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xv6/x86.h: inline assembly cleanup

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rsc 2009-03-08 20:56:38 +00:00
parent 8eb20827c2
commit 4003e9bed8
1 changed files with 8 additions and 8 deletions
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4
x86.h
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@ -12,7 +12,7 @@ inb(ushort port)
static inline void static inline void
insl(int port, void *addr, int cnt) insl(int port, void *addr, int cnt)
{ {
asm volatile("cld\n\trepne\n\tinsl" : asm volatile("cld; repne insl" :
"=D" (addr), "=c" (cnt) : "=D" (addr), "=c" (cnt) :
"d" (port), "0" (addr), "1" (cnt) : "d" (port), "0" (addr), "1" (cnt) :
"memory", "cc"); "memory", "cc");
@ -33,7 +33,7 @@ outw(ushort port, ushort data)
static inline void static inline void
outsl(int port, const void *addr, int cnt) outsl(int port, const void *addr, int cnt)
{ {
asm volatile("cld\n\trepne\n\toutsl" : asm volatile("cld; repne outsl" :
"=S" (addr), "=c" (cnt) : "=S" (addr), "=c" (cnt) :
"d" (port), "0" (addr), "1" (cnt) : "d" (port), "0" (addr), "1" (cnt) :
"cc"); "cc");