fix[syscall]: fix syscall arch_prctl

Author: eternalcomet

api/src/syscall/task/thread.rs

@@ -1,4 +1,5 @@
 use axerrno::{AxError, AxResult};
+use axhal::uspace::UserContext;
 use axtask::current;
 use num_enum::TryFromPrimitive;
 use starry_core::task::AsThread;
@@ -54,13 +55,13 @@ pub fn sys_set_tid_address(clear_child_tid: usize) -> AxResult<isize> {
 
 #[cfg(target_arch = "x86_64")]
 pub fn sys_arch_prctl(
-    tf: &mut axhal::context::TrapFrame,
+    tf: &mut UserContext,
     code: i32,
     addr: usize,
 ) -> AxResult<isize> {
     use starry_vm::VmMutPtr;
 
-    let code = ArchPrctlCode::try_from(code).map_err(|_| axerrno::AxError::EINVAL)?;
+    let code = ArchPrctlCode::try_from(code).map_err(|_| axerrno::AxError::InvalidInput)?;
     debug!("sys_arch_prctl: code = {:?}, addr = {:#x}", code, addr);
 
     match code {
@@ -76,7 +77,7 @@ pub fn sys_arch_prctl(
         }
         ArchPrctlCode::GetGs => {
             (addr as *mut usize)
-                .vm_write(unsafe { x86::msr::rdmsr(x86::msr::IA32_KERNEL_GSBASE) })?;
+                .vm_write(unsafe { x86::msr::rdmsr(x86::msr::IA32_KERNEL_GSBASE) as _ })?;
             Ok(0)
         }
         ArchPrctlCode::SetGs => {
@@ -86,6 +87,6 @@ pub fn sys_arch_prctl(
             Ok(0)
         }
         ArchPrctlCode::GetCpuid => Ok(0),
-        ArchPrctlCode::SetCpuid => Err(axerrno::AxError::ENODEV),
+        ArchPrctlCode::SetCpuid => Err(axerrno::AxError::NoSuchDevice),
     }
 }