change checkpoint generation to integrate GDB scripting more cleanly and save UART and PLIC state

linux/testvector-generation/parseUartState.py

@@ -0,0 +1,53 @@
+#! /usr/bin/python3
+import sys, os
+
+################
+# Helper Funcs #
+################
+
+def tokenize(string):
+    tokens = []
+    token = ''
+    whitespace = 0
+    prevWhitespace = 0
+    for char in string:
+        prevWhitespace = whitespace
+        whitespace = char in ' \t\n'
+        if (whitespace):
+            if ((not prevWhitespace) and (token != '')): 
+                tokens.append(token)
+            token = ''
+        else:
+            token = token + char
+    return tokens
+
+#############
+# Main Code #
+#############
+print("Begin parsing UART state.")
+
+# Parse Args
+if len(sys.argv) != 3:
+    sys.exit('Error parseUartState.py expects 2 args: <raw GDB state dump> <output state file>')
+rawUartStateFile=sys.argv[1]
+outUartStateFile=sys.argv[2]
+if not os.path.exists(rawUartStateFile):
+    sys.exit('Error input file '+rawUartStateFile+'not found')
+
+# Main Loop
+with open(rawUartStateFile, 'r') as rawUartStateFile:
+    with open(outUartStateFile, 'w') as outUartStateFile:
+        uartBytes = tokenize(rawUartStateFile.readline())[1:]
+        # Stores
+        # 0: RBR / Divisor Latch Low
+        # 1: IER / Divisor Latch High
+        # 2: IIR
+        # 3: LCR
+        # 4: MCR
+        # 5: LSR
+        # 6: MSR
+        # 7: SCR
+        for uartByte in uartBytes:
+            outUartStateFile.write(uartByte[2:]+'\n')
+
+print("Finished parsing UART state!")