data_type large_stringclasses 3
values | source large_stringclasses 29
values | code large_stringlengths 98 49.4M | filepath large_stringlengths 5 161 ⌀ | message large_stringclasses 234
values | commit large_stringclasses 234
values | subject large_stringclasses 418
values | critique large_stringlengths 101 1.26M ⌀ | metadata dict |
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source | linux | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __LOONGARCH_UAPI_ASM_UCONTEXT_H
#define __LOONGARCH_UAPI_ASM_UCONTEXT_H
/**
* struct ucontext - user context structure
* @uc_flags:
* @uc_link:
* @uc_stack:
* @uc_mcontext: holds basic processor state
* @uc_sigmask:
* @uc_extcontext: holds e... | arch/loongarch/include/uapi/asm/ucontext.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#include <asm/bitsperlong.h>
#if __BITS_PER_LONG == 32
#include <asm/unistd_32.h>
#else
#include <asm/unistd_64.h>
#endif | arch/loongarch/include/uapi/asm/unistd.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <linux/uaccess.h>
static inline int __get_inst(u32 *i, u32 *p, bool user)
{
return user ? get_user(*i, (u32 __user *)p) : get_kernel_nofault(*i, p);
}
static inline int __get_addr(unsigned long *a, unsigned long *p, bool user)
{
return user ? get_user(*a, (unsigned l... | arch/loongarch/kernel/access-helper.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* acpi.c - Architecture-Specific Low-Level ACPI Boot Support
*
* Author: Jianmin Lv <lvjianmin@loongson.cn>
* Huacai Chen <chenhuacai@loongson.cn>
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/init.h>
#include <linux/acpi.h>
#i... | arch/loongarch/kernel/acpi.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
#include <linux/export.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <asm/alternative.h>
#include <asm/cacheflush.h>
#include <asm/inst.h>
#include <asm/sections.h>
int __read_mostly alternatives_patched;
EXPORT_SYMBOL_GPL(alternatives_patched);
#define MAX_PATC... | arch/loongarch/kernel/alternative.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* asm-offsets.c: Calculate pt_regs and task_struct offsets.
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#define COMPILE_OFFSETS
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/kbuild.h>
#include <linux/suspend... | arch/loongarch/kernel/asm-offsets.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* LoongArch cacheinfo support
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/cacheinfo.h>
#include <linux/topology.h>
#include <asm/bootinfo.h>
#include <asm/cpu-info.h>
int init_cache_level(unsigned int cpu)
{
int cache_present =... | arch/loongarch/kernel/cacheinfo.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Processor capabilities determination functions.
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/ptrace.h>
#include <linux/smp.h>
#include <linux/stddef.h>
#include <linux/export.h>
#incl... | arch/loongarch/kernel/cpu-probe.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/crash_dump.h>
#include <linux/io.h>
#include <linux/uio.h>
ssize_t copy_oldmem_page(struct iov_iter *iter, unsigned long pfn,
size_t csize, unsigned long offset)
{
void *vaddr;
if (!csize)
return 0;
vaddr = memremap(__pfn_to_phys(pfn), PAGE_SIZE, MEMREMAP_... | arch/loongarch/kernel/crash_dump.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/acpi.h>
#include <linux/dma-direct.h>
void acpi_arch_dma_setup(struct device *dev)
{
int ret;
u64 mask, end;
const struct bus_dma_region *map = NULL;
ret = acpi_dma_get_range(dev, &map);
... | arch/loongarch/kernel/dma.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/pe.h>
#include <linux/sizes.h>
.macro __EFI_PE_HEADER
.long IMAGE_NT_SIGNATURE
.Lcoff_header:
#ifdef CONFIG_32BIT
.short IMAGE_FILE_MACHINE_LOONGARCH32 /* Machine */
#else
.short IMAGE... | arch/loongarch/kernel/efi-header.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* EFI initialization
*
* Author: Jianmin Lv <lvjianmin@loongson.cn>
* Huacai Chen <chenhuacai@loongson.cn>
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/acpi.h>
#include <linux/efi.h>
#include <linux/efi-bgrt.h>
#include <li... | arch/loongarch/kernel/efi.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Author: Huacai Chen <chenhuacai@loongson.cn>
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/binfmts.h>
#include <linux/elf.h>
#include <linux/sched.h>
#include <asm/cpu-features.h>
#include <asm/cpu-info.h>
int arch_elf_pt_proc(void *_... | arch/loongarch/kernel/elf.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*
* Derived from MIPS:
* Copyright (C) 1994 - 2000, 2001, 2003 Ralf Baechle
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
* Copyright (C) 2001 MIPS Technologies, Inc.
