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-rw-r--r--sys/arch/sparc/dev/tcx.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/sys/arch/sparc/dev/tcx.c b/sys/arch/sparc/dev/tcx.c
index 6b075971c5c..4d2c289db57 100644
--- a/sys/arch/sparc/dev/tcx.c
+++ b/sys/arch/sparc/dev/tcx.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tcx.c,v 1.38 2008/12/24 21:29:23 miod Exp $ */
+/* $OpenBSD: tcx.c,v 1.39 2008/12/24 22:10:40 miod Exp $ */
/* $NetBSD: tcx.c,v 1.8 1997/07/29 09:58:14 fair Exp $ */
/*
@@ -253,7 +253,7 @@ tcxattach(struct device *parent, struct device *self, void *args)
* operations.
*
* Further code needing to know which capabilities the frame buffer
- * has will rely on sc_cplane being non NULL if 24 bit operation
+ * has will rely on sc_cplane being non-zero if 24 bit operation
* is possible.
*/
if (!node_has_property(node, "tcx-8-bit") &&
@@ -783,6 +783,8 @@ tcx_blit(struct tcx_softc *sc, uint32_t dst, uint32_t src, int len)
#define GXcopy 0x03
#define GXinvert 0x0a
+#define STIPPLE_ROP_SHIFT 28
+
/*
* Perform a stipple operation rop from (x, y) to (x + cnt - 1, y).
*
@@ -802,7 +804,7 @@ tcx_stipple(struct tcx_softc *sc, int x, int y, int cnt, int rop, int bg)
uint32_t soffs; /* stipple offset */
uint64_t scmd;
- scmd = rop << 28;
+ scmd = rop << STIPPLE_ROP_SHIFT;
scmd |= TCX_CTL_8_MAPPED | bg; /* pixel bits, here in 8-bit mode */
scmd <<= 32;
@@ -811,7 +813,7 @@ tcx_stipple(struct tcx_softc *sc, int x, int y, int cnt, int rop, int bg)
* boundary, which explains why the loop is a bit unnatural
* at first glance.
*/
- rx = x & ~31;
+ rx = x & ~(32 - 1);
soffs = sc->sc_stipple + ((y * sc->sc_sunfb.sf_width + rx) << 3);
lbcnt = x - rx;
wmask = 0xffffffff >> lbcnt;
@@ -918,12 +920,12 @@ tcx_putchar(void *cookie, int row, int col, u_int uc, long attr)
uint32_t soffs;
uint64_t stmpl, scmd;
- stmpl = (GXcopy << 28) | TCX_CTL_8_MAPPED;
+ stmpl = (GXcopy << STIPPLE_ROP_SHIFT) | TCX_CTL_8_MAPPED;
fontbits = (uint8_t *)font->data +
(uc - font->firstchar) * ri->ri_fontscale;
- rx = x & ~31;
+ rx = x & ~(32 - 1);
lbcnt = x - rx;
rbcnt = (32 - lbcnt) - font->fontwidth; /* may be negative */
soffs = sc->sc_stipple +