a00f6f2007-04-01Marcus Comstedt /* || This file is part of Pike. For copyright information see COPYRIGHT. || Pike is distributed under GPL, LGPL and MPL. See the file COPYING || for more information. */ #define PPC_INSTR_B_FORM(OPCD,BO,BI,BD,AA,LK) \ add_to_program(((OPCD)<<26)|((BO)<<21)|((BI)<<16)| \ (((BD)&0x3fff)<<2)|((AA)<<1)|(LK)) #define PPC_INSTR_D_FORM(OPCD,S,A,d) \ add_to_program(((OPCD)<<26)|((S)<<21)|((A)<<16)|(((INT32)(d))&0xffff)) #define PPC_INSTR_DS_FORM(OPCD,S,A,ds,XO) \ add_to_program(((OPCD)<<26)|((S)<<21)|((A)<<16)|(((INT32)(ds))&0xfffc)|(XO)) #define PPC_INSTR_I_FORM(OPCD,LI,AA,LK) \ add_to_program(((OPCD)<<26)|((LI)&0x03fffffc)|((AA)<<1)|(LK)) #define PPC_INSTR_M_FORM(OPCD,S,A,SH,MB,ME,Rc) \ add_to_program(((OPCD)<<26)|((S)<<21)|((A)<<16)|((SH)<<11)| \ ((MB)<<6)|((ME)<<1)|(Rc)) #define PPC_INSTR_MD_FORM(OPCD,S,A,SH,MB,XO,Rc) \ add_to_program(((OPCD)<<26)|((S)<<21)|((A)<<16)|(((SH)&31)<<11)| \ (((MB)&31)<<6)|((MB)&32)|((XO)<<2)|(((SH)>>4)&2)|(Rc)) #define PPC_INSTR_XL_FORM(OPCD,BO,BI,CRBB,XO,LK) \ add_to_program(((OPCD)<<26)|((BO)<<21)|((BI)<<16)|((CRBB)<<11)| \ ((XO)<<1)|(LK)) #define PPC_INSTR_XFX_FORM(OPCD,S,SPR,XO) \ add_to_program(((OPCD)<<26)|((S)<<21)|((SPR)<<11)|((XO)<<1))
f2da612017-07-17Marcus Comstedt #define PPC_INSTR_XO_FORM(OPCD,D,A,B,OE,XO,Rc) \ add_to_program(((OPCD)<<26)|((D)<<21)|((A)<<16)|((B)<<11)|((OE)<<10)|((XO)<<1)|(Rc))
a00f6f2007-04-01Marcus Comstedt  #define BC(BO,BI,BD) PPC_INSTR_B_FORM(16,BO,BI,BD,0,0) #define CMPLI(crfD,A,UIMM) PPC_INSTR_D_FORM(10,crfD,A,UIMM)
82b2ff2018-05-23Marcus Comstedt #define CMPI(crfD,A,UIMM) PPC_INSTR_D_FORM(11,crfD,A,UIMM)
a00f6f2007-04-01Marcus Comstedt #define ADDIC(D,A,SIMM) PPC_INSTR_D_FORM(12,D,A,SIMM) #define ADDI(D,A,SIMM) PPC_INSTR_D_FORM(14,D,A,SIMM) #define ADDIS(D,A,SIMM) PPC_INSTR_D_FORM(15,D,A,SIMM) #define ORI(A,S,UIMM) PPC_INSTR_D_FORM(24,S,A,UIMM) #define ORIS(A,S,UIMM) PPC_INSTR_D_FORM(25,S,A,UIMM) #define LWZ(D,A,d) PPC_INSTR_D_FORM(32,D,A,d) #define STW(S,A,d) PPC_INSTR_D_FORM(36,S,A,d) #define LHA(D,A,d) PPC_INSTR_D_FORM(42,D,A,d)
f2da612017-07-17Marcus Comstedt #define STH(S,A,d) PPC_INSTR_D_FORM(44,S,A,d)
a00f6f2007-04-01Marcus Comstedt #define LD(D,A,ds) PPC_INSTR_DS_FORM(58,D,A,ds,0)
159c912015-10-21Marcus Comstedt #define LDU(D,A,ds) PPC_INSTR_DS_FORM(58,D,A,ds,1)
a00f6f2007-04-01Marcus Comstedt #define STD(S,A,ds) PPC_INSTR_DS_FORM(62,S,A,ds,0)
82b2ff2018-05-23Marcus Comstedt #define STDU(S,A,ds) PPC_INSTR_DS_FORM(62,S,A,ds,1)
a00f6f2007-04-01Marcus Comstedt  #define RLWINM(S,A,SH,MB,ME) PPC_INSTR_M_FORM(21,S,A,SH,MB,ME,0) #define RLDICL(S,A,SH,MB) PPC_INSTR_MD_FORM(30,S,A,SH,MB,0,0) #define RLDICR(S,A,SH,ME) PPC_INSTR_MD_FORM(30,S,A,SH,ME,1,0) #define MFSPR(D,SPR) PPC_INSTR_XFX_FORM(31,D,(((SPR)&0x1f)<<5)|(((SPR)&0x3e0)>>5),339) #define MTSPR(D,SPR) PPC_INSTR_XFX_FORM(31,D,(((SPR)&0x1f)<<5)|(((SPR)&0x3e0)>>5),467) #define BCLR(BO,BI) PPC_INSTR_XL_FORM(19,BO,BI,0,16,0) #define BCLRL(BO,BI) PPC_INSTR_XL_FORM(19,BO,BI,0,16,1) #define B(LI) PPC_INSTR_I_FORM(18,LI,0,0) #define BL(LI) PPC_INSTR_I_FORM(18,LI,0,1) #define BLA(LI) PPC_INSTR_I_FORM(18,LI,1,1)
