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convert to use bus_space_set_region_2() and bus_space_copy_2(), rather

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than in-line clear and copy loops.
This commit is contained in:
cgd 1996-12-02 22:24:54 +00:00
parent 30b636bd09
commit 81e9bda988
1 changed files with 17 additions and 39 deletions
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56
sys/arch/alpha/common/vga.c
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@ -1,4 +1,4 @@
/* $NetBSD: vga.c,v 1.2 1996/11/23 06:06:43 cgd Exp $ */
/* $NetBSD: vga.c,v 1.3 1996/12/02 22:24:54 cgd Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
@ -295,20 +295,14 @@ vga_copycols(id, row, srccol, dstcol, ncols)
int row, srccol, dstcol, ncols;
{
struct vga_config *vc = id;
bus_space_tag_t memt = vc->vc_memt;
bus_space_handle_t memh = vc->vc_memh;
bus_size_t srcoff, srcend, dstoff;
bus_size_t srcoff, dstoff;
/*
* YUCK. Need bus copy functions.
*/
srcoff = (row * vc->vc_ncol + srccol) * 2;
srcend = srcoff + ncols * 2;
dstoff = (row * vc->vc_ncol + dstcol) * 2;
for (; srcoff < srcend; srcoff += 2, dstoff += 2)
bus_space_write_2(memt, memh, dstoff,
bus_space_read_2(memt, memh, srcoff));
/* XXX SHOULDN'T USE THIS IF REGIONS OVERLAP... */
bus_space_copy_2(vc->vc_memt, vc->vc_memh, srcoff, vc->vc_memh, dstoff,
ncols);
}
static void
@ -317,20 +311,15 @@ vga_erasecols(id, row, startcol, ncols)
int row, startcol, ncols;
{
struct vga_config *vc = id;
bus_space_tag_t memt = vc->vc_memt;
bus_space_handle_t memh = vc->vc_memh;
bus_size_t off, endoff;
bus_size_t off, count;
u_int16_t val;
/*
* YUCK. Need bus 'set' functions.
*/
off = (row * vc->vc_ncol + startcol) * 2;
endoff = off + ncols * 2;
count = ncols * 2;
val = (vc->vc_at << 8) | ' ';
for (; off < endoff; off += 2)
bus_space_write_2(memt, memh, off, val);
bus_space_set_region_2(vc->vc_memt, vc->vc_memh, off, count, val);
}
static void
@ -339,20 +328,14 @@ vga_copyrows(id, srcrow, dstrow, nrows)
int srcrow, dstrow, nrows;
{
struct vga_config *vc = id;
bus_space_tag_t memt = vc->vc_memt;
bus_space_handle_t memh = vc->vc_memh;
bus_size_t srcoff, srcend, dstoff;
bus_size_t srcoff, dstoff;
/*
* YUCK. Need bus copy functions.
*/
srcoff = (srcrow * vc->vc_ncol + 0) * 2;
srcend = srcoff + (nrows * vc->vc_ncol * 2);
dstoff = (dstrow * vc->vc_ncol + 0) * 2;
for (; srcoff < srcend; srcoff += 2, dstoff += 2)
bus_space_write_2(memt, memh, dstoff,
bus_space_read_2(memt, memh, srcoff));
/* XXX SHOULDN'T USE THIS IF REGIONS OVERLAP... */
bus_space_copy_2(vc->vc_memt, vc->vc_memh, srcoff, vc->vc_memh, dstoff,
nrows * vc->vc_ncol);
}
static void
@ -361,18 +344,13 @@ vga_eraserows(id, startrow, nrows)
int startrow, nrows;
{
struct vga_config *vc = id;
bus_space_tag_t memt = vc->vc_memt;
bus_space_handle_t memh = vc->vc_memh;
bus_size_t off, endoff;
bus_size_t off, count;
u_int16_t val;
/*
* YUCK. Need bus 'set' functions.
*/
off = (startrow * vc->vc_ncol + 0) * 2;
endoff = off + (nrows * vc->vc_ncol) * 2;
count = nrows * vc->vc_ncol;
val = (vc->vc_at << 8) | ' ';
for (; off < endoff; off += 2)
bus_space_write_2(memt, memh, off, val);
bus_space_set_region_2(vc->vc_memt, vc->vc_memh, off, val, count);
}