*/
#include <asm/asm.h>
#include ... | arch/loongarch/kernel/entry.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Author: Huacai Chen <chenhuacai@loongson.cn>
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/acpi.h>
#include <linux/clk.h>
#include <linux/efi.h>
#include <linux/export.h>
#include <linux/memblock.h>
#include <linux/of_clk.h>
#include ... | arch/loongarch/kernel/env.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Author: Lu Zeng <zenglu@loongson.cn>
* Pei Huang <huangpei@loongson.cn>
* Huacai Chen <chenhuacai@loongson.cn>
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/export.h>
#include <asm/asm.h>
#include <asm/asmmacro.h>... | arch/loongarch/kernel/fpu.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2022 Loongson Technology Corporation Limited
*/
#include <linux/init.h>
#include <linux/ftrace.h>
#include <linux/syscalls.h>
#include <linux/uaccess.h>
#include <asm/asm.h>
#include <asm/asm-offsets.h>
#include <asm/cacheflush.h>
#include <asm/inst.h>
#include... | arch/loongarch/kernel/ftrace.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Based on arch/arm64/kernel/ftrace.c
*
* Copyright (C) 2022 Loongson Technology Corporation Limited
*/
#include <linux/ftrace.h>
#include <linux/kprobes.h>
#include <linux/uaccess.h>
#include <asm/inst.h>
#include <asm/module.h>
static int ftrace_modify_code(unsigned long ... | arch/loongarch/kernel/ftrace_dyn.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*
* Derived from MIPS:
* Copyright (C) 1994 - 2000, 2001, 2003 Ralf Baechle
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
* Copyright (C) 2002, 2007 Maciej W. Rozycki
* Copyright (C) 2001, 2012 MIPS T... | arch/loongarch/kernel/genex.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/init.h>
#include <linux/threads.h>
#include <asm/addrspace.h>
#include <asm/asm.h>
#include <asm/asmmacro.h>
#include <asm/bug.h>
#include <asm/regdef.h>
#include <asm/loongarch.h>
#include ... | arch/loongarch/kernel/head.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2022-2023 Loongson Technology Corporation Limited
*/
#define pr_fmt(fmt) "hw-breakpoint: " fmt
#include <linux/hw_breakpoint.h>
#include <linux/kprobes.h>
#include <linux/perf_event.h>
#include <asm/hw_breakpoint.h>
/* Breakpoint currently in use for each BRP.... | arch/loongarch/kernel/hw_breakpoint.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* LoongArch idle loop support.
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/cpu.h>
#include <linux/irqflags.h>
#include <asm/cpu.h>
#include <asm/idle.h>
void __cpuidle arch_cpu_idle(void)
{
__arch_cpu_idle();
raw_local_irq_disable(... | arch/loongarch/kernel/idle.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#ifndef __LOONGARCH_KERNEL_IMAGE_VARS_H
#define __LOONGARCH_KERNEL_IMAGE_VARS_H
#ifdef CONFIG_EFI_STUB
__efistub_strcmp = strcmp;
__efistub_kernel_entry = kernel_entry;
__efistub_kernel_asize = ker... | arch/loongarch/kernel/image-vars.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/sizes.h>
#include <linux/uaccess.h>
#include <linux/set_memory.h>
#include <linux/stop_machine.h>
#include <asm/cacheflush.h>
#include <asm/inst.h>
static DEFINE_RAW_SPINLOCK(patch_lock);
voi... | arch/loongarch/kernel/inst.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/kernel.h>
#include <linux/acpi.h>
#include <linux/atomic.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irqchip.h>
#include <linux/kernel_stat.h... | arch/loongarch/kernel/irq.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2023 Loongson Technology Corporation Limited
*
* Based on arch/arm64/kernel/jump_label.c
*/
#include <linux/kernel.h>
#include <linux/jump_label.h>
#include <asm/inst.h>
void arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type)
{... | arch/loongarch/kernel/jump_label.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/init.h>
#include <linux/export.h>
#include <linux/debugfs.h>
#include <linux/kstrtox.h>
#include <asm/loongarch.h>
struct dentry *arch_debugfs_dir;
EXPORT_SYMBOL(arch_debugfs_dir);
static int sfb_state, tso_state;
static void set_sfb_state(void *info)
{
int val = ... | arch/loongarch/kernel/kdebugfs.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Load EFI vmlinux file for the kexec_file_load syscall.
