def long_write_with_hard_back_preassure_test(dut):
"""
Description:
Perform a long write to the hard drive and simulate difficult
stall condition
Test ID: 7
Expected Result:
-Address should be seen on the fake hard drive side
-Data should be read out of the hard drive
-Length of data in should be equal to the length of data read
"""
dut.test_id = 7
sata = SataController(dut, CLK_PERIOD)
yield(sata.reset())
yield(sata.wait_for_idle())
length = 9000
address = 0x00
dut.write_count = length
dut.write_enable = 1
dut.u2h_write_enable = 1
yield(sata.wait_clocks(1000))
#dut.u2h_write_count = length
#dut.h2u_read_enable = 1
dut.sector_address = address
#What does this do?
dut.sector_count = 0
#dut.write_data_en = 1
yield(sata.write_to_hard_drive(length, address))
yield(sata.wait_clocks(2500))
dut.hold = 1
yield(sata.wait_clocks(1))
dut.hold = 0
yield(sata.wait_clocks(394))
dut.hold = 1
yield(sata.wait_clocks(9))
dut.hold = 0
yield(sata.wait_clocks(400))
dut.hold = 1
yield(sata.wait_clocks(20))
dut.hold = 0
yield(sata.wait_clocks(400))
dut.hold = 1
yield(sata.wait_clocks(1))
dut.hold = 0
yield(sata.wait_for_idle())
dut.write_enable = 0
dut.write_count = 0
yield(sata.wait_clocks(100))
#dut.h2u_read_enable = 0
dut.log.info("Wrote %d piece of data to SATA" % length)
def long_write_with_hard_back_preassure_test(dut):
"""
Description:
Perform a long write to the hard drive and simulate difficult
stall condition
Test ID: 7
Expected Result:
-Address should be seen on the fake hard drive side
-Data should be read out of the hard drive
-Length of data in should be equal to the length of data read
"""
dut.test_id = 7
sata = SataController(dut, CLK_PERIOD)
yield (sata.reset())
yield (sata.wait_for_idle())
length = 9000
address = 0x00
dut.write_count = length
dut.write_enable = 1
dut.u2h_write_enable = 1
yield (sata.wait_clocks(1000))
#dut.u2h_write_count = length
#dut.h2u_read_enable = 1
dut.sector_address = address
#What does this do?
dut.sector_count = 0
#dut.write_data_en = 1
yield (sata.write_to_hard_drive(length, address))
yield (sata.wait_clocks(2500))
dut.hold = 1
yield (sata.wait_clocks(1))
dut.hold = 0
yield (sata.wait_clocks(394))
dut.hold = 1
yield (sata.wait_clocks(9))
dut.hold = 0
yield (sata.wait_clocks(400))
dut.hold = 1
yield (sata.wait_clocks(20))
dut.hold = 0
yield (sata.wait_clocks(400))
dut.hold = 1
yield (sata.wait_clocks(1))
dut.hold = 0
yield (sata.wait_for_idle())
dut.write_enable = 0
dut.write_count = 0
yield (sata.wait_clocks(100))
#dut.h2u_read_enable = 0
dut.log.info("Wrote %d piece of data to SATA" % length)
def long_write_with_easy_back_preassure_test(dut):
"""
Description:
Perform a long write to the hard drive and simulate a stall condition
Test ID: 5
Expected Result:
-Address should be seen on the fake hard drive side
-Data should be read out of the hard drive side
-Length of data read should be the same as the length of data written
"""
dut.test_id = 5
sata = SataController(dut, CLK_PERIOD)
yield(sata.reset())
yield(sata.wait_for_idle())
length = 400
address = 0x00
dut.u2h_write_enable = 1
yield(sata.wait_clocks(800))
#dut.write_count = length
#dut.write_enable = 1
#dut.u2h_write_enable = 1
#dut.u2h_write_count = length
##dut.h2u_read_enable = 1
#dut.sector_address = address
##What does this do?
