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-rw-r--r--sim/erc32/func.c1139
1 files changed, 0 insertions, 1139 deletions
diff --git a/sim/erc32/func.c b/sim/erc32/func.c
deleted file mode 100644
index d2427b7..0000000
--- a/sim/erc32/func.c
+++ /dev/null
@@ -1,1139 +0,0 @@
-/*
- * func.c, misc simulator functions. This file is part of SIS.
- *
- * SIS, SPARC instruction simulator V1.8 Copyright (C) 1995 Jiri Gaisler,
- * European Space Agency
- *
- * 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 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, write to the Free Software Foundation, Inc., 675
- * Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <signal.h>
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include "sis.h"
-#include "end.h"
-#include <dis-asm.h>
-#include "sim-config.h"
-
-
-#define VAL(x) strtoul(x,(char **)NULL,0)
-
-extern int current_target_byte_order;
-struct disassemble_info dinfo;
-struct pstate sregs;
-extern struct estate ebase;
-int ctrl_c = 0;
-int sis_verbose = 0;
-char *sis_version = "2.7.5";
-int nfp = 0;
-int ift = 0;
-int wrp = 0;
-int rom8 = 0;
-int uben = 0;
-int termsave;
-int sparclite = 0; /* emulating SPARClite instructions? */
-int sparclite_board = 0; /* emulating SPARClite board RAM? */
-char uart_dev1[128] = "";
-char uart_dev2[128] = "";
-extern int ext_irl;
-uint32 last_load_addr = 0;
-
-#ifdef ERRINJ
-uint32 errcnt = 0;
-uint32 errper = 0;
-uint32 errtt = 0;
-uint32 errftt = 0;
-uint32 errmec = 0;
-#endif
-
-/* Forward declarations */
-
-static int batch PARAMS ((struct pstate *sregs, char *fname));
-static void set_rega PARAMS ((struct pstate *sregs, char *reg, uint32 rval));
-static void disp_reg PARAMS ((struct pstate *sregs, char *reg));
-static uint32 limcalc PARAMS ((float32 freq));
-static void int_handler PARAMS ((int32 sig));
-static void init_event PARAMS ((void));
-static int disp_fpu PARAMS ((struct pstate *sregs));
-static void disp_regs PARAMS ((struct pstate *sregs, int cwp));
-static void disp_ctrl PARAMS ((struct pstate *sregs));
-static void disp_mem PARAMS ((uint32 addr, uint32 len));
-
-static int
-batch(sregs, fname)
- struct pstate *sregs;
- char *fname;
-{
- FILE *fp;
- char lbuf[1024];
-
- if ((fp = fopen(fname, "r")) == NULL) {
- fprintf(stderr, "couldn't open batch file %s\n", fname);
- return (0);
- }
- while (!feof(fp)) {
- lbuf[0] = 0;
- fgets(lbuf, 1023, fp);
- if ((strlen(lbuf) > 0) && (lbuf[strlen(lbuf) - 1] == '\n'))
- lbuf[strlen(lbuf) - 1] = 0;
- printf("sis> %s\n", lbuf);
- exec_cmd(sregs, lbuf);
- }
- fclose(fp);
- return (1);
-}
-
-void
-set_regi(sregs, reg, rval)
- struct pstate *sregs;
- int32 reg;
- uint32 rval;
-{
- uint32 cwp;
-
- cwp = ((sregs->psr & 0x7) << 4);
- if ((reg > 0) && (reg < 8)) {
- sregs->g[reg] = rval;
- } else if ((reg >= 8) && (reg < 32)) {
- sregs->r[(cwp + reg) & 0x7f] = rval;
- } else if ((reg >= 32) && (reg < 64)) {
- sregs->fsi[reg - 32] = rval;
- } else {
- switch (reg) {
- case 64:
- sregs->y = rval;
- break;
- case 65:
- sregs->psr = rval;
- break;
- case 66:
- sregs->wim = rval;
- break;
- case 67:
- sregs->tbr = rval;
- break;
- case 68:
- sregs->pc = rval;
- break;
- case 69:
- sregs->npc = rval;
- break;
- case 70:
- sregs->fsr = rval;
- set_fsr(rval);
- break;
- default:break;
- }
- }
-}
-
-void
