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 |
|---|---|---|---|---|---|---|---|---|
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* This may not use any stack, nor any variable that is not "NoSave":
*
* Its rewriting one kernel image with another. What is stack in "old"
* image could very well be data page in "new" image, and overwriting
* your own stack under you is bad idea.
*/
#include <linux/li... | arch/x86/power/hibernate_asm_32.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0-only */
/*
* Hibernation support for x86-64
*
* Copyright 2007 Rafael J. Wysocki <rjw@sisk.pl>
* Copyright 2005 Andi Kleen <ak@suse.de>
* Copyright 2004 Pavel Machek <pavel@suse.cz>
*
* swsusp_arch_resume must not use any stack or any nonlocal variables while
* copying pages:... | arch/x86/power/hibernate_asm_64.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2003,2004 Eric Biederman (ebiederm@xmission.com)
* Copyright (C) 2014 Red Hat Inc.
* Author(s): Vivek Goyal <vgoyal@redhat.com>
*
* This code has been taken from kexec-tools.
*/
#include <linux/linkage.h>
.text
.balign 16
.code64
SYM_CODE_STA... | arch/x86/purgatory/entry64.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
.section .rodata, "a"
.align 8
kexec_purgatory:
.globl kexec_purgatory
.incbin "arch/x86/purgatory/purgatory.ro"
.Lkexec_purgatory_end:
.align 8
kexec_purgatory_size:
.globl kexec_purgatory_size
.quad .Lkexec_purgatory_end - kexec_purgatory | arch/x86/purgatory/kexec-purgatory.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* purgatory: Runs between two kernels
*
* Copyright (C) 2014 Red Hat Inc.
*
* Author:
* Vivek Goyal <vgoyal@redhat.com>
*/
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <crypto/sha2.h>
#include <asm/purgatory.h>
#include "..... | arch/x86/purgatory/purgatory.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0-only */
/*
* purgatory: setup code
*
* Copyright (C) 2003,2004 Eric Biederman (ebiederm@xmission.com)
* Copyright (C) 2014 Red Hat Inc.
*
* This code has been taken from kexec-tools.
*/
#include <linux/linkage.h>
#include <asm/purgatory.h>
.text
.balign 16
.code64
SYM_C... | arch/x86/purgatory/setup-x86_64.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0-only */
/*
* purgatory: stack
*
* Copyright (C) 2014 Red Hat Inc.
*/
#include <linux/linkage.h>
/* A stack for the loaded kernel.
* Separate and in the data section so it can be prepopulated.
*/
.data
.balign 4096
SYM_DATA_START(stack)
.skip 4096
SYM_DATA_END_LABEL(st... | arch/x86/purgatory/stack.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/memblock.h>
#include <linux/cc_platform.h>
#include <linux/pgtable.h>
#include <asm/set_memory.h>
#include <asm/realmode.h>
#include <asm/tlbflush.h>
#include <asm/crash.h>
#include <asm/msr.h>
#include <asm/sev.h>
struc... | arch/x86/realmode/init.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Wrapper script for the realmode binary as a transport object
* before copying to low memory.
*/
#include <linux/linkage.h>
#include <asm/page_types.h>
.section ".init.data","aw"
.balign PAGE_SIZE
SYM_DATA_START(real_mode_blob)
.incbin "arch/x86/realmode/rm/realmode.b... | arch/x86/realmode/rmpiggy.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Real-mode blob header; this should match realmode.h and be
* readonly; for mutable data instead add pointers into the .data
* or .bss sections as appropriate.
*/
#include <linux/linkage.h>
#include <asm/page_types.h>
#include <asm/segment.h>
#include "realmode.h"
.se... | arch/x86/realmode/rm/header.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef ARCH_X86_REALMODE_RM_REALMODE_H
#define ARCH_X86_REALMODE_RM_REALMODE_H
#ifdef __ASSEMBLER__
/*
* 16-bit ljmpw to the real_mode_seg
*
* This must be open-coded since gas will choke on using a
* relocatable symbol for the segment portion.