f2da612017-07-17Marcus Comstedt #define SUBF(D,A,B) PPC_INSTR_XO_FORM(31,D,A,B,0,40,0) #define DIVDU(D,A,B) PPC_INSTR_XO_FORM(31,D,A,B,0,457,0)
a00f6f2007-04-01Marcus Comstedt #define LOW_GET_JUMP() ((INT32)PROG_COUNTER[JUMP_EPILOGUE_SIZE]) #define LOW_SKIPJUMP() (SET_PROG_COUNTER(PROG_COUNTER + JUMP_EPILOGUE_SIZE + 1)) #define SET_REG32(REG, X) do { \ INT32 val_ = X; \ INT32 reg_ = REG; \ if ((-32768 <= val_) && (val_ <= 32767)) { \ /* addi reg,0,val */ \ ADDI(reg_, 0, val_); \ } else { \ /* addis reg,0,%hi(val) */ \ ADDIS(reg_, 0, val_ >> 16); \ if (val_ & 0xffff) { \ /* ori reg,reg,%lo(val) */ \ ORI(reg_, reg_, val_); \ } \ } \ } while(0) #define SET_REG64(REG, x) do { \ INT64 val__ = x; \ INT32 reg__ = REG; \ if ((-2147483648 <= val__) && (val__ <= 2147483647)) { \ SET_REG32(reg__, val__); \ } else { \ SET_REG32(reg__, val__>>32); \ /* rldicr reg,reg,32,31 */ \ RLDICR(reg__, reg__, 32, 31); \ if (val__ & 0xffff0000) { \ /* oris reg,reg,%hi(val) */ \ ORIS(reg__, reg__, val__ >> 16); \ } \ if (val__ & 0xffff) { \ /* ori reg,reg,%lo(val) */ \ ORI(reg__, reg__, val__); \ } \ } \ } while(0) #define PPC_SPREG_LR 8 #define PPC_REG_RET 3 #define PPC_REG_ARG1 3 #define PPC_REG_ARG2 4 #define PPC_REG_ARG3 5 #define PPC_REG_PIKE_PC 7 #define PPC_REG_PIKE_MARK_SP 8 #define PPC_REG_PIKE_FP 9 #define PPC_REG_PIKE_SP 10 #define PPC_REG_PIKE_INTERP 29 /* 31 */ extern int ppc64_codegen_state, ppc64_codegen_last_pc; void ppc64_flush_code_generator_state(void); #define FLUSH_CODE_GENERATOR_STATE ppc64_flush_code_generator_state #define PPC_CODEGEN_FP_ISSET 1 #define PPC_CODEGEN_SP_ISSET 2 #define PPC_CODEGEN_SP_NEEDSSTORE 4 #define PPC_CODEGEN_MARK_SP_ISSET 8 #define PPC_CODEGEN_MARK_SP_NEEDSSTORE 16 #define PPC_CODEGEN_PC_ISSET 32
d97eb72011-07-10Henrik Grubbström (Grubba) #define LOAD_FP_REG() do { \ if(!(ppc64_codegen_state & PPC_CODEGEN_FP_ISSET)) { \ /* ld pike_fp,frame_pointer(pike_interpreter) */ \ LD(PPC_REG_PIKE_FP, PPC_REG_PIKE_INTERP, \ OFFSETOF(Pike_interpreter_struct, frame_pointer)); \ ppc64_codegen_state |= PPC_CODEGEN_FP_ISSET; \ } \
a00f6f2007-04-01Marcus Comstedt  } while(0)
d97eb72011-07-10Henrik Grubbström (Grubba) #define LOAD_SP_REG() do { \ if(!(ppc64_codegen_state & PPC_CODEGEN_SP_ISSET)) { \ /* ld pike_sp,stack_pointer(pike_interpreter) */ \ LD(PPC_REG_PIKE_SP, PPC_REG_PIKE_INTERP, \ OFFSETOF(Pike_interpreter_struct, stack_pointer)); \ ppc64_codegen_state |= PPC_CODEGEN_SP_ISSET; \ } \
a00f6f2007-04-01Marcus Comstedt  } while(0) #define LOAD_MARK_SP_REG() do { \ if(!(ppc64_codegen_state & PPC_CODEGEN_MARK_SP_ISSET)) { \ /* ld pike_mark_sp,mark_stack_pointer(pike_interpreter) */ \ LD(PPC_REG_PIKE_MARK_SP, PPC_REG_PIKE_INTERP, \
