tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
arm64: Build infrastructure
This patch adds Makefile and Kconfig files required for building an
AArch64 kernel.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
+654
-3
+222
arch/arm64/Kconfig
+222
arch/arm64/Kconfig
···
1
+
config ARM64
2
+
def_bool y
3
+
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
4
+
select GENERIC_CLOCKEVENTS
5
+
select GENERIC_HARDIRQS_NO_DEPRECATED
6
+
select GENERIC_IOMAP
7
+
select GENERIC_IRQ_PROBE
8
+
select GENERIC_IRQ_SHOW
9
+
select GENERIC_SMP_IDLE_THREAD
10
+
select GENERIC_TIME_VSYSCALL
11
+
select HARDIRQS_SW_RESEND
12
+
select HAVE_ARCH_TRACEHOOK
13
+
select HAVE_DMA_API_DEBUG
14
+
select HAVE_DMA_ATTRS
15
+
select HAVE_GENERIC_DMA_COHERENT
16
+
select HAVE_GENERIC_HARDIRQS
17
+
select HAVE_HW_BREAKPOINT if PERF_EVENTS
18
+
select HAVE_IRQ_WORK
19
+
select HAVE_MEMBLOCK
20
+
select HAVE_PERF_EVENTS
21
+
select HAVE_SPARSE_IRQ
22
+
select IRQ_DOMAIN
23
+
select NO_BOOTMEM
24
+
select OF
25
+
select OF_EARLY_FLATTREE
26
+
select PERF_USE_VMALLOC
27
+
select RTC_LIB
28
+
select SPARSE_IRQ
29
+
help
30
+
ARM 64-bit (AArch64) Linux support.
31
+
32
+
config 64BIT
33
+
def_bool y
34
+
35
+
config ARCH_PHYS_ADDR_T_64BIT
36
+
def_bool y
37
+
38
+
config MMU
39
+
def_bool y
40
+
41
+
config NO_IOPORT
42
+
def_bool y
43
+
44
+
config STACKTRACE_SUPPORT
45
+
def_bool y
46
+
47
+
config LOCKDEP_SUPPORT
48
+
def_bool y
49
+
50
+
config TRACE_IRQFLAGS_SUPPORT
51
+
def_bool y
52
+
53
+
config GENERIC_LOCKBREAK
54
+
def_bool y
55
+
depends on SMP && PREEMPT
56
+
57
+
config RWSEM_GENERIC_SPINLOCK
58
+
def_bool y
59
+
60
+
config GENERIC_HWEIGHT
61
+
def_bool y
62
+
63
+
config GENERIC_CSUM
64
+
def_bool y
65
+
66
+
config GENERIC_CALIBRATE_DELAY
67
+
def_bool y
68
+
69
+
config ZONE_DMA32
70
+
def_bool y
71
+
72
+
config ARCH_DMA_ADDR_T_64BIT
73
+
def_bool y
74
+
75
+
config NEED_DMA_MAP_STATE
76
+
def_bool y
77
+
78
+
config NEED_SG_DMA_LENGTH
79
+
def_bool y
80
+
81
+
config SWIOTLB
82
+
def_bool y
83
+
84
+
config IOMMU_HELPER
85
+
def_bool SWIOTLB
86
+
87
+
source "init/Kconfig"
88
+
89
+
source "kernel/Kconfig.freezer"
90
+
91
+
menu "System Type"
92
+
93
+
endmenu
94
+
95
+
menu "Bus support"
96
+
97
+
config ARM_AMBA
98
+
bool
99
+
100
+
endmenu
101
+
102
+
menu "Kernel Features"
103
+
104
+
source "kernel/time/Kconfig"
105
+
106
+
config ARM64_64K_PAGES
107
+
bool "Enable 64KB pages support"
108
+
help
109
+
This feature enables 64KB pages support (4KB by default)
110
+
allowing only two levels of page tables and faster TLB
111
+
look-up. AArch32 emulation is not available when this feature
112
+
is enabled.