*/
#define LJMPW_RM(to) .byt... | arch/x86/realmode/rm/realmode.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* realmode.lds.S
*
* Linker script for the real-mode code
*/
#include <asm/page_types.h>
#undef i386
OUTPUT_FORMAT("elf32-i386")
OUTPUT_ARCH(i386)
ENTRY(pa_text_start)
SECTIONS
{
real_mode_seg = 0;
. = 0;
.header : {
pa_real_mode_base = .;
*(.header)
}
. = AL... | arch/x86/realmode/rm/realmode.lds.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/desc_defs.h>
#include <asm/segment.h>
#include <asm/page_types.h>
#include <asm/processor-flags.h>
#include <asm/msr-index.h>
#include "realmode.h"
/*
* The following code and data reboots the machine by switching to real
* mode and jump... | arch/x86/realmode/rm/reboot.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Common heap and stack allocations
*/
#include <linux/linkage.h>
.data
SYM_DATA(HEAP, .long rm_heap)
SYM_DATA(heap_end, .long rm_stack)
.bss
.balign 16
SYM_DATA(rm_heap, .space 2048)
SYM_DATA_START(rm_stack)
.space 2048
SYM_DATA_END_LABEL(rm_stack, SYM_L_GLOBAL, rm_... | arch/x86/realmode/rm/stack.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
*
* Trampoline.S Derived from Setup.S by Linus Torvalds
*
* 4 Jan 1997 Michael Chastain: changed to gnu as.
*
* This is only used for booting secondary CPUs in SMP machine
*
* Entry: CS:IP point to the start of our code, we are
* in real mode with no stack, but the res... | arch/x86/realmode/rm/trampoline_32.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
*
* Trampoline.S Derived from Setup.S by Linus Torvalds
*
* 4 Jan 1997 Michael Chastain: changed to gnu as.
* 15 Sept 2005 Eric Biederman: 64bit PIC support
*
* Entry: CS:IP point to the start of our code, we are
* in real mode with no stack, but the rest of the
* tram... | arch/x86/realmode/rm/trampoline_64.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
.section ".rodata","a"
.balign 16
/*
* When a bootloader hands off to the kernel in 32-bit mode an
* IDT with a 2-byte limit and 4-byte base is needed. When a boot
* loader hands off to a kernel 64-bit mode the base address
* extends to 8-bytes. Reserve enough space for eit... | arch/x86/realmode/rm/trampoline_common.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include "wakeup.h"
#include "boot.h"
static void udelay(int loops)
{
while (loops--)
io_delay(); /* Approximately 1 us */
}
static void beep(unsigned int hz)
{
u8 enable;
if (!hz) {
enable = 0x00; /* Turn off speaker */
} else {
u16 div = 1193181/hz;
outb(0xb6, 0x43... | arch/x86/realmode/rm/wakemain.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Definitions for the wakeup data structure at the head of the
* wakeup code.
*/
#ifndef ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
#define ARCH_X86_KERNEL_ACPI_RM_WAKEUP_H
#ifndef __ASSEMBLER__
#include <linux/types.h>
/* This must match data at wakeup.S */
struct wakeup_header {
... | arch/x86/realmode/rm/wakeup.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* ACPI wakeup real mode startup stub
*/
#include <linux/linkage.h>
#include <asm/segment.h>
#include <asm/msr-index.h>
#include <asm/page_types.h>
#include <asm/pgtable_types.h>
#include <asm/processor-flags.h>
#include "realmode.h"
#include "wakeup.h"
.code16
/* This shou... | arch/x86/realmode/rm/wakeup_asm.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-or-later
/*
*
* Copyright (C) IBM Corporation, 2009
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include <stdarg.h>
#include <linux/kallsyms.h>
#include <asm/insn.h>
#include <inat.c>
#include <insn.c>
/*
* Test of inst... | arch/x86/tools/insn_decoder_test.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-or-later
/*
* x86 decoder sanity test - based on test_get_insn.c
*
* Copyright (C) IBM Corporation, 2009
* Copyright (C) Hitachi, Ltd., 2011
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include <sys/types.h>
#include <sy... | arch/x86/tools/insn_sanity.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/* This is included from relocs_32/64.c */
#define ElfW(type) _ElfW(ELF_BITS, type)
#define _ElfW(bits, type) __ElfW(bits, type)
#define __ElfW(bits, type) Elf##bits##_##type
#define Elf_Addr ElfW(Addr)
#define Elf_Ehdr ElfW(Ehdr)
#define Elf_Phdr ElfW(Phdr)
#define Elf_Shdr E... | arch/x86/tools/relocs.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef RELOCS_H
#define RELOCS_H
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdint.h>
#include <inttypes.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <elf.h>
#include <byteswap.h>
#define USE_BSD
#include <endian.h>
#include <r... | arch/x86/tools/relocs.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include "relocs.h"
#define ELF_BITS 32
#define ELF_MACHINE EM_386
#define ELF_MACHINE_NAME "i386"
#define SHT_REL_TYPE SHT_REL
#define Elf_Rel ElfW(Rel)
#define ELF_CLASS ELFCLASS32
#define ELF_R_SYM(val) ELF32_R_SYM(val)
#define ELF_R_TYPE(val) ELF32_R_TYPE(val)
#define E... | arch/x86/tools/relocs_32.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include "relocs.h"
#define ELF_BITS 64
#define ELF_MACHINE EM_X86_64
#define ELF_MACHINE_NAME "x86_64"
#define SHT_REL_TYPE SHT_RELA
#define Elf_Rel Elf64_Rela
#define ELF_CLASS ELFCLASS64
#define ELF_R_SYM(val) ... | arch/x86/tools/relocs_64.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include "relocs.h"
void die(char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
exit(1);
}
static void usage(void)
{
die("relocs [--abs-syms|--abs-relocs|--reloc-info|--text|--realmode]" \
" vmlinux\n");
}
int main(int argc, char **a... | arch/x86/tools/relocs_common.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* vdso2c - A vdso image preparation tool
* Copyright (c) 2014 Andy Lutomirski and others
*
* vdso2c requires stripped and unstripped input. It would be trivial
* to fully strip the input in here, but, for reasons described below,
* we need to write a section table. Do... | arch/x86/tools/vdso2c.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* This file is included twice from vdso2c.c. It generates code for 32-bit
* and 64-bit vDSOs. We need both for 64-bit builds, since 32-bit vDSOs
* are built for 32-bit userspace.