-get_regi(struct pstate * sregs, int32 reg, char *buf)
-{
- uint32 cwp;
- uint32 rval = 0;
-
- cwp = ((sregs->psr & 0x7) << 4);
- if ((reg >= 0) && (reg < 8)) {
- rval = sregs->g[reg];
- } else if ((reg >= 8) && (reg < 32)) {
- rval = sregs->r[(cwp + reg) & 0x7f];
- } else if ((reg >= 32) && (reg < 64)) {
- rval = sregs->fsi[reg - 32];
- } else {
- switch (reg) {
- case 64:
- rval = sregs->y;
- break;
- case 65:
- rval = sregs->psr;
- break;
- case 66:
- rval = sregs->wim;
- break;
- case 67:
- rval = sregs->tbr;
- break;
- case 68:
- rval = sregs->pc;
- break;
- case 69:
- rval = sregs->npc;
- break;
- case 70:
- rval = sregs->fsr;
- break;
- default:break;
- }
- }
- if (current_target_byte_order == BIG_ENDIAN) {
- buf[0] = (rval >> 24) & 0x0ff;
- buf[1] = (rval >> 16) & 0x0ff;
- buf[2] = (rval >> 8) & 0x0ff;
- buf[3] = rval & 0x0ff;
- }
- else {
- buf[3] = (rval >> 24) & 0x0ff;
- buf[2] = (rval >> 16) & 0x0ff;
- buf[1] = (rval >> 8) & 0x0ff;
- buf[0] = rval & 0x0ff;
- }
-}
-
-
-static void
-set_rega(sregs, reg, rval)
- struct pstate *sregs;
- char *reg;
- uint32 rval;
-{
- uint32 cwp;
- int32 err = 0;
-
- cwp = ((sregs->psr & 0x7) << 4);
- if (strcmp(reg, "psr") == 0)
- sregs->psr = (rval = (rval & 0x00f03fff));
- else if (strcmp(reg, "tbr") == 0)
- sregs->tbr = (rval = (rval & 0xfffffff0));
- else if (strcmp(reg, "wim") == 0)
- sregs->wim = (rval = (rval & 0x0ff));
- else if (strcmp(reg, "y") == 0)
- sregs->y = rval;
- else if (strcmp(reg, "pc") == 0)
- sregs->pc = rval;
- else if (strcmp(reg, "npc") == 0)
- sregs->npc = rval;
- else if (strcmp(reg, "fsr") == 0) {
- sregs->fsr = rval;
- set_fsr(rval);
- } else if (strcmp(reg, "g0") == 0)
- err = 2;
- else if (strcmp(reg, "g1") == 0)
- sregs->g[1] = rval;
- else if (strcmp(reg, "g2") == 0)
- sregs->g[2] = rval;
- else if (strcmp(reg, "g3") == 0)
- sregs->g[3] = rval;
- else if (strcmp(reg, "g4") == 0)
- sregs->g[4] = rval;
- else if (strcmp(reg, "g5") == 0)
- sregs->g[5] = rval;
- else if (strcmp(reg, "g6") == 0)
- sregs->g[6] = rval;
- else if (strcmp(reg, "g7") == 0)
- sregs->g[7] = rval;
- else if (strcmp(reg, "o0") == 0)
- sregs->r[(cwp + 8) & 0x7f] = rval;
- else if (strcmp(reg, "o1") == 0)
- sregs->r[(cwp + 9) & 0x7f] = rval;
- else if (strcmp(reg, "o2") == 0)
- sregs->r[(cwp + 10) & 0x7f] = rval;
- else if (strcmp(reg, "o3") == 0)
- sregs->r[(cwp + 11) & 0x7f] = rval;
- else if (strcmp(reg, "o4") == 0)
- sregs->r[(cwp + 12) & 0x7f] = rval;
- else if (strcmp(reg, "o5") == 0)
- sregs->r[(cwp + 13) & 0x7f] = rval;
- else if (strcmp(reg, "o6") == 0)
- sregs->r[(cwp + 14) & 0x7f] = rval;
- else if (strcmp(reg, "o7") == 0)
- sregs->r[(cwp + 15) & 0x7f] = rval;
- else if (strcmp(reg, "l0") == 0)
- sregs->r[(cwp + 16) & 0x7f] = rval;
- else if (strcmp(reg, "l1") == 0)
- sregs->r[(cwp + 17) & 0x7f] = rval;
- else if (strcmp(reg, "l2") == 0)
- sregs->r[(cwp + 18) & 0x7f] = rval;
- else if (strcmp(reg, "l3") == 0)
- sregs->r[(cwp + 19) & 0x7f] = rval;
- else if (strcmp(reg, "l4") == 0)
- sregs->r[(cwp + 20) & 0x7f] = rval;
- else if (strcmp(reg, "l5") == 0)
- sregs->r[(cwp + 21) & 0x7f] = rval;
- else if (strcmp(reg, "l6") == 0)
- sregs->r[(cwp + 22) & 0x7f] = rval;
- else if (strcmp(reg, "l7") == 0)
- sregs->r[(cwp + 23) & 0x7f] = rval;
- else if (strcmp(reg, "i0") == 0)
- sregs->r[(cwp + 24) & 0x7f] = rval;