113
+
114
+
config SMP
115
+
bool "Symmetric Multi-Processing"
116
+
select USE_GENERIC_SMP_HELPERS
117
+
help
118
+
This enables support for systems with more than one CPU. If
119
+
you say N here, the kernel will run on single and
120
+
multiprocessor machines, but will use only one CPU of a
121
+
multiprocessor machine. If you say Y here, the kernel will run
122
+
on many, but not all, single processor machines. On a single
123
+
processor machine, the kernel will run faster if you say N
124
+
here.
125
+
126
+
If you don't know what to do here, say N.
127
+
128
+
config NR_CPUS
129
+
int "Maximum number of CPUs (2-32)"
130
+
range 2 32
131
+
depends on SMP
132
+
default "4"
133
+
134
+
source kernel/Kconfig.preempt
135
+
136
+
config HZ
137
+
int
138
+
default 100
139
+
140
+
config ARCH_HAS_HOLES_MEMORYMODEL
141
+
def_bool y if SPARSEMEM
142
+
143
+
config ARCH_SPARSEMEM_ENABLE
144
+
def_bool y
145
+
select SPARSEMEM_VMEMMAP_ENABLE
146
+
147
+
config ARCH_SPARSEMEM_DEFAULT
148
+
def_bool ARCH_SPARSEMEM_ENABLE
149
+
150
+
config ARCH_SELECT_MEMORY_MODEL
151
+
def_bool ARCH_SPARSEMEM_ENABLE
152
+
153
+
config HAVE_ARCH_PFN_VALID
154
+
def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
155
+
156
+
config HW_PERF_EVENTS
157
+
bool "Enable hardware performance counter support for perf events"
158
+
depends on PERF_EVENTS
159
+
default y
160
+
help
161
+
Enable hardware performance counter support for perf events. If
162
+
disabled, perf events will use software events only.
163
+
164
+
source "mm/Kconfig"
165
+
166
+
endmenu
167
+
168
+
menu "Boot options"
169
+
170
+
config CMDLINE
171
+
string "Default kernel command string"
172
+
default ""
173
+
help
174
+
Provide a set of default command-line options at build time by
175
+
entering them here. As a minimum, you should specify the the
176
+
root device (e.g. root=/dev/nfs).
177
+
178
+
config CMDLINE_FORCE
179
+
bool "Always use the default kernel command string"
180
+
help
181
+
Always use the default kernel command string, even if the boot
182
+
loader passes other arguments to the kernel.
183
+
This is useful if you cannot or don't want to change the
184
+
command-line options your boot loader passes to the kernel.
185
+
186
+
endmenu
187
+
188
+
menu "Userspace binary formats"
189
+
190
+
source "fs/Kconfig.binfmt"
191
+
192
+
config COMPAT
193
+
bool "Kernel support for 32-bit EL0"
194
+
depends on !ARM64_64K_PAGES
195
+
select COMPAT_BINFMT_ELF
196
+
help
197
+
This option enables support for a 32-bit EL0 running under a 64-bit
198
+
kernel at EL1. AArch32-specific components such as system calls,
199
+
the user helper functions, VFP support and the ptrace interface are
200
+
handled appropriately by the kernel.
201
+
202
+
If you want to execute 32-bit userspace applications, say Y.
203
+
204
+
config SYSVIPC_COMPAT
205
+
def_bool y
206
+
depends on COMPAT && SYSVIPC
207
+
208
+
endmenu
209
+
210
+
source "net/Kconfig"
211
+
212
+
source "drivers/Kconfig"
213
+
214
+
source "fs/Kconfig"
215
+
216
+
source "arch/arm64/Kconfig.debug"
217
+
218
+
source "security/Kconfig"
219
+
220
+
source "crypto/Kconfig"
221
+
222
+
source "lib/Kconfig"
+27
arch/arm64/Kconfig.debug
+27
arch/arm64/Kconfig.debug
···
1
+
menu "Kernel hacking"
2
+
3
+
source "lib/Kconfig.debug"
4
+
5
+
config FRAME_POINTER
6
+
bool
7
+
default y
8
+
9
+
config DEBUG_ERRORS
10
+
bool "Verbose kernel error messages"
11
+
depends on DEBUG_KERNEL
12
+
help
13
+
This option controls verbose debugging information which can be
14
+
printed when the kernel detects an internal error. This debugging
15
+
information is useful to kernel hackers when tracking down problems,
16
+
but mostly meaningless to other people. It's safe to say Y unless
17
+
you are concerned with the code size or don't want to see these
18
+
messages.
