PPC: e500: msync is 440 only, e500 has real sync
[qemu.git] / hw / sm501_template.h
1 /*
2 * Pixel drawing function templates for QEMU SM501 Device
3 *
4 * Copyright (c) 2008 Shin-ichiro KAWASAKI
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #if DEPTH == 8
26 #define BPP 1
27 #define PIXEL_TYPE uint8_t
28 #elif DEPTH == 15 || DEPTH == 16
29 #define BPP 2
30 #define PIXEL_TYPE uint16_t
31 #elif DEPTH == 32
32 #define BPP 4
33 #define PIXEL_TYPE uint32_t
34 #else
35 #error unsupport depth
36 #endif
37
38 #ifdef BGR_FORMAT
39 #define PIXEL_NAME glue(DEPTH, bgr)
40 #else
41 #define PIXEL_NAME DEPTH
42 #endif /* BGR_FORMAT */
43
44
45 static void glue(draw_line8_, PIXEL_NAME)(
46 uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
47 {
48 uint8_t v, r, g, b;
49 do {
50 v = ldub_raw(s);
51 r = (pal[v] >> 16) & 0xff;
52 g = (pal[v] >> 8) & 0xff;
53 b = (pal[v] >> 0) & 0xff;
54 ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
55 s ++;
56 d += BPP;
57 } while (-- width != 0);
58 }
59
60 static void glue(draw_line16_, PIXEL_NAME)(
61 uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
62 {
63 uint16_t rgb565;
64 uint8_t r, g, b;
65
66 do {
67 rgb565 = lduw_raw(s);
68 r = ((rgb565 >> 11) & 0x1f) << 3;
69 g = ((rgb565 >> 5) & 0x3f) << 2;
70 b = ((rgb565 >> 0) & 0x1f) << 3;
71 ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
72 s += 2;
73 d += BPP;
74 } while (-- width != 0);
75 }
76
77 static void glue(draw_line32_, PIXEL_NAME)(
78 uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
79 {
80 uint8_t r, g, b;
81
82 do {
83 ldub_raw(s);
84 #if defined(TARGET_WORDS_BIGENDIAN)
85 r = s[1];
86 g = s[2];
87 b = s[3];
88 #else
89 b = s[0];
90 g = s[1];
91 r = s[2];
92 #endif
93 ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
94 s += 4;
95 d += BPP;
96 } while (-- width != 0);
97 }
98
99 /**
100 * Draw hardware cursor image on the given line.
101 */
102 static void glue(draw_hwc_line_, PIXEL_NAME)(SM501State * s, int crt,
103 uint8_t * palette, int c_y, uint8_t *d, int width)
104 {
105 int x, i;
106 uint8_t bitset = 0;
107
108 /* get hardware cursor pattern */
109 uint32_t cursor_addr = get_hwc_address(s, crt);
110 assert(0 <= c_y && c_y < SM501_HWC_HEIGHT);
111 cursor_addr += 64 * c_y / 4; /* 4 pixels per byte */
112 cursor_addr += s->base;
113
114 /* get cursor position */
115 x = get_hwc_x(s, crt);
116 d += x * BPP;
117
118 for (i = 0; i < SM501_HWC_WIDTH && x + i < width; i++) {
119 uint8_t v;
120
121 /* get pixel value */
122 if (i % 4 == 0) {
123 bitset = ldub_phys(cursor_addr);
124 cursor_addr++;
125 }
126 v = bitset & 3;
127 bitset >>= 2;
128
129 /* write pixel */
130 if (v) {
131 v--;
132 uint8_t r = palette[v * 3 + 0];
133 uint8_t g = palette[v * 3 + 1];
134 uint8_t b = palette[v * 3 + 2];
135 ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
136 }
137 d += BPP;
138 }
139 }
140
141 #undef DEPTH
142 #undef BPP
143 #undef PIXEL_TYPE
144 #undef PIXEL_NAME
145 #undef BGR_FORMAT