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# SeaBIOS build system for PA-RISC
#
# Copyright (C) 2017-2021 Helge Deller <deller@gmx.de> for PA-RISC
#
# This file may be distributed under the terms of the GNU LGPLv3 license.
# Output directory
# OUT=out-$(BITS)/ (provided by caller)
# Common command definitions
export HOSTCC := $(CC)
export CONFIG_SHELL := sh
export KCONFIG_AUTOHEADER := autoconf.h
export KCONFIG_CONFIG := $(CURDIR)/.config
export LC_ALL := C
ifneq ($(CROSS_PREFIX),)
CC=$(CROSS_PREFIX)gcc
LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
endif
AS=$(CROSS_PREFIX)as
LD=$(CROSS_PREFIX)ld
OBJCOPY=$(CROSS_PREFIX)objcopy
OBJDUMP=$(CROSS_PREFIX)objdump
STRIP=$(CROSS_PREFIX)strip
PYTHON=python
CPP=cpp
IASL:=iasl
LD32BIT_FLAG:=
# Source files
# misc.c stacks.c system.c resume.c pcibios.c hw/timer.c
SRCBOTH=output.c string.c block.c cdrom.c disk.c kbd.c \
serial.c sercon.c clock.c vgahooks.c \
hw/pci.c hw/rtc.c hw/dma.c hw/pic.c hw/serialio.c \
hw/usb.c hw/usb-uhci.c hw/usb-ohci.c hw/usb-ehci.c \
hw/usb-hid.c hw/usb-msc.c hw/usb-uas.c \
hw/blockcmd.c hw/floppy.c hw/ata.c hw/ramdisk.c \
hw/lsi-scsi.c hw/esp-scsi.c hw/megasas.c hw/mpt-scsi.c \
parisc/timer.c sha256.c sha512.c
# x86.c fw/smp.c fw/mttr.c malloc.c
SRC32FLAT=$(SRCBOTH) post.c e820map.c romfile.c optionroms.c \
pmm.c font.c boot.c bootsplash.c jpeg.c bmp.c tcgbios.c sha1.c \
hw/pcidevice.c hw/ahci.c hw/pvscsi.c hw/usb-xhci.c hw/usb-hub.c hw/sdcard.c \
fw/coreboot.c fw/lzmadecode.c fw/multiboot.c fw/biostables.c \
fw/paravirt.c fw/shadow.c fw/pciinit.c fw/smm.c fw/xen.c \
fw/acpi.c fw/mptable.c fw/pirtable.c fw/smbios.c fw/romfile_loader.c \
hw/virtio-ring.c hw/virtio-pci.c hw/virtio-blk.c hw/virtio-scsi.c \
hw/tpm_drivers.c hw/nvme.c \
version.c parisc/malloc.c parisc/parisc.c parisc/sti.c parisc/lasips2.c parisc/stirom.c
DIRS=src src/hw src/fw vgasrc src/parisc
# VGA src files
SRCVGA=vgasrc/vgainit.c vgasrc/vgabios.c vgasrc/vgafb.c vgasrc/swcursor.c \
vgasrc/vgafonts.c vgasrc/vbe.c \
vgasrc/stdvga.c vgasrc/stdvgamodes.c vgasrc/stdvgaio.c \
vgasrc/clext.c vgasrc/bochsvga.c \
vgasrc/cbvga.c
# Default compiler flags
cc-option=$(shell if test -z "`$(1) $(2) -S -o /dev/null -xc /dev/null 2>&1`" \
; then echo "$(2)"; else echo "$(3)"; fi ;)
EXTRAVERSION=
CPPFLAGS = -P -MD -MT $@
COMMONCFLAGS := -I$(OUT) -Isrc -Ivgasrc -Os -MD -g \
-Wall -Wno-strict-aliasing -Wold-style-definition -Wno-address-of-packed-member \
-Wno-stringop-overflow -Wno-array-bounds \
$(call cc-option,$(CC),-Wtype-limits,) \
-fomit-frame-pointer \
-freg-struct-return -ffreestanding -fno-delete-null-pointer-checks \
-fdata-sections -fno-common -fno-merge-constants -mdisable-fpregs \
-fno-builtin-printf -fno-ipa-sra
COMMONCFLAGS-64 =
COMMONCFLAGS-32 =
COMMONCFLAGS += $(call cc-option,$(CC),-nopie,)
COMMONCFLAGS += $(call cc-option,$(CC),-fno-pie,)
COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector,)
COMMONCFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,)
COMMONCFLAGS += $(call cc-option,$(CC),-fstack-check=no,)
COMMONCFLAGS-32 += $(call cc-option,$(CC),-mfast-indirect-calls,)
COMMONCFLAGS-64 += -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast
COMMONCFLAGS += $(COMMONCFLAGS-$(BITS))
COMMA := ,
CFLAGS32FLAT := $(COMMONCFLAGS) -DMODE16=0 -DMODESEGMENT=0
CFLAGS16 := $(CFLAGS32FLAT) -I$(OUT)
# Run with "make V=1" to see the actual compile commands
ifdef V
Q=
else
Q=@
MAKEFLAGS += --no-print-directory
endif
# Default targets
-include $(KCONFIG_CONFIG)
target-y :=
target-$(CONFIG_PARISC) += $(OUT)hppa-firmware$(BIT_SUFFIX).img
all: $(target-y)
# Make definitions
.PHONY : all clean distclean FORCE
.DELETE_ON_ERROR:
