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implement more of sys_power

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This commit is contained in:
Ashwin Naren
2026-01-31 17:55:52 -08:00
parent fc873a9b67
commit 8046d746dd
1 changed files with 13 additions and 2 deletions
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15
src/kernel/power.rs
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@@ -1,9 +1,12 @@
use core::sync::atomic::AtomicBool;
use crate::{ArchImpl, arch::Arch, sched::current::current_task_shared};
use libkernel::{
error::{KernelError, Result},
proc::caps::CapabilitiesFlags,
};
pub static CAD_ENABLED: AtomicBool = AtomicBool::new(false);
pub async fn sys_reboot(magic: u32, magic2: u32, op: u32, _arg: usize) -> Result<usize> {
current_task_shared()
.creds
@@ -16,8 +19,8 @@ pub async fn sys_reboot(magic: u32, magic2: u32, op: u32, _arg: usize) -> Result
const LINUX_REBOOT_MAGIC2A: u32 = 852072454;
const LINUX_REBOOT_MAGIC2B: u32 = 369367448;
const LINUX_REBOOT_MAGIC2C: u32 = 537993216;
// const LINUX_REBOOT_CMD_CAD_OFF: u32 = 0x0000_0000;
// const LINUX_REBOOT_CMD_CAD_ON: u32 = 0x89ab_cdef;
const LINUX_REBOOT_CMD_CAD_OFF: u32 = 0x0000_0000;
const LINUX_REBOOT_CMD_CAD_ON: u32 = 0x89ab_cdef;
// const LINUX_REBOOT_CMD_HALT: u32 = 0xcdef_0123;
// const LINUX_REBOOT_CMD_KEXEC: u32 = 0x4558_4543;
const LINUX_REBOOT_CMD_POWER_OFF: u32 = 0x4321_fedc;
@@ -38,6 +41,14 @@ pub async fn sys_reboot(magic: u32, magic2: u32, op: u32, _arg: usize) -> Result
ArchImpl::power_off()
}
LINUX_REBOOT_CMD_RESTART => ArchImpl::restart(),
LINUX_REBOOT_CMD_CAD_ON => {
CAD_ENABLED.store(true, core::sync::atomic::Ordering::SeqCst);
Ok(0)
}
LINUX_REBOOT_CMD_CAD_OFF => {
CAD_ENABLED.store(false, core::sync::atomic::Ordering::SeqCst);
Ok(0)
}
// TODO: Implement other reboot operations.
_ => Err(KernelError::InvalidValue),
}