19
+
20
+
config DEBUG_STACK_USAGE
21
+
bool "Enable stack utilization instrumentation"
22
+
depends on DEBUG_KERNEL
23
+
help
24
+
Enables the display of the minimum amount of free stack which each
25
+
task has ever had available in the sysrq-T output.
26
+
27
+
endmenu
+71
arch/arm64/Makefile
+71
arch/arm64/Makefile
···
1
+
#
2
+
# arch/arm64/Makefile
3
+
#
4
+
# This file is included by the global makefile so that you can add your own
5
+
# architecture-specific flags and dependencies.
6
+
#
7
+
# This file is subject to the terms and conditions of the GNU General Public
8
+
# License. See the file "COPYING" in the main directory of this archive
9
+
# for more details.
10
+
#
11
+
# Copyright (C) 1995-2001 by Russell King
12
+
13
+
LDFLAGS_vmlinux :=-p --no-undefined -X
14
+
CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
15
+
OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment -S
16
+
GZFLAGS :=-9
17
+
18
+
LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
19
+
20
+
KBUILD_DEFCONFIG := defconfig
21
+
22
+
KBUILD_CFLAGS += -mgeneral-regs-only
23
+
KBUILD_CPPFLAGS += -mlittle-endian
24
+
AS += -EL
25
+
LD += -EL
26
+
27
+
comma = ,
28
+
29
+
CHECKFLAGS += -D__aarch64__
30
+
31
+
# Default value
32
+
head-y := arch/arm64/kernel/head.o
33
+
34
+
# The byte offset of the kernel image in RAM from the start of RAM.
35
+
TEXT_OFFSET := 0x00080000
36
+
37
+
export TEXT_OFFSET GZFLAGS
38
+
39
+
core-y += arch/arm64/kernel/ arch/arm64/mm/
40
+
libs-y := arch/arm64/lib/ $(libs-y)
41
+
libs-y += $(LIBGCC)
42
+
43
+
# Default target when executing plain make
44
+
KBUILD_IMAGE := Image.gz
45
+
46
+
all: $(KBUILD_IMAGE)
47
+
48
+
boot := arch/arm64/boot
49
+
50
+
Image Image.gz: vmlinux
51
+
$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
52
+
53
+
zinstall install: vmlinux
54
+
$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
55
+
56
+
%.dtb:
57
+
$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@
58
+
59
+
# We use MRPROPER_FILES and CLEAN_FILES now
60
+
archclean:
61
+
$(Q)$(MAKE) $(clean)=$(boot)
62
+
63
+
define archhelp
64
+
echo '* Image.gz - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)'
65
+
echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
66
+
echo ' install - Install uncompressed kernel'
67
+
echo ' zinstall - Install compressed kernel'
68
+
echo ' Install using (your) ~/bin/installkernel or'
69
+
echo ' (distribution) /sbin/installkernel or'
70
+
echo ' install to $$(INSTALL_PATH) and run lilo'
