sim/frv/profile-fr450.c

/* frv simulator fr450 dependent profiling code.

   Copyright (C) 2001-2018 Free Software Foundation, Inc.
   Contributed by Red Hat

This file is part of the GNU simulators.

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 <http://www.gnu.org/licenses/>.

*/
#define WANT_CPU
#define WANT_CPU_FRVBF

#include "sim-main.h"
#include "bfd.h"

#if WITH_PROFILE_MODEL_P

#include "profile.h"
#include "profile-fr400.h"

int
frvbf_model_fr450_u_exec (SIM_CPU *cpu, const IDESC *idesc,
			    int unit_num, int referenced)
{
  return idesc->timing->units[unit_num].done;
}

int
frvbf_model_fr450_u_integer (SIM_CPU *cpu, const IDESC *idesc,
			     int unit_num, int referenced,
			     INT in_GRi, INT in_GRj, INT out_GRk,
			     INT out_ICCi_1)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_integer (cpu, idesc, unit_num, referenced,
				      in_GRi, in_GRj, out_GRk, out_ICCi_1);
}

int
frvbf_model_fr450_u_imul (SIM_CPU *cpu, const IDESC *idesc,
			  int unit_num, int referenced,
			  INT in_GRi, INT in_GRj, INT out_GRk, INT out_ICCi_1)
{
  int cycles;

  if (model_insn == FRV_INSN_MODEL_PASS_1)
    {
      /* Pass 1 is the same as for fr500.  */
      return frvbf_model_fr500_u_imul (cpu, idesc, unit_num, referenced,
				       in_GRi, in_GRj, out_GRk, out_ICCi_1);
    }

  /* icc0-icc4 are the upper 4 fields of the CCR.  */
  if (out_ICCi_1 >= 0)
    out_ICCi_1 += 4;

  /* GRk and IACCi_1 have a latency of 1 cycle.  */
  cycles = idesc->timing->units[unit_num].done;
  update_GRdouble_latency (cpu, out_GRk, cycles + 1);
  update_CCR_latency (cpu, out_ICCi_1, cycles + 1);

  return cycles;
}

int
frvbf_model_fr450_u_idiv (SIM_CPU *cpu, const IDESC *idesc,
			  int unit_num, int referenced,
			  INT in_GRi, INT in_GRj, INT out_GRk, INT out_ICCi_1)
{
  int cycles;

  if (model_insn == FRV_INSN_MODEL_PASS_1)
    {
      /* Pass 1 is the same as for fr500.  */
      return frvbf_model_fr500_u_idiv (cpu, idesc, unit_num, referenced,
				       in_GRi, in_GRj, out_GRk, out_ICCi_1);
    }

  /* icc0-icc4 are the upper 4 fields of the CCR.  */
  if (out_ICCi_1 >= 0)
    out_ICCi_1 += 4;

  /* GRk, ICCi_1 and the divider have a latency of 18 cycles  */
  cycles = idesc->timing->units[unit_num].done;
  update_GR_latency (cpu, out_GRk, cycles + 18);
  update_CCR_latency (cpu, out_ICCi_1, cycles + 18);
  update_idiv_resource_latency (cpu, 0, cycles + 18);

  return cycles;
}

int
frvbf_model_fr450_u_branch (SIM_CPU *cpu, const IDESC *idesc,
			    int unit_num, int referenced,
			    INT in_GRi, INT in_GRj,
			    INT in_ICCi_2, INT in_ICCi_3)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_branch (cpu, idesc, unit_num, referenced,
				     in_GRi, in_GRj, in_ICCi_2, in_ICCi_3);
}

int
frvbf_model_fr450_u_trap (SIM_CPU *cpu, const IDESC *idesc,
			  int unit_num, int referenced,
			  INT in_GRi, INT in_GRj,
			  INT in_ICCi_2, INT in_FCCi_2)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_trap (cpu, idesc, unit_num, referenced,
				   in_GRi, in_GRj, in_ICCi_2, in_FCCi_2);
}

