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/* toplevel.c -- Top level simulator source file
   Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
 
This file is part of OpenRISC 1000 Architectural Simulator.
 
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. */
 
/* Simulator commands. Help and version output. SIGINT processing.
Stdout redirection is specific to linux (I need to fix this). */
 
#include "config.h"
 
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <stdarg.h>
 
#ifdef HAVE_LIBREADLINE
#include <readline/readline.h>
#include <readline/history.h>
#endif /* HAVE_LIBREADLINE */
 
#include "arch.h"
#include "parse.h"
#include "abstract.h"
#include "trace.h"
#include "execute.h"
#include "sim-config.h"
 
#include "coff.h"
 
/* CVS revision number. */
const char rcsrev[] = "$Revision: 1.13 $";
 
/* Continuos run versus single step tracing switch. */
int cont_run;
 
/* History of execution */
int histexec[HISTEXEC_LEN];
 
char *sim_commands [] = {
  "q",
  "t",
  "help",
  "de",
  "dm",
  "run",
  "pr",
  "pm",
  "pc",
  "reset",
  "break",
  "hist",
  "stats",
  "info",
  "r",
  "dv",
 
};
 
void debug(const char *format, ...)
{
  char *p;
  va_list ap;
 
  if (config.simdebug) {
    if ((p = malloc(1000)) == NULL)
      return;
    va_start(ap, format);
    (void) vsnprintf(p, 1000, format, ap);
    va_end(ap);
    printf("%s\n", p);
    fflush(stdout);
    free(p);
  } else {
#if DEBUG
  if ((p = malloc(1000)) == NULL)
    return;
  va_start(ap, format);
  (void) vsnprintf(p, 1000, format, ap);
  va_end(ap);
  printf("%s\n", p);
  fflush(stdout);
  free(p);
#endif
  }
  return;
}
 
/* Strip whitespace from the start and end of STRING.  Return a pointer
   into STRING. */
#ifndef whitespace
#define whitespace(a)   ((a) == '\t' ? 1 : ((a) == ' '? 1 : 0))
#endif
 
char *
stripwhite (string)
     char *string;
{
  register char *s, *t;
 
  for (s = string; whitespace (*s); s++)
    ;
 
  if (*s == 0)
    return (s);
 
  t = s + strlen (s) - 1;
  while (t > s && whitespace (*t))
    t--;
  *++t = '\0';
 
  return s;
}
 
void
ctrl_c(signum)
     int signum;
{
        cont_run = 1;
  signal(SIGINT, ctrl_c);
}
 
void
version()
{
        printf ("\n");
        printf ("OpenRISC 1000 (OR16+OR32) Architectural Simulator, %s\n", rcsrev);
        printf ("Copyright (C) 1999 Damjan Lampret, lampret@opencores.org\n");
        printf ("Copyright (C) 2000 Damjan Lampret, lampret@opencores.org\n");
        printf ("                   Jimmy Chen-Min Chen, jimmy@ee.nctu.edu.tw\n");
        printf ("                   Johan Rydberg, johan.rydberg@insight.se\n");
        printf ("Visit http://www.opencores.org for more information about ");
        printf ("OpenRISC 1000 and\nother open source cores.\n\n");
        printf ("This software comes with ABSOLUTELY NO WARRANTY; for ");
        printf ("details see COPYING.\nThis is free software, and you ");
        printf ("are welcome to redistribute it under certain\nconditions; ");
        printf ("for details see COPYING.\n");
}
 
void
help()
{
        printf("q                        - quit simulator\n");
        printf("r                        - display all registers\n");
        printf("t                        - execute next instruction\n");
        printf("run <cycles> [<hush>]    - execute <cycles> instructions, no reg dump if hush\n");
        printf("pr <r> <value>           - patch register <r> with <value>\n");
        printf("dm <fromaddr> [<toaddr>] - display memory from <fromaddr> to <toaddr>\n");
        printf("de                       - debug insn memory\n");
        printf("pm <addr> <value>        - patch memory location <addr> with <value>\n");
        printf("pc <value>               - patch PC register with <value>\n");
        printf("break <addr>             - toggle breakpoint at address <addr>\n");
        printf("reset                    - simulator reset\n");
        printf("hist                     - execution history\n");
        printf("stats <num|clear>        - execution statistics num or clear it.\n");
        printf("info                     - configuration info (caches etc.)\n");
        printf("dv <fromaddr> [<toaddr>] [<modname>] - dumps memory as verilog (use redirect)\n");
        printf("dh <fromaddr> [<toaddr>] - dumps memory as hex code (use redirect)\n");
        printf("<cmd> > <filename>       - redirect simulator stdout to <filename> (and not emulated printf)\n");
        printf("debug                    - toggles simulator debug mode\n");
        printf("help                     - available commands (this list)\n");
}
 
