1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
62 lines
2.2 KiB
Plaintext
62 lines
2.2 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see Documentation/kbuild/kconfig-language.txt.
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#
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menu "Firmware Drivers"
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config EDD
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tristate "BIOS Enhanced Disk Drive calls determine boot disk (EXPERIMENTAL)"
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depends on EXPERIMENTAL
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depends on !IA64
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help
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Say Y or M here if you want to enable BIOS Enhanced Disk Drive
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Services real mode BIOS calls to determine which disk
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BIOS tries boot from. This information is then exported via sysfs.
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This option is experimental and is known to fail to boot on some
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obscure configurations. Most disk controller BIOS vendors do
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not yet implement this feature.
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config EFI_VARS
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tristate "EFI Variable Support via sysfs"
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depends on EFI
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default n
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help
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If you say Y here, you are able to get EFI (Extensible Firmware
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Interface) variable information via sysfs. You may read,
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write, create, and destroy EFI variables through this interface.
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Note that using this driver in concert with efibootmgr requires
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at least test release version 0.5.0-test3 or later, which is
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available from Matt Domsch's website located at:
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<http://linux.dell.com/efibootmgr/testing/efibootmgr-0.5.0-test3.tar.gz>
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Subsequent efibootmgr releases may be found at:
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<http://linux.dell.com/efibootmgr>
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config EFI_PCDP
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bool "Console device selection via EFI PCDP or HCDP table"
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depends on ACPI && EFI && IA64
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default y if IA64
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help
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If your firmware supplies the PCDP table, and you want to
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automatically use the primary console device it describes
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as the Linux console, say Y here.
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If your firmware supplies the HCDP table, and you want to
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use the first serial port it describes as the Linux console,
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say Y here. If your EFI ConOut path contains only a UART
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device, it will become the console automatically. Otherwise,
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you must specify the "console=hcdp" kernel boot argument.
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Neither the PCDP nor the HCDP affects naming of serial devices,
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so a serial console may be /dev/ttyS0, /dev/ttyS1, etc, depending
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on how the driver discovers devices.
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You must also enable the appropriate drivers (serial, VGA, etc.)
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See <http://www.dig64.org/specifications/DIG64_HCDPv20_042804.pdf>
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endmenu
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