ramstage.o: $(obj)/cpu/x86/smm/smm
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@printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
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ifeq ($(CONFIG_ARCH_RAMSTAGE_X86_32),y)
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cd $(dir $@); $(OBJCOPY_smm) -I binary $(notdir $<) -O elf32-i386 -B i386 $(notdir $@)
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else
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cd $(dir $@); $(OBJCOPY_smm) -I binary $(notdir $<) -O elf64-x86_64 -B x86_64 $(notdir $@)
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endif
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else # CONFIG_SMM_MODULES
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