71
+
endef
+36
arch/arm64/boot/Makefile
+36
arch/arm64/boot/Makefile
···
1
+
#
2
+
# arch/arm64/boot/Makefile
3
+
#
4
+
# This file is included by the global makefile so that you can add your own
5
+
# architecture-specific flags and dependencies.
6
+
#
7
+
# This file is subject to the terms and conditions of the GNU General Public
8
+
# License. See the file "COPYING" in the main directory of this archive
9
+
# for more details.
10
+
#
11
+
# Copyright (C) 2012, ARM Ltd.
12
+
# Author: Will Deacon <will.deacon@arm.com>
13
+
#
14
+
# Based on the ia64 boot/Makefile.
15
+
#
16
+
17
+
targets := Image Image.gz
18
+
19
+
$(obj)/Image: vmlinux FORCE
20
+
$(call if_changed,objcopy)
21
+
22
+
$(obj)/Image.gz: $(obj)/Image FORCE
23
+
$(call if_changed,gzip)
24
+
25
+
$(obj)/%.dtb: $(src)/dts/%.dts
26
+
$(call cmd,dtc)
27
+
28
+
install: $(obj)/Image
29
+
$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
30
+
$(obj)/Image System.map "$(INSTALL_PATH)"
31
+
32
+
zinstall: $(obj)/Image.gz
33
+
$(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \
34
+
$(obj)/Image.gz System.map "$(INSTALL_PATH)"
35
+
36
+
clean-files += *.dtb
+46
arch/arm64/boot/install.sh
+46
arch/arm64/boot/install.sh
···
1
+
#!/bin/sh
2
+
#
3
+
# arch/arm64/boot/install.sh
4
+
#
5
+
# This file is subject to the terms and conditions of the GNU General Public
6
+
# License. See the file "COPYING" in the main directory of this archive
7
+
# for more details.
8
+
#
9
+
# Copyright (C) 1995 by Linus Torvalds
10
+
#
11
+
# Adapted from code in arch/i386/boot/Makefile by H. Peter Anvin
12
+
# Adapted from code in arch/i386/boot/install.sh by Russell King
13
+
#
14
+
# "make install" script for the AArch64 Linux port
15
+
#
16
+
# Arguments:
17
+
# $1 - kernel version
18
+
# $2 - kernel image file
19
+
# $3 - kernel map file
20
+
# $4 - default install path (blank if root directory)
21
+
#
22
+
23
+
# User may have a custom install script
24
+
if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi
25
+
if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi
26
+
27
+
if [ "$(basename $2)" = "Image.gz" ]; then
28
+
# Compressed install
29
+
echo "Installing compressed kernel"
30
+
base=vmlinuz
31
+
else
32
+
# Normal install
33
+
echo "Installing normal kernel"
34
+
base=vmlinux
35
+
fi
36
+
37
+
if [ -f $4/$base-$1 ]; then
38
+
mv $4/$base-$1 $4/$base-$1.old
39
+
fi
40
+
cat $2 > $4/$base-$1
41
+
42
+
# Install system map file
43
+
if [ -f $4/System.map-$1 ]; then
44
+
mv $4/System.map-$1 $4/System.map-$1.old
45
+
fi
46
+
cp $3 $4/System.map-$1
+85
arch/arm64/configs/defconfig
+85
arch/arm64/configs/defconfig
···
1
+
CONFIG_EXPERIMENTAL=y
2
+
# CONFIG_LOCALVERSION_AUTO is not set
3
+
# CONFIG_SWAP is not set
4
+
CONFIG_SYSVIPC=y
5
+
CONFIG_POSIX_MQUEUE=y
6
+
CONFIG_BSD_PROCESS_ACCT=y
7
+
CONFIG_BSD_PROCESS_ACCT_V3=y
8
+
CONFIG_NO_HZ=y
9
+
CONFIG_HIGH_RES_TIMERS=y
10
+
CONFIG_IKCONFIG=y
11
+
CONFIG_IKCONFIG_PROC=y
12
+
CONFIG_LOG_BUF_SHIFT=14
13
+
# CONFIG_UTS_NS is not set
14
+
# CONFIG_IPC_NS is not set
15
+
# CONFIG_PID_NS is not set
16
+
# CONFIG_NET_NS is not set
17
+
CONFIG_SCHED_AUTOGROUP=y
18
+
CONFIG_BLK_DEV_INITRD=y
19
+
CONFIG_KALLSYMS_ALL=y
20
+
# CONFIG_COMPAT_BRK is not set
21
+
CONFIG_PROFILING=y
22
+
CONFIG_MODULES=y
23
+
CONFIG_MODULE_UNLOAD=y
24
+
# CONFIG_BLK_DEV_BSG is not set
25
+
# CONFIG_IOSCHED_DEADLINE is not set
26
+
CONFIG_SMP=y
27
+
CONFIG_PREEMPT_VOLUNTARY=y
28
+
CONFIG_CMDLINE="console=ttyAMA0"
