xref: /openbmc/linux/arch/x86/realmode/rm/header.S (revision e1cd7b80)
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Real-mode blob header; this should match realmode.h and be
4 * readonly; for mutable data instead add pointers into the .data
5 * or .bss sections as appropriate.
6 */
7
8#include <linux/linkage.h>
9#include <asm/page_types.h>
10#include <asm/segment.h>
11
12#include "realmode.h"
13
14	.section ".header", "a"
15
16	.balign	16
17SYM_DATA_START(real_mode_header)
18	.long	pa_text_start
19	.long	pa_ro_end
20	/* SMP trampoline */
21	.long	pa_trampoline_start
22	.long	pa_trampoline_header
23#ifdef CONFIG_X86_64
24	.long	pa_trampoline_pgd;
25#endif
26	/* ACPI S3 wakeup */
27#ifdef CONFIG_ACPI_SLEEP
28	.long	pa_wakeup_start
29	.long	pa_wakeup_header
30#endif
31	/* APM/BIOS reboot */
32	.long	pa_machine_real_restart_asm
33#ifdef CONFIG_X86_64
34	.long	__KERNEL32_CS
35#endif
36SYM_DATA_END(real_mode_header)
37
38	/* End signature, used to verify integrity */
39	.section ".signature","a"
40	.balign 4
41SYM_DATA(end_signature, .long REALMODE_END_SIGNATURE)
42