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turntbl now exits upon running a new program

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this should allow for users to take advantage of more system memory
This commit is contained in:
husky 2025-09-12 20:51:50 -07:00
parent 7b7857a97a
commit 8bfe43427d
1 changed files with 9 additions and 7 deletions
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16
turntable/src/main.rs
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@ -187,14 +187,16 @@ fn attempt_run_file(env: &Environment<'_>, name: &str) {
current_directory_path: CURRENT_DIR_PATH.load(Ordering::Relaxed) as usize, current_directory_path: CURRENT_DIR_PATH.load(Ordering::Relaxed) as usize,
current_directory_path_len: CURRENT_DIR_PATH_LEN.load(Ordering::Relaxed), current_directory_path_len: CURRENT_DIR_PATH_LEN.load(Ordering::Relaxed),
}; };
// fixme: turntable task needs to exit, but it owns the environment memory.
// fixme: we need to somehow pass the environment to the task, and have it free the memory
let mut task_setup = liblbos::TaskSetup { let mut task_setup = liblbos::TaskSetup {
epc: 0, epc: 0,
stack_block_count: 8, stack_block_count: 8,
ddi_first_addr: 0, ddi_first_addr: 0,
ddi_size: 0, ddi_size: 0,
environment: &e as *const _ as usize, environment: 0,
wait_for_task_exit: true, wait_for_task_exit: false,
}; };
if liblbos::ktask::ktask_loadddifile(buf, size, &mut task_setup as *mut _ as usize) != 0 { if liblbos::ktask::ktask_loadddifile(buf, size, &mut task_setup as *mut _ as usize) != 0 {
@ -207,11 +209,11 @@ fn attempt_run_file(env: &Environment<'_>, name: &str) {
liblbos::syscalls::create_task(task_setup); liblbos::syscalls::create_task(task_setup);
// yeah we're extending its lifetime if CURRENT_DIR_PATH.load(Ordering::Relaxed) as usize != 0 {
#[allow(clippy::drop_non_drop)] // free
drop(e); liblbos::syscalls::free_blocks(CURRENT_DIR_PATH.load(Ordering::Relaxed) as usize, CURRENT_DIR_PATH_LEN.load(Ordering::Relaxed).div_ceil(512));
}
println("\ntask exited\n"); liblbos::syscalls::exit();
} }
fn execute(cmd: &str, environment: &mut Environment<'_>) { fn execute(cmd: &str, environment: &mut Environment<'_>) {