aboutsummaryrefslogtreecommitdiff
path: root/sim/v850/simops.c
diff options
context:
space:
mode:
authorAndrew Cagney <cagney@redhat.com>1997-09-15 08:18:20 +0000
committerAndrew Cagney <cagney@redhat.com>1997-09-15 08:18:20 +0000
commit658303f7d4219618030b6a5afce163c93e6034ce (patch)
tree8f69ed6bf0554fcf59936609f67d2c894613090c /sim/v850/simops.c
parent9c82b2b8058ac93b4d9640f5afa2d2abb40f1f20 (diff)
downloadgdb-658303f7d4219618030b6a5afce163c93e6034ce.zip
gdb-658303f7d4219618030b6a5afce163c93e6034ce.tar.gz
gdb-658303f7d4219618030b6a5afce163c93e6034ce.tar.bz2
For v850eq start up with US bit set.
Let sim_analyze_program determine the architecture. Fix various sanitizations.
Diffstat (limited to 'sim/v850/simops.c')
-rw-r--r--sim/v850/simops.c430
1 files changed, 117 insertions, 313 deletions
diff --git a/sim/v850/simops.c b/sim/v850/simops.c
index 05b3fda..5799064 100644
--- a/sim/v850/simops.c
+++ b/sim/v850/simops.c
@@ -41,44 +41,6 @@
#include <sys/time.h>
#endif
-enum op_types
-{
- OP_UNKNOWN,
- OP_NONE,
- OP_TRAP,
- OP_REG,
- OP_REG_REG,
- OP_REG_REG_CMP,
- OP_REG_REG_MOVE,
- OP_IMM_REG,
- OP_IMM_REG_CMP,
- OP_IMM_REG_MOVE,
- OP_COND_BR,
- OP_LOAD16,
- OP_STORE16,
- OP_LOAD32,
- OP_STORE32,
- OP_JUMP,
- OP_IMM_REG_REG,
- OP_UIMM_REG_REG,
- OP_BIT,
- OP_EX1,
- OP_EX2,
- OP_LDSR,
- OP_STSR,
-/* start-sanitize-v850e */
- OP_BIT_CHANGE,
- OP_REG_REG_REG,
- OP_REG_REG3,
-/* end-sanitize-v850e */
-/* start-sanitize-v850eq */
- OP_IMM_REG_REG_REG,
- OP_PUSHPOP1,
- OP_PUSHPOP2,
- OP_PUSHPOP3,
-/* end-sanitize-v850eq */
-};
-
/* start-sanitize-v850e */
/* This is an array of the bit positions of registers r20 .. r31 in that order in a prepare/dispose instruction. */
static int type1_regs[12] = { 27, 26, 25, 24, 31, 30, 29, 28, 23, 22, 0, 21 };
@@ -91,9 +53,6 @@ static int type3_regs[15] = { 2, 1, 0, 27, 26, 25, 24, 31, 30, 29, 28, 23, 22, 2
/* end-sanitize-v850eq */
#ifdef DEBUG
-static void trace_input PARAMS ((char *name, enum op_types type, int size));
-static void trace_output PARAMS ((enum op_types result));
-
#ifndef SIZE_INSTRUCTION
#define SIZE_INSTRUCTION 6
#endif
@@ -111,7 +70,7 @@ static void trace_output PARAMS ((enum op_types result));
#endif
-static void
+void
trace_input (name, type, size)
char *name;
enum op_types type;
@@ -173,268 +132,127 @@ trace_input (name, type, size)
SIZE_LOCATION, SIZE_LOCATION, buf,
SIZE_INSTRUCTION, name);
-#if 0
switch (type)
{
default:
case OP_UNKNOWN:
case OP_NONE:
- strcpy (buf, "unknown");
- break;
-
case OP_TRAP:
- sprintf (buf, "%ld", OP[0]);
+ num_values = 0;
break;
-
+
case OP_REG:
- sprintf (buf, "r%ld", OP[0]);
+ case OP_REG_REG_MOVE:
+ values[0] = State.regs[OP[0]];
+ num_values = 1;
break;
-
+
+ /* start-sanitize-v850e */
+ case OP_BIT_CHANGE:
+ /* end-sanitize-v850e */
case OP_REG_REG:
case OP_REG_REG_CMP:
- case OP_REG_REG_MOVE:
- sprintf (buf, "r%ld,r%ld", OP[0], OP[1]);
+ values[0] = State.regs[OP[1]];
+ values[1] = State.regs[OP[0]];
+ num_values = 2;
break;
-
+
case OP_IMM_REG:
case OP_IMM_REG_CMP:
+ values[0] = SEXT5 (OP[0]);
+ values[1] = OP[1];
+ num_values = 2;
+ break;
+
case OP_IMM_REG_MOVE:
- sprintf (buf, "%ld,r%ld", OP[0], OP[1]);
+ values[0] = SEXT5 (OP[0]);
+ num_values = 1;
break;
-
+
case OP_COND_BR:
- sprintf (buf, "%ld", SEXT9 (OP[0]));
+ values[0] = State.pc;
+ values[1] = SEXT9 (OP[0]);
