From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 27 Apr 2021 03:17:15 +0000 (-0400)
Subject: sim: microblaze: enable some basic trace points
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4d47dcfcf1cf8fa34df057b0d5accf7ab91b6b47;p=binutils-gdb.git

sim: microblaze: enable some basic trace points

This isn't super complete, but it's useful enough as-is.
---

diff --git a/sim/microblaze/ChangeLog b/sim/microblaze/ChangeLog
index 8300491731d..c78e896f4c7 100644
--- a/sim/microblaze/ChangeLog
+++ b/sim/microblaze/ChangeLog
@@ -1,3 +1,9 @@
+2021-05-04  Mike Frysinger  <vapier@gentoo.org>
+
+	* interp.c (sim_engine_run): Call TRACE_INSN.
+	(INSTRUCTION): Likewise.
+	* microblaze.isa (addi): Call TRACE_REGISTER.
+
 2021-05-04  Mike Frysinger  <vapier@gentoo.org>
 
 	* interp.c: Include sim-syscall.h.
diff --git a/sim/microblaze/interp.c b/sim/microblaze/interp.c
index 129291895d1..bff73279d26 100644
--- a/sim/microblaze/interp.c
+++ b/sim/microblaze/interp.c
@@ -168,6 +168,7 @@ sim_engine_run (SIM_DESC sd,
 	{
 	  insts += 1;
 	  bonus_cycles++;
+	  TRACE_INSN (cpu, "HALT (%i)", RETREG);
 	  sim_engine_halt (sd, NULL, NULL, NULL_CIA, sim_exited, RETREG);
 	}
       else
@@ -176,6 +177,7 @@ sim_engine_run (SIM_DESC sd,
 	    {
 #define INSTRUCTION(NAME, OPCODE, TYPE, ACTION)		\
 	    case NAME:					\
+	      TRACE_INSN (cpu, #NAME);			\
 	      ACTION;					\
 	      break;
 #include "microblaze.isa"
diff --git a/sim/microblaze/microblaze.isa b/sim/microblaze/microblaze.isa
index a7ac0d4562b..1d96e8fc1c7 100644
--- a/sim/microblaze/microblaze.isa
+++ b/sim/microblaze/microblaze.isa
@@ -110,6 +110,7 @@ INSTRUCTION(addi,
 	    INST_TYPE_RD_RA_IMM,
             CARRY = C_calc(RA, IMM, 0);
 	    RD = RA + IMM;
+	    TRACE_REGISTER (cpu, "r%i = r%i + %i", rd, ra, IMM);
 	    C_wr(CARRY);
 	    PC += INST_SIZE)