void debugmem();
 
main(argc, argv)
     int argc;
     char *argv[];
{
        char *linestr;
        char item1[500], b2[500];
        char *redirstr;
        int hush;
        unsigned long endaddr;
 
        if (argc != 2)
    {
      printf("Usage: %s <filename>\n", argv[0]);
      exit(-1);
    }
 
#ifdef HAVE_LIBREADLINE
  initialize_readline ();       /* Bind our completer. */
#endif  
 
        srand(getpid());
        version();
        init_defconfig();
        signal(SIGINT, ctrl_c);
        initstats();
        memset(mem, 0, sizeof(mem));
        endaddr = loadcode(argv[1], MEMORY_START, 0);
        if (endaddr == -1) {
                printf("Problems loading boot code.\n");
                exit(1);
        }
        uart_reset();
        reset();
        set_reg32("r3", endaddr);
 
        while(1)
    {
#ifdef HAVE_LIBREADLINE
      linestr = readline("(sim) ");
#else
      printf ("(sim) ");
      linestr = fgets(b2, sizeof b2, stdin);
#endif
 
      if (!linestr)
        {
          break;
        }
      linestr = stripwhite (linestr);
 
#ifdef HAVE_LIBREADLINE
      if (strlen(linestr) == 0)
        {
          char *l = repeat_last_command ();
 
          if (l)
            {
              free (linestr);
              linestr = l;
            }
        }
 
      if (*linestr)
        {
          add_history (linestr);
        }
#endif /* HAVE_LIBREADLINE */
 
      if (redirstr = strstr(linestr, ">"))
        {
          *redirstr = '\0';
          strtoken(&redirstr[1], item1, 1);
          freopen(item1, "w+", stdout);
        }
 
                strtoken(linestr, item1, 1);
                if (strcmp(item1, "q") == 0)     /* quit */
                        exit(0);
                else
                if (strcmp(item1, "help") == 0)  /* help */
                        help();
                else
                if (strcmp(item1, "t") == 0) {   /* trace */
                        cont_run = 1;
                } else
                if (strcmp(item1, "dm") == 0) {  /* dump memory */
                        char item2[20];
                        char item3[20];
                        static int from = 0, to = 0;
 
                        strtoken(linestr, item2, 2);
                        strtoken(linestr, item3, 3);
 
                        if (strlen(item2)) {
                                if (item2[0] == '_')
                                        from = eval_label(item2);
                                else
                                        from = strtoul(item2, NULL, 0);
                                to = from + 0x40;
                        }
                        if (strlen(item3))
                                to = strtoul(item3, NULL, 0);
                        dumpmemory(from, to);
                        printf("\n");
                } else
                if (strcmp(item1, "dv") == 0) {/* dump memory as verilog*/
                        char item2[20];
                        char item3[20];
                        char item4[20];
                        static int from = 0, to = 0;
 
                        strtoken(linestr, item2, 2);
                        strtoken(linestr, item3, 3);
                        strtoken(linestr, item4, 4);
 
                        if (strlen(item2)) {
                                if (item2[0] == '_')
                                        from = eval_label(item2);
                                else
                                        from = strtoul(item2, NULL, 0);
                                to = from + 0x40;
                        }
                        if (strlen(item3))
                                to = strtoul(item3, NULL, 0);
                        if (!strlen(item4))
                                strcpy(item4, "or1k_mem");
                        dumpverilog(item4, from, to);
                        printf("\n");
                } else
                if (strcmp(item1, "dh") == 0) {/* dump memory as hex*/
                        char item2[20];
                        char item3[20];
                        static int from = 0, to = 0;
 
                        strtoken(linestr, item2, 2);
                        strtoken(linestr, item3, 3);
 
                        if (strlen(item2)) {
                                if (item2[0] == '_')
                                        from = eval_label(item2);
                                else
                                        from = strtoul(item2, NULL, 0);
                                to = from + 0x40;
                        }
                        if (strlen(item3))
                                to = strtoul(item3, NULL, 0);
                        dumphex(from, to);
                        printf("\n");
                } else
                if (strcmp(item1, "pm") == 0) {  /* patch memory */
                        char item2[20];
                        char item3[20];
                        static int addr = 0;
 
