{
/* See [IA32-v2a] "IN". */
uint8_t data;
- asm volatile ("inb %0, %w1" : "=a" (data) : "d" (port));
+ asm volatile ("inb %w1,%0" : "=a" (data) : "d" (port));
return data;
}
insb (uint16_t port, void *addr, size_t cnt)
{
/* See [IA32-v2a] "INS". */
- asm volatile ("cld; repne insb"
+ asm volatile ("cld; repne; insb"
: "=D" (addr), "=c" (cnt)
: "d" (port), "0" (addr), "1" (cnt)
: "memory", "cc");
{
uint16_t data;
/* See [IA32-v2a] "IN". */
- asm volatile ("inw %0, %w1" : "=a" (data) : "d" (port));
+ asm volatile ("inw %w1,%0" : "=a" (data) : "d" (port));
return data;
}
insw (uint16_t port, void *addr, size_t cnt)
{
/* See [IA32-v2a] "INS". */
- asm volatile ("cld; repne insw"
+ asm volatile ("cld; repne; insw"
: "=D" (addr), "=c" (cnt)
: "d" (port), "0" (addr), "1" (cnt)
: "memory", "cc");
{
/* See [IA32-v2a] "IN". */
uint32_t data;
- asm volatile ("inl %0, %w1" : "=a" (data) : "d" (port));
+ asm volatile ("inl %w1,%0" : "=a" (data) : "d" (port));
return data;
}
insl (uint16_t port, void *addr, size_t cnt)
{
/* See [IA32-v2a] "INS". */
- asm volatile ("cld; repne insl"
+ asm volatile ("cld; repne; insl"
: "=D" (addr), "=c" (cnt)
: "d" (port), "0" (addr), "1" (cnt)
: "memory", "cc");
outb (uint16_t port, uint8_t data)
{
/* See [IA32-v2b] "OUT". */
- asm volatile ("outb %w1, %0" : : "a" (data), "d" (port));
+ asm volatile ("outb %0,%w1" : : "a" (data), "d" (port));
}
/* Writes to PORT each byte of data in the CNT-byte buffer
outsb (uint16_t port, const void *addr, size_t cnt)
{
/* See [IA32-v2b] "OUTS". */
- asm volatile ("cld; repne outsb"
+ asm volatile ("cld; repne; outsb"
: "=S" (addr), "=c" (cnt)
: "d" (port), "0" (addr), "1" (cnt)
: "cc");
outw (uint16_t port, uint16_t data)
{
/* See [IA32-v2b] "OUT". */
- asm volatile ("outw %w1, %0" : : "a" (data), "d" (port));
+ asm volatile ("outw %0,%w1" : : "a" (data), "d" (port));
}
/* Writes to PORT each 16-bit unit (halfword) of data in the
outsw (uint16_t port, const void *addr, size_t cnt)
{
/* See [IA32-v2b] "OUTS". */
- asm volatile ("cld; repne outsw"
+ asm volatile ("cld; repne; outsw"
: "=S" (addr), "=c" (cnt)
: "d" (port), "0" (addr), "1" (cnt)
: "cc");
outl (uint16_t port, uint32_t data)
{
/* See [IA32-v2b] "OUT". */
- asm volatile ("outl %w1, %0" : : "a" (data), "d" (port));
+ asm volatile ("outl %0,%w1" : : "a" (data), "d" (port));
}
/* Writes to PORT each 32-bit unit (word) of data in the CNT-word
outsl (uint16_t port, const void *addr, size_t cnt)
{
/* See [IA32-v2b] "OUTS". */
- asm volatile ("cld; repne outsl"
+ asm volatile ("cld; repne; outsl"
: "=S" (addr), "=c" (cnt)
: "d" (port), "0" (addr), "1" (cnt)
: "cc");