filename | src/test/testsh4x86.c |
changeset | 945:787729653236 |
prev | 939:6f2302afeb89 |
next | 948:545c85cc56f1 |
author | nkeynes |
date | Mon Jan 05 04:19:46 2009 +0000 (15 years ago) |
branch | lxdream-mem |
permissions | -rw-r--r-- |
last change | Move address space decls to mmu.h Finally remove sh4_read_long and friends |
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1 /**
2 * $Id$
3 *
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.
7 *
8 * Copyright (c) 2005 Nathan Keynes.
9 *
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.
14 *
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.
19 */
21 #include <stdio.h>
22 #include <stdarg.h>
23 #include <getopt.h>
24 #include <sys/stat.h>
25 #include "x86dasm/x86dasm.h"
26 #include "sh4/sh4trans.h"
27 #include "sh4/sh4core.h"
28 #include "sh4/sh4mmio.h"
30 struct dreamcast_module sh4_module;
31 struct mmio_region mmio_region_MMU;
32 struct mmio_region mmio_region_PMM;
33 struct breakpoint_struct sh4_breakpoints[MAX_BREAKPOINTS];
34 int sh4_breakpoint_count = 0;
36 #define MAX_INS_SIZE 32
39 struct mem_region_fn **sh4_address_space = (void *)0x12345432;
40 struct mem_region_fn **sh4_user_address_space = (void *)0x12345678;
41 char *option_list = "s:o:d:h";
42 struct option longopts[1] = { { NULL, 0, 0, 0 } };
44 char *input_file = NULL;
45 char *diff_file = NULL;
46 char *output_file = NULL;
47 gboolean sh4_starting;
48 uint32_t start_addr = 0x8C010000;
49 uint32_t sh4_cpu_period = 5;
50 unsigned char dc_main_ram[4096];
51 unsigned char dc_boot_rom[4096];
52 FILE *in;
54 char *inbuf;
56 struct x86_symbol local_symbols[] = {
57 { "sh4r+128", ((char *)&sh4r)+128 },
58 { "sh4_cpu_period", &sh4_cpu_period },
59 { "sh4_address_space", (void *)0x12345432 },
60 { "sh4_user_address_space", (void *)0x12345678 },
61 { "sh4_write_fpscr", sh4_write_fpscr },
62 { "sh4_write_sr", sh4_write_sr },
63 { "sh4_read_sr", sh4_read_sr },
64 { "sh4_sleep", sh4_sleep },
65 { "sh4_fsca", sh4_fsca },
66 { "sh4_ftrv", sh4_ftrv },
67 { "sh4_switch_fr_banks", sh4_switch_fr_banks },
68 { "sh4_execute_instruction", sh4_execute_instruction },
69 { "signsat48", signsat48 },
70 { "xlat_get_code_by_vma", xlat_get_code_by_vma },
71 { "xlat_get_code", xlat_get_code }
72 };
74 // Stubs
75 gboolean sh4_execute_instruction( ) { return TRUE; }
76 void sh4_accept_interrupt() {}
77 void sh4_set_breakpoint( uint32_t pc, breakpoint_type_t type ) { }
78 gboolean sh4_clear_breakpoint( uint32_t pc, breakpoint_type_t type ) { return TRUE; }
79 gboolean dreamcast_is_running() { return FALSE; }
80 int sh4_get_breakpoint( uint32_t pc ) { return 0; }
81 void sh4_core_exit( int exit_code ){}
82 void sh4_flush_icache(){}
83 void event_execute() {}
84 void TMU_run_slice( uint32_t nanos ) {}
85 void CCN_set_cache_control( uint32_t val ) { }
86 void PMM_write_control( int ctr, uint32_t val ) { }
87 void SCIF_run_slice( uint32_t nanos ) {}
88 void FASTCALL sh4_write_fpscr( uint32_t val ) { }
89 void FASTCALL sh4_write_sr( uint32_t val ) { }
90 uint32_t FASTCALL sh4_read_sr( void ) { return 0; }
91 void FASTCALL sh4_sleep() { }
92 void FASTCALL sh4_fsca( uint32_t angle, float *fr ) { }
93 void FASTCALL sh4_ftrv( float *fv ) { }
94 void FASTCALL signsat48(void) { }
95 void sh4_switch_fr_banks() { }
