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sim-config.c
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sim-config.c
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/* sim-config.c -- Simulator configuration
Copyright (C) 1999 Damjan Lampret, [email protected]
Copyright (C) 2008 Embecosm Limited
Contributor Jeremy Bennett <[email protected]>
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 3 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, see <http://www.gnu.org/licenses/>. */
/* This program is commented throughout in a fashion suitable for processing
with Doxygen. */
/* Simulator configuration. Eventually this one will be a lot bigger. Updated
to use argtable2 for argument parsing. */
/* Autoconf and/or portability configuration */
#include "config.h"
#include "port.h"
/* System includes */
#include <stdlib.h>
/* Package includes */
#include "sim-config.h"
#include "vapi.h"
#include "cuc.h"
#include "cpu-config.h"
#include "memory.h"
#include "dmmu.h"
#include "immu.h"
#include "dcache-model.h"
#include "icache-model.h"
#include "pic.h"
#include "pm.h"
#include "pcu.h"
#include "branch-predict.h"
#include "debug-unit.h"
#include "mc.h"
#include "16450.h"
#include "dma.h"
#include "eth.h"
#include "gpio.h"
#include "vga.h"
#include "fb.h"
#include "ps2kbd.h"
#include "atahost.h"
#include "generic.h"
#include "execute.h"
#include "spr-defs.h"
#include "debug.h"
#include "jtag.h"
#include "misc.h"
#include "argtable2.h"
/*! A structure used to represent possible parameters in a section. */
struct config_param
{
char *name; /* param name */
enum param_t type; /* param type */
void (*func) (union param_val val, /* Setter function */
void *dat);
struct config_param *next; /* Next param in list */
}; /* struct config_param */
/*! Config file line count */
static int line_number;
/*! The global configuration data structure */
struct config config;
/*! The global runtime status data structure */
struct runtime runtime;
/*! Master list of sections it is possible to configure. */
static struct config_section *section_master_list = NULL;
/* -------------------------------------------------------------------------- */
/*!Register a parameter for a section
Add a new parameter to the list of parameters that may be set for a given
section.
@param[in] sec The section containing the parameter.
@param[in] param Name of the parameter
@param[in] type Type of the parameter
@param[in] param_cb Call back function to set this parameter. */
/* -------------------------------------------------------------------------- */
void
reg_config_param (struct config_section *sec,
const char *param,
enum param_t type,
void (*param_cb) (union param_val,
void *))
{
struct config_param *new = malloc (sizeof (struct config_param));
if (!new)
{
fprintf (stderr, "ERROR: Out-of-memory allocating parameter: exiting,\n");
exit (1);
}
if (!(new->name = strdup (param)))
{
fprintf (stderr, "ERROR: Out-of-memory allocating parameter name: "
"exiting,\n");
exit (1);
}
/* Set up the parameter */
new->func = param_cb;
new->type = type;
/* Insert on head of list */
new->next = sec->params;
sec->params = new;
} /* reg_config_param () */
/* -------------------------------------------------------------------------- */
/*!Register a new section.
Add a new section to the list of sections that may be found in a config
file.
@param[in] section The name of the new section.
@param[in] sec_start Function to call at start of section configuration
(or NULL if none)
@param[in] sec_end Function to call at end of section configuration
(or NULL if none). Returns pointer to an arbitrary
data structure.
@return A pointer to the section data structure for the new section. */
/* -------------------------------------------------------------------------- */
struct config_section *
reg_config_sec (const char *section,
void *(*sec_start) (void),
void (*sec_end) (void *))
{
struct config_section *new = malloc (sizeof (struct config_section));
if (!new)
{
fprintf (stderr, "ERROR: Out-of-memory allocating section: exiting,\n");
exit (1);
}
if (!(new->name = strdup (section)))
{
fprintf (stderr, "ERROR: Out-of-memory allocating section name: "
"exiting,\n");
exit (1);
}
/* Set up the section */
new->next = section_master_list;
new->sec_start = sec_start;
new->sec_end = sec_end;
new->params = NULL;
/* Insert the section */
section_master_list = new;
return new;
} /* reg_config_sec () */
/* -------------------------------------------------------------------------- */
/*!Look up a section
Given a section name, return the data structure describing that section.
@param[in] name The section to look for.
