Author: jkim
Date: Wed Mar 24 15:40:18 2010
New Revision: 205605
URL: http://svn.freebsd.org/changeset/base/205605
Log:
Align memory access of 24-bit pixel renderer to word boundary.
Modified:
head/sys/dev/syscons/scvgarndr.c
Modified: head/sys/dev/syscons/scvgarndr.c
==============================================================================
--- head/sys/dev/syscons/scvgarndr.c Wed Mar 24 15:37:47 2010
(r205604)
+++ head/sys/dev/syscons/scvgarndr.c Wed Mar 24 15:40:18 2010
(r205605)
@@ -184,8 +184,13 @@ static u_short mouse_or_mask[16] = {
writel(pos, vga_palette32[color]); \
break; \
case 24: \
- writew(pos, vga_palette32[color]); \
- writeb(pos + 2, vga_palette32[color] >> 16); \
+ if (((pos) & 1) == 0) { \
+ writew(pos, vga_palette32[color]); \
+ writeb(pos + 2, vga_palette32[color] >> 16);\
+ } else { \
+ writeb(pos, vga_palette32[color]); \
+ writew(pos + 1, vga_palette32[color] >> 8);\
+ } \
break; \
case 16: \
if (scp->sc->adp->va_info.vi_pixel_fsizes[1] == 5)\
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