55d3e12001-07-26Marcus Comstedt /*
03b57f2001-09-19Marcus Comstedt  * $Id: ppc32.h,v 1.10 2001/09/19 21:59:15 marcus Exp $
55d3e12001-07-26Marcus Comstedt  */ #define PIKE_OPCODE_T unsigned INT32
9299942001-08-15Marcus Comstedt #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)|((d)&0xffff)) #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 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) #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)
44ac872001-08-16Marcus Comstedt #define ORI(A,S,UIMM) PPC_INSTR_D_FORM(24,S,A,UIMM)
9299942001-08-15Marcus Comstedt #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)
44ac872001-08-16Marcus Comstedt #define LHA(D,A,d) PPC_INSTR_D_FORM(42,D,A,d)
9299942001-08-15Marcus Comstedt  #define RLWINM(S,A,SH,MB,ME) PPC_INSTR_M_FORM(21,S,A,SH,MB,ME,0)
6850222001-07-30Marcus Comstedt #define LOW_GET_JUMP() (PROG_COUNTER[0]) #define LOW_SKIPJUMP() (SET_PROG_COUNTER(PROG_COUNTER + 1))
55d3e12001-07-26Marcus Comstedt #define PROG_COUNTER (((INT32 **)__builtin_frame_address(1))[2]) #define SET_REG(REG, X) do { \ INT32 val_ = X; \ INT32 reg_ = REG; \ if ((-32768 <= val_) && (val_ <= 32767)) { \ /* addi reg,0,val */ \
9299942001-08-15Marcus Comstedt  ADDI(reg_, 0, val_); \
55d3e12001-07-26Marcus Comstedt  } else { \ /* addis reg,0,%hi(val) */ \
9299942001-08-15Marcus Comstedt  ADDIS(reg_, 0, val_ >> 16); \
55d3e12001-07-26Marcus Comstedt  if (val_ & 0xffff) { \ /* ori reg,reg,%lo(val) */ \
9299942001-08-15Marcus Comstedt  ORI(reg_, reg_, val_); \
55d3e12001-07-26Marcus Comstedt  } \ } \ } while(0)
03b57f2001-09-19Marcus Comstedt #define PPC_REG_RET 0
9299942001-08-15Marcus Comstedt #define PPC_REG_ARG1 3 #define PPC_REG_ARG2 4
44ac872001-08-16Marcus Comstedt #define PPC_REG_ARG3 5
18f2e12001-08-16Marcus Comstedt  #define PPC_REG_PIKE_MARK_SP 8
9299942001-08-15Marcus Comstedt #define PPC_REG_PIKE_FP 9 #define PPC_REG_PIKE_SP 10 #define PPC_REG_PIKE_INTERP 31 extern int ppc32_codegen_state; void ppc32_flush_code_generator_state(void); #define FLUSH_CODE_GENERATOR_STATE ppc32_flush_code_generator_state #define PPC_CODEGEN_FP_ISSET 1 #define PPC_CODEGEN_SP_ISSET 2 #define PPC_CODEGEN_SP_NEEDSSTORE 4
18f2e12001-08-16Marcus Comstedt #define PPC_CODEGEN_MARK_SP_ISSET 8 #define PPC_CODEGEN_MARK_SP_NEEDSSTORE 16
9299942001-08-15Marcus Comstedt  #define LOAD_FP_REG() do { \ if(!(ppc32_codegen_state & PPC_CODEGEN_FP_ISSET)) { \ /* lwz pike_fp,frame_pointer(pike_interpreter) */ \ LWZ(PPC_REG_PIKE_FP, PPC_REG_PIKE_INTERP, \ OFFSETOF(Pike_interpreter, frame_pointer)); \ ppc32_codegen_state |= PPC_CODEGEN_FP_ISSET; \ } \ } while(0) #define LOAD_SP_REG() do { \ if(!(ppc32_codegen_state & PPC_CODEGEN_SP_ISSET)) { \ /* lwz pike_sp,stack_pointer(pike_interpreter) */ \ LWZ(PPC_REG_PIKE_SP, PPC_REG_PIKE_INTERP, \ OFFSETOF(Pike_interpreter, stack_pointer)); \ ppc32_codegen_state |= PPC_CODEGEN_SP_ISSET; \ } \ } while(0)
