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import random
import cocotb
from cocotb . triggers import FallingEdge , RisingEdge , ClockCycles
import cocotb . log
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from interfaces . cpu import RiskV
from interfaces . defsParser import Regs
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from cocotb . result import TestSuccess
from tests . common_functions . test_functions import *
from tests . bitbang . bitbang_functions import *
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from interfaces . caravel import GPIO_MODE
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from cocotb . binary import BinaryValue
reg = Regs ( )
@cocotb.test ( )
@repot_test
async def gpio_all_o_user ( dut ) :
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caravelEnv , clock = await test_configure ( dut , timeout_cycles = 542674 )
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cpu = RiskV ( dut )
cpu . cpu_force_reset ( )
cpu . cpu_release_reset ( )
await wait_reg1 ( cpu , caravelEnv , 0xAA )
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await caravelEnv . release_csb ( )
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cocotb . log . info ( " [TEST] finish configuring as user output " )
i = 0x20
for j in range ( 5 ) :
await wait_reg2 ( cpu , caravelEnv , 37 - j )
cocotb . log . info ( f ' [Test] gpio out = { caravelEnv . monitor_gpio ( ( 37 , 0 ) ) } j = { j } ' )
if caravelEnv . monitor_gpio ( ( 37 , 0 ) ) . integer != i << 32 :
cocotb . log . error ( f ' [TEST] Wrong gpio high bits output { caravelEnv . monitor_gpio ( ( 37 , 0 ) ) } instead of { bin ( i << 32 ) } ' )
await wait_reg2 ( cpu , caravelEnv , 0 )
if caravelEnv . monitor_gpio ( ( 37 , 0 ) ) . integer != 0 :
cocotb . log . error ( f ' [TEST] Wrong gpio output { caravelEnv . monitor_gpio ( ( 37 , 0 ) ) } instead of { bin ( 0x00000 ) } ' )
i = i >> 1
i | = 0x20
i = 0x80000000
for j in range ( 32 ) :
await wait_reg2 ( cpu , caravelEnv , 32 - j )
cocotb . log . info ( f ' [Test] gpio out = { caravelEnv . monitor_gpio ( ( 37 , 0 ) ) } j = { j } ' )
if caravelEnv . monitor_gpio ( ( 37 , 32 ) ) . integer != 0x3f :
cocotb . log . error ( f ' [TEST] Wrong gpio high bits output { caravelEnv . monitor_gpio ( ( 37 , 32 ) ) } instead of { bin ( 0x3f ) } ' )
if caravelEnv . monitor_gpio ( ( 31 , 0 ) ) . integer != i :
cocotb . log . error ( f ' [TEST] Wrong gpio low bits output { caravelEnv . monitor_gpio ( ( 31 , 0 ) ) } instead of { bin ( i ) } ' )
await wait_reg2 ( cpu , caravelEnv , 0 )
if caravelEnv . monitor_gpio ( ( 37 , 0 ) ) . integer != 0 :
cocotb . log . error ( f ' Wrong gpio output { caravelEnv . monitor_gpio ( ( 37 , 0 ) ) } instead of { bin ( 0x00000 ) } ' )
i = i >> 1
i | = 0x80000000
await wait_reg1 ( cpu , caravelEnv , 0XBB )
data_in = 0x8F66FD7B
cocotb . log . info ( f " [TEST] try send { hex ( data_in ) } to gpio[31:0] " )
caravelEnv . drive_gpio_in ( ( 31 , 0 ) , data_in )
reg2 = 0
await wait_reg1 ( cpu , caravelEnv , 0XFF )
try :
reg2 = cpu . read_debug_reg2 ( )
if reg2 == data_in :
cocotb . log . error ( f " [TEST] Error: data { hex ( data_in ) } driven on gpio[31:0] is seen by firmware while gpios are configured as output " )
else :
cocotb . log . info ( f " [TEST] driven data { hex ( data_in ) } sent can ' t be sent to gpio[31:0] when it configure as output it can see { reg2 } " )
except Exception as e :
cocotb . log . info ( f " [TEST] driven data { hex ( data_in ) } sent can ' t be sent to gpio[31:0] when it configure as output " )
return
await ClockCycles ( caravelEnv . clk , 10 )
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@cocotb.test ( )
@repot_test
async def gpio_all_i_user ( dut ) :
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caravelEnv , clock = await test_configure ( dut , timeout_cycles = 498255 )
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cpu = RiskV ( dut )
cpu . cpu_force_reset ( )
cpu . cpu_release_reset ( )
await wait_reg1 ( cpu , caravelEnv , 0xAA )
cocotb . log . info ( f " [TEST] configuration finished " )
data_in = 0xFFFFFFFF
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[31:0] " )
caravelEnv . drive_gpio_in ( ( 31 , 0 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xBB )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[31:0] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datal has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0xAAAAAAAA
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[31:0] " )
caravelEnv . drive_gpio_in ( ( 31 , 0 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xCC )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[31:0] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datal has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0x55555555
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[31:0] " )
caravelEnv . drive_gpio_in ( ( 31 , 0 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xDD )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[31:0] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datal has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0x0
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[31:0] " )
