Date: Tue, 17 Jul 2012 19:00:47 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r238555 - stable/9/sys/dev/fb Message-ID: <201207171900.q6HJ0lui083903@svn.freebsd.org>
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Author: kib Date: Tue Jul 17 19:00:46 2012 New Revision: 238555 URL: http://svn.freebsd.org/changeset/base/238555 Log: MFC r237203,r237223 (by phk): Fix writes to the video memory of the VGA to always use half-word sized writes. Approved by: re (hrs), phk Modified: stable/9/sys/dev/fb/fbreg.h Directory Properties: stable/9/sys/ (props changed) stable/9/sys/dev/ (props changed) Modified: stable/9/sys/dev/fb/fbreg.h ============================================================================== --- stable/9/sys/dev/fb/fbreg.h Tue Jul 17 18:04:34 2012 (r238554) +++ stable/9/sys/dev/fb/fbreg.h Tue Jul 17 19:00:46 2012 (r238555) @@ -35,9 +35,17 @@ /* some macros */ #if defined(__amd64__) || defined(__i386__) -#define bcopy_io(s, d, c) bcopy((void *)(s), (void *)(d), (c)) -#define bcopy_toio(s, d, c) bcopy((void *)(s), (void *)(d), (c)) -#define bcopy_fromio(s, d, c) bcopy((void *)(s), (void *)(d), (c)) + +static __inline void +copyw(uint16_t *src, uint16_t *dst, size_t size) +{ + size >>= 1; + while (size--) + *dst++ = *src++; +} +#define bcopy_io(s, d, c) copyw((void*)(s), (void*)(d), (c)) +#define bcopy_toio(s, d, c) copyw((void*)(s), (void*)(d), (c)) +#define bcopy_fromio(s, d, c) copyw((void*)(s), (void*)(d), (c)) #define bzero_io(d, c) bzero((void *)(d), (c)) #define fill_io(p, d, c) fill((p), (void *)(d), (c)) #define fillw_io(p, d, c) fillw((p), (void *)(d), (c))
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