diff options
Diffstat (limited to 'x86.h')
-rw-r--r-- | x86.h | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -1,5 +1,4 @@ -// Special assembly routines to access x86-specific -// hardware instructions. +// Routines to let C code use special x86 instructions. static inline uchar inb(ushort port) @@ -131,7 +130,8 @@ sti(void) asm volatile("sti"); } -// Layout of the trap frame on the stack upon entry to trap. +// Layout of the trap frame built on the stack by the +// hardware and by trapasm.S, and passed to trap(). struct trapframe { // registers as pushed by pusha uint edi; |