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