acrn-hypervisor/hypervisor/include/arch/x86/asm/trampoline.h

25 lines
804 B
C

/*
* Copyright (C) <2018> Intel Corporation
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef TRAMPOLINE_H
#define TRAMPOLINE_H
extern uint64_t read_trampoline_sym(const void *sym);
extern void write_trampoline_sym(const void *sym, uint64_t val);
extern void write_trampoline_stack_sym(uint16_t pcpu_id);
extern uint64_t prepare_trampoline(void);
extern uint64_t get_trampoline_start16_paddr(void);
/* external symbols that are helpful for relocation */
extern uint8_t trampoline_fixup_cs;
extern uint8_t trampoline_fixup_ip;
extern uint8_t trampoline_fixup_target;
extern uint8_t cpu_boot_page_tables_start;
extern uint8_t cpu_boot_page_tables_ptr;
extern uint8_t trampoline_pdpt_addr;
extern uint8_t trampoline_gdt_ptr;
extern uint8_t trampoline_start64_fixup;
#endif /* TRAMPOLINE_H */