From 1714a1e6da8a619717480a8c738c763f890d110e Mon Sep 17 00:00:00 2001 From: Byron Lathi Date: Tue, 21 Nov 2023 18:47:16 -0800 Subject: [PATCH] add uart interrupt --- hw/efinix_fpga/init_hex.mem | 462 +++++++++---------- hw/efinix_fpga/simulation/Makefile | 2 +- hw/efinix_fpga/simulation/tbs/uart_irq_tb.sv | 15 + hw/efinix_fpga/src/super6502.sv | 42 +- hw/efinix_fpga/src/uart_wrapper.sv | 5 +- 5 files changed, 272 insertions(+), 254 deletions(-) create mode 100644 hw/efinix_fpga/simulation/tbs/uart_irq_tb.sv diff --git a/hw/efinix_fpga/init_hex.mem b/hw/efinix_fpga/init_hex.mem index 6e2da2b..7ef0d38 100644 --- a/hw/efinix_fpga/init_hex.mem +++ b/hw/efinix_fpga/init_hex.mem @@ -1,238 +1,238 @@ @00000000 00 80 4C 00 00 8D 13 92 8E 14 92 8D 1A 92 8E 1B 92 88 B9 FF FF 8D 24 92 88 B9 FF FF 8D 23 92 8C -26 92 20 FF FF A0 FF D0 E8 60 00 00 43 FD 00 00 -00 00 A2 FF 9A D8 A9 00 85 04 A9 DF 85 05 20 BB -FD 20 30 FA 20 52 F0 58 20 69 F2 6C FC FF 20 24 +26 92 20 FF FF A0 FF D0 E8 60 00 00 1F FD 00 00 +00 00 A2 FF 9A D8 A9 00 85 04 A9 DF 85 05 20 97 +FD 20 0C FA 20 52 F0 58 20 45 F2 6C FC FF 20 00 FA 00 A0 00 F0 07 A9 52 A2 F0 4C 05 92 60 AD FF -EF A2 00 60 8D FF EF 60 20 4F F2 C9 0A D0 05 A9 -0D 20 4F F2 60 DA 5A A8 B2 04 AA A9 1B 20 4F F2 -A9 5B 20 4F F2 98 20 4F F2 A9 3B 20 4F F2 8A 20 -4F F2 A9 48 20 4F F2 7A FA 60 DA A9 1B 20 4F F2 -A9 63 20 4F F2 68 60 40 DA BA 48 E8 E8 BD 00 01 -29 10 D0 06 68 FA 20 68 F2 40 68 FA 7C BF F0 C5 -F0 C9 F0 CA F0 20 9A F0 40 40 20 68 F0 40 48 A0 -04 B1 04 09 40 20 3F F2 88 B1 04 20 3F F2 88 10 -F8 68 09 01 20 3F F2 20 20 FB 60 A2 08 A9 FF 20 -3F F2 C9 FF D0 03 CA D0 F4 60 85 0C 86 0D 20 EB -F0 92 0C A9 FF 20 3F F2 A0 01 91 0C 20 0D FB 60 -AA 20 97 FC A9 FF 20 3F F2 92 0C E6 0C D0 02 E6 -0D CA D0 F0 60 85 0C 86 0D 20 EB F0 C9 02 B0 12 -E6 0C D0 02 E6 0C A5 0C A6 0D 20 C4 FC A9 04 20 -10 F1 60 48 A9 FF 20 3F F2 A9 00 20 33 F2 A9 FF -20 3F F2 68 20 CE F0 20 EB F0 A8 A9 FF 20 3F F2 -A9 00 20 39 F2 A9 FF 20 3F F2 98 A2 00 60 A9 00 -20 39 F2 20 8B F1 A9 FF 20 3F F2 A9 00 20 39 F2 -A2 50 A9 FF 20 3F F2 CA D0 F8 60 A2 01 A9 C8 3A -D0 FD CA D0 F8 60 85 0E 86 0F A9 FF 92 0E 20 97 -FC A5 04 85 10 A5 05 85 11 20 C8 FA A0 00 B1 10 -91 04 C8 B1 10 91 04 C8 B1 10 91 04 C8 B1 10 91 -04 A9 FF 20 3F F2 A9 00 20 33 F2 A9 FF 20 3F F2 -A9 11 A0 04 91 04 A9 00 20 CE F0 20 EB F0 C9 FF -F0 3F 85 16 A0 00 A9 FF 20 3F F2 85 15 A5 15 C9 -FF D0 05 C8 D0 F0 80 23 A2 02 A0 00 A9 FF 20 3F -F2 92 0C E6 0C D0 02 E6 0D 88 D0 F0 A0 00 CA D0 -EB A9 FF 20 3F F2 A9 FF 20 3F F2 A5 15 92 0E A5 -16 48 A9 FF 20 3F F2 A9 00 20 39 F2 A9 FF 20 3F -F2 68 60 A9 01 8D DB EF 60 9C DB EF 60 A9 00 8D -DA EF AD DB EF 30 FB AD D9 EF 60 8D E6 EF 60 48 -8D E6 EF AD E7 EF 89 02 D0 F9 68 60 AD E6 EF A2 -00 60 AD E7 EF A2 00 60 60 20 EB FA A2 00 86 06 -86 07 A9 00 20 82 FB 20 D1 FA A9 FD A2 FD 20 91 -FA 20 31 F3 C9 00 20 2F FC D0 03 4C 98 F2 A9 F6 -A2 FD 20 91 FA 4C 25 F3 A9 ED A2 FD 20 91 FA A0 -05 20 3E FB 20 82 FB AD 00 92 AE 01 92 20 C4 FC -A9 0C 20 4F FB 20 96 