| Line 66... |
Line 66... |
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
architecture TestRioSerialImpl of TestRioSerial is
|
architecture TestRioSerialImpl of TestRioSerial is
|
|
|
component TestSwitchPort is
|
component TestSwitchPort is
|
generic(
|
generic(
|
NUMBER_WORDS : natural range 1 to 8 := 1);
|
NUMBER_WORDS : natural range 1 to 4 := 1);
|
port(
|
port(
|
clk : in std_logic;
|
clk : in std_logic;
|
areset_n : in std_logic;
|
areset_n : in std_logic;
|
|
|
frameValid_i : in std_logic_vector(0 to 63);
|
frameValid_i : in std_logic_vector(0 to 63);
|
| Line 91... |
Line 91... |
readWindowNext_i : in std_logic;
|
readWindowNext_i : in std_logic;
|
|
|
readContentEmpty_o : out std_logic;
|
readContentEmpty_o : out std_logic;
|
readContent_i : in std_logic;
|
readContent_i : in std_logic;
|
readContentEnd_o : out std_logic;
|
readContentEnd_o : out std_logic;
|
readContentData_o : out std_logic_vector(31 downto 0);
|
readContentData_o : out std_logic_vector(2+(32*NUMBER_WORDS-1) downto 0);
|
|
|
writeFrameFull_o : out std_logic;
|
writeFrameFull_o : out std_logic;
|
writeFrame_i : in std_logic;
|
writeFrame_i : in std_logic;
|
writeFrameAbort_i : in std_logic;
|
writeFrameAbort_i : in std_logic;
|
writeContent_i : in std_logic;
|
writeContent_i : in std_logic;
|
writeContentData_i : in std_logic_vector(31 downto 0));
|
writeContentData_i : in std_logic_vector(2+(32*NUMBER_WORDS-1) downto 0));
|
end component;
|
end component;
|
|
|
component RioSerial is
|
component RioSerial is
|
generic(
|
generic(
|
TIMEOUT_WIDTH : natural);
|
TIMEOUT_WIDTH : natural := 20;
|
|
NUMBER_WORDS : natural range 1 to 4 := 1);
|
port(
|
port(
|
clk : in std_logic;
|
clk : in std_logic;
|
areset_n : in std_logic;
|
areset_n : in std_logic;
|
|
|
portLinkTimeout_i : in std_logic_vector(TIMEOUT_WIDTH-1 downto 0);
|
portLinkTimeout_i : in std_logic_vector(TIMEOUT_WIDTH-1 downto 0);
|
| Line 131... |
Line 132... |
readWindowReset_o : out std_logic;
|
readWindowReset_o : out std_logic;
|
readWindowNext_o : out std_logic;
|
readWindowNext_o : out std_logic;
|
readContentEmpty_i : in std_logic;
|
readContentEmpty_i : in std_logic;
|
readContent_o : out std_logic;
|
readContent_o : out std_logic;
|
readContentEnd_i : in std_logic;
|
readContentEnd_i : in std_logic;
|
readContentData_i : in std_logic_vector(31 downto 0);
|
readContentData_i : in std_logic_vector(2+(32*NUMBER_WORDS-1) downto 0);
|
|
|
writeFrameFull_i : in std_logic;
|
writeFrameFull_i : in std_logic;
|
writeFrame_o : out std_logic;
|
writeFrame_o : out std_logic;
|
writeFrameAbort_o : out std_logic;
|
writeFrameAbort_o : out std_logic;
|
writeContent_o : out std_logic;
|
writeContent_o : out std_logic;
|
writeContentData_o : out std_logic_vector(31 downto 0);
|
writeContentData_o : out std_logic_vector(2+(32*NUMBER_WORDS-1) downto 0);
|
|
|
portInitialized_i : in std_logic;
|
portInitialized_i : in std_logic;
|
outboundSymbolFull_i : in std_logic;
|
outboundSymbolFull_i : in std_logic;
|
outboundSymbolWrite_o : out std_logic;
|
outboundSymbolWrite_o : out std_logic;
|
outboundSymbol_o : out std_logic_vector(((2+32)-1) downto 0);
|
outboundSymbolType_o : out std_logic_vector(2*NUMBER_WORDS-1 downto 0);
|
|
outboundSymbol_o : out std_logic_vector(32*NUMBER_WORDS-1 downto 0);
|
inboundSymbolEmpty_i : in std_logic;
|
inboundSymbolEmpty_i : in std_logic;
|
inboundSymbolRead_o : out std_logic;
|
inboundSymbolRead_o : out std_logic;
|
