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/kernel/linux/linux-5.10/drivers/misc/mei/
Dhw-me-regs.h1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (c) 2003-2019, Intel Corporation. All rights reserved.
45 #define MEI_DEV_ID_CPT_1 0x1C3A /* Couger Point */
48 #define MEI_DEV_ID_PPT_1 0x1E3A /* Panther Point */
49 #define MEI_DEV_ID_PPT_2 0x1CBA /* Panther Point */
50 #define MEI_DEV_ID_PPT_3 0x1DBA /* Panther Point */
52 #define MEI_DEV_ID_LPT_H 0x8C3A /* Lynx Point H */
53 #define MEI_DEV_ID_LPT_W 0x8D3A /* Lynx Point - Wellsburg */
54 #define MEI_DEV_ID_LPT_LP 0x9C3A /* Lynx Point LP */
55 #define MEI_DEV_ID_LPT_HR 0x8CBA /* Lynx Point H Refresh */
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/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/icelake/
Dfloating-point.json4 "PublicDescription": "Counts all microcode Floating Point assists.",
16 …-point instructions retired; some instructions will count twice as noted below. Each count repres…
23 …-point instructions retired; some instructions will count twice as noted below. Each count repres…
27 …-point instructions retired; some instructions will count twice as noted below. Each count repres…
34 …-point instructions retired; some instructions will count twice as noted below. Each count repres…
38 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
45 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
49 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
56 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
60 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
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/kernel/liteos_m/arch/risc-v/nuclei/gcc/nmsis/Core/Include/
Dcore_feature_fpu.h4 * SPDX-License-Identifier: Apache-2.0
10 * www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
26 * 1. __FPU_PRESENT: Define whether Floating Point Unit(FPU) is present or not
39 * \brief Functions that related to the RISC-V FPU (F and D extension).
42 * Nuclei provided floating point unit by RISC-V F and D extension.
43 * * `F extension` adds single-precision floating-point computational
44 * instructions compliant with the IEEE 754-2008 arithmetic standard, __RISCV_FLEN = 32.
45 * The F extension adds 32 floating-point registers, f0-f31, each 32 bits wide,
46 * and a floating-point control and status register fcsr, which contains the
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/kernel/linux/linux-5.10/arch/x86/include/asm/
Didtentry.h1 /* SPDX-License-Identifier: GPL-2.0 */
9 #include <linux/entry-common.h>
15 * DECLARE_IDTENTRY - Declare functions for simple IDT entry points
18 * @func: Function name of the entry point
21 * - The ASM entry point: asm_##func
22 * - The XEN PV trap entry point: xen_##func (maybe unused)
23 * - The C handler called from the ASM entry point
27 * as well which is used to emit the entry stubs in entry_32/64.S.
35 * DEFINE_IDTENTRY - Emit code for simple IDT entry points
36 * @func: Function name of the entry point
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/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/broadwellx/
Dfloating-point.json5 … "BriefDescription": "Number of transitions from AVX-256 to legacy SSE when penalty applicable.",
9 …"PublicDescription": "This event counts the number of transitions from AVX-256 to legacy SSE when …
16 "BriefDescription": "Number of transitions from SSE to AVX-256 when penalty applicable.",
20 …"PublicDescription": "This event counts the number of transitions from legacy SSE to AVX-256 when …
27 …on floating-point instructions retired. Each count represents 1 computation. Applies to SSE* and …
36 …on floating-point instructions retired. Each count represents 1 computation. Applies to SSE* and …
45 …tational scalar floating-point instructions retired. Applies to SSE* and AVX* scalar, double and s…
54 …-bit packed double precision floating-point instructions retired. Each count represents 2 computa…
63 …-bit packed single precision floating-point instructions retired. Each count represents 4 computa…
72 …-bit packed double precision floating-point instructions retired. Each count represents 4 computa…
[all …]
/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/broadwellde/
Dfloating-point.json5 … "BriefDescription": "Number of transitions from AVX-256 to legacy SSE when penalty applicable.",
9 …"PublicDescription": "This event counts the number of transitions from AVX-256 to legacy SSE when …
16 "BriefDescription": "Number of transitions from SSE to AVX-256 when penalty applicable.",
20 …"PublicDescription": "This event counts the number of transitions from legacy SSE to AVX-256 when …
27 …on floating-point instructions retired. Each count represents 1 computation. Applies to SSE* and …
36 …on floating-point instructions retired. Each count represents 1 computation. Applies to SSE* and …