@return A pointer to the section config data structure, or NULL if the
section is not found */
/* -------------------------------------------------------------------------- */
static struct config_section *
lookup_section (char *name)
{
struct config_section *cur = NULL;
for (cur = section_master_list; NULL != cur; cur = cur->next)
{
if (strcmp (cur->name, name) == 0)
{
break;
}
}
return cur;
} /* lookup_section () */
/* -------------------------------------------------------------------------- */
/*!Look up a parameter for a section
Given a parameter name and a section data structure, return the data
structure describing that parameter
@param[in] name The parameter to look for.
@param[in] sec The section containing the parameter.
@return A pointer to the parameter config data structure, or NULL if the
parameter is not found */
/* -------------------------------------------------------------------------- */
static struct config_param *
lookup_param (char *name,
struct config_section *sec)
{
struct config_param *param = NULL;
for (param = sec->params; NULL != param; param = param->next)
{
if (strcmp (param->name, name) == 0)
{
break;
}
}
return param;
} /* lookup_param () */
/* -------------------------------------------------------------------------- */
/*!Set default configuration parameters for fixed components
These values are held in the global config variable. Parameter orders
match the order in the corresponding section registration function and
documentation.
Also set some starting values for runtime elements. */
/* -------------------------------------------------------------------------- */
void
init_defconfig ()
{
int set_bits; /* Temporaries for computing bit fields */
int way_bits;
memset (&config, 0, sizeof (config));
/* External linkage disabled here. */
config.ext.class_ptr = NULL;
config.ext.read_up = NULL;
config.ext.write_up = NULL;
/* Sim */
config.sim.is_library = 0; /* Not library operation */
config.sim.verbose = 0;
config.sim.debug = 0;
config.sim.profile = 0;
config.sim.prof_fn = strdup ("sim.profile");
config.sim.mprofile = 0;
config.sim.mprof_fn = strdup ("sim.mprofile");
config.sim.history = 0;
config.sim.exe_log = 0;
config.sim.exe_log_type = EXE_LOG_HARDWARE;
config.sim.exe_log_start = 0;
config.sim.exe_log_end = 0;
config.sim.exe_log_marker = 0;
config.sim.exe_log_fn = strdup ("executed.log");
config.sim.exe_bin_insn_log = 0;
config.sim.exe_bin_insn_log_fn = strdup ("exe-insn.bin");
config.sim.clkcycle_ps = 4000; /* 4000 for 4ns (250MHz) */
/* Debug */
config.debug.jtagcycle_ps = 40000; /* 40000 for 40ns (25MHz) */
/* VAPI */
config.vapi.enabled = 0;
config.vapi.server_port = 50000;
config.vapi.log_enabled = 0;
config.vapi.hide_device_id = 0;
config.vapi.vapi_fn = strdup ("vapi.log");
/* CUC */
config.cuc.calling_convention = 1;
config.cuc.enable_bursts = 1;
config.cuc.no_multicycle = 1;
config.cuc.memory_order = MO_STRONG;
config.cuc.timings_fn = strdup ("virtex.tim");
/* CPU */
cpu_state.sprs[SPR_VR] = 0;
cpu_state.sprs[SPR_UPR] = SPR_UPR_UP | SPR_UPR_TTP;
cpu_state.sprs[SPR_SR] = SPR_SR_FO | SPR_SR_SM;
#ifndef OR32_NODELAY
cpu_state.sprs[SPR_CPUCFGR] = SPR_CPUCFGR_OB32S;
#else
cpu_state.sprs[SPR_CPUCFGR] = SPR_CPUCFGR_OB32S | SPR_CPUCFGR_ND;
#endif
config.cpu.superscalar = 0;
config.cpu.hazards = 0;
config.cpu.dependstats = 0;
config.cpu.sbuf_len = 0;
config.cpu.hardfloat = 0;
/* Data cache (IC is set dynamically). Also set relevant SPR bits */
config.dc.enabled = 0;
config.dc.nsets = 1;
config.dc.nways = 1;
config.dc.blocksize = 1;
config.dc.ustates = 2;
config.dc.load_hitdelay = 2;
