23 static int __patch_instruction(u32 *exec_addr, ppc_inst_t instr, u32 *patch_addr)  in __patch_instruction()  argument
25 	if (!ppc_inst_prefixed(instr)) {  in __patch_instruction()
26 		u32 val = ppc_inst_val(instr);  in __patch_instruction()
30 		u64 val = ppc_inst_as_ulong(instr);  in __patch_instruction()
44 int raw_patch_instruction(u32 *addr, ppc_inst_t instr)  in raw_patch_instruction()  argument
46 	return __patch_instruction(addr, instr, addr);  in raw_patch_instruction()
281 static int __do_patch_instruction_mm(u32 *addr, ppc_inst_t instr)  in __do_patch_instruction_mm()  argument
310 	err = __patch_instruction(addr, instr, patch_addr);  in __do_patch_instruction_mm()
331 static int __do_patch_instruction(u32 *addr, ppc_inst_t instr)  in __do_patch_instruction()  argument
348 	err = __patch_instruction(addr, instr, patch_addr);  in __do_patch_instruction()
356 int patch_instruction(u32 *addr, ppc_inst_t instr)  in patch_instruction()  argument
368 		return raw_patch_instruction(addr, instr);  in patch_instruction()
372 		err = __do_patch_instruction_mm(addr, instr);  in patch_instruction()
374 		err = __do_patch_instruction(addr, instr);  in patch_instruction()
383 	ppc_inst_t instr;  in patch_branch()  local
385 	if (create_branch(&instr, addr, target, flags))  in patch_branch()
388 	return patch_instruction(addr, instr);  in patch_branch()
395 bool is_conditional_branch(ppc_inst_t instr)  in is_conditional_branch()  argument
397 	unsigned int opcode = ppc_inst_primary_opcode(instr);  in is_conditional_branch()
402 		switch ((ppc_inst_val(instr) >> 1) & 0x3ff) {  in is_conditional_branch()
413 int create_cond_branch(ppc_inst_t *instr, const u32 *addr,  in create_cond_branch()  argument
427 	*instr = ppc_inst(0x40000000 | (flags & 0x3FF0003) | (offset & 0xFFFC));  in create_cond_branch()
432 int instr_is_relative_branch(ppc_inst_t instr)  in instr_is_relative_branch()  argument
434 	if (ppc_inst_val(instr) & BRANCH_ABSOLUTE)  in instr_is_relative_branch()
437 	return instr_is_branch_iform(instr) || instr_is_branch_bform(instr);  in instr_is_relative_branch()
440 int instr_is_relative_link_branch(ppc_inst_t instr)  in instr_is_relative_link_branch()  argument
442 	return instr_is_relative_branch(instr) && (ppc_inst_val(instr) & BRANCH_SET_LINK);  in instr_is_relative_link_branch()
445 static unsigned long branch_iform_target(const u32 *instr)  in branch_iform_target()  argument
449 	imm = ppc_inst_val(ppc_inst_read(instr)) & 0x3FFFFFC;  in branch_iform_target()
455 	if ((ppc_inst_val(ppc_inst_read(instr)) & BRANCH_ABSOLUTE) == 0)  in branch_iform_target()
456 		imm += (unsigned long)instr;  in branch_iform_target()
461 static unsigned long branch_bform_target(const u32 *instr)  in branch_bform_target()  argument
465 	imm = ppc_inst_val(ppc_inst_read(instr)) & 0xFFFC;  in branch_bform_target()
471 	if ((ppc_inst_val(ppc_inst_read(instr)) & BRANCH_ABSOLUTE) == 0)  in branch_bform_target()
472 		imm += (unsigned long)instr;  in branch_bform_target()
477 unsigned long branch_target(const u32 *instr)  in branch_target()  argument
479 	if (instr_is_branch_iform(ppc_inst_read(instr)))  in branch_target()
480 		return branch_iform_target(instr);  in branch_target()
481 	else if (instr_is_branch_bform(ppc_inst_read(instr)))  in branch_target()
482 		return branch_bform_target(instr);  in branch_target()
487 int translate_branch(ppc_inst_t *instr, const u32 *dest, const u32 *src)  in translate_branch()  argument
493 		return create_branch(instr, dest, target,  in translate_branch()
496 		return create_cond_branch(instr, dest, target,  in translate_branch()