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/linux-6.14.4/Documentation/arch/arm/
Dbooting.rst9 The following documentation is relevant to 2.4.18-rmk6 and beyond.
11 In order to boot ARM Linux, you require a boot loader, which is a small
12 program that runs before the main kernel. The boot loader is expected
16 Essentially, the boot loader should provide (as a minimum) the
28 ---------------------------
35 The boot loader is expected to find and initialise all RAM that the
39 the RAM in the machine, or any other method the boot loader designer
44 -----------------------------
51 The boot loader should initialise and enable one serial port on the
56 As an alternative, the boot loader can pass the relevant 'console='
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/linux-6.14.4/drivers/hid/intel-ish-hid/ishtp/
Dloader.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * ISHTP firmware loader header
16 #include "ishtp-dev.h"
21 (IPC_PAYLOAD_SIZE - sizeof(struct ishtp_msg_hdr))
24 * ISHTP firmware loader protocol definition
26 #define LOADER_CMD_XFER_QUERY 0 /* SW -> FW */
27 #define LOADER_CMD_XFER_FRAGMENT 1 /* SW -> FW */
28 #define LOADER_CMD_START 2 /* SW -> FW */
30 /* Only support DMA mode */
34 * union loader_msg_header - ISHTP firmware loader message header
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/linux-6.14.4/Documentation/arch/x86/
Dboot.rst1 .. SPDX-License-Identifier: GPL-2.0
12 real-mode DOS as a mainstream operating system.
22 boot loader and the kernel. setup.S made relocatable,
28 Protocol 2.02 (Kernel 2.4.0-test3-pre3) New command line protocol.
31 safe for systems which use the EBDA from SMM or 32-bit
35 Protocol 2.03 (Kernel 2.4.18-pre1) Explicitly makes the highest possible
40 Protocol 2.05 (Kernel 2.6.20) Make protected mode kernel relocatable.
54 Protocol 2.09 (Kernel 2.6.26) Added a field of 64-bit physical
59 pref_address fields. Added extended boot loader IDs.
68 Protocol 2.13 (Kernel 3.14) Support 32- and 64-bit flags being set in
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/linux-6.14.4/security/tomoyo/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
11 This selects TOMOYO Linux, pathname-based access control.
17 int "Default maximal count for learning mode"
23 that are automatically appended into policy at "learning mode".
25 such programs in "learning mode" dulls the system response
41 bool "Activate without calling userspace policy loader."
45 Say Y here if you want to activate access control as soon as built-in
53 enforcing mode from the beginning, you can reduce the possibility of
57 string "Location of userspace policy loader"
58 default "/sbin/tomoyo-init"
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/linux-6.14.4/arch/arm64/boot/dts/apple/
Dt600x-common.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
11 #address-cells = <2>;
12 #size-cells = <2>;
15 #address-cells = <2>;
16 #size-cells = <0>;
18 cpu-map {
63 enable-method = "spin-table";
64 cpu-release-addr = <0 0>; /* To be filled by loader */
65 next-level-cache = <&l2_cache_0>;
66 i-cache-size = <0x20000>;
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Dt8103.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/interrupt-controller/apple-aic.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/pinctrl/apple.h>
16 compatible = "apple,t8103", "apple,arm-platform";
18 #address-cells = <2>;
19 #size-cells = <2>;
22 #address-cells = <2>;
23 #size-cells = <0>;
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/linux-6.14.4/Documentation/devicetree/bindings/power/reset/
Dreboot-mode.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/power/reset/reboot-mode.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic reboot mode core map
10 - Andy Yan <andy.yan@rock-chips.com>
13 This driver get reboot mode arguments and call the write
18 All mode properties are vendor specific, it is a indication to tell
20 as mode-xxx = <magic> (xxx is mode name, magic should be a non-zero value).
23 - normal: Normal reboot mode, system reboot with command "reboot".
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Dsyscon-reboot-mode.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/power/reset/syscon-reboot-mode.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Generic SYSCON reboot mode driver
10 - Sebastian Reichel <[email protected]>
13 This driver gets reboot mode magic value from reboot-mode driver
17 parental dt-node plus the offset. So the SYSCON reboot-mode node
18 should be represented as a sub-node of a "syscon", "simple-mfd" node.
22 const: syscon-reboot-mode
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/linux-6.14.4/drivers/hid/intel-ish-hid/
Dishtp-fw-loader.c1 // SPDX-License-Identifier: GPL-2.0
3 * ISH-TP client driver for ISH firmware loading
11 #include <linux/intel-ish-client-if.h>
23 * ISH Shim firmware loader reserves 4 Kb buffer in SRAM. The buffer is
25 * firmware loader. Reason for the odd size of 3968 bytes? Each IPC
33 * enum ish_loader_commands - ISH loader host commands.