                        strtoken(linestr, item2, 2);
                        strtoken(linestr, item3, 3);
                        if (strlen(item2))
                                if (item2[0] == '_')
                                        addr = eval_label(item2);
                                else
                                        addr = strtoul(item2, NULL, 0);
                        set_mem32(addr, strtoul(item3, NULL, 0));
                } else
                if (strcmp(item1, "pr") == 0) {  /* patch regs */
                        char item2[20];
                        char item3[20];
 
                        strtoken(linestr, item2, 2);
                        strtoken(linestr, item3, 3);
                        set_reg32(item2, strtoul(item3, NULL, 0));
                } else
                if (strcmp(item1, "pc") == 0) {  /* patch PC */
                        char item2[20];
 
                        strtoken(linestr, item2, 2);
                        pcnext = strtoul(item2, NULL, 0);
                } else
                if (strcmp(item1, "break") == 0) {       /* set/clear breakpoint */
                        char item2[20];
 
                        strtoken(linestr, item2, 2);
                        set_insnbrkpoint(strtoul(item2, NULL, 0));
                } else
                if (strcmp(item1, "r") == 0) {   /* dump regs */
                        dumpreg();
                } else
                if (strcmp(item1, "de") == 0) {  /* reset simulator */
                        debugmem();
                } else
                if (strcmp(item1, "reset") == 0) {       /* reset simulator */
                        uart_reset();
                        reset();
                } else
                if (strcmp(item1, "debug") == 0) {       /* debug mode */
                        config.simdebug ^= 1;
                } else
                if (strcmp(item1, "hist") == 0) {        /* dump history */
                        int i;
                        for(i = HISTEXEC_LEN; i; i--)
                                dumpmemory(histexec[i - 1], histexec[i - 1] + 4);
                        printf("\n");
                } else
                if (strcmp(item1, "run") == 0) { /* run */
                        char item2[20];
                        char item3[20];
 
                        strtoken(linestr, item2, 2);
                        strtoken(linestr, item3, 3);
                        if (strcmp(item3, "hush") == 0)
                                hush = 1;
                        else
                                hush = 0;
                        cont_run = strtoul(item2, NULL, 0);
                } else
                if (strcmp(item1, "stats") == 0) { /* stats */
                        char item2[20];
                        int i = 0;
 
                        strtoken(linestr, item2, 2);
                        if (strcmp(item2, "clear") == 0) {
                                initstats();
                                printf("Cleared.\n");
                        } else {
                                i = strtoul(item2, NULL, 0);
                                printstats(i);
                        }
                } else
                if (strcmp(item1, "info") == 0) { /* configuration info */
                        itlb_status(-1);
                        dtlb_status(-1);
                        bpb_info();
                        btic_info();
                        ic_info();
                        dc_info();
                        uart_status();
                        sprs_status();
                } else {
      printf("%s: Unknown command.\n", linestr);
    }
 
                while(cont_run) {
                        cont_run--;
                        fetch();
                        decode(&iqueue[0]);
                        execute();
                        uart_clock();
                        if (!hush)
                                dumpreg();
                }
 
                hush = 0;
                fflush(stdout);
                freopen("/dev/fd/0", "w+", stdout);
 
#ifdef HAVE_LIBREADLINE
    if (linestr)
      free (linestr);
#endif
 
        }
        exit(0);
}
 
#ifdef HAVE_LIBREADLINE
char *command_generator ();
char **sim_completion ();
 
/* Tell the GNU readline library how to complete.  We want to try to complete
   on command names if this is the first word in the line, or on filenames
   if not. */
void initialize_readline ()
{
  /* Allow conditional parsing of the ~/.inputrc file. */
  rl_readline_name = "or1ksim";
 
  /* Tell the completer that we want a crack first. */
  rl_attempted_completion_function = (CPPFunction *)sim_completion;
}
 
/* Attempt to complete on the contents of TEXT.  START and END bound the
   region of rl_line_buffer that contains the word to complete.  TEXT is
   the word to complete.  We can use the entire contents of rl_line_buffer
   in case we want to do some simple parsing.  Return the array of matches,
   or NULL if there aren't any. */
char **
sim_completion (text, start, end)
     char *text;
     int start, end;
{
  char **matches;
 
  matches = (char **)NULL;
 
