tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
OpenRISC: Build infrastructure
Signed-off-by: Jonas Bonn <jonas@southpole.se>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
+545
+207
arch/openrisc/Kconfig
+207
arch/openrisc/Kconfig
···
1
+
#
2
+
# For a description of the syntax of this configuration file,
3
+
# see Documentation/kbuild/config-language.txt.
4
+
#
5
+
6
+
config OPENRISC
7
+
def_bool y
8
+
select OF
9
+
select OF_EARLY_FLATTREE
10
+
select HAVE_MEMBLOCK
11
+
select ARCH_WANT_OPTIONAL_GPIOLIB
12
+
select HAVE_ARCH_TRACEHOOK
13
+
select HAVE_GENERIC_HARDIRQS
14
+
select GENERIC_IRQ_CHIP
15
+
select GENERIC_IRQ_PROBE
16
+
select GENERIC_IRQ_SHOW
17
+
select GENERIC_IOMAP
18
+
19
+
config MMU
20
+
def_bool y
21
+
22
+
config WISHBONE_BUS_BIG_ENDIAN
23
+
def_bool y
24
+
25
+
config SYMBOL_PREFIX
26
+
string
27
+
default ""
28
+
29
+
config HAVE_DMA_ATTRS
30
+
def_bool y
31
+
32
+
config UID16
33
+
def_bool y
34
+
35
+
config RWSEM_GENERIC_SPINLOCK
36
+
def_bool y
37
+
38
+
config RWSEM_XCHGADD_ALGORITHM
39
+
def_bool n
40
+
41
+
config GENERIC_HWEIGHT
42
+
def_bool y
43
+
44
+
config GENERIC_IOMAP
45
+
def_bool y
46
+
47
+
config NO_IOPORT
48
+
def_bool y
49
+
50
+
config GENERIC_GPIO
51
+
def_bool y
52
+
53
+
config GENERIC_CLOCKEVENTS
54
+
def_bool y
55
+
56
+
config TRACE_IRQFLAGS_SUPPORT
57
+
def_bool y
58
+
59
+
# For now, use generic checksum functions
60
+
#These can be reimplemented in assembly later if so inclined
61
+
config GENERIC_CSUM
62
+
def_bool y
63
+
64
+
config GENERIC_FIND_NEXT_BIT
65
+
def_bool y
66
+
67
+
source "init/Kconfig"
68
+
69
+
70
+
menu "Processor type and features"
71
+
72
+
choice
73
+
prompt "Subarchitecture"
74
+
default OR1K_1200
75
+
76
+
config OR1K_1200
77
+
bool "OR1200"
78
+
help
79
+
Generic OpenRISC 1200 architecture
80
+
81
+
endchoice
82
+
83
+
config OPENRISC_BUILTIN_DTB
84
+
string "Builtin DTB"
85
+
default ""
86
+
87
+
menu "Class II Instructions"
88
+
89
+
config OPENRISC_HAVE_INST_FF1
90
+
bool "Have instruction l.ff1"
91
+
default y
92
+
help
93
+
Select this if your implementation has the Class II instruction l.ff1
94
+
95
+
config OPENRISC_HAVE_INST_FL1
96
+
bool "Have instruction l.fl1"
97
+
default y
98
+
help
99
+
Select this if your implementation has the Class II instruction l.fl1
100
+
101
+
config OPENRISC_HAVE_INST_MUL
102
+
bool "Have instruction l.mul for hardware multiply"
103
+
default y
104
+
help
105
+
Select this if your implementation has a hardware multiply instruction
106
+
107
+
config OPENRISC_HAVE_INST_DIV
108
+
bool "Have instruction l.div for hardware divide"
109
+
default y
110
+
help
111
+
Select this if your implementation has a hardware divide instruction
112
+
endmenu
113
+
114
+
115
+
source "kernel/time/Kconfig"
116
+
source kernel/Kconfig.hz
117
+
source kernel/Kconfig.preempt
118
+
source "mm/Kconfig"
119
+
120
+
config OPENRISC_NO_SPR_SR_DSX
121
+
bool "use SPR_SR_DSX software emulation" if OR1K_1200
122
+
default y
123
+
help
124
+
SPR_SR_DSX bit is status register bit indicating whether
125
+
the last exception has happened in delay slot.
