Search
lxdream.org :: lxdream/src/test/testsh4x86.c
lxdream 0.9.1
released Jun 29
Download Now
filename src/test/testsh4x86.c
changeset 363:7d0bab24016c
next365:94cab5ad0ed8
author nkeynes
date Tue Aug 28 08:47:35 2007 +0000 (12 years ago)
permissions -rw-r--r--
last change Add initial unit test programs
file annotate diff log raw
nkeynes@363
     1
/**
nkeynes@363
     2
 * $Id: testsh4x86.c,v 1.1 2007-08-28 08:47:13 nkeynes Exp $
nkeynes@363
     3
 *
nkeynes@363
     4
 * Test cases for the SH4 => x86 translator core. Takes as
nkeynes@363
     5
 * input a binary SH4 object (and VMA), generates the
nkeynes@363
     6
 * corresponding x86 code, and outputs the disassembly.
nkeynes@363
     7
 *
nkeynes@363
     8
 * Copyright (c) 2005 Nathan Keynes.
nkeynes@363
     9
 *
nkeynes@363
    10
 * This program is free software; you can redistribute it and/or modify
nkeynes@363
    11
 * it under the terms of the GNU General Public License as published by
nkeynes@363
    12
 * the Free Software Foundation; either version 2 of the License, or
nkeynes@363
    13
 * (at your option) any later version.
nkeynes@363
    14
 *
nkeynes@363
    15
 * This program is distributed in the hope that it will be useful,
nkeynes@363
    16
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
nkeynes@363
    17
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nkeynes@363
    18
 * GNU General Public License for more details.
nkeynes@363
    19
 */
nkeynes@363
    20
nkeynes@363
    21
#include <stdio.h>
nkeynes@363
    22
#include <stdarg.h>
nkeynes@363
    23
#include <getopt.h>
nkeynes@363
    24
#include "sh4/sh4trans.h"
nkeynes@363
    25
#include <sys/stat.h>
nkeynes@363
    26
#include "sh4/sh4core.h"
nkeynes@363
    27
nkeynes@363
    28
#define MAX_INS_SIZE 32
nkeynes@363
    29
nkeynes@363
    30
char *option_list = "s:o:d:h";
nkeynes@363
    31
struct option longopts[1] = { { NULL, 0, 0, 0 } };
nkeynes@363
    32
nkeynes@363
    33
char *input_file = NULL;
nkeynes@363
    34
char *diff_file = NULL;
nkeynes@363
    35
char *output_file = NULL;
nkeynes@363
    36
uint32_t start_addr = 0x8C010000;
nkeynes@363
    37
nkeynes@363
    38
FILE *in;
nkeynes@363
    39
nkeynes@363
    40
char *inbuf;
nkeynes@363
    41
char *outbuf;
nkeynes@363
    42
nkeynes@363
    43
int32_t sh4_read_byte( uint32_t addr ) 
nkeynes@363
    44
{
nkeynes@363
    45
    return *(uint8_t *)(inbuf+(addr-start_addr));
nkeynes@363
    46
}
nkeynes@363
    47
int32_t sh4_read_word( uint32_t addr ) 
nkeynes@363
    48
{
nkeynes@363
    49
    return *(uint16_t *)(inbuf+(addr-start_addr));
nkeynes@363
    50
}
nkeynes@363
    51
int32_t sh4_read_long( uint32_t addr ) 
nkeynes@363
    52
{
nkeynes@363
    53
    return *(uint32_t *)(inbuf+(addr-start_addr));
nkeynes@363
    54
}
nkeynes@363
    55
// Stubs
nkeynes@363
    56
gboolean sh4_execute_instruction( ) { }
nkeynes@363
    57
void sh4_accept_interrupt() {}
nkeynes@363
    58
void sh4_set_breakpoint( uint32_t pc, int type ) { }
nkeynes@363
    59
gboolean sh4_clear_breakpoint( uint32_t pc, int type ) { }
nkeynes@363
    60
int sh4_get_breakpoint( uint32_t pc ) { }
nkeynes@363
    61
void event_execute() {}
nkeynes@363
    62
void TMU_run_slice( uint32_t nanos ) {}
nkeynes@363
    63
void SCIF_run_slice( uint32_t nanos ) {}
nkeynes@363
    64
void sh4_write_byte( uint32_t addr, uint32_t val ) {}
nkeynes@363
    65
void sh4_write_word( uint32_t addr, uint32_t val ) {}