  /* If this word is at the start of the line, then it is a command
     to complete.  Otherwise it is the name of a file in the current
     directory. */
  if (start == 0)
    matches = completion_matches (text, command_generator);
 
  return (matches);
}
 
/* Generator function for command completion.  STATE lets us know whether
   to start from scratch; without any state (i.e. STATE == 0), then we
   start at the top of the list. */
char *
command_generator (text, state)
     char *text;
     int state;
{
  static int list_index, len;
  char *name;
 
  /* If this is a new word to complete, initialize now.  This includes
     saving the length of TEXT for efficiency, and initializing the index
     variable to 0. */
  if (!state)
    {
      list_index = 0;
      len = strlen (text);
    }
 
  /* Return the next name which partially matches from the command list. */
  while (name = sim_commands[list_index])
    {
      list_index++;
 
      if (strncmp (name, text, len) == 0)
        return (dupstr(name));
    }
 
  /* If no names matched, then return NULL. */
  return ((char *)NULL);
}
 
char *
dupstr (s)
     char *s;
{
  char *r;
 
  r = xmalloc (strlen (s) + 1);
  strcpy (r, s);
  return (r);
}
 
/* Repeats the last command.  */
char *
repeat_last_command ()
{
  int offset = where_history ();
  HIST_ENTRY *hist;
 
  if (hist = history_get (offset))
    {
      return dupstr (hist->line);
    }
  return 0;
}
 
#endif
 
 
void debugmem() {
        int i;
        printf("starting to dump mem...\n");
        for(i=0; i<500; i++) {
                printf("i=%x :: ", i);
                if (mem[i].label)
                        printf("label: %s |", mem[i].label->name);
                printf("%s ", mem[i].insn->insn);
                if(strlen(mem[i].insn->op1) != 0) printf("%s ", mem[i].insn->op1);
                if(strlen(mem[i].insn->op2) != 0) printf("%s ", mem[i].insn->op2);
                if(strlen(mem[i].insn->op3) != 0) printf("%s ", mem[i].insn->op3);
                if(strlen(mem[i].insn->op4) != 0) printf("%s ", mem[i].insn->op4);
                printf("\n");
        }
}