- else if (strcmp(reg, "i1") == 0)
- sregs->r[(cwp + 25) & 0x7f] = rval;
- else if (strcmp(reg, "i2") == 0)
- sregs->r[(cwp + 26) & 0x7f] = rval;
- else if (strcmp(reg, "i3") == 0)
- sregs->r[(cwp + 27) & 0x7f] = rval;
- else if (strcmp(reg, "i4") == 0)
- sregs->r[(cwp + 28) & 0x7f] = rval;
- else if (strcmp(reg, "i5") == 0)
- sregs->r[(cwp + 29) & 0x7f] = rval;
- else if (strcmp(reg, "i6") == 0)
- sregs->r[(cwp + 30) & 0x7f] = rval;
- else if (strcmp(reg, "i7") == 0)
- sregs->r[(cwp + 31) & 0x7f] = rval;
- else
- err = 1;
- switch (err) {
- case 0:
- printf("%s = %d (0x%08x)\n", reg, rval, rval);
- break;
- case 1:
- printf("no such regiser: %s\n", reg);
- break;
- case 2:
- printf("cannot set g0\n");
- break;
- default:
- break;
- }
-
-}
-
-static void
-disp_reg(sregs, reg)
- struct pstate *sregs;
- char *reg;
-{
- if (strncmp(reg, "w",1) == 0)
- disp_regs(sregs, VAL(&reg[1]));
-}
-
-#ifdef ERRINJ
-
-void
-errinj()
-{
- int err;
-
- switch (err = (random() % 12)) {
- case 0: errtt = 0x61; break;
- case 1: errtt = 0x62; break;
- case 2: errtt = 0x63; break;
- case 3: errtt = 0x64; break;
- case 4: errtt = 0x65; break;
- case 5:
- case 6:
- case 7: errftt = err;
- break;
- case 8: errmec = 1; break;
- case 9: errmec = 2; break;
- case 10: errmec = 5; break;
- case 11: errmec = 6; break;
- }
- errcnt++;
- if (errper) event(errinj, 0, (random()%errper));
-}
-
-void
-errinjstart()
-{
- if (errper) event(errinj, 0, (random()%errper));
-}
-
-#endif
-
-static uint32
-limcalc (freq)
- float32 freq;
-{
- uint32 unit, lim;
- double flim;
- char *cmd1, *cmd2;
-
- unit = 1;
- lim = -1;
- if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) {
- lim = VAL(cmd1);
- if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) {
- if (strcmp(cmd2,"us")==0) unit = 1;
- if (strcmp(cmd2,"ms")==0) unit = 1000;
- if (strcmp(cmd2,"s")==0) unit = 1000000;
- }
- flim = (double) lim * (double) unit * (double) freq +
- (double) ebase.simtime;
- if ((flim > ebase.simtime) && (flim < 4294967296.0)) {
- lim = (uint32) flim;
- } else {
- printf("error in expression\n");
- lim = -1;
- }
- }
- return (lim);
-}
-
-int
-exec_cmd(sregs, cmd)
- char *cmd;
- struct pstate *sregs;
-{
- char *cmd1, *cmd2;
- int32 stat;
- uint32 len, i, clen, j;
- static uint32 daddr = 0;
- char *cmdsave;
-
- stat = OK;
- cmdsave = strdup(cmd);
- if ((cmd1 = strtok(cmd, " \t")) != NULL) {
- clen = strlen(cmd1);
- if (strncmp(cmd1, "bp", clen) == 0) {
- for (i = 0; i < sregs->bptnum; i++) {
- printf(" %d : 0x%08x\n", i + 1, sregs->bpts[i]);
- }
- } else if (strncmp(cmd1, "+bp", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) {
- sregs->bpts[sregs->bptnum] = VAL(cmd1) & ~0x3;
- printf("added breakpoint %d at 0x%08x\n",
- sregs->bptnum + 1, sregs->bpts[sregs->bptnum]);
- sregs->bptnum += 1;
- }
- } else if (strncmp(cmd1, "-bp", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) {
- i = VAL(cmd1) - 1;
- if ((i >= 0) && (i < sregs->bptnum)) {
- printf("deleted breakpoint %d at 0x%08x\n", i + 1,
- sregs->bpts[i]);
- for (; i < sregs->bptnum - 1; i++) {
- sregs->bpts[i] = sregs->bpts[i + 1];
- }
- sregs->bptnum -= 1;
- }
- }
- } else if (strncmp(cmd1, "batch", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) {
- printf("no file specified\n");
- } else {
- batch(sregs, cmd1);
- }