F1 A0 07 91 04 A0 07 A2 00 -B1 04 C9 00 20 35 FC D0 03 4C DC F2 A0 06 A2 00 -B1 04 C9 FE 20 35 FC F0 03 4C E5 F2 A2 00 A9 00 -D0 03 4C E9 F2 A2 00 A9 01 D0 03 4C F1 F2 4C 22 -F3 A0 06 A2 00 B1 04 A2 00 29 F0 20 16 FA D0 03 -4C 0D F3 A9 F6 A2 FD 20 91 FA 4C 22 F3 A9 DE A2 -FD 20 C4 FC A0 08 A2 00 B1 04 20 C4 FC A0 04 20 -5D FA 6C 00 92 4C 28 F3 4C 28 F3 A0 0C 20 FC F9 -60 20 F8 FA A9 00 20 AE FC 20 6E F1 4C 68 F3 A0 -00 A2 00 18 A9 01 71 04 91 04 A0 00 A2 00 B1 04 -C9 FF 20 35 FC D0 03 4C 68 F3 A9 1C A2 FE 20 91 -FA A2 00 A9 01 4C 1E F4 20 22 F4 A0 01 91 04 C9 -01 20 2F FC D0 C9 A9 01 20 4F FB 20 3F F4 A0 01 -A2 00 B1 04 C9 01 20 2F FC D0 03 4C 9C F3 A9 13 -A2 FE 20 91 FA A2 00 A9 01 4C 1E F4 A0 05 A2 00 -B1 04 C9 AA 20 2F FC D0 03 4C B3 F3 A2 00 A9 01 -4C 1E F4 A2 00 A9 00 A0 00 91 04 A0 00 A2 00 B1 -04 C9 FF 20 35 FC D0 03 4C D9 F3 A9 04 A2 FE 20 -91 FA A2 00 A9 01 4C 1E F4 20 61 F5 A0 01 91 04 -A0 01 A2 00 B1 04 C9 02 20 4E FC D0 03 4C F7 F3 -20 7E F5 A0 01 91 04 A0 00 A2 00 18 A9 01 71 04 -91 04 A0 01 A2 00 B1 04 C9 00 20 2F FC D0 AC A9 -01 20 4F FB 20 E7 F4 A2 00 A9 00 4C 1E F4 20 25 -FB 60 A2 00 A9 00 20 AE FC A2 00 86 06 86 07 A9 -00 20 82 FB A2 00 A9 94 20 43 F1 4C 3E F4 60 20 -C4 FC A2 00 A9 FF 20 3F F2 A2 00 A9 00 20 33 F2 -A2 00 A9 FF 20 3F F2 A2 00 A9 08 20 AE FC A2 01 -A9 00 85 06 A9 00 85 07 A9 AA 20 82 FB A2 00 A9 -86 20 CE F0 A0 01 20 35 FB 20 25 F1 A2 00 A9 FF -20 3F F2 A2 00 A9 00 20 39 F2 A2 00 A9 FF 20 3F -F2 20 0D FB 60 20 C4 FC A2 00 A9 FF 20 3F F2 A2 -00 A9 00 20 33 F2 A2 00 A9 FF 20 3F F2 A2 00 A9 -0D 20 AE FC A2 00 86 06 86 07 A9 00 20 82 FB A2 -00 A9 00 20 CE F0 A0 01 20 35 FB 20 FA F0 A2 00 -A9 FF 20 3F F2 A2 00 A9 00 20 39 F2 A2 00 A9 FF -20 3F F2 20 0D FB 60 20 C4 FC 20 C8 FA A2 00 A9 -FF 20 3F F2 A2 00 A9 00 20 33 F2 A2 00 A9 FF 20 -3F F2 A0 00 91 04 A0 00 A2 00 B1 04 C9 FF 20 2F -FC D0 03 4C 27 F5 4C 19 F5 A2 00 A9 FF 20 3F F2 -C9 FF 20 2F FC D0 F2 A2 00 A9 3A 20 AE FC A2 00 -86 06 86 07 A9 00 20 82 FB A2 00 A9 00 20 CE F0 -A0 02 20 35 FB 20 25 F1 A2 00 A9 FF 20 3F F2 A2 -00 A9 00 20 39 F2 A2 00 A9 FF 20 3F F2 20 1B FB -60 A2 00 A9 37 20 AE FC A2 00 86 06 86 07 A9 00 -20 82 FB A2 00 A9 00 20 43 F1 4C 7D F5 60 A2 00 -A9 29 20 AE FC A2 00 86 06 A9 40 85 07 A9 00 20 -82 FB A2 00 A9 00 20 43 F1 4C 9C F5 60 20 C4 FC -20 EB FA A0 03 A2 00 B1 04 4C AC F5 A0 0E 20 FC -F9 60 20 C4 FC A9 00 20 AE FC 20 D1 FA A2 00 A9 -00 A0 00 20 DC FC A0 01 20 35 FB E0 02 20 4E FC -F0 03 4C D8 F5 4C 3A F6 A9 25 A2 FE 20 C4 FC A0 -06 20 35 FB A0 00 20 2A FB 20 C4 FC A0 07 A2 00 -A9 01 20 EC F9 A0 04 20 5D FA A0 02 A2 00 B1 04 -C9 1F 20 35 FC D0 03 4C 1C F6 A9 29 A2 FE 20 91 -FA A2 00 A9 00 A0 02 91 04 4C 2E F6 A2 00 A9 20 -20 68 F0 A0 02 A2 00 18 A9 01 71 04 91 04 A0 00 -A2 00 A9 01 20 EC F9 4C C6 F5 A9 29 A2 FE 20 91 -FA 20 20 FB 60 A0 00 B1 1A E6 1A D0 02 E6 1B 60 -AD 4A 92 8D 45 92 20 F1 F6 A9 45 A2 92 20 C4 FC -20 A5 FC 4C 02 92 A5 18 38 E9 02 85 18 B0 02 C6 -19 60 AD 4F 92 D0 11 20 8F F6 4C 0F FA AD 4F 92 -D0 06 20 8F F6 4C 