Commit 790edb61 authored by GuanXuetao's avatar GuanXuetao

unicore32 core architecture: build infrastructure

This patch implements build infrastructure.
Signed-off-by: default avatarGuan Xuetao <gxt@mprc.pku.edu.cn>
Reviewed-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 7f509a9e
#
# Generated include files
#
include/generated
#
# Generated ld script file
#
kernel/vmlinux.lds
#
# Generated images in boot
#
boot/Image
boot/zImage
boot/uImage
#
# Generated files in boot/compressed
#
boot/compressed/piggy.S
boot/compressed/piggy.gzip
boot/compressed/vmlinux
boot/compressed/vmlinux.lds
config UNICORE32
def_bool y
select HAVE_MEMBLOCK
select HAVE_GENERIC_DMA_COHERENT
select HAVE_GENERIC_HARDIRQS
select HAVE_DMA_ATTRS
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_LZO
select HAVE_KERNEL_LZMA
select GENERIC_FIND_FIRST_BIT
select GENERIC_IRQ_PROBE
select ARCH_WANT_FRAME_POINTERS
help
UniCore-32 is 32-bit Instruction Set Architecture,
including a series of low-power-consumption RISC chip
designs licensed by PKUnity Ltd.
Please see web page at <http://www.pkunity.com/>.
config HAVE_PWM
bool
config GENERIC_GPIO
def_bool y
config GENERIC_CLOCKEVENTS
bool
config GENERIC_CSUM
def_bool y
config NO_IOPORT
bool
config STACKTRACE_SUPPORT
def_bool y
config HAVE_LATENCYTOP_SUPPORT
def_bool y
config LOCKDEP_SUPPORT
def_bool y
config RWSEM_GENERIC_SPINLOCK
def_bool y
config RWSEM_XCHGADD_ALGORITHM
bool
config ARCH_HAS_ILOG2_U32
bool
config ARCH_HAS_ILOG2_U64
bool
config ARCH_HAS_CPUFREQ
bool
config GENERIC_HWEIGHT
def_bool y
config GENERIC_CALIBRATE_DELAY
def_bool y
config ARCH_MAY_HAVE_PC_FDC
bool
config NEED_DMA_MAP_STATE
def_bool y
source "init/Kconfig"
source "kernel/Kconfig.freezer"
menu "System Type"
config MMU
def_bool y
config ARCH_FPGA
bool
config ARCH_PUV3
def_bool y
select CPU_UCV2
select GENERIC_CLOCKEVENTS
select HAVE_CLK
select ARCH_REQUIRE_GPIOLIB
select ARCH_HAS_CPUFREQ
# CONFIGs for ARCH_PUV3
if ARCH_PUV3
choice
prompt "Board Selection"
default PUV3_DB0913
config PUV3_FPGA_DLX200
select ARCH_FPGA
bool "FPGA board"
config PUV3_DB0913
bool "DEBUG board (0913)"
config PUV3_NB0916
bool "NetBook board (0916)"
select HAVE_PWM
config PUV3_SMW0919
bool "Security Mini-Workstation board (0919)"
endchoice
config PUV3_PM
def_bool y if !ARCH_FPGA
endif
source "arch/unicore32/mm/Kconfig"
comment "Floating poing support"
config UNICORE_FPU_F64
def_bool y if !ARCH_FPGA
endmenu
menu "Bus support"
config PCI
bool "PCI Support"
help
Find out whether you have a PCI motherboard. PCI is the name of a
bus system, i.e. the way the CPU talks to the other stuff inside
your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
VESA. If you have PCI, say Y, otherwise N.
source "drivers/pci/Kconfig"
source "drivers/pcmcia/Kconfig"
endmenu
menu "Kernel Features"
source "kernel/time/Kconfig"
source "kernel/Kconfig.preempt"
source "kernel/Kconfig.hz"
source "mm/Kconfig"
config LEDS
def_bool y
depends on GENERIC_GPIO
config ALIGNMENT_TRAP
def_bool y
help
Unicore processors can not fetch/store information which is not
naturally aligned on the bus, i.e., a 4 byte fetch must start at an
address divisible by 4. On 32-bit Unicore processors, these non-aligned
fetch/store instructions will be emulated in software if you say
here, which has a severe performance impact. This is necessary for
correct operation of some network protocols. With an IP-only
configuration it is safe to say N, otherwise say Y.
endmenu
menu "Boot options"
config CMDLINE
string "Default kernel command string"
default ""
config CMDLINE_FORCE
bool "Always use the default kernel command string"
depends on CMDLINE != ""
help
Always use the default kernel command string, even if the boot
loader passes other arguments to the kernel.
