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/linux-6.8/scripts/
Dget_feat.pl2 # SPDX-License-Identifier: GPL-2.0
23 # Used only at for full features output. The script will auto-adjust
35 "enable-fname" => \$enable_fname,
40 pod2usage(-exitstatus => 0, -verbose => 2) if $man;
62 print STDERR "Warning: file $file#$ln:\n\t$msg";
65 print STDERR ". Line\n\t\t$data";
67 print STDERR "\n";
80 my $h_arch = "Architecture";
97 return if ($file =~ m,($prefix)/arch-support.txt,);
98 return if (!($file =~ m,arch-support.txt$,));
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Dleaking_addresses.pl2 # SPDX-License-Identifier: GPL-2.0-only
7 # - Scans dmesg output.
8 # - Walks directory tree and parses each file (for each directory in @DIRS).
10 # Use --debug to output path before parsing, this is useful to find files that
41 # Kernel addresses vary by architecture. We can only auto-detect the following
42 # architectures (using `uname -m`). (flag --32-bit overrides auto-detection.)
55 my $opt_32bit = 0; # Scan 32-bit kernel.
56 my $page_offset_32bit = 0; # Page offset for 32-bit kernel.
61 '/proc/device-tree',
85 print << "EOM";
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/linux-6.8/scripts/package/debian/
Drules1 #!/usr/bin/make -f
2 # SPDX-License-Identifier: GPL-2.0-only
9 ifneq (,$(filter-out parallel=1,$(filter parallel=%,$(DEB_BUILD_OPTIONS))))
11 MAKEFLAGS += -j$(NUMJOBS)
14 revision = $(lastword $(subst -, ,$(shell dpkg-parsechangelog -S Version)))
15 CROSS_COMPILE ?= $(filter-out $(DEB_BUILD_GNU_TYPE)-, $(DEB_HOST_GNU_TYPE)-)
16 make-opts = ARCH=$(ARCH) KERNELRELEASE=$(KERNELRELEASE) KBUILD_BUILD_VERSION=$(revision) $(addprefi…
18 .PHONY: binary binary-indep binary-arch
19 binary: binary-arch binary-indep
20 binary-indep: build-indep
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/linux-6.8/tools/usb/usbip/
DINSTALL15 more-detailed instructions are generic; see the `README' file for
19 various system-dependent variables used during compilation. It uses
21 It may also create one or more `.h' files containing system-dependent
28 and enabled with `--cache-file=config.cache' or simply `-C') that saves
55 3. Optionally, type `make check' to run any self-tests that come with
65 also a `make maintainer-clean' target, but that is intended mainly
77 `configure' script does not know about. Run `./configure --help' for
84 ./configure CC=c99 CFLAGS=-g LIBS=-lposix
92 same time, by placing the object files for each architecture in their
98 With a non-GNU `make', it is safer to compile the package for one
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/linux-6.8/arch/powerpc/xmon/
Dppc.h1 /* ppc.h -- Header file for PowerPC opcode table
2 Copyright (C) 1994-2016 Free Software Foundation, Inc.
19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
73 /* Opcode is defined for the PowerPC architecture. */
76 /* Opcode is defined for the POWER (RS/6000) architecture. */
79 /* Opcode is defined for the POWER2 (Rios 2) architecture. */
88 (ie, compiler's -mcpu=common or assembler's -mcom). More than just
95 for the assembler's -many option, and it eliminates duplicates). */
101 /* Opcode is supported as part of the 64-bit bridge. */
116 /* Opcode is only supported by Power4 architecture. */
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/linux-6.8/Documentation/features/
Dlist-arch.sh1 # SPDX-License-Identifier: GPL-2.0
4 # of an architecture.
6 # (If no arguments are given then it will print the host architecture's status.)
9 ARCH=${1:-$(uname -m | sed 's/x86_64/x86/' | sed 's/i386/x86/')}
11 $(dirname $0)/../../scripts/get_feat.pl list --arch $ARCH
/linux-6.8/kernel/
Dpanic.c1 // SPDX-License-Identifier: GPL-2.0-only
9 * This function is used through-out the kernel (including mm and fs)
142 * Stop ourself in panic -- architecture code may override this
160 * Stop other CPUs in panic. Architecture dependent code may override this
161 * with more suitable version. For example, if the architecture supports
163 * per-CPU features such as virtualization extensions.
190 * nmi_panic_self_stop() which can provide architecture dependent code such
247 * and then performs the secondary CPUs shutdown - we cannot have
259 * and kmsg_dump, we will need architecture dependent extra in panic_other_cpus_shutdown()
270 * panic - halt the system
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/linux-6.8/tools/power/cpupower/man/
Dcpupower-idle-info.11 .TH "CPUPOWER-IDLE-INFO" "1" "0.1" "" "cpupower Manual"
4 cpupower\-idle\-info \- Utility to retrieve cpu idle kernel information
7 cpupower [ \-c cpulist ] idle\-info [\fIoptions\fP]
14 \fB\-f\fR \fB\-\-silent\fR
15 Only print a summary of all available C-states in the system.
17 \fB\-e\fR \fB\-\-proc\fR
23 .SH IDLE\-INFO DESCRIPTIONS
33 processor. This often is the case on the X86 architecture when the acpi_idle
38 cpupower monitor tool (cpupower\-monitor(1)) can be used to show real sleep
39 state residencies. Please refer to the architecture specific description
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/linux-6.8/tools/testing/selftests/rcutorture/bin/
Dkvm-get-cpus-script.sh2 # SPDX-License-Identifier: GPL-2.0+
7 # Usage: kvm-get-cpus-script.sh /path/to/cpu/arrays /path/to/put/script [ /path/to/state ]
9 # The CPU arrays are output by kvm-assign-cpus.sh, and are valid awk
13 # non-empty), and can also be output by this script.