09 FA 20 8F F6 85 06 86 07 20 -66 F6 A0 01 B1 18 AA 88 B1 18 60 A0 00 84 0C 84 -0D B1 1A 38 E9 30 90 2C C9 0A B0 28 20 49 F6 48 -A5 0C A6 0D 06 0C 26 0D 06 0C 26 0D 65 0C 85 0C -8A 65 0D 85 0D 06 0C 26 0D 68 65 0C 85 0C 90 D1 -E6 0D B0 CD A5 0C A6 0D 60 AC 51 92 EE 51 92 99 -52 92 60 A9 52 A2 92 18 6D 51 92 90 01 E8 4C C4 -FC A5 1C A6 1D 4C C4 FC 20 50 F6 EE 4B 92 D0 F8 -EE 4C 92 D0 F3 60 20 F1 F6 AD 66 92 AE 67 92 20 -C4 FC AD 68 92 AE 69 92 20 C4 FC 4C 02 92 84 0C -20 82 FB 20 E3 F6 A5 0C 4C B2 FB 84 0C 20 82 FB -20 E3 F6 A5 0C 4C F3 FB 48 A0 05 B9 18 00 99 3F -92 88 10 F7 68 85 18 86 19 20 05 FB 85 1A 86 1B -20 05 FB 85 1C 86 1D A9 00 A8 91 1C C8 91 1C C8 -B1 1C 8D 03 92 C8 B1 1C 8D 04 92 A5 1A 85 0C A5 -1B 85 0D A0 00 B1 1A F0 0B C9 25 F0 07 C8 D0 F5 -E6 1B D0 F1 98 18 65 1A 85 1A 90 02 E6 1B 38 E5 -0C 85 0E A5 1B E5 0D 85 0F 05 0E F0 25 20 EB FA -A0 05 A5 1D 91 04 88 A5 1C 91 04 88 A5 0D 91 04 -88 A5 0C 91 04 88 A5 0F 91 04 88 A5 0E 91 04 20 -02 92 20 45 F6 AA D0 0B A2 05 BD 3F 92 95 18 CA -10 F8 60 C9 25 D0 09 B1 1A C9 25 D0 09 20 49 F6 -20 53 F6 4C 6B F7 A9 00 A2 0B 9D 46 92 CA 10 FA -B1 1A C9 2D D0 05 8E 46 92 F0 19 C9 2B D0 05 8E -47 92 F0 10 C9 20 D0 05 8E 48 92 F0 07 C9 23 D0 -09 8E 49 92 20 49 F6 4C F0 F7 A2 20 C9 30 D0 06 -AA 20 49 F6 B1 1A 8E 4A 92 C9 2A D0 09 20 49 F6 -20 8F F6 4C 39 F8 20 9B F6 8D 4B 92 8E 4C 92 8C -4D 92 8C 4E 92 B1 1A C9 2E D0 1B 20 49 F6 B1 1A -C9 2A D0 09 20 49 F6 20 8F F6 4C 60 F8 20 9B F6 -8D 4D 92 8E 4E 92 B1 1A C9 7A F0 19 C9 68 F0 15 -C9 74 F0 11 C9 6A F0 08 C9 4C F0 04 C9 6C D0 0B -A9 FF 8D 4F 92 20 49 F6 4C 66 F8 8C 51 92 A2 52 -8E 66 92 A2 92 8E 67 92 20 49 F6 C9 63 D0 0E 20 -8F F6 8D 52 92 A9 00 8D 53 92 4C 8A F9 C9 64 F0 -04 C9 69 D0 2D A2 00 AD 48 92 F0 02 A2 20 AD 47 -92 F0 02 A2 2B 8E 50 92 20 7D F6 A4 07 30 0B AC -50 92 F0 06 8C 52 92 EE 51 92 A0 0A 20 1E F7 4C -8A F9 C9 6E D0 15 20 8F F6 85 0C 86 0D A0 00 B1 -1C 91 0C C8 B1 1C 91 0C 4C 6B F7 C9 6F D0 27 20 -7D F6 AC 49 92 F0 17 48 86 14 05 14 05 06 05 07 -0D 4D 92 0D 4E 92 F0 06 A9 30 20 D9 F6 68 A0 08 -20 1E F7 4C 8A F9 C9 70 D0 0D A2 00 8E 4F 92 E8 -8E 49 92 A9 78 D0 27 C9 73 D0 0C 20 8F F6 8D 66 -92 8E 67 92 4C 8A F9 C9 75 D0 0B 20 72 F6 A0 0A -20 2B F7 4C 8A F9 C9 78 F0 04 C9 58 D0 29 48 AD -49 92 F0 0A A9 30 20 D9 F6 A9 58 20 D9 F6 20 72 -F6 A0 10 20 2B F7 68 C9 78 D0 09 AD 66 92 AE 67 -92 20 1C FD 4C 8A F9 4C 6B F7 AD 66 92 AE 67 92 -20 06 FD 8D 68 92 8E 69 92 AD 4D 92 0D 4E 92 F0 -15 AE 4D 92 EC 68 92 AD 4E 92 A8 ED 69 92 B0 06 -8E 68 92 8C 69 92 38 AD 4B 92 ED 68 92 AA AD 4C -92 ED 69 92 B0 03 A9 00 AA 49 FF 8D 4C 92 8A 49 -FF 8D 4B 92 AD 46 92 D0 03 20 FB F6 20 06 F7 AD -46 92 F0 03 20 FB F6 4C 6B F7 A0 00 18 71 04 91 -04 48 C8 8A 71 04 91 04 AA 68 60 C8 48 18 98 65 -04 85 04 90 02 E6 05 68 60 A0 FF E0 80 B0 02 A0 -00 84 06 84 07 60 E0 00 D0 06 AA D0 03 A9 01 60 -A2 00 8A 60 A0 00 F0 07 A9 52 A2 F0 4C 05 92 60 -A9 00 85 0C A9 F0 85 0D A9 00 85 0E A9 92 85 0F -A2 CD A9 FF 85 14 A0 00 E8 F0 0D B1 0C 91 0E C8 -D0 F6 E6 0D E6 