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Move more syscall usages to helper functions.

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This commit is contained in:
Drew Galbraith 2024-07-28 20:10:32 -07:00
parent ca67da16e6
commit 5705f8d2ab
3 changed files with 50 additions and 33 deletions
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18
rust/lib/mammoth/src/init.rs
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@ -1,7 +1,5 @@
use crate::syscall;
use crate::zion;
use crate::zion::z_cap_t;
use core::ffi::c_void;
// From /zion/include/ztypes.h
const Z_INIT_SELF_PROC: u64 = 0x4000_0000;
@ -14,22 +12,16 @@ pub static mut INIT_ENDPOINT: z_cap_t = 0;
pub fn parse_init_port(port_cap: z_cap_t) {
loop {
let mut num_bytes: u64 = 8;
let mut init_sig: u64 = 0;
let mut bytes: [u8; 8] = [0; 8];
let mut caps: [u64; 1] = [0];
let mut num_caps: u64 = 1;
let req = zion::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(zion::kZionPortPoll, &req);
let resp = syscall::port_poll(port_cap, &mut bytes, &mut caps);
if let Err(_) = resp {
break;
}
let init_sig = u64::from_le_bytes(bytes);
unsafe {
match init_sig {
Z_INIT_SELF_PROC => SELF_PROC_CAP = caps[0],