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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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16
x86.h
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@ -12,10 +12,10 @@ inb(ushort port)
static inline void
insl(int port, void *addr, int cnt)
{
asm volatile("cld\n\trepne\n\tinsl" :
"=D" (addr), "=c" (cnt) :
"d" (port), "0" (addr), "1" (cnt) :
"memory", "cc");
asm volatile("cld; repne insl" :
"=D" (addr), "=c" (cnt) :
"d" (port), "0" (addr), "1" (cnt) :
"memory", "cc");
}
static inline void
@ -33,10 +33,10 @@ outw(ushort port, ushort data)
static inline void
outsl(int port, const void *addr, int cnt)
{
asm volatile("cld\n\trepne\n\toutsl" :
"=S" (addr), "=c" (cnt) :
"d" (port), "0" (addr), "1" (cnt) :
"cc");
asm volatile("cld; repne outsl" :
"=S" (addr), "=c" (cnt) :
"d" (port), "0" (addr), "1" (cnt) :
"cc");
}
static inline uint