This is useful if you cannot or don't want to change the
command-line options your boot loader passes to the kernel.
If unsure, say N.
endmenu
menu "Userspace binary formats"
source "fs/Kconfig.binfmt"
endmenu
menu "Power management options"
source "kernel/power/Kconfig"
if ARCH_HAS_CPUFREQ
source "drivers/cpufreq/Kconfig"
endif
config ARCH_SUSPEND_POSSIBLE
def_bool y if !ARCH_FPGA
config ARCH_HIBERNATION_POSSIBLE
def_bool y if !ARCH_FPGA
endmenu
source "net/Kconfig"
if ARCH_PUV3
config PUV3_GPIO
bool
depends on !ARCH_FPGA
select GENERIC_GPIO
select GPIO_SYSFS if EXPERIMENTAL
default y
config PUV3_PWM
tristate
default BACKLIGHT_PWM
help
Enable support for NB0916 PWM controllers
config PUV3_RTC
tristate "PKUnity v3 RTC Support"
depends on !ARCH_FPGA
endif
source "drivers/Kconfig"
source "fs/Kconfig"
source "arch/unicore32/Kconfig.debug"
source "security/Kconfig"
source "crypto/Kconfig"
source "lib/Kconfig"
menu "Kernel hacking"
source "lib/Kconfig.debug"
config STRICT_DEVMEM
bool "Filter access to /dev/mem"
depends on MMU
---help---
If this option is disabled, you allow userspace (root) access to all
of memory, including kernel and userspace memory. Accidental
access to this is obviously disastrous, but specific access can
be used by people debugging the kernel.
If this option is switched on, the /dev/mem file only allows
userspace access to memory mapped peripherals.
If in doubt, say Y.
config EARLY_PRINTK
def_bool DEBUG_OCD
help
Write kernel log output directly into the ocd or to a serial port.
This is useful for kernel debugging when your machine crashes very
early before the console code is initialized. For normal operation
it is not recommended because it looks ugly and doesn't cooperate
with klogd/syslogd or the X server. You should normally N here,
unless you want to debug such a crash.
config DEBUG_STACK_USAGE
bool "Enable stack utilization instrumentation"
depends on DEBUG_KERNEL
help
Enables the display of the minimum amount of free stack which each
task has ever had available in the sysrq-T output.
# These options are only for real kernel hackers who want to get their hands dirty.
config DEBUG_LL
bool "Kernel low-level debugging functions"
depends on DEBUG_KERNEL
help
Say Y here to include definitions of printascii, printch, printhex
in the kernel. This is helpful if you are debugging code that
executes before the console is initialized.
config DEBUG_OCD
bool "Kernel low-level debugging via On-Chip-Debugger"
depends on DEBUG_LL
default y
help
Say Y here if you want the debug print routines to direct their
output to the UniCore On-Chip-Debugger channel using CP #1.
config DEBUG_OCD_BREAKPOINT
bool "Breakpoint support via On-Chip-Debugger"
depends on DEBUG_OCD
config DEBUG_UART
int "Kernel low-level debugging messages via serial port"
depends on DEBUG_LL
range 0 1
default "0"
help
Choice for UART for kernel low-level using PKUnity UARTS,
should be between zero and one. The port must have been
initialised by the boot-loader before use.
