int init(void)
{
void* zImage_start;
zImage* imgs;
int i, n;
init_device();
/* 设置SysTick中断 */
SysTick_Config(72 * 1000);
zImage_start = get_zimage_start();
kprintf("flash_end=0x%.8p\r\n", zImage_start);
imgs = malloc(5 * sizeof(zImage));
n = find_zImage(zImage_start, imgs, 5 * sizeof(zImage));
kprintf("%d zImage(s) on flash\r\n", n);
for (i = 0; i < n; ++i)
{
kprintf("zImage #%d\r\n", i);
kprintf("\tlocation: %.8p\r\n", imgs[i].location);
kprintf("\tname: %s\r\n", imgs[i].header.name);
kprintf("\tsize: 0x%.4x\r\n", imgs[i].header.size);
}
init_system_exception();
dump_scb();
/* 初始化三个进程列表 */
kprintf("初始化进程列表\r\n");
init_proc_list(&ready);
init_proc_list(&inactive);
init_proc_list(&pending);
//test_proc_list();
//test_pend_sv();
//test_newlib();
test_schedule();
/*zImage_start = (char*)zImage_start + sizeof(zImage_header);
BitM(&zImage_start, 0) = 1;
__asm__(
"blx %[addr]"
:
: [addr]"r"(zImage_start)
:
);*/
while(1)
__WFI();
}
int main(int argc, char* argv[])
{
char* path_to_config;
char* path_to_errors;
int is_batch_mode;
int key = 0;
int list_scr = 0;
struct process_list* proc_list;
screen_t* screen = NULL;
int screen_num = 0;
int q;
int paranoia_level;
/* Check OS to make sure we can run. */
paranoia_level = check();
init_options(&options);
options.paranoia_level = paranoia_level;
path_to_config = get_path_to_config(argc, argv);
path_to_errors = get_path_to_error(argc, argv);
is_batch_mode = get_batch_mode(argc, argv);
init_errors(is_batch_mode, path_to_errors);
q = read_config(path_to_config, &options);
if (q == 0) {
debug_printf("Config file successfully parsed.\n");
options.config_file = 1;
}
else
debug_printf("Could not parse config file.\n");
/* Parse command line arguments. */
parse_command_line(argc, argv, &options, &list_scr, &screen_num);
/* Add default screens */
if (options.default_screen == 1)
init_screen();
/* Remove unused but declared counters */
tamp_counters();
if (list_scr) {
list_screens();
delete_screens();
exit(0);
}
if (options.spawn_pos) {
/* monitor only spawned process */
int child = spawn(argv + options.spawn_pos);
options.only_pid = child;
options.idle = 1;
}
do {
if (screen_num >= 0)
screen = get_screen(screen_num);
else
screen = get_screen_by_name(argv[-screen_num]);
if (!screen) {
fprintf(stderr, "No such screen.\n");
exit(EXIT_FAILURE);
}
/* initialize the list of processes, and then run */
proc_list = init_proc_list();
if (options.spawn_pos) {
options.spawn_pos = 0; /* do this only once */
new_processes(proc_list, screen, &options);
start_child();
}
if (options.batch) {
batch_mode(proc_list, screen);
key = 'q';
}
#ifdef HAVE_LIBCURSES
else {
key = live_mode(proc_list, screen);
if ((key == '+') || (key == KEY_RIGHT)) {
screen_num = (screen_num + 1) % get_num_screens();
active_col = 0;
done_proc_list(proc_list);
free(header);
}
if ((key == '-') || (key == KEY_LEFT)) {
int n = get_num_screens();
screen_num = (screen_num + n - 1) % n;
active_col = 0;
done_proc_list(proc_list);
free(header);
}
if ((key == 'u') || (key == 'K') || (key == 'p')) {
done_proc_list(proc_list);
}
}
#endif
} while (key != 'q');
/* done, free memory (makes valgrind happy) */
close_error();
delete_screens();
done_proc_list(proc_list);
free_options(&options);
return 0;
}