int
frvbf_model_fr450_u_check (SIM_CPU *cpu, const IDESC *idesc,
			   int unit_num, int referenced,
			   INT in_ICCi_3, INT in_FCCi_3)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_check (cpu, idesc, unit_num, referenced,
				    in_ICCi_3, in_FCCi_3);
}

int
frvbf_model_fr450_u_set_hilo (SIM_CPU *cpu, const IDESC *idesc,
			     int unit_num, int referenced,
			     INT out_GRkhi, INT out_GRklo)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_set_hilo (cpu, idesc, unit_num, referenced,
				       out_GRkhi, out_GRklo);
}

int
frvbf_model_fr450_u_gr_load (SIM_CPU *cpu, const IDESC *idesc,
			     int unit_num, int referenced,
			     INT in_GRi, INT in_GRj,
			     INT out_GRk, INT out_GRdoublek)
{
  int cycles;

  if (model_insn == FRV_INSN_MODEL_PASS_1)
    {
      /* Pass 1 is the same as for fr500.  */
      return frvbf_model_fr500_u_fr_load (cpu, idesc, unit_num, referenced,
					  in_GRi, in_GRj, out_GRk,
					  out_GRdoublek);
    }

  cycles = idesc->timing->units[unit_num].done;

  /* The latency of GRk for a load will depend on how long it takes to retrieve
     the the data from the cache or memory.  */
  update_GR_latency_for_load (cpu, out_GRk, cycles);
  update_GRdouble_latency_for_load (cpu, out_GRdoublek, cycles);

  if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
    {
      /* GNER has a latency of 2 cycles.  */
      update_SPR_latency (cpu, GNER_FOR_GR (out_GRk), cycles + 2);
      update_SPR_latency (cpu, GNER_FOR_GR (out_GRdoublek), cycles + 2);
    }

  return cycles;
}

int
frvbf_model_fr450_u_gr_store (SIM_CPU *cpu, const IDESC *idesc,
			      int unit_num, int referenced,
			      INT in_GRi, INT in_GRj,
			      INT in_GRk, INT in_GRdoublek)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_gr_store (cpu, idesc, unit_num, referenced,
				       in_GRi, in_GRj, in_GRk, in_GRdoublek);
}

int
frvbf_model_fr450_u_fr_load (SIM_CPU *cpu, const IDESC *idesc,
			     int unit_num, int referenced,
			     INT in_GRi, INT in_GRj,
			     INT out_FRk, INT out_FRdoublek)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_fr_load (cpu, idesc, unit_num, referenced,
				      in_GRi, in_GRj, out_FRk, out_FRdoublek);
}

int
frvbf_model_fr450_u_fr_store (SIM_CPU *cpu, const IDESC *idesc,
			      int unit_num, int referenced,
			      INT in_GRi, INT in_GRj,
			      INT in_FRk, INT in_FRdoublek)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_fr_load (cpu, idesc, unit_num, referenced,
				      in_GRi, in_GRj, in_FRk, in_FRdoublek);
}

int
frvbf_model_fr450_u_swap (SIM_CPU *cpu, const IDESC *idesc,
			  int unit_num, int referenced,
			  INT in_GRi, INT in_GRj, INT out_GRk)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_swap (cpu, idesc, unit_num, referenced,
				   in_GRi, in_GRj, out_GRk);
}

int
frvbf_model_fr450_u_fr2gr (SIM_CPU *cpu, const IDESC *idesc,
			   int unit_num, int referenced,
			   INT in_FRk, INT out_GRj)
{
  int cycles;

  if (model_insn == FRV_INSN_MODEL_PASS_1)
    {
      /* Pass 1 is the same as for fr400.  */
      return frvbf_model_fr500_u_fr2gr (cpu, idesc, unit_num, referenced,
					in_FRk, out_GRj);
    }