*
* Author: Youling Tang <tangyouling@kylinos.cn>
* Copyright (C) 2025 KylinSoft Corporation.
*/
#define pr_fmt(fmt) "kexec_file(EFI): " fmt
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#i... | arch/loongarch/kernel/kexec_efi.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* Load ELF vmlinux file for the kexec_file_load syscall.
*
* Author: Youling Tang <tangyouling@kylinos.cn>
* Copyright (C) 2025 KylinSoft Corporation.
*/
#define pr_fmt(fmt) "kexec_file(ELF): " fmt
#include <linux/elf.h>
#include <linux/kexec.h>
#include <linux/slab.h>... | arch/loongarch/kernel/kexec_elf.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2023 Loongson Technology Corporation Limited
*/
#include <linux/cpu.h>
#include <linux/export.h>
#include <linux/init.h>
#include <asm/fpu.h>
#include <asm/smp.h>
static unsigned int euen_mask = CSR_EUEN_FPEN;
/*
* The critical section between kernel_fpu... | arch/loongarch/kernel/kfpu.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* LoongArch KGDB support
*
* Copyright (C) 2023 Loongson Technology Corporation Limited
*/
#include <linux/hw_breakpoint.h>
#include <linux/kdebug.h>
#include <linux/kgdb.h>
#include <linux/objtool.h>
#include <linux/processor.h>
#include <linux/ptrace.h>
#include <linux... | arch/loongarch/kernel/kgdb.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
#include <linux/kdebug.h>
#include <linux/kprobes.h>
#include <linux/preempt.h>
#include <asm/break.h>
#define KPROBE_BP_INSN __emit_break(BRK_KPROBE_BP)
#define KPROBE_SSTEPBP_INSN __emit_break(BRK_KPROBE_SSTEPBP)
DEFINE_PER_CPU(struct kprobe *, current_kprobe);
DEFINE_PER_C... | arch/loongarch/kernel/kprobes.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Author: Qi Hu <huqi@loongson.cn>
* Huacai Chen <chenhuacai@loongson.cn>
*
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
*/
#include <asm/asm.h>
#include <asm/asmmacro.h>
#include <asm/asm-extable.h>
#include <asm/asm-offsets.h>
#include <asm/e... | arch/loongarch/kernel/lbt.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* machine_kexec.c for kexec
*
* Copyright (C) 2022 Loongson Technology Corporation Limited
*/
#include <linux/compiler.h>
#include <linux/cpu.h>
#include <linux/kexec.h>
#include <linux/crash_dump.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/libfdt.h... | arch/loongarch/kernel/machine_kexec.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* kexec_file for LoongArch
*
* Author: Youling Tang <tangyouling@kylinos.cn>
* Copyright (C) 2025 KylinSoft Corporation.
