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-rw-r--r--sim/erc32/sis.c306
1 files changed, 0 insertions, 306 deletions
diff --git a/sim/erc32/sis.c b/sim/erc32/sis.c
deleted file mode 100644
index 0bed197..0000000
--- a/sim/erc32/sis.c
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
- * This file is part of SIS.
- *
- * SIS, SPARC instruction simulator. 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 "config.h"
-#include <signal.h>
-#include <string.h>
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#include <stdio.h>
-#include <time.h>
-#include <sys/fcntl.h>
-#include "sis.h"
-#include <dis-asm.h>
-#include "sim-config.h"
-
-#define VAL(x) strtol(x,(char **)NULL,0)
-
-/* Structures and functions from readline library */
-
-typedef struct {
- char *line;
- char *data;
-} HIST_ENTRY;
-
-extern char * readline PARAMS ((char *prompt));
-extern void using_history PARAMS ((void));
-extern void add_history PARAMS ((char *string));
-extern HIST_ENTRY *remove_history PARAMS ((int which));
-
-
-
-/* Command history buffer length - MUST be binary */
-#define HIST_LEN 64
-
-extern struct disassemble_info dinfo;
-extern struct pstate sregs;
-extern struct estate ebase;
-
-extern int ctrl_c;
-extern int nfp;
-extern int ift;
-extern int wrp;
-extern int rom8;
-extern int uben;
-extern int sis_verbose;
-extern char *sis_version;
-extern struct estate ebase;
-extern struct evcell evbuf[];
-extern struct irqcell irqarr[];
-extern int irqpend, ext_irl;
-extern int termsave;
-extern int sparclite;
-extern int dumbio;
-extern char uart_dev1[];
-extern char uart_dev2[];
-extern uint32 last_load_addr;
-
-#ifdef ERA
-extern int era;
-#endif
-
-int
-run_sim(sregs, icount, dis)
- struct pstate *sregs;
- unsigned int icount;
- int dis;
-{
- int irq, mexc, deb, asi;
-
- sregs->starttime = time(NULL);
- init_stdio();
- if (sregs->err_mode) icount = 0;
- deb = dis || sregs->histlen || sregs->bptnum;
- irq = 0;
- while (icount > 0) {
-
- if (sregs->psr & 0x080)
- asi = 9;
- else
- asi = 8;
- mexc = memory_read(asi, sregs->pc, &sregs->inst, 2, &sregs->hold);
- sregs->icnt = 1;
- if (sregs->annul) {
- sregs->annul = 0;
- sregs->pc = sregs->npc;
- sregs->npc = sregs->npc + 4;
- } else {
- sregs->fhold = 0;
- if (ext_irl) irq = check_interrupts(sregs);
- if (!irq) {
- if (mexc) {
- sregs->trap = I_ACC_EXC;
- } else {
- if (deb) {
- if ((sregs->bphit = check_bpt(sregs)) != 0) {
- restore_stdio();
- return (BPT_HIT);
- }
- if (sregs->histlen) {
- sregs->histbuf[sregs->histind].addr = sregs->pc;
- sregs->histbuf[sregs->histind].time = ebase.simtime;
- sregs->histind++;
- if (sregs->histind >= sregs->histlen)
- sregs->histind = 0;
- }
- if (dis) {
- printf(" %8u ", ebase.simtime);
- dis_mem(sregs->pc, 1, &dinfo);
- }
- }
- dispatch_instruction(sregs);
- icount--;
- }
- }
- if (sregs->trap) {
- irq = 0;
- sregs->err_mode = execute_trap(sregs);
- if (sregs->err_mode) {
- error_mode(sregs->pc);
- icount = 0;
- }
- }
- }
- advance_time(sregs);
- if (ctrl_c || (sregs->tlimit <= ebase.simtime)) {
- icount = 0;
- if (sregs->tlimit <= ebase.simtime) sregs->tlimit = -1;
- }
- }
- sregs->tottime += time(NULL) - sregs->starttime;
- restore_stdio();
- if (sregs->err_mode)
- return (ERROR);