0F D0 F0 E6 14 D0 EF 60 8C 6A 92 -88 88 98 18 65 04 85 0C A6 05 90 01 E8 86 0D A0 -01 B1 0C AA 88 B1 0C 20 C4 FC A5 0C A6 0D 20 8B -FD AC 6A 92 4C FC F9 85 0C 86 0D 20 75 F0 4C 95 -FA 85 0C 86 0D A0 00 B1 0C F0 0E C8 84 14 20 68 -F0 A4 14 D0 F2 E6 0D D0 EE 60 E0 00 D0 15 4A AA -BD 52 FE 90 05 4A 4A 4A 4A 18 29 0F AA BD 47 FE -A2 00 60 38 A9 00 AA 60 A4 04 D0 02 C6 05 C6 04 -60 A5 04 38 E9 02 85 04 90 01 60 C6 05 60 A5 04 -38 E9 04 85 04 90 01 60 C6 05 60 A5 04 38 E9 06 -85 04 90 01 60 C6 05 60 A5 04 38 E9 07 85 04 90 -01 60 C6 05 60 A0 01 B1 04 AA 88 B1 04 E6 04 F0 -05 E6 04 F0 03 60 E6 04 E6 05 60 A0 03 4C FC F9 -A0 05 4C FC F9 A0 08 4C FC F9 85 0C 86 0D A2 00 -B1 0C 60 A0 01 B1 04 AA 88 B1 04 60 A0 03 B1 04 -85 07 88 B1 04 85 06 88 B1 04 AA 88 B1 04 60 A2 -00 18 65 04 48 8A 65 05 AA 68 60 18 49 FF 69 01 -48 8A 49 FF 69 00 AA A5 06 49 FF 69 00 85 06 A5 -07 49 FF 69 00 85 07 68 60 A9 00 AA A0 00 84 06 -84 07 48 20 DE FA A0 03 A5 07 91 04 88 A5 06 91 -04 88 8A 91 04 68 88 91 04 60 85 14 20 05 FB 85 -0E 86 0F 85 10 86 11 20 97 FC 20 05 FB 85 06 86 -07 60 20 9A FB A6 07 A4 14 C0 0A D0 39 A5 06 05 -0D 05 0C D0 11 E0 80 D0 0D A0 0B B9 3B FE 91 0E -88 10 F8 4C 2A FC 8A 10 1D A9 2D A0 00 91 0E E6 -0E D0 02 E6 0F A5 0C A6 0D 20 5B FB 85 0C 86 0D -4C F6 FB 20 9A FB A9 00 48 A0 20 A9 00 06 0C 26 -0D 26 06 26 07 2A C5 14 90 04 E5 14 E6 0C 88 D0 -EC A8 B9 2B FE 48 A5 0C 05 0D 05 06 05 07 D0 D9 -A0 00 68 91 0E F0 03 C8 D0 F8 A5 10 A6 11 60 D0 -06 A2 00 8A 60 D0 FA A2 00 A9 01 60 F0 F9 30 F7 -A2 00 8A 60 F0 02 10 EF A2 00 8A 60 F0 E9 90 E7 -A2 00 8A 60 F0 DB A2 00 8A 2A 60 20 84 FC A6 11 -F0 13 B1 0C 91 0E C8 B1 0C 91 0E C8 D0 F4 E6 0D -E6 0F CA D0 ED A6 10 F0 08 B1 0C 91 0E C8 CA D0 -F8 4C 05 FB 85 10 86 11 20 97 FC C8 B1 04 AA 86 -0F 88 B1 04 85 0E 60 A0 01 B1 04 85 0D 88 B1 04 -85 0C 4C 0D FB A9 01 4C C2 FC A0 00 B1 04 A4 04 -F0 07 C6 04 A0 00 91 04 60 C6 05 C6 04 91 04 60 -A9 00 A2 00 48 A5 04 38 E9 02 85 04 B0 02 C6 05 -A0 01 8A 91 04 68 88 91 04 60 A0 00 91 04 C8 48 -8A 91 04 68 60 85 0E 86 0F 20 97 FC B1 0C D1 0E -D0 0C AA F0 10 C8 D0 F4 E6 0D E6 0F D0 EE B0 03 -A2 FF 60 A2 01 60 85 0E 86 0F A2 00 A0 00 B1 0E -F0 08 C8 D0 F9 E6 0F E8 D0 F4 98 60 85 0C 86 0D -85 0E 86 0F A0 00 B1 0C F0 14 20 AE FA 29 02 F0 -06 B1 0C 69 20 91 0C C8 D0 EC E6 0D D0 E8 A5 0E -A6 0F 60 20 05 FB 85 0E 86 0F E8 8E 31 92 AA E8 -8E 30 92 20 97 FC 20 05 FB 85 10 86 11 A0 00 84 -14 B1 10 18 65 0E 91 10 C8 B1 10 65 0F 91 10 CE -30 92 F0 11 A4 14 B1 0C C8 D0 02 E6 0D 84 14 20 -68 F0 4C 6F FD CE 31 92 D0 EA 60 85 0C 86 0D A9 -00 8D 2A 92 8D 2B 92 A0 01 B1 04 AA 88 B1 04 20 -C4 FC A0 02 A9 2A 91 04 C8 A9 92 91 04 A5 0C A6 -0D 20 38 F7 AD 2A 92 AE 2B 92 60 A9 32 85 0C A9 -92 85 0D A9 00 A8 A2 00 F0 0A 91 0C C8 D0 FB E6 -0D CA D0 F6 C0 39 F0 05 91 0C C8 D0 F7 60 62 61 -64 20 74 6F 6B 65 6E 3A 20 25 78 0A 00 53 75 63 -63 65 73 73 0A 00 45 72 72 6F 72 0A 00 53 74 61 -72 74 0A 00 6F 70 5F 63 6F 6E 64 20 65 72 72 6F -72 0A 00 49 46 20 43 6F 6E 64 0A 00 47 6F 20 49 -44 4C 45 