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/linux-5.10/Documentation/devicetree/bindings/arm/
Dpmu.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mark Rutland <mark.rutland@arm.com>
11 - Will Deacon <will.deacon@arm.com>
16 representation in the device tree should be done as under:-
21 - enum:
22 - apm,potenza-pmu
23 - arm,armv8-pmuv3 # Only for s/w models
24 - arm,arm1136-pmu
[all …]
/linux-5.10/Documentation/devicetree/bindings/timer/
Darm,arch_timer.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Marc Zyngier <marc.zyngier@arm.com>
11 - Mark Rutland <mark.rutland@arm.com>
13 ARM cores may have a per-core architected timer, which provides per-cpu timers,
17 The per-core architected timer is attached to a GIC to deliver its
18 per-processor interrupts via PPIs. The memory mapped timer is attached to a GIC
24 - items:
25 - enum:
[all …]
/linux-5.10/Documentation/arm/
Dmarvel.rst13 ------------
16 - 88F5082
17 - 88F5181
18 - 88F5181L
19 - 88F5182
21 … - Datasheet: http://www.embeddedarm.com/documentation/third-party/MV88F5182-datasheet.pdf
22 …- Programmer's User Guide: http://www.embeddedarm.com/documentation/third-party/MV88F5182-opensour…
23 … - User Manual: http://www.embeddedarm.com/documentation/third-party/MV88F5182-usermanual.pdf
24 - 88F5281
26 …- Datasheet: http://www.ocmodshop.com/images/reviews/networking/qnap_ts409u/marvel_88f5281_data_sh…
[all …]
Dkernel_mode_neon.rst6 -------------
10 '-march=armv7-a -mfpu=neon -mfloat-abi=softfp'
18 ------------
25 non-preemptible section for reasons outlined below.
29 -------------------------
50 ----------------------------
67 --------------------
69 like IEEE-754 compliant underflow handling etc. When the VFP unit needs such
80 ---------------------------------------
84 instructions of its own at -O3 level if -mfpu=neon is selected, and even if the
[all …]
/linux-5.10/arch/arm/mm/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
17 A 32-bit RISC microprocessor based on the ARM7 processor core
36 A 32-bit RISC processor with 8kByte Cache, Write Buffer and
53 A 32-bit RISC processor with 8KB cache or 4KB variants,
69 A 32-bit RISC microprocessor based on the ARM9 processor core
182 ARM940T is a member of the ARM9TDMI family of general-
184 instruction and 4KB data cases, each with a 4-word line
190 # ARM946E-S
201 ARM946E-S is a member of the ARM9E-S family of high-
202 performance, 32-bit system-on-chip processor solutions.
[all …]
Dproc-v7.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * linux/arch/arm/mm/proc-v7.S
7 * This is the "shell" of the ARMv7 processor support.
9 #include <linux/arm-smccc.h>
14 #include <asm/asm-offsets.h>
16 #include <asm/pgtable-hwdef.h>
19 #include "proc-macros.S"
22 #include "proc-v7-3level.S"
24 #include "proc-v7-2level.S"
46 * - loc - location to jump to for soft reset
[all …]
Dpmsa-v7.c52 /* Data-side / unified region attributes */
76 /* Optional instruction-side region attributes */
78 /* I-side Region access control register */
84 /* I-side Region size register */
90 /* I-side Region base address register */
108 /* Data-side / unified region attributes */
137 /* ARMv7-M only supports a unified MPU, so I-side operations are nop */
149 phys_addr_t abase = base & ~(size - 1); in try_split_region()
150 phys_addr_t asize = base + size - abase; in try_split_region()
157 bdiff = base - abase; in try_split_region()
[all …]
Dalignment.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Modifications for ARM processor (c) 1995-2001 Russell King
8 * - Adapted from gdb/sim/arm/thumbemu.c -- Thumb instruction emulation.
32 * 32-bit misaligned trap handler (c) 1998 San Mehat (CCC) -July 1998
52 #define LDSTHD_I_BIT(i) (i & (1 << 22)) /* double/half-word immed */
72 /* Thumb-2 32 bit format per ARMv7 DDI0406A A6.3, either f800h,e800h,f800h */
107 * CPUs since we spin re-faulting the instruction without in safe_usermode()
158 return -EFAULT; in alignment_proc_write()
160 ai_usermode = safe_usermode(mode - '0', true); in alignment_proc_write()
330 offset.un = -offset.un; in do_alignment_finish_ldst()
[all …]
/linux-5.10/Documentation/trace/coresight/
Dcoresight-cpu-debug.rst9 ------------
11 Coresight CPU debug module is defined in ARMv8-a architecture reference manual
13 debug module and it is mainly used for two modes: self-hosted debug and
16 explore debugging method which rely on self-hosted debug mode, this document
19 The debug module provides sample-based profiling extension, which can be used
21 every CPU has one dedicated debug module to be connected. Based on self-hosted
29 --------------
31 - During driver registration, it uses EDDEVID and EDDEVID1 - two device ID
32 registers to decide if sample-based profiling is implemented or not. On some
36 - At the time this documentation was written, the debug driver mainly relies on
[all …]
/linux-5.10/arch/arm/include/asm/
Dcacheflush.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 1999-2002 Russell King
12 #include <asm/glue-cache.h>
17 #define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT)
29 * The arch/arm/mm/cache-*.S and arch/arm/mm/proc-*.S files
35 * See Documentation/core-api/cachetlb.rst for more information.