inboundSymbol_i : in std_logic_vector(((2+32)-1) downto 0));
|
inboundSymbolType_i : in std_logic_vector(2*NUMBER_WORDS-1 downto 0);
|
|
inboundSymbol_i : in std_logic_vector(32*NUMBER_WORDS-1 downto 0));
|
end component;
|
end component;
|
|
|
constant NUMBER_WORDS : natural range 1 to 4 := 1;
|
constant NUMBER_WORDS : natural range 1 to 4 := 2;
|
|
|
signal clk : std_logic;
|
signal clk : std_logic;
|
signal areset_n : std_logic;
|
signal areset_n : std_logic;
|
|
|
signal portLinkTimeout : std_logic_vector(10 downto 0);
|
signal portLinkTimeout : std_logic_vector(10 downto 0);
|
| Line 170... |
Line 173... |
signal outboundAckIdRead : std_logic_vector(4 downto 0);
|
signal outboundAckIdRead : std_logic_vector(4 downto 0);
|
|
|
signal portInitialized : std_logic;
|
signal portInitialized : std_logic;
|
signal outboundSymbolFull : std_logic;
|
signal outboundSymbolFull : std_logic;
|
signal outboundSymbolWrite : std_logic;
|
signal outboundSymbolWrite : std_logic;
|
signal outboundSymbol : std_logic_vector((2+32)-1 downto 0);
|
signal outboundSymbolType : std_logic_vector(2*NUMBER_WORDS-1 downto 0);
|
|
signal outboundSymbol : std_logic_vector(32*NUMBER_WORDS-1 downto 0);
|
signal inboundSymbolEmpty : std_logic;
|
signal inboundSymbolEmpty : std_logic;
|
signal inboundSymbolRead : std_logic;
|
signal inboundSymbolRead : std_logic;
|
signal inboundSymbol : std_logic_vector((2+32)-1 downto 0);
|
signal inboundSymbolType : std_logic_vector(2*NUMBER_WORDS-1 downto 0);
|
|
signal inboundSymbol : std_logic_vector(32*NUMBER_WORDS-1 downto 0);
|
|
|
signal readFrameEmpty : std_logic;
|
signal readFrameEmpty : std_logic;
|
signal readFrame : std_logic;
|
signal readFrame : std_logic;
|
signal readFrameRestart : std_logic;
|
signal readFrameRestart : std_logic;
|
signal readFrameAborted : std_logic;
|
signal readFrameAborted : std_logic;
|
| Line 185... |
Line 190... |
signal readWindowReset : std_logic;
|
signal readWindowReset : std_logic;
|
signal readWindowNext : std_logic;
|
signal readWindowNext : std_logic;
|
signal readContentEmpty : std_logic;
|
signal readContentEmpty : std_logic;
|
signal readContent : std_logic;
|
signal readContent : std_logic;
|
signal readContentEnd : std_logic;
|
signal readContentEnd : std_logic;
|
signal readContentData : std_logic_vector(31 downto 0);
|
signal readContentData : std_logic_vector(2+(32*NUMBER_WORDS-1) downto 0);
|
|
|
signal writeFrameFull : std_logic;
|
signal writeFrameFull : std_logic;
|
signal writeFrame : std_logic;
|
signal writeFrame : std_logic;
|
signal writeFrameAbort : std_logic;
|
signal writeFrameAbort : std_logic;
|
signal writeContent : std_logic;
|
signal writeContent : std_logic;
|
signal writeContentData : std_logic_vector(31 downto 0);
|
signal writeContentData : std_logic_vector(2+(32*NUMBER_WORDS-1) downto 0);
|
|
|
signal frameValid : std_logic_vector(0 to 63);
|
signal frameValid : std_logic_vector(0 to 63);
|
signal frameWrite : RioFrameArray(0 to 63);
|
signal frameWrite : RioFrameArray(0 to 63);
|
signal frameComplete : std_logic_vector(0 to 63);
|
signal frameComplete : std_logic_vector(0 to 63);
|
signal frameExpected : std_logic;
|
signal frameExpected : std_logic;
|
| Line 219... |
Line 224... |
-----------------------------------------------------------------------------
|
-----------------------------------------------------------------------------
|
-- Serial protocol test driver.
|
-- Serial protocol test driver.