+ values[2] = PSW;
+ num_values = 3;
break;
-
+
case OP_LOAD16:
- sprintf (buf, "%ld[r30],r%ld", OP[1] * size, OP[0]);
+ values[0] = OP[1] * size;
+ values[1] = State.regs[30];
+ num_values = 2;
break;
-
+
case OP_STORE16:
- sprintf (buf, "r%ld,%ld[r30]", OP[0], OP[1] * size);
+ values[0] = State.regs[OP[0]];
+ values[1] = OP[1] * size;
+ values[2] = State.regs[30];
+ num_values = 3;
break;
-
+
case OP_LOAD32:
- sprintf (buf, "%ld[r%ld],r%ld", EXTEND16 (OP[2]) & ~0x1, OP[0], OP[1]);
+ values[0] = EXTEND16 (OP[2]);
+ values[1] = State.regs[OP[0]];
+ num_values = 2;
break;
-
+
case OP_STORE32:
- sprintf (buf, "r%ld,%ld[r%ld]", OP[1], EXTEND16 (OP[2] & ~0x1), OP[0]);
+ values[0] = State.regs[OP[1]];
+ values[1] = EXTEND16 (OP[2]);
+ values[2] = State.regs[OP[0]];
+ num_values = 3;
break;
-
+
case OP_JUMP:
- sprintf (buf, "%ld,r%ld", SEXT22 (OP[0]), OP[1]);
+ values[0] = SEXT22 (OP[0]);
+ values[1] = State.pc;
+ num_values = 2;
break;
-
+
case OP_IMM_REG_REG:
- sprintf (buf, "%ld,r%ld,r%ld", EXTEND16 (OP[0]), OP[1], OP[2]);
+ values[0] = EXTEND16 (OP[0]) << size;
+ values[1] = State.regs[OP[1]];
+ num_values = 2;
break;
-
+
case OP_UIMM_REG_REG:
- sprintf (buf, "%ld,r%ld,r%ld", OP[0] & 0xffff, OP[1], OP[2]);
+ values[0] = (OP[0] & 0xffff) << size;
+ values[1] = State.regs[OP[1]];
+ num_values = 2;
break;
-
+
case OP_BIT:
- sprintf (buf, "%ld,%ld[r%ld]", OP[1] & 0x7, EXTEND16 (OP[2]), OP[0]);
+ num_values = 0;
break;
-
+
case OP_EX1:
- {
- char *cond;
- switch (OP[0] & 0xf)
- {
- default: cond = "?"; break;
- case 0x0: cond = "v"; break;
- case 0x1: cond = "c"; break;
- case 0x2: cond = "z"; break;
- case 0x3: cond = "nh"; break;
- case 0x4: cond = "s"; break;
- case 0x5: cond = "t"; break;
- case 0x6: cond = "lt"; break;
- case 0x7: cond = "le"; break;
- case 0x8: cond = "nv"; break;
- case 0x9: cond = "nc"; break;
- case 0xa: cond = "nz"; break;
- case 0xb: cond = "h"; break;
- case 0xc: cond = "ns"; break;
- case 0xd: cond = "sa"; break;
- case 0xe: cond = "ge"; break;
- case 0xf: cond = "gt"; break;
- }
- sprintf (buf, "%s,r%ld", cond, OP[1]);
- break;
- }
-
+ values[0] = PSW;
+ num_values = 1;
+ break;
+
case OP_EX2:
- strcpy (buf, "EX2");
+ num_values = 0;
break;
-
+
case OP_LDSR:
- case OP_STSR:
- sprintf (buf, "r%ld,s%ld", OP[0], OP[1]);
- break;
-
- case OP_PUSHPOP1:
- for (i = 0; i < 12; i++)
- if (OP[3] & (1 << type1_regs[i]))
- sprintf (strchr (buf, 0), "r%d ", i + 20);
+ values[0] = State.regs[OP[0]];
+ num_values = 1;
break;
-
- case OP_PUSHPOP2:
- for (i = 0; i < 16; i++)
- if (OP[3] & (1 << type2_regs[i]))
- sprintf (strchr (buf, 0), "r%d ", i + 16);
- if (OP[3] & (1 << 19))
- strcat (buf, "F/EIPC, F/EIPSW " );
- break;
-
- case OP_PUSHPOP3:
- for (i = 0; i < 15; i++)
- if (OP[3] & (1 << type3_regs[i]))
- sprintf (strchr (buf, 0), "r%d ", i + 1);
- if (OP[3] & (1 << 3))
- strcat (buf, "PSW " );
- if (OP[3] & (1 << 19))
- strcat (buf, "F/EIPC, F/EIPSW " );
- break;
-
- case OP_BIT_CHANGE:
- sprintf (buf, "r%ld, [r%ld]", OP[1], OP[0] );
- break;
- }
-#endif
-
- if (!TRACE_ALU_P (STATE_CPU (simulator, 0)))
- {
- trace_printf (simulator, STATE_CPU (simulator, 0),
- "%s\n", buf);
- }
- else
- {
-#if 0
- trace_printf (simulator, STATE_CPU (simulator, 0),
- "%-*s", SIZE_OPERANDS, buf);
-#endif
- switch (type)
- {
- default:
