diff options
Diffstat (limited to 'arch/x86/purgatory/entry64.S')
| -rw-r--r-- | arch/x86/purgatory/entry64.S | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/x86/purgatory/entry64.S b/arch/x86/purgatory/entry64.S index d1a4291d3568..0b4390ce586b 100644 --- a/arch/x86/purgatory/entry64.S +++ b/arch/x86/purgatory/entry64.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2003,2004 Eric Biederman (ebiederm@xmission.com) * Copyright (C) 2014 Red Hat Inc. @@ -5,18 +6,15 @@ * Author(s): Vivek Goyal <vgoyal@redhat.com> * * This code has been taken from kexec-tools. - * - * This source code is licensed under the GNU General Public License, - * Version 2. See the file COPYING for more details. */ +#include <linux/linkage.h> + .text .balign 16 .code64 - .globl entry64, entry64_regs - -entry64: +SYM_CODE_START(entry64) /* Setup a gdt that should be preserved */ lgdt gdt(%rip) @@ -56,10 +54,11 @@ new_cs_exit: /* Jump to the new code... */ jmpq *rip(%rip) +SYM_CODE_END(entry64) .section ".rodata" .balign 4 -entry64_regs: +SYM_DATA_START(entry64_regs) rax: .quad 0x0 rcx: .quad 0x0 rdx: .quad 0x0 @@ -77,13 +76,14 @@ r13: .quad 0x0 r14: .quad 0x0 r15: .quad 0x0 rip: .quad 0x0 - .size entry64_regs, . - entry64_regs +SYM_DATA_END(entry64_regs) /* GDT */ .section ".rodata" .balign 16 -gdt: - /* 0x00 unusable segment +SYM_DATA_START_LOCAL(gdt) + /* + * 0x00 unusable segment * 0x08 unused * so use them as gdt ptr */ @@ -96,6 +96,8 @@ gdt: /* 0x18 4GB flat data segment */ .word 0xFFFF, 0x0000, 0x9200, 0x00CF -gdt_end: -stack: .quad 0, 0 -stack_init: +SYM_DATA_END_LABEL(gdt, SYM_L_LOCAL, gdt_end) + +SYM_DATA_START_LOCAL(stack) + .quad 0, 0 +SYM_DATA_END_LABEL(stack, SYM_L_LOCAL, stack_init) |