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Diffstat (limited to 'src/init/main.c')
-rw-r--r--src/init/main.c75
1 files changed, 26 insertions, 49 deletions
diff --git a/src/init/main.c b/src/init/main.c
index aef6410..c81f789 100644
--- a/src/init/main.c
+++ b/src/init/main.c
@@ -12,8 +12,8 @@ extern char _initrd;
int tty_fd;
+void read_file(const char *path, size_t len);
void fs_test(void);
-void fs_server(handle_t back);
__attribute__((section(".text.startup")))
int main(void) {
@@ -25,66 +25,43 @@ int main(void) {
_syscall_exit(argify("couldn't open tty"));
fs_test();
- tar_driver(&_initrd);
_syscall_exit(argify("my job here is done."));
}
-void fs_test(void) {
- handle_t front, back, file;
- front = _syscall_fs_create(&back);
+void read_file(const char *path, size_t len) {
+ int fd = _syscall_open(path, len);
+ static char buf[64];
+ int buf_len = 64;
- if (_syscall_fork()) {
- // child: is the fs server
- fs_server(back);
+ _syscall_write(tty_fd, path, len);
+ log(": ");
+ if (fd < 0) {
+ log("couldn't open.\n");
return;
}
- // parent: accesses the fs
- _syscall_mount(front, argify("/mnt"));
- log("requesting file. ");
- file = _syscall_open(argify("/mnt/tty"));
- log("open returned. ");
- _syscall_write(file, argify("hello"));
+ buf_len = _syscall_read(fd, buf, buf_len);
+ _syscall_write(tty_fd, buf, buf_len);
- // try reading
- char buf[8];
- int len = 8;
- for (int i = 0; i < 8; i++)
- buf[i] = '.';
- len = _syscall_read(file, buf, len);
- _syscall_write(tty_fd, buf, len + 1); // read 1 byte past, should be a dot
+ _syscall_close(fd);
}
-void fs_server(handle_t back) {
- static char buf[64];
- int len, id;
- for (;;) {
- len = 64;
- switch (_syscall_fs_wait(back, buf, &len, &id)) {
- case VFSOP_OPEN:
- _syscall_write(tty_fd, buf, len);
- log(" was opened. ");
- _syscall_fs_respond(NULL, 32); // doesn't check the path yet
- break;
-
- case VFSOP_READ:
- // all reads output "world"
- _syscall_fs_respond("world", 5);
- break;
-
- case VFSOP_WRITE:
- // uppercase the buffer
- for (int i = 0; i < len; i++) buf[i] &= ~id; // id == 32
- // and passthrough to tty
- _syscall_write(tty_fd, buf, len);
- _syscall_fs_respond(NULL, len); // return the amt of bytes written
- break;
+void fs_test(void) {
+ handle_t front, back, file;
+ front = _syscall_fs_create(&back);
- default:
- log("fuck");
- break;
- }
+ if (_syscall_fork()) {
+ // child: is the fs server
+ tar_driver(back, &_initrd);
+ return;
}
+ // parent: accesses the fs
+ log("\n");
+ _syscall_mount(front, argify("/init"));
+ read_file(argify("/init/fake.txt"));
+ read_file(argify("/init/1.txt"));
+ read_file(argify("/init/2.txt"));
+ read_file(argify("/init/dir/3.txt"));
}