- case OP_UNKNOWN:
- case OP_NONE:
- case OP_TRAP:
- num_values = 0;
- break;
-
- case OP_REG:
- case OP_REG_REG_MOVE:
- values[0] = State.regs[OP[0]];
- num_values = 1;
- break;
-
- case OP_BIT_CHANGE:
- case OP_REG_REG:
- case OP_REG_REG_CMP:
- values[0] = State.regs[OP[1]];
- values[1] = State.regs[OP[0]];
- num_values = 2;
- break;
-
- case OP_IMM_REG:
- case OP_IMM_REG_CMP:
- values[0] = SEXT5 (OP[0]);
- values[1] = OP[1];
- num_values = 2;
- break;
-
- case OP_IMM_REG_MOVE:
- values[0] = SEXT5 (OP[0]);
- num_values = 1;
- break;
-
- case OP_COND_BR:
- values[0] = State.pc;
- values[1] = SEXT9 (OP[0]);
- values[2] = PSW;
- num_values = 3;
- break;
-
- case OP_LOAD16:
- values[0] = OP[1] * size;
- values[1] = State.regs[30];
- num_values = 2;
- break;
-
- case OP_STORE16:
- values[0] = State.regs[OP[0]];
- values[1] = OP[1] * size;
- values[2] = State.regs[30];
- num_values = 3;
- break;
-
- case OP_LOAD32:
- values[0] = EXTEND16 (OP[2]);
- values[1] = State.regs[OP[0]];
- num_values = 2;
- break;
-
- case OP_STORE32:
- values[0] = State.regs[OP[1]];
- values[1] = EXTEND16 (OP[2]);
- values[2] = State.regs[OP[0]];
- num_values = 3;
- break;
-
- case OP_JUMP:
- values[0] = SEXT22 (OP[0]);
- values[1] = State.pc;
- num_values = 2;
- break;
-
- case OP_IMM_REG_REG:
- values[0] = EXTEND16 (OP[0]) << size;
- values[1] = State.regs[OP[1]];
- num_values = 2;
- break;
-
- case OP_UIMM_REG_REG:
- values[0] = (OP[0] & 0xffff) << size;
- values[1] = State.regs[OP[1]];
- num_values = 2;
- break;
-
- case OP_BIT:
- num_values = 0;
- break;
-
- case OP_EX1:
- values[0] = PSW;
- num_values = 1;
- break;
-
- case OP_EX2:
- num_values = 0;
- break;
-
- case OP_LDSR:
- values[0] = State.regs[OP[0]];
- num_values = 1;
- break;
-
- case OP_STSR:
- values[0] = State.sregs[OP[1]];
- num_values = 1;
- }
-
- for (i = 0; i < num_values; i++)
- trace_printf (simulator, STATE_CPU (simulator, 0),
- "%*s0x%.8lx", SIZE_VALUES - 10, "", values[i]);
-
- while (i++ < 3)
- trace_printf (simulator, STATE_CPU (simulator, 0),
- "%*s", SIZE_VALUES, "");
+
+ case OP_STSR:
+ values[0] = State.sregs[OP[1]];
+ num_values = 1;
}
+
+ for (i = 0; i < num_values; i++)
+ trace_printf (simulator, STATE_CPU (simulator, 0),
+ "%*s0x%.8lx", SIZE_VALUES - 10, "", values[i]);
+
+ while (i++ < 3)
+ trace_printf (simulator, STATE_CPU (simulator, 0),
+ "%*s", SIZE_VALUES, "");
}
-static void
+void
trace_output (result)
enum op_types result;
{
@@ -495,12 +313,6 @@ trace_output (result)
}
}
-#else
-#define trace_input(NAME, IN1, IN2)
-#define trace_output(RESULT)
-
-/* #define trace_input(NAME, IN1, IN2) fprintf (stderr, NAME "\n" ); */
-
#endif
@@ -532,6 +344,7 @@ condition_met (unsigned code)
return 1;
}
+/* start-sanitize-v850e */
static unsigned long
Add32 (unsigned long a1, unsigned long a2, int * carry)
@@ -605,6 +418,7 @@ Multiply64 (boolean sign, unsigned long op0)
return;
}
+/* end-sanitize-v850e */
/* Read a null terminated string from memory, return in a buffer */
static char *
@@ -982,49 +796,6 @@ OP_58F ()
return branch (15);
}
-/* jmp [reg1] */
-/* sld.bu disp4[ep], reg2 */
-int
-OP_60 ()
-{
- if (OP[1] == 0)
- {
- trace_input ("jmp", OP_REG, 0);
-
- PC = State.regs[ OP[0] ];
-
- trace_output (OP_REG);
-
- return 0; /* Add nothing to the PC, we have already done it. */
- }
-/* start-sanitize-v850e */
