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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /sim/tic80/misc.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
Diffstat (limited to 'sim/tic80/misc.c')
-rw-r--r--sim/tic80/misc.c624
1 files changed, 0 insertions, 624 deletions
diff --git a/sim/tic80/misc.c b/sim/tic80/misc.c
deleted file mode 100644
index fc7fbec..0000000
--- a/sim/tic80/misc.c
+++ /dev/null
@@ -1,624 +0,0 @@
-/* TIc80 Simulator.
- Copyright (C) 1997, 1998 Free Software Foundation, Inc.
- Contributed by Cygnus Support.
-
-This file is part of GDB, the GNU debugger.
-
-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 2, 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, write to the Free Software Foundation, Inc.,
-59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-
-#include "sim-main.h"
-
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
-
-
-tic80_control_regs
-tic80_index2cr (int index)
-{
- switch (index)
- {
- case 0x0000: return EPC_CR;
- case 0x0001: return EIP_CR;
- case 0x0002: return CONFIG_CR;
- case 0x0004: return INTPEN_CR;
- case 0x0006: return IE_CR;
- case 0x0008: return FPST_CR;
- case 0x000A: return PPERROR_CR;
- case 0x000D: return PKTREQ_CR;
- case 0x000E: return TCOUNT_CR;
- case 0x000F: return TSCALE_CR;
- case 0x0010: return FLTOP_CR;
- case 0x0011: return FLTADR_CR;
- case 0x0012: return FLTTAG_CR;
- case 0x0013: return FLTDLT_CR;
- case 0x0014: return FLTDTH_CR;
- case 0x0015: return FLT005_CR;
- case 0x0016: return FLT006_CR;
- case 0x0017: return FLT007_CR;
- case 0x0018: return FLT008_CR;
- case 0x0019: return FLT009_CR;
- case 0x001a: return FLT010_CR;
- case 0x001b: return FLT011_CR;
- case 0x001c: return FLT012_CR;
- case 0x001d: return FLT013_CR;
- case 0x001e: return FLT014_CR;
- case 0x001f: return FLT015_CR;
- case 0x0020: return SYSSTK_CR;
- case 0x0021: return SYSTMP_CR;
- case 0x0030: return MPC_CR;
- case 0x0031: return MIP_CR;
- case 0x0033: return ECOMCNTL_CR;
- case 0x0034: return ANASTAT_CR;
- case 0x0039: return BRK1_CR;
- case 0x003A: return BRK2_CR;
- case 0x0200: return ITAG0_CR;
- case 0x0201: return ITAG1_CR;
- case 0x0202: return ITAG2_CR;
- case 0x0203: return ITAG3_CR;
- case 0x0204: return ITAG4_CR;
- case 0x0205: return ITAG5_CR;
- case 0x0206: return ITAG6_CR;
- case 0x0207: return ITAG7_CR;
- case 0x0208: return ITAG8_CR;
- case 0x0209: return ITAG9_CR;
- case 0x020a: return ITAG10_CR;
- case 0x020b: return ITAG11_CR;
- case 0x020c: return ITAG12_CR;
- case 0x020d: return ITAG13_CR;
- case 0x020e: return ITAG14_CR;
- case 0x020f: return ITAG15_CR;
- case 0x0300: return ILRU_CR;
- case 0x0400: return DTAG0_CR;
- case 0x0401: return DTAG1_CR;
- case 0x0402: return DTAG2_CR;
- case 0x0403: return DTAG3_CR;
- case 0x0404: return DTAG4_CR;
- case 0x0405: return DTAG5_CR;
- case 0x0406: return DTAG6_CR;
- case 0x0407: return DTAG7_CR;
- case 0x0408: return DTAG8_CR;
- case 0x0409: return DTAG9_CR;
- case 0x040a: return DTAG10_CR;
- case 0x040b: return DTAG11_CR;
- case 0x040c: return DTAG12_CR;
- case 0x040d: return DTAG13_CR;
- case 0x040e: return DTAG14_CR;
- case 0x040f: return DTAG15_CR;
- case 0x0500: return DLRU_CR;
- case 0x4000: return IN0P_CR;
- case 0x4001: return IN1P_CR;
- case 0x4002: return OUTP_CR;
