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/linux-6.14.4/rust/kernel/sync/
Darc.rs10 //! It is different from the standard library's [`Arc`] in a few ways:
15 //! 5. The object in [`Arc`] is pinned implicitly.
17 //! [`Arc`]: https://doc.rust-lang.org/std/sync/struct.Arc.html
41 /// The reference count is incremented when new instances of [`Arc`] are created, and decremented
46 /// The reference count on an instance of [`Arc`] is always non-zero.
47 /// The object pointed to by [`Arc`] is always pinned.
52 /// use kernel::sync::Arc;
60 /// let obj = Arc::new(Example { a: 10, b: 20 }, GFP_KERNEL)?;
79 /// Using `Arc<T>` as the type of `self`:
82 /// use kernel::sync::Arc;
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/linux-6.14.4/Documentation/arch/arc/
Darc.rst3 Linux kernel for ARC processors
10 ARC processors and relevant open source projects.
12 - `<https://embarc.org>`_ - Community portal for open source on ARC.
16 - `<https://github.com/foss-for-synopsys-dwc-arc-processors>`_ -
18 ARC processors. Some of the projects are forks of various upstream projects,
21 as open source for use on ARC Processors.
23 - `Official Synopsys ARC Processors website
26 Manual, AKA PRM for ARC HS processors
27 <https://www.synopsys.com/dw/doc.php/ds/cc/programmers-reference-manual-ARC-HS.pdf>`_)
34 Important note on ARC processors configurability
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/linux-6.14.4/rust/kernel/list/
Darc.rs5 //! A wrapper around `Arc` for linked lists.
9 use crate::sync::{Arc, ArcBorrow, UniqueArc};
58 /// Attempts to convert an `Arc<Self>` into an `ListArc<Self>`. Returns `true` if the
131 /// A wrapper around [`Arc`] that's guaranteed unique for the given id.
142 /// creation of new `ListArc` references from an [`Arc`] reference. Whatever strategy is used, the
152 /// While this `ListArc` is unique for the given id, there still might exist normal `Arc`
167 arc: Arc<T>, field
181 // what we do for `Arc`.
222 let arc = Arc::from(unique); in from() localVariable
223 // SAFETY: We just called `on_create_list_arc_from_unique` on an arc without a `ListArc`, in from()
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/linux-6.14.4/drivers/accel/habanalabs/include/gaudi2/arc/
Dgaudi2_arc_common_packets.h15 /* Dcore1 MME Engine ARC instance used as scheduler */
17 /* Dcore3 MME Engine ARC instance used as scheduler */
107 * ARC Address: 0x1000_0000
114 * ARC Address: 0x2000_0000
121 * ARC Address: 0x3000_0000
129 * ARC Address: 0x4000_0000
137 * ARC Address: 0x5000_0000
145 * ARC Address: 0x6000_0000
153 * ARC Address: 0x7000_0000
159 * ARC Address: 0x8000_0000
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/linux-6.14.4/Documentation/devicetree/bindings/remoteproc/
Damlogic,meson-mx-ao-arc.yaml4 $id: http://devicetree.org/schemas/remoteproc/amlogic,meson-mx-ao-arc.yaml#
7 title: Amlogic Meson AO ARC Remote Processor
10 Amlogic Meson6, Meson8, Meson8b and Meson8m2 SoCs embed an ARC core
12 system suspend. Meson6 and older use a ARC core based on the ARCv1
13 ISA, while Meson8, Meson8b and Meson8m2 use an ARC EM4 (ARCv2 ISA)
23 - amlogic,meson8-ao-arc
24 - amlogic,meson8b-ao-arc
25 - const: amlogic,meson-mx-ao-arc
54 the ARC core. The region should be defined as child nodes of the
78 compatible = "amlogic,meson8-ao-arc", "amlogic,meson-mx-ao-arc";
/linux-6.14.4/arch/arc/
DKconfig6 config ARC config
86 menu "ARC Architecture Configuration"
88 menu "ARC Platform/SoC/Board"
90 source "arch/arc/plat-tb10x/Kconfig"
91 source "arch/arc/plat-axs10x/Kconfig"
92 source "arch/arc/plat-hsdk/Kconfig"
97 prompt "ARC Instruction Set"
104 The original ARC ISA of ARC600/700 cores
107 bool "ARC ISA v2"
110 ISA for the Next Generation ARC-HS cores
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DMakefile9 CROSS_COMPILE := $(call cc-cross-prefix, arc-linux- arceb-linux- arc-linux-gnu-)