- } else if (strncmp(cmd1, "cont", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) {
- stat = run_sim(sregs, -1, 0);
- } else {
- stat = run_sim(sregs, VAL(cmd1), 0);
- }
- daddr = sregs->pc;
- sim_halt();
- } else if (strncmp(cmd1, "debug", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) {
- sis_verbose = VAL(cmd1);
- }
- printf("Debug level = %d\n",sis_verbose);
- } else if (strncmp(cmd1, "dis", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) {
- daddr = VAL(cmd1);
- }
- if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) {
- len = VAL(cmd2);
- } else
- len = 16;
- printf("\n");
- dis_mem(daddr, len, &dinfo);
- printf("\n");
- daddr += len * 4;
- } else if (strncmp(cmd1, "echo", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) {
- printf("%s\n", (&cmdsave[clen+1]));
- }
-#ifdef ERRINJ
- } else if (strncmp(cmd1, "error", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) {
- errper = VAL(cmd1);
- if (errper) {
- event(errinj, 0, (len = (random()%errper)));
- printf("Error injection started with period %d\n",len);
- }
- } else printf("Injected errors: %d\n",errcnt);
-#endif
- } else if (strncmp(cmd1, "float", clen) == 0) {
- stat = disp_fpu(sregs);
- } else if (strncmp(cmd1, "go", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) {
- len = last_load_addr;
- } else {
- len = VAL(cmd1);
- }
- sregs->pc = len & ~3;
- sregs->npc = sregs->pc + 4;
- printf("resuming at 0x%08x\n",sregs->pc);
- if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL) {
- stat = run_sim(sregs, VAL(cmd2), 0);
- } else {
- stat = run_sim(sregs, -1, 0);
- }
- daddr = sregs->pc;
- sim_halt();
- } else if (strncmp(cmd1, "help", clen) == 0) {
- gen_help();
- } else if (strncmp(cmd1, "history", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) {
- sregs->histlen = VAL(cmd1);
- if (sregs->histbuf != NULL)
- free(sregs->histbuf);
- sregs->histbuf = (struct histype *) calloc(sregs->histlen, sizeof(struct histype));
- printf("trace history length = %d\n\r", sregs->histlen);
- sregs->histind = 0;
-
- } else {
- j = sregs->histind;
- for (i = 0; i < sregs->histlen; i++) {
- if (j >= sregs->histlen)
- j = 0;
- printf(" %8d ", sregs->histbuf[j].time);
- dis_mem(sregs->histbuf[j].addr, 1, &dinfo);
- j++;
- }
- }
-
- } else if (strncmp(cmd1, "load", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) {
- last_load_addr = bfd_load(cmd1);
- while ((cmd1 = strtok(NULL, " \t\n\r")) != NULL)
- last_load_addr = bfd_load(cmd1);
- } else {
- printf("load: no file specified\n");
- }
- } else if (strncmp(cmd1, "mem", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL)
- daddr = VAL(cmd1);
- if ((cmd2 = strtok(NULL, " \t\n\r")) != NULL)
- len = VAL(cmd2);
- else
- len = 64;
- disp_mem(daddr, len);
- daddr += len;
- } else if (strncmp(cmd1, "perf", clen) == 0) {
- cmd1 = strtok(NULL, " \t\n\r");
- if ((cmd1 != NULL) &&
- (strncmp(cmd1, "reset", strlen(cmd1)) == 0)) {
- reset_stat(sregs);
- } else
- show_stat(sregs);
- } else if (strncmp(cmd1, "quit", clen) == 0) {
- exit(0);
- } else if (strncmp(cmd1, "reg", clen) == 0) {
- cmd1 = strtok(NULL, " \t\n\r");
- cmd2 = strtok(NULL, " \t\n\r");
- if (cmd2 != NULL)
- set_rega(sregs, cmd1, VAL(cmd2));
- else if (cmd1 != NULL)
- disp_reg(sregs, cmd1);
- else {
- disp_regs(sregs,sregs->psr);
- disp_ctrl(sregs);
- }
- } else if (strncmp(cmd1, "reset", clen) == 0) {