config.dc.load_missdelay = 2;
config.dc.store_hitdelay = 0;
config.dc.store_missdelay = 0;
if (config.dc.enabled)
{
cpu_state.sprs[SPR_UPR] |= SPR_UPR_DCP;
}
else
{
cpu_state.sprs[SPR_UPR] &= ~SPR_UPR_DCP;
}
set_bits = log2_int (config.dc.nsets);
cpu_state.sprs[SPR_DCCFGR] &= ~SPR_DCCFGR_NCS;
cpu_state.sprs[SPR_DCCFGR] |= set_bits << SPR_DCCFGR_NCS_OFF;
way_bits = log2_int (config.dc.nways);
cpu_state.sprs[SPR_DCCFGR] &= ~SPR_DCCFGR_NCW;
cpu_state.sprs[SPR_DCCFGR] |= way_bits << SPR_DCCFGR_NCW_OFF;
if (MIN_DC_BLOCK_SIZE == config.dc.blocksize)
{
cpu_state.sprs[SPR_DCCFGR] &= ~SPR_DCCFGR_CBS;
}
else
{
cpu_state.sprs[SPR_DCCFGR] |= SPR_DCCFGR_CBS;
}
/* Power management */
config.pm.enabled = 0;
if (config.pm.enabled)
{
cpu_state.sprs[SPR_UPR] |= SPR_UPR_PMP;
}
else
{
cpu_state.sprs[SPR_UPR] &= ~SPR_UPR_PMP;
}
/* Programmable Interrupt Controller */
config.pic.enabled = 0;
config.pic.edge_trigger = 1;
config.pic.use_nmi = 1;
if (config.pic.enabled)
{
cpu_state.sprs[SPR_UPR] |= SPR_UPR_PICP;
}
else
{
cpu_state.sprs[SPR_UPR] &= ~SPR_UPR_PICP;
}
/* Performance Counters Unit */
config.pcu.enabled = 0;
/* Branch Prediction */
config.bpb.enabled = 0;
config.bpb.btic = 0;
config.bpb.sbp_bnf_fwd = 0;
config.bpb.sbp_bf_fwd = 0;
config.bpb.missdelay = 0;
config.bpb.hitdelay = 0;
/* Debug */
config.debug.enabled = 0;
config.debug.rsp_enabled = 0;
config.debug.rsp_port = 51000;
config.debug.vapi_id = 0;
cpu_state.sprs[SPR_DCFGR] = SPR_DCFGR_WPCI |
MATCHPOINTS_TO_NDP (MAX_MATCHPOINTS);
if (config.debug.enabled)
{
cpu_state.sprs[SPR_UPR] |= SPR_UPR_DUP;
}
else
{
cpu_state.sprs[SPR_UPR] &= ~SPR_UPR_DUP;
}
/* Configure runtime */
memset (&runtime, 0, sizeof (runtime));
/* Sim */
runtime.sim.fexe_log = NULL;
runtime.sim.iprompt = 0;
runtime.sim.fprof = NULL;
runtime.sim.fmprof = NULL;
runtime.sim.fout = stdout;
/* Debug */
runtime.debug.instr = JI_UNDEFINED;
runtime.debug.mod_id = JM_UNDEFINED;
runtime.debug.write_defined_p = 0; /* No WRITE_COMMAND yet */
/* NPC state. Set to 1 when NPC is changed while the processor is stalled. */
cpu_state.npc_not_valid = 0;
/* VAPI */
runtime.vapi.vapi_file = NULL;
runtime.vapi.enabled = 0;
} /* init_defconfig() */
/* -------------------------------------------------------------------------- */
/*!Set a configuration parameter.
We have a string representing the value, and a data structure representing
the particular parameter. Break out the value and call the setter function
to set its value in the section.
The value text is guaranteed to have no leading or trailing whitespace.
@param[in] cur_section Spec of the section currently being configured.
@param[in] param Spec of the parameter we are setting.
@param[in] val_text The parameter value text */
/* -------------------------------------------------------------------------- */
static void
set_config_param (struct config_section *cur_section,
struct config_param *param,
char *val_text)
{
union param_val val;
/* Break out the different parameter types */
switch (param->type)
{
case PARAMT_NONE:
break;
case PARAMT_INT:
val.int_val = strtol (val_text, NULL, 0);
break;
case PARAMT_LONGLONG:
val.longlong_val = strtoll (val_text, NULL, 0);
break;
case PARAMT_ADDR:
val.addr_val = strtoul (val_text, NULL, 0);
break;
case PARAMT_WORD:
case PARAMT_STR:
/* Word and string are the same thing by now. */
val.str_val = val_text;
break;
}
/* Call the setter function */
param->func (val, cur_section->dat);
} /* set_config_param () */
/* -------------------------------------------------------------------------- */
/*!Scan the next word, skipping any preceding space.