|
-----------------------------------------------------------------------------
|
-----------------------------------------------------------------------------
|
TestDriver: process
|
TestDriver: process
|
|
|
|
variable inboundSymbolIndex : natural := 0;
|
|
variable outboundSymbolIndex : natural := 0;
|
|
|
---------------------------------------------------------------------------
|
---------------------------------------------------------------------------
|
-- Procedure to receive a symbol.
|
-- Procedure to receive a symbol.
|
---------------------------------------------------------------------------
|
---------------------------------------------------------------------------
|
procedure ReceiveSymbol(
|
procedure ReceiveSymbol(
|
constant symbolType : in std_logic_vector(1 downto 0);
|
constant symbolType : in std_logic_vector(1 downto 0);
|
constant symbolContent : in std_logic_vector(31 downto 0) := x"00000000";
|
constant symbolContent : in std_logic_vector(31 downto 0) := x"00000000";
|
constant acceptIdle : in boolean := true) is
|
constant acceptIdle : in boolean := true) is
|
begin
|
begin
|
outboundSymbolFull <= '0';
|
outboundSymbolFull <= '0';
|
|
|
|
if (outboundSymbolIndex = NUMBER_WORDS) then
|
|
outboundSymbolIndex := 0;
|
wait until clk'event and clk = '1' and outboundSymbolWrite = '1';
|
wait until clk'event and clk = '1' and outboundSymbolWrite = '1';
|
|
end if;
|
|
|
if (acceptIdle) then
|
if (acceptIdle) then
|
while ((outboundSymbol(33 downto 32) = SYMBOL_IDLE) and
|
while ((outboundSymbolType(2*(outboundSymbolIndex+1)-1 downto 2*(outboundSymbolIndex)) = SYMBOL_IDLE) and
|
(symbolType /= SYMBOL_IDLE)) loop
|
(symbolType /= SYMBOL_IDLE)) loop
|
|
outboundSymbolIndex := outboundSymbolIndex + 1;
|
|
if (outboundSymbolIndex = NUMBER_WORDS) then
|
|
outboundSymbolIndex := 0;
|
wait until clk'event and clk = '1' and outboundSymbolWrite = '1';
|
wait until clk'event and clk = '1' and outboundSymbolWrite = '1';
|
|
end if;
|
end loop;
|
end loop;
|
end if;
|
end if;
|
|
|
assert symbolType = outboundSymbol(33 downto 32)
|
assert symbolType = outboundSymbolType(2*(outboundSymbolIndex+1)-1 downto 2*(outboundSymbolIndex))
|
report "Missmatching symbol type:expected=" &
|
report "Missmatching symbol type:expected=" &
|
integer'image(to_integer(unsigned(symbolType))) &
|
integer'image(to_integer(unsigned(symbolType))) &
|
" got=" &
|
" got=" &
|
integer'image(to_integer(unsigned(outboundSymbol(33 downto 32))))
|
integer'image(to_integer(unsigned(outboundSymbolType(2*(outboundSymbolIndex+1)-1 downto 2*(outboundSymbolIndex)))))
|
severity error;
|
severity error;
|
|
|
if (outboundSymbol(33 downto 32) = SYMBOL_CONTROL) then
|
if (outboundSymbolType(2*(outboundSymbolIndex+1)-1 downto 2*(outboundSymbolIndex)) = SYMBOL_CONTROL) then
|
assert symbolContent(31 downto 8) = outboundSymbol(31 downto 8)
|
assert symbolContent(31 downto 8) = outboundSymbol(32*(outboundSymbolIndex+1)-1 downto 32*outboundSymbolIndex+8)
|
report "Missmatching symbol content:expected=" &
|
report "Missmatching symbol content:expected=" &
|
integer'image(to_integer(unsigned(symbolContent(31 downto 8)))) &
|
integer'image(to_integer(unsigned(symbolContent(31 downto 8)))) &
|
" got=" &
|
" got=" &
|
integer'image(to_integer(unsigned(outboundSymbol(31 downto 8))))
|
integer'image(to_integer(unsigned(outboundSymbol(32*(outboundSymbolIndex+1)-1 downto 32*outboundSymbolIndex+8))))
|
severity error;
|
severity error;
|
elsif (outboundSymbol(33 downto 32) = SYMBOL_DATA) then
|
elsif (outboundSymbolType(2*(outboundSymbolIndex+1)-1 downto 2*(outboundSymbolIndex)) = SYMBOL_DATA) then
|
assert symbolContent(31 downto 0) = outboundSymbol(31 downto 0)
|
assert symbolContent(31 downto 0) = outboundSymbol(32*(outboundSymbolIndex+1)-1 downto 32*outboundSymbolIndex)
|
report "Missmatching symbol content:expected=" &
|
report "Missmatching symbol content:expected=" &
|
integer'image(to_integer(unsigned(symbolContent(31 downto 0)))) &
|
integer'image(to_integer(unsigned(symbolContent(31 downto 0)))) &
|
" got=" &
|
" got=" &
|
integer'image(to_integer(unsigned(outboundSymbol(31 downto 0))))
|
integer'image(to_integer(unsigned(outboundSymbol(32*(outboundSymbolIndex+1)-1 downto 32*outboundSymbolIndex))))
|
severity error;
|
severity error;
|
end if;
|
end if;
|
|
|
|
outboundSymbolIndex := outboundSymbolIndex + 1;
|
outboundSymbolFull <= '1';
|
outboundSymbolFull <= '1';
|
end procedure;
|
end procedure;
|
|
|
---------------------------------------------------------------------------
|
---------------------------------------------------------------------------
|
-- Procedure to send a symbol.
