UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / EmbeddedPkg / Scripts / LauterbachT32 / EfiLoadFv.cmm

;\r
; Copyright (c) 2011, Hewlett-Packard Company. All rights reserved.<BR>\r
; \r
; SPDX-License-Identifier: BSD-2-Clause-Patent\r
; \r
\r
  LOCAL &fvbase &fvsig &fvsig &ffsoffset &ffsfilesize &ffsfileaddr\r
  ENTRY &fvbase\r
\r
  &fvsig=Data.Long(a:&fvbase+0x28)\r
  if &fvsig!=0x4856465F\r
  (\r
	  print "FV does not have proper signature, exiting"\r
	  return\r
  )\r
  \r
  print "FV signature found"\r
  \r
  &fvlen=Data.Long(a:&fvbase+0x20)\r
  \r
  ; first ffs file is after fv header, use headerlength field\r
  &ffsoffset=(Data.Long(a:&fvbase+0x30)&0xffff)\r
  \r
  ; loop through ffs files\r
  &ffsfilesize=1\r
  while (&ffsfilesize!=0)&&(&ffsoffset<(&fvlen))\r
	(\r
	  &ffsfileaddr=&fvbase+&ffsoffset\r
	  ;print "found ffs file at &ffsfileaddr"\r
	  \r
		; process ffs file and increment by ffs file size field\r
 		gosub ProcessFfsFile &ffsfileaddr\r
 		\r
 		&ffsfilesize=(Data.Long(a:&ffsfileaddr+0x14)&0x00ffffff)\r
 		;print "ffsfilesize is &ffsfilesize"\r
 		\r
	  &ffsoffset=&ffsoffset+&ffsfilesize\r
\r
    &ffsfilesize=(Data.Long(a:&fvbase+&ffsoffset+0x14)&0x00ffffff)\r
    ;print "ffsfilesize now is &ffsfilesize"\r
    if &ffsfilesize==0xffffff\r
 		(\r
 		  enddo\r
 		)\r
 		\r
	  ; align to next 8 byte boundary\r
    if (&ffsoffset&0x7)!=0\r
	  (\r
		  &ffsoffset=&ffsoffset+(0x8-(&ffsoffset&0x7))\r
	  )\r
	  \r
  ) ; end fv ffs loop\r
\r
enddo\r
\r
ProcessFfsFile:\r
  LOCAL &ffsfilestart &ffsfilesize &ffsfiletype &secoffset &secsize\r
  ENTRY &ffsfilestart\r
\r
  ;print "processing ffs file at &ffsfilestart"\r
  &ffsfilesize=Data.Long(a:&ffsfilestart+0x14)\r
  &ffsfiletype=(&ffsfilesize&0xff000000)>>24.\r
  &ffsfilesize=&ffsfilesize&0x00ffffff\r
\r
  if &ffsfiletype==0\r
  (\r
    return\r
  )\r
\r
	print "ffs file at &ffsfilestart size &ffsfilesize type &ffsfiletype"\r
\r
  &secoffset=&ffsfilestart+0x18\r
  \r
  ; loop through sections in file\r
  while &secoffset<(&ffsfilestart+&ffsfilesize)\r
	(\r
	  print "secoffset at &secoffset"\r
	  \r
		; process fv section and increment section offset by size\r
    &secsize=(Data.Long(a:&secoffset)&0x00ffffff)\r
    \r
    gosub ProcessFvSection &secoffset\r
    \r
    \r
		&secoffset=(&secoffset+&secsize)\r
\r
    ;print "secsize is &secsize"\r
    ;print "secoffset at &secoffset"\r
    \r
	  ; align to next 4 byte boundary\r
    if (&secoffset&0x3)!=0\r
		(\r
			&secoffset=&secoffset+(0x4-(&secoffset&0x3))\r
		)\r
	) ; end section loop\r
  return\r
  \r
  \r
ProcessFvSection:\r
  LOCAL &secstart &sectionsize &sectiontype &secoffset &secsize\r
  ENTRY &secstart\r
\r
	&sectionsize=Data.Long(a:&secstart)\r
  &sectiontype=((&sectionsize&0xff000000)>>24.)\r
  &sectionsize=&sectionsize&0x00ffffff;\r
\r
	print "fv section at &secstart size &sectionsize type &sectiontype"\r
\r
	if &sectiontype==0x10 ; PE32\r
  (\r
    do EfiProcessPeImage (&secstart+0x4)\r
	)\r
	else\r
	(\r
	  if &sectiontype==0x12 ; TE\r
	  (\r
		  do EfiProcessTeImage (&secstart+0x4)\r
 	  )\r
 	  else\r
    (\r
      print "unknown section type"\r
    )\r
 	)\r
  \r
  return\r