0A 00 25 32 78 00 0A 00 30 31 32 33 34 -35 36 37 38 39 41 42 43 44 45 46 2D 32 31 34 37 -34 38 33 36 34 38 00 00 01 02 0C 09 0A 10 40 50 -A0 D0 66 66 66 66 A6 88 88 66 66 66 66 66 66 66 -66 66 09 00 00 00 00 00 00 00 33 33 33 33 33 00 -00 00 50 55 55 25 22 22 22 22 22 22 22 22 22 02 -00 00 40 44 44 14 11 11 11 11 11 11 11 11 11 01 -00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +EF A2 00 60 8D FF EF 60 20 2C F2 C9 0A D0 05 A9 +0D 20 2C F2 60 DA 5A A8 B2 04 AA A9 1B 20 2C F2 +A9 5B 20 2C F2 98 20 2C F2 A9 3B 20 2C F2 8A 20 +2C F2 A9 48 20 2C F2 7A FA 60 DA A9 1B 20 2C F2 +A9 63 20 2C F2 68 60 40 6C 20 02 48 A0 04 B1 04 +09 40 20 1C F2 88 B1 04 20 1C F2 88 10 F8 68 09 +01 20 1C F2 20 FC FA 60 A2 08 A9 FF 20 1C F2 C9 +FF D0 03 CA D0 F4 60 85 0C 86 0D 20 C8 F0 92 0C +A9 FF 20 1C F2 A0 01 91 0C 20 E9 FA 60 AA 20 73 +FC A9 FF 20 1C F2 92 0C E6 0C D0 02 E6 0D CA D0 +F0 60 85 0C 86 0D 20 C8 F0 C9 02 B0 12 E6 0C D0 +02 E6 0C A5 0C A6 0D 20 A0 FC A9 04 20 ED F0 60 +48 A9 FF 20 1C F2 A9 00 20 10 F2 A9 FF 20 1C F2 +68 20 AB F0 20 C8 F0 A8 A9 FF 20 1C F2 A9 00 20 +16 F2 A9 FF 20 1C F2 98 A2 00 60 A9 00 20 16 F2 +20 68 F1 A9 FF 20 1C F2 A9 00 20 16 F2 A2 50 A9 +FF 20 1C F2 CA D0 F8 60 A2 01 A9 C8 3A D0 FD CA +D0 F8 60 85 0E 86 0F A9 FF 92 0E 20 73 FC A5 04 +85 10 A5 05 85 11 20 A4 FA A0 00 B1 10 91 04 C8 +B1 10 91 04 C8 B1 10 91 04 C8 B1 10 91 04 A9 FF +20 1C F2 A9 00 20 10 F2 A9 FF 20 1C F2 A9 11 A0 +04 91 04 A9 00 20 AB F0 20 C8 F0 C9 FF F0 3F 85 +16 A0 00 A9 FF 20 1C F2 85 15 A5 15 C9 FF D0 05 +C8 D0 F0 80 23 A2 02 A0 00 A9 FF 20 1C F2 92 0C +E6 0C D0 02 E6 0D 88 D0 F0 A0 00 CA D0 EB A9 FF +20 1C F2 A9 FF 20 1C F2 A5 15 92 0E A5 16 48 A9 +FF 20 1C F2 A9 00 20 16 F2 A9 FF 20 1C F2 68 60 +A9 01 8D DB EF 60 9C DB EF 60 A9 00 8D DA EF AD +DB EF 30 FB AD D9 EF 60 8D E6 EF 60 48 8D E6 EF +AD E7 EF 89 02 D0 F9 68 60 AD E6 EF A2 00 60 AD +E7 EF A2 00 60 20 C7 FA A2 00 86 06 86 07 A9 00 +20 5E FB 20 AD FA A9 D9 A2 FD 20 6D FA 20 0D F3 +C9 00 20 0B FC D0 03 4C 74 F2 A9 D2 A2 FD 20 6D +FA 4C 01 F3 A9 C9 A2 FD 20 6D FA A0 05 20 1A FB +20 5E FB 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D3 F3 20 5A F5 A0 +01 91 04 A0 00 A2 00 18 A9 01 71 04 91 04 A0 01 +A2 00 B1 04 C9 00 20 0B FC D0 AC A9 01 20 2B FB +20 C3 F4 A2 00 A9 00 4C FA F3 20 01 FB 60 A2 00 +A9 00 20 8A FC A2 00 86 06 86 07 A9 00 20 5E FB +A2 00 A9 94 20 20 F1 4C 1A F4 60 20 A0 FC A2 00 +A9 FF 20 1C F2 A2 00 A9 00 20 10 F2 A2 00 A9 FF +20 1C F2 A2 00 A9 08 20 8A FC A2 01 A9 00 85 06 +A9 00 85 07 A9 AA 20 5E FB A2 00 A9 86 20 AB F0 +A0 01 20 11 FB 20 02 F1 A2 00 A9 FF 20 1C F2 A2 +00 A9 00 20 16 F2 A2 00 A9 FF 20 1C F2 20 E9 FA +60 20 A0 FC A2 00 A9 FF 20 1C F2 A2 00 A9 00 20 +10 F2 A2 00 A9 FF 20 1C F2 A2 00 A9 0D 20 8A FC +A2 00 86 06 86 07 A9 00 20 5E FB A2 00 A9 00 20 +AB F0 A0 01 20 11 FB 20 D7 F0 A2 00 A9 FF 20 1C +F2 A2 00 A9 00 20 16 F2 A2 00 A9 FF 20 1C F2 20 +E9 FA 60 20 A0 FC 20 A4 FA A2 00 A9 FF 20 1C F2 +A2 00 A9 00 20 10 F2 A2 00 A9 FF 20 1C F2 A0 00 +91 04 A0 00 A2 00 