Devtree, Syntax, Options – HP Unified Extensible Firmware Interface User Manual

Page 29: Description, Example

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Table 5 Output details—devices command (continued)

Displays the...

Column

Configuration Protocol support status:

CFG

Y

—Yes

N

—No

Diagnostics Protocol support status:

DIAG

Y

—Yes

N

—No

Number of parent controllers for this device

#P

Number of this type of devices

#D

Number of child controllers produced by this device

#C

Name of the device from the Component Name Protocol

Device Name

devtree

Displays the tree of devices compliant with the UEFI Driver Model.

Syntax

devtree

[-b] [-d] [-lxxx] [devicehandle]

Options

-b

Displays one screen at a time.

-d

Displays the device tree using device paths.

-lxxx

Displays the device tree in a specific language. For a list of possible code
options see the UEFI Specification.

devicehandle

Displays the device tree below a specified handle.

Description

This command prints a tree of devices being managed by drivers that follow the UEFI Driver Model.
By default, the devices are printed in device names that are retrieved from the Component Name
Protocol. If the option –d is specified, the device paths are printed instead.

Example

To display the tree of all devices compliant with the UEFI Driver Model one screen at a time:

Shell> devtree -b
devtree -b fs0:\
Ctrl[04] Fv(770BF9B6-8AFE-4F4C-85E5-893FC3D2606C)
Ctrl[05] Fv(27A72E80-3118-4C0C-8673-AA5B4EFA9613)-directories in the current
Ctrl[06] MemoryMapped(0xB,0xFFD40000,0xFFD6FFFF)
Ctrl[07] Fv(5A515240-D1F1-4C58-9590-27B1F0E86827)
Ctrl[08] Fv(5E2363B4-3E9E-4203-B873-BB40DF46C8E6)
Ctrl[09] Fv(CDBB7B35-6833-4ED6-9AB2-57D2ACDDF6F0)extension '.efi':
Ctrl[5F] PciRoot(0x0).efi
Ctrl[195] PciRoot(0x0)/Pci(0x0,0x0)
Ctrl[196] PciRoot(0x0)/Pci(0x2,0x0)from all files with extension '.inf':
Ctrl[197] PciRoot(0x0)/Pci(0x2,0x0)/Pci(0x0,0x0)
Ctrl[198] PciRoot(0x0)/Pci(0x2,0x1)
Ctrl[199] PciRoot(0x0)/Pci(0x2,0x2)
Ctrl[19A] PciRoot(0x0)/Pci(0x2,0x3)
Ctrl[19B] PciRoot(0x0)/Pci(0x3,0x0)
Ctrl[19C] PciRoot(0x0)/Pci(0x3,0x1)
Ctrl[19D] PciRoot(0x0)/Pci(0x3,0x2)
Ctrl[19E] PciRoot(0x0)/Pci(0x3,0x3)

UEFI Shell commands

29

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