126
+
127
+
OpenRISC architecture makes it optional to have it implemented
128
+
in hardware and the OR1200 does not have it.
129
+
130
+
Say N here if you know that your OpenRISC processor has
131
+
SPR_SR_DSX bit implemented. Say Y if you are unsure.
132
+
133
+
config CMDLINE
134
+
string "Default kernel command string"
135
+
default ""
136
+
help
137
+
On some architectures there is currently no way for the boot loader
138
+
to pass arguments to the kernel. For these architectures, you should
139
+
supply some command-line options at build time by entering them
140
+
here.
141
+
142
+
menu "Debugging options"
143
+
144
+
config DEBUG_STACKOVERFLOW
145
+
bool "Check for kernel stack overflow"
146
+
default y
147
+
help
148
+
Make extra checks for space avaliable on stack in some
149
+
critical functions. This will cause kernel to run a bit slower,
150
+
but will catch most of kernel stack overruns and exit gracefuly.
151
+
152
+
Say Y if you are unsure.
153
+
154
+
config JUMP_UPON_UNHANDLED_EXCEPTION
155
+
bool "Try to die gracefully"
156
+
default y
157
+
help
158
+
Now this puts kernel into infinite loop after first oops. Till
159
+
your kernel crashes this doesn't have any influence.
160
+
161
+
Say Y if you are unsure.
162
+
163
+
config OPENRISC_EXCEPTION_DEBUG
164
+
bool "Print processor state at each exception"
165
+
default n
166
+
help
167
+
This option will make your kernel unusable for all but kernel
168
+
debugging.
169
+
170
+
Say N if you are unsure.
171
+
172
+
config OPENRISC_ESR_EXCEPTION_BUG_CHECK
173
+
bool "Check for possible ESR exception bug"
174
+
default n
175
+
help
176
+
This option enables some checks that might expose some problems
177
+
in kernel.
178
+
179
+
Say N if you are unsure.
180
+
181
+
endmenu
182
+
183
+
endmenu
184
+
185
+
menu "Executable file formats"
186
+
187
+
source "fs/Kconfig.binfmt"
188
+
189
+
endmenu
190
+
191
+
source "net/Kconfig"
192
+
193
+
source "drivers/Kconfig"
194
+
195
+
source "fs/Kconfig"
196
+
197
+
source "security/Kconfig"
198
+
199
+
source "crypto/Kconfig"
200
+
201
+
source "lib/Kconfig"
202
+
203
+
menu "Kernel hacking"
204
+
205
+
source "lib/Kconfig.debug"