- default: return SCRATCH_CR;
- }
-}
-
-
-
-#if defined(WITH_TRACE)
-/* Tracing support routines */
-
-static char tic80_trace_buffer[1024];
-static int tic80_size_name;
-
-#define SIZE_HEX 8
-#define SIZE_DECIMAL 11
-
-/* Initialize tracing by calculating the maximum name size */
-static void
-tic80_init_trace (void)
-{
- int i;
- int len, max_len = 0;
-
- for (i = 0; i < (int)nr_itable_entries; i++) {
- len = strlen (itable[i].name);
- if (len > max_len)
- max_len = len;
- }
-
- tic80_size_name = max_len + sizeof(":m") - 1 + sizeof (":s") - 1;
-}
-
-/* Given an integer which is the result of a comparison, return a string
- giving which bits are set. */
-
-static char *
-tic80_trace_cmp_internal (unsigned32 flag)
-{
- struct cmp_bits { unsigned32 bit; char *string; };
- static char buffer[32*8];
- static struct cmp_bits bits[] =
- {
- { BIT32(29), "hs" },
- { BIT32(28), "lo" },
- { BIT32(27), "ls" },
- { BIT32(26), "hi" },
- { BIT32(25), "ge" },
- { BIT32(24), "lt" },
- { BIT32(23), "le" },
- { BIT32(22), "gt" },
- { BIT32(21), "ne" },
- { BIT32(20), "eq" },
-
- { BIT32(19), "hs.h" },
- { BIT32(18), "lo.h" },
- { BIT32(17), "ls.h" },
- { BIT32(16), "hi.h" },
- { BIT32(15), "ge.h" },
- { BIT32(14), "lt.h" },
- { BIT32(13), "le.h" },
- { BIT32(12), "gt.h" },
- { BIT32(11), "ne.h" },
- { BIT32(10), "eq.h" },
-
- { BIT32( 9), "hs.b" },
- { BIT32( 8), "lo.b" },
- { BIT32( 7), "ls.b" },
- { BIT32( 6), "hi.b" },
- { BIT32( 5), "ge.b" },
- { BIT32( 4), "lt.b" },
- { BIT32( 3), "le.b" },
- { BIT32( 2), "gt.b" },
- { BIT32( 1), "ne.b" },
- { BIT32( 0), "eq.b" },
- { 0, (char *)0 },
- };
-
- int i;
- char *p = buffer;
-
- for (i = 0; bits[i].bit != 0; i++)
- {
- if ((flag & bits[i].bit) != 0)
- {
- if (p != buffer)
- *p++ = ' ';
-
- strcpy (p, bits[i].string);
- p += strlen (p);
- }
- }
-
- *p = '\0';
- return buffer;
-}
-
-/* Trace the result of an ALU operation with 2 integer inputs and an integer output */
-char *
-tic80_trace_alu3 (int indx,
- unsigned32 result,
- unsigned32 input1,
- unsigned32 input2)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- sprintf (tic80_trace_buffer, "%-*s 0x%.*lx/%*ld 0x%.*lx/%*ld => 0x%.*lx/%*ld",
- tic80_size_name, itable[indx].name,
- SIZE_HEX, input1, SIZE_DECIMAL, (long)(signed32)input1,
- SIZE_HEX, input2, SIZE_DECIMAL, (long)(signed32)input2,
- SIZE_HEX, result, SIZE_DECIMAL, (long)(signed32)result);
-
- return tic80_trace_buffer;
-}
-
-/* Trace the result of an ALU operation with 2 integer inputs and an integer output
- that sets the bits from a compare instruction. */
-char *
-tic80_trace_cmp (int indx,
- unsigned32 result,
- unsigned32 input1,
- unsigned32 input2)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- sprintf (tic80_trace_buffer, "%-*s 0x%.*lx/%*ld 0x%.*lx/%*ld => 0x%.*lx %s",
- tic80_size_name, itable[indx].name,
- SIZE_HEX, input1, SIZE_DECIMAL, (long)(signed32)input1,
- SIZE_HEX, input2, SIZE_DECIMAL, (long)(signed32)input2,
- SIZE_HEX, result, tic80_trace_cmp_internal (result));
-
- return tic80_trace_buffer;
-}
-
-/* Trace the result of an ALU operation with 1 integer input and an integer output */
-char *
-tic80_trace_alu2 (int indx,
- unsigned32 result,
- unsigned32 input)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- sprintf (tic80_trace_buffer, "%-*s 0x%.*lx/%*ld %*s => 0x%.*lx/%*ld",