caravelEnv . drive_gpio_in ( ( 31 , 0 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xD1 )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[31:0] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datal has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0x3F
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[37:32] " )
caravelEnv . drive_gpio_in ( ( 37 , 32 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xD2 )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[37:32] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datah has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0x0
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[37:32] " )
caravelEnv . drive_gpio_in ( ( 37 , 32 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xD3 )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[37:32] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datah has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0x15
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[37:32] " )
caravelEnv . drive_gpio_in ( ( 37 , 32 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xD4 )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[37:32] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datah has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0x2A
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[37:32] " )
caravelEnv . drive_gpio_in ( ( 37 , 32 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0XD5 )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[37:32] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datah has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
caravelEnv . release_gpio ( ( 37 , 0 ) )
await wait_reg2 ( cpu , caravelEnv , 0XFF )
if caravelEnv . monitor_gpio ( ( 37 , 0 ) ) . binstr != " zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz " :
cocotb . log . error ( f " [TEST] ERROR: firmware can write to the gpios while they are configured as input_nopull gpio= { caravelEnv . monitor_gpio ( ( 37 , 0 ) ) } " )
else :
cocotb . log . info ( f " [TEST] [TEST] PASS: firmware cannot write to the gpios while they are configured as input_nopull gpio= { caravelEnv . monitor_gpio ( ( 37 , 0 ) ) } " )
cocotb . log . info ( f " [TEST] finish " )
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@cocotb.test ( )
@repot_test
async def gpio_all_i_pu_user ( dut ) :
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caravelEnv , clock = await test_configure ( dut , timeout_cycles = 56875 , num_error = 2000 )
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cpu = RiskV ( dut )
cpu . cpu_force_reset ( )
cpu . cpu_release_reset ( )
uut = dut . uut
await wait_reg1 ( cpu , caravelEnv , 0xAA )
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await caravelEnv . release_csb ( )
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# monitor the output of padframe module it suppose to be all ones when no input is applied
await ClockCycles ( caravelEnv . clk , 100 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if gpio [ i ] != " 1 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 1 while configured as input pullup and float " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive gpios with zero
data_in = 0x0
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if gpio [ i ] != " 0 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 0 while configured as input pullup and drived with 0 " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive gpios with ones
data_in = 0x3FFFFFFFFF
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if gpio [ i ] != " 1 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 1 while configured as input pullup and drived with 1 " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive odd half gpios with zeros and float other half
data_in = 0x0
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
for i in range ( 0 , 38 , 2 ) :
caravelEnv . release_gpio ( i ) # release even gpios
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if i % 2 == 1 : #odd
if gpio [ i ] != " 1 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 1 while configured as input pullup and drived with odd half with 0 " )
else :
if gpio [ i ] != " 0 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 0 while configured as input pullup and drived with odd half with 0 " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive even half gpios with zeros and float other half
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
for i in range ( 1 , 38 , 2 ) :
caravelEnv . release_gpio ( i ) # release odd gpios
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if i % 2 == 1 : #odd
if gpio [ i ] != " 0 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 0 while configured as input pullup and drived with even half with 0 " )
else :
if gpio [ i ] != " 1 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 1 while configured as input pullup and drived with even half with 0 " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive odd half gpios with ones and float other half
data_in = 0x3FFFFFFFFF
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
for i in range ( 0 , 38 , 2 ) :
caravelEnv . release_gpio ( i ) # release even gpios