37 LINUXINCLUDE += -include $(srctree)/arch/arc/include/asm/current.h
85 core-y += arch/arc/plat-sim/
86 core-$(CONFIG_ARC_PLAT_TB10X) += arch/arc/plat-tb10x/
87 core-$(CONFIG_ARC_PLAT_AXS10X) += arch/arc/plat-axs10x/
88 core-$(CONFIG_ARC_SOC_HSDK) += arch/arc/plat-hsdk/
90 libs-y += arch/arc/lib/ $(LIBGCC)
92 boot := arch/arc/boot
/linux-6.14.4/Documentation/devicetree/bindings/timer/
Dsnps,arc-timer.txt1 Synopsys ARC Local Timer with Interrupt Capabilities
2 - Found on all ARC CPUs (ARC700/ARCHS)
4 - Two identical copies TIMER0 and TIMER1 exist in ARC cores and historically
5 TIMER0 used as clockevent provider (true for all ARC cores)
6 TIMER1 used for clocksource (mandatory for ARC700, optional for ARC HS)
10 - compatible : should be "snps,arc-timer"
18 compatible = "snps,arc-timer";
25 compatible = "snps,arc-timer";
Dsnps,archs-rtc.txt1 Synopsys ARC Free Running 64-bit Local Timer for ARC HS CPUs
12 compatible = "snps,arc-rtc";
/linux-6.14.4/samples/rust/
Drust_print_main.rs22 let a = Arc::new(1, GFP_KERNEL)?; in arc_print()
31 let a: Arc<&str> = b.into(); in arc_print()
38 // `Arc` can be used to delegate dynamic dispatch and the following is an example. in arc_print()
40 // behaviour, contract or protocol on both `i32` and `&str` into a single `Arc` of in arc_print()
41 // type `Arc<dyn Display>`. in arc_print()
44 fn arc_dyn_print(arc: &Arc<dyn Display>) { in arc_print()
45 pr_info!("Arc<dyn Display> says {arc}"); in arc_print()
48 let a_i32_display: Arc<dyn Display> = Arc::new(42i32, GFP_KERNEL)?; in arc_print()
49 let a_str_display: Arc<dyn Display> = a.clone(); in arc_print()
/linux-6.14.4/Documentation/devicetree/bindings/leds/backlight/
Darcxcnn_bl.txt4 - compatible: should be "arc,arc2c0608"
14 - arc,led-config-0: setting for register ILED_CONFIG_0
15 - arc,led-config-1: setting for register ILED_CONFIG_1
16 - arc,dim-freq: PWM mode frequence setting (bits [3:0] used)
17 - arc,comp-config: setting for register CONFIG_COMP
18 - arc,filter-config: setting for register FILTER_CONFIG
19 - arc,trim-config: setting for register IMAXTUNE
26 compatible = "arc,arc2c0608";
/linux-6.14.4/rust/kernel/sync/arc/
Dstd_vendor.rs10 use crate::sync::{arc::ArcInner, Arc};
13 impl Arc<dyn Any + Send + Sync> { impl
14 /// Attempt to downcast the `Arc<dyn Any + Send + Sync>` to a concrete type.
15 pub fn downcast<T>(self) -> core::result::Result<Arc<T>, Self> in downcast()
24 Ok(Arc::from_inner(ptr)) in downcast()
/linux-6.14.4/rust/kernel/
Dworkqueue.rs36 //! use kernel::sync::Arc;
51 //! fn new(value: i32) -> Result<Arc<Self>> {
52 //! Arc::pin_init(pin_init!(MyStruct {
60 //! type Pointer = Arc<MyStruct>;
62 //! fn run(this: Arc<MyStruct>) {
69 //! fn print_later(val: Arc<MyStruct>) {
78 //! use kernel::sync::Arc;
97 //! fn new(value_1: i32, value_2: i32) -> Result<Arc<Self>> {
98 //! Arc::pin_init(pin_init!(MyStruct {
108 //! type Pointer = Arc<MyStruct>;
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Ddevres.rs16 sync::Arc,
99 pub struct Devres<T>(Arc<DevresInner<T>>);
102 fn new(dev: &Device, data: T, flags: Flags) -> Result<Arc<DevresInner<T>>> { in new()
103 let inner = Arc::pin_init( in new()
112 // Convert `Arc<DevresInner>` into a raw pointer and make devres own this reference until in new()
125 let _ = unsafe { Arc::from_raw(data) }; in new()
136 fn remove_action(this: &Arc<Self>) { in remove_action()
151 // SAFETY: We leaked an `Arc` reference to devm_add_action() in `DevresInner::new`; if in remove_action()
154 let _ = unsafe { Arc::from_raw(this.as_ptr()) }; in remove_action()
161 // Devres owned this memory; now that we received the callback, drop the `Arc` and hence the in devres_callback()
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/linux-6.14.4/arch/arc/plat-axs10x/
DKconfig7 bool "Synopsys ARC AXS10x Software Development Platforms"
