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/linux/fs/hpfs/
H A Dbuffer.c1 // SPDX-License-Identifier: GPL-2.0
5 * Mikulas Patocka (mikulas@artax.karlin.mff.cuni.cz), 1998-1999
18 for (i = 0; unlikely(i < sbi->n_hotfixes); i++) { in hpfs_search_hotfix_map()
19 if (sbi->hotfix_from[i] == sec) { in hpfs_search_hotfix_map()
20 return sbi->hotfix_to[i]; in hpfs_search_hotfix_map()
30 for (i = 0; unlikely(i < sbi->n_hotfixes); i++) { in hpfs_search_hotfix_map_for_range()
31 if (sbi->hotfix_from[i] >= sec && sbi->hotfix_from[i] < sec + n) { in hpfs_search_hotfix_map_for_range()
32 n = sbi->hotfix_from[i] - sec; in hpfs_search_hotfix_map_for_range()
43 if (n <= 0 || unlikely(secno >= hpfs_sb(s)->sb_fs_size)) in hpfs_prefetch_sectors()
60 if (unlikely(secno >= hpfs_sb(s)->sb_fs_size)) in hpfs_prefetch_sectors()
[all …]
/linux/arch/sparc/mm/
H A Dswift.S1 /* SPDX-License-Identifier: GPL-2.0 */
3 * swift.S: MicroSparc-II mmu/cache operations.
12 #include <asm/asm-offsets.h>
17 #if 1 /* XXX screw this, I can't get the VAC flushes working
18 * XXX reliably... -DaveM
32 1: subcc %o0, 0x10, %o0
35 bne 1b
47 1: subcc %o0, 16, %o0
49 bne 1b
57 cmp %g2, -1
[all …]
/linux/arch/riscv/boot/dts/sophgo/
H A Dsg2044-cpus.dtsi1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
7 #address-cells = <2>;
8 #size-cells = <2>;
11 #address-cells = <1>;
12 #size-cells = <0>;
13 timebase-frequency = <50000000>;
18 i-cache-block-size = <64>;
19 i-cache-size = <65536>;
20 i-cache-sets = <512>;
21 d-cache-block-size = <64>;
[all …]
/linux/tools/perf/pmu-events/arch/x86/cascadelakex/
H A Dfloating-point.json3 …"BriefDescription": "Counts once for most SIMD 128-bit packed computational double precision float…
4 "Counter": "0,1,2,3",
7 …-bit packed computational double precision floating-point instructions retired; some instructions …
12 …"BriefDescription": "Counts once for most SIMD 128-bit packed computational single precision float…
13 "Counter": "0,1,2,3",
16 …-bit packed computational single precision floating-point instructions retired; some instructions …
21 …"BriefDescription": "Counts once for most SIMD 256-bit packed double computational precision float…
22 "Counter": "0,1,2,3",
25 …-bit packed double computational precision floating-point instructions retired; some instructions …
30 …"BriefDescription": "Counts once for most SIMD 256-bit packed single computational precision float…
[all …]
/linux/tools/perf/arch/x86/tests/
H A Dinsn-x86-dat-src.c1 // SPDX-License-Identifier: GPL-2.0
5 * "Test x86 instruction decoder - new instructions"
8 * gen-insn-x86-dat.awk script and have the format:
12 * If this file is changed, remember to run the gen-insn-x86-dat.sh
15 * Refer to insn-x86.c for more details.