|
-- Procedure to send a symbol.
|
---------------------------------------------------------------------------
|
---------------------------------------------------------------------------
|
procedure SendSymbol(
|
procedure SendSymbol(
|
constant symbolType : in std_logic_vector(1 downto 0);
|
constant symbolType : in std_logic_vector(1 downto 0);
|
constant symbolContent : in std_logic_vector(31 downto 0) := x"00000000") is
|
constant symbolContent : in std_logic_vector(31 downto 0) := x"00000000";
|
|
constant flush : in boolean := false) is
|
begin
|
begin
|
inboundSymbolEmpty <= '0';
|
inboundSymbolEmpty <= '0';
|
inboundSymbol <= symbolType & symbolContent;
|
inboundSymbolType(2*(inboundSymbolIndex+1)-1 downto 2*inboundSymbolIndex) <= symbolType;
|
|
inboundSymbol(32*(inboundSymbolIndex+1)-1 downto 32*inboundSymbolIndex) <= symbolContent;
|
|
|
|
inboundSymbolIndex := inboundSymbolIndex + 1;
|
|
if (flush or (inboundSymbolIndex = NUMBER_WORDS)) then
|
wait until clk'event and clk = '1' and inboundSymbolRead = '1';
|
wait until clk'event and clk = '1' and inboundSymbolRead = '1';
|
|
inboundSymbolIndex := 0;
|
|
inboundSymbolType <= (others=>'0');
|
|
inboundSymbol <= (others=>'0');
|
|
end if;
|
|
|
inboundSymbolEmpty <= '1';
|
inboundSymbolEmpty <= '1';
|
end procedure;
|
end procedure;
|
|
|
---------------------------------------------------------------------------
|
---------------------------------------------------------------------------
|
-- Process variables.
|
-- Process variables.
|
| Line 301... |
Line 327... |
outputPortEnable <= '1';
|
outputPortEnable <= '1';
|
|
|
portInitialized <= '0';
|
portInitialized <= '0';
|
outboundSymbolFull <= '1';
|
outboundSymbolFull <= '1';
|
inboundSymbolEmpty <= '1';
|
inboundSymbolEmpty <= '1';
|
|
inboundSymbolType <= (others=>'0');
|
inboundSymbol <= (others => '0');
|
inboundSymbol <= (others => '0');
|
|
|
localAckIdWrite <= '0';
|
localAckIdWrite <= '0';
|
clrOutstandingAckId <= '0';
|
clrOutstandingAckId <= '0';
|
inboundAckIdWrite <= (others=>'0');
|
inboundAckIdWrite <= (others=>'0');
|
| Line 356... |
Line 383... |
-- Initialize the port to trigger a change of state.
|
-- Initialize the port to trigger a change of state.
|
portInitialized <= '1';
|
portInitialized <= '1';
|
|
|
-- The transmitter should send idle sequences at startup and a status once
|
-- The transmitter should send idle sequences at startup and a status once
|
-- in a while.
|
-- in a while.
|
for i in 0 to 256 loop
|
-- REMARK: Find out why 4 additional idle are sent...