endmenu
#
# arch/unicore32/Makefile
#
# This file is included by the global makefile so that you can add your own
# architecture-specific flags and dependencies.
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 2002~2010 by Guan Xue-tao
#
ifneq ($(SUBARCH),$(ARCH))
ifeq ($(CROSS_COMPILE),)
CROSS_COMPILE := $(call cc-cross-prefix, unicore32-linux-)
endif
endif
LDFLAGS_vmlinux := -p --no-undefined -X
OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment -S
# Never generate .eh_frame
KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
# Never use hard float in kernel
KBUILD_CFLAGS += -msoft-float
ifeq ($(CONFIG_FRAME_POINTER),y)
KBUILD_CFLAGS += -mno-sched-prolog
endif
CHECKFLAGS += -D__unicore32__
head-y := arch/unicore32/kernel/head.o
head-y += arch/unicore32/kernel/init_task.o
core-y += arch/unicore32/kernel/
core-y += arch/unicore32/mm/
libs-y += arch/unicore32/lib/
ASM_GENERATED_DIR := $(srctree)/arch/unicore32/include/generated
LINUXINCLUDE += -I$(ASM_GENERATED_DIR)
ASM_GENERIC_HEADERS := atomic.h auxvec.h
ASM_GENERIC_HEADERS += bitsperlong.h bug.h bugs.h
ASM_GENERIC_HEADERS += cputime.h current.h
ASM_GENERIC_HEADERS += device.h div64.h
ASM_GENERIC_HEADERS += emergency-restart.h errno.h
ASM_GENERIC_HEADERS += fb.h fcntl.h ftrace.h
ASM_GENERIC_HEADERS += hardirq.h hw_irq.h
ASM_GENERIC_HEADERS += ioctl.h ioctls.h ipcbuf.h irq_regs.h
ASM_GENERIC_HEADERS += kdebug.h kmap_types.h
ASM_GENERIC_HEADERS += local.h
ASM_GENERIC_HEADERS += mman.h module.h msgbuf.h
ASM_GENERIC_HEADERS += param.h parport.h percpu.h poll.h posix_types.h
ASM_GENERIC_HEADERS += resource.h
ASM_GENERIC_HEADERS += scatterlist.h sections.h segment.h sembuf.h serial.h
ASM_GENERIC_HEADERS += setup.h shmbuf.h shmparam.h
ASM_GENERIC_HEADERS += siginfo.h signal.h sizes.h
ASM_GENERIC_HEADERS += socket.h sockios.h stat.h statfs.h swab.h syscalls.h
ASM_GENERIC_HEADERS += termbits.h termios.h topology.h types.h
ASM_GENERIC_HEADERS += ucontext.h unaligned.h user.h
ASM_GENERIC_HEADERS += vga.h
ASM_GENERIC_HEADERS += xor.h
archprepare:
ifneq ($(ASM_GENERATED_DIR), $(wildcard $(ASM_GENERATED_DIR)))
$(Q)mkdir -p $(ASM_GENERATED_DIR)/asm
$(Q)$(foreach a, $(ASM_GENERIC_HEADERS), \
echo '#include <asm-generic/$a>' \
> $(ASM_GENERATED_DIR)/asm/$a; )
endif
boot := arch/unicore32/boot
# Default target when executing plain make
KBUILD_IMAGE := zImage
all: $(KBUILD_IMAGE)
zImage Image uImage: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
MRPROPER_DIRS += $(ASM_GENERATED_DIR)
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
define archhelp
echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
echo ' uImage - U-Boot wrapped zImage'
endef
### General setup
CONFIG_EXPERIMENTAL=y
CONFIG_LOCALVERSION="-debug"
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
CONFIG_HOTPLUG=y
# Initial RAM filesystem and RAM disk (initramfs/initrd) support
#CONFIG_BLK_DEV_INITRD=y
#CONFIG_INITRAMFS_SOURCE="arch/unicore/ramfs/ramfs_config"
### Enable loadable module support
CONFIG_MODULES=n
CONFIG_MODULE_UNLOAD=y
### System Type
CONFIG_ARCH_PUV3=y
# Board Selection
CONFIG_PUV3_NB0916=y
