diff options
Diffstat (limited to 'src/segmentation.rs')
| -rw-r--r-- | src/segmentation.rs | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/segmentation.rs b/src/segmentation.rs index e00ea34..d2354d4 100644 --- a/src/segmentation.rs +++ b/src/segmentation.rs @@ -1,3 +1,5 @@ +//! Program x86 segmentation hardware. + use core::fmt; /// Specifies which element to load into a segment from @@ -161,27 +163,27 @@ impl fmt::Debug for SegmentDescriptor { /// Reload stack segment register. pub unsafe fn load_ss(sel: SegmentSelector) { - asm!("movw $0, %ss " :: "r" (sel)); + asm!("movw $0, %ss " :: "r" (sel) : "memory"); } /// Reload data segment register. pub unsafe fn load_ds(sel: SegmentSelector) { - asm!("movw $0, %ds " :: "r" (sel)); + asm!("movw $0, %ds " :: "r" (sel) : "memory"); } /// Reload fs segment register. pub unsafe fn load_es(sel: SegmentSelector) { - asm!("movw $0, %es " :: "r" (sel)); + asm!("movw $0, %es " :: "r" (sel) : "memory"); } /// Reload fs segment register. pub unsafe fn load_fs(sel: SegmentSelector) { - asm!("movw $0, %fs " :: "r" (sel)); + asm!("movw $0, %fs " :: "r" (sel) : "memory"); } /// Reload gs segment register. pub unsafe fn load_gs(sel: SegmentSelector) { - asm!("movw $0, %gs " :: "r" (sel)); + asm!("movw $0, %gs " :: "r" (sel) : "memory"); } /// Reload code segment register. @@ -194,5 +196,5 @@ pub unsafe fn load_cs(sel: SegmentSelector) { lea 1f(%rip), %rax pushq %rax lretq - 1:" :: "r" (sel.bits() as u64) : "{rax}"); + 1:" :: "r" (sel.bits() as u64) : "{rax}" "memory"); } |