17 Support for the ARC AXS10x Software Development Platforms.
27 bool "AXS101 with AXC001 CPU Card (ARC 770D/EM6/AS221)"
29 This adds support for the 770D/EM6/AS221 CPU Card. Only the ARC
37 bool "AXS103 with AXC003 CPU Card (ARC HS38x)"
/linux-6.14.4/drivers/remoteproc/
Dmeson_mx_ao_arc.c74 * The SRAM content as seen by the ARC core always starts at 0x0 in meson_mx_ao_arc_rproc_start()
128 /* The memory from the ARC core's perspective always starts at 0x0. */ in meson_mx_ao_arc_rproc_da_to_va()
154 rproc = devm_rproc_alloc(dev, "meson-mx-ao-arc", in meson_mx_ao_arc_rproc_probe()
206 dev_err(dev, "Failed to get ARC reset\n"); in meson_mx_ao_arc_rproc_probe()
213 dev_err(dev, "Failed to get the ARC PCLK\n"); in meson_mx_ao_arc_rproc_probe()
241 { .compatible = "amlogic,meson8-ao-arc" },
242 { .compatible = "amlogic,meson8b-ao-arc" },
251 .name = "meson-mx-ao-arc-rproc",
257 MODULE_DESCRIPTION("Amlogic Meson6/8/8b/8m2 AO ARC remote processor driver");
/linux-6.14.4/Documentation/devicetree/bindings/serial/
Darc-uart.txt1 * Synopsys ARC UART : Non standard UART used in some of the ARC FPGA boards
4 - compatible : "snps,arc-uart"
13 compatible = "snps,arc-uart";
/linux-6.14.4/drivers/net/ethernet/arc/
DKconfig3 # ARC EMAC network device configuration
7 bool "ARC devices"
14 the questions about ARC cards. If you say Y, you will be asked for
21 depends on ARC || ARCH_ROCKCHIP || COMPILE_TEST
/linux-6.14.4/arch/arc/include/uapi/asm/
Dswab.h14 * -Hardware assisted single cycle bswap (Use Case of ARC custom instrn)
37 /* Several ways of Endian-Swap Emulation for ARC
39 * 1: ARC optimised "C"
40 * 2: ARC Custom instruction
50 * This generates 9 instructions on ARC (excluding the ld/st)
66 * (2) At the same time it takes advantage of ARC ISA (rotate intrns)
/linux-6.14.4/arch/sparc/include/asm/
Dmdesc.h43 /* MD arc iteration, the standard sequence is:
45 * unsigned long arc;
46 * mdesc_for_each_arc(arc, handle, node, MDESC_ARC_TYPE_{FWD,BACK}) {
47 * unsigned long target = mdesc_arc_target(handle, arc);
62 u64 mdesc_arc_target(struct mdesc_handle *hp, u64 arc);
/linux-6.14.4/drivers/accel/habanalabs/gaudi2/
Dgaudi2P.h53 /* Map all arcs dccm + arc schedulers acp blocks */
62 /* Within the user mapped array, decoder entries start post all the ARC related
485 * @active_hw_arc: This field contains a bit per ARC of an H/W engine with
486 * exception of TPC and NIC engines. Once an engine arc is
488 * identify each initialized ARC and use this information in
490 * of its corresponding ARC of the H/W engine.
503 * @active_tpc_arc: This field contains a bit per ARC of the TPC engines.
504 * Once an engine arc is initialized, its respective bit is
506 * corresponding ARC of the TPC engine.
508 * @active_nic_arc: This field contains a bit per ARC of the NIC engines.
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/linux-6.14.4/Documentation/devicetree/bindings/arc/
Dhsdk.txt1 Synopsys DesignWare ARC HS Development Kit Device Tree Bindings
4 ARC HSDK Board with quad-core ARC HS38x4 in silicon.
Dsnps,archs-pct.yaml4 $id: http://devicetree.org/schemas/arc/snps,archs-pct.yaml#
7 title: ARC HS Performance Counters
13 The ARC HS can be configured with a pipeline performance monitor for counting
/linux-6.14.4/arch/arm64/boot/dts/rockchip/
Drk3566-anbernic-rg-arc-s.dts8 #include "rk3566-anbernic-rg-arc.dtsi"
11 model = "Anbernic RG ARC-S";
12 compatible = "anbernic,rg-arc-s", "rockchip,rk3566";
/linux-6.14.4/drivers/clocksource/
Darc_timer.c26 #include <soc/arc/timers.h>
27 #include <soc/arc/mcip.h>
66 * an instance PER ARC CORE (not per cluster), and there are dedicated in arc_read_gfrc()
75 * defined in arch/arc/kernel/mcip.c in arc_read_gfrc()
207 .name = "ARC Timer1",
270 .name = "ARC Timer0",
349 "clockevents/arc/timer:starting", in arc_clockevent_setup()
373 TIMER_OF_DECLARE(arc_clkevt, "snps,arc-timer", arc_of_timer_init);

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