powermac-rom/Linker/LinkPowerROM

Set Streamer " | StreamEdit -d -e '/?Å/ Pr ¶¶¶"1¶¶¶"'"



If {#} ¶< 2
	Echo "USAGE: {0} DEST SRC ... > ShellScript"
	Exit 1
End



Set DestFile "{1}"
Shift



Set TempPrepFile "{TempFolder}PPCROMLinkPrepCmds"
Set TempCmdFile "{TempFolder}PPCROMLinkCmds"
Echo -n "" > "{TempPrepFile}"

Echo -n "PPCLink -xm library -codestart 0 -warn -o " > "{TempCmdFile}"
Quote -n "{DestFile}.x" >> "{TempCmdFile}"


Set OffsetSoFar 0
Set NeedTool 1				# Always extract binary, so always need tool


Loop					# over arguments
	If !{#}
		Break
	End
	
	If "{1}" =~ /[0-9]+/ || "{1}" =~ /0x[0-9a-f]+/
		# Move-to-offset argument (hex or decimal literal)

		If `Evaluate {1} ¶< {OffsetSoFar}`
			Echo "{0} failed: cannot pad to offset {1} because we are already past it!"
			Exit 1
		End

		Set Delta `Evaluate -h {1} - {OffsetSoFar}`
		
		If {Delta}
			Echo -n "Set F ¶"¶{TempFolder¶}Zeros_{Delta}.s¶";¶t"		>> "{TempPrepFile}"
			Echo -n 'If !`Exists "{F}"'									>> "{TempPrepFile}"
			Echo -n "{Streamer}"										>> "{TempPrepFile}"
			Echo -n '`; '												>> "{TempPrepFile}"
			Echo -n "Echo ¶¶tDCB.B {Delta}, 0" '> "{F}"; '				>> "{TempPrepFile}"
			Echo -n 'PPCAsm "{F}"; '									>> "{TempPrepFile}"
			Echo "End"													>> "{TempPrepFile}"

			Echo -n "¶t¶¶¶n¶t" 											>> "{TempCmdFile}"
			Echo -n "¶"¶{TempFolder¶}Zeros_{Delta}.s.o¶"" 				>> "{TempCmdFile}"
			
			Set OffsetSoFar {1}
		End
	Else If "{1}" =~ /([A-Za-z0-9]+)¨1:/
		# Label argument

		Echo -n "Set F ¶"¶{TempFolder¶}{¨1}.s¶";¶t"						>> "{TempPrepFile}"
		Echo -n 'If !`Exists "{F}"'										>> "{TempPrepFile}"
		Echo -n "{Streamer}"											>> "{TempPrepFile}"
		Echo -n '`; '													>> "{TempPrepFile}"
		Echo -n "Echo ¶¶tEXPORT {¨1}¶¶n{¨1}" '> "{F}"; '				>> "{TempPrepFile}"
		Echo -n 'PPCAsm "{F}"; '										>> "{TempPrepFile}"
		Echo "End"														>> "{TempPrepFile}"

		Echo -n "¶t¶¶¶n¶t" 												>> "{TempCmdFile}"
		Echo -n "¶"¶{TempFolder¶}{¨1}.s.o¶"" 							>> "{TempCmdFile}"
	Else
		# Filename argument

		If "{1}" !~ /Å.x/
			Echo -n "Set F "											>> "{TempPrepFile}"
			Quote -n "{1}"												>> "{TempPrepFile}"
			Echo -n "; "												>> "{TempPrepFile}"
			Echo -n 'If !`Exists "{F}.x"'								>> "{TempPrepFile}"
			Echo -n "{Streamer}"										>> "{TempPrepFile}"
			Echo -n '` || `Newer "{F}" "{F}.x"'							>> "{TempPrepFile}"
			Echo -n "{Streamer}"										>> "{TempPrepFile}"
			Echo -n '`; '												>> "{TempPrepFile}"
			Quote -n "{0}.tool"											>> "{TempPrepFile}"
			Echo -n ' tox "{F}" "{F}.x"; '								>> "{TempPrepFile}"
			Echo "End"													>> "{TempPrepFile}"

			Set NeedTool 1
			Set TheXCOFF "{1}.x"
			Set TextLen `Files -x b -n "{1}" | StreamEdit -d -e '/([0-9]+)¨1b°/ Print ¨1'`
		Else
			Set TheXCOFF "{1}"
			Set TextLen `DumpXCOFF -do h "{TheXCOFF}" | StreamEdit -d -e '/s_nameŶ".(Å)¨1¶"/ Set CurSec ¨1' -e '/s_sizeŶ((Å)¨1¶)/ Print CurSec " " ¨1' | StreamEdit -d -e '/text (Å)¨1/ Print ¨1'`
		End
		
		Echo -n "¶t¶¶¶n¶t" 												>> "{TempCmdFile}"
		Quote -n "{TheXCOFF}" 											>> "{TempCmdFile}"

		Set OffsetSoFar `Evaluate {OffsetSoFar} + {TextLen}`
	End
	
	Shift
End

If {NeedTool}
	Echo "# Compile a C program to create/extract basic XCOFFs"
	Echo -n 'If !`Exists '
	Quote -n "{0}.tool"
	Echo -n "{Streamer}"
	Echo '`'

	Echo -n "¶tSC "
	Echo -n '-o "{TempFolder}LinkPowerROM.o" '
	Quote "{0}.c"

	Echo -n "¶tILink -d -t MPST -c 'MPS ' -o "
	Quote -n "{0}.tool"
	Echo ' "{Libraries}Stubs.o" "{CLibraries}StdCLib.o" "{Libraries}MacRuntime.o" "{Libraries}IntEnv.o" "{Libraries}Interface.o" "{TempFolder}LinkPowerROM.o"'

	Echo "End"
	Echo
End

Echo "# Auto-generate some XCOFFs (padding and labels)"
Catenate "{TempPrepFile}"

Echo

Echo "# Link whole-ROM XCOFF"
Catenate "{TempCmdFile}"

Echo
Echo

Echo "# Extract raw ROM binary"
Quote -n "{0}.tool"
Echo -n " fromx "
Quote -n "{DestFile}.x"
Echo -n " "
Quote "{DestFile}"

Echo

Echo "# Checksum the ConfigInfo structure(s)"
Echo -n 'Set CksumOffsets "`DumpXCOFF -do s '
Quote -n "{DestFile}.x"
Echo ' | StreamEdit -d -e "/C_EXTÅAddrÅ(0x[A-Fa-f0-9]+)¨1ÅConfigInfoChecksum/ Print ¨1"`"'

Quote -n "{0}.tool"
Echo -n " cksum "
Quote -n "{DestFile}"
Echo ' {CksumOffsets}'