18f2e12001-08-16Marcus Comstedt #define LOAD_MARK_SP_REG() do { \ if(!(ppc32_codegen_state & PPC_CODEGEN_MARK_SP_ISSET)) { \ /* lwz pike_mark_sp,mark_stack_pointer(pike_interpreter) */ \ LWZ(PPC_REG_PIKE_MARK_SP, PPC_REG_PIKE_INTERP, \ OFFSETOF(Pike_interpreter, mark_stack_pointer)); \ ppc32_codegen_state |= PPC_CODEGEN_MARK_SP_ISSET; \ } \ } while(0)
9299942001-08-15Marcus Comstedt #define INCR_SP_REG(n) do { \ /* addi pike_sp,pike_sp,n */ \ ADDI(PPC_REG_PIKE_SP, PPC_REG_PIKE_SP, n); \ ppc32_codegen_state |= PPC_CODEGEN_SP_NEEDSSTORE; \ } while(0)
18f2e12001-08-16Marcus Comstedt #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); \ ppc32_codegen_state |= PPC_CODEGEN_MARK_SP_NEEDSSTORE; \ } while(0)
9299942001-08-15Marcus Comstedt #define UPDATE_PC() do { \ INT32 tmp = PIKE_PC; \ LOAD_FP_REG(); \ SET_REG(0, tmp); \ /* stw r0,pc(pike_fp) */ \ STW(0, PPC_REG_PIKE_FP, OFFSETOF(pike_frame, pc)); \
55d3e12001-07-26Marcus Comstedt  } 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))
807a8c2001-08-16Marcus Comstedt INT32 ppc32_ins_f_jump(unsigned int b); void ppc32_update_f_jump(INT32 offset, INT32 to_offset); INT32 ppc32_read_f_jump(INT32 offset); #define INS_F_JUMP ppc32_ins_f_jump #define UPDATE_F_JUMP ppc32_update_f_jump #define READ_F_JUMP ppc32_read_f_jump
55d3e12001-07-26Marcus Comstedt #define READ_INCR_BYTE(PC) (((PC)++)[0])
9299942001-08-15Marcus Comstedt #if 0
55d3e12001-07-26Marcus Comstedt #define RELOCATE_program(P, NEW) do { \ PIKE_OPCODE_T *op_ = NEW; \ struct program *p_ = P; \ size_t rel_ = p_->num_relocations; \ INT32 delta_ = p_->program - op_; \ while (rel_--) { \ DO_IF_DEBUG( \ if ((op_[p_->relocations[rel_]] & 0xfc000002) != \ 0x48000000) { \ fatal("Bad relocation: %d, off:%d, opcode: 0x%08x\n", \ rel_, p_->relocations[rel_], \ op_[p_->relocations[rel_]]); \ } \ ); \ op_[p_->relocations[rel_]] = 0x48000000 | \ ((op_[p_->relocations[rel_]] + (delta_<<2)) & \ 0x03ffffff); \ } \ } while(0)
9299942001-08-15Marcus Comstedt #endif
55d3e12001-07-26Marcus Comstedt 
6850222001-07-30Marcus Comstedt extern void ppc32_flush_instruction_cache(void *addr, size_t len); #define FLUSH_INSTRUCTION_CACHE ppc32_flush_instruction_cache
55d3e12001-07-26Marcus Comstedt /* struct dynamic_buffer_s; void ppc32_encode_program(struct program *p, struct dynamic_buffer_s *buf); void ppc32_decode_program(struct program *p); #define ENCODE_PROGRAM(P, BUF) ppc32_encode_program(P, BUF) #define DECODE_PROGRAM(P) ppc32_decode_program(p) */
9a41452001-08-01Marcus Comstedt 
9299942001-08-15Marcus Comstedt #ifdef PIKE_CPU_REG_PREFIX #define PPC_REGNAME(n) PIKE_CPU_REG_PREFIX #n
3ff1ea2001-08-14Marcus Comstedt #else
9299942001-08-15Marcus Comstedt #define PPC_REGNAME(n) #n
3ff1ea2001-08-14Marcus Comstedt #endif
9299942001-08-15Marcus Comstedt #define CALL_MACHINE_CODE(pc) \ __asm__ __volatile__( " mtctr %0\n" \ " mr "PPC_REGNAME(31)",%1\n" \ " bctr" \ : \ : "r" (pc), "r" (&Pike_interpreter) \ : "ctr", "lr", "cc", "memory", "r31", "r0", \ "r3", "r4", "r5", "r6", "r7", "r8", "r9", \
3ff1ea2001-08-14Marcus Comstedt  "r10", "r11", "r12")
9a41452001-08-01Marcus Comstedt