/*======================================================================*
loadELFFile
*======================================================================*/
void loadELF(){
/* 0x1000存放加载的文件数
* 0x1004开始存放文件名，单个字节的
* 0x50000开始，每0x2000个字节放一个bin文件，bin文件的入口为0x400000(4M)
*/
int i,startAddr;
char filename[12]="a.bin";
u8 data[8192];
FILEINFO file;
int totalFileAddr=0x1000;
u8 totalFile=read_mem_byte(totalFileAddr);
for (i=0,startAddr=0x50000; i<totalFile;i++,startAddr+=0x2000){
memset((void *)0x400000+0x2000*i,0,sizeof(data));
memset(data,0,sizeof(data));
readelf(startAddr);
memcpy(data,(void *)0x400000+0x2000*i,sizeof(data));
memcpy(file.name,filename,sizeof(filename));
u8 c=read_mem_byte(0x1004+i);
if ('A'<=c && c<='Z') c=c-'A'+'a';
file.name[0]=c;
file.size=sizeof(data);
file.start_pos=new_space(FILESTOREADDR,file.size);
write_fileinfo(file);
write_data(file.start_pos,data,sizeof(data));
++filename[0];
}
}
int main(int argc, char* argv[], char* envp[]) {
int fd;
void *map_start; /* will point to the start of the memory maped file */
struct stat fd_stat; /* this is needed to the size of the file */
int count_main = 0;
Symlists* symbols = malloc(sizeof(Symlists));
int file;
for (file = 1; file<argc; file++) {
printf("Checking the file : %s\n", argv[file]);
if( (fd = open(argv[file], 2)) < 0 ) {
perror("error in open");
exit(-1);
}
if( fstat(fd, &fd_stat) != 0 ) {
perror("stat failed");
exit(-1);
}
if ( (map_start = mmap(0, fd_stat.st_size, PROT_READ | PROT_WRITE , MAP_SHARED, fd, 0)) == MAP_FAILED ) {
perror("mmap failed");
exit(-4);
}
/* now, the file is mapped starting at map_start. */
readelf(map_start, symbols, &count_main);
/* now, we unmap the file */
munmap(map_start, fd_stat.st_size);
}
printf("Final Results :\n");
if (count_main != 1) {
printf("main check: FAILED\n");
exit(-1);
}
printf("main check: PASSED\n");
foreach(symbols->Symlist, check_count); /* Task 3b */
printf("duplicate check: PASSED\n");
check_define(symbols->UnSymlist, symbols->Symlist); /* Task 3c */
printf("no missing symbol : PASSED\n");
return 0;
}
/* Maps the input file into memory and runs the initial examination of
* the ELF structures.
*/
static int readinputfile(void)
{
struct stat stat;
void const *ptr;
int fd;
setfilename(inputfilename);
fd = open(inputfilename, O_RDONLY);
if (fd < 0)
fail(NULL);
if (fstat(fd, &stat))
fail(NULL);
if (!S_ISREG(stat.st_mode))
fail("not a valid input file.");
ptr = mmap(NULL, stat.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (ptr == MAP_FAILED)
fail(NULL);
close(fd);
return readelf(ptr, stat.st_size);
}
int main(int argc, char **argv)
{
/* The Global MIPS State */
MIPS_state_t mips_state;
rs232in_fd = rs232out_fd = -1;
char *serial_input_file = NULL;
char *serial_output_file = NULL;
for (;;) {
int c;
int option_index = 0;
c = getopt_long(argc, argv, "tf:i:o:",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 0:
break;
case 'f':
printf("file %s\n", filename = optarg);
break;
case 'i': serial_input_file = optarg; break;
case 'o': serial_output_file = optarg; break;
case '?':
usage(argv[0]);
break;
case 1000: icache_way_lines_log2 = atoi(optarg); break;
case 1001: icache_words_in_line_log2 = atoi(optarg); break;
case 1002: dcache_way_lines_log2 = atoi(optarg); break;
case 1003: dcache_words_in_line_log2 = atoi(optarg); break;
default:
printf ("?? getopt returned character code 0%o ??\n", c);
}
}
if (optind >= argc) {
usage(argv[0]);
}
while (optind < argc) {
readelf(argv[optind++]);
}
int is_bidir = serial_output_file && serial_input_file &&
strcmp(serial_input_file, serial_output_file) == 0;
if (serial_input_file) {
printf("serial input %s\n", serial_input_file);
rs232in_fd = open(serial_input_file, (is_bidir ? O_RDWR : O_RDONLY) | O_NONBLOCK);
if (rs232in_fd < 0)
perror(optarg), exit(1);
{
/* Turn off echo */
struct termios t;
if (tcgetattr(rs232in_fd, &t))
/*perror("getattr")*/;
else {
t.c_lflag &= ~(ECHO|ECHOE|ECHOK);
if (tcsetattr(rs232in_fd, TCSANOW, &t))
perror("setattr");
}
}
}
if (serial_output_file && !is_bidir) {
printf("serial output %s\n", serial_output_file);
rs232out_fd = open(serial_output_file, O_WRONLY | O_NONBLOCK);
if (rs232out_fd < 0)
perror(optarg), exit(1);
}
if (is_bidir)
rs232out_fd = rs232in_fd;
gettimeofday(&stat_start_time, NULL);
switch (run) {
case '1':
if (enable_graphics)
start_sdl();
atexit(print_stats);
signal(SIGINT, exit);
mips_state.pc = program_entry;
init_reg_use_map();
if (screen) {
SDL_CreateThread((int (*)(void *))run_simple, &mips_state);
mainloop();
} else
run_simple(&mips_state);
break;
case 'b':
case 'r':
case 'd':
case 'm':
dump_cache_init_files();
break;
case 't':
dump_tinymon();
exit(0);
default:
printf("No XX-run option given\n");
exit(1);
}
if (enable_testcases) {
printf("Test ");
if (mips_state.r[7] == 0x1729) {
printf("SUCCEED!\n");
exit(0);
} else {
printf("FAILED! r7 = 0x%08x != 0x1729\n", mips_state.r[7]);
exit(1);
}
}
exit(0);
}