20 /* Following line is a marker for the awk script - do not change */ in main()
23 /* Test fix for vcvtph2ps in x86-opcode-map.txt */ in main()
29 /* AVX-512: Instructions with the same op codes as Mask Instructions */ in main()
50 /* AVX-512: Mask Instructions */ in main()
154 /* AVX-512: Op code 0f 5b */ in main()
[all …]
/linux/drivers/mtd/nand/spi/
H A Dwinbond.c1 // SPDX-License-Identifier: GPL-2.0
46 SPINAND_PAGE_READ_FROM_CACHE_1S_1S_8S_OP(0, 1, NULL, 0, 133 * HZ_PER_MHZ),
47 SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0, 0),
48 SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0, 0));
64 SPINAND_PAGE_READ_FROM_CACHE_1S_1S_4S_OP(0, 1, NULL, 0, 0),
68 SPINAND_PAGE_READ_FROM_CACHE_1S_2S_2S_OP(0, 1, NULL, 0, 104 * HZ_PER_MHZ),
69 SPINAND_PAGE_READ_FROM_CACHE_1S_1S_2S_OP(0, 1, NULL, 0, 0),
71 SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0, 0),
72 SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0, 54 * HZ_PER_MHZ));
76 SPINAND_PAGE_READ_FROM_CACHE_1S_1S_4S_OP(0, 1, NULL, 0, 0),
[all …]
/linux/drivers/gpu/ipu-v3/
H A Dipu-ic-csc.c1 // SPDX-License-Identifier: GPL-2.0+
11 #include "ipu-prv.h"
15 (q) == V4L2_QUANTIZATION_DEFAULT ? 0 : 1)
29 * RGB full-range to RGB limited-range
42 .scale = 1,
46 * RGB limited-range to RGB full-range
48 * R_full = 1.1644 * (R_lim - 16)
49 * G_full = 1.1644 * (G_lim - 16)
50 * B_full = 1.1644 * (B_lim - 16)
58 .offset = { -37, -37, -37, },
[all …]
/linux/arch/powerpc/boot/
H A Dps3-head.S1 /* SPDX-License-Identifier: GPL-2.0-only */
16 * __system_reset_overlay - The PS3 first stage entry.
18 * The bootwraper build script copies the 512 bytes at symbol
20 * must occupy 512 or less bytes.
28 /* Switch to 32-bit mode. */
31 clrldi r9,r9,1
39 beq 1f
47 1:
58 . = __system_reset_overlay + 512
61 * __system_reset_kernel - Place holder for the kernel reset vector.
[all …]
/linux/arch/arm/boot/dts/broadcom/
H A Dbcm2837.dtsi2 #include "bcm2835-common.dtsi"
10 dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
12 local_intc: interrupt-controller@40000000 {
13 compatible = "brcm,bcm2836-l1-intc";
15 interrupt-controller;
16 #interrupt-cells = <2>;
17 interrupt-parent = <&local_intc>;
21 arm-pmu {
22 compatible = "arm,cortex-a53-pmu";
23 interrupt-parent = <&local_intc>;
[all …]
H A Dbcm2836.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include "bcm2835-common.dtsi"
11 dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
13 local_intc: interrupt-controller@40000000 {
14 compatible = "brcm,bcm2836-l1-intc";
16 interrupt-controller;
17 #interrupt-cells = <2>;
18 interrupt-parent = <&local_intc>;
22 arm-pmu {
23 compatible = "arm,cortex-a7-pmu";
[all …]
/linux/Documentation/admin-guide/device-mapper/
H A Dunstriped.rst2 Device-mapper "unstriped" target
8 The device-mapper "unstriped" target provides a transparent mechanism to
9 unstripe a device-mapper "striped" target to access the underlying disks
10 without having to touch the true backing block-device. It can also be
11 used to unstripe a hardware RAID-0 to access backing disks.
20 The amount of 512B sectors in the chunk striping.
33 An example of undoing an existing dm-stripe
34 -------------------------------------------
47 SEQ_END=$((${NUM}-1))
51 RAID_SIZE=$((${MEMBER_SIZE}*${NUM}/512))
[all …]
H A Ddm-ebs.rst2 dm-ebs
8 size. Its main purpose is to provide emulation of 512 byte sectors on
11 Supported emulated logical block sizes 512, 1024, 2048 and 4096.
17 ----------------
23 Full pathname to the underlying block-device,
24 or a "major:minor" device-number.
30 1, 2, 4, 8 sectors of 512 bytes supported.
36 2^N supported, e.g. 8 = emulate 8 sectors of 512 bytes = 4KiB.
