qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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bochs-vbe.h (2230B)


      1 #ifndef HW_DISPLAY_BOCHS_VBE_H
      2 #define HW_DISPLAY_BOCHS_VBE_H
      3 
      4 /*
      5  * bochs vesa bios extension interface
      6  */
      7 
      8 #define VBE_DISPI_MAX_XRES              16000
      9 #define VBE_DISPI_MAX_YRES              12000
     10 #define VBE_DISPI_MAX_BPP               32
     11 
     12 #define VBE_DISPI_INDEX_ID              0x0
     13 #define VBE_DISPI_INDEX_XRES            0x1
     14 #define VBE_DISPI_INDEX_YRES            0x2
     15 #define VBE_DISPI_INDEX_BPP             0x3
     16 #define VBE_DISPI_INDEX_ENABLE          0x4
     17 #define VBE_DISPI_INDEX_BANK            0x5
     18 #define VBE_DISPI_INDEX_VIRT_WIDTH      0x6
     19 #define VBE_DISPI_INDEX_VIRT_HEIGHT     0x7
     20 #define VBE_DISPI_INDEX_X_OFFSET        0x8
     21 #define VBE_DISPI_INDEX_Y_OFFSET        0x9
     22 #define VBE_DISPI_INDEX_NB              0xa /* size of vbe_regs[] */
     23 #define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa /* read-only, not in vbe_regs */
     24 
     25 /* VBE_DISPI_INDEX_ID */
     26 #define VBE_DISPI_ID0                   0xB0C0
     27 #define VBE_DISPI_ID1                   0xB0C1
     28 #define VBE_DISPI_ID2                   0xB0C2
     29 #define VBE_DISPI_ID3                   0xB0C3
     30 #define VBE_DISPI_ID4                   0xB0C4
     31 #define VBE_DISPI_ID5                   0xB0C5
     32 
     33 /* VBE_DISPI_INDEX_ENABLE */
     34 #define VBE_DISPI_DISABLED              0x00
     35 #define VBE_DISPI_ENABLED               0x01
     36 #define VBE_DISPI_GETCAPS               0x02
     37 #define VBE_DISPI_8BIT_DAC              0x20
     38 #define VBE_DISPI_LFB_ENABLED           0x40
     39 #define VBE_DISPI_NOCLEARMEM            0x80
     40 
     41 /* only used by isa-vga, pci vga devices use a memory bar */
     42 #define VBE_DISPI_LFB_PHYSICAL_ADDRESS  0xE0000000
     43 
     44 
     45 /*
     46  * qemu extension: mmio bar (region 2)
     47  */
     48 
     49 #define PCI_VGA_MMIO_SIZE     0x1000
     50 
     51 /* vga register region */
     52 #define PCI_VGA_IOPORT_OFFSET 0x400
     53 #define PCI_VGA_IOPORT_SIZE   (0x3e0 - 0x3c0)
     54 
     55 /* bochs vbe register region */
     56 #define PCI_VGA_BOCHS_OFFSET  0x500
     57 #define PCI_VGA_BOCHS_SIZE    (0x0b * 2)
     58 
     59 /* qemu extension register region */
     60 #define PCI_VGA_QEXT_OFFSET   0x600
     61 #define PCI_VGA_QEXT_SIZE     (2 * 4)
     62 
     63 /* qemu extension registers */
     64 #define PCI_VGA_QEXT_REG_SIZE         (0 * 4)
     65 #define PCI_VGA_QEXT_REG_BYTEORDER    (1 * 4)
     66 #define  PCI_VGA_QEXT_LITTLE_ENDIAN   0x1e1e1e1e
     67 #define  PCI_VGA_QEXT_BIG_ENDIAN      0xbebebebe
     68 
     69 #endif /* HW_DISPLAY_BOCHS_VBE_H */