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Reorganize mammoth lib in rust.

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This commit is contained in:
Drew Galbraith 2024-07-28 19:26:23 -07:00
parent d5a5041c4b
commit d35e8d253f
12 changed files with 223 additions and 214 deletions
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66
rust/lib/mammoth/src/lib.rs
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@ -5,67 +5,11 @@
extern crate alloc;
use core::ffi::c_void;
pub mod mem;
#[macro_use]
pub mod macros;
pub mod init;
pub mod mem;
pub mod syscall;
pub mod thread;
// From /zion/include/ztypes.h
const Z_INIT_SELF_PROC: u64 = 0x4000_0000;
const Z_INIT_SELF_VMAS: u64 = 0x4000_0001;
const Z_INIT_ENDPOINT: u64 = 0x4100_0000;
static mut SELF_PROC_CAP: syscall::zcap = 0;
static mut SELF_VMAS_CAP: syscall::zcap = 0;
pub static mut INIT_ENDPOINT: syscall::zcap = 0;
pub fn parse_init_port(port_cap: syscall::zcap) {
loop {
let mut num_bytes: u64 = 8;
let mut init_sig: u64 = 0;
let mut caps: [u64; 1] = [0];
let mut num_caps: u64 = 1;
let req = syscall::ZPortPollReq {
port_cap,
num_bytes: &mut num_bytes as *mut u64,
data: &mut init_sig as *mut u64 as *mut c_void,
caps: &mut caps as *mut u64,
num_caps: &mut num_caps as *mut u64,
};
let resp = syscall::syscall(syscall::kZionPortPoll, &req);
if let Err(_) = resp {
break;
}
unsafe {
match init_sig {
Z_INIT_SELF_PROC => SELF_PROC_CAP = caps[0],
Z_INIT_SELF_VMAS => SELF_VMAS_CAP = caps[0],
Z_INIT_ENDPOINT => INIT_ENDPOINT = caps[0],
_ => syscall::debug("Unknown Cap in Init"),
}
}
}
}
#[macro_export]
macro_rules! define_entry {
() => {
#[no_mangle]
pub extern "C" fn _start(init_port: mammoth::syscall::zcap) -> ! {
extern "C" {
fn main() -> z_err_t;
}
mammoth::parse_init_port(init_port);
mammoth::mem::init_heap();
unsafe {
let err = main();
let req = mammoth::syscall::ZProcessExitReq { code: err };
let _ = mammoth::syscall::syscall(mammoth::syscall::kZionProcessExit, &req);
}
unreachable!()
}
};
}
pub mod zion;