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60971e63e6
Add the description of CLI commands to the generated index. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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10 KiB
ReStructuredText
223 lines
10 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0+
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.. Copyright 2020, Heinrich Schuchardt <xypron.glpk@gmx.de>
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.. index::
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single: efi (command)
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efi command
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===========
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Synopsis
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--------
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::
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efi mem [all]
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efi tables
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Description
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-----------
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The *efi* command provides information about the EFI environment U-Boot is
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running in, when it is started from EFI.
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When running as an EFI app, this command queries EFI boot services for the
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information. When running as an EFI payload, EFI boot services have been
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stopped, so it uses the information collected by the boot stub before that
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happened.
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efi mem
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~~~~~~~
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This shows the EFI memory map, sorted in order of physical address.
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This is normally a very large table. To help reduce the amount of detritus,
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boot-time memory is normally merged with conventional memory. Use the 'all'
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argument to show everything.
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The fields are as follows:
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#
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Entry number (sequentially from 0)
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Type
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Memory type. EFI has a large number of memory types. The type is shown in
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the format <n>:<name> where in is the format number in hex and <name> is the
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name.
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Physical
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Physical address
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Virtual
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Virtual address
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Size
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Size of memory area in bytes
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Attributes
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Shows a code for memory attributes. The key for this is shown below the
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table.
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efi tables
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~~~~~~~~~~
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This shows a list of the EFI tables provided in the system table. These use
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GUIDs so it is not possible in general to show the name of a table. But some
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effort is made to provide a useful table, where the GUID is known by U-Boot.
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Example
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-------
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::
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=> efi mem
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EFI table at 0, memory map 000000001ad38b60, size 1260, key a79, version 1, descr. size 0x30
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# Type Physical Virtual Size Attributes
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0 7:conv 0000000000 0000000000 00000a0000 f
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<gap> 00000a0000 0000060000
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1 7:conv 0000100000 0000000000 0000700000 f
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2 a:acpi_nvs 0000800000 0000000000 0000008000 f
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3 7:conv 0000808000 0000000000 0000008000 f
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4 a:acpi_nvs 0000810000 0000000000 00000f0000 f
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5 7:conv 0000900000 0000000000 001efef000 f
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6 6:rt_data 001f8ef000 0000000000 0000100000 rf
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7 5:rt_code 001f9ef000 0000000000 0000100000 rf
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8 0:reserved 001faef000 0000000000 0000080000 f
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9 9:acpi_reclaim 001fb6f000 0000000000 0000010000 f
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10 a:acpi_nvs 001fb7f000 0000000000 0000080000 f
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11 7:conv 001fbff000 0000000000 0000359000 f
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12 6:rt_data 001ff58000 0000000000 0000020000 rf
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13 a:acpi_nvs 001ff78000 0000000000 0000088000 f
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<gap> 0020000000 0090000000
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14 0:reserved 00b0000000 0000000000 0010000000 1