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if gpio [ i ] != " 1 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 1 while configured as input pullup and drived with odd half with 1 " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive even half gpios with zeros and float other half
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
for i in range ( 1 , 38 , 2 ) :
caravelEnv . release_gpio ( i ) # release odd gpios
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if gpio [ i ] != " 1 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 1 while configured as input pullup and drived with even half with 1 " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive with zeros then release all gpio
data_in = 0x0
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
await ClockCycles ( caravelEnv . clk , 1000 )
caravelEnv . release_gpio ( ( 37 , 0 ) )
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if gpio [ i ] != " 1 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 1 while configured as input pullup and all released " )
await ClockCycles ( caravelEnv . clk , 1000 )
@cocotb.test ( )
@repot_test
async def gpio_all_i_pd_user ( dut ) :
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caravelEnv , clock = await test_configure ( dut , timeout_cycles = 54138 , num_error = 2000 )
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cpu = RiskV ( dut )
cpu . cpu_force_reset ( )
cpu . cpu_release_reset ( )
uut = dut . uut
await wait_reg1 ( cpu , caravelEnv , 0xAA )
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await caravelEnv . release_csb ( )
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# monitor the output of padframe module it suppose to be all ones when no input is applied
await ClockCycles ( caravelEnv . clk , 100 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if gpio [ i ] != " 0 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 0 while configured as input pulldown and float " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive gpios with zero
data_in = 0x0
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if gpio [ i ] != " 0 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 0 while configured as input pulldown and drived with 0 " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive gpios with ones
data_in = 0x3FFFFFFFFF
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if gpio [ i ] != " 1 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 1 while configured as input pulldown and drived with 1 " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive odd half gpios with zeros and float other half
data_in = 0x0
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
for i in range ( 0 , 38 , 2 ) :
caravelEnv . release_gpio ( i ) # release even gpios
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if gpio [ i ] != " 0 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 0 while configured as input pulldown and drived with odd half with 0 " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive even half gpios with zeros and float other half
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
for i in range ( 1 , 38 , 2 ) :
caravelEnv . release_gpio ( i ) # release odd gpios
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if gpio [ i ] != " 0 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 0 while configured as input pulldown and drived with even half with 0 " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive odd half gpios with ones and float other half
data_in = 0x3FFFFFFFFF
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
for i in range ( 0 , 38 , 2 ) :
caravelEnv . release_gpio ( i ) # release even gpios
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if i % 2 == 0 : #even
if gpio [ i ] != " 1 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 1 while configured as input pulldown and drived with odd half with 1 " )
else :
if gpio [ i ] != " 0 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 0 while configured as input pulldown and drived with odd half with 1 " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive even half gpios with zeros and float other half
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
for i in range ( 1 , 38 , 2 ) :
caravelEnv . release_gpio ( i ) # release odd gpios
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if i % 2 == 1 : #odd
if gpio [ i ] != " 1 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 1 while configured as input pulldown and drived with odd half with 1 " )
else :
if gpio [ i ] != " 0 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 0 while configured as input pulldown and drived with odd half with 1 " )
await ClockCycles ( caravelEnv . clk , 1000 )
# drive with ones then release all gpio
data_in = 0x3FFFFFFFFF
caravelEnv . drive_gpio_in ( ( 37 , 0 ) , data_in )
await ClockCycles ( caravelEnv . clk , 1000 )
caravelEnv . release_gpio ( ( 37 , 0 ) )
await ClockCycles ( caravelEnv . clk , 1000 )
gpio = dut . uut . padframe . mprj_io_in . value . binstr
for i in range ( 38 ) :
if gpio [ i ] != " 0 " :
cocotb . log . error ( f " [TEST] gpio[ { i } ] is having wrong value { gpio [ i ] } instead of 0 while configured as input pulldown and all released " )
await ClockCycles ( caravelEnv . clk , 1000 )
