4 * Test cases for the SH4 => x86 translator core. Takes as
5 * input a binary SH4 object (and VMA), generates the
6 * corresponding x86 code, and outputs the disassembly.
8 * Copyright (c) 2005 Nathan Keynes.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
25 #include "x86dasm/x86dasm.h"
26 #include "sh4/sh4trans.h"
27 #include "sh4/sh4core.h"
28 #include "sh4/sh4mmio.h"
30 struct mmio_region mmio_region_MMU;
31 struct breakpoint_struct sh4_breakpoints[MAX_BREAKPOINTS];
32 int sh4_breakpoint_count = 0;
34 #define MAX_INS_SIZE 32
36 char *option_list = "s:o:d:h";
37 struct option longopts[1] = { { NULL, 0, 0, 0 } };
39 char *input_file = NULL;
40 char *diff_file = NULL;
41 char *output_file = NULL;
42 gboolean sh4_starting;
43 uint32_t start_addr = 0x8C010000;
44 uint32_t sh4_cpu_period = 5;
45 sh4ptr_t sh4_main_ram;
50 struct x86_symbol local_symbols[] = {
51 { "_sh4_read_byte", sh4_read_byte },
52 { "_sh4_read_word", sh4_read_word },
53 { "_sh4_read_long", sh4_read_long },
54 { "_sh4_write_byte", sh4_write_byte },
55 { "_sh4_write_word", sh4_write_word },
56 { "_sh4_write_long", sh4_write_long }
59 int32_t sh4_read_byte( uint32_t addr )
61 return *(uint8_t *)(inbuf+(addr-start_addr));
63 int32_t sh4_read_word( uint32_t addr )
65 return *(uint16_t *)(inbuf+(addr-start_addr));
67 int32_t sh4_read_long( uint32_t addr )
69 return *(uint32_t *)(inbuf+(addr-start_addr));
72 gboolean sh4_execute_instruction( ) { return TRUE; }
73 void sh4_accept_interrupt() {}
74 void sh4_set_breakpoint( uint32_t pc, breakpoint_type_t type ) { }
75 gboolean sh4_clear_breakpoint( uint32_t pc, breakpoint_type_t type ) { return TRUE; }
76 gboolean dreamcast_is_running() { return FALSE; }
77 int sh4_get_breakpoint( uint32_t pc ) { return 0; }
78 void sh4_core_exit( int exit_code ){}
79 void sh4_flush_icache(){}
80 void event_execute() {}
81 void TMU_run_slice( uint32_t nanos ) {}
82 void SCIF_run_slice( uint32_t nanos ) {}
83 void sh4_write_byte( uint32_t addr, uint32_t val ) {}
84 void sh4_write_word( uint32_t addr, uint32_t val ) {}
85 void sh4_write_long( uint32_t addr, uint32_t val ) {}
86 void sh4_write_fpscr( uint32_t val ) { }
87 void sh4_switch_fr_banks() { }
88 void mem_copy_to_sh4( sh4addr_t addr, sh4ptr_t src, size_t size ) { }
89 void sh4_write_sr( uint32_t val ) { }
90 gboolean sh4_has_page( sh4vma_t vma ) { return TRUE; }
91 void syscall_invoke( uint32_t val ) { }
92 void dreamcast_stop() {}
93 void dreamcast_reset() {}
94 uint32_t sh4_read_sr( void ) { return 0; }
95 gboolean sh4_raise_reset( int exc ) { return TRUE; }
96 gboolean sh4_raise_exception( int exc ) { return TRUE; }
97 gboolean sh4_raise_tlb_exception( int exc ) { return TRUE; }
98 gboolean sh4_raise_trap( int exc ) { return TRUE; }
100 uint32_t sh4_sleep_run_slice(uint32_t nanosecs) { return nanosecs; }
101 void sh4_fsca( uint32_t angle, float *fr ) { }
102 void sh4_ftrv( float *fv ) { }
103 void signsat48(void) { }
104 gboolean gui_error_dialog( const char *fmt, ... ) { return TRUE; }
105 struct sh4_icache_struct sh4_icache;
109 fprintf( stderr, "Usage: testsh4x86 [options] <input bin file>\n");
110 fprintf( stderr, "Options:\n");
111 fprintf( stderr, " -d <filename> Diff results against contents of file\n" );
112 fprintf( stderr, " -h Display this help message\n" );
113 fprintf( stderr, " -o <filename> Output disassembly to file [stdout]\n" );
114 fprintf( stderr, " -s <addr> Specify start address of binary [8C010000]\n" );
117 void emit( void *ptr, int level, const gchar *source, const char *msg, ... )
121 vfprintf( stderr, msg, ap );
122 fprintf( stderr, "\n" );
127 struct sh4_registers sh4r;
130 int main( int argc, char *argv[] )
134 while( (opt = getopt_long( argc, argv, option_list, longopts, NULL )) != -1 ) {
140 output_file = optarg;
143 start_addr = strtoul(optarg, NULL, 0);
150 if( optind < argc ) {
151 input_file = argv[optind++];
157 in = fopen( input_file, "ro" );
159 perror( "Unable to open input file" );
162 fstat( fileno(in), &st );
163 inbuf = malloc( st.st_size );
164 fread( inbuf, st.st_size, 1, in );
168 uint8_t *buf = sh4_translate_basic_block( start_addr );
169 uint32_t buflen = xlat_get_block_size(buf);
170 x86_disasm_init( buf, 0x8c010000, buflen );
171 x86_set_symtab( local_symbols, 6 );
172 for( pc = 0x8c010000; pc < 0x8c010000 + buflen; ) {
175 uint32_t pc2 = x86_disasm_instruction( pc, buf, sizeof(buf), op );
176 fprintf( stdout, "%08X: %-20s %s\n", pc, op, buf );
.