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It's not clear right now that the order in which entries are displayed in /sys/firmware/efi/systab actually forms an ABI that userspace tools rely upon. Document the ABI along with the userspace tool that cares. Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Jean Delvare <jdelvare@suse.de> Cc: Leif Lindholm <leif.lindholm@linaro.org> Cc: Ivan Khoronzhuk <ivan.khoronzhuk@globallogic.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
30 lines
973 B
Text
30 lines
973 B
Text
What: /sys/firmware/efi/fw_vendor
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Date: December 2013
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Contact: Dave Young <dyoung@redhat.com>
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Description: It shows the physical address of firmware vendor field in the
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EFI system table.
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Users: Kexec
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What: /sys/firmware/efi/runtime
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Date: December 2013
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Contact: Dave Young <dyoung@redhat.com>
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Description: It shows the physical address of runtime service table entry in
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the EFI system table.
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Users: Kexec
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What: /sys/firmware/efi/config_table
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Date: December 2013
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Contact: Dave Young <dyoung@redhat.com>
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Description: It shows the physical address of config table entry in the EFI
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system table.
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Users: Kexec
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What: /sys/firmware/efi/systab
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Date: April 2005
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Contact: linux-efi@vger.kernel.org
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Description: Displays the physical addresses of all EFI Configuration
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Tables found via the EFI System Table. The order in
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which the tables are printed forms an ABI and newer
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versions are always printed first, i.e. ACPI20 comes
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before ACPI.
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Users: dmidecode
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