- else
- {
- unsigned long result;
-
- result = load_mem (State.regs[30] + (OP[3] & 0xf), 1);
-
-/* start-sanitize-v850eq */
-#ifdef ARCH_v850eq
- trace_input ("sld.b", OP_LOAD16, 1);
-
- State.regs[ OP[1] ] = EXTEND8 (result);
-#else
-/* end-sanitize-v850eq */
- trace_input ("sld.bu", OP_LOAD16, 1);
-
- State.regs[ OP[1] ] = result;
-/* start-sanitize-v850eq */
-#endif
-/* end-sanitize-v850eq */
-
- trace_output (OP_LOAD16);
-
- return 2;
- }
-/* end-sanitize-v850e */
-}
-
/* jarl/jr disp22, reg */
int
OP_780 ()
@@ -2579,6 +2350,7 @@ OP_4007E0 ()
return 4;
}
+/* start-sanitize-v850e */
/* tst1 reg2, [reg1] */
int
OP_E607E0 (void)
@@ -2598,6 +2370,8 @@ OP_E607E0 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* mulu reg1, reg2, reg3 */
int
OP_22207E0 (void)
@@ -2611,6 +2385,7 @@ OP_22207E0 (void)
return 4;
}
+/* end-sanitize-v850e */
/* start-sanitize-v850e */
#define BIT_CHANGE_OP( name, binop ) \
@@ -2667,7 +2442,6 @@ OP_20007E0 (void)
return 4;
}
/* end-sanitize-v850e */
-
/* start-sanitize-v850eq */
/* This function is courtesy of Sugimoto at NEC, via Seow Tan (Soew_Tan@el.nec.com) */
static void
@@ -2982,8 +2756,8 @@ OP_18007E0 (void)
return 4;
}
-/* end-sanitize-v850eq */
+/* end-sanitize-v850eq */
/* start-sanitize-v850e */
/* divu reg1, reg2, reg3 */
int
@@ -3054,6 +2828,8 @@ OP_2C207E0 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* div reg1, reg2, reg3 */
int
OP_2C007E0 (void)
@@ -3123,6 +2899,8 @@ OP_2C007E0 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* divhu reg1, reg2, reg3 */
int
OP_28207E0 (void)
@@ -3192,6 +2970,8 @@ OP_28207E0 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* divh reg1, reg2, reg3 */
int
OP_28007E0 (void)
@@ -3261,6 +3041,8 @@ OP_28007E0 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* mulu imm9, reg2, reg3 */
int
OP_24207E0 (void)
@@ -3274,6 +3056,8 @@ OP_24207E0 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* mul imm9, reg2, reg3 */
int
OP_24007E0 (void)
@@ -3287,6 +3071,8 @@ OP_24007E0 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* cmov imm5, reg2, reg3 */
int
OP_30007E0 (void)
@@ -3301,6 +3087,8 @@ OP_30007E0 (void)
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* ctret */
int
OP_14407E0 (void)
@@ -3315,6 +3103,8 @@ OP_14407E0 (void)
return 0;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* hsw */
int
OP_34407E0 (void)
@@ -3340,6 +3130,8 @@ OP_34407E0 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
#define WORDHASNULLBYTE(x) (((x) - 0x01010101) & ~(x)&0x80808080)
/* bsw */
@@ -3369,6 +3161,8 @@ OP_34007E0 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* bsh */
int
OP_34207E0 (void)
@@ -3395,6 +3189,8 @@ OP_34207E0 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* pushml list18 */
/* ld.hu */
int
@@ -3456,6 +3252,8 @@ OP_107E0 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* prepare list12, imm5 */
/* ld.bu */
int
@@ -3596,6 +3394,8 @@ OP_30780 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* sld.hu */
int
OP_70 (void)
@@ -3623,6 +3423,8 @@ OP_70 (void)
return 2;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* cmov reg1, reg2, reg3 */
int
OP_32007E0 (void)
@@ -3636,6 +3438,8 @@ OP_32007E0 (void)
return 4;
}
+/* end-sanitize-v850e */
+/* start-sanitize-v850e */
/* mul reg1, reg2, reg3 */
int
OP_22007E0 (void)