206
+
207
+
endmenu
+55
arch/openrisc/Makefile
+55
arch/openrisc/Makefile
···
1
+
# BK Id: %F% %I% %G% %U% %#%
2
+
#
3
+
# This file is included by the global makefile so that you can add your own
4
+
# architecture-specific flags and dependencies. Remember to do have actions
5
+
# for "archclean" and "archdep" for cleaning up and making dependencies for
6
+
# this architecture
7
+
#
8
+
# This file is subject to the terms and conditions of the GNU General Public
9
+
# License. See the file "COPYING" in the main directory of this archive
10
+
# for more details.
11
+
#
12
+
# Copyright (C) 1994 by Linus Torvalds
13
+
# Modifications for the OpenRISC architecture:
14
+
# Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
15
+
# Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
16
+
#
17
+
# Based on:
18
+
# arch/i386/Makefile
19
+
20
+
KBUILD_DEFCONFIG := or1ksim_defconfig
21
+
22
+
LDFLAGS :=
23
+
OBJCOPYFLAGS := -O binary -R .note -R .comment -S
24
+
LDFLAGS_vmlinux :=
25
+
LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
26
+
27
+
KBUILD_CFLAGS += -pipe -ffixed-r10
28
+
29
+
ifeq ($(CONFIG_OPENRISC_HAVE_INST_MUL),y)
30
+
KBUILD_CFLAGS += $(call cc-option,-mhard-mul)
31
+
else
32
+
KBUILD_CFLAGS += $(call cc-option,-msoft-mul)
33
+
endif
34
+
35
+
ifeq ($(CONFIG_OPENRISC_HAVE_INST_DIV),y)
36
+
KBUILD_CFLAGS += $(call cc-option,-mhard-div)
37
+
else
38
+
KBUILD_CFLAGS += $(call cc-option,-msoft-div)
39
+
endif
40
+
41
+
head-y := arch/openrisc/kernel/head.o arch/openrisc/kernel/init_task.o
42
+
43
+
core-y += arch/openrisc/lib/ \
44
+
arch/openrisc/kernel/ \
45
+
arch/openrisc/mm/
46
+
libs-y += $(LIBGCC)
47
+
48
+
ifneq '$(CONFIG_OPENRISC_BUILTIN_DTB)' '""'
49
+
BUILTIN_DTB := y
50
+
else
51
+
BUILTIN_DTB := n
52
+
endif
53
+
core-$(BUILTIN_DTB) += arch/openrisc/boot/
54
+
55
+
all: vmlinux
+15
arch/openrisc/boot/Makefile
+15
arch/openrisc/boot/Makefile
···
1
+
2
+
3
+
ifneq '$(CONFIG_OPENRISC_BUILTIN_DTB)' '""'
4
+
BUILTIN_DTB := $(patsubst "%",%,$(CONFIG_OPENRISC_BUILTIN_DTB)).dtb.o
5
+
else
6
+
BUILTIN_DTB :=
7
+
endif
8
+
obj-y += $(BUILTIN_DTB)
9
+
10
+
clean-files := *.dtb.S
11
+
12
+
#DTC_FLAGS ?= -p 1024
13
+
14
+
$(obj)/%.dtb: $(src)/dts/%.dts
15
+
$(call cmd,dtc)
+65
arch/openrisc/configs/or1ksim_defconfig
+65
arch/openrisc/configs/or1ksim_defconfig
···
1
+
CONFIG_CROSS_COMPILE="or32-linux-"
2
+
CONFIG_LOG_BUF_SHIFT=14
3
+
CONFIG_BLK_DEV_INITRD=y
4
+
# CONFIG_RD_GZIP is not set
5
+
CONFIG_EXPERT=y
6
+
# CONFIG_SYSCTL_SYSCALL is not set
7
+
# CONFIG_KALLSYMS is not set
8
+
# CONFIG_EPOLL is not set
9
+
# CONFIG_TIMERFD is not set
10
+
# CONFIG_EVENTFD is not set
11
+
# CONFIG_AIO is not set
12
+
# CONFIG_VM_EVENT_COUNTERS is not set
13
+
# CONFIG_COMPAT_BRK is not set
14
+
CONFIG_SLOB=y
15
+
CONFIG_MODULES=y
16
+
# CONFIG_BLOCK is not set
17
+
CONFIG_OPENRISC_BUILTIN_DTB="or1ksim"
18
+
CONFIG_NO_HZ=y
19
+
CONFIG_HZ_100=y
20
+
CONFIG_NET=y
21
+
CONFIG_PACKET=y
22
+
CONFIG_UNIX=y
23
+
CONFIG_INET=y
24
+
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
25
+
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
26
+
# CONFIG_INET_XFRM_MODE_BEET is not set
27
+
# CONFIG_INET_LRO is not set
28
+
# CONFIG_INET_DIAG is not set
29
+
CONFIG_TCP_CONG_ADVANCED=y
30
+
# CONFIG_TCP_CONG_BIC is not set
31
+
# CONFIG_TCP_CONG_CUBIC is not set
32
+
# CONFIG_TCP_CONG_WESTWOOD is not set
33
+
# CONFIG_TCP_CONG_HTCP is not set
34
+
# CONFIG_IPV6 is not set
35
+
# CONFIG_WIRELESS is not set
36
