xref: /openbmc/linux/arch/x86/realmode/rm/header.S (revision 63705da3)
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_AMD_MEM_ENCRYPT
24	.long	pa_sev_es_trampoline_start
25#endif
26#ifdef CONFIG_X86_64
27	.long	pa_trampoline_pgd;
28#endif
29	/* ACPI S3 wakeup */
30#ifdef CONFIG_ACPI_SLEEP
31	.long	pa_wakeup_start
32	.long	pa_wakeup_header
33#endif
34	/* APM/BIOS reboot */
35	.long	pa_machine_real_restart_asm
36#ifdef CONFIG_X86_64
37	.long	__KERNEL32_CS
38#endif
39SYM_DATA_END(real_mode_header)
40
41	/* End signature, used to verify integrity */
42	.section ".signature","a"
43	.balign 4
44SYM_DATA(end_signature, .long REALMODE_END_SIGNATURE)
45