B1 04 C9 FF 20 0B FC D0 03 4C +03 F5 4C F5 F4 A2 00 A9 FF 20 1C F2 C9 FF 20 0B +FC D0 F2 A2 00 A9 3A 20 8A FC A2 00 86 06 86 07 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92 20 21 +F6 AA D0 0B A2 05 BD 3F 92 95 18 CA 10 F8 60 C9 +25 D0 09 B1 1A C9 25 D0 09 20 25 F6 20 2F F6 4C +47 F7 A9 00 A2 0B 9D 46 92 CA 10 FA B1 1A C9 2D +D0 05 8E 46 92 F0 19 C9 2B D0 05 8E 47 92 F0 10 +C9 20 D0 05 8E 48 92 F0 07 C9 23 D0 09 8E 49 92 +20 25 F6 4C CC F7 A2 20 C9 30 D0 06 AA 20 25 F6 +B1 1A 8E 4A 92 C9 2A D0 09 20 25 F6 20 6B F6 4C +15 F8 20 77 F6 8D 4B 92 8E 4C 92 8C 4D 92 8C 4E +92 B1 1A C9 2E D0 1B 20 25 F6 B1 1A C9 2A D0 09 +20 25 F6 20 6B F6 4C 3C F8 20 77 F6 8D 4D 92 8E +4E 92 B1 1A C9 7A F0 19 C9 68 F0 15 C9 74 F0 11 +C9 6A F0 08 C9 4C F0 04 C9 6C D0 0B A9 FF 8D 4F +92 20 25 F6 4C 42 F8 8C 51 92 A2 52 8E 66 92 A2 +92 8E 67 92 20 25 F6 C9 63 D0 0E 20 6B F6 8D 52 +92 A9 00 8D 53 92 4C 66 F9 C9 64 F0 04 C9 69 D0 +2D A2 00 AD 48 92 F0 02 A2 20 AD 47 92 F0 02 A2 +2B 8E 50 92 20 59 F6 A4 07 30 0B AC 50 92 F0 06 +8C 52 92 EE 51 92 A0 0A 20 FA F6 4C 66 F9 C9 6E +D0 15 20 6B F6 85 0C 86 0D A0 00 B1 1C 91 0C C8 +B1 1C 91 0C 4C 47 F7 C9 6F D0 27 20 59 F6 AC 49 +92 F0 17 48 86 14 05 14 05 06 05 07 0D 4D 92 0D +4E 92 F0 06 A9 30 20 B5 F6 68 A0 08 20 FA F6 4C +66 F9 C9 70 D0 0D A2 00 8E 4F 92 E8 8E 49 92 A9 +78 D0 27 C9 73 D0 0C 20 6B F6 8D 66 92 8E 67 92 +4C 66 F9 C9 75 D0 0B 20 4E F6 A0 0A 20 07 F7 4C +66 F9 C9 78 F0 04 C9 58 D0 29 48 AD 49 92 F0 0A +A9 30 20 B5 F6 A9 58 20 B5 F6 20 4E F6 A0 10 20 +07 F7 68 C9 78 D0 09 AD 66 92 AE 67 92 20 F8 FC +4C 66 F9 4C 47 F7 AD 66 92 AE 67 92 20 E2 FC 8D +68 92 8E 69 92 AD 4D 92 0D 4E 92 F0 15 AE 4D 92 +EC 68 92 AD 4E 92 A8 ED 69 92 B0 06 8E 68 92 8C +69 92 38 AD 4B 92 ED 68 92 AA AD 4C 92 ED 69 92 +B0 03 A9 00 AA 49 FF 8D 4C 92 8A 49 FF 8D 4B 92 +AD 46 92 D0 03 20 D7 F6 20 E2 F6 AD 46 92 F0 03 +20 D7 F6 4C 47 F7 A0 00 18 71 04 91 04 48 C8 8A +71 04 91 04 AA 68 60 C8 48 18 98 65 04 85 04 90 +02 E6 05 68 60 A0 FF E0 80 B0 02 A0 00 84 06 84 +07 60 E0 00 D0 06 AA D0 03 A9 01 60 A2 00 8A 60 +A0 00 F0 07 A9 52 A2 F0 4C 05 92 60 A9 00 85 0C +A9 F0 85 0D A9 00 85 0E A9 92 85 0F A2 CD A9 FF +85 14 A0 00 E8 F0 0D B1 0C 91 0E C8 D0 F6 E6 0D +E6 0F D0 F0 E6 14 D0 EF 60 8C 6A 92 88 88 98 18 +65 04 85 0C A6 05 90 01 E8 86 0D A0 01 B1 0C AA +88 B1 0C 20 A0 FC A5 0C A6 0D 20 67 FD AC 6A 92 +4C D8 F9 85 0C 86 0D 20 75 F0 4C 71 FA 85 0C 86 +0D A0 00 B1 0C F0 0E C8 84 14 20 68 F0 A4 14 D0 +F2 E6 0D D0 EE 60 E0 00 D0 15 4A AA BD 2E FE 90 +05 4A 4A 4A 4A 18 29 0F AA BD 23 FE A2 00 60 38 +A9 00 AA 60 A4 04 D0 02 C6 05 C6 04 60 A5 04 38 +E9 02 85 04 90 01 60 C6 05 60 A5 04 38 E9 04 85 +04 90 01 60 C6 05 60 A5 04 38 E9 06 85 04 90 01 +60 C6 05 60 A5 04 38 E9 07 85 04 90 01 60 C6 05 +60 A0 01 B1 04 AA 88 B1 04 E6 04 F0 05 E6 04 F0 +03 60 E6 04 E6 05 60 A0 03 4C D8 F9 A0 05 4C D8 +F9 A0 08 4C D8 F9 85 0C 86 0D A2 00 B1 0C 60 A0 +01 B1 04 AA 88 B1 04 60 A0 03 B1 04 85 07 88 B1 +04 85 06 88 B1 04 AA 88 B1 04 60 A2 00 18 65 04 +48 8A 65 05 AA 68 60 18 49 FF 69 01 48 8A 49 FF +69 00 AA A5 06 49 FF 69 00 85 06 A5 07 49 FF 69 +00 85 07 68 60 A9 00 AA A0 00 84 06 84 07 48 20 +BA FA A0 03 A5 07 91 04 88 A5 06 91 04 88 8A 91 +04 68 88 91 04 60 85 14 20 E1 FA 85 0E 86 0F 85 +10 86 11 20 73 FC 20 E1 FA 85 06 86 07 60 20 76 +FB A6 07 A4 14 C0 0A D0 39 A5 06 05 0D 05 0C D0 +11 E0 80 D0 0D A0 0B B9 17 FE 91 0E 88 10 F8 4C +06 FC 8A 10 1D A9 2D A0 00 91 0E E6 0E D0 02 E6 +0F A5 0C A6 0D 20 37 FB 85 0C 86 0D 4C D2 FB 20 +76 FB A9 00 48 A0 20 A9 00 06 0C 26 0D 26 06 26 +07 2A C5 14 90 04 E5 14 E6 0C 88 D0 EC A8 B9 07 +FE 48 A5 0C 05 0D 05 06 05 07 D0 D9 A0 00 68 91 +0E F0 03 C8 D0 F8 A5 10 A6 11 60 D0 06 A2 00 8A +60 D0 FA A2 00 A9 01 60 F0 F9 30 F7 A2 00 8A 60 +F0 02 10 EF A2 00 8A 60 F0 E9 90 E7 A2 00 8A 60 +F0 DB A2 00 8A 2A 60 20 60 FC A6 11 F0 13 B1 0C +91 0E C8 B1 0C 91 0E C8 D0 F4 E6 0D E6 0F CA D0 +ED A6 10 F0 08 B1 0C 91 0E C8 CA D0 F8 4C E1 FA +85 10 86 11 20 73 FC C8 B1 04 AA 86 0F 88 B1 04 +85 0E 60 A0 01 B1 04 85 0D 88 B1 04 85 0C 4C E9 +FA A9 01 4C 9E FC A0 00 B1 04 A4 04 F0 07 C6 04 +A0 00 91 04 60 C6 05 C6 04 91 04 60 A9 00 A2 00 +48 A5 04 38 E9 02 85 04 B0 02 C6 05 A0 01 8A 91 +04 68 88 91 04 60 A0 00 91 04 C8 48 8A 91 04 68 +60 85 0E 86 0F 20 73 FC B1 0C D1 0E D0 0C AA F0 +10 C8 D0 F4 E6 0D E6 0F D0 EE B0 03 A2 FF 60 A2 +01 60 85 0E 86 0F A2 00 A0 00 B1 0E F0 08 C8 D0 +F9 E6 0F E8 D0 F4 98 60 85 0C 86 0D 85 0E 86 0F +A0 00 B1 0C F0 14 20 8A FA 29 02 F0 06 B1 0C 69 +20 91 0C C8 D0 EC E6 0D D0 E8 A5 0E A6 0F 60 20 +E1 FA 85 0E 86 0F E8 8E 31 92 AA E8 8E 30 92 20 +73 FC 20 E1 FA 85 10 86 11 A0 00 84 14 B1 10 18 +65 0E 91 10 C8 B1 10 65 0F 91 10 CE 30 92 F0 11 +A4 14 B1 0C C8 D0 02 E6 0D 84 14 20 68 F0 4C 4B +FD CE 31 92 D0 EA 60 85 0C 86 0D A9 00 8D 2A 92 +8D 2B 92 A0 01 B1 04 AA 88 B1 04 20 A0 FC A0 02 +A9 2A 91 04 C8 A9 92 91 04 A5 0C A6 0D 20 14 F7 +AD 2A 92 AE 2B 92 60 A9 32 85 0C A9 92 85 0D A9 +00 A8 A2 00 F0 0A 91 0C C8 D0 FB E6 0D CA D0 F6 +C0 39 F0 05 91 0C C8 D0 F7 60 62 61 64 20 74 6F +6B 65 6E 3A 20 25 78 0A 00 53 75 63 63 65 73 73 +0A 00 45 72 72 6F 72 0A 00 53 74 61 72 74 0A 00 +6F 70 5F 63 6F 6E 64 20 65 72 72 6F 72 0A 00 49 +46 20 43 6F 6E 64 0A 00 47 6F 20 49 44 4C 45 0A +00 25 32 78 00 0A 00 30 31 32 33 34 35 36 37 38 +39 41 42 43 44 45 46 2D 32 31 34 37 34 38 33 36 +34 38 00 00 01 02 0C 09 0A 10 40 50 A0 D0 66 66 +66 66 A6 88 88 66 66 66 66 66 66 66 66 66 09 00 +00 00 00 00 00 00 33 33 33 33 33 00 00 00 50 55 +55 25 22 22 22 22 22 22 22 22 22 02 00 00 40 44 +44 14 11 11 11 11 11 11 11 11 11 01 00 70 00 00 +00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 diff --git a/hw/efinix_fpga/simulation/Makefile b/hw/efinix_fpga/simulation/Makefile index b2d283c..63fa1ed 100644 --- a/hw/efinix_fpga/simulation/Makefile +++ b/hw/efinix_fpga/simulation/Makefile @@ -9,7 +9,7 @@ TEST_PROGRAM_NAME?=loop_test TEST_FOLDER?=$(REPO_TOP)/sw/test_code/$(TEST_PROGRAM_NAME) TEST_PROGRAM?