*/
static void BITSFUNC(copy)(FILE *outfile, const unsigned char *data, size_t len)
{
size_... | arch/x86/tools/vdso2c.h | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <arch.h>
#include <signal.h>
#include <kern_util.h>
#include <longjmp.h>
#include <sysdep/ptrace.h>
#include <generated/asm-offsets.h>
/* Set during early boot */
static int host_has_cmov = 1;
static jmp... | arch/x86/um/bugs_32.c | null | null | null | null | null |
source | linux | /*
* Copyright 2003 PathScale, Inc.
*
* Licensed under the GPL
*/
#include <arch.h>
#include <sysdep/ptrace.h>
void arch_check_bugs(void)
{
}
void arch_examine_signal(int sig, struct uml_pt_regs *regs)
{
} | arch/x86/um/bugs_64.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2011 Richard Weinberger <richrd@nod.at>
* Mostly copied from arch/x86/lib/delay.c
*/
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <asm/param.h>
void __delay(unsigned long loops)
{
asm volatile(
"test %0,%0\n"
... | arch/x86/um/delay.c | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <arch.h>
#include <sysdep/ptrace.h>
/* These two are from asm-um/uaccess.h and linux/module.h, check them. */
struct exception_table_entry
{
unsigned long insn;
unsigned long fixup;
};
const struct e... | arch/x86/um/fault.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/mm.h>
#include <asm/elf.h>
const char *arch_vma_name(struct vm_area_struct *vma)
{
if (vma->vm_mm && vma->vm_start == um_vdso_addr)
return "[vdso]";
return NULL;
} | arch/x86/um/mem_64.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/sched.h>
#include <linux/elf.h>
#include <linux/regset.h>
#include <asm/user32.h>
#include <asm/sigcontext.h>
#ifdef CONFIG_X86_32
/*
* FPU tag word conversions.
*/
static inline unsigned short twd_i387_to_fxsr(unsigned short twd)
{
unsigned int tmp; /* to avoid... | arch/x86/um/ptrace.c | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/uaccess.h>
#include <linux/regset.h>
#include <asm/ptrace-abi.h>
#include <registers.h>
#include <skas.h>
void arch_switch_to(struct task_struct *to)... | arch/x86/um/ptrace_32.c | null | null | null | null | null |
source | linux | /*
* Copyright 2003 PathScale, Inc.
* Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*
* Licensed under the GPL
*/
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/regset.h>
#define __FRAME_OFFSETS
#include <asm/ptrace.h>
#include <linux/uaccess.h>
#in... | arch/x86/um/ptrace_64.c | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <errno.h>
#include <ptrace_user.h>
int ptrace_getregs(long pid, unsigned long *regs_out)
{
if (ptrace(PTRACE_GETREGS, pid, 0, regs_out) < 0)
return -errno;
return 0;
}
int ptrace_setregs(long pid, u... | arch/x86/um/ptrace_user.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#
# arch/i386/setjmp.S
#
# setjmp/longjmp for the i386 architecture
#
#
# The jmp_buf is assumed to contain the following, in order:
# %ebx
# %esp
# %ebp
# %esi
# %edi
# <return address>
#
.text
.align 4
.globl kernel_setjmp
.type kernel_setjmp, @function
kernel_setjmp:
#ifd... | arch/x86/um/setjmp_32.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#
# arch/x86_64/setjmp.S
#
# setjmp/longjmp for the x86-64 architecture
#
#
# The jmp_buf is assumed to contain the following, in order:
# %rbx
# %rsp (post-return)
# %rbp
# %r12
# %r13
# %r14
# %r15
# <return address>
#
.text
.align 4
.globl kernel_setjmp
.type kernel_setjm... | arch/x86/um/setjmp_64.S | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2003 PathScale, Inc.
* Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <linux/personality.h>
#include <linux/ptrace.h>
#include <linux/kernel.h>
#include <linux/syscalls.h>
#include <asm/unistd.h>
#include <linux/uaccess.h>
#include <as... | arch/x86/um/signal.c | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2004 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <sysdep/stub.h>
#include <sysdep/faultinfo.h>
#include <sysdep/mcontext.h>
#include <sys/ucontext.h>
void __attribute__ ((__section__ (".__syscall_stub")))
stub_segv_handler(int sig, siginfo_t *info, voi... | arch/x86/um/stub_segv.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* System call table for UML/i386, copied from arch/x86/kernel/syscall_*.c
* with some changes for UML.
*/
#include <linux/linkage.h>
#include <linux/sys.h>
#include <linux/cache.h>
#include <asm/syscall.h>
extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long,
... | arch/x86/um/sys_call_table_32.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* System call table for UML/x86-64, copied from arch/x86/kernel/syscall_*.c
* with some changes for UML.
*/
#include <linux/linkage.h>
#include <linux/sys.h>
#include <linux/cache.h>
#include <asm/syscall.h>
extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long,
... | arch/x86/um/sys_call_table_64.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/syscalls.h>
#include <os.h>
SYSCALL_DEFINE2(arch_prctl, int, option, unsigned long, arg2)
{
return -EINVAL;
} | arch/x86/um/syscalls_32.c | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Copyright 2003 PathScale, Inc.
*
* Licensed under the GPL
*/
#include <linux/sched.h>
#include <linux/sched/mm.h>
#include <linux/syscalls.h>
#include <linux/uaccess.h>
#include <asm/prctl.h> /* XXX This should get the constants from lib... | arch/x86/um/syscalls_64.c | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2001 - 2003 Jeff Dike (jdike@addtoit.com)
* Licensed under the GPL
*/
#include <linux/kernel.h>
#include <linux/smp.h>
#include <linux/sched.h>
#include <linux/sched/debug.h>
#include <linux/kallsyms.h>
#include <asm/ptrace.h>
/* This is declared by <linux/sched.h> */
void show_regs(struct pt_re... | arch/x86/um/sysrq_32.c | null | null | null | null | null |
source | linux | /*
* Copyright 2003 PathScale, Inc.
*
* Licensed under the GPL
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pid.h>
#include <linux/sched.h>
#include <linux/sched/debug.h>
#include <linux/utsname.h>
#include <asm/current.h>
#include <asm/ptrace.h>
void show_regs(struct pt_regs *regs)
{
p... | arch/x86/um/sysrq_64.c | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2005 Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
* Licensed under the GPL
*/
#include <linux/percpu.h>
#include <linux/sched.h>
#include <linux/syscalls.h>
#include <linux/uaccess.h>
#include <asm/ptrace-abi.h>
#include <os.h>
#include <skas.h>
#include <sysdep/tls.h>
#include <asm/des... | arch/x86/um/tls_32.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/sched.h>
#include <asm/ptrace-abi.h>
void clear_flushed_tls(struct task_struct *task)
{
}
int arch_set_tls(struct task_struct *t, unsigned long tls)
{
/*
* If CLONE_SETTLS is set, we need to save the thread id
* so it can be set during context switches.
*/
t... | arch/x86/um/tls_64.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
#include <stddef.h>
#include <signal.h>
#include <poll.h>
#include <sys/mman.h>
#include <sys/user.h>
#define __FRAME_OFFSETS
#include <linux/ptrace.h>
#include <asm/types.h>
#include <linux/kbuild.h>
#define DEFINE_LONGS(sym, val) \
COMMENT(#val " / sizeof(unsig... | arch/x86/um/user-offsets.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_UM_HWEIGHT_H
#define _ASM_UM_HWEIGHT_H
#include <asm-generic/bitops/arch_hweight.h>
#endif | arch/x86/um/asm/arch_hweight.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_UM_BARRIER_H_
#define _ASM_UM_BARRIER_H_
#include <asm/cpufeatures.h>
#include <asm/alternative.h>
/*
* Force strict CPU ordering.
* And yes, this is required on UP too when we're talking
* to devices.