  /* The latency of GRj is 1 cycle.  */
  cycles = idesc->timing->units[unit_num].done;
  update_GR_latency (cpu, out_GRj, cycles + 1);

  return cycles;
}

int
frvbf_model_fr450_u_spr2gr (SIM_CPU *cpu, const IDESC *idesc,
			   int unit_num, int referenced,
			   INT in_spr, INT out_GRj)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_spr2gr (cpu, idesc, unit_num, referenced,
				     in_spr, out_GRj);
}

int
frvbf_model_fr450_u_gr2fr (SIM_CPU *cpu, const IDESC *idesc,
			   int unit_num, int referenced,
			   INT in_GRj, INT out_FRk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_gr2fr (cpu, idesc, unit_num, referenced,
				    in_GRj, out_FRk);
}

int
frvbf_model_fr450_u_gr2spr (SIM_CPU *cpu, const IDESC *idesc,
			    int unit_num, int referenced,
			    INT in_GRj, INT out_spr)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_gr2spr (cpu, idesc, unit_num, referenced,
				     in_GRj, out_spr);
}

int
frvbf_model_fr450_u_media_1 (SIM_CPU *cpu, const IDESC *idesc,
			     int unit_num, int referenced,
			     INT in_FRi, INT in_FRj,
			     INT out_FRk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_1 (cpu, idesc, unit_num, referenced,
				      in_FRi, in_FRj, out_FRk);
}

int
frvbf_model_fr450_u_media_1_quad (SIM_CPU *cpu, const IDESC *idesc,
				  int unit_num, int referenced,
				  INT in_FRi, INT in_FRj,
				  INT out_FRk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_1_quad (cpu, idesc, unit_num, referenced,
					   in_FRi, in_FRj, out_FRk);
}

int
frvbf_model_fr450_u_media_hilo (SIM_CPU *cpu, const IDESC *idesc,
				int unit_num, int referenced,
				INT out_FRkhi, INT out_FRklo)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_hilo (cpu, idesc, unit_num, referenced,
					 out_FRkhi, out_FRklo);
}

int
frvbf_model_fr450_u_media_2 (SIM_CPU *cpu, const IDESC *idesc,
			     int unit_num, int referenced,
			     INT in_FRi, INT in_FRj,
			     INT out_ACC40Sk, INT out_ACC40Uk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_2 (cpu, idesc, unit_num, referenced,
				      in_FRi, in_FRj, out_ACC40Sk,
				      out_ACC40Uk);
}

int
frvbf_model_fr450_u_media_2_quad (SIM_CPU *cpu, const IDESC *idesc,
				  int unit_num, int referenced,
				  INT in_FRi, INT in_FRj,
				  INT out_ACC40Sk, INT out_ACC40Uk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_2_quad (cpu, idesc, unit_num, referenced,
					   in_FRi, in_FRj, out_ACC40Sk,
					   out_ACC40Uk);
}

int
frvbf_model_fr450_u_media_2_acc (SIM_CPU *cpu, const IDESC *idesc,
				 int unit_num, int referenced,
				 INT in_ACC40Si, INT out_ACC40Sk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_2_acc (cpu, idesc, unit_num, referenced,
					  in_ACC40Si, out_ACC40Sk);
}

int
frvbf_model_fr450_u_media_2_acc_dual (SIM_CPU *cpu, const IDESC *idesc,
				      int unit_num, int referenced,
				      INT in_ACC40Si, INT out_ACC40Sk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_2_acc_dual (cpu, idesc, unit_num,
					       referenced, in_ACC40Si,
					       out_ACC40Sk);
}

int
frvbf_model_fr450_u_media_2_add_sub (SIM_CPU *cpu, const IDESC *idesc,
				     int unit_num, int referenced,
				     INT in_ACC40Si, INT out_ACC40Sk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_2_add_sub (cpu, idesc, unit_num,
					      referenced, in_ACC40Si,
					      out_ACC40Sk);
}

