diff options
Diffstat (limited to 'PrmPkg/Readme.md')
| -rw-r--r-- | PrmPkg/Readme.md | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/PrmPkg/Readme.md b/PrmPkg/Readme.md index 00ef41bc5f..f430006905 100644 --- a/PrmPkg/Readme.md +++ b/PrmPkg/Readme.md @@ -153,34 +153,33 @@ motivation behind using PE/COFF export tables to expose PRM module information a definition consistent between firmware and OS load.
### PRM Module Exports
-A PRM module must contain at least three exports: A PRM Module Export Descriptor, a PRM Module Update Lock Descriptor,
-and at least one PRM handler. Here's an example of an export table from a PRM module that has a single PRM handler:
+A PRM module must contain at least two exports: A PRM Module Export Descriptor and at least one PRM handler. Here's
+an example of an export table from a PRM module that has a single PRM handler:
```
- 0000000000005000: 00 00 00 00 FF FF FF FF 00 00 00 00 46 50 00 00 ....ÿÿÿÿ....FP..
- 0000000000005010: 01 00 00 00 03 00 00 00 03 00 00 00 28 50 00 00 ............(P..
- 0000000000005020: 34 50 00 00 40 50 00 00 78 13 00 00 30 40 00 00 4P..@P..x...0@..
- 0000000000005030: 20 40 00 00 67 50 00 00 86 50 00 00 A0 50 00 00 @..gP...P...P..
- 0000000000005040: 00 00 01 00 02 00 50 72 6D 53 61 6D 70 6C 65 43 ......PrmSampleC
- 0000000000005050: 6F 6E 74 65 78 74 42 75 66 66 65 72 4D 6F 64 75 ontextBufferModu
- 0000000000005060: 6C 65 2E 64 6C 6C 00 44 75 6D 70 53 74 61 74 69 le.dll.DumpStati
- 0000000000005070: 63 44 61 74 61 42 75 66 66 65 72 50 72 6D 48 61 cDataBufferPrmHa
- 0000000000005080: 6E 64 6C 65 72 00 50 72 6D 4D 6F 64 75 6C 65 45 ndler.PrmModuleE
- 0000000000005090: 78 70 6F 72 74 44 65 73 63 72 69 70 74 6F 72 00 xportDescriptor.
- 00000000000050A0: 50 72 6D 4D 6F 64 75 6C 65 55 70 64 61 74 65 4C PrmModuleUpdateL
- 00000000000050B0: 6F 63 6B 00 ock.
+ 0000000000005000: 00 00 00 00 FF FF FF FF 00 00 00 00 3C 50 00 00 ............<P..
+ 0000000000005010: 01 00 00 00 02 00 00 00 02 00 00 00 28 50 00 00 ............(P..
+ 0000000000005020: 30 50 00 00 38 50 00 00 78 13 00 00 20 40 00 00 0P..8P..x... @..
+ 0000000000005030: 5D 50 00 00 7C 50 00 00 00 00 01 00 50 72 6D 53 ]P..|P......PrmS
+ 0000000000005040: 61 6D 70 6C 65 43 6F 6E 74 65 78 74 42 75 66 66 ampleContextBuff
+ 0000000000005050: 65 72 4D 6F 64 75 6C 65 2E 64 6C 6C 00 44 75 6D erModule.dll.Dum
+ 0000000000005060: 70 53 74 61 74 69 63 44 61 74 61 42 75 66 66 65 pStaticDataBuffe
+ 0000000000005070: 72 50 72 6D 48 61 6E 64 6C 65 72 00 50 72 6D 4D rPrmHandler.PrmM
+ 0000000000005080: 6F 64 75 6C 65 45 78 70 6F 72 74 44 65 73 63 72 oduleExportDescr
+ 0000000000005090: 69 70 74 6F 72 00 iptor.
00000000 characteristics
FFFFFFFF time date stamp
- 0.10 version
+ 0.00 version
1 ordinal base
- 3 number of functions
- 3 number of names
+ 2 number of functions
+ 2 number of names
ordinal hint RVA name
+
1 0 00001378 DumpStaticDataBufferPrmHandler
- 2 1 00004030 PrmModuleExportDescriptor
- 3 2 00004020 PrmModuleUpdateLock
+ 2 1 00004020 PrmModuleExportDescriptor
+
```
### PRM Image Format
PRM modules are ultimately PE/COFF images. However, when packaged in firmware the PE/COFF image is placed into a
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