1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_IA64_PATCH_H 3 #define _ASM_IA64_PATCH_H 4 5 /* 6 * Copyright (C) 2003 Hewlett-Packard Co 7 * David Mosberger-Tang <davidm@hpl.hp.com> 8 * 9 * There are a number of reasons for patching instructions. Rather than duplicating code 10 * all over the place, we put the common stuff here. Reasons for patching: in-kernel 11 * module-loader, virtual-to-physical patch-list, McKinley Errata 9 workaround, and gate 12 * shared library. Undoubtedly, some of these reasons will disappear and others will 13 * be added over time. 14 */ 15 #include <linux/elf.h> 16 #include <linux/types.h> 17 18 extern void ia64_patch (u64 insn_addr, u64 mask, u64 val); /* patch any insn slot */ 19 extern void ia64_patch_imm64 (u64 insn_addr, u64 val); /* patch "movl" w/abs. value*/ 20 extern void ia64_patch_imm60 (u64 insn_addr, u64 val); /* patch "brl" w/ip-rel value */ 21 22 extern void ia64_patch_mckinley_e9 (unsigned long start, unsigned long end); 23 extern void ia64_patch_vtop (unsigned long start, unsigned long end); 24 extern void ia64_patch_phys_stack_reg(unsigned long val); 25 extern void ia64_patch_rse (unsigned long start, unsigned long end); 26 extern void ia64_patch_gate (void); 27 28 #endif /* _ASM_IA64_PATCH_H */ 29