42 Emulate 1 sector = 512 bytes logical block size on /dev/sda starting at
45 ebs /dev/sda 1024 1
[all …]
/linux/drivers/gpu/drm/etnaviv/
H A Detnaviv_hwdb.c1 // SPDX-License-Identifier: GPL-2.0
18 .shader_core_count = 1,
22 .pixel_pipes = 1,
47 .stream_count = 1,
50 .shader_core_count = 1,
52 .vertex_output_buffer_size = 512,
53 .pixel_pipes = 1,
80 .thread_count = 512,
85 .pixel_pipes = 1,
86 .instruction_count = 512,
[all …]
/linux/drivers/ata/pata_parport/
H A Depia.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * (c) 1997-1998 Grant R. Guenther <grant@torque.net>
5 * epia.c is a low-level protocol driver for Shuttle Technologies
22 * mode codes: 0 nybble reads on port 1, 8-bit writes
23 * 1 5/3 reads on ports 1 & 2, 8-bit writes
24 * 2 8-bit reads and writes
25 * 3 8-bit EPP mode
26 * 4 16-bit EPP
27 * 5 32-bit EPP
35 * cont = 1 IDE control registers
[all …]
/linux/arch/x86/include/asm/
H A Dxor_avx.h1 /* SPDX-License-Identifier: GPL-2.0-only */
6 * Optimized RAID-5 checksumming functions for AVX
19 BLOCK(32 * (i + 1), 1) \
36 while (lines--) { in xor_avx_2()
49 p0 = (unsigned long *)((uintptr_t)p0 + 512); in xor_avx_2()
50 p1 = (unsigned long *)((uintptr_t)p1 + 512); in xor_avx_2()
64 while (lines--) { in xor_avx_3()
79 p0 = (unsigned long *)((uintptr_t)p0 + 512); in xor_avx_3()
80 p1 = (unsigned long *)((uintptr_t)p1 + 512); in xor_avx_3()
81 p2 = (unsigned long *)((uintptr_t)p2 + 512); in xor_avx_3()
[all …]
/linux/arch/mips/math-emu/
H A Ddp_sqrt.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * Copyright (C) 1994-2000 Algorithmics Ltd.
46 /* sqrt(-Inf) = Nan */ in ieee754dp_sqrt()
58 /* sqrt(-x) = Nan */ in ieee754dp_sqrt()
73 if (xe > 512) { /* x > 2**-512? */ in ieee754dp_sqrt()
74 xe -= 512; /* x = x / 2**512 */ in ieee754dp_sqrt()
76 } else if (xe < -512) { /* x < 2**-512? */ in ieee754dp_sqrt()
77 xe += 512; /* x = x * 2**512 */ in ieee754dp_sqrt()
78 scalx -= 256; in ieee754dp_sqrt()
86 yh = (yh >> 1) + 0x1ff80000; in ieee754dp_sqrt()
[all …]
/linux/drivers/input/joystick/
H A Dwalkera0701.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Parallel port to Walkera WK-0701 TX joystick
33 MODULE_DESCRIPTION("Walkera WK-0701 TX as joystick");
39 "Parallel port adapter for Walkera WK-0701 TX (default is 0)");
70 crc1 += w->buf[i] & 7; in walkera0701_parse_frame()
71 crc2 += (w->buf[i] & 8) >> 3; in walkera0701_parse_frame()
73 if ((w->buf[10] & 7) != (crc1 & 7)) in walkera0701_parse_frame()
75 if (((w->buf[10] & 8) >> 3) != (((crc1 >> 3) + crc2) & 1)) in walkera0701_parse_frame()
78 crc1 += w->buf[i] & 7; in walkera0701_parse_frame()
79 crc2 += (w->buf[i] & 8) >> 3; in walkera0701_parse_frame()
[all …]