- tic80_size_name, itable[indx].name,
- SIZE_HEX, input, SIZE_DECIMAL, (long)(signed32)input,
- SIZE_HEX + SIZE_DECIMAL + 3, "",
- SIZE_HEX, result, SIZE_DECIMAL, (long)(signed32)result);
-
- return tic80_trace_buffer;
-}
-
-/* Trace the result of a shift instruction */
-char *
-tic80_trace_shift (int indx,
- unsigned32 result,
- unsigned32 input,
- int i,
- int n,
- int merge,
- int endmask,
- int rotate)
-{
- const char *merge_name;
- char name[40];
- char *p;
-
- if (!tic80_size_name)
- tic80_init_trace ();
-
- switch (merge)
- {
- default: merge_name = ".??"; break;
- case 0: merge_name = ".dz"; break;
- case 1: merge_name = ".dm"; break;
- case 2: merge_name = ".ds"; break;
- case 3: merge_name = ".ez"; break;
- case 4: merge_name = ".em"; break;
- case 5: merge_name = ".es"; break;
- case 6: merge_name = ".iz"; break;
- case 7: merge_name = ".im"; break;
- }
-
- /* Don't use itable[indx].name, which is just sl {r,i}. Instead reconstruct
- the name, using the i and n fields. */
- p = strchr (itable[indx].name, ' ');
- sprintf (name, "s%s%s%s%s",
- (n) ? "r" : "l",
- (i) ? "i" : "",
- merge_name,
- (p) ? p : "");
-
- sprintf (tic80_trace_buffer, "%-*s 0x%.*lx/%*ld %*s%2d,%2d => 0x%.*lx/%*ld",
- tic80_size_name, name,
- SIZE_HEX, input, SIZE_DECIMAL, (long)(signed32)input,
- SIZE_HEX + SIZE_DECIMAL - 2, "",
- rotate, endmask,
- SIZE_HEX, result, SIZE_DECIMAL, (long)(signed32)result);
-
- return tic80_trace_buffer;
-}
-
-/* Trace the result of an FPU operation with 2 floating point inputs and a floating point output */
-void
-tic80_trace_fpu3 (SIM_DESC sd,
- sim_cpu *cpu,
- sim_cia cia,
- int indx,
- sim_fpu *result,
- sim_fpu *input1,
- sim_fpu *input2)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- trace_one_insn (sd, cpu, cia.ip, 1,
- itable[indx].file, itable[indx].line_nr, "fpu",
- "%-*s %*g %*g => %*g",
- tic80_size_name, itable[indx].name,
- SIZE_HEX + SIZE_DECIMAL + 3, sim_fpu_2d (input1),
- SIZE_HEX + SIZE_DECIMAL + 3, sim_fpu_2d (input2),
- SIZE_HEX + SIZE_DECIMAL + 3, sim_fpu_2d (result));
-}
-
-/* Trace the result of an FPU operation with 1 floating point input and a floating point output */
-void
-tic80_trace_fpu2 (SIM_DESC sd,
- sim_cpu *cpu,
- sim_cia cia,
- int indx,
- sim_fpu *result,
- sim_fpu *input)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- trace_one_insn (sd, cpu, cia.ip, 1,
- itable[indx].file, itable[indx].line_nr, "fpu",
- "%-*s %*g %-*s => %*g",
- tic80_size_name, itable[indx].name,
- SIZE_HEX + SIZE_DECIMAL + 3, sim_fpu_2d (input),
- SIZE_HEX + SIZE_DECIMAL + 3, "",
- SIZE_HEX + SIZE_DECIMAL, sim_fpu_2d (result));
-}
-
-/* Trace the result of an FPU operation with 1 floating point input and a floating point output */
-void
-tic80_trace_fpu1 (SIM_DESC sd,
- sim_cpu *cpu,
- sim_cia cia,
- int indx,
- sim_fpu *result)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- trace_one_insn (sd, cpu, cia.ip, 1,
- itable[indx].file, itable[indx].line_nr, "fpu",
- "%-*s %-*s %-*s => %*g",
- tic80_size_name, itable[indx].name,
- SIZE_HEX + SIZE_DECIMAL + 3, "",
- SIZE_HEX + SIZE_DECIMAL + 3, "",
- SIZE_HEX + SIZE_DECIMAL, sim_fpu_2d (result));
-}
-
-/* Trace the result of an FPU operation with 2 floating point inputs and an integer output */