- ebase.simtime = 0;
- reset_all();
- reset_stat(sregs);
- } else if (strncmp(cmd1, "run", clen) == 0) {
- ebase.simtime = 0;
- reset_all();
- reset_stat(sregs);
- if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) {
- stat = run_sim(sregs, -1, 0);
- } else {
- stat = run_sim(sregs, VAL(cmd1), 0);
- }
- daddr = sregs->pc;
- sim_halt();
- } else if (strncmp(cmd1, "shell", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) != NULL) {
- system(&cmdsave[clen]);
- }
- } else if (strncmp(cmd1, "step", clen) == 0) {
- stat = run_sim(sregs, 1, 1);
- daddr = sregs->pc;
- sim_halt();
- } else if (strncmp(cmd1, "tcont", clen) == 0) {
- sregs->tlimit = limcalc(sregs->freq);
- stat = run_sim(sregs, -1, 0);
- daddr = sregs->pc;
- sim_halt();
- } else if (strncmp(cmd1, "tgo", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) {
- len = last_load_addr;
- } else {
- len = VAL(cmd1);
- sregs->tlimit = limcalc(sregs->freq);
- }
- sregs->pc = len & ~3;
- sregs->npc = sregs->pc + 4;
- printf("resuming at 0x%08x\n",sregs->pc);
- stat = run_sim(sregs, -1, 0);
- daddr = sregs->pc;
- sim_halt();
- } else if (strncmp(cmd1, "tlimit", clen) == 0) {
- sregs->tlimit = limcalc(sregs->freq);
- if (sregs->tlimit != (uint32) -1)
- printf("simulation limit = %u (%.3f ms)\n",(uint32) sregs->tlimit,
- sregs->tlimit / sregs->freq / 1000);
- } else if (strncmp(cmd1, "tra", clen) == 0) {
- if ((cmd1 = strtok(NULL, " \t\n\r")) == NULL) {
- stat = run_sim(sregs, -1, 1);
- } else {
- stat = run_sim(sregs, VAL(cmd1), 1);
- }
- printf("\n");
- daddr = sregs->pc;
- sim_halt();
- } else if (strncmp(cmd1, "trun", clen) == 0) {
- ebase.simtime = 0;
- reset_all();
- reset_stat(sregs);
- sregs->tlimit = limcalc(sregs->freq);
- stat = run_sim(sregs, -1, 0);
- daddr = sregs->pc;
- sim_halt();
- } else
- printf("syntax error\n");
- }
- if (cmdsave != NULL)
- free(cmdsave);
- return (stat);
-}
-
-
-void
-reset_stat(sregs)
- struct pstate *sregs;
-{
- sregs->tottime = 0;
- sregs->pwdtime = 0;
- sregs->ninst = 0;
- sregs->fholdt = 0;
- sregs->holdt = 0;
- sregs->icntt = 0;
- sregs->finst = 0;
- sregs->nstore = 0;
- sregs->nload = 0;
- sregs->nbranch = 0;
- sregs->simstart = ebase.simtime;
-
-}
-
-void
-show_stat(sregs)
- struct pstate *sregs;
-{
- uint32 iinst;
- uint32 stime, tottime;
-
- if (sregs->tottime == 0) tottime = 1; else tottime = sregs->tottime;
- stime = ebase.simtime - sregs->simstart; /* Total simulated time */
-#ifdef STAT
-
- iinst = sregs->ninst - sregs->finst - sregs->nload - sregs->nstore -
- sregs->nbranch;
-#endif
-
- printf("\n Cycles : %9d\n\r", ebase.simtime - sregs->simstart);
- printf(" Instructions : %9d\n", sregs->ninst);
-
-#ifdef STAT
- printf(" integer : %9.2f %%\n", 100.0 * (float) iinst / (float) sregs->ninst);
- printf(" load : %9.2f %%\n",
- 100.0 * (float) sregs->nload / (float) sregs->ninst);
- printf(" store : %9.2f %%\n",
- 100.0 * (float) sregs->nstore / (float) sregs->ninst);
- printf(" branch : %9.2f %%\n",
- 100.0 * (float) sregs->nbranch / (float) sregs->ninst);
- printf(" float : %9.2f %%\n",
- 100.0 * (float) sregs->finst / (float) sregs->ninst);
- printf(" Integer CPI : %9.2f\n",
- ((float) (stime - sregs->pwdtime - sregs->fholdt - sregs->finst))
- /
- (float) (sregs->ninst - sregs->finst));
- printf(" Float CPI : %9.2f\n",