*/
#ifdef CONFIG_X86_32
#define mb() alternative("lock addl... | arch/x86/um/asm/barrier.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_CHECKSUM_H
#define __UM_CHECKSUM_H
#include <linux/string.h>
#include <linux/in6.h>
#include <linux/uaccess.h>
/*
* computes the checksum of a memory block at buff, length len,
* and adds in "sum" (32-bit)
*
* returns a 32-bit number suitable for feeding into it... | arch/x86/um/asm/checksum.h | null | null | null | null | null |
source | linux | /*
* Licensed under the GPL
*/
#ifndef __UM_SYSDEP_CHECKSUM_H
#define __UM_SYSDEP_CHECKSUM_H
static inline __sum16 ip_compute_csum(const void *buff, int len)
{
return csum_fold (csum_partial(buff, len, 0));
}
#define _HAVE_ARCH_IPV6_CSUM
static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
... | arch/x86/um/asm/checksum_32.h | null | null | null | null | null |
source | linux | /*
* Licensed under the GPL
*/
#ifndef __UM_SYSDEP_CHECKSUM_H
#define __UM_SYSDEP_CHECKSUM_H
static inline unsigned add32_with_carry(unsigned a, unsigned b)
{
asm("addl %2,%0\n\t"
"adcl $0,%0"
: "=r" (a)
: "0" (a), "r" (b));
return a;
}
extern __sum16 ip_compute_... | arch/x86/um/asm/checksum_64.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_DESC_H
#define __UM_DESC_H
/* Taken from asm-i386/desc.h, it's the only thing we need. The rest wouldn't
* compile, and has never been used. */
#define LDT_empty(info) (\
(info)->base_addr == 0 && \
(info)->limit == 0 && \
(info)->contents == 0 && \
(info)->rea... | arch/x86/um/asm/desc.h | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#ifndef __UM_ELF_X86_H
#define __UM_ELF_X86_H
#include <asm/user.h>
#include <skas.h>
#define CORE_DUMP_USE_REGSET
#ifdef CONFIG_X86_32
#define R_386_NONE 0
#define R_386_32 1
#define R_386_PC32 2
#define R_386... | arch/x86/um/asm/elf.h | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
#ifndef __UM_IRQ_VECTORS_H
#define __UM_IRQ_VECTORS_H
#endif | arch/x86/um/asm/irq_vectors.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_PROCESSOR_H
#define __UM_PROCESSOR_H
#include <linux/time-internal.h>
/* include faultinfo structure */
#include <sysdep/faultinfo.h>
#ifdef CONFIG_X86_32
# include "processor_32.h"
#else
# include "processor_64.h"
#endif
#define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP... | arch/x86/um/asm/processor.h | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
#ifndef __UM_PROCESSOR_I386_H
#define __UM_PROCESSOR_I386_H
#include <linux/string.h>
#include <asm/segment.h>
#include <asm/ldt.h>
extern int host_has_cmov;
struct uml_tls_struct {
struct user_desc tls;
unsigned flushed:1;
unsig... | arch/x86/um/asm/processor_32.h | null | null | null | null | null |
source | linux | /*
* Copyright 2003 PathScale, Inc.
*
* Licensed under the GPL
*/
#ifndef __UM_PROCESSOR_X86_64_H
#define __UM_PROCESSOR_X86_64_H
struct arch_thread {
unsigned long debugregs[8];
int debugregs_seq;
struct faultinfo faultinfo;
};
#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0... | arch/x86/um/asm/processor_64.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_X86_PTRACE_H
#define __UM_X86_PTRACE_H
/* This is here because signal.c needs the REGSET_FP_LEGACY definition */
enum {
REGSET_GENERAL,
#ifdef CONFIG_X86_32
REGSET_FP_LEGACY,
#endif
REGSET_FP,
REGSET_XSTATE,
};
#include <linux/compiler.h>
#ifndef CONFIG_X86_32
#... | arch/x86/um/asm/ptrace.h | null | null | null | null | null |
source | linux | #ifndef __UM_REQUIRED_FEATURES_H
#define __UM_REQUIRED_FEATURES_H
/*
* Nothing to see, just need something for the i386 and x86_64 asm
* headers to include.