# Processor Features
CONFIG_CPU_DCACHE_LINE_DISABLE=y
CONFIG_CPU_TLB_SINGLE_ENTRY_DISABLE=n
### Bus support
CONFIG_PCI=y
CONFIG_PCI_LEGACY=n
### Boot options
# for debug, adding: earlyprintk=ocd,keep initcall_debug
# others support: test_suspend=mem root=/dev/sda
# hibernate support: resume=/dev/sda3
CONFIG_CMDLINE="earlyprintk=ocd,keep ignore_loglevel"
# TODO: mem=512M video=unifb:1024x600-16@75
# for nfs: root=/dev/nfs rw nfsroot=192.168.10.88:/home/udb/nfs/,rsize=1024,wsize=1024
# ip=192.168.10.83:192.168.10.88:192.168.10.1:255.255.255.0::eth0:off
CONFIG_CMDLINE_FORCE=y
### Power management options
CONFIG_PM=y
CONFIG_HIBERNATION=y
CONFIG_PM_STD_PARTITION="/dev/sda3"
CONFIG_CPU_FREQ=n
CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
### Networking support
CONFIG_NET=y
# Networking options
CONFIG_PACKET=m
CONFIG_UNIX=m
# TCP/IP networking
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_PNP=y
CONFIG_IPV6=n
# Wireless
CONFIG_WIRELESS=y
CONFIG_WIRELESS_EXT=y
CONFIG_MAC80211=m
### PKUnity SoC Features
CONFIG_USB_WLAN_HED_AQ3=n
CONFIG_USB_CMMB_INNOFIDEI=n
CONFIG_I2C_BATTERY_BQ27200=n
CONFIG_I2C_EEPROM_AT24=n
CONFIG_LCD_BACKLIGHT=n
CONFIG_PUV3_RTC=y
CONFIG_PUV3_UMAL=y
CONFIG_PUV3_UNIGFX=y
CONFIG_PUV3_MUSB=n
CONFIG_PUV3_AC97=n
CONFIG_PUV3_NAND=n
CONFIG_PUV3_MMC=n
CONFIG_PUV3_UART=n
### Device Drivers
# Memory Technology Device (MTD) support
CONFIG_MTD=m
CONFIG_MTD_UBI=m
CONFIG_MTD_PARTITIONS=y
CONFIG_MTD_CHAR=m
CONFIG_MTD_BLKDEVS=m
# RAM/ROM/Flash chip drivers
CONFIG_MTD_CFI=m
CONFIG_MTD_JEDECPROBE=m
CONFIG_MTD_CFI_AMDSTD=m
# Mapping drivers for chip access
CONFIG_MTD_PHYSMAP=m
# Block devices
CONFIG_BLK_DEV_LOOP=m
# SCSI device support
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_BLK_DEV_SR=m
CONFIG_CHR_DEV_SG=m
# Serial ATA (prod) and Parallel ATA (experimental) drivers
CONFIG_ATA=y
CONFIG_SATA_VIA=y
# Network device support
CONFIG_NETDEVICES=y
CONFIG_NET_ETHERNET=y
CONFIG_NETDEV_1000=y
# Wireless LAN
CONFIG_WLAN_80211=n
CONFIG_RT2X00=n
CONFIG_RT73USB=n
# Input device support
CONFIG_INPUT_EVDEV=m
# Keyboards
CONFIG_KEYBOARD_GPIO=m
# Hardware Monitoring support
#CONFIG_SENSORS_LM75=m
# Generic Thermal sysfs driver
#CONFIG_THERMAL=m
#CONFIG_THERMAL_HWMON=y
# Multimedia support
CONFIG_MEDIA_SUPPORT=n
CONFIG_VIDEO_DEV=n
CONFIG_USB_VIDEO_CLASS=n
# Graphics support
# Console display driver support
CONFIG_VGA_CONSOLE=n
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FONTS=y
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
# Bootup logo
CONFIG_LOGO=n
# Sound card support
CONFIG_SOUND=m
# Advanced Linux Sound Architecture
CONFIG_SND=m
CONFIG_SND_MIXER_OSS=m
CONFIG_SND_PCM_OSS=m
# USB support
CONFIG_USB_ARCH_HAS_HCD=n
CONFIG_USB=n
CONFIG_USB_DEVICEFS=n
CONFIG_USB_PRINTER=n
CONFIG_USB_STORAGE=n
# Inventra Highspeed Dual Role Controller
CONFIG_USB_MUSB_HDRC=n
# LED Support
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
CONFIG_LEDS_GPIO=y
# LED Triggers
CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_TIMER=y
CONFIG_LEDS_TRIGGER_IDE_DISK=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
# Real Time Clock
CONFIG_RTC_LIB=m
CONFIG_RTC_CLASS=m