34 * @LOADER_CMD_XFER_QUERY: Query the Shim firmware loader for
59 * Loader transfer modes:
61 * LOADER_XFER_MODE_ISHTP mode uses the existing ISH-TP mechanism to
63 * The buffer size is limited to 4 Kb by the IPC/ISH-TP protocol for
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/linux-6.14.4/arch/powerpc/platforms/cell/spufs/
Dinode.c1 // SPDX-License-Identifier: GPL-2.0-or-later
16 #include <linux/backing-dev.h>
44 return sb->s_fs_info; in spufs_get_sb_info()
56 ei->i_gang = NULL; in spufs_alloc_inode()
57 ei->i_ctx = NULL; in spufs_alloc_inode()
58 ei->i_openers = 0; in spufs_alloc_inode()
60 return &ei->vfs_inode; in spufs_alloc_inode()
73 inode_init_once(&ei->vfs_inode); in spufs_init_once()
77 spufs_new_inode(struct super_block *sb, umode_t mode) in spufs_new_inode() argument
85 inode->i_ino = get_next_ino(); in spufs_new_inode()
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Drun.c1 // SPDX-License-Identifier: GPL-2.0
14 /* interrupt-level stop callback function. */
17 struct spu_context *ctx = spu->ctx; in spufs_stop_callback()
30 ctx->csa.class_0_pending = spu->class_0_pending; in spufs_stop_callback()
31 ctx->csa.class_0_dar = spu->class_0_dar; in spufs_stop_callback()
34 ctx->csa.class_1_dsisr = spu->class_1_dsisr; in spufs_stop_callback()
35 ctx->csa.class_1_dar = spu->class_1_dar; in spufs_stop_callback()
45 wake_up_all(&ctx->stop_wq); in spufs_stop_callback()
58 *stat = ctx->ops->status_read(ctx); in spu_stopped()
62 * re-read the register to get the stopped value. in spu_stopped()
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/linux-6.14.4/arch/arm/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
162 The ARM series is a line of low-power-consumption RISC chip designs
164 handhelds such as the Compaq IPAQ. ARM-based PCs are no longer
165 manufactured, but legacy ARM-based PC hardware remains popular in
176 supported in LLD until version 14. The combined range is -/+ 256 MiB,
269 Patch phys-to-virt and virt-to-phys translation functions at
273 This can only be used with non-XIP MMU kernels where the base
319 bool "MMU-based Paged Memory Management Support"
322 Select if you want MMU-based virtualised addressing space
357 # This is sorted alphabetically by mach-* pathname. However, plat-*
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/linux-6.14.4/drivers/net/wireless/intel/ipw2x00/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
32 rather than built-in (Y). This driver requires firmware at device
33 initialization time, and when built-in this typically happens
37 including the firmware and a firmware loader in an initramfs.
40 bool "Enable promiscuous mode"
43 Enables promiscuous/monitor mode support for the ipw2100 driver.
45 promiscuous mode via the Wireless Tool's Monitor mode. While in this
46 mode, no packets can be sent.
91 rather than built-in (Y). This driver requires firmware at device
92 initialization time, and when built-in this typically happens
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/linux-6.14.4/arch/riscv/
DMakefile2 # architecture-specific flags and dependencies.
9 LDFLAGS_vmlinux := -z norelro
11 LDFLAGS_vmlinux += -shared -Bsymbolic -z notext --emit-relocs
12 KBUILD_CFLAGS += -fPIE
15 LDFLAGS_vmlinux += --no-relax
16 KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY
18 CC_FLAGS_FTRACE := -fpatchable-function-entry=4
20 CC_FLAGS_FTRACE := -fpatchable-function-entry=2
25 KBUILD_CFLAGS_MODULE += -mcmodel=medany
33 KBUILD_CFLAGS += -mabi=lp64
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/linux-6.14.4/Documentation/arch/arm64/
Dbooting.rst13 (EL0 - EL3), with EL0, EL1 and EL2 having a secure and a non-secure
15 level and exists only in secure mode. Both are architecturally optional.
17 For the purposes of this document, we will use the term `boot loader`
23 Essentially, the boot loader should provide (as a minimum) the
33 ---------------------------
37 The boot loader is expected to find and initialise all RAM that the
41 the RAM in the machine, or any other method the boot loader designer
49 -------------------------
53 The device tree blob (dtb) must be placed on an 8-byte boundary and must
62 ------------------------------
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/linux-6.14.4/arch/x86/realmode/rm/
Dtrampoline_common.S1 /* SPDX-License-Identifier: GPL-2.0 */
6 * When a bootloader hands off to the kernel in 32-bit mode an
7 * IDT with a 2-byte limit and 4-byte base is needed. When a boot
8 * loader hands off to a kernel 64-bit mode the base address
9 * extends to 8-bytes. Reserve enough space for either scenario.
/linux-6.14.4/drivers/tty/serial/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
19 comment "Non-8250 serial port support"
39 messages and warnings and which allows logins in single user mode).
