2abec30bcf
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2740 c046a42c-6fe2-441c-8c8c-71466251a162
185 lines
9.0 KiB
C
185 lines
9.0 KiB
C
/*
|
|
* QEMU internal VGA defines.
|
|
*
|
|
* Copyright (c) 2003-2004 Fabrice Bellard
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
#define MSR_COLOR_EMULATION 0x01
|
|
#define MSR_PAGE_SELECT 0x20
|
|
|
|
#define ST01_V_RETRACE 0x08
|
|
#define ST01_DISP_ENABLE 0x01
|
|
|
|
/* bochs VBE support */
|
|
#define CONFIG_BOCHS_VBE
|
|
|
|
#define VBE_DISPI_MAX_XRES 1600
|
|
#define VBE_DISPI_MAX_YRES 1200
|
|
#define VBE_DISPI_MAX_BPP 32
|
|
|
|
#define VBE_DISPI_INDEX_ID 0x0
|
|
#define VBE_DISPI_INDEX_XRES 0x1
|
|
#define VBE_DISPI_INDEX_YRES 0x2
|
|
#define VBE_DISPI_INDEX_BPP 0x3
|
|
#define VBE_DISPI_INDEX_ENABLE 0x4
|
|
#define VBE_DISPI_INDEX_BANK 0x5
|
|
#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
|
|
#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
|
|
#define VBE_DISPI_INDEX_X_OFFSET 0x8
|
|
#define VBE_DISPI_INDEX_Y_OFFSET 0x9
|
|
#define VBE_DISPI_INDEX_NB 0xa
|
|
|
|
#define VBE_DISPI_ID0 0xB0C0
|
|
#define VBE_DISPI_ID1 0xB0C1
|
|
#define VBE_DISPI_ID2 0xB0C2
|
|
#define VBE_DISPI_ID3 0xB0C3
|
|
#define VBE_DISPI_ID4 0xB0C4
|
|
|
|
#define VBE_DISPI_DISABLED 0x00
|
|
#define VBE_DISPI_ENABLED 0x01
|
|
#define VBE_DISPI_GETCAPS 0x02
|
|
#define VBE_DISPI_8BIT_DAC 0x20
|
|
#define VBE_DISPI_LFB_ENABLED 0x40
|
|
#define VBE_DISPI_NOCLEARMEM 0x80
|
|
|
|
#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
|
|
|
|
#ifdef CONFIG_BOCHS_VBE
|
|
|
|
#define VGA_STATE_COMMON_BOCHS_VBE \
|
|
uint16_t vbe_index; \
|
|
uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \
|
|
uint32_t vbe_start_addr; \
|
|
uint32_t vbe_line_offset; \
|
|
uint32_t vbe_bank_mask;
|
|
|
|
#else
|
|
|
|
#define VGA_STATE_COMMON_BOCHS_VBE
|
|
|
|
#endif /* !CONFIG_BOCHS_VBE */
|
|
|
|
#define CH_ATTR_SIZE (160 * 100)
|
|
#define VGA_MAX_HEIGHT 2048
|
|
|
|
#define VGA_STATE_COMMON \
|
|
uint8_t *vram_ptr; \
|
|
unsigned long vram_offset; \
|
|
unsigned int vram_size; \
|
|
unsigned long bios_offset; \
|
|
unsigned int bios_size; \
|
|
target_phys_addr_t base_ctrl; \
|
|
int it_shift; \
|
|
PCIDevice *pci_dev; \
|
|
uint32_t latch; \
|
|
uint8_t sr_index; \
|
|
uint8_t sr[256]; \
|
|
uint8_t gr_index; \
|
|
uint8_t gr[256]; \
|
|
uint8_t ar_index; \
|
|
uint8_t ar[21]; \
|
|
int ar_flip_flop; \
|
|
uint8_t cr_index; \
|
|
uint8_t cr[256]; /* CRT registers */ \
|
|
uint8_t msr; /* Misc Output Register */ \
|
|
uint8_t fcr; /* Feature Control Register */ \
|
|
uint8_t st00; /* status 0 */ \
|
|
uint8_t st01; /* status 1 */ \
|
|
uint8_t dac_state; \
|
|
uint8_t dac_sub_index; \
|
|
uint8_t dac_read_index; \
|
|
uint8_t dac_write_index; \
|
|
uint8_t dac_cache[3]; /* used when writing */ \
|
|
int dac_8bit; \
|
|
uint8_t palette[768]; \
|
|
int32_t bank_offset; \
|
|
int (*get_bpp)(struct VGAState *s); \
|
|
void (*get_offsets)(struct VGAState *s, \
|
|
uint32_t *pline_offset, \
|
|
uint32_t *pstart_addr, \
|
|
uint32_t *pline_compare); \
|
|
void (*get_resolution)(struct VGAState *s, \
|
|
int *pwidth, \
|
|
int *pheight); \
|
|
VGA_STATE_COMMON_BOCHS_VBE \
|
|
/* display refresh support */ \
|
|
DisplayState *ds; \
|
|
uint32_t font_offsets[2]; \
|
|
int graphic_mode; \
|
|
uint8_t shift_control; \
|
|
uint8_t double_scan; \
|
|
uint32_t line_offset; \
|
|
uint32_t line_compare; \
|
|
uint32_t start_addr; \
|
|
uint32_t plane_updated; \
|
|
uint8_t last_cw, last_ch; \
|
|
uint32_t last_width, last_height; /* in chars or pixels */ \
|
|
uint32_t last_scr_width, last_scr_height; /* in pixels */ \
|
|
uint8_t cursor_start, cursor_end; \
|
|
uint32_t cursor_offset; \
|
|
unsigned int (*rgb_to_pixel)(unsigned int r, \
|
|
unsigned int g, unsigned b); \
|
|
vga_hw_update_ptr update; \
|
|
vga_hw_invalidate_ptr invalidate; \
|
|
vga_hw_screen_dump_ptr screen_dump; \
|
|
/* hardware mouse cursor support */ \
|
|
uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
|
|
void (*cursor_invalidate)(struct VGAState *s); \
|
|
void (*cursor_draw_line)(struct VGAState *s, uint8_t *d, int y); \
|
|
/* tell for each page if it has been updated since the last time */ \
|
|
uint32_t last_palette[256]; \
|
|
uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
|
|
|
|
|
|
typedef struct VGAState {
|
|
VGA_STATE_COMMON
|
|
} VGAState;
|
|
|
|
static inline int c6_to_8(int v)
|
|
{
|
|
int b;
|
|
v &= 0x3f;
|
|
b = v & 1;
|
|
return (v << 2) | (b << 1) | b;
|
|
}
|
|
|
|
void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base,
|
|
unsigned long vga_ram_offset, int vga_ram_size);
|
|
void vga_init(VGAState *s);
|
|
uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
|
|
void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
|
|
void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
|
|
|
|
void vga_draw_cursor_line_8(uint8_t *d1, const uint8_t *src1,
|
|
int poffset, int w,
|
|
unsigned int color0, unsigned int color1,
|
|
unsigned int color_xor);
|
|
void vga_draw_cursor_line_16(uint8_t *d1, const uint8_t *src1,
|
|
int poffset, int w,
|
|
unsigned int color0, unsigned int color1,
|
|
unsigned int color_xor);
|
|
void vga_draw_cursor_line_32(uint8_t *d1, const uint8_t *src1,
|
|
int poffset, int w,
|
|
unsigned int color0, unsigned int color1,
|
|
unsigned int color_xor);
|
|
|
|
extern const uint8_t sr_mask[8];
|
|
extern const uint8_t gr_mask[16];
|