*
* Most code is derived from LoongArch port of kexec-tools
*/
#define pr_fmt(fmt) "kexec_file: " fmt
#include <linux/ioport.h>
#include <linux/kernel.... | arch/loongarch/kernel/machine_kexec_file.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* LoongArch specific _mcount support
*
* Copyright (C) 2022 Loongson Technology Corporation Limited
*/
#include <linux/export.h>
#include <asm/ftrace.h>
#include <asm/regdef.h>
#include <asm/stackframe.h>
.text
#define MCOUNT_S0_OFFSET (0)
#define MCOUNT_RA_OFFSET (SZRE... | arch/loongarch/kernel/mcount.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2022 Loongson Technology Corporation Limited
*/
#include <asm/ftrace.h>
#include <asm/regdef.h>
#include <asm/stackframe.h>
.text
/*
* Due to -fpatchable-function-entry=2: the compiler inserted 2 NOPs before the
* regular C function prologue. When PC arri... | arch/loongarch/kernel/mcount_dyn.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/efi.h>
#include <linux/initrd.h>
#include <linux/memblock.h>
#include <asm/bootinfo.h>
#include <asm/loongson.h>
#include <asm/sections.h>
void __init memblock_init(void)
{
u32 mem_t... | arch/loongarch/kernel/mem.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/elf.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleloader.h>
#include <linux/ftrace.h>
#include <linux/sort.h>
Elf_Addr module_emit_got_entry(struct module *mod, ... | arch/loongarch/kernel/module-sections.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0+
/*
* Author: Hanlu Li <lihanlu@loongson.cn>
* Huacai Chen <chenhuacai@loongson.cn>
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#define pr_fmt(fmt) "kmod: " fmt
#include <linux/moduleloader.h>
#include <linux/elf.h>
#include <linux/mm.h>
#inc... | arch/loongarch/kernel/module.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Author: Xiang Gao <gaoxiang@loongson.cn>
* Huacai Chen <chenhuacai@loongson.cn>
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/mmzone.h>
#include <linux... | arch/loongarch/kernel/numa.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/irq_work.h>
#include <linux/jump_label.h>
#include <linux/kvm_para.h>
#include <linux/reboot.h>
#include <linux/static_call.h>
#include <linux/sched/cputime.h>
#include <asm/paravirt.h>
static int has_steal_clock;... | arch/loongarch/kernel/paravirt.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Linux performance counter support for LoongArch.
*
* Copyright (C) 2022 Loongson Technology Corporation Limited
*
* Derived from MIPS:
* Copyright (C) 2010 MIPS Technologies, Inc.
* Copyright (C) 2011 Cavium Networks, Inc.
* Author: Deng-Cheng Zhu
*/
#include <linux/cp... | arch/loongarch/kernel/perf_event.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2022 Loongson Technology Corporation Limited
*
* Derived from MIPS:
* Copyright (C) 2013 Cavium, Inc.
*/
#include <linux/perf_event.h>
#include <asm/ptrace.h>
#ifdef CONFIG_32BIT
u64 perf_reg_abi(struct task_struct *tsk)
{
return PERF_SAMPLE_REGS_ABI_32;
}... | arch/loongarch/kernel/perf_regs.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
#include <asm/bootinfo.h>
#include <asm/cpu.h>
#include <asm/cpu-features.h>
#include <asm/idle.h>
#includ... | arch/loongarch/kernel/proc.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Author: Huacai Chen <chenhuacai@loongson.cn>
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*
* Derived from MIPS:
* Copyright (C) 1994 - 1999, 2000 by Ralf Baechle and others.
* Copyright (C) 2005, 2006 by Ralf Baechle (ralf@linux-mips.org)
* Copyright... | arch/loongarch/kernel/process.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Author: Hanlu Li <lihanlu@loongson.cn>
* Huacai Chen <chenhuacai@loongson.cn>
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*
* Derived from MIPS:
* Copyright (C) 1992 Ross Biro
* Copyright (C) Linus Torvalds
* Copyright (C) 1994, 95, 96, 9... | arch/loongarch/kernel/ptrace.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Support for Kernel relocation at boot time
*
* Copyright (C) 2023 Loongson Technology Corporation Limited
*/
#include <linux/elf.h>
#include <linux/kernel.h>
#include <linux/printk.h>
#include <linux/panic_notifier.h>
#include <linux/start_kernel.h>
#include <asm/bootinfo.h... | arch/loongarch/kernel/relocate.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* relocate_kernel.S for kexec
*
* Copyright (C) 2022 Loongson Technology Corporation Limited
*/
#include <linux/kexec.h>
#include <asm/asm.h>
#include <asm/asmmacro.h>
#include <asm/regdef.h>
#include <asm/loongarch.h>
#include <asm/stackframe.h>
#include <asm/addrspace.h... | arch/loongarch/kernel/relocate_kernel.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/kernel.h>
#include <linux/acpi.h>
#include <linux/efi.h>
#include <linux/export.h>
#include <linux/pm.h>
#include <linux/types.h>
#include <linux/reboot.h>
#include <linux/delay.h>
#include <lin... | arch/loongarch/kernel/reset.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Generic return hook for LoongArch.
