1 files changed, 146 insertions, 0 deletions
diff --git a/eth/bench/verilog/error.scr b/eth/bench/verilog/error.scr
new file mode 100644
index 000000000..af42634a8
--- /dev/null
+++ b/eth/bench/verilog/error.scr
@@ -0,0 +1,146 @@
+// This tests sends 5 packets, injecting a bit error in two of them
+// to verify the Rx CRC check works. The corresponding RMON statistics
+// counter is finally checked to verify that the error was registered
+
+// Read from register 24 to confirm that Rx CRC check is enabled
+03 00 18 00 01 ff ff
+
+// Set speed to 1000 Mbps
+01 00 22 00 04
+
+// Setup Tx and Rx MAC addresses and type field to "IP"
+// Set Tx Data at offset 0, length 14 to 123456789ABC CBA987654321 0800
+10 00 00 00 0E 12 34 56 78 9A BC CB A9 87 65 43 21 08 00
+
+//--- Packets #0 & 1 --------------------------------------------------------
+
+// Transmit a 200-byte frame 1 time - and expect it to be received again!
+20 00 C8 00 01
+
+// Wait (indefinitely) for missing Rx packets
+22 00 00 
+
+// Transmit a 200-byte frame 1 time - but expect to receive it with error!
+25 00 C8 00 01
+
+// Inject a single bit error in the packet (data bit 0) - this will cause a CRC error
+23 00 01
+
+// Wait (indefinitely) for missing Rx packets
+22 00 00 
+
+//--- Packets #2 & 3 --------------------------------------------------------
+
+// Transmit a 200-byte frame 1 time - and expect it to be received again!
+20 00 C8 00 01
+
+// Wait (indefinitely) for missing Rx packets
+22 00 00 
+
+// Transmit a 200-byte frame 1 time - but expect to receive it with error!
+25 00 C8 00 01
+
+// Inject a single bit error in the packet (data bit 7) - this will cause a CRC error
+23 00 80
+
+// Wait (indefinitely) for missing Rx packets
+22 00 00 
+
+//--- Packets #4 & 5 --------------------------------------------------------
+
+// Transmit a 200-byte frame 1 time - and expect it to be received again!
+20 00 C8 00 01
+
+// Wait (indefinitely) for missing Rx packets
+22 00 00 
+
+// Transmit a 200-byte frame 1 time - but don't expect it to be received again!
+21 00 C8 00 01
+
+// Inject a single bit error in the packet (RxEn) - this will cause a packet discard!
+// (because it happens early in the packet)
+23 01 00
+
+// Wait (indefinitely) for missing Rx packets
+22 00 00 
+
+//--- Packets #6 & 7 --------------------------------------------------------
+
+// Transmit a 200-byte frame 1 time - and expect it to be received again!
+20 00 C8 00 01
+
+// Wait (indefinitely) for missing Rx packets
+22 00 00 
+
+// Transmit a 200-byte frame 1 time - but don't expect it to be received again!
+21 00 C8 00 01
+
+// Inject a single bit error in the packet (RxEr)
+23 02 00
+
+// Wait (indefinitely) for missing Rx packets
+22 00 00 
+
+//--- Packet #8 -------------------------------------------------------------
+
+// Transmit a 200-byte frame 1 time - and expect it to be received again!
+20 00 C8 00 01
+
+// Wait (indefinitely) for missing Rx packets
+22 00 00 
+
+//---------------------------------------------------------------------------
+
+// Set CPU_rd_addr to address RxCRCErrCounter
+01 00 1C 00 05
+
+// Assert CPU_rd_apply
+01 00 1D 00 01
+
+// Kill a little time while waiting for CPU_rd_grant to assert...
+02 00 1E
+02 00 1E
+02 00 1E
+02 00 1E
+
+// Confirm that CPU_rd_grant is asserted
+03 00 1E 00 01 ff ff
+
+// Read & check low part of RxCRCErrCounter (0x0002)
+03 00 1F 00 02 ff ff
+
+// Read & check high part of RxCRCErrCounter (0x0000)
+03 00 20 00 00 ff ff
+
+// Negate CPU_rd_apply
+01 00 1D 00 00
+
+//---------------------------------------------------------------------------
+
+// Set CPU_rd_addr to address RxTooShortTooLongCounter
+01 00 1C 00 07
+
+// Assert CPU_rd_apply
+01 00 1D 00 01
+
+// Kill a little time while waiting for CPU_rd_grant to assert...
+02 00 1E
+02 00 1E
+02 00 1E
+02 00 1E
+
+// Confirm that CPU_rd_grant is asserted
+03 00 1E 00 01 ff ff
+
+// Read & check low part of RxTooShortTooLongCounter (0x0002)
+03 00 1F 00 02 ff ff
+
+// Read & check high part of RxTooShortTooLongCounter (0x0000)
+03 00 20 00 00 ff ff
+
+// Negate CPU_rd_apply
+01 00 1D 00 00
+
+
+// Halt
+FF