#
# This file may be distributed under the terms of the GNU GPLv3 license.
-# Don't compile ACPI DSDT by default
-# Uncomment the below line in case you want to compile DSDT yourself.
-# Note: "iasl" package is required to compile.
-#BUILD_ACPI = 1
-BUILD_ACPI = 0
-
# Output directory
OUT=out/
# Source files
-SRC16=floppy.c disk.c system.c clock.c serial.c kbd.c mouse.c output.c \
- boot.c ata.c cdrom.c apm.c
-SRC32=post.c output.c smbios.c acpi.c smm.c smp.c pci.c
+SRCBOTH=output.c util.c floppy.c ata.c system.c mouse.c kbd.c pci.c boot.c \
+ serial.c clock.c
+SRC16=$(SRCBOTH) disk.c cdrom.c apm.c pcibios.c
+SRC32=$(SRCBOTH) post.c shadow.c rombios32.c post_menu.c memmap.c coreboot.c \
+ acpi.c pirtable.c
TABLESRC=font.c cbt.c floppy_dbt.c
cc-option = $(shell if test -z "`$(1) $(2) -S -o /dev/null -xc \
/dev/null 2>&1`"; then echo "$(2)"; else echo "$(3)"; fi ;)
# Default compiler flags
-COMMONCFLAGS = -Wall -Os -MD -m32 -march=i386 -mregparm=2 \
- -ffreestanding -fwhole-program
+COMMONCFLAGS = -Wall -Os -MD -m32 -march=i386 -mregparm=3 \
+ -mpreferred-stack-boundary=2 -mrtd \
+ -ffreestanding -fwhole-program -fomit-frame-pointer \
+ -fno-delete-null-pointer-checks
COMMONCFLAGS += $(call cc-option,$(CC),-nopie,)
COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,)
COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,)
CFLAGS = $(COMMONCFLAGS) -g
-CFLAGS16INC = $(COMMONCFLAGS) -DMODE16 -fno-jump-tables
+CFLAGS16INC = $(COMMONCFLAGS) -DMODE16 -fno-jump-tables -fno-defer-pop \
+ $(call cc-option,$(CC),--param large-stack-frame=8,)
CFLAGS16 = $(CFLAGS16INC) -g
TABLETMP=$(addprefix $(OUT), $(patsubst %.c,%.16.s,$(TABLESRC)))
-
-all: $(OUT) $(OUT)rom.bin $(TABLETMP)
+all: $(OUT) $(OUT)bios.bin $(TABLETMP)
# Run with "make V=1" to see the actual compile commands
ifdef V
$(OUT)blob.16.s: ; $(call whole-compile, $(CFLAGS16) -S, $(addprefix src/, $(SRC16)),$@)
TABLEASM=$(addprefix $(OUT), $(patsubst %.c,%.proc.16.s,$(TABLESRC)))
-$(OUT)romlayout16.o: romlayout.S $(OUT)blob.proc.16.s $(TABLEASM)
+$(OUT)romlayout16.o: romlayout.S $(OUT)blob.16.s $(TABLEASM)
@echo " Generating 16bit layout of $@"
$(Q)$(CC) $(CFLAGS16) -c $< -o $@
-$(OUT)rom16.o: $(OUT)romlayout16.o
+$(OUT)rom16.o: $(OUT)romlayout16.o $(OUT)rombios16.lds
@echo " Linking $@"
- $(Q)ld -melf_i386 -e post16 -Ttext 0 $< -o $@
-
-$(OUT)rom16.bin: $(OUT)rom16.o
- @echo " Extracting binary $@"
- $(Q)objcopy -O binary $< $@
-
-$(OUT)romlayout32.o: $(OUT)acpi-dsdt.hex $(OUT)rom16.offset.auto.h ; $(call whole-compile, $(CFLAGS), $(addprefix src/, $(SRC32)),$@)
+ $(Q)ld -T $(OUT)rombios16.lds $< -o $@
-ifeq ($(BUILD_ACPI), 1)
-$(OUT)acpi-dsdt.hex: src/acpi-dsdt.dsl
- iasl -tc -p $@ $<
-else
-$(OUT)acpi-dsdt.hex: src/acpi-dsdt.hex
- cp src/acpi-dsdt.hex $(OUT)
-endif
+$(OUT)romlayout32.o: $(OUT)rom16.offset.auto.h ; $(call whole-compile, $(CFLAGS), $(addprefix src/, $(SRC32)),$@)
$(OUT)rom32.o: $(OUT)romlayout32.o $(OUT)rombios32.lds
@echo " Linking $@"
$(Q)ld -T $(OUT)rombios32.lds $< -o $@
-$(OUT)rom.bin: $(OUT)rom16.bin $(OUT)rom32.bin $(OUT)rom16.offset.auto.h $(OUT)rom32.offset.auto.h
+$(OUT)bios.bin: $(OUT)rom16.bin $(OUT)rom32.bin $(OUT)rom16.offset.auto.h $(OUT)rom32.offset.auto.h
@echo " Building $@"
$(Q)./tools/buildrom.py
####### Generic rules
-.PHONY : clean
clean:
rm -rf $(OUT)