*/
#include <linux/kprobes.h>
#include <linux/rethook.h>
#include "rethook.h"
/* This is called from arch_rethook_trampoline() */
unsigned long __used arch_rethook_trampoline_callback(struct pt_regs *regs)
{
return rethook_trampoline_handl... | arch/loongarch/kernel/rethook.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LOONGARCH_RETHOOK_H
#define __LOONGARCH_RETHOOK_H
unsigned long arch_rethook_trampoline_callback(struct pt_regs *regs);
void arch_rethook_prepare(struct rethook_node *rhn, struct pt_regs *regs, bool mcount);
#endif | arch/loongarch/kernel/rethook.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0+ */
#include <linux/linkage.h>
#include <asm/stackframe.h>
.text
.macro save_all_base_regs
cfi_st ra, PT_R1
cfi_st tp, PT_R2
cfi_st a0, PT_R4
cfi_st a1, PT_R5
cfi_st a2, PT_R6
cfi_st a3, PT_R7
cfi_st a4, PT_R8
cfi_st a5, PT_R9
cfi_st a6, PT_R10
cfi_st a7, PT_R11
cfi_s... | arch/loongarch/kernel/rethook_trampoline.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*
* Derived from MIPS:
* Copyright (C) 1995 Linus Torvalds
* Copyright (C) 1995 Waldorf Electronics
* Copyright (C) 1994, 95, 96, 97, 98, 99, 2000, 01, 02, 03 Ralf Baechle
* Copyright (C) 1996 Stoned Elipot
... | arch/loongarch/kernel/setup.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0+
/*
* Author: Hanlu Li <lihanlu@loongson.cn>
* Huacai Chen <chenhuacai@loongson.cn>
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*
* Derived from MIPS:
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright (C) 1994 - 2000 Ralf Baechle
* Copyrigh... | arch/loongarch/kernel/signal.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*
* Derived from MIPS:
* Copyright (C) 2000, 2001 Kanoj Sarcar
* Copyright (C) 2000, 2001 Ralf Baechle
* Copyright (C) 2000, 2001 Silicon Graphics, Inc.
* Copyright (C) 2000, 2001, 2003 Broadcom Corp... | arch/loongarch/kernel/smp.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Stack trace management functions
*
* Copyright (C) 2022 Loongson Technology Corporation Limited
*/
#include <linux/sched.h>
#include <linux/stacktrace.h>
#include <linux/uaccess.h>
#include <asm/stacktrace.h>
#include <asm/unwind.h>
void arch_stack_walk(stack_trace_consume... | arch/loongarch/kernel/stacktrace.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <asm/asm.h>
#include <asm/asmmacro.h>
#include <asm/asm-offsets.h>
#include <asm/loongarch.h>
#include <asm/regdef.h>
#include <asm/stackframe.h>
#include <asm/thread_info.h>
/*
* task_struct *__s... | arch/loongarch/kernel/switch.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0+
/*
* Author: Hanlu Li <lihanlu@loongson.cn>
* Huacai Chen <chenhuacai@loongson.cn>
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/capability.h>
#include <linux/entry-common.h>
#include <linux/errno.h>
#include <linux/linkage.h>
#i... | arch/loongarch/kernel/syscall.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* LoongArch specific sysrq operations.
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/spinlock.h>
#include <linux/sysrq.h>
#include <linux/workqueue.h>
#include <asm/cpu-features.h>
#includ... | arch/loongarch/kernel/sysrq.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Common time service routines for LoongArch machines.
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/clockchips.h>
#include <linux/cpuhotplug.h>
#include <linux/delay.h>
#include <linux/export.h>
#include <linux/init.h>
#include <linux/... | arch/loongarch/kernel/time.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/acpi.h>
#include <linux/cpu.h>
#include <linux/cpumask.h>
#include <linux/init.h>
#include <linux/node.h>
#include <linux/nodemask.h>
#include <linux/percpu.h>
#include <asm/bootinfo.h>
#include <acpi/processor.h>
#ifdef CONFIG_HOTPLUG_CPU
bool arch_cpu_is_hotplugga... | arch/loongarch/kernel/topology.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Author: Huacai Chen <chenhuacai@loongson.cn>
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/bitfield.h>
#include <linux/bitops.h>
#include <linux/bug.h>
#include <linux/compiler.h>
#include <linux/context_tracking.h>
#include <linux/entry... | arch/loongarch/kernel/traps.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Handle unaligned accesses by emulation.
