torture test for verifiedreadmem/verifiedwritemem

memcopy_test.py

#!/usr/bin/env python3
import serial
import time
import random
import struct
from Crc import Crc
from RomWack import RomWack
from SAD import SAD
from ExecLibrary import ExecLibrary
from AmigaSnippets import AmigaSnippets
def transfertest(snip, addr, size):
    count = 0
    while True:
        data = random.randbytes(size)
        start = time.monotonic()
        snip.verifiedwritemem(addr, data)
        end = time.monotonic()
        print(f'->A count: {count} diff: {end-start}s')
        start = time.monotonic()
        rdata = snip.verifiedreadmem(addr, size)
        end = time.monotonic()
        print(f'<-A count: {count} diff: {end-start}s')
        if data != rdata:
            print("Data mismatch (?!)")
            exit(1)
        count += 1
def main():
    serialdev = "/dev/ttyUSB0"
    scratchsize = 0x10000
    ser = serial.Serial(serialdev, 9600, timeout=None)
    print("Serial device opened.")
    amiga = RomWack(serial=ser, Debug=False)
    #amiga = SAD(serial=ser, Debug=False)
    if amiga.debugger == "SAD":
        print(f'In SAD debugger. Bugged: {amiga.sadbug}. Entry: {amiga.entry}.')
    else:
        print("In debugger.")
    execlib = ExecLibrary(amiga)
    print(f'Exec v{execlib.version}.{execlib.revision}.')
    if amiga.debugger == "SAD":
        execlib.enterdebugloop()
    execlib.Disable() #romwack unreliable at wire speed if interrupts on, on 000/010 7MHz.
    print("Disable.")
    snip = AmigaSnippets(
        #dbpath="amigasnips.db",
        debugger=amiga,
        serial=ser,
        execlib=execlib,
        allocmem=execlib.AllocMem,
        verifyupload=True,
        verifyuse=False,
        debug=False,
        serper=6,
        baudrate=506699,
        # readmemserper=3,
        # readmembaudrate=886723,
        readmemserper=6,
        readmembaudrate=506699,
        writememserper=6,
        writemembaudrate=506699
        #serper=29,
        #baudrate=115200,
        #readmemserper=29,
        #readmembaudrate=115200,
        #writememserper=29,
        #writemembaudrate=115200
        #readmemserper=368,
        #readmembaudrate=9600,
        #writememserper=368,
        #writemembaudrate=9600
        )
    if snip.reusing:
        print("Reusing snippets.")
    else:
        print("Bootstrapped snippets.")
    execlib.availdump()
    scratch = execlib.AllocMem(scratchsize, 0)
    print(f'Scratch allocated at {hex(scratch)}.')
    transfertest(snip, scratch, scratchsize)
    if amiga.debugger == "SAD":
        execlib.exitdebugloop()
    amiga.setreg('d0', 0)
    amiga.resume()
    exit(0)
if __name__ == '__main__':
    main()