Line No.	Rev	Author	Line
1	2	cvs	`/* toplevel.c -- Top level simulator source file`
2			`Copyright (C) 1999 Damjan Lampret, lampret@opencores.org`
3
4			`This file is part of OpenRISC 1000 Architectural Simulator.`
5
6			`This program is free software; you can redistribute it and/or modify`
7			`it under the terms of the GNU General Public License as published by`
8			`the Free Software Foundation; either version 2 of the License, or`
9			`(at your option) any later version.`
10
11			`This program is distributed in the hope that it will be useful,`
12			`but WITHOUT ANY WARRANTY; without even the implied warranty of`
13			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
14			`GNU General Public License for more details.`
15
16			`You should have received a copy of the GNU General Public License`
17			`along with this program; if not, write to the Free Software`
18			`Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */`
19
20			`/* Simulator commands. Help and version output. SIGINT processing.`
21			`Stdout redirection is specific to linux (I need to fix this). */`
22
23	16	jrydberg	`#include "config.h"`
24
25	2	cvs	`#include <stdio.h>`
26			`#include <ctype.h>`
27			`#include <string.h>`
28			`#include <stdlib.h>`
29	46	lampret	`#include <unistd.h>`
30	2	cvs	`#include <signal.h>`
31			`#include <stdarg.h>`
32
33	16	jrydberg	`#ifdef HAVE_LIBREADLINE`
34	7	jrydberg	`#include <readline/readline.h>`
35			`#include <readline/history.h>`
36	16	jrydberg	`#endif /* HAVE_LIBREADLINE */`
37	7	jrydberg
38	2	cvs	`#include "arch.h"`
39			`#include "parse.h"`
40			`#include "abstract.h"`
41			`#include "trace.h"`
42			`#include "execute.h"`
43	69	lampret	`#include "sim-config.h"`
44	2	cvs
45	28	lampret	`#include "coff.h"`
46
47	2	cvs	`/* CVS revision number. */`
48	86	lampret	`const char rcsrev[] = "$Revision: 1.13 $";`
49	2	cvs
50			`/* Continuos run versus single step tracing switch. */`
51			`int cont_run;`
52
53			`/* History of execution */`
54			`int histexec[HISTEXEC_LEN];`
55
56	7	jrydberg	`char *sim_commands [] = {`
57			`"q",`
58			`"t",`
59			`"help",`
60	21	cmchen	`"de",`
61	7	jrydberg	`"dm",`
62			`"run",`
63			`"pr",`
64			`"pm",`
65			`"pc",`
66	18	lampret	`"reset",`
67			`"break",`
68	7	jrydberg	`"hist",`
69			`"stats",`
70			`"info",`
71			`"r",`
72	54	lampret	`"dv",`
73	7	jrydberg
74			`};`
75
76	2	cvs	`void debug(const char *format, ...)`
77			`{`
78	7	jrydberg	`char *p;`
79			`va_list ap;`
80	2	cvs
81	69	lampret	`if (config.simdebug) {`
82			`if ((p = malloc(1000)) == NULL)`
83			`return;`
84			`va_start(ap, format);`
85			`(void) vsnprintf(p, 1000, format, ap);`
86			`va_end(ap);`
87			`printf("%s\n", p);`
88			`fflush(stdout);`
89			`free(p);`
90			`} else {`
91			`#if DEBUG`
92	7	jrydberg	`if ((p = malloc(1000)) == NULL)`
93			`return;`
94			`va_start(ap, format);`
95			`(void) vsnprintf(p, 1000, format, ap);`
96			`va_end(ap);`
97			`printf("%s\n", p);`
98			`fflush(stdout);`
99			`free(p);`
100	2	cvs	`#endif`
101	69	lampret	`}`
102	7	jrydberg	`return;`
103	2	cvs	`}`
104
105	30	lampret	`/* Strip whitespace from the start and end of STRING. Return a pointer`
106			`into STRING. */`
107			`#ifndef whitespace`
108			`#define whitespace(a) ((a) == '\t' ? 1 : ((a) == ' '? 1 : 0))`
109			`#endif`
110
111			`char *`
112			`stripwhite (string)`
113			`char *string;`
114			`{`
115			`register char s, t;`
116
117			`for (s = string; whitespace (*s); s++)`
118			`;`
119
120			`if (*s == 0)`
121			`return (s);`
122
123			`t = s + strlen (s) - 1;`
124			`while (t > s && whitespace (*t))`
125			`t--;`
126			`*++t = '\0';`
127
128			`return s;`
129			`}`
130
131	7	jrydberg	`void`
132			`ctrl_c(signum)`
133			`int signum;`
134	2	cvs	`{`
135			`cont_run = 1;`
136	7	jrydberg	`signal(SIGINT, ctrl_c);`
137	2	cvs	`}`
138
139	7	jrydberg	`void`
140			`version()`
141	2	cvs	`{`
142	7	jrydberg	`printf ("\n");`
