diff options
Diffstat (limited to 'include/asm-powerpc/code-patching.h')
-rw-r--r-- | include/asm-powerpc/code-patching.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/include/asm-powerpc/code-patching.h b/include/asm-powerpc/code-patching.h deleted file mode 100644 index 107d9b9..0000000 --- a/include/asm-powerpc/code-patching.h +++ /dev/null @@ -1,54 +0,0 @@ -#ifndef _ASM_POWERPC_CODE_PATCHING_H -#define _ASM_POWERPC_CODE_PATCHING_H - -/* - * Copyright 2008, Michael Ellerman, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#include <asm/types.h> - -#define PPC_NOP_INSTR 0x60000000 -#define PPC_LWSYNC_INSTR 0x7c2004ac - -/* Flags for create_branch: - * "b" == create_branch(addr, target, 0); - * "ba" == create_branch(addr, target, BRANCH_ABSOLUTE); - * "bl" == create_branch(addr, target, BRANCH_SET_LINK); - * "bla" == create_branch(addr, target, BRANCH_ABSOLUTE | BRANCH_SET_LINK); - */ -#define BRANCH_SET_LINK 0x1 -#define BRANCH_ABSOLUTE 0x2 - -unsigned int create_branch(const unsigned int *addr, - unsigned long target, int flags); -unsigned int create_cond_branch(const unsigned int *addr, - unsigned long target, int flags); -void patch_branch(unsigned int *addr, unsigned long target, int flags); -void patch_instruction(unsigned int *addr, unsigned int instr); - -int instr_is_relative_branch(unsigned int instr); -int instr_is_branch_to_addr(const unsigned int *instr, unsigned long addr); -unsigned long branch_target(const unsigned int *instr); -unsigned int translate_branch(const unsigned int *dest, - const unsigned int *src); - -static inline unsigned long ppc_function_entry(void *func) -{ -#ifdef CONFIG_PPC64 - /* - * On PPC64 the function pointer actually points to the function's - * descriptor. The first entry in the descriptor is the address - * of the function text. - */ - return ((func_descr_t *)func)->entry; -#else - return (unsigned long)func; -#endif -} - -#endif /* _ASM_POWERPC_CODE_PATCHING_H */ |