- ((float) sregs->fholdt / (float) sregs->finst) + 1.0);
-#endif
- printf(" Overall CPI : %9.2f\n",
- (float) (stime - sregs->pwdtime) / (float) sregs->ninst);
- printf("\n ERC32 performance (%4.1f MHz): %5.2f MOPS (%5.2f MIPS, %5.2f MFLOPS)\n",
- sregs->freq, sregs->freq * (float) sregs->ninst / (float) (stime - sregs->pwdtime),
- sregs->freq * (float) (sregs->ninst - sregs->finst) /
- (float) (stime - sregs->pwdtime),
- sregs->freq * (float) sregs->finst / (float) (stime - sregs->pwdtime));
- printf(" Simulated ERC32 time : %5.2f ms\n", (float) (ebase.simtime - sregs->simstart) / 1000.0 / sregs->freq);
- printf(" Processor utilisation : %5.2f %%\n", 100.0 * (1.0 - ((float) sregs->pwdtime / (float) stime)));
- printf(" Real-time / simulator-time : 1/%.2f \n",
- ((float) sregs->tottime) / ((float) (stime) / (sregs->freq * 1.0E6)));
- printf(" Simulator performance : %d KIPS\n",sregs->ninst/tottime/1000);
- printf(" Used time (sys + user) : %3d s\n\n", sregs->tottime);
-}
-
-
-
-void
-init_bpt(sregs)
- struct pstate *sregs;
-{
- sregs->bptnum = 0;
- sregs->histlen = 0;
- sregs->histind = 0;
- sregs->histbuf = NULL;
- sregs->tlimit = -1;
-}
-
-static void
-int_handler(sig)
- int32 sig;
-{
- if (sig != 2)
- printf("\n\n Signal handler error (%d)\n\n", sig);
- ctrl_c = 1;
-}
-
-void
-init_signals()
-{
- typedef void (*PFI) ();
- static PFI int_tab[2];
-
- int_tab[0] = signal(SIGTERM, int_handler);
- int_tab[1] = signal(SIGINT, int_handler);
-}
-
-
-extern struct disassemble_info dinfo;
-
-struct estate ebase;
-struct evcell evbuf[EVENT_MAX];
-struct irqcell irqarr[16];
-
-static int
-disp_fpu(sregs)
- struct pstate *sregs;
-{
-
- int i;
- float t;
-
- printf("\n fsr: %08X\n\n", sregs->fsr);
-
-#ifdef HOST_LITTLE_ENDIAN_FLOAT
- for (i = 0; i < 32; i++)
- sregs->fdp[i ^ 1] = sregs->fs[i];
-#endif
-
- for (i = 0; i < 32; i++) {
- t = sregs->fs[i];
- printf(" f%02d %08x %14e ", i, sregs->fsi[i], sregs->fs[i]);
- if (!(i & 1))
- printf("%14e\n", sregs->fd[i >> 1]);
- else
- printf("\n");
- }
- printf("\n");
- return (OK);
-}
-
-static void
-disp_regs(sregs,cwp)
- struct pstate *sregs;
- int cwp;
-{
-
- int i;
-
- cwp = ((cwp & 0x7) << 4);
- printf("\n\t INS LOCALS OUTS GLOBALS\n");
- for (i = 0; i < 8; i++) {
- printf(" %d: %08X %08X %08X %08X\n", i,
- sregs->r[(cwp + i + 24) & 0x7f],
- sregs->r[(cwp + i + 16) & 0x7f], sregs->r[(cwp + i + 8) & 0x7f],
- sregs->g[i]);
- }
-}
-
-static void
-disp_ctrl(sregs)
- struct pstate *sregs;
-{
-
- unsigned char i[4];
-
- printf("\n psr: %08X wim: %08X tbr: %08X y: %08X\n",
- sregs->psr, sregs->wim, sregs->tbr, sregs->y);
- sis_memory_read(sregs->pc, i, 4);
- printf("\n pc: %08X = %02X%02X%02X%02X ", sregs->pc,i[0],i[1],i[2],i[3]);
- print_insn_sparc(sregs->pc, &dinfo);
- sis_memory_read(sregs->npc, i, 4);
- printf("\n npc: %08X = %02X%02X%02X%02X ",sregs->npc,i[0],i[1],i[2],i[3]);
- print_insn_sparc(sregs->npc, &dinfo);
- if (sregs->err_mode)
- printf("\n IU in error mode");
- printf("\n\n");
-}
-
-static void
-disp_mem(addr, len)
- uint32 addr;
- uint32 len;
-{
-
- uint32 i;
- unsigned char data[4];
- uint32 mem[4], j;
- char *p;
-
- for (i = addr & ~3; i < ((addr + len) & ~3); i += 16) {
- printf("\n %8X ", i);
- for (j = 0; j < 4; j++) {
- sis_memory_read((i + (j * 4)), data, 4);
- printf("%02x%02x%02x%02x ", data[0],data[1],data[2],data[3]);