|
|
for i in 0 to 259 loop
|
ReceiveSymbol(SYMBOL_IDLE);
|
ReceiveSymbol(SYMBOL_IDLE);
|
end loop;
|
end loop;
|
ReceiveSymbol(SYMBOL_CONTROL,
|
ReceiveSymbol(SYMBOL_CONTROL,
|
RioControlSymbolCreate(STYPE0_STATUS, "00000", "11111",
|
RioControlSymbolCreate(STYPE0_STATUS, "00000", "11111",
|
STYPE1_NOP, "000"),
|
STYPE1_NOP, "000"),
|
| Line 401... |
Line 429... |
-- Initialize the port to trigger a change of state.
|
-- Initialize the port to trigger a change of state.
|
portInitialized <= '1';
|
portInitialized <= '1';
|
|
|
-- The transmitter should send idle sequences at startup and a status once
|
-- The transmitter should send idle sequences at startup and a status once
|
-- in a while.
|
-- in a while.
|
for i in 0 to 256 loop
|
for i in 0 to 259 loop
|
ReceiveSymbol(SYMBOL_IDLE);
|
ReceiveSymbol(SYMBOL_IDLE);
|
end loop;
|
end loop;
|
ReceiveSymbol(SYMBOL_CONTROL,
|
ReceiveSymbol(SYMBOL_CONTROL,
|
RioControlSymbolCreate(STYPE0_STATUS, "00000", "11111",
|
RioControlSymbolCreate(STYPE0_STATUS, "00000", "11111",
|
STYPE1_NOP, "000"),
|
STYPE1_NOP, "000"),
|
| Line 435... |
Line 463... |
---------------------------------------------------------------------------
|
---------------------------------------------------------------------------
|
PrintR("TG_RioSerial-TC2-Step3");
|
PrintR("TG_RioSerial-TC2-Step3");
|
---------------------------------------------------------------------------
|
---------------------------------------------------------------------------
|
|
|
-- A received error-free status triggers transmission of status symbols in
|
-- A received error-free status triggers transmission of status symbols in
|
-- a more rapid past.
|
-- a more rapid pace.
|
SendSymbol(SYMBOL_CONTROL,
|
SendSymbol(SYMBOL_CONTROL,
|
RioControlSymbolCreate(STYPE0_STATUS, "00000", "11111",
|
RioControlSymbolCreate(STYPE0_STATUS, "00000", "11111",
|
STYPE1_NOP, "000"));
|
STYPE1_NOP, "000"),
|
|
true);
|
|
|
-- The transmitter should send at least 15 additional statuses after
|
-- The transmitter should send at least 15 additional statuses after
|
-- receiving an error free status.
|
-- receiving an error free status.
|
for j in 0 to 15 loop
|
for j in 0 to 15 loop
|
for i in 0 to 15 loop
|
for i in 0 to 15 loop
|
| Line 479... |
Line 508... |
---------------------------------------------------------------------------
|
---------------------------------------------------------------------------
|
PrintR("TG_RioSerial-TC2-Step5");
|
PrintR("TG_RioSerial-TC2-Step5");
|
---------------------------------------------------------------------------
|
---------------------------------------------------------------------------
|
|
|
-- Make the link fully initialized by sending 7 additional statuses.
|
-- Make the link fully initialized by sending 7 additional statuses.
|
for i in 0 to 6 loop
|
for i in 0 to 5 loop
|
SendSymbol(SYMBOL_CONTROL,
|
SendSymbol(SYMBOL_CONTROL,
|
RioControlSymbolCreate(STYPE0_STATUS, "00000", "11111",
|
RioControlSymbolCreate(STYPE0_STATUS, "00000", "11111",
|
STYPE1_NOP, "000"));
|
STYPE1_NOP, "000"));
|
end loop;
|
end loop;
|
|
SendSymbol(SYMBOL_CONTROL,
|
|
RioControlSymbolCreate(STYPE0_STATUS, "00000", "11111",
|
|
STYPE1_NOP, "000"),
|
|
true);
|
|
|
-- Tick the transmitter by reading it and check that the link is initialized.
|
-- Tick the transmitter by reading it and check that the link is initialized.
|
ReceiveSymbol(SYMBOL_IDLE);
|
ReceiveSymbol(SYMBOL_IDLE);
|
ReceiveSymbol(SYMBOL_IDLE);
|
ReceiveSymbol(SYMBOL_IDLE);
|
ReceiveSymbol(SYMBOL_IDLE);
|
ReceiveSymbol(SYMBOL_IDLE);
|
| Line 533... |
Line 566... |
|
|
-- Check that the frame has been received in the frame buffer.
|
-- Check that the frame has been received in the frame buffer.