+
CONFIG_DEVTMPFS=y
37
+
CONFIG_DEVTMPFS_MOUNT=y
38
+
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
39
+
# CONFIG_FW_LOADER is not set
40
+
CONFIG_PROC_DEVICETREE=y
41
+
CONFIG_NETDEVICES=y
42
+
CONFIG_MICREL_PHY=y
43
+
CONFIG_NET_ETHERNET=y
44
+
CONFIG_ETHOC=y
45
+
# CONFIG_NETDEV_1000 is not set
46
+
# CONFIG_NETDEV_10000 is not set
47
+
# CONFIG_WLAN is not set
48
+
# CONFIG_INPUT is not set
49
+
# CONFIG_SERIO is not set
50
+
# CONFIG_VT is not set
51
+
# CONFIG_LEGACY_PTYS is not set
52
+
# CONFIG_DEVKMEM is not set
53
+
CONFIG_SERIAL_8250=y
54
+
CONFIG_SERIAL_8250_CONSOLE=y
55
+
CONFIG_SERIAL_OF_PLATFORM=y
56
+
# CONFIG_HW_RANDOM is not set
57
+
# CONFIG_HWMON is not set
58
+
# CONFIG_MFD_SUPPORT is not set
59
+
# CONFIG_USB_SUPPORT is not set
60
+
# CONFIG_DNOTIFY is not set
61
+
CONFIG_TMPFS=y
62
+
CONFIG_NFS_FS=y
63
+
CONFIG_NFS_V3=y
64
+
# CONFIG_ENABLE_WARN_DEPRECATED is not set
65
+
# CONFIG_ENABLE_MUST_CHECK is not set
+64
arch/openrisc/include/asm/Kbuild
+64
arch/openrisc/include/asm/Kbuild
···
1
+
include include/asm-generic/Kbuild.asm
2
+
3
+
header-y += spr_defs.h
4
+
5
+
generic-y += atomic.h
6
+
generic-y += auxvec.h
7
+
generic-y += bitsperlong.h
8
+
generic-y += bug.h
9
+
generic-y += bugs.h
10
+
generic-y += cacheflush.h
11
+
generic-y += checksum.h
12
+
generic-y += cmpxchg.h
13
+
generic-y += cmpxchg-local.h
14
+
generic-y += cpumask.h
15
+
generic-y += cputime.h
16
+
generic-y += current.h
17
+
generic-y += device.h
18
+
generic-y += div64.h
19
+
generic-y += dma.h
20
+
generic-y += emergency-restart.h
21
+
generic-y += errno.h
22
+
generic-y += fb.h
23
+
generic-y += fcntl.h
24
+
generic-y += ftrace.h
25
+
generic-y += futex.h
26
+
generic-y += hardirq.h
27
+
generic-y += hw_irq.h
28
+
generic-y += ioctl.h
29
+
generic-y += ioctls.h
30
+
generic-y += ipcbuf.h
31
+
generic-y += irq_regs.h
32
+
generic-y += kdebug.h
33
+
generic-y += kmap_types.h
34
+
generic-y += local.h
35
+
generic-y += mman.h
36
+
generic-y += module.h
37
+
generic-y += msgbuf.h
38
+
generic-y += pci.h
39
+
generic-y += percpu.h
40
+
generic-y += poll.h
41
+
generic-y += posix_types.h
42
+
generic-y += resource.h
43
+
generic-y += rmap.h
44
+
generic-y += scatterlist.h
45
+
generic-y += sections.h
46
+
generic-y += segment.h
47
+
generic-y += sembuf.h
48
+
generic-y += setup.h
49
+
generic-y += shmbuf.h
50
+
generic-y += shmparam.h
51
+
generic-y += siginfo.h
52
+
generic-y += signal.h
53
+
generic-y += socket.h
54
+
generic-y += sockios.h
55
+
generic-y += statfs.h
56
+
generic-y += stat.h
57
+
generic-y += string.h
58
+
generic-y += swab.h
59
+
generic-y += termbits.h
60
+
generic-y += termios.h
61
+
generic-y += topology.h
62
+
generic-y += types.h
63
+
generic-y += ucontext.h
64
+
generic-y += user.h
+14
arch/openrisc/kernel/Makefile
+14
arch/openrisc/kernel/Makefile
···
1
+
#
2
+
# Makefile for the linux kernel.
3
+
#
4
+
5
+
extra-y := head.o vmlinux.lds init_task.o
6
+
7
+
obj-y := setup.o idle.o or32_ksyms.o process.o dma.o \
8
+
traps.o time.o irq.o entry.o ptrace.o signal.o sys_or32.o \
9
+
sys_call_table.o
10
+
11
+
obj-$(CONFIG_MODULES) += module.o
12
+
obj-$(CONFIG_OF) += prom.o
13
+
14
+
clean:
+115
arch/openrisc/kernel/vmlinux.lds.S
+115
arch/openrisc/kernel/vmlinux.lds.S
···
1
+
/*
2
+
* OpenRISC vmlinux.lds.S
3
+
*
4
+
* Linux architectural port borrowing liberally from similar works of
5
+
* others. All original copyrights apply as per the original source
6
+
* declaration.
