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28 lines
1.2 KiB
28 lines
1.2 KiB
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_IA64_PATCH_H
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#define _ASM_IA64_PATCH_H
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/*
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* Copyright (C) 2003 Hewlett-Packard Co
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* David Mosberger-Tang <davidm@hpl.hp.com>
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*
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* There are a number of reasons for patching instructions. Rather than duplicating code
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* all over the place, we put the common stuff here. Reasons for patching: in-kernel
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* module-loader, virtual-to-physical patch-list, McKinley Errata 9 workaround, and gate
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* shared library. Undoubtedly, some of these reasons will disappear and others will
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* be added over time.
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*/
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#include <linux/elf.h>
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#include <linux/types.h>
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extern void ia64_patch (u64 insn_addr, u64 mask, u64 val); /* patch any insn slot */
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extern void ia64_patch_imm64 (u64 insn_addr, u64 val); /* patch "movl" w/abs. value*/
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extern void ia64_patch_imm60 (u64 insn_addr, u64 val); /* patch "brl" w/ip-rel value */
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extern void ia64_patch_mckinley_e9 (unsigned long start, unsigned long end);
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extern void ia64_patch_vtop (unsigned long start, unsigned long end);
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extern void ia64_patch_phys_stack_reg(unsigned long val);
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extern void ia64_patch_rse (unsigned long start, unsigned long end);
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extern void ia64_patch_gate (void);
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#endif /* _ASM_IA64_PATCH_H */
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