*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*
* Derived from MIPS:
* Copyright (C) 1996, 1998, 1999, 2002 by Ralf Baechle
* Copyright (C) 1999 Silicon Graphics, Inc.
* Copyright (C) 2014 Imagination Technolo... | arch/loongarch/kernel/unaligned.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2022-2023 Loongson Technology Corporation Limited
*/
#include <linux/kernel.h>
#include <linux/ftrace.h>
#include <asm/unwind.h>
bool default_next_frame(struct unwind_state *state)
{
struct stack_info *info = &state->stack_info;
unsigned long addr;
if (unwi... | arch/loongarch/kernel/unwind.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2022 Loongson Technology Corporation Limited
*/
#include <asm/unwind.h>
#include <linux/export.h>
unsigned long unwind_get_return_address(struct unwind_state *state)
{
return __unwind_get_return_address(state);
}
EXPORT_SYMBOL_GPL(unwind_get_return_address);
v... | arch/loongarch/kernel/unwind_guess.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
#include <linux/export.h>
#include <linux/module.h>
#include <linux/objtool.h>
#include <linux/sort.h>
#include <asm/exception.h>
#include <asm/orc_header.h>
#include <asm/orc_lookup.h>
#include <asm/orc_types.h>
#include <asm/ptrace.h>
#include <asm/setup.h>
#include <asm/stack... | arch/loongarch/kernel/unwind_orc.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2022 Loongson Technology Corporation Limited
*/
#include <linux/cpumask.h>
#include <linux/export.h>
#include <linux/ftrace.h>
#include <linux/kallsyms.h>
#include <asm/inst.h>
#include <asm/loongson.h>
#include <asm/ptrace.h>
#include <asm/setup.h>
#include <as... | arch/loongarch/kernel/unwind_prologue.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
#include <linux/highmem.h>
#include <linux/ptrace.h>
#include <linux/sched.h>
#include <linux/uprobes.h>
#include <asm/cacheflush.h>
#define UPROBE_TRAP_NR UINT_MAX
int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe,
struct mm_struct *mm, unsigned long addr)
{
i... | arch/loongarch/kernel/uprobes.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Author: Huacai Chen <chenhuacai@loongson.cn>
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/binfmts.h>
#include <linux/elf.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/kernel.h>
#include <li... | arch/loongarch/kernel/vdso.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <linux/sizes.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
#include <asm/orc_lookup.h>
#define PAGE_SIZE _PAGE_SIZE
#define RO_EXCEPTION_TABLE_ALIGN 4
#define PHYSADDR_MASK 0xffffffffffff /* 48-bit */
/*
* Put .bss..swapper_pg_dir as the first thing in... | arch/loongarch/kernel/vmlinux.lds.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
*/
#include <linux/err.h>
#include <linux/errno.h>
#include <linux/kvm_host.h>
#include <linux/module.h>
#include <linux/preempt.h>
#include <linux/vmalloc.h>
#include <trace/events/kvm.h>
#include <asm/fpu.h>
#i... | arch/loongarch/kvm/exit.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
*/
#include <linux/err.h>
#include <linux/errno.h>
#include <asm/kvm_csr.h>
#include <asm/kvm_vcpu.h>
static unsigned int priority_to_irq[EXCCODE_INT_NUM] = {
[INT_TI] = CPU_TIMER,
[INT_IPI] = CPU_IPI,
[INT_S... | arch/loongarch/kvm/interrupt.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2024 Loongson Technology Corporation Limited
*/
#include <linux/kvm_host.h>
#include <trace/events/kvm.h>
#include <asm/kvm_pch_pic.h>
static int kvm_set_pic_irq(struct kvm_kernel_irq_routing_entry *e,
struct kvm *kvm, int irq_source_id, int level, bool line_... | arch/loongarch/kvm/irqfd.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
*/
#include <linux/err.h>
#include <linux/module.h>
#include <linux/kvm_host.h>
#include <asm/cacheflush.h>
#include <asm/cpufeature.h>
#include <asm/kvm_csr.h>
#include <asm/kvm_eiointc.h>
#include <asm/kvm_pch_... | arch/loongarch/kvm/main.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
*/
#include <linux/highmem.h>
#include <linux/hugetlb.h>
#include <linux/kvm_host.h>
#include <linux/page-flags.h>
#include <linux/uaccess.h>
#include <asm/mmu_context.h>
#include <asm/pgalloc.h>
#include <asm/tl... | arch/loongarch/kvm/mmu.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
*/
#include <linux/linkage.h>
#include <asm/asm.h>
#include <asm/asmmacro.h>
#include <asm/loongarch.h>
#include <asm/regdef.h>
#include <asm/unwind_hints.h>
#define HGPR_OFFSET(x) (PT_R0 + 8*x)
#define GGPR... | arch/loongarch/kvm/switch.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
*/
#include <linux/kvm_host.h>
#include <asm/delay.h>
#include <asm/kvm_csr.h>
#include <asm/kvm_vcpu.h>
/*
* ktime_to_tick() - Scale ktime_t to timer tick value.