45 …tational scalar floating-point instructions retired. Applies to SSE* and AVX* scalar, double and s…
54 …-bit packed double precision floating-point instructions retired. Each count represents 2 computa…
63 …-bit packed single precision floating-point instructions retired. Each count represents 4 computa…
72 …-bit packed double precision floating-point instructions retired. Each count represents 4 computa…
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/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/broadwell/
Dfloating-point.json4 …s, uses PEBS) of the event that counts the number of transitions from AVX-256 to legacy SSE when p…
11 …"BriefDescription": "Number of transitions from AVX-256 to legacy SSE when penalty applicable (Pre…
16 …PEBS) of the event that counts the number of transitions from legacy SSE to AVX-256 when penalty i…
23 …"BriefDescription": "Number of transitions from legacy SSE to AVX-256 when penalty applicable (Pre…
32 …on floating-point instructions retired. Each count represents 1 computation. Applies to SSE* and …
41 …on floating-point instructions retired. Each count represents 1 computation. Applies to SSE* and …
50 …tational scalar floating-point instructions retired. Applies to SSE* and AVX* scalar, double and s…
59 …-bit packed double precision floating-point instructions retired. Each count represents 2 computa…
68 …-bit packed single precision floating-point instructions retired. Each count represents 4 computa…
77 …-bit packed double precision floating-point instructions retired. Each count represents 4 computa…
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/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/cascadelakex/
Dfloating-point.json3 …-point instructions retired; some instructions will count twice as noted below. Each count repres…
12 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
21 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
30 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
39 …-point instructions retired; some instructions will count twice as noted below. Each count repres…
48 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
68 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
77 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/skylakex/
Dfloating-point.json3 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
12 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
21 …-point instructions retired; some instructions will count twice as noted below. Each count repres…
30 …-bit packed double precision floating-point instructions retired; some instructions will count twi…
39 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
48 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
68 …-point instructions retired; some instructions will count twice as noted below. Each count repres…
77 …-bit packed single precision floating-point instructions retired; some instructions will count twi…
/kernel/linux/linux-5.10/arch/arm/nwfpe/
Dentry.S1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 NetWinder Floating Point Emulator
7 Direct questions, comments to Scott Bambrough <scottb@netwinder.org>
14 /* This is the kernel's entry point into the floating point emulator.
15 It is called from the kernel with code similar to this:
24 strb r8, [r10, #TSK_USED_MATH] @ set current->used_math
27 ldr pc, [r4] @ Call FP emulator entry point
29 The kernel expects the emulator to return via one of two possible
30 points of return it passes to the emulator. The emulator, if
31 successful in its emulation, jumps to ret_from_exception (passed in
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Dsoftfloat.c4 This C source file is part of the SoftFloat IEC/IEEE Floating-point
10 National Science Foundation under grant MIP-9311980. The original version
11 of this code was written as part of a project to build a fixed-point vector
15 http://www.jhauser.us/arithmetic/SoftFloat-2b/SoftFloat-source.txt
18 has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
19 TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
25 include prominent notice akin to these three paragraphs for those parts of
38 -------------------------------------------------------------------------------
39 Primitive arithmetic functions, including multi-word arithmetic, and
40 division and square root approximations. (Can be specialized to target if
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/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/skylake/
Dfloating-point.json8 …on floating-point instructions retired. Each count represents 1 computation. Applies to SSE* and …
17 …on floating-point instructions retired. Each count represents 1 computation. Applies to SSE* and …
26 …-bit packed double precision floating-point instructions retired. Each count represents 2 computa…
35 …-bit packed single precision floating-point instructions retired. Each count represents 4 computa…