d97eb72011-07-10Henrik Grubbström (Grubba)  OFFSETOF(Pike_interpreter_struct, mark_stack_pointer)); \
a00f6f2007-04-01Marcus Comstedt  ppc64_codegen_state |= PPC_CODEGEN_MARK_SP_ISSET; \ } \ } while(0) #define INCR_SP_REG(n) do { \ /* addi pike_sp,pike_sp,n */ \ ADDI(PPC_REG_PIKE_SP, PPC_REG_PIKE_SP, n); \ ppc64_codegen_state |= PPC_CODEGEN_SP_NEEDSSTORE; \ } while(0) #define INCR_MARK_SP_REG(n) do { \ /* addi pike_mark_sp,pike_mark_sp,n */ \ ADDI(PPC_REG_PIKE_MARK_SP, PPC_REG_PIKE_MARK_SP, n); \ ppc64_codegen_state |= PPC_CODEGEN_MARK_SP_NEEDSSTORE; \ } while(0) #define UPDATE_PC() do { \ size_t tmp = PIKE_PC; \ if(ppc64_codegen_state & PPC_CODEGEN_PC_ISSET) { \ INT32 diff = (tmp-ppc64_codegen_last_pc)*sizeof(PIKE_OPCODE_T); \ if (diff) { \ if ((-32768 <= diff) && (diff <= 32767)) { \ /* addi pike_pc,pike_pc,diff */ \ ADDI(PPC_REG_PIKE_PC, PPC_REG_PIKE_PC, diff); \ } else { \ /* addis pike_pc,pike_pc,%hi(diff) */ \ ADDIS(PPC_REG_PIKE_PC, PPC_REG_PIKE_PC, (diff+32768)>>16); \ if ((diff &= 0xffff) > 32767) \ diff -= 65536; \ if (diff) { \ /* addi pike_pc,pike_pc,%lo(diff) */ \ ADDI(PPC_REG_PIKE_PC, PPC_REG_PIKE_PC, diff); \ } \ } \ } \ } else { \ /* bl .+4 */ \ BL(4); \ /* mflr pike_pc */ \ MFSPR(PPC_REG_PIKE_PC, PPC_SPREG_LR); \ /* addi pike_pc,pike_pc,-4 */ \ ADDI(PPC_REG_PIKE_PC, PPC_REG_PIKE_PC, -sizeof(PIKE_OPCODE_T)); \ } \ ppc64_codegen_last_pc = tmp; \ ppc64_codegen_state |= PPC_CODEGEN_PC_ISSET; \ LOAD_FP_REG(); \ /* std pike_pc,pc(pike_fp) */ \ STD(PPC_REG_PIKE_PC, PPC_REG_PIKE_FP, OFFSETOF(pike_frame, pc)); \ } while(0) #define ADJUST_PIKE_PC(pc) do { \ ppc64_codegen_last_pc = pc; \ ppc64_codegen_state |= PPC_CODEGEN_PC_ISSET; \ } while (0) #define ins_pointer(PTR) add_to_program((INT32)(PTR)) #define read_pointer(OFF) (Pike_compiler->new_program->program[(INT32)(OFF)]) #define upd_pointer(OFF,PTR) (Pike_compiler->new_program->program[(INT32)(OFF)] = (INT32)(PTR)) #define ins_align(ALIGN) #define ins_byte(VAL) add_to_program((INT32)(VAL)) #define ins_data(VAL) add_to_program((INT32)(VAL)) #define read_program_data(PTR, OFF) ((INT32)((PTR)[OFF])) INT32 ppc64_ins_f_jump(unsigned int a, int backward_jump); INT32 ppc64_ins_f_jump_with_arg(unsigned int a, unsigned INT32 b, int backward_jump); INT32 ppc64_ins_f_jump_with_2_args(unsigned int a, unsigned INT32 b, unsigned INT32 c, int backward_jump); void ppc64_update_f_jump(INT32 offset, INT32 to_offset); INT32 ppc64_read_f_jump(INT32 offset); #define INS_F_JUMP ppc64_ins_f_jump #define INS_F_JUMP_WITH_ARG ppc64_ins_f_jump_with_arg #define INS_F_JUMP_WITH_TWO_ARGS ppc64_ins_f_jump_with_2_args #define UPDATE_F_JUMP ppc64_update_f_jump #define READ_F_JUMP ppc64_read_f_jump #define READ_INCR_BYTE(PC) (((PC)++)[0]) #if 0 #define RELOCATE_program(P, NEW) do { \ PIKE_OPCODE_T *op_ = NEW; \ struct program *p_ = P; \ size_t rel_ = p_->num_relocations; \ INT32 disp_, delta_ = p_->program - op_; \ while (rel_--) { \ DO_IF_DEBUG( \ if ((op_[p_->relocations[rel_]] & 0xfc000002) != \ 0x48000000) { \ Pike_fatal("Bad relocation: %d, off:%d, opcode: 0x%08x\n", \ rel_, p_->relocations[rel_], \ op_[p_->relocations[rel_]]); \ } \ ); \ disp_ = op_[p_->relocations[rel_]] & 0x03ffffff; \ if(disp_ & 0x02000000) \ disp_ -= 0x04000000; \ disp_ += delta_ << 2; \ if(disp_ < -33554432 || disp_ > 33554431) \ Pike_fatal("Relocation %d out of range!\n", disp_); \ op_[p_->relocations[rel_]] = 0x48000000 | \ (disp_ & 0x03ffffff); \ } \ } while(0) #endif extern void ppc64_flush_instruction_cache(void *addr, size_t len); #define FLUSH_INSTRUCTION_CACHE ppc64_flush_instruction_cache #if 0
2d10fb2016-12-29Arne Goedeke struct byte_buffer;
a00f6f2007-04-01Marcus Comstedt 
2d10fb2016-12-29Arne Goedeke void ppc64_encode_program(struct program *p, struct byte_buffer *buf);
a00f6f2007-04-01Marcus Comstedt void ppc64_decode_program(struct program *p); #define ENCODE_PROGRAM(P, BUF) ppc64_encode_program(P, BUF) #define DECODE_PROGRAM(P) ppc64_decode_program(p) #endif #ifdef PIKE_CPU_REG_PREFIX #define PPC_REGNAME(n) PIKE_CPU_REG_PREFIX #n #else #define PPC_REGNAME(n) #n #endif #define CALL_MACHINE_CODE(pc) \ __asm__ __volatile__( " mtctr %0\n" \ " mr "PPC_REGNAME(29)",%1\n" \
82b2ff2018-05-23Marcus Comstedt  " bctrl" \
a00f6f2007-04-01Marcus Comstedt  : \
d97eb72011-07-10Henrik Grubbström (Grubba)  : "r" (pc), "r" (Pike_interpreter_pointer) \
f319122018-07-12Marcus Comstedt  : "ctr", "lr", "cc", "memory", "r29", "r0", \
a00f6f2007-04-01Marcus Comstedt  "r3", "r4", "r5", "r6", "r7", "r8", "r9", \ "r10", "r11", "r12") #define OPCODE_INLINE_BRANCH #define OPCODE_RETURN_JUMPADDR
82b2ff2018-05-23Marcus Comstedt #define OPCODE_INLINE_RETURN
a00f6f2007-04-01Marcus Comstedt  #ifdef OPCODE_RETURN_JUMPADDR /* Don't need an lvalue in this case. */ #define PROG_COUNTER ((PIKE_OPCODE_T *)__builtin_return_address(0)) #define JUMP_EPILOGUE_SIZE 2 #define JUMP_SET_TO_PC_AT_NEXT(PC) \ ((PC) = PROG_COUNTER + JUMP_EPILOGUE_SIZE) #else /* !OPCODE_RETURN_JUMPADDR */ #ifdef __linux /* SVR4 ABI */ #define PROG_COUNTER (((PIKE_OPCODE_T **)__builtin_frame_address(1))[1]) #else /* PowerOpen ABI */ #define PROG_COUNTER (((PIKE_OPCODE_T **)__builtin_frame_address(1))[2]) #endif #define JUMP_EPILOGUE_SIZE 0 #endif /* !OPCODE_RETURN_JUMPADDR */
82b2ff2018-05-23Marcus Comstedt #ifdef OPCODE_INLINE_RETURN /* Size of the prologue added by INS_ENTRY() (in PIKE_OPCODE_T's). */
f319122018-07-12Marcus Comstedt #define ENTRY_PROLOGUE_SIZE 4
82b2ff2018-05-23Marcus Comstedt  void ppc64_ins_entry(void); #define INS_ENTRY() ppc64_ins_entry() #endif /* OPCODE_INLINE_RETURN */
a00f6f2007-04-01Marcus Comstedt #ifdef PIKE_DEBUG void ppc64_disassemble_code(void *addr, size_t bytes); #define DISASSEMBLE_CODE(ADDR, BYTES) ppc64_disassemble_code(ADDR, BYTES) #endif