|
wait until frameReceived = '1';
|
wait until frameReceived = '1';
|
frameExpected <= '0';
|
frameExpected <= '0';
|
|
|
-- Receive an idle symbol left in the FIFO before the ack was generated.
|
|
ReceiveSymbol(SYMBOL_IDLE);
|
|
|
|
-- Receive acknowledge for the transmitted frame.
|
-- Receive acknowledge for the transmitted frame.
|
ReceiveSymbol(SYMBOL_CONTROL,
|
ReceiveSymbol(SYMBOL_CONTROL,
|
RioControlSymbolCreate(STYPE0_PACKET_ACCEPTED, "00000", "11111",
|
RioControlSymbolCreate(STYPE0_PACKET_ACCEPTED, "00000", "11111",
|
STYPE1_NOP, "000"));
|
STYPE1_NOP, "000"));
|
|
|
| Line 2270... |
Line 2300... |
-- Instantiate the uart.
|
-- Instantiate the uart.
|
-----------------------------------------------------------------------------
|
-----------------------------------------------------------------------------
|
|
|
TestPort: TestSwitchPort
|
TestPort: TestSwitchPort
|
generic map(
|
generic map(
|
NUMBER_WORDS=>1)
|
NUMBER_WORDS=>NUMBER_WORDS)
|
port map(
|
port map(
|
clk=>clk, areset_n=>areset_n,
|
clk=>clk, areset_n=>areset_n,
|
frameValid_i=>frameValid, frameWrite_i=>frameWrite, frameComplete_o=>frameComplete,
|
frameValid_i=>frameValid, frameWrite_i=>frameWrite, frameComplete_o=>frameComplete,
|
frameExpected_i=>frameExpected, frameRead_i=>frameRead, frameReceived_o=>frameReceived,
|
frameExpected_i=>frameExpected, frameRead_i=>frameRead, frameReceived_o=>frameReceived,
|
readFrameEmpty_o=>readFrameEmpty, readFrame_i=>readFrame,
|
readFrameEmpty_o=>readFrameEmpty, readFrame_i=>readFrame,
|
| Line 2286... |
Line 2316... |
writeFrameFull_o=>writeFrameFull, writeFrame_i=>writeFrame, writeFrameAbort_i=>writeFrameAbort,
|
writeFrameFull_o=>writeFrameFull, writeFrame_i=>writeFrame, writeFrameAbort_i=>writeFrameAbort,
|
writeContent_i=>writeContent, writeContentData_i=>writeContentData);
|
writeContent_i=>writeContent, writeContentData_i=>writeContentData);
|
|
|
TestPhy: RioSerial
|
TestPhy: RioSerial
|
generic map(
|
generic map(
|
TIMEOUT_WIDTH=>11)
|
TIMEOUT_WIDTH=>11,
|
|
NUMBER_WORDS=>NUMBER_WORDS)
|
port map(
|
port map(
|
clk=>clk, areset_n=>areset_n,
|
clk=>clk, areset_n=>areset_n,
|
portLinkTimeout_i=>portLinkTimeout,
|
portLinkTimeout_i=>portLinkTimeout,
|
linkInitialized_o=>linkInitialized,
|
linkInitialized_o=>linkInitialized,
|
inputPortEnable_i=>inputPortEnable,
|
inputPortEnable_i=>inputPortEnable,
|
| Line 2301... |
Line 2332... |
outstandingAckId_i=>outstandingAckIdWrite,
|
outstandingAckId_i=>outstandingAckIdWrite,
|
outboundAckId_i=>outboundAckIdWrite,
|
outboundAckId_i=>outboundAckIdWrite,
|
inboundAckId_o=>inboundAckIdRead,
|
inboundAckId_o=>inboundAckIdRead,
|
outstandingAckId_o=>outstandingAckIdRead,
|
outstandingAckId_o=>outstandingAckIdRead,
|
outboundAckId_o=>outboundAckIdRead,
|
outboundAckId_o=>outboundAckIdRead,
|
readFrameEmpty_i=>readFrameEmpty, readFrame_o=>readFrame, readFrameRestart_o=>readFrameRestart,
|
readFrameEmpty_i=>readFrameEmpty,
|
|
readFrame_o=>readFrame,
|
|
readFrameRestart_o=>readFrameRestart,
|
readFrameAborted_i=>readFrameAborted,
|
readFrameAborted_i=>readFrameAborted,
|
readWindowEmpty_i=>readWindowEmpty,
|
readWindowEmpty_i=>readWindowEmpty,
|
readWindowReset_o=>readWindowReset, readWindowNext_o=>readWindowNext,
|
readWindowReset_o=>readWindowReset,
|
|
readWindowNext_o=>readWindowNext,
|
readContentEmpty_i=>readContentEmpty,
|
readContentEmpty_i=>readContentEmpty,