-void
-tic80_trace_fpu2i (SIM_DESC sd,
- sim_cpu *cpu,
- sim_cia cia,
- int indx,
- unsigned32 result,
- sim_fpu *input1,
- sim_fpu *input2)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- trace_one_insn (sd, cpu, cia.ip, 1,
- itable[indx].file, itable[indx].line_nr, "fpu",
- "%-*s %*g %*g => 0x%.*lx %-*ld",
- tic80_size_name, itable[indx].name,
- SIZE_HEX + SIZE_DECIMAL + 3, sim_fpu_2d (input1),
- SIZE_HEX + SIZE_DECIMAL + 3, sim_fpu_2d (input2),
- SIZE_HEX, result, SIZE_DECIMAL, (long)(signed32)result);
-}
-
-/* Trace the result of an FPU operation with 2 floating point inputs and an integer output
- that is the result of a comparison. */
-void
-tic80_trace_fpu2cmp (SIM_DESC sd,
- sim_cpu *cpu,
- sim_cia cia,
- int indx,
- unsigned32 result,
- sim_fpu *input1,
- sim_fpu *input2)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- trace_one_insn (sd, cpu, cia.ip, 1,
- itable[indx].file, itable[indx].line_nr, "fpu",
- "%-*s %*g %*g => 0x%.*lx %s",
- tic80_size_name, itable[indx].name,
- SIZE_HEX + SIZE_DECIMAL + 3, sim_fpu_2d (input1),
- SIZE_HEX + SIZE_DECIMAL + 3, sim_fpu_2d (input2),
- SIZE_HEX, result, tic80_trace_cmp_internal (result));
-}
-
-/* Trace the result of a NOP operation */
-char *
-tic80_trace_nop (int indx)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- sprintf (tic80_trace_buffer, "%s", itable[indx].name);
- return tic80_trace_buffer;
-}
-
-/* Trace the result of a data sink with one input */
-char *
-tic80_trace_sink1 (int indx, unsigned32 input)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- sprintf (tic80_trace_buffer, "%-*s 0x%.*lx/%*ld",
- tic80_size_name, itable[indx].name,
- SIZE_HEX, input, SIZE_DECIMAL, (long)(signed32)input);
-
- return tic80_trace_buffer;
-}
-
-/* Trace the result of a data sink with two inputs */
-char *
-tic80_trace_sink2 (int indx, unsigned32 input1, unsigned32 input2)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- sprintf (tic80_trace_buffer, "%-*s 0x%.*lx/%*ld 0x%.*lx/%*ld",
- tic80_size_name, itable[indx].name,
- SIZE_HEX, input1, SIZE_DECIMAL, (long)(signed32)input1,
- SIZE_HEX, input2, SIZE_DECIMAL, (long)(signed32)input2);
-
- return tic80_trace_buffer;
-}
-
-/* Trace the result of a data sink with three inputs */
-char *
-tic80_trace_sink3 (int indx, unsigned32 input1, unsigned32 input2, unsigned32 input3)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- sprintf (tic80_trace_buffer, "%-*s 0x%.*lx/%*ld 0x%.*lx/%*ld 0x%.*lx/%*ld",
- tic80_size_name, itable[indx].name,
- SIZE_HEX, input1, SIZE_DECIMAL, (long)(signed32)input1,
- SIZE_HEX, input2, SIZE_DECIMAL, (long)(signed32)input2,
- SIZE_HEX, input3, SIZE_DECIMAL, (long)(signed32)input3);
-
- return tic80_trace_buffer;
-}
-
-/* Trace the result of a conditional branch operation */
-char *
-tic80_trace_cond_br (int indx,
- int jump_p,
- unsigned32 cond,
- unsigned32 target,
- int size,
- int code)
-{
- char *suffix1, *suffix2;
-
- if (!tic80_size_name)
- tic80_init_trace ();
-
- if (size >= 0 && code >= 0)
- { /* BCND */
- switch (code)
- {
- default: suffix1 = "???"; break;
- case 0: suffix1 = "nev"; break;
- case 1: suffix1 = "gt0"; break;
- case 2: suffix1 = "eq0"; break;
- case 3: suffix1 = "ge0"; break;
- case 4: suffix1 = "lt0"; break;
