avatar2/handbook/0x03_memory.md/Avatar² Peripheral Emulation Ranges about avatar2 HOT 20 CLOSED

2022-07-12 03:33:09,533 | avatar.INFO | Initialized Avatar. Output directory is ./tmp1/avatar
2022-07-12 03:33:09,535 | avatar.targets.QemuTarget0.WARNING | No cpu_model specified - are you sure?
2022-07-12 03:33:09,540 | avatar.targets.QemuTarget0.INFO | QEMU process running
2022-07-12 03:33:09,753 | avatar.targets.QemuTarget0.INFO | State changed to TargetStates.STOPPED
2022-07-12 03:33:09,754 | avatar.INFO | Received state update of target QemuTarget0 to TargetStates.STOPPED
2022-07-12 03:33:09,769 | avatar.targets.QemuTarget0.QMPProtocol.INFO | b'{"return": {}, "id": 0}\r\n'
2022-07-12 03:33:09,771 | avatar.targets.QemuTarget0.INFO | Connected to remote target
2022-07-12 03:33:09,774 | avatar.targets.QemuTarget0.RemoteMemoryProtocol.INFO | Successfully connected rmp
2022-07-12 03:33:10,275 | avatar.targets.QemuTarget0.RemoteMemoryProtocol.WARNING | Tried to close/unlink non existent rx_queue
2022-07-12 03:33:10,275 | avatar.targets.QemuTarget0.RemoteMemoryProtocol.WARNING | Tried to close/unlink non existent tx_queue

from avatar2 import *
import struct

from avatar_peripheral import AvatarPeripheral

class HelloWorldPeripheral(AvatarPeripheral):

    def hw_read(self, offset, size):
        ret = self.hello_world[:size]
        self.hello_world = self.hello_world[size:] + self.hello_world[:size]

        # Convert the return value to an integer (py2/py3-compatible)
        # Python >3.2 could just call int.from_bytes(ret, byteorder='little')
        s2fmt = {1: 'B', 2: 'H', 4: 'I', 8: 'Q'}
        ret = struct.unpack('<' + s2fmt[size], ret)[0]

        return ret

    def nop_write(self, offset, size, value):
        return True

    def __init__(self, name, address, size, **kwargs):
        AvatarPeripheral.__init__(self, name, address, size)

        self.hello_world=b'Hello World'

        self.read_handler[0:size] = self.hw_read
        self.write_handler[0:size] = self.nop_write

avatar = Avatar(arch=ARM,output_directory='./tmp1/avatar')

qemu = avatar.add_target(QemuTarget)

hw = avatar.add_memory_range(0x40004c00, 0x100, name='hello_world',
                                                    emulate=HelloWorldPeripheral, permissions='rw-')
avatar.init_targets()

root@avatar2-exp:~# python3 hello_world.py 
2022-07-05 13:44:28,842 | avatar.INFO | Initialized Avatar. Output directory is ./tmp1/avatar
2022-07-05 13:44:28,844 | avatar.targets.QemuTarget0.WARNING | No cpu_model specified - are you sure?
Traceback (most recent call last):
  File "hello_world.py", line 36, in <module>
    avatar.init_targets()
  File "/usr/local/lib/python3.8/dist-packages/avatar2-1.4.7-py3.8.egg/avatar2/avatar2.py", line 233, in init_targets
    t[1].init()
  File "/usr/local/lib/python3.8/dist-packages/avatar2-1.4.7-py3.8.egg/avatar2/watchmen.py", line 78, in watchtrigger
    ret = func(self, *args, **kwargs)
  File "/usr/local/lib/python3.8/dist-packages/avatar2-1.4.7-py3.8.egg/avatar2/targets/qemu_target.py", line 263, in init
    file_name=self.qemu_config_file, config=self.generate_qemu_config()
  File "/usr/local/lib/python3.8/dist-packages/avatar2-1.4.7-py3.8.egg/avatar2/targets/qemu_target.py", line 174, in generate_qemu_config
    conf_dict = self.avatar.generate_config()
  File "/usr/local/lib/python3.8/dist-packages/avatar2-1.4.7-py3.8.egg/avatar2/avatar2.py", line 153, in generate_config
    conf_dict["memory_mapping"].append(mr.data.dictify())
  File "/usr/local/lib/python3.8/dist-packages/avatar2-1.4.7-py3.8.egg/avatar2/memory_range.py", line 65, in dictify
    raise Exception(
Exception: Unsupported type <class '__main__.HelloWorldPeripheral'> for dictifying python_peripheral for mem_range at 0x40004c00

#include "mbed.h"

//------------------------------------
// Hyperterminal configuration
// 9600 bauds, 8-bit data, no parity
//------------------------------------

Serial pc(SERIAL_TX, SERIAL_RX);

DigitalOut myled(LED1);

int main()
{
    int i = 1;
    pc.printf("Hello World !\n");
    while(1) {
        wait(1);
        pc.printf("This program runs since %d seconds.\n", i++);
        myled = !myled;
    }
}