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authormarcel <marcel@FreeBSD.org>2009-12-26 22:22:09 +0000
committermarcel <marcel@FreeBSD.org>2009-12-26 22:22:09 +0000
commitdfcc7c385f2569bde1e4bd62a5c78a40b557608f (patch)
treec9000c85f119ae25ddf3db091d70d20d70b828c7 /sys/ia64/include
parente280d6ac7692fd7fea8818270e7d003ed38f7399 (diff)
downloadFreeBSD-src-dfcc7c385f2569bde1e4bd62a5c78a40b557608f.zip
FreeBSD-src-dfcc7c385f2569bde1e4bd62a5c78a40b557608f.tar.gz
Use unordered memory loads and stores for the in* and out*
family of functions.
Diffstat (limited to 'sys/ia64/include')
-rw-r--r--sys/ia64/include/cpufunc.h30
1 files changed, 12 insertions, 18 deletions
diff --git a/sys/ia64/include/cpufunc.h b/sys/ia64/include/cpufunc.h
index 694f883..fe46911 100644
--- a/sys/ia64/include/cpufunc.h
+++ b/sys/ia64/include/cpufunc.h
@@ -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();
}
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