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Make exit_qemu safe

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This commit is contained in:
Philipp Oppermann
2019-04-23 16:50:07 +02:00
parent c2f36e086e
commit 2e5f192f35
1 changed files with 7 additions and 7 deletions
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14
src/lib.rs
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@@ -14,15 +14,13 @@ pub fn test_runner(tests: &[&dyn Fn()]) {
for test in tests { for test in tests {
test(); test();
} }
unsafe { exit_qemu(QemuExitCode::Success) }; exit_qemu(QemuExitCode::Success);
} }
pub fn test_panic_handler(info: &PanicInfo) -> ! { pub fn test_panic_handler(info: &PanicInfo) -> ! {
serial_println!("[failed]\n"); serial_println!("[failed]\n");
serial_println!("Error: {}\n", info); serial_println!("Error: {}\n", info);
unsafe { exit_qemu(QemuExitCode::Failed);
exit_qemu(QemuExitCode::Failed);
}
loop {} loop {}
} }
@@ -33,11 +31,13 @@ pub enum QemuExitCode {
Failed = 0x11, Failed = 0x11,
} }
pub unsafe fn exit_qemu(exit_code: QemuExitCode) { pub fn exit_qemu(exit_code: QemuExitCode) {
use x86_64::instructions::port::Port; use x86_64::instructions::port::Port;
let mut port = Port::new(0xf4); unsafe {
port.write(exit_code as u32); let mut port = Port::new(0xf4);
port.write(exit_code as u32);
}
} }
/// Entry point for `cargo xtest` /// Entry point for `cargo xtest`