mirror of
https://github.com/fail0verflow/switch-coreboot.git
synced 2025-05-04 01:39:18 -04:00
25ebd9110b
* make constructor an initializer. * fix memory leak/code flow error in current code * add spinlocking * drop malloc and use new_device for device allocation instead. * add CONFIG_SMP as it is needed by spinlocks and soon other stuff. Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Ronald G. Minnich <rminnich@gmail.com> git-svn-id: svn://coreboot.org/repository/LinuxBIOSv3@418 f3766cd6-281f-0410-b1cd-43a5c92072e9
193 lines
6.9 KiB
Makefile
193 lines
6.9 KiB
Makefile
##
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## This file is part of the LinuxBIOS project.
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##
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## Copyright (C) 2006-2007 coresystems GmbH
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## (Written by Stefan Reinauer <stepan@coresystems.de> for coresystems GmbH)
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; either version 2 of the License, or
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## (at your option) any later version.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, write to the Free Software
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## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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##
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ifeq ($(CONFIG_ARCH_X86),y)
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INITCFLAGS := $(CFLAGS) -I$(src)/include/arch/x86 -I$(src)/include \
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-I$(obj) \
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-fno-builtin
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SILENT := >/dev/null 2>&1
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#
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# Build the ROM Image / LAR archive
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#
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# LinuxBIOS v3 is completely modular. One module, the bootblock (stage0),
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# is mandatory. All modules are packed together in a LAR archive.
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# The LAR archive may contain any number of stages, payloads and option ROMs.
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#
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ROM_SIZE := $(shell expr $(CONFIG_LINUXBIOS_ROMSIZE_KB) \* 1024)
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$(obj)/linuxbios.rom: $(obj)/linuxbios.bootblock $(obj)/util/lar/lar lzma nrv2b $(obj)/linuxbios.initram $(obj)/linuxbios.stage2 $(obj)/option_table
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$(Q)rm -rf $(obj)/lar.tmp
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$(Q)mkdir $(obj)/lar.tmp
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$(Q)mkdir $(obj)/lar.tmp/normal
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$(Q)cp $(obj)/linuxbios.initram $(obj)/lar.tmp/normal/initram
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$(Q)cp $(obj)/linuxbios.stage2 $(obj)/lar.tmp/normal/stage2
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$(Q)cp $(obj)/option_table $(obj)/lar.tmp/normal/option_table
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ifeq ($(CONFIG_PAYLOAD_NONE),y)
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$(Q)printf " PAYLOAD none (as specified by user)\n"
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else
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$(Q)# TODO: Print sth. other than $(CONFIG_PAYLOAD_FILE) if compressed.
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$(Q)if [ -r $(CONFIG_PAYLOAD_FILE) ]; then \
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printf " PAYLOAD $(CONFIG_PAYLOAD_FILE)\n"; \
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cp $(CONFIG_PAYLOAD_FILE) $(obj)/lar.tmp/normal/payload; \
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else \
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printf "Error: payload file '$(CONFIG_PAYLOAD_FILE)' not found.\n"; \
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exit 1; \
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fi
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endif
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$(Q)printf " LAR $(subst $(shell pwd)/,,$(@))\n"
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$(Q)cd $(obj)/lar.tmp && ../util/lar/lar -c ../linuxbios.rom . \
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-s $(ROM_SIZE) -b $(obj)/linuxbios.bootblock
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$(Q)# QEMU wants bios.bin:
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$(Q)# Run "qemu -L build/ -serial stdio -hda /dev/zero".
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$(Q)printf " CP $(subst $(shell pwd)/,,$(obj)/bios.bin)\n"
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$(Q)cp $@ $(obj)/bios.bin
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$(obj)/linuxbios.bootblock: $(obj)/linuxbios.vpd $(obj)/stage0.init
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$(Q)printf " BUILD $(subst $(shell pwd)/,,$(@))\n"
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$(Q)cat $^ > $@
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#
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# LinuxBIOS stage0. This is the LinuxBIOS "boot block code".
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# It enables Cache-as-RAM and parses the LAR archive for an
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# initram module and the various stages and payload files.
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#
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STAGE0_LIB_OBJ = uart8250.o mem.o elfboot.o lar.o delay.o vtxprintf.o \
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vsprintf.o console.o
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STAGE0_ARCH_X86_OBJ = stage1.o serial.o archelfboot.o speaker.o \
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udelay_io.o mc146818rtc.o
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ifeq ($(CONFIG_CPU_I586),y)
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STAGE0_CAR_OBJ = stage0_i586.o
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else
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ifeq ($(CONFIG_CPU_AMD_GEODELX),y)
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STAGE0_CAR_OBJ = geodelx/stage0.o
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else
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STAGE0_CAR_OBJ = stage0_i586.o
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endif
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endif
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STAGE0_OBJ := $(patsubst %,$(obj)/lib/%,$(STAGE0_LIB_OBJ)) \
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$(patsubst %,$(obj)/arch/x86/%,$(STAGE0_ARCH_X86_OBJ)) \
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$(patsubst %,$(obj)/arch/x86/%,$(STAGE0_CAR_OBJ)) \
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$(STAGE0_MAINBOARD_OBJ)
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$(obj)/stage0.init: $(STAGE0_OBJ)
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$(Q)# We need to be careful. If stage0.o gets bigger than
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$(Q)# 0x4000 - 0x100, we will end up with a 4 gig file.
