Class: SWD_DEBUG_PORT

Inherits:
Object
  • Object
show all
Defined in:
lib/HardsploitAPI/SWD/HardsploitAPI_SWD_DEBUG.rb

Overview

Hardsploit API - By Opale Security
www.opale-security.com || www.hardsploit.io
License: GNU General Public License v3
License URI: http://www.gnu.org/licenses/gpl.txt

Instance Method Summary collapse

Constructor Details

#initialize(hardAPI) ⇒ SWD_DEBUG_PORT

Returns a new instance of SWD_DEBUG_PORT.



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# File 'lib/HardsploitAPI/SWD/HardsploitAPI_SWD_DEBUG.rb', line 10

def initialize(hardAPI)
	@HardAPI = hardAPI
	@HardAPI.startFPGA
	sleep(0.5)
	@HardAPI.resetSWD
	# read the IDCODE
	# if HardAPI.resetSWD() != 0x1ba01477 then
	#  		raise "warning: unexpected idcode"
	# else
	#  		puts "MCU DETECTED"
	# end
	abort(1,1,1,1,1)
	select(0,0)
	# power shit up
	puts "Power shit up"
	@HardAPI.writeSWD(FALSE, 1, 0x54000000)
	if (status() >> 24) != 0xF4 then
	 		raise "error powering up system"
			exit(0)
	else
		puts "POWERING UP SYTEM OK"
	end
	#get the SELECT register to a known state
	select(0,0)
	@curAP = 0
	@curBank = 0
end

Instance Method Details

#abort(orunerr, wdataerr, stickyerr, stickycmp, dap) ⇒ Object 



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# File 'lib/HardsploitAPI/SWD/HardsploitAPI_SWD_DEBUG.rb', line 46

def abort (orunerr, wdataerr, stickyerr, stickycmp, dap)
		value = 0x00000000
		(orunerr ? value |= 0x10 : value |= 0x00)
		(wdataerr ? value |= 0x08 : value |= 0x00)
		(stickyerr ? value |= 0x04 : value |= 0x00)
		(stickycmp ? value |= 0x02 : value |= 0x00)
		(dap ? value |= 0x01 : value |= 0x00)
		@HardAPI.writeSWD(FALSE, 0, value)
end

#control(trnCount = 0, trnMode = 0, maskLane = 0, orunDetect = 0) ⇒ Object 



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# File 'lib/HardsploitAPI/SWD/HardsploitAPI_SWD_DEBUG.rb', line 61

def control (trnCount = 0, trnMode = 0, maskLane = 0, orunDetect = 0)
		value = 0x54000000
		value = value | ((trnCount & 0xFFF) << 12)
		value = value | ((maskLane & 0x00F) << 8)
		value = value | ((trnMode  & 0x003) << 2)
		(orunDetect ? value |= 0x01 : value |= 0x00)
		@HardAPI.writeSWD(False, 1, value)
end

#getAPI ⇒ Object 



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# File 'lib/HardsploitAPI/SWD/HardsploitAPI_SWD_DEBUG.rb', line 38

def getAPI
	return @HardAPI
end

#idcode ⇒ Object 



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# File 'lib/HardsploitAPI/SWD/HardsploitAPI_SWD_DEBUG.rb', line 42

def idcode
		return @HardAPI.readSWD(FALSE, 0)
end

#readAP(apsel, address) ⇒ Object 



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# File 'lib/HardsploitAPI/SWD/HardsploitAPI_SWD_DEBUG.rb', line 81

def readAP ( apsel, address)
		adrBank = (address >> 4) & 0xF
		adrReg  = (address >> 2) & 0x3
		if apsel != @curAP or adrBank != @curBank then
				select(apsel, adrBank)
				@curAP = apsel
				@curBank = adrBank
		end
		return @HardAPI.readSWD(TRUE, adrReg)
end

#readRB ⇒ Object 



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# File 'lib/HardsploitAPI/SWD/HardsploitAPI_SWD_DEBUG.rb', line 78

def readRB
		return @HardAPI.readSWD(FALSE, 3)
end

#select(apsel, apbank) ⇒ Object 



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# File 'lib/HardsploitAPI/SWD/HardsploitAPI_SWD_DEBUG.rb', line 70

def select (apsel, apbank)
		value = 0x00000000
		value = value | ((apsel  & 0xFF) << 24)
		value = value | ((apbank & 0x0F) <<  4)
		@HardAPI.writeSWD(FALSE, 2, value)
end

#status ⇒ Object 



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# File 'lib/HardsploitAPI/SWD/HardsploitAPI_SWD_DEBUG.rb', line 56

def status
		val= @HardAPI.readSWD(FALSE,1)
		return val
end

#writeAP(apsel, address, data) ⇒ Object 



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# File 'lib/HardsploitAPI/SWD/HardsploitAPI_SWD_DEBUG.rb', line 92

def writeAP (apsel, address, data)
	adrBank = (address >> 4) & 0xF
	adrReg  = (address >> 2) & 0x3
	if apsel != @curAP or adrBank != @curBank then
			select(apsel, adrBank)
			@curAP = apsel
			@curBank = adrBank
	end
@HardAPI.writeSWD(TRUE, adrReg, data)
end