29
+
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
30
+
CONFIG_COMPAT=y
31
+
CONFIG_NET=y
32
+
CONFIG_PACKET=y
33
+
CONFIG_UNIX=y
34
+
CONFIG_INET=y
35
+
CONFIG_IP_PNP=y
36
+
CONFIG_IP_PNP_DHCP=y
37
+
CONFIG_IP_PNP_BOOTP=y
38
+
# CONFIG_INET_LRO is not set
39
+
# CONFIG_IPV6 is not set
40
+
# CONFIG_WIRELESS is not set
41
+
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
42
+
CONFIG_DEVTMPFS=y
43
+
# CONFIG_BLK_DEV is not set
44
+
CONFIG_SCSI=y
45
+
# CONFIG_SCSI_PROC_FS is not set
46
+
CONFIG_BLK_DEV_SD=y
47
+
# CONFIG_SCSI_LOWLEVEL is not set
48
+
CONFIG_NETDEVICES=y
49
+
CONFIG_MII=y
50
+
# CONFIG_WLAN is not set
51
+
CONFIG_INPUT_EVDEV=y
52
+
# CONFIG_SERIO_I8042 is not set
53
+
# CONFIG_SERIO_SERPORT is not set
54
+
CONFIG_LEGACY_PTY_COUNT=16
55
+
# CONFIG_HW_RANDOM is not set
56
+
# CONFIG_HWMON is not set
57
+
CONFIG_FB=y
58
+
# CONFIG_VGA_CONSOLE is not set
59
+
CONFIG_FRAMEBUFFER_CONSOLE=y
60
+
CONFIG_LOGO=y
61
+
# CONFIG_LOGO_LINUX_MONO is not set
62
+
# CONFIG_LOGO_LINUX_VGA16 is not set
63
+
# CONFIG_USB_SUPPORT is not set
64
+
# CONFIG_IOMMU_SUPPORT is not set
65
+
CONFIG_EXT2_FS=y
66
+
CONFIG_EXT3_FS=y
67
+
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
68
+
# CONFIG_EXT3_FS_XATTR is not set
69
+
CONFIG_FUSE_FS=y
70
+
CONFIG_CUSE=y
71
+
CONFIG_VFAT_FS=y
72
+
CONFIG_TMPFS=y
73
+
# CONFIG_MISC_FILESYSTEMS is not set
74
+
CONFIG_NFS_FS=y
75
+
CONFIG_ROOT_NFS=y
76
+
CONFIG_NLS_CODEPAGE_437=y
77
+
CONFIG_NLS_ISO8859_1=y
78
+
CONFIG_MAGIC_SYSRQ=y
79
+
CONFIG_DEBUG_FS=y
80
+
CONFIG_DEBUG_KERNEL=y
81
+
# CONFIG_SCHED_DEBUG is not set
82
+
CONFIG_DEBUG_INFO=y
83
+
# CONFIG_FTRACE is not set
84
+
CONFIG_ATOMIC64_SELFTEST=y
85
+
CONFIG_DEBUG_ERRORS=y
+1
arch/arm64/include/asm/prom.h
+1
arch/arm64/include/asm/prom.h
···
1
+
/* Empty for now */
+1
arch/arm64/kernel/.gitignore
+1
arch/arm64/kernel/.gitignore
···
1
+
vmlinux.lds
+27
arch/arm64/kernel/Makefile
+27
arch/arm64/kernel/Makefile
···
1
+
#
2
+
# Makefile for the linux kernel.
3
+
#
4
+
5
+
CPPFLAGS_vmlinux.lds := -DTEXT_OFFSET=$(TEXT_OFFSET)
6
+
AFLAGS_head.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
7
+
8
+
# Object file lists.
9
+
arm64-obj-y := cputable.o debug-monitors.o entry.o irq.o fpsimd.o \
10
+
entry-fpsimd.o process.o ptrace.o setup.o signal.o \
11
+
sys.o stacktrace.o time.o traps.o io.o vdso.o
12
+
13
+
arm64-obj-$(CONFIG_COMPAT) += sys32.o kuser32.o signal32.o \
14
+
sys_compat.o
15
+
arm64-obj-$(CONFIG_MODULES) += arm64ksyms.o module.o
16
+
arm64-obj-$(CONFIG_SMP) += smp.o
17
+
