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Diffstat (limited to 'sim/bfin/bfin-sim.c')
-rw-r--r--sim/bfin/bfin-sim.c93
1 files changed, 49 insertions, 44 deletions
diff --git a/sim/bfin/bfin-sim.c b/sim/bfin/bfin-sim.c
index 8e76291..25cc6d1 100644
--- a/sim/bfin/bfin-sim.c
+++ b/sim/bfin/bfin-sim.c
@@ -1762,7 +1762,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_branch);
TRACE_INSN (cpu, "RTS;");
IFETCH_CHECK (newpc);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
TRACE_BRANCH (cpu, pc, newpc, -1, "RTS");
SET_PCREG (newpc);
@@ -1774,7 +1774,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_branch);
TRACE_INSN (cpu, "RTI;");
/* Do not do IFETCH_CHECK here -- LSB has special meaning. */
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
cec_return (cpu, -1);
CYCLE_DELAY = 5;
@@ -1786,7 +1786,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
TRACE_INSN (cpu, "RTX;");
/* XXX: Not sure if this is what the hardware does. */
IFETCH_CHECK (newpc);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
cec_return (cpu, IVG_EVX);
CYCLE_DELAY = 5;
@@ -1798,7 +1798,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
TRACE_INSN (cpu, "RTN;");
/* XXX: Not sure if this is what the hardware does. */
IFETCH_CHECK (newpc);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
cec_return (cpu, IVG_NMI);
CYCLE_DELAY = 5;
@@ -1807,7 +1807,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
{
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_branch);
TRACE_INSN (cpu, "RTE;");
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
cec_return (cpu, IVG_EMU);
CYCLE_DELAY = 5;
@@ -1822,7 +1822,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
in user mode, it's a NOP ... */
TRACE_INSN (cpu, "IDLE;");
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
/* Timewarp ! */
@@ -1836,7 +1836,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_sync);
/* Just NOP it. */
TRACE_INSN (cpu, "CSYNC;");
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
CYCLE_DELAY = 10;
}
@@ -1845,7 +1845,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_sync);
/* Just NOP it. */
TRACE_INSN (cpu, "SSYNC;");
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
/* Really 10+, but no model info for this. */
@@ -1855,7 +1855,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
{
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_cec);
TRACE_INSN (cpu, "EMUEXCPT;");
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
cec_exception (cpu, VEC_SIM_TRAP);
}
@@ -1863,7 +1863,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
{
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_cec);
TRACE_INSN (cpu, "CLI R%i;", poprnd);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_DREG (poprnd, cec_cli (cpu));
}
@@ -1871,7 +1871,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
{
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_cec);
TRACE_INSN (cpu, "STI R%i;", poprnd);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
cec_sti (cpu, DREG (poprnd));
CYCLE_DELAY = 3;
@@ -1882,7 +1882,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_branch);
TRACE_INSN (cpu, "JUMP (%s);", get_preg_name (poprnd));
IFETCH_CHECK (newpc);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
TRACE_BRANCH (cpu, pc, newpc, -1, "JUMP (Preg)");
SET_PCREG (newpc);
@@ -1896,7 +1896,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_branch);
TRACE_INSN (cpu, "CALL (%s);", get_preg_name (poprnd));
IFETCH_CHECK (newpc);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
TRACE_BRANCH (cpu, pc, newpc, -1, "CALL (Preg)");
/* If we're at the end of a hardware loop, RETS is going to be
@@ -1913,7 +1913,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_branch);
TRACE_INSN (cpu, "CALL (PC + %s);", get_preg_name (poprnd));
IFETCH_CHECK (newpc);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
TRACE_BRANCH (cpu, pc, newpc, -1, "CALL (PC + Preg)");
SET_RETSREG (hwloop_get_next_pc (cpu, pc, 2));