44 …-bit packed double precision floating-point instructions retired. Each count represents 4 computa…
53 …-bit packed single precision floating-point instructions retired. Each count represents 8 computa…
/kernel/linux/linux-5.10/arch/parisc/math-emu/
Dfcnvfxt.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
5 * Floating-point emulation code
6 * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
15 * Single Floating-point to Single Fixed-point /w truncated result
16 * Single Floating-point to Double Fixed-point /w truncated result
17 * Double Floating-point to Single Fixed-point /w truncated result
18 * Double Floating-point to Double Fixed-point /w truncated result
41 * Convert single floating-point to single fixed-point format
56 src_exponent = Sgl_exponent(src) - SGL_BIAS; in sgl_to_sgl_fcnvfxt()
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Dfcnvxf.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
5 * Floating-point emulation code
6 * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
15 * Single Fixed-point to Single Floating-point
16 * Single Fixed-point to Double Floating-point
17 * Double Fixed-point to Single Floating-point
18 * Double Fixed-point to Double Floating-point
41 * Convert single fixed-point to single floating-point format
78 * between -1 and 30. in sgl_to_sgl_fcnvxf()
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Dfcnvfx.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Linux/PA-RISC Project (http://www.parisc-linux.org/)
5 * Floating-point emulation code
6 * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
15 * Single Floating-point to Single Fixed-point
16 * Single Floating-point to Double Fixed-point
17 * Double Floating-point to Single Fixed-point
18 * Double Floating-point to Double Fixed-point
41 * Single Floating-point to Single Fixed-point
56 src_exponent = Sgl_exponent(src) - SGL_BIAS; in sgl_to_sgl_fcnvfx()
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/kernel/linux/linux-5.10/arch/m68k/ifpsp060/
Dfskeleton.S3 |M68000 Hi-Performance Microprocessor Division
5 |Production Release P1.00 -- October 10, 1994
10 |To the maximum extent permitted by applicable law,
13 |and any warranty against infringement with regard to the SOFTWARE
16 |To the maximum extent permitted by applicable law,
20 |ARISING OF THE USE OR INABILITY TO USE THE SOFTWARE.
23 |You are hereby granted a copyright license to use, modify, and distribute the SOFTWARE
32 | (1) example "Call-out"s
34 | (3) example "Call-out" table
40 | (1) EXAMPLE CALL-OUTS #
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/kernel/linux/linux-5.10/Documentation/arm/nwfpe/
Dnetwinder-fpe.rst5 The following describes the current state of the NetWinder's floating point
8 In the following nomenclature is used to describe the floating point
14 {P|M|Z} = {round to +infinity,round to -infinity,round to zero},
15 default = round to nearest
19 Floating Point Coprocessor Data Transfer Instructions (CPDT)
20 ------------------------------------------------------------
22 LDF/STF - load and store floating
30 LFM/SFM - load and store multiple floating
41 for each floating point register into the memory location given in the
42 instruction. The format in memory is unlikely to be compatible with
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/kernel/linux/linux-5.10/drivers/input/touchscreen/
Dzforce_ts.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2012-2013 MundoReader S.L.
96 * @suspending in the process of going to suspend (don't emit wakeup
97 * events for commands executed to suspend the device)
99 * @access_mutex serialize i2c-access, to keep multipart reads together
100 * @command_done completion to wait for the command result
101 * @command_mutex serialize commands sent to the ic
137 struct i2c_client *client = ts->client; in zforce_command()
141 dev_dbg(&client->dev, "%s: 0x%x\n", __func__, cmd); in zforce_command()
147 mutex_lock(&ts->access_mutex); in zforce_command()
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Dauo-pixcir-ts.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Driver for AUO in-cell touchscreens
7 * loosely based on auo_touch.c from Dell Streak vendor-kernel
23 #include <linux/input/auo-pixcir-ts.h>
77 * sleep: scan speed 10Hz can be auto-activated, wakeup on 1st touch
125 struct auo_point_t *point) in auo_pixcir_collect_data() argument
127 struct i2c_client *client = ts->client; in auo_pixcir_collect_data()
128 const struct auo_pixcir_ts_platdata *pdata = ts->pdata; in auo_pixcir_collect_data()
137 dev_err(&client->dev, "failed to read coordinate, %d\n", ret); in auo_pixcir_collect_data()
145 dev_err(&client->dev, "could not read touch area, %d\n", ret); in auo_pixcir_collect_data()
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/kernel/linux/linux-5.10/arch/m68k/fpsp040/
Dslog2.S4 | The entry point slog10 computes the base-10
8 | sLog2 and sLog2d are the base-2 analogues.