*/
static inline u64 ktime_to_tick(struct kvm_... | arch/loongarch/kvm/timer.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
*/
#include <linux/kvm_host.h>
#include <asm/tlb.h>
#include <asm/kvm_csr.h>
/*
* kvm_flush_tlb_all() - Flush all root TLB entries for guests.
*
* Invalidate all entries including GVA-->GPA and GPA-->HPA mapp... | arch/loongarch/kvm/tlb.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
*/
#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_KVM_H
#include <linux/tracepoint.h>
#include <asm/kvm_csr.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm
/*
* Tracepoints f... | arch/loongarch/kvm/trace.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
*/
#include <linux/kvm_host.h>
#include <asm/fpu.h>
#include <asm/lbt.h>
#include <asm/loongarch.h>
#include <asm/setup.h>
#include <asm/time.h>
#include <asm/timex.h>
#define CREATE_TRACE_POINTS
#include "trace... | arch/loongarch/kvm/vcpu.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2023 Loongson Technology Corporation Limited
*/
#include <linux/kvm_host.h>
#include <asm/kvm_mmu.h>
#include <asm/kvm_vcpu.h>
#include <asm/kvm_csr.h>
#include <asm/kvm_eiointc.h>
#include <asm/kvm_pch_pic.h>
const struct _kvm_stats_desc kvm_vm_stats_desc... | arch/loongarch/kvm/vm.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2024 Loongson Technology Corporation Limited
*/
#include <asm/kvm_eiointc.h>
#include <asm/kvm_vcpu.h>
#include <linux/count_zeros.h>
static void eiointc_set_sw_coreisr(struct loongarch_eiointc *s)
{
int ipnum, cpu, cpuid, irq;
struct kvm_vcpu *vcpu;
for (i... | arch/loongarch/kvm/intc/eiointc.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2024 Loongson Technology Corporation Limited
*/
#include <linux/kvm_host.h>
#include <asm/kvm_ipi.h>
#include <asm/kvm_vcpu.h>
static void ipi_set(struct kvm_vcpu *vcpu, uint32_t data)
{
uint32_t status;
struct kvm_interrupt irq;
spin_lock(&vcpu->arch.ipi_s... | arch/loongarch/kvm/intc/ipi.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2024 Loongson Technology Corporation Limited
*/
#include <asm/kvm_eiointc.h>
#include <asm/kvm_pch_pic.h>
#include <asm/kvm_vcpu.h>
#include <linux/count_zeros.h>
/* update the isr according to irq level and route irq to eiointc */
static void pch_pic_update_ir... | arch/loongarch/kvm/intc/pch_pic.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/export.h>
#include <linux/compiler.h>
#include <uapi/linux/swab.h>
/* To silence -Wmissing-prototypes. */
unsigned long long __bswapdi2(unsigned long long u);
unsigned long long notrace __bswapdi2(unsigned long long u)
{
return ___constant_swab64(u);
}
EXPORT_SYMBO... | arch/loongarch/lib/bswapdi.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/export.h>
#include <linux/compiler.h>
#include <uapi/linux/swab.h>
/* To silence -Wmissing-prototypes. */
unsigned int __bswapsi2(unsigned int u);
unsigned int notrace __bswapsi2(unsigned int u)
{
return ___constant_swab32(u);
}
EXPORT_SYMBOL(__bswapsi2); | arch/loongarch/lib/bswapsi.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/export.h>
#include <asm/alternative-asm.h>
#include <asm/asm.h>
#include <asm/asmmacro.h>
#include <asm/asm-extable.h>
#include <asm/cpu.h>
#include <asm/regdef.h>
#include <asm/unwind_hints... | arch/loongarch/lib/clear_user.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/export.h>
#include <asm/alternative-asm.h>
#include <asm/asm.h>
#include <asm/asmmacro.h>
#include <asm/asm-extable.h>
#include <asm/cpu.h>
#include <asm/regdef.h>
#include <asm/unwind_hints... | arch/loongarch/lib/copy_user.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
// Copyright (C) 2019-2020 Arm Ltd.