- if (ctrl_c) {
- ctrl_c = 0;
- return (CTRL_C);
- }
- return (TIME_OUT);
-}
-
-int
-main(argc, argv)
- int argc;
- char **argv;
-{
-
- int cont = 1;
- int stat = 1;
- int freq = 14;
- int copt = 0;
-
- char *cfile, *bacmd;
- char *cmdq[HIST_LEN];
- int cmdi = 0;
- int i;
-
- cfile = 0;
- for (i = 0; i < 64; i++)
- cmdq[i] = 0;
- printf("\n SIS - SPARC intruction simulator %s, copyright Jiri Gaisler 1995\n", sis_version);
- printf(" Bug-reports to jgais@wd.estec.esa.nl\n\n");
- while (stat < argc) {
- if (argv[stat][0] == '-') {
- if (strcmp(argv[stat], "-v") == 0) {
- sis_verbose = 1;
- } else if (strcmp(argv[stat], "-c") == 0) {
- if ((stat + 1) < argc) {
- copt = 1;
- cfile = argv[++stat];
- }
- } else if (strcmp(argv[stat], "-nfp") == 0)
- nfp = 1;
- else if (strcmp(argv[stat], "-ift") == 0)
- ift = 1;
- else if (strcmp(argv[stat], "-wrp") == 0)
- wrp = 1;
- else if (strcmp(argv[stat], "-rom8") == 0)
- rom8 = 1;
- else if (strcmp(argv[stat], "-uben") == 0)
- uben = 1;
- else if (strcmp(argv[stat], "-uart1") == 0) {
- if ((stat + 1) < argc)
- strcpy(uart_dev1, argv[++stat]);
- } else if (strcmp(argv[stat], "-uart2") == 0) {
- if ((stat + 1) < argc)
- strcpy(uart_dev2, argv[++stat]);
- } else if (strcmp(argv[stat], "-freq") == 0) {
- if ((stat + 1) < argc)
- freq = VAL(argv[++stat]);
- } else if (strcmp(argv[stat], "-sparclite") == 0) {
- sparclite = 1;
-#ifdef ERA
- } else if (strcmp(argv[stat], "-era") == 0) {
- era = 1;
-#endif
- } else if (strcmp(argv[stat], "-dumbio") == 0) {
- dumbio = 1;
- } else {
- printf("unknown option %s\n", argv[stat]);
- usage();
- exit(1);
- }
- } else {
- last_load_addr = bfd_load(argv[stat]);
- }
- stat++;
- }
- if (nfp)
- printf("FPU disabled\n");
-#ifdef ERA
- if (era)
- printf("ERA ECC emulation enabled\n");
-#endif
- sregs.freq = freq;
-
- INIT_DISASSEMBLE_INFO(dinfo, stdout, (fprintf_ftype) fprintf);
- dinfo.endian = BFD_ENDIAN_BIG;
-
- termsave = fcntl(0, F_GETFL, 0);
- using_history();
- init_signals();
- ebase.simtime = 0;
- reset_all();
- init_bpt(&sregs);
- init_sim();
-#ifdef STAT
- reset_stat(&sregs);
-#endif
-
- if (copt) {
- bacmd = (char *) malloc(256);
- strcpy(bacmd, "batch ");
- strcat(bacmd, cfile);
- exec_cmd(&sregs, bacmd);
- }
- while (cont) {
-
- if (cmdq[cmdi] != 0) {
-#if 0
- remove_history(cmdq[cmdi]);
-#else
- remove_history(cmdi);
-#endif
- free(cmdq[cmdi]);
- cmdq[cmdi] = 0;
- }
- cmdq[cmdi] = readline("sis> ");
- if (cmdq[cmdi] && *cmdq[cmdi])
- add_history(cmdq[cmdi]);
- if (cmdq[cmdi])
- stat = exec_cmd(&sregs, cmdq[cmdi]);
- else {
- puts("\n");
- exit(0);
- }
- switch (stat) {
- case OK:
- break;
- case CTRL_C:
- printf("\b\bInterrupt!\n");
- case TIME_OUT:
- printf(" Stopped at time %d (%.3f ms)\n", ebase.simtime,
- ((double) ebase.simtime / (double) sregs.freq) / 1000.0);
- break;
- case BPT_HIT:
- printf("breakpoint at 0x%08x reached\n", sregs.pc);
- sregs.bphit = 1;
- break;
- case ERROR:
- printf("IU in error mode (%d)\n", sregs.trap);
- stat = 0;
- printf(" %8d ", ebase.simtime);
- dis_mem(sregs.pc, 1, &dinfo);
- break;
- default:
- break;
- }
- ctrl_c = 0;
- stat = OK;
-
- cmdi = (cmdi + 1) & (HIST_LEN - 1);
-
- }
- return 0;
-}
-
generated by cgit v1.1 at 2025-04-08 06:46:15 +0000