### File systems
CONFIG_EXT2_FS=m
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS=y
CONFIG_FUSE_FS=m
# CD-ROM/DVD Filesystems
CONFIG_ISO9660_FS=m
CONFIG_JOLIET=y
CONFIG_UDF_FS=m
# DOS/FAT/NT Filesystems
CONFIG_VFAT_FS=m
# Pseudo filesystems
CONFIG_PROC_FS=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
# Miscellaneous filesystems
CONFIG_MISC_FILESYSTEMS=y
CONFIG_JFFS2_FS=m
CONFIG_UBIFS_FS=m
# Network File Systems
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
CONFIG_ROOT_NFS=y
# Partition Types
CONFIG_PARTITION_ADVANCED=y
CONFIG_MSDOS_PARTITION=y
# Native language support
CONFIG_NLS=y
CONFIG_NLS_CODEPAGE_437=m
CONFIG_NLS_CODEPAGE_936=m
CONFIG_NLS_ISO8859_1=m
CONFIG_NLS_UTF8=m
### Kernel hacking
CONFIG_FRAME_WARN=8096
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
CONFIG_PROVE_LOCKING=n
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_FRAME_POINTER=y
CONFIG_DEBUG_LL=y
include include/asm-generic/Kbuild.asm
/*
* linux/arch/unicore32/include/asm/linkage.h
*
* Code specific to PKUnity SoC and UniCore ISA
*
* Copyright (C) 2001-2010 GUAN Xue-tao
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __UNICORE_LINKAGE_H__
#define __UNICORE_LINKAGE_H__
#define __ALIGN .align 0
#define __ALIGN_STR ".align 0"
#define ENDPROC(name) \
.type name, %function; \
END(name)
#endif
#
# Makefile for the linux kernel.
#
# Object file lists.
obj-y := dma.o elf.o entry.o process.o ptrace.o
obj-y += setup.o signal.o sys.o stacktrace.o traps.o
obj-$(CONFIG_MODULES) += ksyms.o module.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_CPU_FREQ) += cpu-ucv2.o
obj-$(CONFIG_UNICORE_FPU_F64) += fpu-ucf64.o
# obj-y for architecture PKUnity v3
obj-$(CONFIG_ARCH_PUV3) += clock.o irq.o time.o
obj-$(CONFIG_PUV3_GPIO) += gpio.o
obj-$(CONFIG_PUV3_RTC) += rtc.o
obj-$(CONFIG_PUV3_PWM) += pwm.o
obj-$(CONFIG_PUV3_PM) += pm.o sleep.o
obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate_asm.o
obj-$(CONFIG_PCI) += pci.o
# obj-y for specific machines
obj-$(CONFIG_ARCH_PUV3) += puv3-core.o
obj-$(CONFIG_PUV3_NB0916) += puv3-nb0916.o
head-y := head.o
obj-$(CONFIG_DEBUG_LL) += debug.o
extra-y := $(head-y) init_task.o vmlinux.lds
/*
* linux/arch/unicore32/kernel/vmlinux.lds.S
*
* Code specific to PKUnity SoC and UniCore ISA
*
* Copyright (C) 2001-2010 GUAN Xue-tao
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <asm-generic/vmlinux.lds.h>
#include <asm/thread_info.h>
#include <asm/memory.h>
#include <asm/page.h>
OUTPUT_ARCH(unicore32)
ENTRY(stext)
jiffies = jiffies_64;
SECTIONS
{
. = PAGE_OFFSET + KERNEL_IMAGE_START;
_text = .;
__init_begin = .;
HEAD_TEXT_SECTION
INIT_TEXT_SECTION(PAGE_SIZE)
INIT_DATA_SECTION(16)
PERCPU(PAGE_SIZE)
__init_end = .;
_stext = .;
.text : { /* Real text segment */
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
*(.fixup)
*(.gnu.warning)
}
_etext = .;
_sdata = .;
RO_DATA_SECTION(PAGE_SIZE)
RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
_edata = .;
EXCEPTION_TABLE(32)
NOTES
BSS_SECTION(0, 0, 0)
_end = .;
STABS_DEBUG
DWARF_DEBUG
DISCARDS /* Exit code and data */
}
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