| /* |
| * 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. |
| */ |
| |
| #include <hw/hw.h> |
| |
| #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; \ |
| int vbe_mapped; |
| #else |
| |
| #define VGA_STATE_COMMON_BOCHS_VBE |
| |
| #endif /* !CONFIG_BOCHS_VBE */ |
| |
| #define CH_ATTR_SIZE (160 * 100) |
| #define VGA_MAX_HEIGHT 2048 |
| |
| struct vga_precise_retrace { |
| int64_t ticks_per_char; |
| int64_t total_chars; |
| int htotal; |
| int hstart; |
| int hend; |
| int vstart; |
| int vend; |
| int freq; |
| }; |
| |
| union vga_retrace { |
| struct vga_precise_retrace precise; |
| }; |
| |
| struct VGACommonState; |
| typedef uint8_t (* vga_retrace_fn)(struct VGACommonState *s); |
| typedef void (* vga_update_retrace_info_fn)(struct VGACommonState *s); |
| |
| typedef struct VGACommonState { |
| uint8_t *vram_ptr; |
| ram_addr_t vram_offset; |
| unsigned int vram_size; |
| uint32_t lfb_addr; |
| uint32_t lfb_end; |
| uint32_t map_addr; |
| uint32_t map_end; |
| uint32_t lfb_vram_mapped; /* whether 0xa0000 is mapped as ram */ |
| uint32_t bios_offset; |
| uint32_t bios_size; |
| 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 vga_io_memory; |
| int (*get_bpp)(struct VGACommonState *s); |
| void (*get_offsets)(struct VGACommonState *s, |
| uint32_t *pline_offset, |
| uint32_t *pstart_addr, |
| uint32_t *pline_compare); |
| void (*get_resolution)(struct VGACommonState *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; |
| uint32_t last_line_offset; |
| 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 */ |
| uint32_t last_depth; /* in bits */ |
| 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; |
| vga_hw_text_update_ptr text_update; |
| /* hardware mouse cursor support */ |
| uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; |
| void (*cursor_invalidate)(struct VGACommonState *s); |
| void (*cursor_draw_line)(struct VGACommonState *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 */ |
| /* retrace */ |
| vga_retrace_fn retrace; |
| vga_update_retrace_info_fn update_retrace_info; |
| union vga_retrace retrace_info; |
| uint8_t is_vbe_vmstate; |
| } VGACommonState; |
| |
| 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(VGACommonState *s, int vga_ram_size); |
| void vga_init(VGACommonState *s); |
| void vga_common_reset(VGACommonState *s); |
| |
| void vga_dirty_log_start(VGACommonState *s); |
| void vga_dirty_log_stop(VGACommonState *s); |
| void vga_dirty_log_restart(VGACommonState *s); |
| |
| extern const VMStateDescription vmstate_vga_common; |
| uint32_t vga_ioport_read(void *opaque, uint32_t addr); |
| void vga_ioport_write(void *opaque, uint32_t addr, uint32_t val); |
| 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(VGACommonState *s, int y1, int y2); |
| int ppm_save(const char *filename, struct DisplaySurface *ds); |
| |
| 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); |
| |
| int vga_ioport_invalid(VGACommonState *s, uint32_t addr); |
| void vga_init_vbe(VGACommonState *s); |
| |
| extern const uint8_t sr_mask[8]; |
| extern const uint8_t gr_mask[16]; |
| |
| #define VGA_RAM_SIZE (8192 * 1024) |
| #define VGABIOS_FILENAME "vgabios.bin" |
| #define VGABIOS_CIRRUS_FILENAME "vgabios-cirrus.bin" |
| |
| extern CPUReadMemoryFunc * const vga_mem_read[3]; |
| extern CPUWriteMemoryFunc * const vga_mem_write[3]; |