diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/seabios/vgasrc/vgabios.h | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/seabios/vgasrc/vgabios.h')
-rw-r--r-- | qemu/roms/seabios/vgasrc/vgabios.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/qemu/roms/seabios/vgasrc/vgabios.h b/qemu/roms/seabios/vgasrc/vgabios.h new file mode 100644 index 000000000..fd796f2e6 --- /dev/null +++ b/qemu/roms/seabios/vgasrc/vgabios.h @@ -0,0 +1,149 @@ +#ifndef __VGABIOS_H +#define __VGABIOS_H + +#include "config.h" // CONFIG_VGA_EMULATE_TEXT +#include "types.h" // u8 +#include "farptr.h" // struct segoff_s +#include "std/vga.h" // struct video_param_s + +// Save/Restore flags +#define SR_HARDWARE 0x0001 +#define SR_BDA 0x0002 +#define SR_DAC 0x0004 +#define SR_REGISTERS 0x0008 +#define SR_SAVE 0x0100 +#define SR_RESTORE 0x0200 + +// Mode flags +#define MF_LEGACY 0x0001 +#define MF_GRAYSUM 0x0002 +#define MF_NOPALETTE 0x0008 +#define MF_CUSTOMCRTC 0x0800 +#define MF_LINEARFB 0x4000 +#define MF_NOCLEARMEM 0x8000 +#define MF_VBEFLAGS 0xfe00 + +// Memory model types +#define MM_TEXT 0x00 +#define MM_CGA 0x01 +#define MM_HERCULES 0x02 +#define MM_PLANAR 0x03 +#define MM_PACKED 0x04 +#define MM_NON_CHAIN_4_256 0x05 +#define MM_DIRECT 0x06 +#define MM_YUV 0x07 + +struct vgamode_s { + u8 memmodel; + u16 width; + u16 height; + u8 depth; + u8 cwidth; + u8 cheight; + u16 sstart; +}; + +// Graphics pixel operations. +struct gfx_op { + struct vgamode_s *vmode_g; + u32 linelength; + u32 displaystart; + + u8 op; + u16 x, y; + + u8 pixels[8]; + u16 xlen, ylen; + u16 srcy; +}; + +#define GO_READ8 1 +#define GO_WRITE8 2 +#define GO_MEMSET 3 +#define GO_MEMMOVE 4 + +// Custom internal storage in BDA +#define VGA_CUSTOM_BDA 0xb9 + +struct vga_bda_s { + u8 flags; + u16 vbe_mode; + u16 vgamode_offset; +} PACKED; + +#define BF_PM_MASK 0x0f +#define BF_EMULATE_TEXT 0x10 +#define BF_SWCURSOR 0x20 + +#define GET_BDA_EXT(var) \ + GET_FARVAR(SEG_BDA, ((struct vga_bda_s *)VGA_CUSTOM_BDA)->var) +#define SET_BDA_EXT(var, val) \ + SET_FARVAR(SEG_BDA, ((struct vga_bda_s *)VGA_CUSTOM_BDA)->var, (val)) +#define MASK_BDA_EXT(var, off, on) \ + SET_BDA_EXT(var, (GET_BDA_EXT(var) & ~(off)) | (on)) + +static inline int vga_emulate_text(void) { + return CONFIG_VGA_EMULATE_TEXT && GET_BDA_EXT(flags) & BF_EMULATE_TEXT; +} + +// Debug settings +#define DEBUG_VGA_POST 1 +#define DEBUG_VGA_10 3 + +// vgafonts.c +extern u8 vgafont8[]; +extern u8 vgafont14[]; +extern u8 vgafont16[]; +extern u8 vgafont14alt[]; +extern u8 vgafont16alt[]; + +// vgainit.c +extern struct video_save_pointer_s video_save_pointer_table; +extern struct video_param_s video_param_table[29]; + +// vgabios.c +extern int VgaBDF; +extern int HaveRunInit; +#define SET_VGA(var, val) SET_FARVAR(get_global_seg(), (var), (val)) +struct carattr { + u8 car, attr, use_attr, pad; +}; +struct cursorpos { + u8 x, y, page, pad; +}; +int vga_bpp(struct vgamode_s *vmode_g); +u16 calc_page_size(u8 memmodel, u16 width, u16 height); +u16 get_cursor_shape(void); +struct cursorpos get_cursor_pos(u8 page); +int bda_save_restore(int cmd, u16 seg, void *data); +struct vgamode_s *get_current_mode(void); +int vga_set_mode(int mode, int flags); +extern struct video_func_static static_functionality; + +// vgafb.c +void init_gfx_op(struct gfx_op *op, struct vgamode_s *vmode_g); +void handle_gfx_op(struct gfx_op *op); +void *text_address(struct cursorpos cp); +void vgafb_move_chars(struct cursorpos dest + , struct cursorpos src, struct cursorpos movesize); +void vgafb_clear_chars(struct cursorpos dest + , struct carattr ca, struct cursorpos movesize); +void vgafb_write_char(struct cursorpos cp, struct carattr ca); +struct carattr vgafb_read_char(struct cursorpos cp); +void vgafb_write_pixel(u8 color, u16 x, u16 y); +u8 vgafb_read_pixel(u16 x, u16 y); +void vgafb_set_swcursor(int enable); + +// vbe.c +extern u32 VBE_total_memory; +extern u32 VBE_capabilities; +extern u32 VBE_framebuffer; +extern u16 VBE_win_granularity; +#define VBE_OEM_STRING "SeaBIOS VBE(C) 2011" +#define VBE_VENDOR_STRING "SeaBIOS Developers" +#define VBE_PRODUCT_STRING "SeaBIOS VBE Adapter" +#define VBE_REVISION_STRING "Rev. 1" +struct bregs; +void handle_104f(struct bregs *regs); + +#endif // vgabios.h |