45 your boot loader (lilo or loadlin) about how to pass options to the
67 messages and warnings and which allows logins in single user mode).
73 your boot loader (lilo or loadlin) about how to pass options to the
89 bool "Early console using RISC-V SBI"
95 Support for early debug console using RISC-V SBI. This enables
101 tristate "BCM1xxx on-chip DUART serial support"
107 the BCM1250 and derived System-On-a-Chip (SOC) devices. Note that
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/linux-6.14.4/drivers/scsi/qla2xxx/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
14 via the Firmware Loader interface.
17 ---------- -----------------
32 They are also included in the linux-firmware tree as well.
35 tristate "TCM_QLA2XXX fabric module for QLogic 24xx+ series target mode HBAs"
42 series target mode HBAs.
46 bool "TCM_QLA2XXX fabric module DEBUG mode for QLogic 24xx+ series target mode HBAs"
50 QLogic 24xx+ series target mode HBAs.
/linux-6.14.4/Documentation/sound/
Dalsa-configuration.rst2 Advanced Linux Sound Architecture - Driver Configuration guide
38 ----------
47 limiting card index for auto-loading (1-8);
49 For auto-loading more than one card, specify this option
50 together with snd-card-X aliases.
63 Module snd-pcm-oss
64 ------------------
86 regarding opening the device. When this option is non-zero,
90 Module snd-rawmidi
91 ------------------
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/linux-6.14.4/arch/arm/include/asm/
Dvirt.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
12 * Flag indicating that the kernel was not entered in the same mode on every
13 * CPU. The zImage loader stashes this value in an SPSR, so we need an
23 * __boot_cpu_mode records what mode the primary CPU was booted in.
24 * A correctly-implemented bootloader must start all CPUs in the same mode:
26 * that some CPU(s) were booted in a different mode.
50 /* Reports the availability of HYP mode */
/linux-6.14.4/arch/microblaze/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
56 big endian formats. Be sure to select the appropriate mode.
106 On some architectures there is currently no way for the boot loader
108 supply some command-line options at build time by entering them
117 override those passed by the boot loader.
176 If non-zero, a jump instruction to this address, will be written
/linux-6.14.4/arch/powerpc/boot/
Dmain.c1 // SPDX-License-Identifier: GPL-2.0-or-later
27 unsigned long vmlinuz_size = _vmlinux_end - _vmlinux_start; in prep_kernel()
35 /* assume uncompressed data if -1 is returned */ in prep_kernel()
36 if (len == -1) { in prep_kernel()
81 printf("Decompressing (0x%p <- 0x%p:0x%p)...\n\r", addr, in prep_kernel()
106 * supplied by the loader. */ in prep_initrd()
108 printf("Attached initrd image at 0x%p-0x%p\n\r", in prep_initrd()
111 initrd_size = _initrd_end - _initrd_start; in prep_initrd()
113 printf("Using loader supplied ramdisk at 0x%lx-0x%lx\n\r", in prep_initrd()
135 printf("Relocating initrd 0x%lx <- 0x%p (0x%lx bytes)\n\r", in prep_initrd()
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/linux-6.14.4/Documentation/devicetree/bindings/clock/
Dqcom,sc7280-lpasscc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/clock/qcom,sc7280-lpasscc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Taniya Das <[email protected]>
16 See also:: include/dt-bindings/clock/qcom,lpass-sc7280.h
21 - qcom,sc7280-lpasscc
25 - description: gcc_cfg_noc_lpass_clk from GCC
27 clock-names:
29 - const: iface
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/linux-6.14.4/drivers/net/wireless/intel/iwlwifi/fw/
Dimg.h1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (C) 2005-2014, 2018-2024 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
11 #include "api/dbg-tlv.h"
14 #include "error-dump.h"
67 return test_bit((__force long)api, capabilities->_api); in fw_has_api()
74 return test_bit((__force long)capa, capabilities->_capa); in fw_has_capa()
139 * enum iwl_fw_type - iwlwifi firmware type
149 * struct iwl_fw_dbg - debug data
176 * struct iwl_fw - variables associated with the firmware
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/linux-6.14.4/sound/soc/sof/intel/
Dhda-loader.c1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
15 * Hardware interface for HDA DSP code loader
24 #include "../ipc4-priv.h"
26 #include "../sof-priv.h"
31 MODULE_PARM_DESC(persistent_cl_buffer, "Persistent Code Loader DMA buffer "
32 "(default = Y, use N to force buffer re-allocation)");
36 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; in hda_ssp_set_cbp_cfp()
37 const struct sof_intel_dsp_desc *chip = hda->desc; in hda_ssp_set_cbp_cfp()
40 /* DSP is powered up, set all SSPs to clock consumer/codec provider mode */ in hda_ssp_set_cbp_cfp()
41 for (i = 0; i < chip->ssp_count; i++) { in hda_ssp_set_cbp_cfp()
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