1 files changed, 69 insertions, 0 deletions
diff --git a/include/hw/display/bochs-vbe.h b/include/hw/display/bochs-vbe.h
new file mode 100644
index 0000000000..bc2f046eee
--- /dev/null
+++ b/include/hw/display/bochs-vbe.h
@@ -0,0 +1,69 @@
+#ifndef HW_DISPLAY_BOCHS_VBE_H
+#define HW_DISPLAY_BOCHS_VBE_H
+
+/*
+ * bochs vesa bios extension interface
+ */
+
+#define VBE_DISPI_MAX_XRES              16000
+#define VBE_DISPI_MAX_YRES              12000
+#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 /* size of vbe_regs[] */
+#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa /* read-only, not in vbe_regs */
+
+/* VBE_DISPI_INDEX_ID */
+#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_ID5                   0xB0C5
+
+/* VBE_DISPI_INDEX_ENABLE */
+#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
+
+/* only used by isa-vga, pci vga devices use a memory bar */
+#define VBE_DISPI_LFB_PHYSICAL_ADDRESS  0xE0000000
+
+
+/*
+ * qemu extension: mmio bar (region 2)
+ */
+
+#define PCI_VGA_MMIO_SIZE     0x1000
+
+/* vga register region */
+#define PCI_VGA_IOPORT_OFFSET 0x400
+#define PCI_VGA_IOPORT_SIZE   (0x3e0 - 0x3c0)
+
+/* bochs vbe register region */
+#define PCI_VGA_BOCHS_OFFSET  0x500
+#define PCI_VGA_BOCHS_SIZE    (0x0b * 2)
+
+/* qemu extension register region */
+#define PCI_VGA_QEXT_OFFSET   0x600
+#define PCI_VGA_QEXT_SIZE     (2 * 4)
+
+/* qemu extension registers */
+#define PCI_VGA_QEXT_REG_SIZE         (0 * 4)
+#define PCI_VGA_QEXT_REG_BYTEORDER    (1 * 4)
+#define  PCI_VGA_QEXT_LITTLE_ENDIAN   0x1e1e1e1e
+#define  PCI_VGA_QEXT_BIG_ENDIAN      0xbebebebe
+
+#endif /* HW_DISPLAY_BOCHS_VBE_H */