yield(sata.write_to_hard_drive(length, address))
dut.sector_count = 0
dut.write_data_en = 1
yield(sata.wait_clocks(1))
dut.write_data_en = 0
yield(sata.wait_clocks(200))
dut.hold = 1
yield(sata.wait_clocks(200))
dut.hold = 0
yield(sata.wait_clocks(200))
dut.hold = 1
yield(sata.wait_clocks(300))
dut.hold = 0
yield(sata.wait_for_idle())
dut.write_enable = 0
dut.write_count = 0
yield(sata.wait_clocks(2000))
#dut.h2u_read_enable = 0
dut.log.info("Wrote %d piece of data to SATA" % length)
def long_write_with_easy_back_preassure_test(dut):
"""
Description:
Perform a long write to the hard drive and simulate a stall condition
Test ID: 5
Expected Result:
-Address should be seen on the fake hard drive side
-Data should be read out of the hard drive side
-Length of data read should be the same as the length of data written
"""
dut.test_id = 5
sata = SataController(dut, CLK_PERIOD)
yield (sata.reset())
yield (sata.wait_for_idle())
length = 400
address = 0x00
dut.u2h_write_enable = 1
yield (sata.wait_clocks(800))
#dut.write_count = length
#dut.write_enable = 1
#dut.u2h_write_enable = 1
#dut.u2h_write_count = length
##dut.h2u_read_enable = 1
#dut.sector_address = address
##What does this do?
yield (sata.write_to_hard_drive(length, address))
dut.sector_count = 0
dut.write_data_en = 1
yield (sata.wait_clocks(1))
dut.write_data_en = 0
yield (sata.wait_clocks(200))
dut.hold = 1
yield (sata.wait_clocks(200))
dut.hold = 0
yield (sata.wait_clocks(200))
dut.hold = 1
yield (sata.wait_clocks(300))
dut.hold = 0
yield (sata.wait_for_idle())
dut.write_enable = 0
dut.write_count = 0
yield (sata.wait_clocks(2000))
#dut.h2u_read_enable = 0
dut.log.info("Wrote %d piece of data to SATA" % length)
def short_write_test(dut):
"""
Description:
Perform a single write to the SATA stack
Test ID: 1
Expected Results:
Data and Addressed should be read from the
fake hard drive
"""
dut.test_id = 1
sata = SataController(dut, CLK_PERIOD)
yield(sata.reset())
yield(sata.wait_for_idle())
yield(sata.write_to_hard_drive(10, 0x00))
yield(sata.wait_clocks(100))
dut.log.info("Wrote 1 piece of data to SATA")
def short_write_test(dut):
"""
Description:
Perform a single write to the SATA stack
Test ID: 1
Expected Results:
Data and Addressed should be read from the
fake hard drive
"""
dut.test_id = 1
sata = SataController(dut, CLK_PERIOD)
yield (sata.reset())
yield (sata.wait_for_idle())
yield (sata.write_to_hard_drive(10, 0x00))
yield (sata.wait_clocks(100))
dut.log.info("Wrote 1 piece of data to SATA")
def long_write_test(dut):
"""
Description:
Perform a long write to the hard drive
Test ID: 3
Expected Result:
-Address should be seen on the fake hard drive side
-Data should be read out of the hard drive side
-Number of data should be the same as the write amount
"""
dut.test_id = 3
data_count = 2048
sata = SataController(dut, CLK_PERIOD)
yield(sata.reset())
yield(sata.wait_for_idle())
yield(sata.wait_clocks(100))
yield(sata.write_to_hard_drive(data_count, 0x00))
dut.u2h_write_enable = 1
yield(sata.wait_clocks(10000))
dut.log.info("Wrote %d piece of data to SATA" % data_count)
def long_write_test(dut):
"""
Description:
Perform a long write to the hard drive
Test ID: 3
Expected Result:
-Address should be seen on the fake hard drive side
-Data should be read out of the hard drive side
-Number of data should be the same as the write amount
"""
dut.test_id = 3
data_count = 2048
sata = SataController(dut, CLK_PERIOD)
yield (sata.reset())
yield (sata.wait_for_idle())
yield (sata.wait_clocks(100))
yield (sata.write_to_hard_drive(data_count, 0x00))
dut.u2h_write_enable = 1
yield (sata.wait_clocks(10000))
dut.log.info("Wrote %d piece of data to SATA" % data_count)