143	18	lampret	`printf ("OpenRISC 1000 (OR16+OR32) Architectural Simulator, %s\n", rcsrev);`
144			`printf ("Copyright (C) 1999 Damjan Lampret, lampret@opencores.org\n");`
145			`printf ("Copyright (C) 2000 Damjan Lampret, lampret@opencores.org\n");`
146	21	cmchen	`printf (" Jimmy Chen-Min Chen, jimmy@ee.nctu.edu.tw\n");`
147	18	lampret	`printf (" Johan Rydberg, johan.rydberg@insight.se\n");`
148	7	jrydberg	`printf ("Visit http://www.opencores.org for more information about ");`
149			`printf ("OpenRISC 1000 and\nother open source cores.\n\n");`
150			`printf ("This software comes with ABSOLUTELY NO WARRANTY; for ");`
151			`printf ("details see COPYING.\nThis is free software, and you ");`
152			`printf ("are welcome to redistribute it under certain\nconditions; ");`
153			`printf ("for details see COPYING.\n");`
154	2	cvs	`}`
155
156	7	jrydberg	`void`
157			`help()`
158	2	cvs	`{`
159			`printf("q - quit simulator\n");`
160			`printf("r - display all registers\n");`
161			`printf("t - execute next instruction\n");`
162			`printf("run <cycles> [<hush>] - execute <cycles> instructions, no reg dump if hush\n");`
163			`printf("pr <r> <value> - patch register <r> with <value>\n");`
164			`printf("dm <fromaddr> [<toaddr>] - display memory from <fromaddr> to <toaddr>\n");`
165	21	cmchen	`printf("de - debug insn memory\n");`
166	2	cvs	`printf("pm <addr> <value> - patch memory location <addr> with <value>\n");`
167			`printf("pc <value> - patch PC register with <value>\n");`
168	18	lampret	`printf("break <addr> - toggle breakpoint at address <addr>\n");`
169			`printf("reset - simulator reset\n");`
170	2	cvs	`printf("hist - execution history\n");`
171	6	lampret	`printf("stats <num\|clear> - execution statistics num or clear it.\n");`
172			`printf("info - configuration info (caches etc.)\n");`
173	54	lampret	`printf("dv <fromaddr> [<toaddr>] [<modname>] - dumps memory as verilog (use redirect)\n");`
174	86	lampret	`printf("dh <fromaddr> [<toaddr>] - dumps memory as hex code (use redirect)\n");`
175	2	cvs	`printf("<cmd> > <filename> - redirect simulator stdout to <filename> (and not emulated printf)\n");`
176	69	lampret	`printf("debug - toggles simulator debug mode\n");`
177	2	cvs	`printf("help - available commands (this list)\n");`
178			`}`
179
180	21	cmchen	`void debugmem();`
181
182	7	jrydberg	`main(argc, argv)`
183			`int argc;`
184			`char *argv[];`
185	2	cvs	`{`
186	7	jrydberg	`char *linestr;`
187	16	jrydberg	`char item1[500], b2[500];`
188	2	cvs	`char *redirstr;`
189			`int hush;`
190	69	lampret	`unsigned long endaddr;`
191	2	cvs
192	7	jrydberg	`if (argc != 2)`
193			`{`
194			`printf("Usage: %s <filename>\n", argv[0]);`
195			`exit(-1);`
196			`}`
197
198	16	jrydberg	`#ifdef HAVE_LIBREADLINE`
199	7	jrydberg	`initialize_readline (); /* Bind our completer. */`
200	16	jrydberg	`#endif`
201
202	46	lampret	`srand(getpid());`
203	2	cvs	`version();`
204	6	lampret	`init_defconfig();`
205	2	cvs	`signal(SIGINT, ctrl_c);`
206			`initstats();`
207	69	lampret	`memset(mem, 0, sizeof(mem));`
208			`endaddr = loadcode(argv[1], MEMORY_START, 0);`
209			`if (endaddr == -1) {`
210			`printf("Problems loading boot code.\n");`
211			`exit(1);`
212			`}`
213	30	lampret	`uart_reset();`
214	2	cvs	`reset();`
215	69	lampret	`set_reg32("r3", endaddr);`
216	7	jrydberg
217			`while(1)`
218			`{`
219	16	jrydberg	`#ifdef HAVE_LIBREADLINE`
220	7	jrydberg	`linestr = readline("(sim) ");`
221	16	jrydberg	`#else`
222			`printf ("(sim) ");`
223			`linestr = fgets(b2, sizeof b2, stdin);`
224			`#endif`
225	7	jrydberg
226			`if (!linestr)`
227			`{`
228			`break;`
229			`}`
230			`linestr = stripwhite (linestr);`
231
232	16	jrydberg	`#ifdef HAVE_LIBREADLINE`
233	7	jrydberg	`if (strlen(linestr) == 0)`
234			`{`
235			`char *l = repeat_last_command ();`
236
237			`if (l)`
238			`{`
239			`free (linestr);`
240			`linestr = l;`
241			`}`
242			`}`
243
244			`if (*linestr)`
245			`{`
