18 static int __patch_instruction(u32 *exec_addr, ppc_inst_t instr, u32 *patch_addr)  in __patch_instruction()  argument
20 	if (!ppc_inst_prefixed(instr)) {  in __patch_instruction()
21 		u32 val = ppc_inst_val(instr);  in __patch_instruction()
25 		u64 val = ppc_inst_as_ulong(instr);  in __patch_instruction()
39 int raw_patch_instruction(u32 *addr, ppc_inst_t instr)  in raw_patch_instruction()  argument
41 	return __patch_instruction(addr, instr, addr);  in raw_patch_instruction()
150 static int __do_patch_instruction(u32 *addr, ppc_inst_t instr)  in __do_patch_instruction()  argument
167 	err = __patch_instruction(addr, instr, patch_addr);  in __do_patch_instruction()
175 static int do_patch_instruction(u32 *addr, ppc_inst_t instr)  in do_patch_instruction()  argument
186 		return raw_patch_instruction(addr, instr);  in do_patch_instruction()
189 	err = __do_patch_instruction(addr, instr);  in do_patch_instruction()
196 static int do_patch_instruction(u32 *addr, ppc_inst_t instr)  in do_patch_instruction()  argument
198 	return raw_patch_instruction(addr, instr);  in do_patch_instruction()
205 int patch_instruction(u32 *addr, ppc_inst_t instr)  in patch_instruction()  argument
211 	return do_patch_instruction(addr, instr);  in patch_instruction()
217 	ppc_inst_t instr;  in patch_branch()  local
219 	if (create_branch(&instr, addr, target, flags))  in patch_branch()
222 	return patch_instruction(addr, instr);  in patch_branch()
229 bool is_conditional_branch(ppc_inst_t instr)  in is_conditional_branch()  argument
231 	unsigned int opcode = ppc_inst_primary_opcode(instr);  in is_conditional_branch()
236 		switch ((ppc_inst_val(instr) >> 1) & 0x3ff) {  in is_conditional_branch()
247 int create_cond_branch(ppc_inst_t *instr, const u32 *addr,  in create_cond_branch()  argument
261 	*instr = ppc_inst(0x40000000 | (flags & 0x3FF0003) | (offset & 0xFFFC));  in create_cond_branch()
266 int instr_is_relative_branch(ppc_inst_t instr)  in instr_is_relative_branch()  argument
268 	if (ppc_inst_val(instr) & BRANCH_ABSOLUTE)  in instr_is_relative_branch()
271 	return instr_is_branch_iform(instr) || instr_is_branch_bform(instr);  in instr_is_relative_branch()
274 int instr_is_relative_link_branch(ppc_inst_t instr)  in instr_is_relative_link_branch()  argument
276 	return instr_is_relative_branch(instr) && (ppc_inst_val(instr) & BRANCH_SET_LINK);  in instr_is_relative_link_branch()
279 static unsigned long branch_iform_target(const u32 *instr)  in branch_iform_target()  argument
283 	imm = ppc_inst_val(ppc_inst_read(instr)) & 0x3FFFFFC;  in branch_iform_target()
289 	if ((ppc_inst_val(ppc_inst_read(instr)) & BRANCH_ABSOLUTE) == 0)  in branch_iform_target()
290 		imm += (unsigned long)instr;  in branch_iform_target()
295 static unsigned long branch_bform_target(const u32 *instr)  in branch_bform_target()  argument
299 	imm = ppc_inst_val(ppc_inst_read(instr)) & 0xFFFC;  in branch_bform_target()
305 	if ((ppc_inst_val(ppc_inst_read(instr)) & BRANCH_ABSOLUTE) == 0)  in branch_bform_target()
306 		imm += (unsigned long)instr;  in branch_bform_target()
311 unsigned long branch_target(const u32 *instr)  in branch_target()  argument
313 	if (instr_is_branch_iform(ppc_inst_read(instr)))  in branch_target()
314 		return branch_iform_target(instr);  in branch_target()
315 	else if (instr_is_branch_bform(ppc_inst_read(instr)))  in branch_target()
316 		return branch_bform_target(instr);  in branch_target()
321 int translate_branch(ppc_inst_t *instr, const u32 *dest, const u32 *src)  in translate_branch()  argument
327 		return create_branch(instr, dest, target,  in translate_branch()
330 		return create_cond_branch(instr, dest, target,  in translate_branch()