A word is anything that is not white space, except where the white space is
within quotation marks. Return the number of newlines we have to skip.
@param[in] f The file handle to read from
@param[in] word A buffer in which to store the word.
@return The text of the next entity or NULL at end of file. Note strings
have their quotation marks removed. */
/* -------------------------------------------------------------------------- */
static char *
next_word (FILE *f,
char word[])
{
int c;
int i;
/* Skip the whitespace */
do
{
c = fgetc (f);
line_number += ('\n' == c) ? 1: 0;
}
while ((EOF != c) && isspace (c));
/* Get the word> Special treatment if it is a string. */
if ('"' == c)
{
/* We have a string. Skip the opening quote. */
c = fgetc (f);
for (i = 0; i < (STR_SIZE - 1); i++)
{
if ('"' == c)
{
c = fgetc (f); /* So ungetc works */
break; /* End of the string */
}
else if ('\n' == c)
{
line_number++;
}
else if (EOF == c)
{
fprintf (stderr, "ERROR: EOF in middle of string: exiting.\n");
exit (1);
}
word[i] = c;
c = fgetc (f);
}
/* Skip the closing quote */
c = fgetc (f);
}
else
{
/* We have a space delimited word */
for (i = 0; i < (STR_SIZE - 1); i++)
{
if ((EOF == c) || isspace (c))
{
break; /* End of the word */
}
word[i] = c;
c = fgetc (f);
}
}
word[i] = '\0'; /* Terminate the word */
if ((STR_SIZE - 1) == i)
{
word[10]= '\0';
fprintf (stderr,
"ERROR: Symbol beginning %s on line %d too long: exiting.\n",
word, line_number);
exit (1);
}
ungetc (c, f); /* Ready for next time */
return (0 == i) ? NULL : word;
} /* next_word () */
/* -------------------------------------------------------------------------- */
/*!Read the next lexeme from the a config file.
At this stage we are just breaking things out into space delimited
entities, stripping out comments.
@param[in] f The file handle to read from
@param[in] lexeme A buffer in which to store the lexeme.
@return The text of the next entity or NULL at end of file. */
/* -------------------------------------------------------------------------- */
static char *
next_lexeme (FILE *f,
char lexeme[])
{
if (NULL == next_word (f, lexeme))
{
return NULL;
}
/* Skip any comments */
while (0 ==strncmp (lexeme, "/*", 2))
{
/* Look for the closing '*' and '/'. */
char c0 = '\0';
char c1 = '\0';
while (('*' != c0) || ('/' != c1))
{
c0 = c1;
c1 = fgetc (f);
line_number += ('\n' == c1) ? 1 : 0;
/* We assume if we hit EOF we have a serious problem and die. */
if (feof (f))
{
fprintf (stderr, "ERROR: Comment reached EOF.\n");
exit (1);
}
}
/* Get the next lexeme */
if (NULL == next_word (f, lexeme))
{
return NULL;
}
}
return lexeme;
} /* next_lexeme () */
/* -------------------------------------------------------------------------- */
/*!Read configuration from a script file.
The syntax of script file is:
[section x
[param [=] value]+
end]*
Example:
section mc
enabled = 1
POC = 0x47892344
end
The config file is searched for first in the local directory, then in
${HOME}/.or1ksim, then (for backwards compatibility) in ${HOME}/.or1ksim.
If the file is not found, then a rude message is printed. The system will
just use default values.
@param[in] filename The configuration file to use. */
/* -------------------------------------------------------------------------- */
static void
read_script_file (const char *filename)
{
FILE *f;
char *home = getenv ("HOME");
char ctmp1[STR_SIZE];
char ctmp2[STR_SIZE];
char *dir;
/* Attempt to open the config file. If we fail, give up with a rude
message. */
sprintf (ctmp1, "%s/.or1ksim/%s", home, filename);
sprintf (ctmp2, "%s/.or1k/%s", home, filename);
if (NULL != (f = fopen (filename, "r")))
{
dir = ".";
}
else if (home && (NULL != (f = fopen (ctmp1, "r"))))
{
dir = ctmp1;
}
else if (home && (NULL != (f = fopen (ctmp2, "r"))))
{
dir = ctmp2;
}
else
{
fprintf (stderr, "Warning: Failed to open script file \"%s\". Ignored.\n",
filename);
return;
}
/* Log the config file we have just opened if required. */
if (config.sim.verbose)
{
PRINTF ("Reading script file from \"%s/%s\"...\n", dir, filename);
}
/* Process the config file. */
char lexeme[STR_SIZE]; /* Next entity from the input */
int in_section_p = 0; /* Are we processing a section */
struct config_section *cur_section = NULL; /* Section being processed */
line_number = 1;
while (NULL != next_lexeme (f, lexeme))
{
/* Get the next symbol. Four possibilities.