arm64-obj-$(CONFIG_HW_PERF_EVENTS) += perf_event.o
18
+
arm64-obj-$(CONFIG_HAVE_HW_BREAKPOINT)+= hw_breakpoint.o
19
+
20
+
obj-y += $(arm64-obj-y) vdso/
21
+
obj-m += $(arm64-obj-m)
22
+
head-y := head.o
23
+
extra-y := $(head-y) vmlinux.lds
24
+
25
+
# vDSO - this must be built first to generate the symbol offsets
26
+
$(call objectify,$(arm64-obj-y)): $(obj)/vdso/vdso-offsets.h
27
+
$(obj)/vdso/vdso-offsets.h: $(obj)/vdso
+126
arch/arm64/kernel/vmlinux.lds.S
+126
arch/arm64/kernel/vmlinux.lds.S
···
1
+
/*
2
+
* ld script to make ARM Linux kernel
3
+
* taken from the i386 version by Russell King
4
+
* Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
5
+
*/
6
+
7
+
#include <asm-generic/vmlinux.lds.h>
8
+
#include <asm/thread_info.h>
9
+
#include <asm/memory.h>
10
+
#include <asm/page.h>
11
+
12
+
#define ARM_EXIT_KEEP(x)
13
+
#define ARM_EXIT_DISCARD(x) x
14
+
15
+
OUTPUT_ARCH(aarch64)
16
+
ENTRY(stext)
17
+
18
+
jiffies = jiffies_64;
19
+
20
+
SECTIONS
21
+
{
22
+
/*
23
+
* XXX: The linker does not define how output sections are
24
+
* assigned to input sections when there are multiple statements
25
+
* matching the same input section name. There is no documented
26
+
* order of matching.
27
+
*/
28
+
/DISCARD/ : {
29
+
ARM_EXIT_DISCARD(EXIT_TEXT)
30
+
ARM_EXIT_DISCARD(EXIT_DATA)
31
+
EXIT_CALL
32
+
*(.discard)
33
+
*(.discard.*)
34
+
}
35
+
36
+
. = PAGE_OFFSET + TEXT_OFFSET;
37
+
38
+
.head.text : {
39
+
_text = .;
40
+
HEAD_TEXT
41
+
}
42
+
.text : { /* Real text segment */
43
+
_stext = .; /* Text and read-only data */
44
+
*(.smp.pen.text)
45
+
__exception_text_start = .;
46
+
*(.exception.text)
47
+
__exception_text_end = .;
48
+
IRQENTRY_TEXT
49
+
TEXT_TEXT
50
+
SCHED_TEXT
51
+
LOCK_TEXT
52
+
*(.fixup)
53
+
*(.gnu.warning)
54
+
. = ALIGN(16);
55
+
*(.got) /* Global offset table */
56
+
}
57
+
58
+
RO_DATA(PAGE_SIZE)
59
+
60
+
_etext = .; /* End of text and rodata section */
61
+
62
+
. = ALIGN(PAGE_SIZE);
63
+
__init_begin = .;
64
+
65
+
INIT_TEXT_SECTION(8)
66
+
.exit.text : {
67
+
ARM_EXIT_KEEP(EXIT_TEXT)
68
+
}
69
+
. = ALIGN(16);
70
+
.init.data : {
71
+
INIT_DATA
72
+
INIT_SETUP(16)
73
+
INIT_CALLS
74
+
CON_INITCALL
75
+
SECURITY_INITCALL
76
+
INIT_RAM_FS
77
+
}
78
+
.exit.data : {
79
+
ARM_EXIT_KEEP(EXIT_DATA)
80
+
}
81
+
82
+
PERCPU_SECTION(64)
83
+
84
+
__init_end = .;
85
+
. = ALIGN(THREAD_SIZE);
86
+
__data_loc = .;
87
+
88
+
.data : AT(__data_loc) {
89
+
_data = .; /* address in memory */
90
+
_sdata = .;
91
+
92
+
/*
93
+
* first, the init task union, aligned
94
+
* to an 8192 byte boundary.