37 * effects are cache-type (VIVT/VIPT/PIPT) specific.
42 * Currently only needed for cache-v6.S and cache-v7.S, see
52 * inner shareable and invalidate the I-cache.
65 * - start - user start address (inclusive, page aligned)
[all …]
Dbitops.h1 /* SPDX-License-Identifier: GPL-2.0 */
123 #include <asm-generic/bitops/non-atomic.h>
126 * A note about Endian-ness.
127 * -------------------------
132 * ------------ physical data bus bits -----------
137 * This means that reading a 32-bit word at address 0 returns the same
147 * Note that bit 0 is defined to be 32-bit word bit 0, not byte 0 bit 0.
151 * Native endian assembly bitops. nr = 0 -> word 0 bit 0.
161 * Little endian assembly bitops. nr = 0 -> byte 0 bit 0.
169 * Big endian assembly bitops. nr = 0 -> byte 3 bit 0.
[all …]
/linux-5.10/arch/arm/common/
Dsecure_cntvoff.S1 /* SPDX-License-Identifier: GPL-2.0 */
13 .arch armv7-a
15 * CNTVOFF has to be initialized either from non-secure Hypervisor
23 mcr p15, 0, r0, c1, c1, 0 /* Set Non Secure bit */
/linux-5.10/tools/perf/util/
Dcs-etm.h1 /* SPDX-License-Identifier: GPL-2.0 */
21 /* PMU->type (32 bit), total # of CPUs (32 bit) */
61 * table 7-12 Encoding of Exception[3:0] for non-ARMv7-M processors.
83 * table 6-12 Possible values for the TYPE field in an Exception instruction
84 * trace packet, for ARMv7-A/R and ARMv8-A/R PEs.
139 * When working with per-thread scenarios the process under trace can
188 return -1; in cs_etm__process_auxtrace_info()
194 return -1; in cs_etm__get_cpu()
202 return -1; in cs_etm__etmq_set_tid()
/linux-5.10/drivers/iommu/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
2 # The IOVA library may also be used by non-IOMMU_API users
6 # The IOASID library may also be used by non-IOMMU_API users
33 bool "ARMv7/v8 Long Descriptor Format"
39 sizes at both stage-1 and stage-2, as well as address spaces
40 up to 48-bits in size.
46 Enable self-tests for LPAE page table allocator. This performs
47 a series of page-table consistency checks during boot.
52 bool "ARMv7/v8 Short Descriptor Format"
56 Enable support for the ARM Short-descriptor pagetable format.
[all …]
/linux-5.10/arch/arm/mach-omap2/
Domap-headsmp.S1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2009-2014 Texas Instruments, Inc.
58 .arch armv7-a
113 * bit 1 == Non-Secure Enable
114 * The Non-Secure banked register has not changed
116 * GIC restoration will cause a problem to CPU0 Non-Secure SW.
120 * 2) CPU1 must re-enable the GIC distributor on
/linux-5.10/Documentation/arm/samsung/
Dbootloader-interface.rst14 In the document "boot loader" means any of following: U-boot, proprietary
15 SBOOT or any other firmware for ARMv7 and ARMv8 initializing the board before
19 1. Non-Secure mode
65 3. Other (regardless of secure/non-secure mode)
72 0x0908 Non-zero Secondary CPU boot up indicator
79 AFTR - ARM Off Top Running, a low power mode, Cortex cores and many other
81 MCPM - Multi-Cluster Power Management
/linux-5.10/lib/raid6/
DMakefile1 # SPDX-License-Identifier: GPL-2.0
2 obj-$(CONFIG_RAID6_PQ) += raid6_pq.o
4 raid6_pq-y += algos.o recov.o tables.o int1.o int2.o int4.o \
7 raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o avx512.o recov_avx5…
8 raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o \
10 raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_ne…
11 raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o
16 altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
19 # clang ppc port does not yet support -maltivec when -msoft-float is
22 CFLAGS_REMOVE_altivec1.o += -msoft-float
[all …]
/linux-5.10/arch/arm/kernel/
Dperf_event_v7.c1 // SPDX-License-Identifier: GPL-2.0
3 * ARMv7 Cortex-A8 and Cortex-A9 Performance Events handling code.
