diff options
| -rw-r--r-- | pc-bios/optionrom/Makefile | 10 | ||||
| -rw-r--r-- | pc-bios/optionrom/flat.lds | 6 |
2 files changed, 15 insertions, 1 deletions
diff --git a/pc-bios/optionrom/Makefile b/pc-bios/optionrom/Makefile index 9c018ea..8aef152 100644 --- a/pc-bios/optionrom/Makefile +++ b/pc-bios/optionrom/Makefile @@ -9,6 +9,14 @@ $(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) @@ -51,7 +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 $(TARGET_DIR)$@") diff --git a/pc-bios/optionrom/flat.lds b/pc-bios/optionrom/flat.lds new file mode 100644 index 0000000..cee2eda --- /dev/null +++ b/pc-bios/optionrom/flat.lds @@ -0,0 +1,6 @@ +SECTIONS +{ + . = 0; + .text : { *(.text) *(.text.$) } +} +ENTRY(_start) |