15 cpuarrays="${1-/sys/devices/system/node}"
19 if ! test -f "$cpuarrays"
25 if ! test -d "$scriptdir" || ! test -x "$scriptdir" || ! test -w "$scriptdir"
35 if test -r "$statefile"
42 # Do we have the system architecture to guide CPU affinity?
48 # Return a comma-separated list of the next n CPUs.
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/linux-6.8/arch/openrisc/
DMakefile4 # architecture-specific flags and dependencies.
11 # Modifications for the OpenRISC architecture:
13 # Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
20 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
21 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
23 KBUILD_CFLAGS += -pipe -ffixed-r10 -D__linux__
24 KBUILD_CFLAGS += -msfimm -mshftimm
31 KBUILD_CFLAGS += $(call cc-option,-mhard-mul)
33 KBUILD_CFLAGS += $(call cc-option,-msoft-mul)
37 KBUILD_CFLAGS += $(call cc-option,-mhard-div)
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/linux-6.8/drivers/of/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
11 compile-coverage.
28 WARNING messages to print on the console. The tests will cause stack
29 traces to print on the console. It is possible that the tests will
46 current architecture.
/linux-6.8/Documentation/admin-guide/
Dkernel-parameters.rst3 The kernel's command-line parameters
12 The kernel parses parameters from the kernel command line up to "``--``";
16 Everything after "``--``" is passed as an argument to init.
32 log_buf_len=1M print-fatal-signals=1
36 log-buf-len=1M print_fatal_signals=1
38 Double-quotes can be used to protect spaces in values, e.g.::
43 ----------
52 <cpu number>-<cpu number>
57 <cpu number>,...,<cpu number>-<cpu number>
63 <cpu number>-<cpu number>:<used size>/<group size>
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/linux-6.8/Documentation/arch/x86/
Dkernel-stacks.rst1 .. SPDX-License-Identifier: GPL-2.0
7 Kernel stacks on x86-64 bit
37 per CPU interrupt nest counter. This is needed because x86-64 "IST"
48 An IST is selected by a non-zero value in the IST field of an
49 interrupt-gate descriptor. When an interrupt occurs and the hardware
53 will switch back to the per-thread stack. If software wants to allow
70 Used for interrupt 8 - Double Fault Exception (#DF).
79 Used for non-maskable interrupts (NMI).
102 Used for interrupt 18 - Machine Check Exception (#MC).
108 For more details see the Intel IA32 or AMD AMD64 architecture manuals.
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/linux-6.8/arch/x86/boot/
Dgenimage.sh12 # script for x86 architecture
15 # $1 - fdimage format
16 # $2 - target image file
17 # $3 - kernel bzImage file
18 # $4 - mtools configuration file
19 # $5 - kernel cmdline
20 # $6+ - initrd image file(s)
34 set -x
38 # Exit the top-level shell with an error
45 kill -USR1 $topshell
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/linux-6.8/Documentation/ABI/testing/
Dsysfs-bus-coresight-devices-etm4x76 Description: (Read) Indicates the number of single-shot comparator controls that
155 Description: (RW) In non-secure state, each bit controls whether instruction
290 non-secure exception levels.
303 Description: (Read) Print the current settings for the selected address
322 Description: (Read) Print the current value of the selected single shot
336 Description: (Read) Print the content of the OS Lock Status Register (0x304).
343 Description: (Read) Print the content of the Power Down Control Register
350 Description: (Read) Print the content of the Power Down Status Register
357 Description: (Read) Print the content of the SW Lock Status Register
364 Description: (Read) Print the content of the Authentication Status Register
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/linux-6.8/tools/perf/tests/
Dattr.py1 # SPDX-License-Identifier: GPL-2.0
40 return '\'%s\' - %s' % (self.test.path, self.msg)
136 # - just single instance in file
137 # - needs to specify:
138 # 'command' - perf command name
139 # 'args' - special command arguments
140 # 'ret' - Skip test if Perf doesn't exit with this value (0 by default)
141 # 'test_ret'- If set to 'true', fail test instead of skipping for 'ret' argument
142 # 'arch' - architecture specific test (optional)
145 # 'auxv' - Truthy statement that is evaled in the scope of the auxv map. When false,
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/linux-6.8/arch/hexagon/kernel/
Dkgdb.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * arch/hexagon/kernel/kgdb.c - Hexagon KGDB Support
5 * Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
18 * Keep these at three letters to pretty-print. */
92 return -EINVAL; in dbg_set_reg()
120 gdb_regs[0] = thread_regs->r00; in sleeping_thread_to_gdb_regs()
124 * kgdb_arch_handle_exception - Handle architecture specific GDB packets.