int
frvbf_model_fr450_u_media_2_add_sub_dual (SIM_CPU *cpu, const IDESC *idesc,
					  int unit_num, int referenced,
					  INT in_ACC40Si, INT out_ACC40Sk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_2_add_sub_dual (cpu, idesc, unit_num,
						   referenced, in_ACC40Si,
						   out_ACC40Sk);
}

int
frvbf_model_fr450_u_media_3 (SIM_CPU *cpu, const IDESC *idesc,
			     int unit_num, int referenced,
			     INT in_FRi, INT in_FRj,
			     INT out_FRk)
{
  /* Modelling is the same as media unit 1.  */
  return frvbf_model_fr450_u_media_1 (cpu, idesc, unit_num, referenced,
				      in_FRi, in_FRj, out_FRk);
}

int
frvbf_model_fr450_u_media_3_dual (SIM_CPU *cpu, const IDESC *idesc,
				  int unit_num, int referenced,
				  INT in_FRi, INT out_FRk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_3_dual (cpu, idesc, unit_num, referenced,
					   in_FRi, out_FRk);
}

int
frvbf_model_fr450_u_media_3_quad (SIM_CPU *cpu, const IDESC *idesc,
				  int unit_num, int referenced,
				  INT in_FRi, INT in_FRj,
				  INT out_FRk)
{
  /* Modelling is the same as media unit 1.  */
  return frvbf_model_fr450_u_media_1_quad (cpu, idesc, unit_num, referenced,
					   in_FRi, in_FRj, out_FRk);
}

int
frvbf_model_fr450_u_media_4 (SIM_CPU *cpu, const IDESC *idesc,
			     int unit_num, int referenced,
			     INT in_ACC40Si, INT in_FRj,
			     INT out_ACC40Sk, INT out_FRk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_4 (cpu, idesc, unit_num, referenced,
				      in_ACC40Si, in_FRj,
				      out_ACC40Sk, out_FRk);
}

int
frvbf_model_fr450_u_media_4_accg (SIM_CPU *cpu, const IDESC *idesc,
				  int unit_num, int referenced,
				  INT in_ACCGi, INT in_FRinti,
				  INT out_ACCGk, INT out_FRintk)
{
  /* Modelling is the same as media-4 unit except use accumulator guards
     as input instead of accumulators.  */
  return frvbf_model_fr450_u_media_4 (cpu, idesc, unit_num, referenced,
				      in_ACCGi, in_FRinti,
				      out_ACCGk, out_FRintk);
}

int
frvbf_model_fr450_u_media_4_acc_dual (SIM_CPU *cpu, const IDESC *idesc,
				      int unit_num, int referenced,
				      INT in_ACC40Si, INT out_FRk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_4_acc_dual (cpu, idesc, unit_num,
					       referenced, in_ACC40Si,
					       out_FRk);
}

int
frvbf_model_fr450_u_media_4_mclracca (SIM_CPU *cpu, const IDESC *idesc,
				      int unit_num, int referenced)
{
  int cycles;
  int acc;
  FRV_PROFILE_STATE *ps;

  if (model_insn == FRV_INSN_MODEL_PASS_1)
    return 0;

  /* The preprocessing can execute right away.  */
  cycles = idesc->timing->units[unit_num].done;

  ps = CPU_PROFILE_STATE (cpu);

  /* The post processing must wait for any pending ACC writes.  */
  ps->post_wait = cycles;
  for (acc = 0; acc < 4; acc++)
    post_wait_for_ACC (cpu, acc);
  for (acc = 8; acc < 12; acc++)
    post_wait_for_ACC (cpu, acc);

  for (acc = 0; acc < 4; acc++)
    {
      update_ACC_latency (cpu, acc, ps->post_wait);
      update_ACC_ptime (cpu, acc, 2);
    }
  for (acc = 8; acc < 12; acc++)
    {
      update_ACC_latency (cpu, acc, ps->post_wait);
      update_ACC_ptime (cpu, acc, 2);
    }

