# -*- makefile -*-

COMMON_ASFLAGS	= -nostdinc -fno-builtin -m32
COMMON_CFLAGS = -fno-builtin -mrtd -mregparm=3 -m32
COMMON_LDFLAGS	= -m32 -nostdlib

# Used by various components.  These rules need to precede them.
script/lexer.c_DEPENDENCIES = grub_script.tab.h

# Images.

GRUB_KERNEL_MACHINE_LINK_ADDR	= 0x8200

pkglib_PROGRAMS += kernel.img
kernel_img_SOURCES = kern/i386/coreboot/startup.S \
	kern/i386/misc.S \
	kern/i386/coreboot/init.c \
	kern/i386/multiboot_mmap.c \
	kern/i386/halt.c \
	kern/main.c kern/device.c \
	kern/disk.c kern/dl.c kern/file.c kern/fs.c kern/err.c \
	kern/misc.c kern/mm.c kern/term.c \
	kern/rescue_parser.c kern/rescue_reader.c \
	kern/time.c kern/list.c kern/handler.c kern/command.c kern/corecmd.c \
	kern/$(target_cpu)/dl.c kern/parser.c kern/partition.c \
	kern/i386/tsc.c kern/i386/pit.c \
	kern/generic/rtc_get_time_ms.c \
	kern/generic/millisleep.c \
	kern/env.c \
	term/i386/pc/vga_text.c term/i386/vga_common.c \
	symlist.c
kernel_img_HEADERS = boot.h cache.h device.h disk.h dl.h elf.h elfload.h \
	env.h err.h file.h fs.h kernel.h loader.h misc.h mm.h net.h parser.h \
	partition.h msdos_partition.h reader.h symbol.h term.h time.h types.h \
	machine/boot.h machine/console.h machine/init.h \
	machine/memory.h machine/loader.h list.h handler.h command.h i18n.h \
	env_private.h
kernel_img_CFLAGS = $(COMMON_CFLAGS)
kernel_img_ASFLAGS = $(COMMON_ASFLAGS)
kernel_img_LDFLAGS = $(COMMON_LDFLAGS) -Wl,-N,-S,-Ttext,$(GRUB_KERNEL_MACHINE_LINK_ADDR),-Bstatic

MOSTLYCLEANFILES += symlist.c kernel_syms.lst
DEFSYMFILES += kernel_syms.lst

symlist.c: $(addprefix include/grub/,$(kernel_img_HEADERS)) config.h gensymlist.sh
	/bin/sh gensymlist.sh $(filter %.h,$^) > $@ || (rm -f $@; exit 1)

kernel_syms.lst: $(addprefix include/grub/,$(kernel_img_HEADERS)) config.h genkernsyms.sh
	/bin/sh genkernsyms.sh $(filter %.h,$^) > $@ || (rm -f $@; exit 1)

sbin_SCRIPTS += grub-install
grub_install_SOURCES = util/grub-install.in

bin_SCRIPTS += grub-mkrescue
grub_mkrescue_SOURCES = util/grub-mkrescue.in

# Modules.
pkglib_MODULES = linux.mod aout.mod halt.mod datetime.mod mmap.mod

# For mmap.mod.
mmap_mod_SOURCES = mmap/mmap.c mmap/i386/uppermem.c mmap/i386/mmap.c
mmap_mod_CFLAGS = $(COMMON_CFLAGS)
mmap_mod_LDFLAGS = $(COMMON_LDFLAGS)
mmap_mod_ASFLAGS = $(COMMON_ASFLAGS)

# For linux.mod.
linux_mod_SOURCES = loader/i386/linux.c
linux_mod_CFLAGS = $(COMMON_CFLAGS)
linux_mod_LDFLAGS = $(COMMON_LDFLAGS)

# For halt.mod.
halt_mod_SOURCES = commands/halt.c
halt_mod_CFLAGS = $(COMMON_CFLAGS)
halt_mod_LDFLAGS = $(COMMON_LDFLAGS)

# For aout.mod.
aout_mod_SOURCES = loader/aout.c
aout_mod_CFLAGS = $(COMMON_CFLAGS)
aout_mod_LDFLAGS = $(COMMON_LDFLAGS)

# For bsd.mod
pkglib_MODULES += bsd.mod
bsd_mod_SOURCES = loader/i386/bsd.c loader/i386/bsd32.c loader/i386/bsd64.c loader/i386/bsd_helper.S loader/i386/bsd_trampoline.S
bsd_mod_CFLAGS = $(COMMON_CFLAGS)
bsd_mod_LDFLAGS = $(COMMON_LDFLAGS)
bsd_mod_ASFLAGS = $(COMMON_ASFLAGS)

# For datetime.mod
datetime_mod_SOURCES = lib/cmos_datetime.c
datetime_mod_CFLAGS = $(COMMON_CFLAGS)
datetime_mod_LDFLAGS = $(COMMON_LDFLAGS)

include $(srcdir)/conf/i386.mk
include $(srcdir)/conf/common.mk