################ Common build rules
# Verify the build environment works.
TESTGCC:=$(shell OUT="$(OUT)" CC="$(CC)" LD="$(LD)" IASL="$(IASL)" scripts/test-build.sh)
ifeq "$(TESTGCC)" "-1"
$(error "Please upgrade the build environment")
endif
ifeq "$(TESTGCC)" "0"
# Use -fwhole-program
CFLAGSWHOLE=-fwhole-program -DWHOLE_PROGRAM
endif
# Do a whole file compile by textually including all C code.
define whole-compile
@echo " Compiling whole program $3"
$(Q)printf '$(foreach i,$2,#include "$i"\n)' > $3.tmp.c
$(Q)$(CC) -I. $1 $(CFLAGSWHOLE) -c $3.tmp.c -o $3
endef
%.strip.o: %.o
@echo " Stripping $@"
$(Q)$(STRIP) $< -o $@
$(OUT)%.s: %.c
@echo " Compiling to assembler $@"
$(Q)$(CC) $(CFLAGS16) -S -c $< -o $@
$(OUT)%.o: %.c $(OUT)autoconf.h
@echo " Compile checking $@"
$(Q)$(CC) $(CFLAGS32FLAT) -c $< -o $@
$(OUT)%.lds: %.lds.S
@echo " Precompiling $@"
$(Q)$(CPP) $(CPPFLAGS) -D__ASSEMBLY__ $< -o $@
$(OUT)head.o: src/parisc/head.S $(OUT)autoconf.h $(OUT)autoversion.h
@echo " Compile checking $@"
$(Q)$(CC) $(CFLAGS32FLAT) -D__ASSEMBLY__ -c $< -o $@
################ Main BIOS build rules
$(OUT)asm-offsets.s: $(OUT)autoconf.h
$(OUT)asm-offsets.h: $(OUT)src/asm-offsets.s
@echo " Generating offset file $@"
$(Q)./scripts/gen-offsets.sh $< $@
$(OUT)ccode32flat.o: $(OUT)autoversion.h $(OUT)autoconf.h $(patsubst %.c, $(OUT)src/%.o,$(SRC32FLAT)) ; $(call whole-compile, $(CFLAGS32FLAT), $(addprefix src/, $(SRC32FLAT)) $(SRCVGA),$@)
$(OUT)autoversion.h:
$(Q)$(PYTHON) ./scripts/buildversion.py -e "$(EXTRAVERSION)" -t "$(CC);$(AS);$(LD);$(OBJCOPY);$(OBJDUMP);$(STRIP)" $(OUT)autoversion.h
$(OUT)hppa-firmware$(BIT_SUFFIX).img: $(OUT)autoconf.h $(OUT)head.o $(OUT)ccode32flat.o src/version.c
@echo " Linking $@"
$(Q)$(CPP) $(CPPFLAGS) -Isrc -D__ASSEMBLY__ -DBITS=$(BITS) src/parisc/pafirmware.lds.S -o $(OUT)pafirmware.lds
$(Q)$(CC) $(CFLAGS32FLAT) -c src/version.c -o $(OUT)version.o
$(Q)$(LD) -N -T $(OUT)pafirmware.lds $(OUT)head.o $(OUT)version.o -X -o $@ -e startup --as-needed $(OUT)ccode32flat.o $(LIBGCC)
################ Kconfig rules
define do-kconfig
$(Q)mkdir -p $(OUT)/scripts/kconfig/lxdialog
$(Q)mkdir -p $(OUT)/include/config
$(Q)mkdir -p $(addprefix $(OUT), $(DIRS))
$(Q)$(MAKE) -C $(OUT) -f $(CURDIR)/scripts/kconfig/Makefile srctree=$(CURDIR) src=scripts/kconfig obj=scripts/kconfig Q=$(Q) Kconfig=$(CURDIR)/src/Kconfig $1
endef
$(OUT)autoconf.h : $(KCONFIG_CONFIG) ; $(call do-kconfig, silentoldconfig)
$(KCONFIG_CONFIG): src/Kconfig vgasrc/Kconfig ; $(call do-kconfig, olddefconfig)
%onfig: ; $(call do-kconfig, $@)
help: ; $(call do-kconfig, $@)
################ Generic rules
clean:
$(Q)rm -rf $(OUT)
distclean: clean
$(Q)rm -f .config .config.old
-include $(OUT)*.d $(patsubst %,$(OUT)%/*.d,$(DIRS))
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