Device.py (9162:019047ead23b) Device.py (9165:f9e3dac185ba)
1# Copyright (c) 2005-2007 The Regents of The University of Michigan
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright

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41 abstract = True
42 pio_addr = Param.Addr("Device Address")
43 pio_latency = Param.Latency('1ns', "Programmed IO latency")
44
45class DmaDevice(PioDevice):
46 type = 'DmaDevice'
47 abstract = True
48 dma = MasterPort("DMA port")
1# Copyright (c) 2005-2007 The Regents of The University of Michigan
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright

--- 32 unchanged lines hidden (view full) ---

41 abstract = True
42 pio_addr = Param.Addr("Device Address")
43 pio_latency = Param.Latency('1ns', "Programmed IO latency")
44
45class DmaDevice(PioDevice):
46 type = 'DmaDevice'
47 abstract = True
48 dma = MasterPort("DMA port")
49 min_backoff_delay = Param.Latency('4ns',
50 "min time between a nack packet being received and the next request made by the device")
51 max_backoff_delay = Param.Latency('10us',
52 "max time between a nack packet being received and the next request made by the device")
53
54
49
50
55
56class IsaFake(BasicPioDevice):
57 type = 'IsaFake'
58 pio_size = Param.Addr(0x8, "Size of address range")
59 ret_data8 = Param.UInt8(0xFF, "Default data to return")
60 ret_data16 = Param.UInt16(0xFFFF, "Default data to return")
61 ret_data32 = Param.UInt32(0xFFFFFFFF, "Default data to return")
62 ret_data64 = Param.UInt64(0xFFFFFFFFFFFFFFFF, "Default data to return")
63 ret_bad_addr = Param.Bool(False, "Return pkt status bad address on access")
64 update_data = Param.Bool(False, "Update the data that is returned on writes")
65 warn_access = Param.String("", "String to print when device is accessed")
66 fake_mem = Param.Bool(False,
67 "Is this device acting like a memory and thus may get a cache line sized req")
68
69class BadAddr(IsaFake):
70 pio_addr = 0
71 ret_bad_addr = Param.Bool(True, "Return pkt status bad address on access")
72
73
51class IsaFake(BasicPioDevice):
52 type = 'IsaFake'
53 pio_size = Param.Addr(0x8, "Size of address range")
54 ret_data8 = Param.UInt8(0xFF, "Default data to return")
55 ret_data16 = Param.UInt16(0xFFFF, "Default data to return")
56 ret_data32 = Param.UInt32(0xFFFFFFFF, "Default data to return")
57 ret_data64 = Param.UInt64(0xFFFFFFFFFFFFFFFF, "Default data to return")
58 ret_bad_addr = Param.Bool(False, "Return pkt status bad address on access")
59 update_data = Param.Bool(False, "Update the data that is returned on writes")
60 warn_access = Param.String("", "String to print when device is accessed")
61 fake_mem = Param.Bool(False,
62 "Is this device acting like a memory and thus may get a cache line sized req")
63
64class BadAddr(IsaFake):
65 pio_addr = 0
66 ret_bad_addr = Param.Bool(True, "Return pkt status bad address on access")
67
68