/linux/Documentation/admin-guide/media/
H A Ddvb_intro.rst1 .. SPDX-License-Identifier: GPL-2.0
12 structure of DVB-T cards are substantially similar to Analogue TV cards,
30 embedded within the modulated composite analogue signal -
38 signal encoded at a resolution of 768x576 24-bit color pixels over 25
39 frames per second - a fair amount of data is generated and must be
43 encoded and compressed form - similar to the form that is used in
46 The purpose of a simple budget digital TV card (DVB-T,C or S) is to
96 On this example, we're considering tuning into DVB-T channels in
102 Table 1. Transponder Frequencies Mount Dandenong, Vic, Aus.
115 The digital TV Scan utilities (like dvbv5-scan) have use a set of
[all …]
/linux/block/partitions/
H A Dmac.c1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright (C) 1991-1998 Linus Torvalds
7 * Re-organised Feb 1998 Russell King
28 for (i = len - 1; i >= 0 && stg[i] == ' '; i--) in mac_fix_string()
49 return -1; in mac_partition()
50 if (be16_to_cpu(md->signature) != MAC_DRIVER_MAGIC) { in mac_partition()
54 secsize = be16_to_cpu(md->block_size); in mac_partition()
58 * If the "block size" is not a power of 2, things get weird - we might in mac_partition()
65 return -1; in mac_partition()
66 datasize = round_down(secsize, 512); in mac_partition()
[all …]
/linux/tools/testing/selftests/powerpc/tm/
H A Dtm-signal.S1 /* SPDX-License-Identifier: GPL-2.0-or-later */
21 PUSH_BASIC_STACK(512)
27 PUSH_FPU(512)
28 PUSH_NVREGS_BELOW_FPU(512)
30 std r4, STACK_FRAME_PARAM(1)(sp) /* gps */
35 ld r3, STACK_FRAME_PARAM(1)(sp)
57 * 'all good' return value, zero is used to indicate a non-doomed
62 beq 1f
64 ld r3, STACK_FRAME_PARAM(1)(sp)
100 * hardware to cleanup, we'll end up at 1: anything between
[all …]
/linux/drivers/gpu/drm/ingenic/
H A Dingenic-ipu.c1 // SPDX-License-Identifier: GPL-2.0
8 #include "ingenic-drm.h"
9 #include "ingenic-ipu.h"
71 /* Signed 15.16 fixed-point math (for bicubic scaling coefficients) */
75 #define SHARPNESS_INCR (I2F(-1) / 8)
93 priv_state = drm_atomic_get_private_obj_state(state, &priv->private_obj); in ingenic_ipu_get_priv_state()
105 priv_state = drm_atomic_get_new_private_obj_state(state, &priv->private_obj); in ingenic_ipu_get_new_priv_state()
114 * and return value are 15.16 signed fixed-point.
116 * @f_a: Sharpness factor, typically in range [-4.0, -0.25].
118 * -2.0 might cause ringing artifacts to outweigh any improvement.
[all …]
/linux/Documentation/core-api/
H A Dlibrs.rst2 Reed-Solomon Library Programming Interface
10 The generic Reed-Solomon Library provides encoding, decoding and error
13 Reed-Solomon codes are used in communication and storage applications to
30 ------------
45 * Primitive polynomial is x^10+x^3+1
47 * primitive element to generate roots = 1
50 rs_decoder = init_rs (10, 0x409, 0, 1, 6);
54 --------
56 The encoder calculates the Reed-Solomon code over the given data length
60 The expanded data can be inverted on the fly by providing a non-zero
[all …]
/linux/drivers/mtd/
H A Dmtdblock_ro.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Simple read-only (writable only for RAM) mtdblock driver
5 * Copyright © 2001-2010 David Woodhouse <dwmw2@infradead.org>
21 err = mtd_read(dev->mtd, (block * 512), 512, &retlen, buf); in mtdblock_readsect()
23 return 1; in mtdblock_readsect()
32 if (mtd_write(dev->mtd, (block * 512), 512, &retlen, buf)) in mtdblock_writesect()
33 return 1; in mtdblock_writesect()
44 dev->mtd = mtd; in mtdblock_add_mtd()
45 dev->devnum = mtd->index; in mtdblock_add_mtd()
47 dev->size = mtd->size >> 9; in mtdblock_add_mtd()
[all …]
/linux/tools/testing/selftests/arm64/fp/
H A DREADME7 sve-probe-vls - Checks the SVE vector length enumeration interface
8 sve-ptrace - Checks the SVE ptrace interface
10 Running the non-kselftest tests
13 sve-stress performs an SVE context switch stress test, as described
16 (The fpsimd-stress test works the same way; just substitute "fpsimd" for
25 $ ./sve-stress
28 Vector length: 512 bits
31 Vector length: 512 bits
34 Vector length: 512 bits
37 Vector length: 512 bits
[all …]
/linux/drivers/comedi/drivers/
H A Dni_pcimio.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Comedi driver for NI PCI-MIO E series cards
5 * COMEDI - Linux Control and Measurement Device Interface
6 * Copyright (C) 1997-8 David A. Schleef <ds@schleef.org>
11 * Description: National Instruments PCI-MIO-E series and M series (all boards)
15 * Devices: [National Instruments] PCI-MIO-16XE-50 (ni_pcimio),
16 * PCI-MIO-16XE-10, PXI-6030E, PCI-MIO-16E-1, PCI-MIO-16E-4, PCI-6014,
17 * PCI-6040E, PXI-6040E, PCI-6030E, PCI-6031E, PCI-6032E, PCI-6033E,
18 * PCI-6071E, PCI-6023E, PCI-6024E, PCI-6025E, PXI-6025E, PCI-6034E,
19 * PCI-6035E, PCI-6052E, PCI-6110, PCI-6111, PCI-6220, PXI-6220,
[all …]

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