5 * ARMv7 support: Jean Pihet <jpihet@mvista.com>
9 * by the ARMv7 Oprofile code.
11 * Cortex-A8 has up to 4 configurable performance counters and
13 * Cortex-A9 has up to 31 configurable performance counters and
33 * Common ARMv7 event types
55 * - all (taken) branch instructions,
56 * - instructions that explicitly write the PC,
57 * - exception generating instructions.
[all …]
Dvdso.c1 // SPDX-License-Identifier: GPL-2.0-only
53 unsigned long new_size = new_vma->vm_end - new_vma->vm_start; in vdso_mremap()
57 vdso_size = (vdso_total_pages - 1) << PAGE_SHIFT; in vdso_mremap()
60 return -EINVAL; in vdso_mremap()
62 current->mm->context.vdso = new_vma->vm_start; in vdso_mremap()
79 /* Cached result of boot-time check for whether the arch timer exists,
96 np = of_find_compatible_node(NULL, NULL, "arm,armv7-timer"); in cntvct_functional()
98 np = of_find_compatible_node(NULL, NULL, "arm,armv8-timer"); in cntvct_functional()
102 if (of_property_read_bool(np, "arm,cpu-registers-not-fw-configured")) in cntvct_functional()
121 sechdrs = (void *)ehdr + ehdr->e_shoff; in find_section()
[all …]
/linux-5.10/arch/arm/boot/dts/
Dalpine.dtsi27 #include <dt-bindings/interrupt-controller/arm-gic.h>
30 #address-cells = <2>;
31 #size-cells = <2>;
42 #address-cells = <1>;
43 #size-cells = <0>;
44 enable-method = "al,alpine-smp";
47 compatible = "arm,cortex-a15";
50 clock-frequency = <1700000000>;
54 compatible = "arm,cortex-a15";
57 clock-frequency = <1700000000>;
[all …]
Dimx7d.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
7 #include <dt-bindings/reset/imx7-reset.h>
12 clock-frequency = <996000000>;
13 operating-points-v2 = <&cpu0_opp_table>;
14 #cooling-cells = <2>;
15 nvmem-cells = <&fuse_grade>;
16 nvmem-cell-names = "speed_grade";
20 compatible = "arm,cortex-a7";
23 clock-frequency = <996000000>;
24 operating-points-v2 = <&cpu0_opp_table>;
[all …]
/linux-5.10/arch/arm/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
129 The ARM series is a line of low-power-consumption RISC chip designs
131 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
132 manufactured, but legacy ARM-based PC hardware remains popular in
242 Patch phys-to-virt and virt-to-phys translation functions at
246 This can only be used with non-XIP MMU kernels where the base
292 bool "MMU-based Paged Memory Management Support"
295 Select if you want MMU-based virtualised addressing space
334 bool "ARMv7-M based platforms (Cortex-M0/M3/M4)"
347 bool "EBSA-110"
[all …]
/linux-5.10/net/netfilter/
Dnft_set_pipapo.h1 // SPDX-License-Identifier: GPL-2.0-only
8 /* Count of concatenated fields depends on count of 32-bit nftables registers */
25 #define NFT_PIPAPO_GROUPS_PER_BYTE(f) (BITS_PER_BYTE / (f)->bb)
32 * crossing page boundaries on most architectures (x86-64 and MIPS huge pages,
33 * ARMv7 supersections, POWER "large" pages, SPARC Level 1 regions, etc.), which
34 * keeps performance nice in case kvmalloc() gives us non-contiguous areas.
39 #define NFT_PIPAPO_LT_SIZE_LOW NFT_PIPAPO_LT_SIZE_THRESHOLD - \
44 (round_up((f)->groups / NFT_PIPAPO_GROUPS_PER_BYTE(f), sizeof(u32)))
46 (NFT_PIPAPO_GROUPS_PADDED_SIZE(f) - (f)->groups / \
52 /* Each n-bit range maps to up to n * 2 rules */
[all …]
/linux-5.10/arch/arm/boot/compressed/
DMakefile1 # SPDX-License-Identifier: GPL-2.0
14 AFLAGS_head.o += -DDEBUG
18 # string library code (-Os is enforced to keep it much smaller)
20 CFLAGS_string.o := -Os
23 OBJS += hyp-stub.o
39 OBJS += head-sa1100.o
43 OBJS += head-xscale.o
47 OBJS += head-sharpsl.o
52 OBJS += big-endian.o
62 # FIXME: Previous assignment to ztextaddr-y is lost here. See SHARK
[all …]
Dhead.S1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 1996-2002 Russell King
12 #include "efi-header.S"
14 AR_CLASS( .arch armv7-a )
15 M_CLASS( .arch armv7-m )
99 kputc #'-'
103 kputc #'-'
108 kputc #'-'
152 * in little-endian form.
224 * Booting from Angel - need to enter SVC mode and disable
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