diff options
Diffstat (limited to 'src/bits64/rflags.rs')
| -rw-r--r-- | src/bits64/rflags.rs | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/bits64/rflags.rs b/src/bits64/rflags.rs index e6dae17..1d10219 100644 --- a/src/bits64/rflags.rs +++ b/src/bits64/rflags.rs @@ -1,10 +1,10 @@ //! Processor state stored in the RFLAGS register. //! -//! In 64-bit mode, EFLAGS is extended to 64 bits and called RFLAGS. -//! The upper 32 bits of RFLAGS register is reserved. +//! In 64-bit mode, EFLAGS is extended to 64 bits and called RFLAGS. +//! The upper 32 bits of RFLAGS register is reserved. //! The lower 32 bits of RFLAGS is the same as EFLAGS. -use ::Ring; +use Ring; /// The RFLAGS register. /// This is duplicated code from bits32 eflags.rs. @@ -63,18 +63,20 @@ impl RFlags { /// Creates a new Flags with the given I/O privilege level. pub const fn from_priv(iopl: Ring) -> RFlags { - RFlags { bits: (iopl as u64) << 12 } + RFlags { + bits: (iopl as u64) << 12, + } } } -#[cfg(target_arch="x86-64")] +#[cfg(target_arch = "x86-64")] pub unsafe fn read() -> RFlags { let r: u64; asm!("pushfq; popq $0" : "=r"(r) :: "memory"); RFlags::from_bits_truncate(r) } -#[cfg(target_arch="x86-64")] +#[cfg(target_arch = "x86-64")] pub unsafe fn set(val: RFlags) { asm!("pushq $0; popfq" :: "r"(val.bits()) : "memory" "flags"); } |