diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-10-10 15:44:19 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-10-10 15:44:19 +0000 |
| commit | 188d857911636fa43628eb8a7beeab4702636317 (patch) | |
| tree | 8a907e76d2a08d23a9c496074f2d8b59d9ac9818 /hw/vga_template.h | |
| parent | 9bc9d1c75abf23b1a11c8e633fe5eeb3d6d4c8d3 (diff) | |
limited 8 bit support - removed unaligned memory accesses in VGA (initial patch by Johannes Schindelin)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1116 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw/vga_template.h')
| -rw-r--r-- | hw/vga_template.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/hw/vga_template.h b/hw/vga_template.h index 51302b3495..909571ebb3 100644 --- a/hw/vga_template.h +++ b/hw/vga_template.h @@ -44,7 +44,7 @@ static inline void glue(vga_draw_glyph_line_, DEPTH)(uint8_t *d, { #if BPP == 1 ((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol; - ((uint32_t *)d)[3] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol; + ((uint32_t *)d)[1] = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol; #elif BPP == 2 ((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol; ((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol; @@ -106,22 +106,21 @@ static void glue(vga_draw_glyph9_, DEPTH)(uint8_t *d, int linesize, xorcol = bgcol ^ fgcol; do { font_data = font_ptr[0]; - /* XXX: unaligned accesses are done */ #if BPP == 1 - ((uint32_t *)d)[0] = (dmask16[(font_data >> 4)] & xorcol) ^ bgcol; + cpu_to_32wu((uint32_t *)d, (dmask16[(font_data >> 4)] & xorcol) ^ bgcol); v = (dmask16[(font_data >> 0) & 0xf] & xorcol) ^ bgcol; - ((uint32_t *)d)[3] = v; + cpu_to_32wu(((uint32_t *)d)+1, v); if (dup9) ((uint8_t *)d)[8] = v >> (24 * (1 - BIG)); else ((uint8_t *)d)[8] = bgcol; #elif BPP == 2 - ((uint32_t *)d)[0] = (dmask4[(font_data >> 6)] & xorcol) ^ bgcol; - ((uint32_t *)d)[1] = (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol; - ((uint32_t *)d)[2] = (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol; + cpu_to_32wu(((uint32_t *)d)+0, (dmask4[(font_data >> 6)] & xorcol) ^ bgcol); + cpu_to_32wu(((uint32_t *)d)+1, (dmask4[(font_data >> 4) & 3] & xorcol) ^ bgcol); + cpu_to_32wu(((uint32_t *)d)+2, (dmask4[(font_data >> 2) & 3] & xorcol) ^ bgcol); v = (dmask4[(font_data >> 0) & 3] & xorcol) ^ bgcol; - ((uint32_t *)d)[3] = v; + cpu_to_32wu(((uint32_t *)d)+3, v); if (dup9) ((uint16_t *)d)[8] = v >> (16 * (1 - BIG)); else |