*/
#endif | arch/x86/um/asm/required-features.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_SEGMENT_H
#define __UM_SEGMENT_H
extern int host_gdt_entry_tls_min;
#define GDT_ENTRY_TLS_ENTRIES 3
#define GDT_ENTRY_TLS_MIN host_gdt_entry_tls_min
#define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
#endif | arch/x86/um/asm/segment.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_UM_SPINLOCK_H
#define __ASM_UM_SPINLOCK_H
#include <asm/qspinlock.h>
#include <asm/qrwlock.h>
#endif /* __ASM_UM_SPINLOCK_H */ | arch/x86/um/asm/spinlock.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_ASM_SYSCALL_H
#define __UM_ASM_SYSCALL_H
#include <asm/syscall-generic.h>
#include <uapi/linux/audit.h>
typedef asmlinkage long (*sys_call_ptr_t)(unsigned long, unsigned long,
unsigned long, unsigned long,
unsigned long, unsigned long);
extern const s... | arch/x86/um/asm/syscall.h | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2004 Jeff Dike (jdike@addtoit.com)
* Copyright 2003 PathScale, Inc.
* Licensed under the GPL
*/
#ifndef __VM_FLAGS_X86_H
#define __VM_FLAGS_X86_H
#ifdef CONFIG_X86_32
#define VM_DATA_DEFAULT_FLAGS VM_DATA_FLAGS_TSK_EXEC
#else
#define VM_STACK_DEFAULT_FLAGS (VM_GROWSDOWN | VM_DATA_FLAGS_EXEC)... | arch/x86/um/asm/vm-flags.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#define __FRAME_OFFSETS
#include <linux/errno.h>
#include <linux/string.h>
#include <sys/ucontext.h>
#include <asm/ptrace.h>
#include <asm/sigcontext.h>
#include <sysdep/ptrace.h>
#include <sysdep/mcontext.h>
#include <arch.h>
void get_regs_from_mc(struct uml_pt_regs *regs, mcontext... | arch/x86/um/os-Linux/mcontext.c | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2004 PathScale, Inc
* Copyright (C) 2004 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <errno.h>
#include <stdlib.h>
#include <sys/ptrace.h>
#ifdef __i386__
#include <sys/user.h>
#endif
#include <longjmp.h>
#include <sysdep/ptrace_user.h>
#include <sys/u... | arch/x86/um/os-Linux/registers.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <linux/unistd.h>
#include <sys/ptrace.h>
#include <sys/syscall.h>
#include <unistd.h>
#include <os.h>
#include <sysdep/tls.h>
#ifndef PTRACE_GET_THREAD_AREA
#define PTRACE_GET_THREAD_AREA 25
#endif
#ifndef PTRACE_SET_THREAD_AREA
#define PTRACE_SET_THRE... | arch/x86/um/os-Linux/tls.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __X86_UM_SYSDEP_ARCHSETJMP_H
#define __X86_UM_SYSDEP_ARCHSETJMP_H
#ifdef __i386__
#include "archsetjmp_32.h"
#else
#include "archsetjmp_64.h"
#endif
unsigned long get_thread_reg(int reg, jmp_buf *buf);
#endif /* __X86_UM_SYSDEP_ARCHSETJMP_H */ | arch/x86/um/shared/sysdep/archsetjmp.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/um/include/sysdep-i386/archsetjmp.h
*/
#ifndef _KLIBC_ARCHSETJMP_H
#define _KLIBC_ARCHSETJMP_H
struct __jmp_buf {
unsigned int __ebx;
unsigned int __esp;
unsigned int __ebp;
unsigned int __esi;
unsigned int __edi;
unsigned int __eip;
};
typedef struct __jmp_bu... | arch/x86/um/shared/sysdep/archsetjmp_32.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/um/include/sysdep-x86_64/archsetjmp.h
*/
#ifndef _KLIBC_ARCHSETJMP_H
#define _KLIBC_ARCHSETJMP_H
struct __jmp_buf {
unsigned long __rbx;
unsigned long __rsp;
unsigned long __rbp;
unsigned long __r12;
unsigned long __r13;
unsigned long __r14;
unsigned long __r1... | arch/x86/um/shared/sysdep/archsetjmp_64.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifdef __i386__
#include "faultinfo_32.h"
#else
#include "faultinfo_64.h"
#endif | arch/x86/um/shared/sysdep/faultinfo.h | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2004 Fujitsu Siemens Computers GmbH
* Author: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
* Licensed under the GPL
*/
#ifndef __FAULTINFO_I386_H
#define __FAULTINFO_I386_H
/* this structure contains the full arch-specific faultinfo
* from the traps.
* On i386, ptrace_faultinfo unfortunate... | arch/x86/um/shared/sysdep/faultinfo_32.h | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2004 Fujitsu Siemens Computers GmbH
* Author: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
* Licensed under the GPL
*/
#ifndef __FAULTINFO_X86_64_H
#define __FAULTINFO_X86_64_H
/* this structure contains the full arch-specific faultinfo
* from the traps.