#include <linux/compiler.h>
#include <linux/export.h>
#include <linux/kasan-checks.h>
#include <linux/kernel.h>
#include <net/checksum.h>
static u64 accumulate(u64 sum, u64 data)
{
sum += data;
if (sum < data)
sum += 1;
return sum;
}
... | arch/loongarch/lib/csum.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/delay.h>
#include <linux/export.h>
#include <linux/smp.h>
#include <linux/timex.h>
#include <asm/processor.h>
void __delay(unsigned long cycles)
{
u64 t0 = get_cycles();
while ((unsigned lo... | arch/loongarch/lib/delay.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*
* Derived from MIPS:
* Copyright (C) 1994, 1995 by Waldorf Electronics, written by Ralf Baechle.
* Copyright (C) 1999 by Silicon Graphics, Inc.
*/
#include <linux/kernel.h>
#include <linux/mm.h>
#include <a... | arch/loongarch/lib/dump_tlb.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/error-injection.h>
#include <linux/kprobes.h>
void override_function_with_return(struct pt_regs *regs)
{
instruction_pointer_set(regs, regs->regs[1]);
}
NOKPROBE_SYMBOL(override_function_with_return); | arch/loongarch/lib/error-inject.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/export.h>
#include <asm/alternative-asm.h>
#include <asm/asm.h>
#include <asm/asmmacro.h>
#include <asm/cpu.h>
#include <asm/regdef.h>
#include <asm/unwind_hints.h>
.section .noinstr.text, ... | arch/loongarch/lib/memcpy.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/export.h>
#include <asm/alternative-asm.h>
#include <asm/asm.h>
#include <asm/asmmacro.h>
#include <asm/cpu.h>
#include <asm/regdef.h>
.section .noinstr.text, "ax"
SYM_FUNC_START(memmove)
... | arch/loongarch/lib/memmove.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/export.h>
#include <asm/alternative-asm.h>
#include <asm/asm.h>
#include <asm/asmmacro.h>
#include <asm/cpu.h>
#include <asm/regdef.h>
#include <asm/unwind_hints.h>
.macro fill_to_64 r0
bs... | arch/loongarch/lib/memset.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0-only */
#include <asm/asmmacro.h>
#include <linux/export.h>
#include <linux/linkage.h>
SYM_FUNC_START(__ashlti3)
srli.d t2, a0, 1
nor t3, zero, a2
sll.d t1, a1, a2
srl.d t2, t2, t3
andi t0, a2, 64
sll.d a0, a0, a2
or t1, t2, t1
maskeqz a1, a0, t0
masknez a0, a0, t0
maskne... | arch/loongarch/lib/tishift.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
*/
#include <linux/linkage.h>
#include <asm/asm.h>
#include <asm/asmmacro.h>
#include <asm/asm-extable.h>
#include <asm/errno.h>
#include <asm/regdef.h>
.L_fixup_handle_unaligned:
li.w a0, -EFAULT
jr ra
/... | arch/loongarch/lib/unaligned.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-or-later
/*
* LoongArch SIMD XOR operations
*
* Copyright (C) 2023 WANG Xuerui <git@xen0n.name>
*/
#include "xor_simd.h"
/*
* Process one cache line (64 bytes) per loop. This is assuming all future
* popular LoongArch cores are similar performance-characteristics-wise to the
... | arch/loongarch/lib/xor_simd.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Simple interface to link xor_simd.c and xor_simd_glue.c
*
* Separating these files ensures that no SIMD instructions are run outside of
* the kfpu critical section.
*/
#ifndef __LOONGARCH_LIB_XOR_SIMD_H
#define __LOONGARCH_LIB_XOR_SIMD_H
#ifdef CONFIG_CPU_HAS_... | arch/loongarch/lib/xor_simd.h | null | null | null | null | null |
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