162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * 462306a36Sopenharmony_ci * Copyright IBM Corp. 2008 562306a36Sopenharmony_ci * 662306a36Sopenharmony_ci * Authors: Hollis Blanchard <hollisb@us.ibm.com> 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#ifndef __ASM_PPC_DISASSEMBLE_H__ 1062306a36Sopenharmony_ci#define __ASM_PPC_DISASSEMBLE_H__ 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#include <linux/types.h> 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_cistatic inline unsigned int get_op(u32 inst) 1562306a36Sopenharmony_ci{ 1662306a36Sopenharmony_ci return inst >> 26; 1762306a36Sopenharmony_ci} 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_cistatic inline unsigned int get_xop(u32 inst) 2062306a36Sopenharmony_ci{ 2162306a36Sopenharmony_ci return (inst >> 1) & 0x3ff; 2262306a36Sopenharmony_ci} 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_cistatic inline unsigned int get_sprn(u32 inst) 2562306a36Sopenharmony_ci{ 2662306a36Sopenharmony_ci return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); 2762306a36Sopenharmony_ci} 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_cistatic inline unsigned int get_dcrn(u32 inst) 3062306a36Sopenharmony_ci{ 3162306a36Sopenharmony_ci return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); 3262306a36Sopenharmony_ci} 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_cistatic inline unsigned int get_tmrn(u32 inst) 3562306a36Sopenharmony_ci{ 3662306a36Sopenharmony_ci return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); 3762306a36Sopenharmony_ci} 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_cistatic inline unsigned int get_rt(u32 inst) 4062306a36Sopenharmony_ci{ 4162306a36Sopenharmony_ci return (inst >> 21) & 0x1f; 4262306a36Sopenharmony_ci} 4362306a36Sopenharmony_ci 4462306a36Sopenharmony_cistatic inline unsigned int get_rs(u32 inst) 4562306a36Sopenharmony_ci{ 4662306a36Sopenharmony_ci return (inst >> 21) & 0x1f; 4762306a36Sopenharmony_ci} 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_cistatic inline unsigned int get_ra(u32 inst) 5062306a36Sopenharmony_ci{ 5162306a36Sopenharmony_ci return (inst >> 16) & 0x1f; 5262306a36Sopenharmony_ci} 5362306a36Sopenharmony_ci 5462306a36Sopenharmony_cistatic inline unsigned int get_rb(u32 inst) 5562306a36Sopenharmony_ci{ 5662306a36Sopenharmony_ci return (inst >> 11) & 0x1f; 5762306a36Sopenharmony_ci} 5862306a36Sopenharmony_ci 5962306a36Sopenharmony_cistatic inline unsigned int get_rc(u32 inst) 6062306a36Sopenharmony_ci{ 6162306a36Sopenharmony_ci return inst & 0x1; 6262306a36Sopenharmony_ci} 6362306a36Sopenharmony_ci 6462306a36Sopenharmony_cistatic inline unsigned int get_ws(u32 inst) 6562306a36Sopenharmony_ci{ 6662306a36Sopenharmony_ci return (inst >> 11) & 0x1f; 6762306a36Sopenharmony_ci} 6862306a36Sopenharmony_ci 6962306a36Sopenharmony_cistatic inline unsigned int get_d(u32 inst) 7062306a36Sopenharmony_ci{ 7162306a36Sopenharmony_ci return inst & 0xffff; 7262306a36Sopenharmony_ci} 7362306a36Sopenharmony_ci 7462306a36Sopenharmony_cistatic inline unsigned int get_oc(u32 inst) 7562306a36Sopenharmony_ci{ 7662306a36Sopenharmony_ci return (inst >> 11) & 0x7fff; 7762306a36Sopenharmony_ci} 7862306a36Sopenharmony_ci 7962306a36Sopenharmony_cistatic inline unsigned int get_tx_or_sx(u32 inst) 8062306a36Sopenharmony_ci{ 8162306a36Sopenharmony_ci return (inst) & 0x1; 8262306a36Sopenharmony_ci} 8362306a36Sopenharmony_ci 8462306a36Sopenharmony_ci#define IS_XFORM(inst) (get_op(inst) == 31) 8562306a36Sopenharmony_ci#define IS_DSFORM(inst) (get_op(inst) >= 56) 8662306a36Sopenharmony_ci 8762306a36Sopenharmony_ci/* 8862306a36Sopenharmony_ci * Create a DSISR value from the instruction 8962306a36Sopenharmony_ci */ 9062306a36Sopenharmony_cistatic inline unsigned make_dsisr(unsigned instr) 9162306a36Sopenharmony_ci{ 9262306a36Sopenharmony_ci unsigned dsisr; 9362306a36Sopenharmony_ci 9462306a36Sopenharmony_ci 9562306a36Sopenharmony_ci /* bits 6:15 --> 22:31 */ 9662306a36Sopenharmony_ci dsisr = (instr & 0x03ff0000) >> 16; 9762306a36Sopenharmony_ci 9862306a36Sopenharmony_ci if (IS_XFORM(instr)) { 9962306a36Sopenharmony_ci /* bits 29:30 --> 15:16 */ 10062306a36Sopenharmony_ci dsisr |= (instr & 0x00000006) << 14; 10162306a36Sopenharmony_ci /* bit 25 --> 17 */ 10262306a36Sopenharmony_ci dsisr |= (instr & 0x00000040) << 8; 10362306a36Sopenharmony_ci /* bits 21:24 --> 18:21 */ 10462306a36Sopenharmony_ci dsisr |= (instr & 0x00000780) << 3; 10562306a36Sopenharmony_ci } else { 10662306a36Sopenharmony_ci /* bit 5 --> 17 */ 10762306a36Sopenharmony_ci dsisr |= (instr & 0x04000000) >> 12; 10862306a36Sopenharmony_ci /* bits 1: 4 --> 18:21 */ 10962306a36Sopenharmony_ci dsisr |= (instr & 0x78000000) >> 17; 11062306a36Sopenharmony_ci /* bits 30:31 --> 12:13 */ 11162306a36Sopenharmony_ci if (IS_DSFORM(instr)) 11262306a36Sopenharmony_ci dsisr |= (instr & 0x00000003) << 18; 11362306a36Sopenharmony_ci } 11462306a36Sopenharmony_ci 11562306a36Sopenharmony_ci return dsisr; 11662306a36Sopenharmony_ci} 11762306a36Sopenharmony_ci#endif /* __ASM_PPC_DISASSEMBLE_H__ */ 118