* On i386, ptrace_faultinfo unfortu... | arch/x86/um/shared/sysdep/faultinfo_64.h | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#ifndef __SYS_SIGCONTEXT_X86_H
#define __SYS_SIGCONTEXT_X86_H
#include <stub-data.h>
extern void get_regs_from_mc(struct uml_pt_regs *, mcontext_t *);
extern void get_mc_from_regs(struct uml_pt_regs *regs, mcon... | arch/x86/um/shared/sysdep/mcontext.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SYSDEP_X86_PTRACE_H
#define __SYSDEP_X86_PTRACE_H
#include <generated/user_constants.h>
#include <sysdep/faultinfo.h>
#define MAX_REG_OFFSET (UM_FRAME_SIZE)
#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long))
#define REGS_IP(r) ((r)[HOST_IP])
#define REGS_SP... | arch/x86/um/shared/sysdep/ptrace.h | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#ifndef __SYSDEP_I386_PTRACE_H
#define __SYSDEP_I386_PTRACE_H
#define UPT_SYSCALL_ARG1(r) UPT_BX(r)
#define UPT_SYSCALL_ARG2(r) UPT_CX(r)
#define UPT_SYSCALL_ARG3(r) UPT_DX(r)
#define UPT_SYSCALL_ARG4(r) UPT_SI(r... | arch/x86/um/shared/sysdep/ptrace_32.h | null | null | null | null | null |
source | linux | /*
* Copyright 2003 PathScale, Inc.
* Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
*
* Licensed under the GPL
*/
#ifndef __SYSDEP_X86_64_PTRACE_H
#define __SYSDEP_X86_64_PTRACE_H
#define REGS_R8(r) ((r)[HOST_R8])
#define REGS_R9(r) ((r)[HOST_R9])
#define REGS_R10(r) ((r)[HOST_R10])
#defi... | arch/x86/um/shared/sysdep/ptrace_64.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <generated/user_constants.h>
#define PT_OFFSET(r) ((r) * sizeof(long))
#define PT_SYSCALL_NR(regs) ((regs)[HOST_ORIG_AX])
#define PT_SYSCALL_NR_OFFSET PT_OFFSET(HOST_ORIG_AX)
#define PT_SYSCALL_RET_OFFSET PT_OFFSET(HOST_AX)
#define REGS_IP_INDEX HOST_IP
#define REGS_S... | arch/x86/um/shared/sysdep/ptrace_user.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARCH_STUB_DATA_H
#define __ARCH_STUB_DATA_H
#ifdef __i386__
#include <generated/asm-offsets.h>
#include <asm/ldt.h>
struct stub_data_arch {
int sync;
struct user_desc tls[UM_KERN_GDT_ENTRY_TLS_ENTRIES];
};
#else
#define STUB_SYNC_FS_BASE (1 << 0)
#define STUB_SYNC_GS... | arch/x86/um/shared/sysdep/stub-data.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <asm/unistd.h>
#include <sys/mman.h>
#include <signal.h>
#include <as-layout.h>
#include <stub-data.h>
#ifdef __i386__
#include "stub_32.h"
#else
#include "stub_64.h"
#endif
extern void stub_segv_handler(int, siginfo_t *, void *);
extern void stub_syscall_handler(void);... | arch/x86/um/shared/sysdep/stub.h | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2004 Jeff Dike (jdike@addtoit.com)
* Licensed under the GPL
*/
#ifndef __SYSDEP_STUB_H
#define __SYSDEP_STUB_H
#include <stddef.h>
#include <asm/ptrace.h>
#include <generated/asm-offsets.h>
#define STUB_MMAP_NR __NR_mmap2
#define MMAP_OFFSET(o) ((o) >> UM_KERN_PAGE_SHIFT)
static __always_inlin... | arch/x86/um/shared/sysdep/stub_32.h | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2004 Jeff Dike (jdike@addtoit.com)
* Licensed under the GPL
*/
#ifndef __SYSDEP_STUB_H
#define __SYSDEP_STUB_H
#include <stddef.h>
#include <sysdep/ptrace_user.h>
#include <generated/asm-offsets.h>
#include <linux/stddef.h>
#include <asm/prctl.h>
#define STUB_MMAP_NR __NR_mmap
#define MMAP_OFFS... | arch/x86/um/shared/sysdep/stub_64.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SYSDEP_TLS_H
#define _SYSDEP_TLS_H
#ifdef __UM_HOST__
/* Change name to avoid conflicts with the original one from <asm/ldt.h>, which
* may be named user_desc (but in 2.4 and in header matching its API was named
* modify_ldt_ldt_s). */
typedef struct um_dup_user_desc... | arch/x86/um/shared/sysdep/tls.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2011 Richard Weinberger <richrd@nod.at>
*
* This vDSO turns all calls into a syscall so that UML can trap them.
