https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
		
			
				
	
	
		
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			2.8 KiB
		
	
	
	
		
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			130 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| ;
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| ; Copyright (c) 2011, Hewlett-Packard Company. All rights reserved.<BR>
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| ; 
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| ; SPDX-License-Identifier: BSD-2-Clause-Patent
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| ; 
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| 
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|   LOCAL &maxmem &systbl &memsize
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|   
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|   &memsize=0x20000000   ; default to 512MB
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|   
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|   gosub FindSystemTable &memsize
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|   ENTRY &systbl
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|   
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|   if &systbl!=0
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|   (
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|     print "found system table at &systbl"
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|     gosub FindDebugInfo &systbl
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|   )
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|   else
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|   (
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|     print "ERROR: system table not found, check memory size"
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|   )
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|   enddo
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| 
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| FindSystemTable:
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|   LOCAL   &TopOfRam &offset
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|   ENTRY   &TopOfRam
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|   
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|   print "FindSystemTable"
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|   print "top of mem is &TopOfRam$"
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|   
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|   &offset=&TopOfRam
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|   
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|   ; align to highest 4MB boundary
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|   &offset=&offset&0xFFC00000
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|   
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|   ; start at top and look on 4MB boundaries for system table ptr structure
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|   while &offset>0
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|   (
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|     ; low signature match
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|     if Data.Long(a:&offset)==0x20494249
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|     (
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|       ; high signature match
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|       if Data.Long(a:&offset+4)==0x54535953
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|       (
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|         ; less than 4GB?
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|         if Data.Long(a:&offset+0x0c)==0
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|         (
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|           ; less than top of ram?
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|           if Data.Long(a:&offset+8)<&TopOfRam
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|           (
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|             return Data.Long(a:&offset+8)
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|           )
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|         )
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|       )
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|     )
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|    
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|     if &offset<0x400000
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|     (
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|       return 0
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|     )
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|     &offset=&offset-0x400000
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|   )
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|   
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|   return 0
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| 
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| 
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| FindDebugInfo:
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|   LOCAL   &SystemTable &CfgTableEntries &ConfigTable &i &offset &dbghdr &dbgentries &dbgptr &dbginfo &loadedimg
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|   ENTRY   &SystemTable
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|   
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|   print "FindDebugInfo"
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|   
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|   &dbgentries=0
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|   &CfgTableEntries=Data.Long(a:&SystemTable+0x40)
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|   &ConfigTable=Data.Long(a:&SystemTable+0x44)
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|   
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|   print "config table is at &ConfigTable (&CfgTableEntries entries)"
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|   
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|   ; now search for debug info entry with guid 49152E77-1ADA-4764-B7A2-7AFEFED95E8B
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|   ;	0x49152E77	0x47641ADA	0xFE7AA2B7	0x8B5ED9FE
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|   &i=0
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|   while &i<&CfgTableEntries
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|   (
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|     &offset=&ConfigTable+(&i*0x14)
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|     if Data.Long(a:&offset)==0x49152E77
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|     (
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|       if Data.Long(a:&offset+4)==0x47641ADA
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|       (
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|         if Data.Long(a:&offset+8)==0xFE7AA2B7
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|         (
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|           if Data.Long(a:&offset+0xc)==0x8B5ED9FE
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|           (
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|             &dbghdr=Data.Long(a:&offset+0x10)
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|             &dbgentries=Data.Long(a:&dbghdr+4)
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|             &dbgptr=Data.Long(a:&dbghdr+8)
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|           )
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|         )
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|       )
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|     )
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|     
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|     &i=&i+1
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|   )
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|   
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|   if &dbgentries==0
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|   (
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|     print "no debug entries found"
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|     return
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|   )
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|   
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|   print "debug table at &dbgptr (&dbgentries entries)"
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|   
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|   symbol.reset
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|   
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|   &i=0
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|   while &i<&dbgentries
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|   (
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|     &dbginfo=Data.Long(a:&dbgptr+(&i*4))
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|     if &dbginfo!=0
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|     (
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|       if Data.Long(a:&dbginfo)==1 ; normal debug info type
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|       (
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|         &loadedimg=Data.Long(a:&dbginfo+4)
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|         do EfiProcessPeImage Data.Long(a:&loadedimg+0x20)
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|       )
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|     )
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|     &i=&i+1
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|   )
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|   return
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