diff options
Diffstat (limited to 'pc-bios/optionrom/Makefile')
| -rw-r--r-- | pc-bios/optionrom/Makefile | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/pc-bios/optionrom/Makefile b/pc-bios/optionrom/Makefile index 24e175e0eb..8aef152262 100644 --- a/pc-bios/optionrom/Makefile +++ b/pc-bios/optionrom/Makefile @@ -9,8 +9,17 @@ $(call set-vpath, $(SRC_PATH)/pc-bios/optionrom) .PHONY : all clean build-all +# Compiling with no optimization creates ROMs that are too large +ifeq ($(filter -O%, $(CFLAGS)),) +override CFLAGS += -O2 +endif +ifeq ($(filter -O%, $(CFLAGS)),-O0) +override CFLAGS += -O2 +endif + # Drop -fstack-protector and the like QEMU_CFLAGS := $(filter -W%, $(QEMU_CFLAGS)) $(CFLAGS_NOPIE) -ffreestanding +QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -fno-stack-protector) QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -m16) ifeq ($(filter -m16, $(QEMU_CFLAGS)),) # Attempt to work around compilers that lack -m16 (GCC <= 4.8, clang <= ??) @@ -24,8 +33,6 @@ QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -no-integrated-as) QEMU_CFLAGS += -m32 -include $(SRC_PATH)/pc-bios/optionrom/code16gcc.h endif -# Drop gcov and glib flags -CFLAGS := $(filter -O% -g%, $(CFLAGS)) QEMU_INCLUDES += -I$(SRC_PATH) Wa = -Wa, @@ -52,7 +59,7 @@ endif endif %.img: %.o - $(call quiet-command,$(LD) $(LDFLAGS_NOPIE) -m $(LD_EMULATION) -Ttext 0 -e _start -s -o $@ $<," Building $(TARGET_DIR)$@") + $(call quiet-command,$(LD) $(LDFLAGS_NOPIE) -m $(LD_EMULATION) -T $(SRC_PATH)/pc-bios/optionrom/flat.lds -s -o $@ $<," Building $(TARGET_DIR)$@") %.raw: %.img $(call quiet-command,$(OBJCOPY) -O binary -j .text $< $@," Building $(TARGET_DIR)$@") |