*/
/* Disable profiling for userspace code */
#define DISABLE_BRANCH_PROFILING
#include <vdso/gettime.h>
#include <linux/time.h>
#include <as... | arch/x86/um/vdso/um_vdso.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Linker script for vDSO. This is an ELF shared object prelinked to
* its virtual address, and with only one read-only segment.
* This script controls its layout.
*/
SECTIONS
{
. = VDSO_PRELINK + SIZEOF_HEADERS;
.hash : { *(.hash) } :text
.gnu.hash : { *(.gnu.hash)... | arch/x86/um/vdso/vdso-layout.lds.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <linux/init.h>
#include <linux/linkage.h>
__INITDATA
SYM_DATA_START(vdso_start)
.incbin "arch/x86/um/vdso/vdso.so"
SYM_DATA_END_LABEL(vdso_start, SYM_L_GLOBAL, vdso_end)
__FINIT | arch/x86/um/vdso/vdso.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Linker script for 64-bit vDSO.
* We #include the file to define the layout details.
* Here we only choose the prelinked virtual address.
*
* This file defines the version script giving the user-exported symbols in
* the DSO. We can define local symbols here called VDSO... | arch/x86/um/vdso/vdso.lds.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2011 Richard Weinberger <richrd@nod.at>
*/
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <asm/page.h>
#include <asm/elf.h>
#include <linux/init.h>
unsigned long um_vdso_addr;
static struct page *um_vdso;
extern unsigned l... | arch/x86/um/vdso/vma.c | null | null | null | null | null |
source | linux | /*
* Copyright (C) 2007 Antonino Daplas <adaplas@gmail.com>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*
*/
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/sysfb.h>
#in... | arch/x86/video/video-common.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* AMD SVM-SEV command line parsing support
*
* Copyright (C) 2023 - 2024 Advanced Micro Devices, Inc.
*
* Author: Michael Roth <michael.roth@amd.com>
*/
#include <linux/string.h>
#include <linux/printk.h>
#include <linux/cache.h>
#include <linux/cpufeature.h>
#include... | arch/x86/virt/svm/cmdline.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
/*
* AMD SVM-SEV Host Support.
*
* Copyright (C) 2023 Advanced Micro Devices, Inc.
*
* Author: Ashish Kalra <ashish.kalra@amd.com>
*
*/
#include <linux/cc_platform.h>
#include <linux/printk.h>
#include <linux/mm_types.h>
#include <linux/set_memory.h>
#include <linux/memb... | arch/x86/virt/svm/sev.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/frame.h>
#include "tdxcall.S"
/*
* __seamcall() - Host-side interface functions to SEAM software
* (the P-SEAMLDR or the TDX module).
*
* __seamcall() function ABI:
*
* @fn (RDI) - SEAMCALL Leaf number, moved to RAX
* @args (RSI... | arch/x86/virt/vmx/tdx/seamcall.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright(c) 2023 Intel Corporation.
*
* Intel Trusted Domain Extensions (TDX) support
*/
#include "asm/page_types.h"
#define pr_fmt(fmt) "virt/tdx: " fmt
#include <linux/types.h>
#include <linux/cache.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/pri... | arch/x86/virt/vmx/tdx/tdx.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _X86_VIRT_TDX_H
#define _X86_VIRT_TDX_H
#include <linux/bits.h>
/*
* This file contains both macros and data structures defined by the TDX
* architecture and Linux defined software data structures and functions.
* The two should not be mixed together for better readab... | arch/x86/virt/vmx/tdx/tdx.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Automatically generated functions to read TDX global metadata.
*
* This file doesn't compile on its own as it lacks of inclusion
* of SEAMCALL wrapper primitive which reads global metadata.
* Include this file to other C file instead.
*/
static int get_tdx_sys_info_featur... | arch/x86/virt/vmx/tdx/tdx_global_metadata.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <asm/asm-offsets.h>
#include <asm/frame.h>
#include <asm/asm.h>
#include <asm/tdx.h>
/*
* TDCALL and SEAMCALL are supported in Binutils >= 2.36.
*/
#define tdcall .byte 0x66,0x0f,0x01,0xcc
#define seamcall .byte 0x66,0x0f,0x01,0xcf
/*
* TDX_MODULE_CALL - common help... | arch/x86/virt/vmx/tdx/tdxcall.S | null | null | null | null | null |
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