@@ -1928,7 +1928,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_branch);
TRACE_INSN (cpu, "JUMP (PC + %s);", get_preg_name (poprnd));
IFETCH_CHECK (newpc);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
TRACE_BRANCH (cpu, pc, newpc, -1, "JUMP (PC + Preg)");
SET_PCREG (newpc);
@@ -1941,7 +1941,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
int raise = uimm4 (poprnd);
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_cec);
TRACE_INSN (cpu, "RAISE %s;", uimm4_str (raise));
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
cec_require_supervisor (cpu);
if (raise == IVG_IVHW)
@@ -1955,7 +1955,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
int excpt = uimm4 (poprnd);
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_cec);
TRACE_INSN (cpu, "EXCPT %s;", uimm4_str (excpt));
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
cec_exception (cpu, excpt);
CYCLE_DELAY = 3;
@@ -1966,7 +1966,7 @@ decode_ProgCtrl_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
bu8 byte;
PROFILE_COUNT_INSN (cpu, pc, BFIN_INSN_ProgCtrl_atomic);
TRACE_INSN (cpu, "TESTSET (%s);", get_preg_name (poprnd));
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
byte = GET_WORD (addr);
SET_CCREG (byte == 0);
@@ -1995,7 +1995,7 @@ decode_CaCTRL_0 (SIM_CPU *cpu, bu16 iw0)
TRACE_EXTRACT (cpu, "%s: a:%i op:%i reg:%i", __func__, a, op, reg);
TRACE_INSN (cpu, "%s [%s%s];", sinsn[op], get_preg_name (reg), a ? "++" : "");
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
/* None of these can be part of a parallel instruction. */
illegal_instruction_combination (cpu);
@@ -2054,7 +2054,8 @@ decode_PushPopReg_0 (SIM_CPU *cpu, bu16 iw0)
illegal_instruction (cpu);
TRACE_INSN (cpu, "%s = [SP++];", reg_name);
/* Can't pop USP while in userspace. */
- if (INSN_LEN == 8 || (grp == 7 && reg == 0 && cec_is_user_mode(cpu)))
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE
+ || (grp == 7 && reg == 0 && cec_is_user_mode(cpu)))
illegal_instruction_combination (cpu);
/* XXX: The valid register check is in reg_write(), so we might
incorrectly do a GET_LONG() here ... */
@@ -2068,7 +2069,7 @@ decode_PushPopReg_0 (SIM_CPU *cpu, bu16 iw0)
else
{
TRACE_INSN (cpu, "[--SP] = %s;", reg_name);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
sp -= 4;
@@ -2183,7 +2184,7 @@ decode_ccMV_0 (SIM_CPU *cpu, bu16 iw0)
TRACE_INSN (cpu, "IF %sCC %s = %s;", T ? "" : "! ",
get_allreg_name (d, dst),
get_allreg_name (s, src));
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
if (cond)
@@ -2219,21 +2220,21 @@ decode_CCflag_0 (SIM_CPU *cpu, bu16 iw0)
if (opc == 5 && I == 0 && G == 0)
{
TRACE_INSN (cpu, "CC = A0 == A1;");
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_CCREG (acc0 == acc1);
}
else if (opc == 6 && I == 0 && G == 0)
{
TRACE_INSN (cpu, "CC = A0 < A1");
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_CCREG (acc0 < acc1);
}
else if (opc == 7 && I == 0 && G == 0)
{
TRACE_INSN (cpu, "CC = A0 <= A1");
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_CCREG (acc0 <= acc1);
}
@@ -2330,21 +2331,21 @@ decode_CC2dreg_0 (SIM_CPU *cpu, bu16 iw0)
if (op == 0)
{
TRACE_INSN (cpu, "R%i = CC;", reg);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_DREG (reg, CCREG);
}
else if (op == 1)
{
TRACE_INSN (cpu, "CC = R%i;", reg);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_CCREG (DREG (reg) != 0);
}
else if (op == 3 && reg == 0)
{
TRACE_INSN (cpu, "CC = !CC;");
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_CCREG (!CCREG);
}
@@ -2376,7 +2377,7 @@ decode_CC2stat_0 (SIM_CPU *cpu, bu16 iw0)
if (cbit == 5)
illegal_instruction (cpu);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
pval = !!(ASTAT & (1 << cbit));
@@ -2422,7 +2423,7 @@ decode_BRCC_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
TRACE_INSN (cpu, "IF %sCC JUMP %#x%s;", T ? "" : "! ",
pcrel, B ? " (bp)" : "");
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
if (cond)