|
readContent_o=>readContent, readContentEnd_i=>readContentEnd, readContentData_i=>readContentData,
|
readContent_o=>readContent,
|
writeFrameFull_i=>writeFrameFull, writeFrame_o=>writeFrame, writeFrameAbort_o=>writeFrameAbort,
|
readContentEnd_i=>readContentEnd,
|
writeContent_o=>writeContent, writeContentData_o=>writeContentData,
|
readContentData_i=>readContentData,
|
|
writeFrameFull_i=>writeFrameFull,
|
|
writeFrame_o=>writeFrame,
|
|
writeFrameAbort_o=>writeFrameAbort,
|
|
writeContent_o=>writeContent,
|
|
writeContentData_o=>writeContentData,
|
portInitialized_i=>portInitialized,
|
portInitialized_i=>portInitialized,
|
outboundSymbolFull_i=>outboundSymbolFull,
|
outboundSymbolFull_i=>outboundSymbolFull,
|
outboundSymbolWrite_o=>outboundSymbolWrite,
|
outboundSymbolWrite_o=>outboundSymbolWrite,
|
|
outboundSymbolType_o=>outboundSymbolType,
|
outboundSymbol_o=>outboundSymbol,
|
outboundSymbol_o=>outboundSymbol,
|
inboundSymbolEmpty_i=>inboundSymbolEmpty,
|
inboundSymbolEmpty_i=>inboundSymbolEmpty,
|
inboundSymbolRead_o=>inboundSymbolRead,
|
inboundSymbolRead_o=>inboundSymbolRead,
|
|
inboundSymbolType_i=>inboundSymbolType,
|
inboundSymbol_i=>inboundSymbol);
|
inboundSymbol_i=>inboundSymbol);
|
|
|
end architecture;
|
end architecture;
|
|
|
|
|
| Line 2337... |
Line 2378... |
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
--
|
--
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
entity TestSwitchPort is
|
entity TestSwitchPort is
|
generic(
|
generic(
|
NUMBER_WORDS : natural range 1 to 8 := 1);
|
NUMBER_WORDS : natural range 1 to 4 := 1);
|
port(
|
port(
|
clk : in std_logic;
|
clk : in std_logic;
|
areset_n : in std_logic;
|
areset_n : in std_logic;
|
|
|
frameValid_i : in std_logic_vector(0 to 63);
|
frameValid_i : in std_logic_vector(0 to 63);
|
| Line 2362... |
Line 2403... |
readWindowNext_i : in std_logic;
|
readWindowNext_i : in std_logic;
|
|
|
readContentEmpty_o : out std_logic;
|
readContentEmpty_o : out std_logic;
|
readContent_i : in std_logic;
|
readContent_i : in std_logic;
|
readContentEnd_o : out std_logic;
|
readContentEnd_o : out std_logic;
|
readContentData_o : out std_logic_vector(31 downto 0);
|
readContentData_o : out std_logic_vector(2+(32*NUMBER_WORDS-1) downto 0);
|
|
|
writeFrameFull_o : out std_logic;
|
writeFrameFull_o : out std_logic;
|
writeFrame_i : in std_logic;
|
writeFrame_i : in std_logic;
|
writeFrameAbort_i : in std_logic;
|
writeFrameAbort_i : in std_logic;
|
writeContent_i : in std_logic;
|
writeContent_i : in std_logic;
|
writeContentData_i : in std_logic_vector(31 downto 0));
|
writeContentData_i : in std_logic_vector(2+(32*NUMBER_WORDS-1) downto 0));
|
end entity;
|
end entity;
|
|
|
|
|
-------------------------------------------------------------------------------
|
-------------------------------------------------------------------------------
|
--
|
--
|
| Line 2385... |
Line 2426... |
-----------------------------------------------------------------------------
|
-----------------------------------------------------------------------------
|
FrameSender: process
|
FrameSender: process
|
variable frameComplete : std_logic_vector(0 to 63);
|
variable frameComplete : std_logic_vector(0 to 63);
|
variable frameIndex : natural range 0 to 70;
|
variable frameIndex : natural range 0 to 70;
|
variable backIndex, frontIndex : natural range 0 to 63;
|
