diff options
| -rw-r--r-- | x86_64/src/lib.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/x86_64/src/lib.rs b/x86_64/src/lib.rs index 473550e..3eae049 100644 --- a/x86_64/src/lib.rs +++ b/x86_64/src/lib.rs @@ -59,6 +59,8 @@ mod regs; use std::mem; use std::result; +use std::error::{self, Error as X86Error}; +use std::fmt::{self, Display}; use std::fs::File; use std::ffi::CStr; use std::sync::{Arc, Mutex}; @@ -106,6 +108,44 @@ pub enum Error { /// Invalid e820 setup params. E820Configuration, } + +impl error::Error for Error { + fn description(&self) -> &str { + match self { + &Error::ConfigureSystem => "Error configuring the system", + &Error::CpuSetup(_) => "Error configuring the VCPU", + &Error::CloneEventFd(_) => "Unable to clone an EventFd", + &Error::CreateEventFd(_) => "Unable to make an EventFd", + &Error::KernelOffsetPastEnd => + "The kernel extends past the end of RAM", + &Error::RegisterConfiguration(_) => + "Error configuring the VCPU registers", + &Error::FpuRegisterConfiguration(_) => + "Error configuring the VCPU floating point registers", + &Error::RegisterIrqfd(_) => "Error registering an IrqFd", + &Error::SegmentRegisterConfiguration(_) => + "Error configuring the VCPU segment registers", + &Error::LoadCmdline(_) => "Error Loading command line", + &Error::LoadKernel(_) => "Error Loading Kernel", + &Error::LocalIntConfiguration(_) => + "Error configuring the VCPU local interrupt", + &Error::MpTableSetup(_) => + "Error writing MP table to memory", + &Error::ZeroPageSetup => + "Error writing the zero page of guest memory", + &Error::ZeroPagePastRamEnd => + "The zero page extends past the end of guest_mem", + &Error::E820Configuration => "Invalid e820 setup params", + } + } +} + +impl Display for Error { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!(f, "X86 Arch Error: {}", Error::description(self)) + } +} + pub type Result<T> = result::Result<T, Error>; const BOOT_STACK_POINTER: u64 = 0x8000; |