1. It's "section". Only if we are not currently in a section. Process
the start of a section.
2. It's "end". Only if we are currently in a section. Process the end
of a section.
3. Anything else while we are in a section. Assume it is a parameter
for the current section.
4. Anything else. An error.
*/
if (!in_section_p && (0 == strcmp (lexeme, "section")))
{
/* We have the start of a section */
if (NULL == next_lexeme (f, lexeme))
{
fprintf (stderr, "ERROR: %s/%s: Section name required at line "
"%d. Exiting\n", dir, filename, line_number);
exit (1);
}
cur_section = lookup_section (lexeme);
if (NULL != cur_section)
{
/* Valid section, run its startup code, with any data saved. */
cur_section->dat = NULL;
if (cur_section->sec_start)
{
cur_section->dat = cur_section->sec_start ();
}
in_section_p = 1; /* Now in a section */
}
else
{
/* Skip an unrecognized section with a warning. */
fprintf (stderr, "Warning: %s/%s: Unrecognized section: %s at "
"line %d: ignoring.\n", dir, filename, lexeme,
line_number);
/* just skip section */
while (NULL != next_lexeme (f, lexeme))
{
if (strcmp (lexeme, "end"))
{
break;
}
}
}
}
else if (in_section_p && strcmp (lexeme, "end") == 0)
{
/* End of section. Run the end of section code */
if (cur_section->sec_end)
{
cur_section->sec_end (cur_section->dat);
}
in_section_p = 0; /* Not in a section any more */
}
else if (in_section_p)
{
/* We're in a section, so this must be a parameter. */
struct config_param *param;
char *param_val;
param = lookup_param (lexeme, cur_section);
/* If we didn't recognize, then warn and skip to end of line/file) */
if (NULL == param)
{
fprintf (stderr, "Warning: %s/%s: Unrecognized parameter: %s at "
"line %d; ignored.\n", dir, filename, lexeme,
line_number);
/* Skip to end of line */
while (( '\n' != fgetc (f)) || feof (f))
;
line_number++;
continue; /* Start looking again */
}
/* Get the argument if one is expected. */
if (PARAMT_NONE != param->type)
{
param_val = next_lexeme (f, lexeme);
if (NULL == param_val)
{
fprintf (stderr, "Warning: %s/%s: No argument to parameter "
"%s at line %d; ignored.\n", dir, filename,
param->name, line_number);
/* Skip to end of line */
while (( '\n' != fgetc (f)) || feof (f))
;
line_number++;
continue; /* Start looking again */
}
/* We allow an optional '=' */
if (0 == strcmp (lexeme, "="))
{
param_val = next_lexeme (f, lexeme);
if (NULL == param_val)
{
fprintf (stderr, "Warning: %s/%s: No argument to "
"parameter %s at line %d; ignored.\n", dir,
filename, param->name, line_number);
/* Skip to end of line */
while (( '\n' != fgetc (f)) || feof (f))
;
line_number++;
continue; /* Start looking again */
}
}
}
else
{
/* No argument */
param_val = NULL;
}
/* Apply the parameter */
set_config_param (cur_section, param, param_val);
}
else
{
/* We're not in a section, so we don't know what we have */
fprintf (stderr, "Warning: %s/%s: Unrecognized config file contents "
" at line %d: ignored.\n", dir, filename, line_number);
/* Skip to end of line */
while (( '\n' != fgetc (f)) || feof (f))
;
line_number++;
continue; /* Start looking again */
}
}
fclose (f); /* All done */
} /* read_script_file () */
/*---------------------------------------------------------------------------*/
/*!Allocate a memory block
We can request a block of memory be allocated from the command line, rather
than in a configuration file. It will be allocated, starting at address
zero.
The memory size may be presented in any format recognized by strtol,
optionally followed by "G" or "g", "M" or "m" or "K" or "k" for giga, mega
and kilo bytes respectively, and leading to mutliplcation by 2^30, 2^20 and
2^10 respectively.
This is intended for simple use of the simulator in tool chain
verification, where the detailed memory behavior does not matter.