- mem[j] = *((int *) &data);
- }
- printf(" ");
- p = (char *) mem;
- for (j = 0; j < 16; j++) {
- if (isprint(p[j]))
- putchar(p[j]);
- else
- putchar('.');
- }
- }
- printf("\n\n");
-}
-
-void
-dis_mem(addr, len, info)
- uint32 addr;
- uint32 len;
- struct disassemble_info *info;
-{
- uint32 i;
- unsigned char data[4];
-
- for (i = addr & -3; i < ((addr & -3) + (len << 2)); i += 4) {
- sis_memory_read(i, data, 4);
- printf(" %08x %02x%02x%02x%02x ", i, data[0],data[1],data[2],data[3]);
- print_insn_sparc(i, info);
- if (i >= 0xfffffffc) break;
- printf("\n");
- }
-}
-
-int
-buffer_read_memory(addr, buffer, size, info)
- bfd_vma addr;
- bfd_byte *buffer;
- int32 size;
- struct disassemble_info *info;
-{
- if (size == sis_memory_read(addr, buffer, size))
- return (0);
- else
- return (1);
-}
-
-void
-perror_memory(status, addr, info)
- int32 status;
- bfd_vma addr;
- struct disassemble_info *info;
-{
-
- printf("Could not read address 0x%08x\n", (unsigned int) addr);
-}
-
-void
-generic_print_address(addr, info)
- bfd_vma addr;
- struct disassemble_info *info;
-{
-
- printf("0x%x", (unsigned int) addr);
-}
-
-/* Just return the given address. */
-
-int
-generic_symbol_at_address (addr, info)
- bfd_vma addr;
- struct disassemble_info * info;
-{
- return 1;
-}
-
-
-/* Add event to event queue */
-
-void
-event(cfunc, arg, delta)
- void (*cfunc) ();
- int32 arg;
- uint32 delta;
-{
- struct evcell *ev1, *evins;
-
- if (ebase.freeq == NULL) {
- printf("Error, too many events in event queue\n");
- return;
- }
- ev1 = &ebase.eq;
- delta += ebase.simtime;
- while ((ev1->nxt != NULL) && (ev1->nxt->time <= delta)) {
- ev1 = ev1->nxt;
- }
- if (ev1->nxt == NULL) {
- ev1->nxt = ebase.freeq;
- ebase.freeq = ebase.freeq->nxt;
- ev1->nxt->nxt = NULL;
- } else {
- evins = ebase.freeq;
- ebase.freeq = ebase.freeq->nxt;
- evins->nxt = ev1->nxt;
- ev1->nxt = evins;
- }
- ev1->nxt->time = delta;
- ev1->nxt->cfunc = cfunc;
- ev1->nxt->arg = arg;
-}
-
-#if 0 /* apparently not used */
-void
-stop_event()
-{
-}
-#endif
-
-void
-init_event()
-{
- int32 i;
-
- ebase.eq.nxt = NULL;
- ebase.freeq = evbuf;
- for (i = 0; i < EVENT_MAX; i++) {
- evbuf[i].nxt = &evbuf[i + 1];
- }
- evbuf[EVENT_MAX - 1].nxt = NULL;
-}
-
-void
-set_int(level, callback, arg)
- int32 level;
- void (*callback) ();
- int32 arg;
-{
- irqarr[level & 0x0f].callback = callback;
- irqarr[level & 0x0f].arg = arg;
-}
-
-/* Advance simulator time */
-
-void
-advance_time(sregs)
- struct pstate *sregs;
-{
-
- struct evcell *evrem;
- void (*cfunc) ();
- uint32 arg, endtime;
-
-#ifdef STAT
- sregs->fholdt += sregs->fhold;
- sregs->holdt += sregs->hold;
- sregs->icntt += sregs->icnt;
-#endif
-
- endtime = ebase.simtime + sregs->icnt + sregs->hold + sregs->fhold;
-
- while ((ebase.eq.nxt->time <= (endtime)) && (ebase.eq.nxt != NULL)) {
- ebase.simtime = ebase.eq.nxt->time;
- cfunc = ebase.eq.nxt->cfunc;
- arg = ebase.eq.nxt->arg;
- evrem = ebase.eq.nxt;
- ebase.eq.nxt = ebase.eq.nxt->nxt;
- evrem->nxt = ebase.freeq;
- ebase.freeq = evrem;
- cfunc(arg);
- }
- ebase.simtime = endtime;
-
-}
-
-uint32
-now()
-{
- return(ebase.simtime);
-}
-
-
-/* Advance time until an external interrupt is seen */
-
-int
-wait_for_irq()
-{
- struct evcell *evrem;
- void (*cfunc) ();
- int32 arg, endtime;
-
- if (ebase.eq.nxt == NULL)
