Date: Sat, 26 Dec 2009 22:22:10 +0000 (UTC) From: Marcel Moolenaar <marcel@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r201032 - head/sys/ia64/include Message-ID: <200912262222.nBQMMA0S022781@svn.freebsd.org>
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Author: marcel Date: Sat Dec 26 22:22:09 2009 New Revision: 201032 URL: http://svn.freebsd.org/changeset/base/201032 Log: Use unordered memory loads and stores for the in* and out* family of functions. Modified: head/sys/ia64/include/cpufunc.h Modified: head/sys/ia64/include/cpufunc.h ============================================================================== --- head/sys/ia64/include/cpufunc.h Sat Dec 26 22:06:55 2009 (r201031) +++ head/sys/ia64/include/cpufunc.h Sat Dec 26 22:22:09 2009 (r201032) @@ -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 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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