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# Kconfig SeaBIOS VGA BIOS configuration
menu "VGA ROM"
choice
prompt "VGA Hardware Type"
default NO_VGABIOS
config NO_VGABIOS
bool "None"
help
Do not build a VGA BIOS.
config VGA_STANDARD_VGA
depends on QEMU
bool "QEMU/Bochs Original IBM 256K VGA"
select VGA_STDVGA_PORTS
help
Build basic VGA BIOS support (pre Super-VGA) for use
on emulators.
config VGA_CIRRUS
depends on QEMU
bool "QEMU/Bochs Cirrus SVGA"
select VGA_STDVGA_PORTS
help
Build support for Cirrus VGA emulation found on QEMU
and Bochs emulators. This is for emulators; it is not
intended for use on real Cirrus hardware.
config VGA_BOCHS
depends on QEMU
bool "QEMU/Bochs VBE SVGA"
select VGA_STDVGA_PORTS
help
Build support for Bochs DISPI interface (a custom VBE
protocol) found on QEMU and Bochs emulators.
config VGA_GEODEGX2
bool "GeodeGX2"
select VGA_STDVGA_PORTS
help
Build support for Geode GX2 vga.
config VGA_GEODELX
bool "GeodeLX"
select VGA_STDVGA_PORTS
help
Build support for Geode LX vga.
config VGA_COREBOOT
depends on COREBOOT
bool "coreboot linear framebuffer"
select VGA_EMULATE_TEXT
help
Build support for a vgabios wrapper around video
devices initialized using coreboot native vga init.
endchoice
choice
depends on VGA_BOCHS
prompt "bochs vga variant"
default VGA_BOCHS_STDVGA
config VGA_BOCHS_STDVGA
bool "qemu stdvga / bochs svga"
config VGA_BOCHS_VMWARE
bool "qemu vmware svga"
config VGA_BOCHS_QXL
bool "qemu qxl vga"
config VGA_BOCHS_VIRTIO
bool "qemu virtio vga"
endchoice
choice
depends on VGA_GEODEGX2 || VGA_GEODELX
prompt "Output Mode"
default VGA_OUTPUT_CRT
config VGA_OUTPUT_CRT
bool "CRT"
help
Use CRT for output.
config VGA_OUTPUT_PANEL
bool "Flat Panel"
help
Use flat panel for output.
config VGA_OUTPUT_CRT_PANEL
bool "CRT and Flat Panel"
help
Use CRT and flat panel for output.
endchoice
config BUILD_VGABIOS
bool
default !NO_VGABIOS
config VGA_STDVGA_PORTS
bool
config VGA_EMULATE_TEXT
bool
help
Support emulating text mode features when only a
framebuffer is available.
config VGA_FIXUP_ASM
depends on BUILD_VGABIOS
bool "Fixup assembler to work with broken emulators"
default y
help
This option will cause the build to attempt to avoid
certain x86 machine instructions that are known to confuse
some emulators. In particular, it works around
deficiencies in the Windows vgabios emulator and the
x86emu vgabios emulator (frequently used in Xorg).
config VGA_ALLOCATE_EXTRA_STACK
depends on BUILD_VGABIOS
bool "Allocate an internal stack for 16bit interrupt entry point"
default y
help
Attempt to allocate (via BIOS PMM call) an internal stack
for the legacy 16bit 0x10 interrupt entry point. This
reduces the amount of space on the caller's stack that
SeaVGABIOS uses.
config VGA_EXTRA_STACK_SIZE
int
default 512
config VGA_VBE
depends on BUILD_VGABIOS
bool "Video BIOS Extensions (VBE)"
default y
help
Support VBE.
config VGA_PCI
depends on BUILD_VGABIOS && !VGA_COREBOOT
bool "PCI ROM Headers"
default y
help
Build PCI ROM headers so the vga rom can be extracted from
a PCI device.
config OVERRIDE_PCI_ID
depends on VGA_PCI
bool "Override PCI Vendor and Device IDs"
help
Specify specific values for the PCI Vendor and Device IDs.
config VGA_VID
depends on VGA_PCI
hex
prompt "PCI Vendor ID" if OVERRIDE_PCI_ID
default 0x1013 if VGA_CIRRUS
default 0x1234 if VGA_BOCHS_STDVGA
default 0x15ad if VGA_BOCHS_VMWARE
default 0x1b36 if VGA_BOCHS_QXL
default 0x1af4 if VGA_BOCHS_VIRTIO
default 0x100b if VGA_GEODEGX2
default 0x1022 if VGA_GEODELX
default 0x0000
help
Vendor ID for the PCI ROM
config VGA_DID
depends on VGA_PCI
hex
prompt "PCI Vendor ID" if OVERRIDE_PCI_ID
default 0x00b8 if VGA_CIRRUS
default 0x1111 if VGA_BOCHS_STDVGA
default 0x0405 if VGA_BOCHS_VMWARE
default 0x0100 if VGA_BOCHS_QXL
default 0x1050 if VGA_BOCHS_VIRTIO
default 0x0030 if VGA_GEODEGX2
default 0x2081 if VGA_GEODELX
default 0x0000
help
Device ID for the PCI ROM
endmenu
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