96 void mem_copy_to_sh4( sh4addr_t addr, sh4ptr_t src, size_t size ) { }
97 gboolean sh4_has_page( sh4vma_t vma ) { return TRUE; }
98 void syscall_invoke( uint32_t val ) { }
99 void dreamcast_stop() {}
100 void dreamcast_reset() {}
101 gboolean FASTCALL sh4_raise_reset( int exc ) { return TRUE; }
102 gboolean FASTCALL sh4_raise_exception( int exc ) { return TRUE; }
103 gboolean FASTCALL sh4_raise_tlb_exception( int exc ) { return TRUE; }
104 gboolean FASTCALL sh4_raise_trap( int exc ) { return TRUE; }
105 void FASTCALL sh4_flush_store_queue( sh4addr_t addr ) { }
106 void FASTCALL sh4_flush_store_queue_mmu( sh4addr_t addr, void *exc ) { }
107 uint32_t sh4_sleep_run_slice(uint32_t nanosecs) { return nanosecs; }
108 gboolean gui_error_dialog( const char *fmt, ... ) { return TRUE; }
109 gboolean FASTCALL mmu_update_icache( sh4vma_t addr ) { return TRUE; }
110 void MMU_ldtlb() { }
111 struct sh4_icache_struct sh4_icache;
112 struct mem_region_fn mem_region_unmapped;
114 void usage()
115 {
116 fprintf( stderr, "Usage: testsh4x86 [options] <input bin file>\n");
117 fprintf( stderr, "Options:\n");
118 fprintf( stderr, " -d <filename> Diff results against contents of file\n" );
119 fprintf( stderr, " -h Display this help message\n" );
120 fprintf( stderr, " -o <filename> Output disassembly to file [stdout]\n" );
121 fprintf( stderr, " -s <addr> Specify start address of binary [8C010000]\n" );
122 }
124 void emit( void *ptr, int level, const gchar *source, const char *msg, ... )
125 {
126 va_list ap;
127 va_start( ap, msg );
128 vfprintf( stderr, msg, ap );
129 fprintf( stderr, "\n" );
130 va_end(ap);
131 }
134 struct sh4_registers sh4r;
137 int main( int argc, char *argv[] )
138 {
139 struct stat st;
140 int opt;
141 while( (opt = getopt_long( argc, argv, option_list, longopts, NULL )) != -1 ) {
142 switch( opt ) {
143 case 'd':
144 diff_file = optarg;
145 break;
146 case 'o':
147 output_file = optarg;
148 break;
149 case 's':
150 start_addr = strtoul(optarg, NULL, 0);
151 break;
152 case 'h':
153 usage();
154 exit(0);
155 }
156 }
157 if( optind < argc ) {
158 input_file = argv[optind++];
159 } else {
160 usage();
161 exit(1);
162 }
164 mmio_region_MMU.mem = malloc(4096);
165 memset( mmio_region_MMU.mem, 0, 4096 );
167 ((uint32_t *)mmio_region_MMU.mem)[4] = 1;
169 in = fopen( input_file, "ro" );
170 if( in == NULL ) {
171 perror( "Unable to open input file" );
172 exit(2);
173 }
174 fstat( fileno(in), &st );
175 inbuf = malloc( st.st_size );
176 fread( inbuf, st.st_size, 1, in );
177 sh4_icache.mask = 0xFFFFF000;
178 sh4_icache.page_vma = start_addr & 0xFFFFF000;
179 sh4_icache.page = (unsigned char *)(inbuf - (sh4_icache.page_vma&0xFFF));
180 sh4_icache.page_ppa = start_addr & 0xFFFFF000;
182 xlat_cache_init();
183 uintptr_t pc;
184 uint8_t *buf = sh4_translate_basic_block( start_addr );
185 uint32_t buflen = xlat_get_code_size(buf);
186 x86_disasm_init( (uintptr_t)buf, (uintptr_t)buf, buflen );
187 x86_set_symtab( local_symbols, sizeof(local_symbols)/sizeof(struct x86_symbol) );
188 for( pc = buf; pc < buf + buflen; ) {
189 char buf[256];
190 char op[256];
191 uintptr_t pc2 = x86_disasm_instruction( pc, buf, sizeof(buf), op );
192 fprintf( stdout, "%08x: %s\n", pc, buf );
193 pc = pc2;
194 }
195 return 0;
196 }
.