/* Simulator header for cgen parallel support. Copyright (C) 1999-2014 Free Software Foundation, Inc. Contributed by Cygnus Solutions. This file is part of the GNU instruction set simulator. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #ifndef CGEN_PAR_H #define CGEN_PAR_H /* Kinds of writes stored on the write queue. */ enum cgen_write_queue_kind { CGEN_BI_WRITE, CGEN_QI_WRITE, CGEN_SI_WRITE, CGEN_SF_WRITE, CGEN_PC_WRITE, CGEN_FN_HI_WRITE, CGEN_FN_SI_WRITE, CGEN_FN_SF_WRITE, CGEN_FN_DI_WRITE, CGEN_FN_DF_WRITE, CGEN_FN_XI_WRITE, CGEN_FN_PC_WRITE, CGEN_MEM_QI_WRITE, CGEN_MEM_HI_WRITE, CGEN_MEM_SI_WRITE, CGEN_MEM_DI_WRITE, CGEN_MEM_DF_WRITE, CGEN_MEM_XI_WRITE, CGEN_FN_MEM_QI_WRITE, CGEN_FN_MEM_HI_WRITE, CGEN_FN_MEM_SI_WRITE, CGEN_FN_MEM_DI_WRITE, CGEN_FN_MEM_DF_WRITE, CGEN_FN_MEM_XI_WRITE, CGEN_NUM_WRITE_KINDS }; /* Element of the write queue. */ typedef struct { enum cgen_write_queue_kind kind; /* Used to select union member below. */ IADDR insn_address; /* Address of the insn performing the write. */ unsigned32 flags; /* Target specific flags. */ long word1; /* Target specific field. */ union { struct { BI *target; BI value; } bi_write; struct { UQI *target; QI value; } qi_write; struct { SI *target; SI value; } si_write; struct { SI *target; SF value; } sf_write; struct { USI value; } pc_write; struct { UINT regno; UHI value; void (*function)(SIM_CPU *, UINT, UHI); } fn_hi_write; struct { UINT regno; SI value; void (*function)(SIM_CPU *, UINT, USI); } fn_si_write; struct { UINT regno; SF value; void (*function)(SIM_CPU *, UINT, SF); } fn_sf_write; struct { UINT regno; DI value; void (*function)(SIM_CPU *, UINT, DI); } fn_di_write; struct { UINT regno; DF value; void (*function)(SIM_CPU *, UINT, DF); } fn_df_write; struct { UINT regno; SI value[4]; void (*function)(SIM_CPU *, UINT, SI *); } fn_xi_write; struct { USI value; void (*function)(SIM_CPU *, USI); } fn_pc_write; struct { SI address; QI value; } mem_qi_write; struct { SI address; HI value; } mem_hi_write; struct { SI address; SI value; } mem_si_write; struct { SI address; DI value; } mem_di_write; struct { SI address; DF value; } mem_df_write; struct { SI address; SI value[4]; } mem_xi_write; struct { SI address; QI value; void (*function)(SIM_CPU *, IADDR, SI, QI); } fn_mem_qi_write; struct { SI address; HI value; void (*function)(SIM_CPU *, IADDR, SI, HI); } fn_mem_hi_write; struct { SI address; SI value; void (*function)(SIM_CPU *, IADDR, SI, SI); } fn_mem_si_write; struct { SI address; DI value; void (*function)(SIM_CPU *, IADDR, SI, DI); } fn_mem_di_write; struct { SI address; DF value; void (*function)(SIM_CPU *, IADDR, SI, DF); } fn_mem_df_write; struct { SI address; SI value[4]; void (*function)(SIM_CPU *, IADDR, SI, SI *); } fn_mem_xi_write; } kinds; } CGEN_WRITE_QUEUE_ELEMENT; #define CGEN_WRITE_QUEUE_ELEMENT_KIND(element) ((element)->kind) #define