246			`add_history (linestr);`
247			`}`
248	16	jrydberg	`#endif /* HAVE_LIBREADLINE */`
249	2	cvs
250	7	jrydberg	`if (redirstr = strstr(linestr, ">"))`
251			`{`
252			`*redirstr = '\0';`
253			`strtoken(&redirstr[1], item1, 1);`
254			`freopen(item1, "w+", stdout);`
255			`}`
256	2	cvs
257			`strtoken(linestr, item1, 1);`
258			`if (strcmp(item1, "q") == 0) /* quit */`
259			`exit(0);`
260			`else`
261			`if (strcmp(item1, "help") == 0) /* help */`
262			`help();`
263			`else`
264			`if (strcmp(item1, "t") == 0) { /* trace */`
265			`cont_run = 1;`
266			`} else`
267			`if (strcmp(item1, "dm") == 0) { /* dump memory */`
268			`char item2[20];`
269			`char item3[20];`
270			`static int from = 0, to = 0;`
271
272			`strtoken(linestr, item2, 2);`
273			`strtoken(linestr, item3, 3);`
274
275			`if (strlen(item2)) {`
276			`if (item2[0] == '_')`
277			`from = eval_label(item2);`
278			`else`
279			`from = strtoul(item2, NULL, 0);`
280			`to = from + 0x40;`
281			`}`
282			`if (strlen(item3))`
283			`to = strtoul(item3, NULL, 0);`
284			`dumpmemory(from, to);`
285	54	lampret	`printf("\n");`
286	2	cvs	`} else`
287	54	lampret	`if (strcmp(item1, "dv") == 0) {/* dump memory as verilog*/`
288			`char item2[20];`
289			`char item3[20];`
290			`char item4[20];`
291			`static int from = 0, to = 0;`
292
293			`strtoken(linestr, item2, 2);`
294			`strtoken(linestr, item3, 3);`
295			`strtoken(linestr, item4, 4);`
296
297			`if (strlen(item2)) {`
298			`if (item2[0] == '_')`
299			`from = eval_label(item2);`
300			`else`
301			`from = strtoul(item2, NULL, 0);`
302			`to = from + 0x40;`
303			`}`
304			`if (strlen(item3))`
305			`to = strtoul(item3, NULL, 0);`
306			`if (!strlen(item4))`
307			`strcpy(item4, "or1k_mem");`
308			`dumpverilog(item4, from, to);`
309			`printf("\n");`
310			`} else`
311	86	lampret	`if (strcmp(item1, "dh") == 0) {/* dump memory as hex*/`
312			`char item2[20];`
313			`char item3[20];`
314			`static int from = 0, to = 0;`
315
316			`strtoken(linestr, item2, 2);`
317			`strtoken(linestr, item3, 3);`
318
319			`if (strlen(item2)) {`
320			`if (item2[0] == '_')`
321			`from = eval_label(item2);`
322			`else`
323			`from = strtoul(item2, NULL, 0);`
324			`to = from + 0x40;`
325			`}`
326			`if (strlen(item3))`
327			`to = strtoul(item3, NULL, 0);`
328			`dumphex(from, to);`
329			`printf("\n");`
330			`} else`
331	2	cvs	`if (strcmp(item1, "pm") == 0) { /* patch memory */`
332			`char item2[20];`
333			`char item3[20];`
334			`static int addr = 0;`
335
336			`strtoken(linestr, item2, 2);`
337			`strtoken(linestr, item3, 3);`
338			`if (strlen(item2))`
339			`if (item2[0] == '_')`
340			`addr = eval_label(item2);`
341			`else`
342			`addr = strtoul(item2, NULL, 0);`
343			`set_mem32(addr, strtoul(item3, NULL, 0));`
344			`} else`
345			`if (strcmp(item1, "pr") == 0) { /* patch regs */`
346			`char item2[20];`
347			`char item3[20];`
348
349			`strtoken(linestr, item2, 2);`
350			`strtoken(linestr, item3, 3);`
351			`set_reg32(item2, strtoul(item3, NULL, 0));`
352			`} else`
353			`if (strcmp(item1, "pc") == 0) { /* patch PC */`
354			`char item2[20];`
355
356			`strtoken(linestr, item2, 2);`
357	86	lampret	`pcnext = strtoul(item2, NULL, 0);`
358	2	cvs	`} else`
359	7	jrydberg	`if (strcmp(item1, "break") == 0) { /* set/clear breakpoint */`
360	2	cvs	`char item2[20];`
361
362			`strtoken(linestr, item2, 2);`
363			`set_insnbrkpoint(strtoul(item2, NULL, 0));`
364			`} else`
365			`if (strcmp(item1, "r") == 0) { /* dump regs */`
366			`dumpreg();`
367			`} else`
368	21	cmchen	`if (strcmp(item1, "de") == 0) { /* reset simulator */`
369			`debugmem();`
370			`} else`
371	18	lampret	`if (strcmp(item1, "reset") == 0) { /* reset simulator */`
372	30	lampret	`uart_reset();`
373	18	lampret	`reset();`
374			`} else`
375	69	lampret	`if (strcmp(item1, "debug") == 0) { /* debug mode */`
376			`config.simdebug ^= 1;`
377			`} else`