- case 5: suffix1 = "ne0"; break;
- case 6: suffix1 = "le0"; break;
- case 7: suffix1 = "alw"; break;
- }
-
- switch (size)
- {
- default: suffix2 = ".?"; break;
- case 0: suffix2 = ".b"; break;
- case 1: suffix2 = ".h"; break;
- case 2: suffix2 = ".w"; break;
- }
-
- } else { /* BBO/BBZ */
-
- suffix2 = "";
- switch (cond)
- {
- default: suffix1 = "??.?"; break;
- case 29: suffix1 = "hs.w"; break;
- case 28: suffix1 = "lo.w"; break;
- case 27: suffix1 = "ls.w"; break;
- case 26: suffix1 = "hi.w"; break;
- case 25: suffix1 = "ge.w"; break;
- case 24: suffix1 = "lt.w"; break;
- case 23: suffix1 = "le.w"; break;
- case 22: suffix1 = "gt.w"; break;
- case 21: suffix1 = "ne.w"; break;
- case 20: suffix1 = "eq.w"; break;
- case 19: suffix1 = "hs.h"; break;
- case 18: suffix1 = "lo.h"; break;
- case 17: suffix1 = "ls.h"; break;
- case 16: suffix1 = "hi.h"; break;
- case 15: suffix1 = "ge.h"; break;
- case 14: suffix1 = "lt.h"; break;
- case 13: suffix1 = "le.h"; break;
- case 12: suffix1 = "gt.h"; break;
- case 11: suffix1 = "ne.h"; break;
- case 10: suffix1 = "eq.h"; break;
- case 9: suffix1 = "hs.b"; break;
- case 8: suffix1 = "lo.b"; break;
- case 7: suffix1 = "ls.b"; break;
- case 6: suffix1 = "hi.b"; break;
- case 5: suffix1 = "ge.b"; break;
- case 4: suffix1 = "lt.b"; break;
- case 3: suffix1 = "le.b"; break;
- case 2: suffix1 = "gt.b"; break;
- case 1: suffix1 = "ne.b"; break;
- case 0: suffix1 = "eq.b"; break;
- }
- }
-
- if (jump_p)
- sprintf (tic80_trace_buffer,
- "%-*s 0x%.*lx %*s 0x%.*lx/%*ld => 0x%.*lx %s%s",
- tic80_size_name, itable[indx].name,
- SIZE_HEX, target, SIZE_DECIMAL, "",
- SIZE_HEX, cond, SIZE_DECIMAL, (long)(signed32)cond,
- SIZE_HEX, target,
- suffix1, suffix2);
- else
- sprintf (tic80_trace_buffer,
- "%-*s 0x%.*lx %*s 0x%.*lx/%*ld => %-*s %s%s",
- tic80_size_name, itable[indx].name,
- SIZE_HEX, target, SIZE_DECIMAL, "",
- SIZE_HEX, cond, SIZE_DECIMAL, (long)(signed32)cond,
- SIZE_HEX + 2, "[no jump]",
- suffix1, suffix2);
-
- return tic80_trace_buffer;
-}
-
-/* Trace the result of a unconditional branch operation */
-char *
-tic80_trace_ucond_br (int indx,
- unsigned32 target)
-{
- if (!tic80_size_name)
- tic80_init_trace ();
-
- sprintf (tic80_trace_buffer,
- "%-*s 0x%.*lx %*s => 0x%.*lx",
- tic80_size_name, itable[indx].name,
- SIZE_HEX, target, (SIZE_DECIMAL*2) + SIZE_HEX + 4, "",
- SIZE_HEX, target);
-
- return tic80_trace_buffer;
-}
-
-/* Trace the result of a load or store operation with 2 integer addresses
- and an integer output or input */
-void
-tic80_trace_ldst (SIM_DESC sd,
- sim_cpu *cpu,
- sim_cia cia,
- int indx,
- int st_p,
- int m_p,
- int s_p,
- unsigned32 value,
- unsigned32 input1,
- unsigned32 input2)
-{
- char name[40];
-
- if (!tic80_size_name)
- tic80_init_trace ();
-
- strcpy (name, itable[indx].name);
- if (m_p)
- strcat (name, ":m");
-
- if (s_p)
- strcat (name, ":s");
-
- trace_one_insn (sd, cpu, cia.ip, 1,
- itable[indx].file, itable[indx].line_nr, "memory",
- "%-*s 0x%.*lx/%*ld 0x%.*lx/%*ld %s 0x%.*lx/%*ld",
- tic80_size_name, name,
- SIZE_HEX, input1, SIZE_DECIMAL, (long)(signed32)input1,
- SIZE_HEX, input2, SIZE_DECIMAL, (long)(signed32)input2,
- (!st_p) ? "=>" : "<=",
- SIZE_HEX, value, SIZE_DECIMAL, (long)(signed32)value);
-}
-
-#endif /* WITH_TRACE */