@@ -2458,7 +2459,7 @@ decode_UJUMP_0 (SIM_CPU *cpu, bu16 iw0, bu32 pc)
TRACE_INSN (cpu, "JUMP.S %#x;", pcrel);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
TRACE_BRANCH (cpu, pc, newpc, -1, "JUMP.S");
@@ -2705,21 +2706,21 @@ decode_LOGI2op_0 (SIM_CPU *cpu, bu16 iw0)
if (opc == 0)
{
TRACE_INSN (cpu, "CC = ! BITTST (R%i, %s);", dst, uimm_str);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_CCREG ((~DREG (dst) >> uimm) & 1);
}
else if (opc == 1)
{
TRACE_INSN (cpu, "CC = BITTST (R%i, %s);", dst, uimm_str);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_CCREG ((DREG (dst) >> uimm) & 1);
}
else if (opc == 2)
{
TRACE_INSN (cpu, "BITSET (R%i, %s);", dst, uimm_str);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_DREG (dst, DREG (dst) | (1 << uimm));
setflags_logical (cpu, DREG (dst));
@@ -2727,7 +2728,7 @@ decode_LOGI2op_0 (SIM_CPU *cpu, bu16 iw0)
else if (opc == 3)
{
TRACE_INSN (cpu, "BITTGL (R%i, %s);", dst, uimm_str);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_DREG (dst, DREG (dst) ^ (1 << uimm));
setflags_logical (cpu, DREG (dst));
@@ -2735,7 +2736,7 @@ decode_LOGI2op_0 (SIM_CPU *cpu, bu16 iw0)
else if (opc == 4)
{
TRACE_INSN (cpu, "BITCLR (R%i, %s);", dst, uimm_str);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_DREG (dst, DREG (dst) & ~(1 << uimm));
setflags_logical (cpu, DREG (dst));
@@ -2743,21 +2744,21 @@ decode_LOGI2op_0 (SIM_CPU *cpu, bu16 iw0)
else if (opc == 5)
{
TRACE_INSN (cpu, "R%i >>>= %s;", dst, uimm_str);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_DREG (dst, ashiftrt (cpu, DREG (dst), uimm, 32));
}
else if (opc == 6)
{
TRACE_INSN (cpu, "R%i >>= %s;", dst, uimm_str);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_DREG (dst, lshiftrt (cpu, DREG (dst), uimm, 32));
}
else if (opc == 7)
{
TRACE_INSN (cpu, "R%i <<= %s;", dst, uimm_str);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_DREG (dst, lshift (cpu, DREG (dst), uimm, 32, 0, 0));
}
@@ -3465,7 +3466,7 @@ decode_LoopSetup_0 (SIM_CPU *cpu, bu16 iw0, bu16 iw1, bu32 pc)
if (reg > 7)
illegal_instruction (cpu);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
if (rop == 0)
@@ -3513,7 +3514,7 @@ decode_LDIMMhalf_0 (SIM_CPU *cpu, bu16 iw0, bu16 iw1)
TRACE_EXTRACT (cpu, "%s: Z:%i H:%i S:%i grp:%i reg:%i hword:%#x",
__func__, Z, H, S, grp, reg, hword);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
if (S == 1)
@@ -3565,7 +3566,7 @@ decode_CALLa_0 (SIM_CPU *cpu, bu16 iw0, bu16 iw1, bu32 pc)
TRACE_INSN (cpu, "%s %#x;", S ? "CALL" : "JUMP.L", pcrel);
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
if (S == 1)
@@ -3699,7 +3700,7 @@ decode_linkage_0 (SIM_CPU *cpu, bu16 iw0, bu16 iw1)
int size = uimm16s4 (framesize);
sp = SPREG;
TRACE_INSN (cpu, "LINK %s;", uimm16s4_str (framesize));
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
sp -= 4;
PUT_LONG (sp, RETSREG);
@@ -3714,7 +3715,7 @@ decode_linkage_0 (SIM_CPU *cpu, bu16 iw0, bu16 iw1)
/* Restore SP from FP. */
sp = FPREG;
TRACE_INSN (cpu, "UNLINK;");
- if (INSN_LEN == 8)
+ if (PARALLEL_GROUP != BFIN_PARALLEL_NONE)
illegal_instruction_combination (cpu);
SET_FPREG (GET_LONG (sp));
sp += 4;
@@ -6177,6 +6178,7 @@ _interp_insn_bfin (SIM_CPU *cpu, bu32 pc)
trace_prefix (sd, cpu, NULL_CIA, pc, TRACE_LINENUM_P (cpu),
NULL, 0, "|| %#"PRIx64, sim_events_time (sd));
insn_len = 8;
+ PARALLEL_GROUP = BFIN_PARALLEL_GROUP0;
}
else
insn_len = 4;
@@ -6238,6 +6240,7 @@ interp_insn_bfin (SIM_CPU *cpu, bu32 pc)
bu32 insn_len;
BFIN_CPU_STATE.n_stores = 0;
+ PARALLEL_GROUP = BFIN_PARALLEL_NONE;
DIS_ALGN_EXPT &= ~1;
CYCLE_DELAY = 1;
INSN_LEN = 0;
@@ -6247,7 +6250,9 @@ interp_insn_bfin (SIM_CPU *cpu, bu32 pc)
/* Proper display of multiple issue instructions. */
if (insn_len == 8)
{
+ PARALLEL_GROUP = BFIN_PARALLEL_GROUP1;
_interp_insn_bfin (cpu, pc + 4);
+ PARALLEL_GROUP = BFIN_PARALLEL_GROUP2;
_interp_insn_bfin (cpu, pc + 6);
}
for (i = 0; i < BFIN_CPU_STATE.n_stores; i++)
generated by cgit v1.1 at 2024-11-24 08:40:35 +0000