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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 ProtocolDevice 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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