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Code Issues Releases Activity

Use unordered memory loads and stores for the in* and out*

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family of functions.
This commit is contained in:
Marcel Moolenaar 2009-12-26 22:22:09 +00:00
parent d85de18e39
commit 76e42b3a0c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=201032
1 changed files with 12 additions and 18 deletions
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30
sys/ia64/include/cpufunc.h
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@ -64,11 +64,10 @@ extern void *ia64_ioport_address(u_int);
static __inline uint8_t
inb(unsigned int port)
{
__volatile uint8_t *p;
uint8_t v;
p = __PIO_ADDR(port);
ia64_mf();
v = *p;
v = ia64_ld1(__PIO_ADDR(port));
ia64_mf_a();
ia64_mf();
return (v);
@ -77,11 +76,10 @@ inb(unsigned int port)
static __inline uint16_t
inw(unsigned int port)
{
__volatile uint16_t *p;
uint16_t v;
p = __PIO_ADDR(port);
ia64_mf();
v = *p;
v = ia64_ld2(__PIO_ADDR(port));
ia64_mf_a();
ia64_mf();
return (v);
@ -90,11 +88,10 @@ inw(unsigned int port)
static __inline uint32_t
inl(unsigned int port)
{
volatile uint32_t *p;
uint32_t v;
p = __PIO_ADDR(port);
ia64_mf();
v = *p;
v = ia64_ld4(__PIO_ADDR(port));
ia64_mf_a();
ia64_mf();
return (v);
@ -127,10 +124,9 @@ insl(unsigned int port, void *addr, size_t count)
static __inline void
outb(unsigned int port, uint8_t data)
{
volatile uint8_t *p;
p = __PIO_ADDR(port);
ia64_mf();
*p = data;
ia64_st1(__PIO_ADDR(port), data);
ia64_mf_a();
ia64_mf();
}
@ -138,10 +134,9 @@ outb(unsigned int port, uint8_t data)
static __inline void
outw(unsigned int port, uint16_t data)
{
volatile uint16_t *p;
p = __PIO_ADDR(port);
ia64_mf();
*p = data;
ia64_st2(__PIO_ADDR(port), data);
ia64_mf_a();
ia64_mf();
}
@ -149,10 +144,9 @@ outw(unsigned int port, uint16_t data)
static __inline void
outl(unsigned int port, uint32_t data)
{
volatile uint32_t *p;
p = __PIO_ADDR(port);
ia64_mf();
*p = data;
ia64_st4(__PIO_ADDR(port), data);
ia64_mf_a();
ia64_mf();
}