378	2	cvs	`if (strcmp(item1, "hist") == 0) { /* dump history */`
379			`int i;`
380			`for(i = HISTEXEC_LEN; i; i--)`
381			`dumpmemory(histexec[i - 1], histexec[i - 1] + 4);`
382	46	lampret	`printf("\n");`
383	2	cvs	`} else`
384			`if (strcmp(item1, "run") == 0) { /* run */`
385			`char item2[20];`
386			`char item3[20];`
387
388			`strtoken(linestr, item2, 2);`
389			`strtoken(linestr, item3, 3);`
390			`if (strcmp(item3, "hush") == 0)`
391			`hush = 1;`
392			`else`
393			`hush = 0;`
394			`cont_run = strtoul(item2, NULL, 0);`
395			`} else`
396			`if (strcmp(item1, "stats") == 0) { /* stats */`
397	6	lampret	`char item2[20];`
398			`int i = 0;`
399
400			`strtoken(linestr, item2, 2);`
401			`if (strcmp(item2, "clear") == 0) {`
402			`initstats();`
403			`printf("Cleared.\n");`
404			`} else {`
405			`i = strtoul(item2, NULL, 0);`
406			`printstats(i);`
407			`}`
408			`} else`
409			`if (strcmp(item1, "info") == 0) { /* configuration info */`
410	78	lampret	`itlb_status(-1);`
411			`dtlb_status(-1);`
412	6	lampret	`bpb_info();`
413			`btic_info();`
414			`ic_info();`
415			`dc_info();`
416	30	lampret	`uart_status();`
417			`sprs_status();`
418	7	jrydberg	`} else {`
419			`printf("%s: Unknown command.\n", linestr);`
420			`}`
421	2	cvs
422			`while(cont_run) {`
423			`cont_run--;`
424			`fetch();`
425			`decode(&iqueue[0]);`
426			`execute();`
427	30	lampret	`uart_clock();`
428	2	cvs	`if (!hush)`
429			`dumpreg();`
430			`}`
431
432			`hush = 0;`
433			`fflush(stdout);`
434			`freopen("/dev/fd/0", "w+", stdout);`
435
436	16	jrydberg	`#ifdef HAVE_LIBREADLINE`
437	7	jrydberg	`if (linestr)`
438			`free (linestr);`
439	16	jrydberg	`#endif`
440	7	jrydberg
441	2	cvs	`}`
442			`exit(0);`
443			`}`
444	7	jrydberg
445	16	jrydberg	`#ifdef HAVE_LIBREADLINE`
446	7	jrydberg	`char *command_generator ();`
447			`char **sim_completion ();`
448
449			`/* Tell the GNU readline library how to complete. We want to try to complete`
450			`on command names if this is the first word in the line, or on filenames`
451			`if not. */`
452			`void initialize_readline ()`
453			`{`
454			`/* Allow conditional parsing of the ~/.inputrc file. */`
455			`rl_readline_name = "or1ksim";`
456
457			`/* Tell the completer that we want a crack first. */`
458			`rl_attempted_completion_function = (CPPFunction *)sim_completion;`
459			`}`
460
461			`/* Attempt to complete on the contents of TEXT. START and END bound the`
462			`region of rl_line_buffer that contains the word to complete. TEXT is`
463			`the word to complete. We can use the entire contents of rl_line_buffer`
464			`in case we want to do some simple parsing. Return the array of matches,`
465			`or NULL if there aren't any. */`
466			`char **`
467			`sim_completion (text, start, end)`
468			`char *text;`
469			`int start, end;`
470			`{`
471			`char **matches;`
472
473			`matches = (char **)NULL;`
474
475			`/* If this word is at the start of the line, then it is a command`
476			`to complete. Otherwise it is the name of a file in the current`
477			`directory. */`
478			`if (start == 0)`
479			`matches = completion_matches (text, command_generator);`
480
481			`return (matches);`
482			`}`
483
484			`/* Generator function for command completion. STATE lets us know whether`
485			`to start from scratch; without any state (i.e. STATE == 0), then we`
486			`start at the top of the list. */`
487			`char *`
488			`command_generator (text, state)`
489			`char *text;`
490			`int state;`
491			`{`
492			`static int list_index, len;`
493			`char *name;`
494
495			`/* If this is a new word to complete, initialize now. This includes`
496			`saving the length of TEXT for efficiency, and initializing the index`
497			`variable to 0. */`
498			`if (!state)`
499			`{`
500			`list_index = 0;`

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[/] [or1k/] [tags/] [tn_m001/] [or1ksim/] [toplevel.c] - Blame information for rev 86