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/*
Copyright (C) 1999 T. Scott Dattalo
This file is part of gpsim.
gpsim 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.
gpsim 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 gpsim; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <iostream>
#include <iomanip>
#include <string>
#include <stdio.h>
#include "command.h"
#include "cmd_dump.h"
#include "input.h"
#include "../src/pic-processor.h"
#include "../src/14bit-processors.h"
using namespace std;
cmd_dump dump;
enum {
DUMP_EEPROM = 1,
DUMP_RAM,
DUMP_SFRS
};
static cmd_options cmd_dump_options[] =
{
"e", DUMP_EEPROM, OPT_TT_BITFLAG,
"r", DUMP_RAM, OPT_TT_BITFLAG,
"s", DUMP_SFRS, OPT_TT_BITFLAG,
NULL,0,0
};
cmd_dump::cmd_dump(void)
{
name = "dump";
brief_doc = "Display either the RAM or EEPROM";
long_doc = "";
long_doc = long_doc + "dump [r | e | s]\n" +
"\tdump r or dump with no options will display all of the file\n" +
"\t registers and special function registers.\n" +
"\tdump e will display the contents of the eeprom (if the pic" +
"\t being simulated contains any)\n" +
"\tdump s will display only the special function registers." +
"\n";
op = cmd_dump_options;
}
#define REGISTERS_PER_ROW 16
#define SFR_COLUMNS 4
#define MAX_SFR_NAME 10
void cmd_dump::dump_sfrs(void)
{
int regs_in_a_row = 0;
putchar('\n');
// Examine all registers this pic has to offer
for (unsigned int i = 0; i < cpu->register_memory_size(); i++) {
if(cpu->registers[i]->isa() == file_register::SFR_REGISTER) {
// Found an sfr. Display its contents only if not aliased
// at some other address too.
if(i == cpu->registers[i]->address) {
if(++regs_in_a_row > SFR_COLUMNS)
{
putchar('\n');
regs_in_a_row = 1;
}
printf("%03x %s = %02x", cpu->registers[i]->address,
cpu->registers[i]->name(),
cpu->registers[i]->get_value());
// Align the columns by printing spaces
int l = MAX_SFR_NAME - strlen(cpu->registers[i]->name());
for(int k=0; k<l; k++)
putchar(' ');
}
}
}
}
void cmd_dump::dump(int mem_type)
{
unsigned int i, j, reg_num,mem_size=0;
unsigned int v;
unsigned int previous_row_is_invalid;
unsigned int all_invalid;
file_register **fr=NULL;
if(!have_cpu(1))
return;
switch(mem_type)
{
case DUMP_EEPROM:
if(cpu->eeprom) {
fr = cpu->eeprom->rom;
mem_size = cpu->eeprom->rom_size;
} else
return;
break;
case DUMP_RAM:
mem_size = cpu->register_memory_size();
fr = cpu->registers;
break;
case DUMP_SFRS:
dump_sfrs();
putchar('\n');
return;
}
if(mem_size == 0)
return;
printf(" ");
// Column labels
for (i = 0; i < REGISTERS_PER_ROW; i++)
printf(" %02x",i);
putchar('\n');
reg_num = 0;
for (i = 0; i < mem_size; i+=REGISTERS_PER_ROW) {
/* First, see if there are any valid registers on this row */
all_invalid = 1;
for (j = 0; j < REGISTERS_PER_ROW; j++)
if(fr[i+j]->address) {
all_invalid = 0;
break;
}
if(!all_invalid) {
previous_row_is_invalid = 0;
printf("%03x: ",i);
for (j = 0; j < REGISTERS_PER_ROW; j++)
{
reg_num = i + j;
if(reg_num || fr[reg_num]->address) {
v = fr[reg_num]->get_value();
printf("%02x ",v);
} else
printf("-- ");
}
printf(" ");
for (j = 0; j < REGISTERS_PER_ROW; j++)
{
reg_num = i + j;
v = fr[reg_num]->get_value();
if( (v >= ' ') && (v <= 'z'))
putchar(v);
else
putchar('.');
}
putchar('\n');
} else {
if(!previous_row_is_invalid)
putchar('\n');
previous_row_is_invalid = 1;
reg_num += REGISTERS_PER_ROW;
}
}
// Now Dump the sfr's
if(mem_type == 2) {
dump_sfrs();
printf("\n%s = %02x\n",cpu->W.name(), cpu->W.get_value());
printf("pc = 0x%x\n",cpu->pc.value);
}
}
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