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Attributes key:
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f: uncached, write-coalescing, write-through, write-back
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rf: uncached, write-coalescing, write-through, write-back, needs runtime mapping
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1: uncached
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*Some areas are merged (use 'all' to see)
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=> efi mem all
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EFI table at 0, memory map 000000001ad38bb0, size 1260, key a79, version 1, descr. size 0x30
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# Type Physical Virtual Size Attributes
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0 3:bs_code 0000000000 0000000000 0000001000 f
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1 7:conv 0000001000 0000000000 000009f000 f
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<gap> 00000a0000 0000060000
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2 7:conv 0000100000 0000000000 0000700000 f
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3 a:acpi_nvs 0000800000 0000000000 0000008000 f
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4 7:conv 0000808000 0000000000 0000008000 f
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5 a:acpi_nvs 0000810000 0000000000 00000f0000 f
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6 4:bs_data 0000900000 0000000000 0000c00000 f
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7 7:conv 0001500000 0000000000 000aa36000 f
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8 2:loader_data 000bf36000 0000000000 0010000000 f
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9 4:bs_data 001bf36000 0000000000 0000020000 f
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10 7:conv 001bf56000 0000000000 00021e1000 f
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11 1:loader_code 001e137000 0000000000 00000c4000 f
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12 7:conv 001e1fb000 0000000000 000009b000 f
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13 1:loader_code 001e296000 0000000000 00000e2000 f
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14 7:conv 001e378000 0000000000 000005b000 f
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15 4:bs_data 001e3d3000 0000000000 000001e000 f
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16 7:conv 001e3f1000 0000000000 0000016000 f
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17 4:bs_data 001e407000 0000000000 0000016000 f
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18 2:loader_data 001e41d000 0000000000 0000002000 f
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19 4:bs_data 001e41f000 0000000000 0000828000 f
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20 3:bs_code 001ec47000 0000000000 0000045000 f
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21 4:bs_data 001ec8c000 0000000000 0000001000 f
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22 3:bs_code 001ec8d000 0000000000 000000e000 f
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23 4:bs_data 001ec9b000 0000000000 0000001000 f
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24 3:bs_code 001ec9c000 0000000000 000002c000 f
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25 4:bs_data 001ecc8000 0000000000 0000001000 f
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26 3:bs_code 001ecc9000 0000000000 000000c000 f
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27 4:bs_data 001ecd5000 0000000000 0000006000 f
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28 3:bs_code 001ecdb000 0000000000 0000014000 f
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29 4:bs_data 001ecef000 0000000000 0000001000 f
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30 3:bs_code 001ecf0000 0000000000 000005b000 f
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31 4:bs_data 001ed4b000 0000000000 000000b000 f
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32 3:bs_code 001ed56000 0000000000 0000024000 f
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33 4:bs_data 001ed7a000 0000000000 0000006000 f
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34 3:bs_code 001ed80000 0000000000 0000010000 f
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35 4:bs_data 001ed90000 0000000000 0000002000 f
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36 3:bs_code 001ed92000 0000000000 0000025000 f
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37 4:bs_data 001edb7000 0000000000 0000003000 f
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38 3:bs_code 001edba000 0000000000 0000011000 f
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39 4:bs_data 001edcb000 0000000000 0000008000 f
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40 3:bs_code 001edd3000 0000000000 000002d000 f
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41 4:bs_data 001ee00000 0000000000 0000201000 f
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42 3:bs_code 001f001000 0000000000 0000024000 f
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43 4:bs_data 001f025000 0000000000 0000002000 f
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44 3:bs_code 001f027000 0000000000 0000009000 f
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45 4:bs_data 001f030000 0000000000 0000005000 f
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46 3:bs_code 001f035000 0000000000 000002f000 f
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47 4:bs_data 001f064000 0000000000 0000001000 f
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48 3:bs_code 001f065000 0000000000 0000005000 f
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49 4:bs_data 001f06a000 0000000000 0000005000 f
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50 3:bs_code 001f06f000 0000000000 0000007000 f
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51 4:bs_data 001f076000 0000000000 0000007000 f
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52 3:bs_code 001f07d000 0000000000 000000d000 f
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53 4:bs_data 001f08a000 0000000000 0000001000 f
