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Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Scripts/LauterbachT32/EfiLoadFv.cmm')
-rw-r--r--src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Scripts/LauterbachT32/EfiLoadFv.cmm125
1 files changed, 125 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Scripts/LauterbachT32/EfiLoadFv.cmm b/src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Scripts/LauterbachT32/EfiLoadFv.cmm
new file mode 100644
index 00000000..efb59f78
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/EmbeddedPkg/Scripts/LauterbachT32/EfiLoadFv.cmm
@@ -0,0 +1,125 @@
+;
+; Copyright (c) 2011, Hewlett-Packard Company. All rights reserved.<BR>
+;
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;
+
+ LOCAL &fvbase &fvsig &fvsig &ffsoffset &ffsfilesize &ffsfileaddr
+ ENTRY &fvbase
+
+ &fvsig=Data.Long(a:&fvbase+0x28)
+ if &fvsig!=0x4856465F
+ (
+ print "FV does not have proper signature, exiting"
+ return
+ )
+
+ print "FV signature found"
+
+ &fvlen=Data.Long(a:&fvbase+0x20)
+
+ ; first ffs file is after fv header, use headerlength field
+ &ffsoffset=(Data.Long(a:&fvbase+0x30)&0xffff)
+
+ ; loop through ffs files
+ &ffsfilesize=1
+ while (&ffsfilesize!=0)&&(&ffsoffset<(&fvlen))
+ (
+ &ffsfileaddr=&fvbase+&ffsoffset
+ ;print "found ffs file at &ffsfileaddr"
+
+ ; process ffs file and increment by ffs file size field
+ gosub ProcessFfsFile &ffsfileaddr
+
+ &ffsfilesize=(Data.Long(a:&ffsfileaddr+0x14)&0x00ffffff)
+ ;print "ffsfilesize is &ffsfilesize"
+
+ &ffsoffset=&ffsoffset+&ffsfilesize
+
+ &ffsfilesize=(Data.Long(a:&fvbase+&ffsoffset+0x14)&0x00ffffff)
+ ;print "ffsfilesize now is &ffsfilesize"
+ if &ffsfilesize==0xffffff
+ (
+ enddo
+ )
+
+ ; align to next 8 byte boundary
+ if (&ffsoffset&0x7)!=0
+ (
+ &ffsoffset=&ffsoffset+(0x8-(&ffsoffset&0x7))
+ )
+
+ ) ; end fv ffs loop
+
+enddo
+
+ProcessFfsFile:
+ LOCAL &ffsfilestart &ffsfilesize &ffsfiletype &secoffset &secsize
+ ENTRY &ffsfilestart
+
+ ;print "processing ffs file at &ffsfilestart"
+ &ffsfilesize=Data.Long(a:&ffsfilestart+0x14)
+ &ffsfiletype=(&ffsfilesize&0xff000000)>>24.
+ &ffsfilesize=&ffsfilesize&0x00ffffff
+
+ if &ffsfiletype==0
+ (
+ return
+ )
+
+ print "ffs file at &ffsfilestart size &ffsfilesize type &ffsfiletype"
+
+ &secoffset=&ffsfilestart+0x18
+
+ ; loop through sections in file
+ while &secoffset<(&ffsfilestart+&ffsfilesize)
+ (
+ print "secoffset at &secoffset"
+
+ ; process fv section and increment section offset by size
+ &secsize=(Data.Long(a:&secoffset)&0x00ffffff)
+
+ gosub ProcessFvSection &secoffset
+
+
+ &secoffset=(&secoffset+&secsize)
+
+ ;print "secsize is &secsize"
+ ;print "secoffset at &secoffset"
+
+ ; align to next 4 byte boundary
+ if (&secoffset&0x3)!=0
+ (
+ &secoffset=&secoffset+(0x4-(&secoffset&0x3))
+ )
+ ) ; end section loop
+ return
+
+
+ProcessFvSection:
+ LOCAL &secstart &sectionsize &sectiontype &secoffset &secsize
+ ENTRY &secstart
+
+ &sectionsize=Data.Long(a:&secstart)
+ &sectiontype=((&sectionsize&0xff000000)>>24.)
+ &sectionsize=&sectionsize&0x00ffffff;
+
+ print "fv section at &secstart size &sectionsize type &sectiontype"
+
+ if &sectiontype==0x10 ; PE32
+ (
+ do EfiProcessPeImage (&secstart+0x4)
+ )
+ else
+ (
+ if &sectiontype==0x12 ; TE
+ (
+ do EfiProcessTeImage (&secstart+0x4)
+ )
+ else
+ (
+ print "unknown section type"
+ )
+ )
+
+ return