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#include <init/driver/driver.h>
#include <init/fs/misc.h>
#include <init/shell.h>
#include <init/stdlib.h>
#include <init/tar.h>
#include <init/tests/main.h>
#include <shared/flags.h>
#include <shared/syscalls.h>
#include <stdint.h>
// TODO move to shared header file
#define argify(str) str, sizeof(str) - 1
extern char _bss_start; // provided by the linker
extern char _bss_end;
extern char _initrd;
void read_file(const char *path, size_t len);
void fs_prep(void);
__attribute__((section(".text.startup")))
int main(void) {
// allocate bss
_syscall_memflag(&_bss_start, &_bss_end - &_bss_start, MEMFLAG_PRESENT);
if (!fork2_n_mount("/tty")) ansiterm_drv();
__tty_fd = _syscall_open("/tty", sizeof("/tty") - 1);
if (__tty_fd < 0)
_syscall_exit(1);
fs_prep();
shell_loop();
_syscall_exit(0);
}
void fs_prep(void) {
handle_t front = _syscall_fs_fork2();
if (!front) {
tar_driver(&_initrd);
_syscall_exit(1);
}
/* the trailing slash should be ignored by mount()
* TODO actually write tests */
_syscall_mount(front, argify("/init/"));
if (!fork2_n_mount("/")) fs_dir_inject("/init/");
/* from here on i'll just use the helper MOUNT macro */
/* passthrough fs */
MOUNT("/2nd/", fs_passthru(NULL)); /* copies / under /2nd */
MOUNT("/3rd/", fs_passthru("/init/")); /* copies /init under /3rd */
}
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