ia64/xen-unstable

view tools/ioemu/hw/vga_int.h @ 17813:adf05a812edb

ioemu: simplyfing vga_draw_text code
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
author Keir Fraser <keir.fraser@citrix.com>
date Mon Jun 09 15:05:18 2008 +0100 (2008-06-09)
parents b6aa55ca599e
children dade7f0bdc8d
line source
1 /*
2 * QEMU internal VGA defines.
3 *
4 * Copyright (c) 2003-2004 Fabrice Bellard
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 #define MSR_COLOR_EMULATION 0x01
25 #define MSR_PAGE_SELECT 0x20
27 #define ST01_V_RETRACE 0x08
28 #define ST01_DISP_ENABLE 0x01
30 /* bochs VBE support */
31 //#define CONFIG_BOCHS_VBE
33 #define VBE_DISPI_MAX_XRES 1600
34 #define VBE_DISPI_MAX_YRES 1200
35 #define VBE_DISPI_MAX_BPP 32
37 #define VBE_DISPI_INDEX_ID 0x0
38 #define VBE_DISPI_INDEX_XRES 0x1
39 #define VBE_DISPI_INDEX_YRES 0x2
40 #define VBE_DISPI_INDEX_BPP 0x3
41 #define VBE_DISPI_INDEX_ENABLE 0x4
42 #define VBE_DISPI_INDEX_BANK 0x5
43 #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
44 #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
45 #define VBE_DISPI_INDEX_X_OFFSET 0x8
46 #define VBE_DISPI_INDEX_Y_OFFSET 0x9
47 #define VBE_DISPI_INDEX_NB 0xa
49 #define VBE_DISPI_ID0 0xB0C0
50 #define VBE_DISPI_ID1 0xB0C1
51 #define VBE_DISPI_ID2 0xB0C2
52 #define VBE_DISPI_ID3 0xB0C3
53 #define VBE_DISPI_ID4 0xB0C4
55 #define VBE_DISPI_DISABLED 0x00
56 #define VBE_DISPI_ENABLED 0x01
57 #define VBE_DISPI_GETCAPS 0x02
58 #define VBE_DISPI_8BIT_DAC 0x20
59 #define VBE_DISPI_LFB_ENABLED 0x40
60 #define VBE_DISPI_NOCLEARMEM 0x80
62 #define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
64 #ifdef CONFIG_BOCHS_VBE
66 #define VGA_STATE_COMMON_BOCHS_VBE \
67 uint16_t vbe_index; \
68 uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \
69 uint32_t vbe_start_addr; \
70 uint32_t vbe_line_offset; \
71 uint32_t vbe_bank_mask;
73 #else
75 #define VGA_STATE_COMMON_BOCHS_VBE
77 #endif /* !CONFIG_BOCHS_VBE */
79 #define CH_ATTR_SIZE (160 * 100)
80 #define VGA_MAX_HEIGHT 2048
82 #define VGA_STATE_COMMON \
83 uint8_t *vram_alloc; \
84 uint8_t *vram_ptr; \
85 uint8_t *vram_shadow; \
86 unsigned long vram_offset; \
87 unsigned int vram_size; \
88 unsigned long bios_offset; \
89 unsigned int bios_size; \
90 unsigned long lfb_addr; \
91 unsigned long lfb_end; \
92 PCIDevice *pci_dev; \
93 uint32_t latch; \
94 uint8_t sr_index; \
95 uint8_t sr[256]; \
96 uint8_t gr_index; \
97 uint8_t gr[256]; \
98 uint8_t ar_index; \
99 uint8_t ar[21]; \
100 int ar_flip_flop; \
101 uint8_t cr_index; \
102 uint8_t cr[256]; /* CRT registers */ \
103 uint8_t msr; /* Misc Output Register */ \
104 uint8_t fcr; /* Feature Control Register */ \
105 uint8_t st00; /* status 0 */ \
106 uint8_t st01; /* status 1 */ \
107 uint8_t dac_state; \
108 uint8_t dac_sub_index; \
109 uint8_t dac_read_index; \
110 uint8_t dac_write_index; \
111 uint8_t dac_cache[3]; /* used when writing */ \
112 int dac_8bit; \
113 uint8_t palette[768]; \
114 int32_t bank_offset; \
115 int (*get_bpp)(struct VGAState *s); \
116 void (*get_offsets)(struct VGAState *s, \
117 uint32_t *pline_offset, \
118 uint32_t *pstart_addr, \
119 uint32_t *pline_compare); \
120 void (*get_resolution)(struct VGAState *s, \
121 int *pwidth, \
122 int *pheight); \
123 VGA_STATE_COMMON_BOCHS_VBE \
124 /* display refresh support */ \
125 DisplayState *ds; \
126 uint32_t font_offsets[2]; \
127 int graphic_mode; \
128 uint8_t shift_control; \
129 uint8_t double_scan; \
130 uint32_t line_offset; \
131 uint32_t line_compare; \
132 uint32_t start_addr; \
133 uint32_t plane_updated; \
134 uint32_t last_line_offset; \
135 uint8_t last_cw, last_ch; \
136 uint32_t last_width, last_height; /* in chars or pixels */ \
137 uint32_t last_scr_width, last_scr_height; /* in pixels */ \
138 uint32_t last_depth; /* in bits */ \
139 uint8_t cursor_start, cursor_end; \
140 uint32_t cursor_offset; \
141 unsigned int (*rgb_to_pixel)(unsigned int r, \
142 unsigned int g, unsigned b); \
143 /* hardware mouse cursor support */ \
144 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
145 void (*cursor_invalidate)(struct VGAState *s); \
146 void (*cursor_draw_line)(struct VGAState *s, uint8_t *d, int y); \
147 /* tell for each page if it has been updated since the last time */ \
148 uint32_t last_palette[256]; \
149 uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
152 typedef struct VGAState {
153 VGA_STATE_COMMON
154 } VGAState;
156 static inline int c6_to_8(int v)
157 {
158 int b;
159 v &= 0x3f;
160 b = v & 1;
161 return (v << 2) | (b << 1) | b;
162 }
164 void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base,
165 unsigned long vga_ram_offset, int vga_ram_size);
166 uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
167 void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
168 void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
170 void vga_draw_cursor_line_8(uint8_t *d1, const uint8_t *src1,
171 int poffset, int w,
172 unsigned int color0, unsigned int color1,
173 unsigned int color_xor);
174 void vga_draw_cursor_line_16(uint8_t *d1, const uint8_t *src1,
175 int poffset, int w,
176 unsigned int color0, unsigned int color1,
177 unsigned int color_xor);
178 void vga_draw_cursor_line_32(uint8_t *d1, const uint8_t *src1,
179 int poffset, int w,
180 unsigned int color0, unsigned int color1,
181 unsigned int color_xor);
183 void *vga_update_vram(VGAState *s, void *vga_ram_base, int vga_ram_size);
184 extern const uint8_t sr_mask[8];
185 extern const uint8_t gr_mask[16];