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@cocotb.test ( )
@repot_test
async def gpio_all_bidir_user ( dut ) :
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caravelEnv , clock = await test_configure ( dut , timeout_cycles = 266662 )
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cpu = RiskV ( dut )
cpu . cpu_force_reset ( )
cpu . cpu_release_reset ( )
uut = dut . uut
await wait_reg1 ( cpu , caravelEnv , 0x1A )
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await caravelEnv . release_csb ( )
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cocotb . log . info ( " [TEST] finish configuring " )
i = 0x20
for j in range ( 5 ) :
await wait_reg2 ( cpu , caravelEnv , 37 - j )
cocotb . log . info ( f ' [Test] gpio out = { caravelEnv . monitor_gpio ( ( 37 , 0 ) ) } j = { j } ' )
if caravelEnv . monitor_gpio ( ( 37 , 0 ) ) . integer != i << 32 :
cocotb . log . error ( f ' [TEST] Wrong gpio high bits output { caravelEnv . monitor_gpio ( ( 37 , 0 ) ) } instead of { bin ( i << 32 ) } ' )
await wait_reg2 ( cpu , caravelEnv , 0 )
if caravelEnv . monitor_gpio ( ( 37 , 0 ) ) . integer != 0 :
cocotb . log . error ( f ' [TEST] Wrong gpio output { caravelEnv . monitor_gpio ( ( 37 , 0 ) ) } instead of { bin ( 0x00000 ) } ' )
i = i >> 1
i | = 0x20
i = 0x80000000
for j in range ( 32 ) :
await wait_reg2 ( cpu , caravelEnv , 32 - j )
cocotb . log . info ( f ' [Test] gpio out = { caravelEnv . monitor_gpio ( ( 37 , 0 ) ) } j = { j } ' )
if caravelEnv . monitor_gpio ( ( 37 , 32 ) ) . integer != 0x3f :
cocotb . log . error ( f ' [TEST] Wrong gpio high bits output { caravelEnv . monitor_gpio ( ( 37 , 32 ) ) } instead of { bin ( 0x3f ) } ' )
if caravelEnv . monitor_gpio ( ( 31 , 0 ) ) . integer != i :
cocotb . log . error ( f ' [TEST] Wrong gpio low bits output { caravelEnv . monitor_gpio ( ( 31 , 0 ) ) } instead of { bin ( i ) } ' )
await wait_reg2 ( cpu , caravelEnv , 0 )
if caravelEnv . monitor_gpio ( ( 37 , 0 ) ) . integer != 0 :
cocotb . log . error ( f ' Wrong gpio output { caravelEnv . monitor_gpio ( ( 37 , 0 ) ) } instead of { bin ( 0x00000 ) } ' )
i = i >> 1
i | = 0x80000000
caravelEnv . release_gpio ( ( 37 , 0 ) )
await ClockCycles ( caravelEnv . clk , 10 )
caravelEnv . drive_gpio_in ( ( 31 , 0 ) , 0 )
await ClockCycles ( caravelEnv . clk , 10 )
await wait_reg1 ( cpu , caravelEnv , 0xAA )
cocotb . log . info ( f " [TEST] configuration finished " )
data_in = 0xFFFFFFFF
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[31:0] " )
caravelEnv . drive_gpio_in ( ( 31 , 0 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xBB )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[31:0] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datal has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0xAAAAAAAA
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[31:0] " )
caravelEnv . drive_gpio_in ( ( 31 , 0 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xCC )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[31:0] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datal has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0x55555555
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[31:0] " )
caravelEnv . drive_gpio_in ( ( 31 , 0 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xDD )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[31:0] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datal has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0x0
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[31:0] " )
caravelEnv . drive_gpio_in ( ( 31 , 0 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xD1 )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[31:0] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datal has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0x3F
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[37:32] " )
caravelEnv . drive_gpio_in ( ( 37 , 32 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xD2 )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[37:32] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datah has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0x0
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[37:32] " )
caravelEnv . drive_gpio_in ( ( 37 , 32 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xD3 )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[37:32] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datah has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0x15
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[37:32] " )
caravelEnv . drive_gpio_in ( ( 37 , 32 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0xD4 )
if cpu . read_debug_reg2 ( ) == data_in :
cocotb . log . info ( f " [TEST] data { hex ( data_in ) } sent successfully through gpio[37:32] " )
else :
cocotb . log . error ( f " [TEST] Error: reg_mprj_datah has recieved wrong data { cpu . read_debug_reg2 ( ) } instead of { data_in } " )
data_in = 0x2A
cocotb . log . info ( f " [TEST] drive { hex ( data_in ) } to gpio[37:32] " )
caravelEnv . drive_gpio_in ( ( 37 , 32 ) , data_in )
await wait_reg1 ( cpu , caravelEnv , 0XD5 )
await wait_reg2 ( cpu , caravelEnv , 0XFF )
cocotb . log . info ( f " [TEST] finish " )
await ClockCycles ( caravelEnv . clk , 10 )