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54 3:bs_code 001f08b000 0000000000 0000006000 f
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55 4:bs_data 001f091000 0000000000 0000004000 f
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56 3:bs_code 001f095000 0000000000 000000d000 f
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57 4:bs_data 001f0a2000 0000000000 0000003000 f
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58 3:bs_code 001f0a5000 0000000000 0000026000 f
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59 4:bs_data 001f0cb000 0000000000 0000005000 f
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60 3:bs_code 001f0d0000 0000000000 0000019000 f
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61 4:bs_data 001f0e9000 0000000000 0000004000 f
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62 3:bs_code 001f0ed000 0000000000 0000024000 f
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63 4:bs_data 001f111000 0000000000 0000008000 f
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64 3:bs_code 001f119000 0000000000 000000b000 f
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65 4:bs_data 001f124000 0000000000 0000001000 f
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66 3:bs_code 001f125000 0000000000 0000002000 f
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67 4:bs_data 001f127000 0000000000 0000002000 f
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68 3:bs_code 001f129000 0000000000 0000009000 f
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69 4:bs_data 001f132000 0000000000 0000003000 f
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70 3:bs_code 001f135000 0000000000 0000005000 f
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71 4:bs_data 001f13a000 0000000000 0000003000 f
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72 3:bs_code 001f13d000 0000000000 0000005000 f
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73 4:bs_data 001f142000 0000000000 0000003000 f
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74 3:bs_code 001f145000 0000000000 0000011000 f
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75 4:bs_data 001f156000 0000000000 000000b000 f
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76 3:bs_code 001f161000 0000000000 0000009000 f
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77 4:bs_data 001f16a000 0000000000 0000400000 f
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78 3:bs_code 001f56a000 0000000000 0000006000 f
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79 4:bs_data 001f570000 0000000000 0000001000 f
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80 3:bs_code 001f571000 0000000000 0000001000 f
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81 4:bs_data 001f572000 0000000000 0000002000 f
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82 3:bs_code 001f574000 0000000000 0000017000 f
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83 4:bs_data 001f58b000 0000000000 0000364000 f
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84 6:rt_data 001f8ef000 0000000000 0000100000 rf
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85 5:rt_code 001f9ef000 0000000000 0000100000 rf
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86 0:reserved 001faef000 0000000000 0000080000 f
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87 9:acpi_reclaim 001fb6f000 0000000000 0000010000 f
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88 a:acpi_nvs 001fb7f000 0000000000 0000080000 f
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89 4:bs_data 001fbff000 0000000000 0000201000 f
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90 7:conv 001fe00000 0000000000 00000e8000 f
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91 4:bs_data 001fee8000 0000000000 0000020000 f
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92 3:bs_code 001ff08000 0000000000 0000026000 f
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93 4:bs_data 001ff2e000 0000000000 0000009000 f
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94 3:bs_code 001ff37000 0000000000 0000021000 f
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95 6:rt_data 001ff58000 0000000000 0000020000 rf
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96 a:acpi_nvs 001ff78000 0000000000 0000088000 f
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<gap> 0020000000 0090000000
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97 0:reserved 00b0000000 0000000000 0010000000 1
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Attributes key:
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f: uncached, write-coalescing, write-through, write-back
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rf: uncached, write-coalescing, write-through, write-back, needs runtime mapping
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1: uncached
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=> efi tables
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000000001f8edf98 ee4e5898-3914-4259-9d6e-dc7bd79403cf EFI_LZMA_COMPRESSED
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000000001ff2ace0 05ad34ba-6f02-4214-952e-4da0398e2bb9 EFI_DXE_SERVICES
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000000001f8ea018 7739f24c-93d7-11d4-9a3a-0090273fc14d EFI_HOB_LIST
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000000001ff2bac0 4c19049f-4137-4dd3-9c10-8b97a83ffdfa EFI_MEMORY_TYPE
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000000001ff2cb10 49152e77-1ada-4764-b7a2-7afefed95e8b (unknown)
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000000001f9ac018 060cc026-4c0d-4dda-8f41-595fef00a502 EFI_MEM_STATUS_CODE_REC
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000000001f9ab000 eb9d2d31-2d88-11d3-9a16-0090273fc14d SMBIOS table
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000000001fb7e000 eb9d2d30-2d88-11d3-9a16-0090273fc14d EFI_GUID_EFI_ACPI1
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000000001fb7e014 8868e871-e4f1-11d3-bc22-0080c73c8881 ACPI table
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000000001e654018 dcfa911d-26eb-469f-a220-38b7dc461220 (unknown)
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