variable backIndex, frontIndex : natural range 0 to 63;
|
|
variable remaining : natural;
|
begin
|
begin
|
readFrameEmpty_o <= '1';
|
readFrameEmpty_o <= '1';
|
readFrameAborted_o <= '0';
|
readFrameAborted_o <= '0';
|
readWindowEmpty_o <= '1';
|
readWindowEmpty_o <= '1';
|
readContentEmpty_o <= '1';
|
readContentEmpty_o <= '1';
|
| Line 2454... |
Line 2496... |
readContentData_o <= (others=>'U');
|
readContentData_o <= (others=>'U');
|
end if;
|
end if;
|
|
|
if (readContent_i = '1') then
|
if (readContent_i = '1') then
|
assert frameValid_i(frontIndex) = '1' report "Unexpected content read." severity error;
|
assert frameValid_i(frontIndex) = '1' report "Unexpected content read." severity error;
|
readContentData_o <= frameWrite_i(frontIndex).payload(frameIndex);
|
remaining := frameWrite_i(frontIndex).length - frameIndex;
|
|
if (remaining > NUMBER_WORDS) then
|
|
readContentData_o(2+(32*NUMBER_WORDS-1) downto 2+(32*NUMBER_WORDS-1)-1) <= std_logic_vector(to_unsigned(NUMBER_WORDS, 2));
|
|
remaining := NUMBER_WORDS;
|
|
else
|
|
readContentData_o(2+(32*NUMBER_WORDS-1) downto 2+(32*NUMBER_WORDS-1)-1) <= std_logic_vector(to_unsigned(remaining, 2));
|
|
end if;
|
|
|
|
for i in 0 to remaining-1 loop
|
|
readContentData_o((NUMBER_WORDS*32-1)-32*i downto (NUMBER_WORDS-1)*32-32*i) <= frameWrite_i(frontIndex).payload(frameIndex);
|
frameIndex := frameIndex + 1;
|
frameIndex := frameIndex + 1;
|
|
end loop;
|
|
|
if (frameIndex /= frameWrite_i(frontIndex).length) then
|
if (frameIndex /= frameWrite_i(frontIndex).length) then
|
readContentEnd_o <= '0';
|
readContentEnd_o <= '0';
|
else
|
else
|
readContentEnd_o <= '1';
|
readContentEnd_o <= '1';
|
end if;
|
end if;
|
| Line 2481... |
Line 2534... |
-----------------------------------------------------------------------------
|
-----------------------------------------------------------------------------
|
FrameReader: process
|
FrameReader: process
|
type StateType is (STATE_IDLE, STATE_READ, STATE_UPDATE);
|
type StateType is (STATE_IDLE, STATE_READ, STATE_UPDATE);
|
variable state : StateType;
|
variable state : StateType;
|
variable frameIndex : natural range 0 to 69;
|
variable frameIndex : natural range 0 to 69;
|
|
variable words : natural range 0 to 4;
|
begin
|
begin
|
writeFrameFull_o <= '1';
|
writeFrameFull_o <= '1';
|
frameReceived_o <= '0';
|
frameReceived_o <= '0';
|
wait until areset_n = '1';
|
wait until areset_n = '1';
|
|
|
| Line 2514... |
Line 2568... |
end if;
|
end if;
|
if (writeFrameAbort_i = '1') then
|
if (writeFrameAbort_i = '1') then
|
frameIndex := 0;
|
frameIndex := 0;
|
end if;
|
end if;
|
if (writeContent_i = '1') then
|
if (writeContent_i = '1') then
|
assert writeContentData_i(32*NUMBER_WORDS-1 downto 0) = frameRead_i.payload(frameIndex)
|
words := to_integer(unsigned(writeContentData_i(2+(32*NUMBER_WORDS-1) downto 2+(32*NUMBER_WORDS-1)-1)));
|
|
for i in 0 to words loop
|
|
assert writeContentData_i((NUMBER_WORDS*32-1)-32*i downto (NUMBER_WORDS-1)*32-32*i) = frameRead_i.payload(frameIndex)
|
report "Unexpected frame content received." severity error;
|
report "Unexpected frame content received." severity error;
|
frameIndex := frameIndex + 1;
|
frameIndex := frameIndex + 1;
|
|
end loop;
|
end if;
|
end if;
|
if (frameExpected_i = '0') then
|
if (frameExpected_i = '0') then
|
state := STATE_IDLE;
|
state := STATE_IDLE;
|
end if;
|
end if;
|
|
|