  return cycles;
}

int
frvbf_model_fr450_u_media_6 (SIM_CPU *cpu, const IDESC *idesc,
			     int unit_num, int referenced,
			     INT in_FRi, INT out_FRk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_6 (cpu, idesc, unit_num, referenced,
				      in_FRi, out_FRk);
}

int
frvbf_model_fr450_u_media_7 (SIM_CPU *cpu, const IDESC *idesc,
			     int unit_num, int referenced,
			     INT in_FRinti, INT in_FRintj,
			     INT out_FCCk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_7 (cpu, idesc, unit_num, referenced,
				      in_FRinti, in_FRintj, out_FCCk);
}

int
frvbf_model_fr450_u_media_dual_expand (SIM_CPU *cpu, const IDESC *idesc,
				       int unit_num, int referenced,
				       INT in_FRi,
				       INT out_FRk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_dual_expand (cpu, idesc, unit_num,
						referenced, in_FRi, out_FRk);
}

int
frvbf_model_fr450_u_media_dual_htob (SIM_CPU *cpu, const IDESC *idesc,
				     int unit_num, int referenced,
				     INT in_FRj,
				     INT out_FRk)
{
  /* Modelling for this unit is the same as for fr400.  */
  return frvbf_model_fr400_u_media_dual_htob (cpu, idesc, unit_num,
					      referenced, in_FRj, out_FRk);
}

int
frvbf_model_fr450_u_ici (SIM_CPU *cpu, const IDESC *idesc,
			 int unit_num, int referenced,
			 INT in_GRi, INT in_GRj)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_ici (cpu, idesc, unit_num, referenced,
				  in_GRi, in_GRj);
}

int
frvbf_model_fr450_u_dci (SIM_CPU *cpu, const IDESC *idesc,
			 int unit_num, int referenced,
			 INT in_GRi, INT in_GRj)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_dci (cpu, idesc, unit_num, referenced,
				  in_GRi, in_GRj);
}

int
frvbf_model_fr450_u_dcf (SIM_CPU *cpu, const IDESC *idesc,
			 int unit_num, int referenced,
			 INT in_GRi, INT in_GRj)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_dcf (cpu, idesc, unit_num, referenced,
				  in_GRi, in_GRj);
}

int
frvbf_model_fr450_u_icpl (SIM_CPU *cpu, const IDESC *idesc,
			  int unit_num, int referenced,
			  INT in_GRi, INT in_GRj)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_icpl (cpu, idesc, unit_num, referenced,
				   in_GRi, in_GRj);
}

int
frvbf_model_fr450_u_dcpl (SIM_CPU *cpu, const IDESC *idesc,
			  int unit_num, int referenced,
			  INT in_GRi, INT in_GRj)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_dcpl (cpu, idesc, unit_num, referenced,
				   in_GRi, in_GRj);
}

int
frvbf_model_fr450_u_icul (SIM_CPU *cpu, const IDESC *idesc,
			  int unit_num, int referenced,
			  INT in_GRi, INT in_GRj)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_icul (cpu, idesc, unit_num, referenced,
				   in_GRi, in_GRj);
}

int
frvbf_model_fr450_u_dcul (SIM_CPU *cpu, const IDESC *idesc,
			  int unit_num, int referenced,
			  INT in_GRi, INT in_GRj)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_dcul (cpu, idesc, unit_num, referenced,
				   in_GRi, in_GRj);
}

int
frvbf_model_fr450_u_barrier (SIM_CPU *cpu, const IDESC *idesc,
			     int unit_num, int referenced)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_barrier (cpu, idesc, unit_num, referenced);
}

int
frvbf_model_fr450_u_membar (SIM_CPU *cpu, const IDESC *idesc,
			    int unit_num, int referenced)
{
  /* Modelling for this unit is the same as for fr500.  */
  return frvbf_model_fr500_u_membar (cpu, idesc, unit_num, referenced);
}

#endif /* WITH_PROFILE_MODEL_P */