nkeynes@363
    66
void sh4_write_long( uint32_t addr, uint32_t val ) {}
nkeynes@363
    67
nkeynes@363
    68
void usage()
nkeynes@363
    69
{
nkeynes@363
    70
    fprintf( stderr, "Usage: testsh4x86 [options] <input bin file>\n");
nkeynes@363
    71
    fprintf( stderr, "Options:\n");
nkeynes@363
    72
    fprintf( stderr, "  -d <filename>  Diff results against contents of file\n" );
nkeynes@363
    73
    fprintf( stderr, "  -h             Display this help message\n" );
nkeynes@363
    74
    fprintf( stderr, "  -o <filename>  Output disassembly to file [stdout]\n" );
nkeynes@363
    75
    fprintf( stderr, "  -s <addr>      Specify start address of binary [8C010000]\n" );
nkeynes@363
    76
}
nkeynes@363
    77
nkeynes@363
    78
void emit( void *ptr, int level, const gchar *source, const char *msg, ... )
nkeynes@363
    79
{
nkeynes@363
    80
    va_list ap;
nkeynes@363
    81
    va_start( ap, msg );
nkeynes@363
    82
    vfprintf( stderr, msg, ap );
nkeynes@363
    83
    fprintf( stderr, "\n" );
nkeynes@363
    84
    va_end(ap);
nkeynes@363
    85
}
nkeynes@363
    86
nkeynes@363
    87
nkeynes@363
    88
struct sh4_registers sh4r;
nkeynes@363
    89
nkeynes@363
    90
nkeynes@363
    91
int main( int argc, char *argv[] )
nkeynes@363
    92
{
nkeynes@363
    93
    struct stat st;
nkeynes@363
    94
    int opt;
nkeynes@363
    95
    while( (opt = getopt_long( argc, argv, option_list, longopts, NULL )) != -1 ) {
nkeynes@363
    96
	switch( opt ) {
nkeynes@363
    97
	case 'd':
nkeynes@363
    98
	    diff_file = optarg;
nkeynes@363
    99
	    break;
nkeynes@363
   100
	case 'o':
nkeynes@363
   101
	    output_file = optarg;
nkeynes@363
   102
	    break;
nkeynes@363
   103
	case 's':
nkeynes@363
   104
	    start_addr = strtoul(optarg, NULL, 0);
nkeynes@363
   105
	    break;
nkeynes@363
   106
	case 'h':
nkeynes@363
   107
	    usage();
nkeynes@363
   108
	    exit(0);
nkeynes@363
   109
	}
nkeynes@363
   110
    }
nkeynes@363
   111
    if( optind < argc ) {
nkeynes@363
   112
	input_file = argv[optind++];
nkeynes@363
   113
    } else {
nkeynes@363
   114
	usage();
nkeynes@363
   115
	exit(1);
nkeynes@363
   116
    }
nkeynes@363
   117
nkeynes@363
   118
    in = fopen( input_file, "ro" );
nkeynes@363
   119
    if( in == NULL ) {
nkeynes@363
   120
	perror( "Unable to open input file" );
nkeynes@363
   121
	exit(2);
nkeynes@363
   122
    }
nkeynes@363
   123
    fstat( fileno(in), &st );
nkeynes@363
   124
    inbuf = malloc( st.st_size );
nkeynes@363
   125
    fread( inbuf, st.st_size, 1, in );
nkeynes@363
   126
    outbuf = malloc( st.st_size * MAX_INS_SIZE );
nkeynes@363
   127
    xlat_output = outbuf;
nkeynes@363
   128
nkeynes@363
   129
    uint32_t pc;
nkeynes@363
   130
    for( pc = start_addr; pc < start_addr + st.st_size; pc+=2 ) {
nkeynes@363
   131
	sh4_x86_translate_instruction( pc );
nkeynes@363
   132
    }
nkeynes@363
   133
nkeynes@363
   134
    uint32_t buflen = (xlat_output - (uint8_t *)outbuf);
nkeynes@363
   135
    x86_disasm_init( outbuf, 0x8c010000, buflen );
nkeynes@363
   136
    for( pc = 0x8c010000; pc < 0x8c010000 + buflen;  ) {
nkeynes@363
   137
	char buf[256];
nkeynes@363
   138
	char op[256];
nkeynes@363
   139
	uint32_t pc2 = x86_disasm_instruction( pc, buf, sizeof(buf), op );
nkeynes@363
   140
	fprintf( stdout, "%08X: %-20s %s\n", pc, op, buf );
nkeynes@363
   141
	pc = pc2;
nkeynes@363
   142
    }
nkeynes@363
   143
}
.