7
+
*
8
+
* Modifications for the OpenRISC architecture:
9
+
* Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
10
+
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11
+
*
12
+
* This program is free software; you can redistribute it and/or
13
+
* modify it under the terms of the GNU General Public License
14
+
* as published by the Free Software Foundation; either version
15
+
* 2 of the License, or (at your option) any later version.
16
+
*
17
+
* ld script for OpenRISC architecture
18
+
*/
19
+
20
+
/* TODO
21
+
* - clean up __offset & stuff
22
+
* - change all 8192 aligment to PAGE !!!
23
+
* - recheck if all aligments are really needed
24
+
*/
25
+
26
+
# define LOAD_OFFSET PAGE_OFFSET
27
+
# define LOAD_BASE PAGE_OFFSET
28
+
29
+
#include <asm/page.h>
30
+
#include <asm/cache.h>
31
+
#include <asm-generic/vmlinux.lds.h>
32
+
33
+
OUTPUT_FORMAT("elf32-or32", "elf32-or32", "elf32-or32")
34
+
jiffies = jiffies_64 + 4;
35
+
36
+
SECTIONS
37
+
{
38
+
/* Read-only sections, merged into text segment: */
39
+
. = LOAD_BASE ;
40
+
41
+
/* _s_kernel_ro must be page aligned */
42
+
. = ALIGN(PAGE_SIZE);
43
+
_s_kernel_ro = .;
44
+
45
+
.text : AT(ADDR(.text) - LOAD_OFFSET)
46
+
{
47
+
_stext = .;
48
+
TEXT_TEXT
49
+
SCHED_TEXT
50
+
LOCK_TEXT
51
+
KPROBES_TEXT
52
+
IRQENTRY_TEXT
53
+
*(.fixup)
54
+
*(.text.__*)
55
+
_etext = .;
56
+
}
57
+
/* TODO: Check if fixup and text.__* are really necessary
58
+
* fixup is definitely necessary
59
+
*/
60
+
61
+
_sdata = .;
62
+
63
+
/* Page alignment required for RO_DATA_SECTION */
64
+
RO_DATA_SECTION(PAGE_SIZE)
65
+
_e_kernel_ro = .;
66
+
67
+
/* Whatever comes after _e_kernel_ro had better be page-aligend, too */
68
+
69
+
/* 32 here is cacheline size... recheck this */
70
+
RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE)
71
+
72
+
_edata = .;
73
+
74
+
EXCEPTION_TABLE(4)
75
+
NOTES
76
+
77
+
/* Init code and data */
78
+
. = ALIGN(PAGE_SIZE);
79
+
__init_begin = .;
80
+
81
+
HEAD_TEXT_SECTION
82
+
83
+
/* Page aligned */
84
+
INIT_TEXT_SECTION(PAGE_SIZE)
85
+
86
+
/* Align __setup_start on 16 byte boundary */
87
+
INIT_DATA_SECTION(16)
88
+
89
+
PERCPU_SECTION(L1_CACHE_BYTES)
90
+
91
+
__init_end = .;
92
+
93
+
. = ALIGN(PAGE_SIZE);
94
+
.initrd : AT(ADDR(.initrd) - LOAD_OFFSET)
95
+
{
96
+
__initrd_start = .;
97
+
*(.initrd)
98
+
__initrd_end = .;
99
+
FILL (0);
100
+
. = ALIGN (PAGE_SIZE);
101
+
}
102
+
103
+
__vmlinux_end = .; /* last address of the physical file */
104
+
105
+
BSS_SECTION(0, 0, 0x20)
106
+
107
+
_end = .;
108
+
109
+
/* Throw in the debugging sections */
110
+
STABS_DEBUG
111
+
DWARF_DEBUG
112
+
113
+
/* Sections to be discarded -- must be last */
114
+
DISCARDS
115
+
}
+5
arch/openrisc/lib/Makefile
+5
arch/openrisc/lib/Makefile