=$(REPO_TOP)/sw/test_code/$(TEST_PROGRAM_NAME)/$(TEST_PROGRAM_NAME).hex -STANDALONE_TB= interrupt_controller_tb mapper_tb rtc_tb +STANDALONE_TB= interrupt_controller_tb mapper_tb rtc_tb uart_irq_tb CODE_TB= interrupt_controller_code_tb mapper_code_tb rtc_code_tb \ devices_setup_code_tb diff --git a/hw/efinix_fpga/simulation/tbs/uart_irq_tb.sv b/hw/efinix_fpga/simulation/tbs/uart_irq_tb.sv new file mode 100644 index 0000000..e6f3ea3 --- /dev/null +++ b/hw/efinix_fpga/simulation/tbs/uart_irq_tb.sv @@ -0,0 +1,15 @@ +`timescale 1ns/1ps + +module uart_irq_tb(); + +sim_top u_sim_top(); + +initial begin + u_sim_top.u_sim_uart.tx_en = 1; + @(posedge u_sim_top.r_clk_cpu); + u_sim_top.u_sim_uart.tx_data = 8'hAA; + repeat (100) @(posedge u_sim_top.r_clk_cpu); + $finish(); +end + +endmodule \ No newline at end of file diff --git a/hw/efinix_fpga/src/super6502.sv b/hw/efinix_fpga/src/super6502.sv index 14c04d1..d33827e 100644 --- a/hw/efinix_fpga/src/super6502.sv +++ b/hw/efinix_fpga/src/super6502.sv @@ -159,6 +159,24 @@ rom #(.DATA_WIDTH(8), .ADDR_WIDTH(12)) u_rom( .data(w_rom_data_out) ); +logic w_irq; +assign cpu_irqb = ~w_irq; +logic [127:0] w_int_in; + +assign w_int_in[127:2] = 0; + +interrupt_controller u_interrupt_controller( + .clk(clk_cpu), + .reset(~cpu_resb), + .i_data(cpu_data_in), + .o_data(w_irq_data_out), + .addr(w_mapped_addr[0]), + .cs(w_irq_cs), + .rwb(cpu_rwb), + .int_in(w_int_in), + .int_out(w_irq) +); + leds u_leds( .clk(clk_cpu), .i_data(cpu_data_in), @@ -213,7 +231,7 @@ divider_wrapper u_divider( .addr(w_mapped_addr[2:0]) ); -logic w_uart_irqb; +logic w_uart_irq; uart_wrapper u_uart( .clk(clk_cpu), @@ -226,9 +244,11 @@ uart_wrapper u_uart( .addr(w_mapped_addr[0]), .rx_i(uart_rx), .tx_o(uart_tx), - .irqb(w_uart_irqb) + .irq(w_uart_irq) ); +assign w_int_in[1] = w_uart_irq; + spi_controller spi_controller( .i_clk(clk_cpu), .i_rst(~cpu_resb), @@ -275,24 +295,6 @@ sdram_adapter u_sdram_adapter( .o_sdr_DQM(o_sdr_DQM) ); -logic w_irq; -assign cpu_irqb = ~w_irq; -logic [255:0] w_int_in; - -assign w_int_in[255:1] = 0; - -interrupt_controller u_interrupt_controller( - .clk(clk_cpu), - .reset(~cpu_resb), - .i_data(cpu_data_in), - .o_data(w_irq_data_out), - .addr(w_mapped_addr[0]), - .cs(w_irq_cs), - .rwb(cpu_rwb), - .int_in(w_int_in), - .int_out(w_irq) -); - rtc u_rtc( .clk(clk_cpu), .reset(~cpu_resb), diff --git a/hw/efinix_fpga/src/uart_wrapper.sv b/hw/efinix_fpga/src/uart_wrapper.sv index 3262233..3e033bd 100644 --- a/hw/efinix_fpga/src/uart_wrapper.sv +++ b/hw/efinix_fpga/src/uart_wrapper.sv @@ -11,7 +11,7 @@ module uart_wrapper( input rx_i, output tx_o, - output logic irqb + output logic irq ); logic [7:0] status, control; @@ -21,6 +21,8 @@ logic tx_busy, rx_busy; logic rx_data_valid, rx_error, rx_parity_error; logic baud_x16_ce; +assign irq = rx_data_valid; + logic tx_en; logic [7:0] tx_data, rx_data; @@ -47,7 +49,6 @@ enum bit [1:0] {READY, WAIT, TRANSMIT} state, next_state; always_ff @(posedge clk_50) begin if (reset) begin state <= READY; - irqb <= '1; end else begin state <= next_state; end