10 | INPUT: Double-extended value in memory location pointed to
13 | OUTPUT: log_10(X) or log_2(X) returned in floating-point
18 | to 53 bits if the result is subsequently rounded
19 | to double precision. The result is provably monotonic
22 | SPEED: Two timings are measured, both in the copy-back mode.
33 | flag. Otherwise, save FPCR in D1; set FpCR to default.
34 | Notes: Default means round-to-nearest mode, no floating-point
37 | Step 1. Call slognd to obtain Y = log(X), the natural log of X.
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/kernel/linux/linux-5.10/drivers/net/ppp/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
7 tristate "PPP (point-to-point protocol) support"
10 PPP (Point to Point Protocol) is a newer and better SLIP. It serves
16 To use PPP, you need an additional program called pppd as described
17 in the PPP-HOWTO, available at
25 example. If you want to use PPP over phone lines or other
26 asynchronous serial lines, you need to say Y (or M) here and also to
28 synchronous lines, you should say Y (or M) here and to "Support
31 If you said Y to "Version information on all symbols" above, then
33 compile it as a module. To compile this driver as a module, choose M
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/kernel/linux/linux-5.10/Documentation/driver-api/thermal/
Dsysfs-api.rst2 Generic Thermal Sysfs driver How To
16 devices (sensors) and thermal cooling devices (fan, processor...) to register
17 with the thermal management solution and to be a part of it.
19 This how-to focuses on enabling new thermal zone and cooling devices to
22 and cooling devices should be able to make use of the infrastructure.
24 The main task of the thermal sysfs driver is to expose thermal zone attributes
25 as well as cooling device attributes to the user space.
27 inputs from thermal zone attributes (the current temperature and trip point
30 - `[0-*]` denotes any positive number starting from 0
31 - `[1-*]` denotes any positive number starting from 1
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/kernel/linux/linux-5.10/drivers/gpu/host1x/
Dsyncpt.h1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (c) 2010-2013, NVIDIA Corporation.
43 /* Initialize sync point array */
46 /* Free sync point array */
49 /* Return number of sync point supported. */
59 * Check sync point sanity. If max is larger than min, there have too many
60 * sync point increments.
62 * Client managed sync point are not tracked.
67 if (sp->client_managed) in host1x_syncpt_check_max()
70 return (s32)(max - real) >= 0; in host1x_syncpt_check_max()
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/kernel/linux/linux-5.10/lib/mpi/
Dec.c1 /* ec.c - Elliptic Curve functions
21 #include "mpi-internal.h"
33 /* Create a new point option. NBITS gives the size in bits of one
34 * coordinate; it is only used to pre-allocate some resources and
35 * might also be passed as 0 to use a default value.
50 /* Release the point object P. P may be NULL. */
60 /* Initialize the fields of a point object. gcry_mpi_point_free_parts
61 * may be used to release the fields.
65 p->x = mpi_new(0); in mpi_point_init()
66 p->y = mpi_new(0); in mpi_point_init()
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/kernel/liteos_a/testsuites/kernel/sample/kernel_base/core/task/float/
DIt_smp_los_float_switch_002.c2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
16 * to endorse or promote products derived from this software without specific prior written
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
54 while (temp1--) { in TaskF01()
56 while (temp2--) { in TaskF01()
61 … // 153230.406250, numbers involved in floating-point operations, without special functions. in TaskF01()
63 dprintf("Error:d = %f----temp = 0x%x----\n", d, temp2); in TaskF01()
66 … // 124432.390625, numbers involved in floating-point operations, without special functions. in TaskF01()
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