CGEN_WRITE_QUEUE_ELEMENT_IADDR(element) ((element)->insn_address) #define CGEN_WRITE_QUEUE_ELEMENT_FLAGS(element) ((element)->flags) #define CGEN_WRITE_QUEUE_ELEMENT_WORD1(element) ((element)->word1) extern void cgen_write_queue_element_execute ( SIM_CPU *, CGEN_WRITE_QUEUE_ELEMENT * ); /* Instance of the queue for parallel write-after support. */ /* FIXME: Should be dynamic? */ #define CGEN_WRITE_QUEUE_SIZE (64 * 4) /* 64 writes x 4 insns -- for now. */ typedef struct { int index; CGEN_WRITE_QUEUE_ELEMENT q[CGEN_WRITE_QUEUE_SIZE]; } CGEN_WRITE_QUEUE; #define CGEN_WRITE_QUEUE_CLEAR(queue) ((queue)->index = 0) #define CGEN_WRITE_QUEUE_INDEX(queue) ((queue)->index) #define CGEN_WRITE_QUEUE_ELEMENT(queue, ix) (&(queue)->q[(ix)]) #define CGEN_WRITE_QUEUE_NEXT(queue) ( \ (queue)->index < CGEN_WRITE_QUEUE_SIZE \ ? &(queue)->q[(queue)->index++] \ : cgen_write_queue_overflow (queue) \ ) extern CGEN_WRITE_QUEUE_ELEMENT *cgen_write_queue_overflow (CGEN_WRITE_QUEUE *); /* Functions for queuing writes. Used by semantic code. */ extern void sim_queue_bi_write (SIM_CPU *, BI *, BI); extern void sim_queue_qi_write (SIM_CPU *, UQI *, UQI); extern void sim_queue_si_write (SIM_CPU *, SI *, SI); extern void sim_queue_sf_write (SIM_CPU *, SI *, SF); extern void sim_queue_pc_write (SIM_CPU *, USI); extern void sim_queue_fn_hi_write (SIM_CPU *, void (*)(SIM_CPU *, UINT, UHI), UINT, UHI); extern void sim_queue_fn_si_write (SIM_CPU *, void (*)(SIM_CPU *, UINT, USI), UINT, USI); extern void sim_queue_fn_sf_write (SIM_CPU *, void (*)(SIM_CPU *, UINT, SF), UINT, SF); extern void sim_queue_fn_di_write (SIM_CPU *, void (*)(SIM_CPU *, UINT, DI), UINT, DI); extern void sim_queue_fn_df_write (SIM_CPU *, void (*)(SIM_CPU *, UINT, DF), UINT, DF); extern void sim_queue_fn_xi_write (SIM_CPU *, void (*)(SIM_CPU *, UINT, SI *), UINT, SI *); extern void sim_queue_fn_pc_write (SIM_CPU *, void (*)(SIM_CPU *, USI), USI); extern void sim_queue_mem_qi_write (SIM_CPU *, SI, QI); extern void sim_queue_mem_hi_write (SIM_CPU *, SI, HI); extern void sim_queue_mem_si_write (SIM_CPU *, SI, SI); extern void sim_queue_mem_di_write (SIM_CPU *, SI, DI); extern void sim_queue_mem_df_write (SIM_CPU *, SI, DF); extern void sim_queue_mem_xi_write (SIM_CPU *, SI, SI *); extern void sim_queue_fn_mem_qi_write (SIM_CPU *, void (*)(SIM_CPU *, IADDR, SI, QI), SI, QI); extern void sim_queue_fn_mem_hi_write (SIM_CPU *, void (*)(SIM_CPU *, IADDR, SI, HI), SI, HI); extern void sim_queue_fn_mem_si_write (SIM_CPU *, void (*)(SIM_CPU *, IADDR, SI, SI), SI, SI); extern void sim_queue_fn_mem_di_write (SIM_CPU *, void (*)(SIM_CPU *, IADDR, SI, DI), SI, DI); extern void sim_queue_fn_mem_df_write (SIM_CPU *, void (*)(SIM_CPU *, IADDR, SI, DF), SI, DF); extern void sim_queue_fn_mem_xi_write (SIM_CPU *, void (*)(SIM_CPU *, IADDR, SI, SI *), SI, SI *); #endif /* CGEN_PAR_H */