Add errors::Exception enumeration

This enumeration covers the exception cases supported by AMD and Intel.

Signed-off-by: Nathaniel McCallum <[email protected]>

Author: npmccallum

src/errors.rs

@@ -0,0 +1,80 @@
+//! This module contains errors and exception types.
+
+/// Exception Error Codes
+///
+/// This structure is defined by the following manual sections:
+///   * AMD Volume 2: 8.2
+///   * Intel Volume 3A: 6.3.1
+#[repr(u8)]
+#[non_exhaustive]
+#[derive(Copy, Clone, Debug, PartialEq)]
+pub enum Exception {
+    /// Divide-by-zero Error
+    DivideByZero = 0x00,
+
+    /// Debug
+    Debug = 0x01,
+
+    /// Non-Maskable Interrupt
+    NonMaskableInterrupt = 0x02,
+
+    /// Breakpoint
+    Breakpoint = 0x03,
+
+    /// Overflow
+    Overflow = 0x04,
+
+    /// Bound Range Exceeded
+    BoundRange = 0x05,
+
+    /// Invalid Opcode
+    InvalidOpcode = 0x06,
+
+    /// Device Not Available
+    DeviceNotAvailable = 0x07,
+
+    /// Double Fault
+    DoubleFault = 0x08,
+
+    /// Invalid TSS
+    InvalidTss = 0x0A,
+
+    /// Segment Not Present
+    SegmentNotPresent = 0x0B,
+
+    /// Stack Fault
+    Stack = 0x0C,
+
+    /// General Protection Fault
+    GeneralProtection = 0x0D,
+
+    /// Page Fault
+    Page = 0x0E,
+
+    /// x87 Floating-Point Exception
+    FloatingPoint = 0x10,
+
+    /// Alignment Check
+    AlignmentCheck = 0x11,
+
+    /// Machine Check
+    MachineCheck = 0x12,
+
+    /// SIMD Floating-Point Exception
+    SimdFloatingPoint = 0x13,
+
+    /// Virtualization Exception (Intel-only)
+    Virtualization = 0x14,
+
+    /// Control Protection Exception (AMD-only)
+    ControlProtection = 0x15,
+
+    /// Hypervisor Injection (AMD-only)
+    HypervisorInjection = 0x1C,
+
+    /// VMM Communication (AMD-only)
+    VmmCommunication = 0x1D,
+
+    /// Security Exception
+    Security = 0x1E,
+}

src/lib.rs

@@ -62,6 +62,7 @@ macro_rules! const_assert {
 pub(crate) mod asm;
 
 pub mod addr;
+pub mod errors;
 pub mod instructions;
 pub mod registers;
 pub mod structures;