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Boot component prepares the very basic platform boot env. It finally call into platform initilization entries: - bsp_boot_init & cpu_secondary_init for start up - or restore_s3_context for wakeup this patch move functions for AP trampoline into trampoline.c from reloc.c Tracked-On: #1842 Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
30 lines
859 B
C
30 lines
859 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 uint64_t prepare_trampoline(void);
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/* external symbols that are helpful for relocation */
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extern const uint8_t ld_trampoline_load;
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extern uint8_t ld_trampoline_start;
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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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extern uint8_t trampoline_spinlock_ptr;
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extern uint64_t trampoline_start16_paddr;
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#endif /* TRAMPOLINE_H */
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