135 * they are handled here. The code should return -1 if it wants to
151 return -1; in kgdb_arch_handle_exception()
157 if (atomic_read(&kgdb_active) != -1) { in __kgdb_notify()
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/linux-6.8/tools/include/linux/
Dtypes.h1 /* SPDX-License-Identifier: GPL-2.0 */
27 * We define u64 as uint64_t for every architecture
28 * so that we can print it with "%"PRIx64 without getting warnings.
/linux-6.8/tools/testing/selftests/arm64/pauth/
DMakefile1 # SPDX-License-Identifier: GPL-2.0
9 CFLAGS += -mbranch-protection=pac-ret
11 pauth_cc_support := $(shell if ($(CC) $(CFLAGS) -march=armv8.3-a -E -x c /dev/null -o /dev/null 2>&…
25 $(CC) -c $^ -o $@ $(CFLAGS) -march=armv8.3-a
28 $(CC) -c $^ -o $@ $(CFLAGS) -march=armv8.3-a
30 # when -mbranch-protection is enabled and the target architecture is ARMv8.3 or
33 # run on earlier targets and print a meaningful error messages
35 $(CC) $^ -o $@ $(CFLAGS) -march=armv8.2-a
38 $(CC) $^ -o $@ $(CFLAGS) -march=armv8.2-a
/linux-6.8/kernel/irq/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # Options selectable by the architecture code
21 # Print level/edge extra information
59 # Generic irq_domain hw <--> linux irq number translation
74 # Support for obsolete non-mapping irq domains
124 out the interrupt descriptors in a more NUMA-friendly way. )
/linux-6.8/kernel/debug/kdb/
Dkdb_private.h5 * Kernel Debugger Architecture Independent Private Headers
11 * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
19 #define KDB_CMD_GO (-1001)
20 #define KDB_CMD_CPU (-1002)
21 #define KDB_CMD_SS (-1003)
22 #define KDB_CMD_KGDB (-1005)
67 * supported by this architecture.
129 #define KDB_STATE_REENTRY 0x00000100 /* Valid re-entry into kdb */
177 KDB_DB_SS, /* Single-step trap */
205 #define KDB_SP_VALUE 0x0008 /* Print the value of the address */
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/linux-6.8/arch/arm64/include/asm/
Dacpi.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2013-2014, Linaro Ltd.
40 (!(entry) || (entry)->header.length < ACPI_MADT_GICC_MIN_LENGTH || \
41 (unsigned long)(entry) + (entry)->header.length > (end))
50 * Table 2: Arm Architecture context loss flags
78 #define acpi_strict 1 /* No out-of-spec workarounds on ARM64 */
107 * obtained from GICC with 0 and not print some error message as well.
119 return acpi_cpu_get_madt_gicc(cpu)->uid; in get_acpi_id_for_cpu()
127 static inline int apei_claim_sea(struct pt_regs *regs) { return -ENOENT; } in apei_claim_sea()
147 return "parking-protocol"; in acpi_get_enable_method()
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/linux-6.8/scripts/dtc/
Ddtx_diff2 # SPDX-License-Identifier: GPL-2.0-only
22 --annotate synonym for -T
23 --color synonym for -c (requires diff with --color support)
24 -c enable colored output
25 -f print full dts in diff (--unified=99999)
26 -h synonym for --help
27 -help synonym for --help
28 --help print this message and exit
29 -s SRCTREE linux kernel source tree is at path SRCTREE
31 -S linux kernel source tree is at root of current git repo
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/linux-6.8/arch/nios2/
DMakefile11 # architecture-specific flags and dependencies.
22 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
24 KBUILD_AFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION)
26 KBUILD_CFLAGS += -pipe -D__linux__ -D__ELF__
27 KBUILD_CFLAGS += -march=r$(CONFIG_NIOS2_ARCH_REVISION)
28 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MUL_SUPPORT),-mhw-mul,-mno-hw-mul)
29 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_MULX_SUPPORT),-mhw-mulx,-mno-hw-mulx)
30 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_HW_DIV_SUPPORT),-mhw-div,-mno-hw-div)
31 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_BMX_SUPPORT),-mbmx,-mno-bmx)
32 KBUILD_CFLAGS += $(if $(CONFIG_NIOS2_CDX_SUPPORT),-mcdx,-mno-cdx)
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/linux-6.8/arch/arm/
DMakefile5 # architecture-specific flags and dependencies.
11 # Copyright (C) 1995-2001 by Russell King
13 LDFLAGS_vmlinux := --no-undefined -X --pic-veneer -z norelro
15 LDFLAGS_vmlinux += --be8
16 KBUILD_LDFLAGS_MODULE += --be8
19 GZFLAGS :=-9
20 #KBUILD_CFLAGS +=-pipe
23 KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm)
26 KBUILD_CFLAGS += $(call cc-option,-mno-fdpic)
33 MMUEXT := -nommu
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