- printf("Warning: event queue empty - power-down mode not entered\n");
- endtime = ebase.simtime;
- while (!ext_irl && (ebase.eq.nxt != NULL)) {
- ebase.simtime = ebase.eq.nxt->time;
- cfunc = ebase.eq.nxt->cfunc;
- arg = ebase.eq.nxt->arg;
- evrem = ebase.eq.nxt;
- ebase.eq.nxt = ebase.eq.nxt->nxt;
- evrem->nxt = ebase.freeq;
- ebase.freeq = evrem;
- cfunc(arg);
- if (ctrl_c) {
- printf("\bwarning: power-down mode interrupted\n");
- break;
- }
- }
- sregs.pwdtime += ebase.simtime - endtime;
- return (ebase.simtime - endtime);
-}
-
-int
-check_bpt(sregs)
- struct pstate *sregs;
-{
- int32 i;
-
- if ((sregs->bphit) || (sregs->annul))
- return (0);
- for (i = 0; i < (int32) sregs->bptnum; i++) {
- if (sregs->pc == sregs->bpts[i])
- return (BPT_HIT);
- }
- return (0);
-}
-
-void
-reset_all()
-{
- init_event(); /* Clear event queue */
- init_regs(&sregs);
- reset();
-#ifdef ERRINJ
- errinjstart();
-#endif
-}
-
-void
-sys_reset()
-{
- reset_all();
- sregs.trap = 256; /* Force fake reset trap */
-}
-
-void
-sys_halt()
-{
- sregs.trap = 257; /* Force fake halt trap */
-}
-
-#include "ansidecl.h"
-
-#ifdef ANSI_PROTOTYPES
-#include <stdarg.h>
-#else
-#include <varargs.h>
-#endif
-
-#include "libiberty.h"
-#include "bfd.h"
-
-#define min(A, B) (((A) < (B)) ? (A) : (B))
-#define LOAD_ADDRESS 0
-
-int
-bfd_load(fname)
- char *fname;
-{
- asection *section;
- bfd *pbfd;
- const bfd_arch_info_type *arch;
-
- pbfd = bfd_openr(fname, 0);
-
- if (pbfd == NULL) {
- printf("open of %s failed\n", fname);
- return (-1);
- }
- if (!bfd_check_format(pbfd, bfd_object)) {
- printf("file %s doesn't seem to be an object file\n", fname);
- return (-1);
- }
-
- arch = bfd_get_arch_info (pbfd);
- if (bfd_little_endian (pbfd) || arch->mach == bfd_mach_sparc_sparclite_le)
- current_target_byte_order = LITTLE_ENDIAN;
- else
- current_target_byte_order = BIG_ENDIAN;
- if (sis_verbose)
- printf("file %s is little-endian.\n", fname);
-
- if (sis_verbose)
- printf("loading %s:", fname);
- for (section = pbfd->sections; section; section = section->next) {
- if (bfd_get_section_flags(pbfd, section) & SEC_ALLOC) {
- bfd_vma section_address;
- unsigned long section_size;
- const char *section_name;
-
- section_name = bfd_get_section_name(pbfd, section);
-
- section_address = bfd_get_section_vma(pbfd, section);
- /*
- * Adjust sections from a.out files, since they don't carry their
- * addresses with.
- */
- if (bfd_get_flavour(pbfd) == bfd_target_aout_flavour)
- section_address += bfd_get_start_address (pbfd);
- section_size = bfd_section_size(pbfd, section);
-
- if (sis_verbose)
- printf("\nsection %s at 0x%08lx (%ld bytes)",
- section_name, section_address, section_size);
-
- /* Text, data or lit */
- if (bfd_get_section_flags(pbfd, section) & SEC_LOAD) {
- file_ptr fptr;
-
- fptr = 0;
-
- while (section_size > 0) {
- char buffer[1024];
- int count;
-
- count = min(section_size, 1024);
-
- bfd_get_section_contents(pbfd, section, buffer, fptr, count);
-
- sis_memory_write(section_address, buffer, count);
-
- section_address += count;
- fptr += count;
- section_size -= count;
- }
- } else /* BSS */
- if (sis_verbose)
- printf("(not loaded)");
- }
- }
- if (sis_verbose)
- printf("\n");
-
- return(bfd_get_start_address (pbfd));
-}
generated by cgit v1.1 at 2024-11-23 16:27:05 +0000