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-- add header file ld_sym.h in include/arch/x86/boot/ -- move 'ld_bss_start/end' from cpu.h to ld_sym.h, avoid reverse dependency -- move 'ld_text_end' from mmu.h to ld_sym.h -- move 'ld_trampoline_load/start/end' to ld_sym.h Tracked-On: #1842 Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com> Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com> Acked-by: Anthony Xu <anthony.xu@intel.com>
25 lines
804 B
C
25 lines
804 B
C
/*
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* Copyright (C) <2018> Intel Corporation
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef TRAMPOLINE_H
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#define TRAMPOLINE_H
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extern uint64_t read_trampoline_sym(const void *sym);
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extern void write_trampoline_sym(const void *sym, uint64_t val);
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extern void write_trampoline_stack_sym(uint16_t pcpu_id);
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extern uint64_t prepare_trampoline(void);
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extern uint64_t get_trampoline_start16_paddr(void);
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/* external symbols that are helpful for relocation */
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extern uint8_t trampoline_fixup_cs;
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extern uint8_t trampoline_fixup_ip;
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extern uint8_t trampoline_fixup_target;
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extern uint8_t cpu_boot_page_tables_start;
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extern uint8_t cpu_boot_page_tables_ptr;
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extern uint8_t trampoline_pdpt_addr;
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extern uint8_t trampoline_gdt_ptr;
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extern uint8_t trampoline_start64_fixup;
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#endif /* TRAMPOLINE_H */
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