95
+
*/
96
+
INIT_TASK_DATA(THREAD_SIZE)
97
+
NOSAVE_DATA
98
+
CACHELINE_ALIGNED_DATA(64)
99
+
READ_MOSTLY_DATA(64)
100
+
101
+
/*
102
+
* The exception fixup table (might need resorting at runtime)
103
+
*/
104
+
. = ALIGN(32);
105
+
__start___ex_table = .;
106
+
*(__ex_table)
107
+
__stop___ex_table = .;
108
+
109
+
/*
110
+
* and the usual data section
111
+
*/
112
+
DATA_DATA
113
+
CONSTRUCTORS
114
+
115
+
_edata = .;
116
+
}
117
+
_edata_loc = __data_loc + SIZEOF(.data);
118
+
119
+
NOTES
120
+
121
+
BSS_SECTION(0, 0, 0)
122
+
_end = .;
123
+
124
+
STABS_DEBUG
125
+
.comment 0 : { *(.comment) }
126
+
}
+4
arch/arm64/mm/Makefile
+4
arch/arm64/mm/Makefile
+2
-1
init/Kconfig
+2
-1
init/Kconfig
···
1153
1153
1154
1154
config UID16
1155
1155
bool "Enable 16-bit UID system calls" if EXPERT
1156
-
depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION)
1156
+
depends on ARM || BLACKFIN || CRIS || FRV || H8300 || X86_32 || M68K || (S390 && !64BIT) || SUPERH || SPARC32 || (SPARC64 && COMPAT) || UML || (X86_64 && IA32_EMULATION) \
1157
+
|| AARCH32_EMULATION
1157
1158
default y
1158
1159
help
1159
1160
This enables the legacy 16-bit UID syscall wrappers.
+4
-2
lib/Kconfig.debug
+4
-2
lib/Kconfig.debug
···
452
452
config DEBUG_KMEMLEAK
453
453
bool "Kernel memory leak detector"
454
454
depends on DEBUG_KERNEL && EXPERIMENTAL && \
455
-
(X86 || ARM || PPC || MIPS || S390 || SPARC64 || SUPERH || MICROBLAZE || TILE)
455
+
(X86 || ARM || PPC || MIPS || S390 || SPARC64 || SUPERH || \
456
+
MICROBLAZE || TILE || ARM64)
456
457
457
458
select DEBUG_FS
458
459
select STACKTRACE if STACKTRACE_SUPPORT
···
740
739
bool "Verbose BUG() reporting (adds 70K)" if DEBUG_KERNEL && EXPERT
741
740
depends on BUG
742
741
depends on ARM || AVR32 || M32R || M68K || SPARC32 || SPARC64 || \
743
-
FRV || SUPERH || GENERIC_BUG || BLACKFIN || MN10300 || TILE
742
+
FRV || SUPERH || GENERIC_BUG || BLACKFIN || MN10300 || \
743
+
TILE || ARM64
744
744
default y
745
745
help
746
746
Say Y here to make BUG() panics output the file name and line number