@param[in] size Memory size. */
/*---------------------------------------------------------------------------*/
static void
alloc_memory_block (const char *size)
{
/* Sort out the memory size. */
unsigned long int multiplier;
int last_ch = strlen (size) - 1;
switch (size[last_ch])
{
case 'G': case 'g': multiplier = 0x40000000UL; break;
case 'M': case 'm': multiplier = 0x100000UL; break;
case 'K': case 'k': multiplier = 0x400UL; break;
default: multiplier = 0x1UL; break;
}
unsigned long int mem_size = strtoul (size, NULL, 0) * multiplier;
if (0 == mem_size)
{
fprintf (stderr, "Warning: Memory size %s not recognized: ignored.\n",
size);
return;
}
if (mem_size > 0xffffffff)
{
fprintf (stderr, "Warning: Memory size %s too large: ignored.\n",
size);
return;
}
/* Turn the memory size back into a decimal string and allocate it */
char str_size[11];
sprintf (str_size, "%lu\n", mem_size);
struct config_section *sec = lookup_section ("memory");
sec->dat = sec->sec_start ();
set_config_param (sec, lookup_param ("name", sec), "Default RAM");
set_config_param (sec, lookup_param ("type", sec), "unknown");
set_config_param (sec, lookup_param ("baseaddr", sec), "0");
set_config_param (sec, lookup_param ("size", sec), str_size);
sec->sec_end (sec->dat);
if (config.sim.verbose)
{
PRINTF ("Memory block of 0x%lx bytes allocated\n", mem_size);
}
} /* alloc_memory_block () */
/*---------------------------------------------------------------------------*/
/*! Parse the arguments for the standalone simulator
Updated by Jeremy Bennett to use argtable2.
@param[in] argc Number of command args
@param[in] argv Vector of the command args
@return 0 on success, 1 on failure */
/*---------------------------------------------------------------------------*/
int
parse_args (int argc, char *argv[])
{
struct arg_lit *vercop;
struct arg_lit *help;
struct arg_file *cfg_file;
struct arg_lit *nosrv;
struct arg_int *srv;
struct arg_str *mem;
struct arg_str *dbg;
struct arg_lit *command;
struct arg_lit *quiet;
struct arg_lit *verbose;
struct arg_lit *trace;
struct arg_lit *trace_phy;
struct arg_lit *trace_virt;
struct arg_lit *report_mem_errs;
struct arg_lit *strict_npc;
struct arg_lit *profile;
struct arg_lit *mprofile;
struct arg_file *load_file;
struct arg_end *end;
/* Specify each argument, with fall back values */
vercop = arg_lit0 ("v", "version", "version and copyright notice");
help = arg_lit0 ("h", "help", "print this help message");
cfg_file = arg_file0 ("f", "file", "<file>",
"config file (default \"sim.cfg\")");
cfg_file->filename[0] = "sim.cfg";
nosrv = arg_lit0 (NULL, "nosrv", "do not launch debug server");
srv = arg_int0 (NULL, "srv", "<n>",
"launch debug server on port (default random)");
srv->ival[0] = random () % (65536 - 49152) + 49152;
srv->hdr.flag |= ARG_HASOPTVALUE;
mem = arg_str0 ("m", "memory", "<n>", "add memory block of <n> bytes");
dbg = arg_str0 ("d", "debug-config", "<str>", "Debug config string");
command = arg_lit0 ("i", "interactive", "launch interactive prompt");
quiet = arg_lit0 ("q", "quiet", "minimal message output");
verbose = arg_lit0 ("V", "verbose", "verbose message output");
trace = arg_lit0 ("t", "trace", "trace each instruction");
trace_phy = arg_lit0 (NULL, "trace-physical",
"show physical instruction address when tracing");
trace_virt = arg_lit0 (NULL, "trace-virtual",
"show virtual instruction address when tracing");
report_mem_errs = arg_lit0 (NULL, "report-memory-errors",
"Report out of memory accesses");
strict_npc = arg_lit0 (NULL, "strict-npc", "setting NPC flushes pipeline");
profile = arg_lit0 (NULL, "enable-profile", "enable profiling");
mprofile = arg_lit0 (NULL, "enable-mprofile", "enable memory profiling");
load_file = arg_file0 (NULL, NULL, "<file>", "OR32 executable");
end = arg_end (20);
/* The argument table */
void *argtab[] = {
vercop,
help,
cfg_file,
nosrv,
srv,
mem,