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$(Q)# I wonder if that behavior is on purpose.
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$(Q)# Note: we invoke gcc (instead of ld directly) here, as we hit
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$(Q)# strange problems in the past. It seems that only gcc knows how
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$(Q)# to properly invoke ld.
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$(Q)printf " CC $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(CC) -nostdlib -static -T $(src)/arch/x86/ldscript.ld \
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$(STAGE0_OBJ) -o $(obj)/stage0.o
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$(Q)printf " OBJCOPY $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(OBJCOPY) -O binary $(obj)/stage0.o $(obj)/stage0.init
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$(Q)printf " TEST $(subst $(shell pwd)/,,$(@))\n"
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$(Q)test `wc -c < $(obj)/stage0.init` -gt 16128 && \
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printf "Error. Bootblock got too big.\n" || true
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#
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# This is the rest of LinuxBIOS (v2: linuxbios_ram.rom).
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# Is this maybe platform independent, except for the "drivers"?
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# Where should it be built, maybe in device/?
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#
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# TODO: This should be compressed with the default compressor.
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#
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STAGE2_LIB_OBJ = stage2.o clog2.o mem.o tables.o delay.o compute_ip_checksum.o
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STAGE2_ARCH_X86_OBJ = archtables.o linuxbios_table.o udelay_io.o
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STAGE2_ARCH_X86_OBJ += pci_ops_auto.o pci_ops_conf1.o pci_ops_conf2.o
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STAGE2_ARCH_X86_OBJ += keyboard.o i8259.o isa-dma.o
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STAGE2_DYNAMIC_OBJ = statictree.o
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STAGE2_OBJ := $(patsubst %,$(obj)/lib/%,$(STAGE2_LIB_OBJ)) \
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$(patsubst %,$(obj)/arch/x86/%,$(STAGE2_ARCH_X86_OBJ)) \
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$(patsubst %,$(obj)/device/%,$(STAGE2_DEVICE_OBJ)) \
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$(patsubst %,$(obj)/mainboard/$(MAINBOARDDIR)/%,$(STAGE2_MAINBOARD_OBJ)) \
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$(patsubst %,$(obj)/mainboard/$(MAINBOARDDIR)/%,$(STAGE2_DYNAMIC_OBJ))
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STAGE2_OBJ += $(STAGE2_CHIPSET_OBJ)
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ifeq ($(CONFIG_PCI_OPTION_ROM_RUN),y)
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ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_X86EMU),y)
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# x86emu wants libgcc
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ifneq ($(strip $(CC)),)
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LIBGCC_FILE_NAME := $(shell $(CC) -print-libgcc-file-name)
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endif
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endif
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STAGE2_OBJ += $(obj)/util/x86emu/libx86emu.a $(LIBGCC_FILE_NAME)
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endif
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$(obj)/linuxbios.stage2: $(obj)/stage0.init $(STAGE2_OBJ)
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$(Q)# leave a .o with full symbols in it for debugging.
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$(Q)printf " LD $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(LD) -R $(obj)/stage0.o -Ttext 0x1000 --entry=stage2 \
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-o $(obj)/linuxbios.stage2.o $(STAGE2_OBJ)
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$(Q)printf " OBJCOPY $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(OBJCOPY) -O binary $(obj)/linuxbios.stage2.o $(obj)/linuxbios.stage2
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#
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# Build rules.
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#
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$(obj)/arch/x86/%.o: $(src)/arch/x86/%.c
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$(Q)mkdir -p $(obj)/arch/x86
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$(Q)printf " CC $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(CC) $(INITCFLAGS) -c $< -o $@
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$(obj)/mainboard/$(MAINBOARDDIR)/%.o: $(src)/mainboard/$(MAINBOARDDIR)/%.c
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$(Q)mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
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$(Q)printf " CC $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(CC) $(INITCFLAGS) -c $< -o $@
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# Building asm stub.
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$(obj)/arch/x86/stage0%.o: $(src)/arch/x86/stage0%.S
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$(Q)printf " CC $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(CC) -E $(LINUXBIOSINCLUDE) $< \
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-o $(obj)/arch/x86/stage0_asm.s -DBOOTBLK=0x1f00 \
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-DRESRVED=0xf0 -DDATE=\"`date +%Y/%m/%d`\"
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$(Q)printf " AS $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(AS) $(obj)/arch/x86/stage0_asm.s -o $@
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$(obj)/arch/x86/geodelx/stage0.o: $(src)/arch/x86/geodelx/stage0.S
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$(Q)mkdir -p $(obj)/arch/x86/geodelx
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$(Q)printf " CC $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(CC) -E $(LINUXBIOSINCLUDE) $< \
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-o $(obj)/arch/x86/stage0_asm.s -DBOOTBLK=0x1f00 \
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-DRESRVED=0xf0 -DDATE=\"`date +%Y/%m/%d`\"
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$(Q)printf " AS $(subst $(shell pwd)/,,$(@))\n"
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$(Q)$(AS) $(obj)/arch/x86/stage0_asm.s -o $@
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endif
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