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#include <shared/flags.h>
#include <shared/syscalls.h>
#include <stdint.h>
#include <user/app/init/shell.h>
#include <user/app/init/driver/driver.h>
#include <user/lib/fs/misc.h>
#include <user/lib/elfload.h>
#include <user/lib/stdlib.h>
#include <user/app/init/tests/main.h>
__attribute__((visibility("hidden")))
extern char _image_base[];
void read_file(const char *path, size_t len);
__attribute__((section(".text.startup")))
int main(void) {
elf_selfreloc();
file_reopen(stdout, "/kdev/com1", 0);
printf("in init (stage 2), loaded at 0x%x\n", &_image_base);
MOUNT("/tmp/", tmpfs_drv());
MOUNT("/keyboard", ps2_drv());
MOUNT("/vga_tty", ansiterm_drv());
MOUNT("/bind/", fs_passthru(NULL));
if (fork()) {
/* (used to) expose a bug in the kernel
* the program will flow like this:
* 1. we launch the forked init
* 2. the forked init launches both shells
* 3. one of the shells quit
* 4. the forked init picks it up and quits
*
* then, in process_kill, the other shell will be deathbedded
*
* before i implement(ed) reparenting, it was a lingering running child
* of a dead process, which is invalid state
*/
_syscall_await();
_syscall_exit(1);
}
if (!fork()) {
if (!file_reopen(stdout, "/kdev/com1", 0)) {
printf("couldn't open /kdev/com1\n"); // TODO borked
_syscall_exit(1);
}
if (!file_reopen(stdin, "/kdev/com1", 0)) {
printf("couldn't open /kdev/com1\n");
_syscall_exit(1);
}
termcook();
shell_loop();
_syscall_exit(1);
}
if (!fork()) {
if (!file_reopen(stdout, "/vga_tty", 0)) {
printf("couldn't open /vga_tty\n"); // TODO borked
_syscall_exit(1);
}
if (!file_reopen(stdin, "/keyboard", 0)) {
printf("couldn't open /keyboard\n");
_syscall_exit(1);
}
termcook();
shell_loop();
_syscall_exit(1);
}
_syscall_await();
printf("init: quitting\n");
_syscall_exit(0);
}
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