Mirroring from commit 106549a4362f6b499da522f8f8f5ed9f98388f87 from Coreboot upstream
This commit is contained in:
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# Kconfig SeaBIOS VGA BIOS configuration
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menu "VGA ROM"
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choice
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prompt "VGA Hardware Type"
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default NO_VGABIOS
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config NO_VGABIOS
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bool "None"
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help
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Do not build a VGA BIOS.
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config VGA_STANDARD_VGA
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depends on QEMU
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bool "QEMU/Bochs Original IBM 256K VGA"
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select VGA_STDVGA_PORTS
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help
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Build basic VGA BIOS support (pre Super-VGA) for use
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on emulators.
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config VGA_CIRRUS
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depends on QEMU
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bool "QEMU/Bochs Cirrus SVGA"
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select VGA_STDVGA_PORTS
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help
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Build support for Cirrus VGA emulation found on QEMU
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and Bochs emulators. This is for emulators; it is not
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intended for use on real Cirrus hardware.
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config VGA_ATI
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depends on QEMU
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bool "QEMU ATI SVGA"
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select VGA_STDVGA_PORTS
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help
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Build support for ATI VGA emulation found on QEMU
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and emulators. This is for emulators; it is not
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intended for use on real ATI hardware.
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config VGA_BOCHS
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depends on QEMU
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bool "QEMU/Bochs VBE SVGA"
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select VGA_STDVGA_PORTS
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help
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Build support for Bochs DISPI interface (a custom VBE
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protocol) found on QEMU and Bochs emulators.
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config VGA_GEODEGX2
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bool "GeodeGX2"
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select VGA_STDVGA_PORTS
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help
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Build support for Geode GX2 vga.
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config VGA_GEODELX
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bool "GeodeLX"
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select VGA_STDVGA_PORTS
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help
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Build support for Geode LX vga.
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config VGA_COREBOOT
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depends on COREBOOT
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bool "coreboot linear framebuffer"
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select VGA_EMULATE_TEXT
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help
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Build support for a vgabios wrapper around video
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devices initialized using coreboot native vga init.
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config DISPLAY_BOCHS
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depends on QEMU
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bool "qemu bochs-display support"
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select VGA_EMULATE_TEXT
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help
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Build support for the qemu bochs-display device, which
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is basically qemu stdvga without the legacy vga
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emulation, supporting only 16+32 bpp VESA video modes
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in a linear framebuffer. So this uses cbvga text mode
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emulation.
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The bochs-display device is available in qemu
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v3.0+. The vgabios works with the qemu stdvga too (use
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"qemu -device VGA,romfile=/path/to/vgabios.bin")".
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config VGA_RAMFB
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depends on QEMU
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bool "qemu ramfb"
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select VGA_EMULATE_TEXT
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help
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qemu ram framebuffer support (-device ramfb).
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endchoice
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choice
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depends on VGA_BOCHS
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prompt "bochs vga variant"
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default VGA_BOCHS_STDVGA
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config VGA_BOCHS_STDVGA
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bool "qemu stdvga / bochs svga"
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config VGA_BOCHS_VMWARE
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bool "qemu vmware svga"
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config VGA_BOCHS_QXL
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bool "qemu qxl vga"
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config VGA_BOCHS_VIRTIO
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bool "qemu virtio vga"
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endchoice
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choice
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depends on VGA_GEODEGX2 || VGA_GEODELX
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prompt "Output Mode"
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default VGA_OUTPUT_CRT
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config VGA_OUTPUT_CRT
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bool "CRT"
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help
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Use CRT for output.
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config VGA_OUTPUT_PANEL
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bool "Flat Panel"
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help
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Use flat panel for output.
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config VGA_OUTPUT_CRT_PANEL
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bool "CRT and Flat Panel"
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help
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Use CRT and flat panel for output.
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endchoice
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config BUILD_VGABIOS
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bool
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default !NO_VGABIOS
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config VGA_STDVGA_PORTS
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bool
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config VGA_EMULATE_TEXT
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bool
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help
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Support emulating text mode features when only a
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framebuffer is available.
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config VGA_FIXUP_ASM
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depends on BUILD_VGABIOS
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bool "Fixup assembler to work with broken emulators"
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default y
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help
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This option will cause the build to attempt to avoid
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certain x86 machine instructions that are known to confuse
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some emulators. In particular, it works around
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deficiencies in the Windows vgabios emulator and the
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x86emu vgabios emulator (frequently used in Xorg).
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config VGA_ALLOCATE_EXTRA_STACK
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depends on BUILD_VGABIOS
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bool "Allocate an internal stack for 16bit interrupt entry point"
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default y
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help
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Attempt to allocate (via BIOS PMM call) an internal stack
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for the legacy 16bit 0x10 interrupt entry point. This
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reduces the amount of space on the caller's stack that
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SeaVGABIOS uses.
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config VGA_EXTRA_STACK_SIZE
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int
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default 512
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config VGA_VBE
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depends on BUILD_VGABIOS
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bool "Video BIOS Extensions (VBE)"
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default y
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help
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Support VBE.
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config VGA_PCI
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depends on BUILD_VGABIOS && !VGA_COREBOOT
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bool "PCI ROM Headers"
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default y
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help
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Build PCI ROM headers so the vga rom can be extracted from
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a PCI device.
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config OVERRIDE_PCI_ID
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depends on VGA_PCI
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bool "Override PCI Vendor and Device IDs"
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help
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Specify specific values for the PCI Vendor and Device IDs.
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config VGA_VID
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depends on VGA_PCI
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hex
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prompt "PCI Vendor ID" if OVERRIDE_PCI_ID
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default 0x1013 if VGA_CIRRUS
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default 0x1002 if VGA_ATI
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default 0x1234 if VGA_BOCHS_STDVGA
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default 0x15ad if VGA_BOCHS_VMWARE
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default 0x1b36 if VGA_BOCHS_QXL
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default 0x1af4 if VGA_BOCHS_VIRTIO
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default 0x100b if VGA_GEODEGX2
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default 0x1022 if VGA_GEODELX
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default 0x1234 if DISPLAY_BOCHS
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default 0x0000
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help
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Vendor ID for the PCI ROM
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config VGA_DID
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depends on VGA_PCI
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hex
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prompt "PCI Vendor ID" if OVERRIDE_PCI_ID
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default 0x00b8 if VGA_CIRRUS
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default 0x5159 if VGA_ATI
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default 0x1111 if VGA_BOCHS_STDVGA
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default 0x0405 if VGA_BOCHS_VMWARE
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default 0x0100 if VGA_BOCHS_QXL
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default 0x1050 if VGA_BOCHS_VIRTIO
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default 0x0030 if VGA_GEODEGX2
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default 0x2081 if VGA_GEODELX
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default 0x1111 if DISPLAY_BOCHS
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default 0x0000
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help
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Device ID for the PCI ROM
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endmenu
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